Finish up the episode 9

.clang-format

@@ -15,20 +15,4 @@ AlignConsecutiveBitFields: Consecutive
 AlignEscapedNewlines: Left
 AlwaysBreakTemplateDeclarations: Yes
 IncludeBlocks: Regroup
-IncludeCategories:
-  - Regex:           '^"'
-    Priority:        1
-    SortPriority:    1
-    CaseSensitive:   true
-  - Regex:           '^<(llvm|llvm-c|clang|clang-c|mlir)/'
-    Priority:        3
-    SortPriority:    3
-    CaseSensitive:   true
-  - Regex:           '<[[:alnum:].]+>'
-    Priority:        5
-  - Regex:           '.*'
-    Priority:        2
-    SortPriority:    0
-SortIncludes: true
-SortUsingDeclarations: true
 ...

.clang-tidy

@@ -1,237 +0,0 @@
----
-Checks:          '-*,clang-diagnostic-*,clang-analyzer-*,cert-*,-cert-err58-cpp,concurrency-*,llvm-*,performance-*,readability-*,-readability-identifier-length*'
-WarningsAsErrors: '-*,clang-diagnostic-*,clang-analyzer-*,cert-*,-cert-err58-cpp,concurrency-*,llvm-*,performance-*,readability-*,-readability-identifier-length*'
-HeaderFilterRegex: ''
-AnalyzeTemporaryDtors: false
-FormatStyle:     file
-User:            lxsameer
-CheckOptions:
-  - key:             performance-unnecessary-copy-initialization.ExcludedContainerTypes
-    value:           ''
-  - key:             readability-suspicious-call-argument.PrefixSimilarAbove
-    value:           '30'
-  - key:             modernize-replace-auto-ptr.IncludeStyle
-    value:           llvm
-  - key:             performance-move-const-arg.CheckTriviallyCopyableMove
-    value:           'true'
-  - key:             readability-static-accessed-through-instance.NameSpecifierNestingThreshold
-    value:           '3'
-  - key:             readability-function-size.VariableThreshold
-    value:           '4294967295'
-  - key:             readability-simplify-subscript-expr.Types
-    value:           '::std::basic_string;::std::basic_string_view;::std::vector;::std::array'
-  - key:             cert-dcl16-c.NewSuffixes
-    value:           'L;LL;LU;LLU'
-  - key:             cert-dcl51-cpp.AggressiveDependentMemberLookup
-    value:           'false'
-  - key:             readability-identifier-naming.GetConfigPerFile
-    value:           'true'
-  - key:             cert-err61-cpp.MaxSize
-    value:           '0'
-  - key:             cert-sig30-c.AsyncSafeFunctionSet
-    value:           POSIX
-  - key:             readability-inconsistent-declaration-parameter-name.Strict
-    value:           'false'
-  - key:             readability-suspicious-call-argument.DiceDissimilarBelow
-    value:           '60'
-  - key:             cert-dcl37-c.AllowedIdentifiers
-    value:           ''
-  - key:             readability-function-size.NestingThreshold
-    value:           '4294967295'
-  - key:             llvm-namespace-comment.ShortNamespaceLines
-    value:           '1'
-  - key:             llvm-namespace-comment.SpacesBeforeComments
-    value:           '1'
-  - key:             readability-function-size.ParameterThreshold
-    value:           '4294967295'
-  - key:             readability-suspicious-call-argument.Equality
-    value:           'true'
-  - key:             readability-function-cognitive-complexity.IgnoreMacros
-    value:           'false'
-  - key:             cert-str34-c.DiagnoseSignedUnsignedCharComparisons
-    value:           'false'
-  - key:             readability-identifier-naming.AggressiveDependentMemberLookup
-    value:           'false'
-  - key:             readability-redundant-smartptr-get.IgnoreMacros
-    value:           'true'
-  - key:             cert-err61-cpp.WarnOnLargeObjects
-    value:           'false'
-  - key:             cert-err09-cpp.WarnOnLargeObjects
-    value:           'false'
-  - key:             google-readability-namespace-comments.ShortNamespaceLines
-    value:           '10'
-  - key:             readability-suspicious-call-argument.JaroWinklerDissimilarBelow
-    value:           '75'
-  - key:             readability-suspicious-call-argument.SuffixSimilarAbove
-    value:           '30'
-  - key:             readability-suspicious-call-argument.Suffix
-    value:           'true'
-  - key:             cert-oop57-cpp.MemSetNames
-    value:           ''
-  - key:             performance-type-promotion-in-math-fn.IncludeStyle
-    value:           llvm
-  - key:             readability-function-cognitive-complexity.DescribeBasicIncrements
-    value:           'true'
-  - key:             readability-suspicious-call-argument.MinimumIdentifierNameLength
-    value:           '3'
-  - key:             modernize-loop-convert.NamingStyle
-    value:           CamelCase
-  - key:             readability-inconsistent-declaration-parameter-name.IgnoreMacros
-    value:           'true'
-  - key:             performance-no-automatic-move.AllowedTypes
-    value:           ''
-  - key:             readability-suspicious-call-argument.SubstringDissimilarBelow
-    value:           '40'
-  - key:             performance-for-range-copy.WarnOnAllAutoCopies
-    value:           'false'
-  - key:             readability-identifier-naming.IgnoreFailedSplit
-    value:           'false'
-  - key:             modernize-pass-by-value.IncludeStyle
-    value:           llvm
-  - key:             readability-qualified-auto.AddConstToQualified
-    value:           'true'
-  - key:             readability-simplify-boolean-expr.ChainedConditionalReturn
-    value:           'false'
-  - key:             readability-else-after-return.WarnOnConditionVariables
-    value:           'true'
-  - key:             readability-uppercase-literal-suffix.IgnoreMacros
-    value:           'true'
-  - key:             modernize-use-nullptr.NullMacros
-    value:           'NULL'
-  - key:             cert-dcl59-cpp.HeaderFileExtensions
-    value:           ';h;hh;hpp;hxx'
-  - key:             readability-suspicious-call-argument.SuffixDissimilarBelow
-    value:           '25'
-  - key:             performance-unnecessary-copy-initialization.AllowedTypes
-    value:           ''
-  - key:             llvm-header-guard.HeaderFileExtensions
-    value:           ';h;hh;hpp;hxx'
-  - key:             readability-suspicious-call-argument.LevenshteinSimilarAbove
-    value:           '66'
-  - key:             readability-suspicious-call-argument.Levenshtein
-    value:           'true'
-  - key:             readability-suspicious-call-argument.JaroWinkler
-    value:           'true'
-  - key:             readability-suspicious-call-argument.Prefix
-    value:           'true'
-  - key:             readability-simplify-boolean-expr.ChainedConditionalAssignment
-    value:           'false'
-  - key:             cert-oop54-cpp.WarnOnlyIfThisHasSuspiciousField
-    value:           'false'
-  - key:             cert-err09-cpp.CheckThrowTemporaries
-    value:           'true'
-  - key:             cert-dcl51-cpp.Invert
-    value:           'false'
-  - key:             readability-function-size.LineThreshold
-    value:           '4294967295'
-  - key:             modernize-loop-convert.MaxCopySize
-    value:           '16'
-  - key:             readability-suspicious-call-argument.PrefixDissimilarBelow
-    value:           '25'
-  - key:             performance-inefficient-vector-operation.EnableProto
-    value:           'false'
-  - key:             cppcoreguidelines-explicit-virtual-functions.IgnoreDestructors
-    value:           'true'
-  - key:             performance-for-range-copy.AllowedTypes
-    value:           ''
-  - key:             readability-redundant-string-init.StringNames
-    value:           '::std::basic_string_view;::std::basic_string'
-  - key:             readability-magic-numbers.IgnoreBitFieldsWidths
-    value:           'true'
-  - key:             readability-braces-around-statements.ShortStatementLines
-    value:           '0'
-  - key:             readability-suspicious-call-argument.LevenshteinDissimilarBelow
-    value:           '50'
-  - key:             readability-magic-numbers.IgnoredFloatingPointValues
-    value:           '1.0;100.0;'
-  - key:             readability-redundant-declaration.IgnoreMacros
-    value:           'true'
-  - key:             performance-inefficient-string-concatenation.StrictMode
-    value:           'false'
-  - key:             concurrency-mt-unsafe.FunctionSet
-    value:           any
-  - key:             readability-implicit-bool-conversion.AllowPointerConditions
-    value:           'false'
-  - key:             google-readability-braces-around-statements.ShortStatementLines
-    value:           '1'
-  - key:             readability-else-after-return.WarnOnUnfixable
-    value:           'true'
-  - key:             cert-dcl51-cpp.AllowedIdentifiers
-    value:           ''
-  - key:             cert-oop57-cpp.MemCpyNames
-    value:           ''
-  - key:             readability-suspicious-call-argument.SubstringSimilarAbove
-    value:           '50'
-  - key:             readability-suspicious-call-argument.Substring
-    value:           'true'
-  - key:             readability-magic-numbers.IgnoreAllFloatingPointValues
-    value:           'false'
-  - key:             readability-suspicious-call-argument.Abbreviations
-    value:           'arr=array;cnt=count;idx=index;src=source;stmt=statement;cpy=copy;dest=destination;dist=distancedst=distance;ptr=pointer;wdth=width;str=string;ln=line;srv=server;attr=attribute;ref=reference;buf=buffer;col=column;nr=number;vec=vector;len=length;elem=element;val=value;i=index;var=variable;hght=height;cl=client;num=number;pos=position;lst=list;addr=address'
-  - key:             readability-uppercase-literal-suffix.NewSuffixes
-    value:           ''
-  - key:             modernize-loop-convert.MinConfidence
-    value:           reasonable
-  - key:             performance-unnecessary-value-param.AllowedTypes
-    value:           ''
-  - key:             readability-uniqueptr-delete-release.PreferResetCall
-    value:           'false'
-  - key:             cert-oop57-cpp.MemCmpNames
-    value:           ''
-  - key:             google-readability-namespace-comments.SpacesBeforeComments
-    value:           '2'
-  - key:             readability-function-cognitive-complexity.Threshold
-    value:           '25'
-  - key:             cppcoreguidelines-non-private-member-variables-in-classes.IgnoreClassesWithAllMemberVariablesBeingPublic
-    value:           'true'
-  - key:             cert-err61-cpp.CheckThrowTemporaries
-    value:           'true'
-  - key:             performance-faster-string-find.StringLikeClasses
-    value:           '::std::basic_string;::std::basic_string_view'
-  - key:             readability-function-size.BranchThreshold
-    value:           '4294967295'
-  - key:             readability-implicit-bool-conversion.AllowIntegerConditions
-    value:           'false'
-  - key:             readability-function-size.StatementThreshold
-    value:           '800'
-  - key:             readability-identifier-naming.IgnoreMainLikeFunctions
-    value:           'false'
-  - key:             llvm-qualified-auto.AddConstToQualified
-    value:           'false'
-  - key:             cert-str34-c.CharTypdefsToIgnore
-    value:           ''
-  - key:             google-readability-function-size.StatementThreshold
-    value:           '800'
-  - key:             llvm-else-after-return.WarnOnConditionVariables
-    value:           'false'
-  - key:             cert-msc51-cpp.DisallowedSeedTypes
-    value:           'time_t,std::time_t'
-  - key:             readability-suspicious-call-argument.DiceSimilarAbove
-    value:           '70'
-  - key:             readability-suspicious-call-argument.Dice
-    value:           'true'
-  - key:             readability-suspicious-call-argument.Abbreviation
-    value:           'true'
-  - key:             cert-dcl37-c.Invert
-    value:           'false'
-  - key:             cert-dcl37-c.AggressiveDependentMemberLookup
-    value:           'false'
-  - key:             performance-inefficient-vector-operation.VectorLikeClasses
-    value:           '::std::vector'
-  - key:             readability-magic-numbers.IgnoredIntegerValues
-    value:           '1;2;3;4;'
-  - key:             readability-magic-numbers.IgnorePowersOf2IntegerValues
-    value:           'false'
-  - key:             readability-redundant-member-init.IgnoreBaseInCopyConstructors
-    value:           'false'
-  - key:             readability-suspicious-call-argument.JaroWinklerSimilarAbove
-    value:           '85'
-  - key:             cert-dcl16-c.IgnoreMacros
-    value:           'true'
-  - key:             performance-unnecessary-value-param.IncludeStyle
-    value:           llvm
-  - key:             llvm-else-after-return.WarnOnUnfixable
-    value:           'false'
-  - key:             cert-msc32-c.DisallowedSeedTypes
-    value:           'time_t,std::time_t'
-...

.dockerignore

@@ -1,2 +0,0 @@
-
-./resources/

.gitignore

@@ -23,14 +23,3 @@ bin/serenec_CXX_cotire.cmake
 /config.h
 
 docs/Doxyfile.docs
-.ccache/
-docs/spec.tex
-docs/spec.pdf
-.tmp
-.env
-.tex
-.pdf
-docs/overall_picture.png
-.direnv/
-.pre-commit-config.yaml
-.envrc

.ignore_sanitize

@@ -1 +1 @@
-#leak:mlir::Region::emplaceBlock
+#leak:mlir::Region::emplaceBlock

.woodpecker/build.yml

@@ -1,55 +0,0 @@
-pipeline:
-  Linters:
-    group: build
-    image: lxsameer/serene_ci:13
-    commands:
-      - export SERENE_CI=true
-      - ./builder setup
-      - export FILES="$(git diff --name-only HEAD HEAD~1)"
-      - pre-commit run --files "$FILES"
-
-  Build:
-    group: build
-    image: lxsameer/serene_ci:13
-    commands:
-      # Uncomment this when running with a new toolchain for the
-      # first time to save up space
-      # - rm -rf /root/.serene/*
-      - ./builder build -DSERENE_DISABLE_CCACHE=ON
-
-    volumes:
-      - serene_config:/root/.serene/
-
-  ChatNotify:
-    image: lxsameer/notify:3
-    settings:
-      matrix_room_id:
-        from_secret: matrix_room
-      matrix_access_token:
-        from_secret: matrix_token
-
-      matrix_user:
-        from_secret: matrix_user
-
-      matrix_msg: "[${CI_REPO}][Build] Job #${CI_BUILD_NUMBER} <b>failed</b> for branch <b>${CI_COMMIT_BRANCH}</b>. ${CI_BUILD_LINK}"
-    secrets: [ matrix_room, matrix_token, matrix_user ]
-    when:
-      - status: [failure]
-
-  MailNotify:
-    image: lxsameer/woodpecker_mailer:4
-    settings:
-      from: ci@serene-lang.org
-      user:
-        from_secret: mailer_user
-      password:
-        from_secret: mailer_password
-      to: ${CI_COMMIT_AUTHOR_EMAIL}
-      subject: "[${CI_REPO}][Build] JOB #${CI_BUILD_NUMBER} failed for branch '${CI_COMMIT_BRANCH}'."
-      text: |
-        BUILD: ${CI_BUILD_LINK}
-        COMMIT: ${CI_COMMIT_LINK}
-    when:
-      - status: [failure]
-
-    secrets: [ mail_pass, mail_user ]

.woodpecker/docs.yml

@@ -1,64 +0,0 @@
-pipeline:
-  build:
-    image: woodpeckerci/plugin-docker-buildx
-    secrets: [docker_username, docker_password]
-    settings:
-      repo: serenelang/serene-docs
-      registry: docker.io
-      dockerfile: docs/Dockerfile
-      tags: latest
-      username:
-        from_secret: docker_username
-      password:
-        from_secret: docker_password
-    when:
-      - path:
-          include: [ 'mkdocs.yml', 'docs/**' ]
-      - branch: master
-
-  deploy:
-    image: docker:24.0.2-cli-alpine3.18
-    commands:
-      - docker stack deploy -c docs/service.yml serene-docs --prune
-    volumes:
-      - /var/run/docker.sock:/var/run/docker.sock
-
-    when:
-      - path:
-          include: [ 'mkdocs.yml', 'docs/**' ]
-          # ignore_message: "[ALL]"
-      - branch: master
-
-  ChatNotify:
-    image: lxsameer/notify:3
-    settings:
-      matrix_room_id:
-        from_secret: matrix_room
-      matrix_access_token:
-        from_secret: matrix_token
-
-      matrix_user:
-        from_secret: matrix_user
-
-      matrix_msg: "[${CI_REPO}][Docs] Job #${CI_BUILD_NUMBER} <b>failed</b> for branch <b>${CI_COMMIT_BRANCH}</b>. ${CI_BUILD_LINK}"
-    secrets: [ matrix_room, matrix_token, matrix_user ]
-    when:
-      - status: [failure]
-
-  MailNotify:
-    image: lxsameer/woodpecker_mailer:4
-    settings:
-      from: ci@serene-lang.org
-      user:
-        from_secret: mailer_user
-      password:
-        from_secret: mailer_password
-      to: ${CI_COMMIT_AUTHOR_EMAIL}
-      subject: "[${CI_REPO}][Docs] JOB #${CI_BUILD_NUMBER} failed for branch '${CI_COMMIT_BRANCH}'."
-      text: |
-        BUILD: ${CI_BUILD_LINK}
-        COMMIT: ${CI_COMMIT_LINK}
-    when:
-      - status: [failure]
-
-    secrets: [ mail_pass, mail_user ]

CMakeLists.txt

@@ -1,61 +1,20 @@
-# Serene Programming Language
-#
-# Copyright (c) 2019-2024 Sameer Rahmani <lxsameer@gnu.org>
-#
-# This program is free software; you can redistribute it and/or modify it under
-# the terms of the GNU General Public License as published by the Free Software
-# Foundation, version 2.
-#
-# This program is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
-# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
-# details.
-#
-# You should have received a copy of the GNU General Public License along with
-# this program.  If not, see <http://www.gnu.org/licenses/>.
-cmake_minimum_required(VERSION 3.19)
+cmake_minimum_required(VERSION 3.16)
 
-project(
-  Serene
-  VERSION 1.0.0
-  DESCRIPTION "A modern typed Lisp."
+# Project name and a few useful settings. Other commands can pick up the results
+project(Serene
+  VERSION 0.1.0
+  DESCRIPTION "Serene language is a modern Lisp."
   LANGUAGES CXX C)
 
-# Clangd command file
 set(CMAKE_EXPORT_COMPILE_COMMANDS 1)
+option(CPP_20_SUPPORT "C++20 Support" OFF)
 
-# =============================================================================
-# Policies
-# =============================================================================
-cmake_policy(SET CMP0116 OLD)
-
-# =============================================================================
-# User Options
-# =============================================================================
-option(CPP_20_SUPPORT "C++20 Support" ON)
-option(SERENE_BUILD_TESTING "Enable tests" ON)
-option(SERENE_ENABLE_BUILDID "Enable build id." OFF)
-option(SERENE_ENABLE_THINLTO "Enable ThisLTO." ON)
-option(SERENE_ENABLE_DOCS "Enable document generation" OFF)
-option(SERENE_ENABLE_TIDY "Enable clang tidy check" OFF)
-option(SERENE_DISABLE_CCACHE "Disable automatic ccache integration" OFF)
-option(SERENE_ENABLE_DEVTOOLS "Enable the devtools build" OFF)
-option(SERENE_DISABLE_MUSL "Disable musl libc (Musl is recommended)." OFF)
-option(SERENE_DISABLE_LIBCXX "Disable libc++ (libc++ is recommended)." OFF)
-option(SERENE_DISABLE_COMPILER_RT
-       "Disable compiler-rt (compiler-rt is recommended)." OFF)
-
-# LLVM Info about the target llvm build
-option(LLVM_USE_PERF "If the target LLVM build is built with LLVM_USE_PERF" OFF)
-
-# Only do these if this is the main project, and not if it is included through
-# add_subdirectory
+# Only do these if this is the main project, and not if it is included through add_subdirectory
 if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)
-  # Settings =======================
 
-  set(C_STANDARD 17)
+  ## Settings -----------------------------------------
   # specify the C++ standard
-  if(CPP_20_SUPPORT)
+  if (CPP_20_SUPPORT)
     set(CMAKE_CXX_STANDARD 20)
   else()
     set(CMAKE_CXX_STANDARD 17)
@@ -63,145 +22,105 @@ if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)
 
   set(CMAKE_CXX_STANDARD_REQUIRED True)
 
-  if(SERENE_ENABLE_TIDY)
-    find_program(CLANG_TIDY_PATH NAMES clang-tidy REQUIRED)
-  endif()
-
-  # We use iwyu intensively. For the version details check out the submodule at
-  # `deps/include-what-you-use`
-  find_program(iwyu NAMES include-what-you-use iwyu REQUIRED)
-  set(iwyu_path ${iwyu})
+  set(INCLUDE_DIR ${CMAKE_SOURCE_DIR}/include)
+  set(SRC_DIR ${CMAKE_SOURCE_DIR}/src)
+  set(BIN_DIR ${CMAKE_SOURCE_DIR}/bin)
 
+  set(CMAKE_CXX_FLAGS  "${CMAKE_CXX_FLAGS} -Wall -Wextra -Werror")
+  #set(CMAKE_CXX_LINK_EXECUTABLE "ld.lld")
+  #set(CMAKE_C_LINK_EXECUTABLE "ld.lld")
+  #set(LLVM_USE_LINKER "ld.lld")
+  #set(LLVM_ENABLE_LLD ON)
+  set(CMAKE_CXX_CLANG_TIDY clang-tidy)
   # Let's ensure -std=c++xx instead of -std=g++xx
   set(CMAKE_CXX_EXTENSIONS OFF)
+  set(CMAKE_CXX_FLAGS_DEBUG
+    "${CMAKE_CXX_FLAGS_DEBUG} -g -fno-omit-frame-pointer $ENV{ASAN_FLAG} -fno-builtin-strlen -ggdb -fno-inline -fdebug-prefix-map=$PWD=.")
+  set(CMAKE_LINKER_FLAGS_DEBUG
+    "${CMAKE_LINKER_FLAGS_DEBUG} -fno-omit-frame-pointer $ENV{ASAN_FLAG}")
 
-  set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")
+  set(CMAKE_CXX_FLAGS_RELEASE
+    "${CMAKE_CXX_FLAGS_RELEASE} -O3")
+
+  set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/scripts/cmake")
   set(MemoryCheckCommand "valgrind")
 
+  add_compile_options(-fno-rtti)
+
+  configure_file(${INCLUDE_DIR}/config.h.in config.h)
+
   # Let's nicely support folders in IDEs
   set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 
-  # Setup the basic compiler flags
-  add_compile_options(
-    -Wall
-    -Wextra
-    -Werror
-    -Wpedantic
-    -Wabstract-final-class
-    -Walloca
-    -Warray-bounds-pointer-arithmetic
-    -Warray-parameter
-    -Wassign-enum
-    -Wsign-conversion
-    -Wnon-virtual-dtor
-    -Wold-style-cast
-    -Wcast-align
-    -Wunused
-    -Woverloaded-virtual
-    -Wdouble-promotion
-    -Wformat=2)
+  ## Options ------------------------------------------
+  option(ENABLE_LOG "Enable logging" OFF)
+  option(ENABLE_EXPR_LOG "Enable AExpr logging" OFF)
+  option(ENABLE_READER_LOG "Enable reader logging" OFF)
+  option(BUILD_TESTING "Enable tests" OFF)
 
-  # CCache support ==============================
-  if(SERENE_DISABLE_CCACHE)
-    message(STATUS "CCache support is disabled")
-  else()
-    find_program(CCACHE_PROGRAM ccache)
 
-    if(CCACHE_PROGRAM)
-      message(STATUS "Found CCache")
-      set(SERENE_CCACHE_MAXSIZE
-          ""
-          CACHE STRING "Size of ccache")
-      set(SERENE_CCACHE_DIR
-          ""
-          CACHE STRING "Directory to keep ccached data")
-      set(SERENE_CCACHE_PARAMS
-          "CCACHE_CPP2=yes CCACHE_HASHDIR=yes"
-          CACHE STRING "Parameters to pass through to ccache")
+  include(cotire)
+  include(FetchContent)
 
-      set(CCACHE_PROGRAM "${SERENE_CCACHE_PARAMS} ${CCACHE_PROGRAM}")
-
-      if(SERENE_CCACHE_MAXSIZE)
-        set(CCACHE_PROGRAM
-            "CCACHE_MAXSIZE=${SERENE_CCACHE_MAXSIZE} ${CCACHE_PROGRAM}")
-      endif()
-      if(SERENE_CCACHE_DIR)
-        set(CCACHE_PROGRAM "CCACHE_DIR=${SERENE_CCACHE_DIR} ${CCACHE_PROGRAM}")
-      endif()
-      message(STATUS "Using CCACHE: ${CCACHE_PROGRAM}")
-      set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ${CCACHE_PROGRAM})
-    else()
-      message(
-        FATAL_ERROR
-          "Unable to find the program ccache. Set SERENE_DISABLE_CCACHE to ON")
-    endif()
-  endif()
-
-  if(SERENE_BUILD_TESTING)
-    enable_testing()
-    find_package(GTest REQUIRED)
-    # For Windows: Prevent overriding the parent project's compiler/linker
-    # settings
-    set(gtest_force_shared_crt
-        ON
-        CACHE BOOL "" FORCE)
-  endif()
-
-  add_link_options(-Wl,-Map=output.map)
-  # LLVM setup
-  # ================================================================== Why not
-  # specify the version? Since we use the development version of the LLVM all
-  # the time it doesn't make sense to use a version here
   find_package(LLVM REQUIRED CONFIG)
   find_package(MLIR REQUIRED CONFIG)
-  find_package(LLD REQUIRED CONFIG)
-  find_program(LLD_PROGRAM REQUIRED NAMES lld)
 
-  find_program(MLIRTBLGEN_PROGRAM REQUIRED NAMES mlir-tblgen)
-  find_package(Clang REQUIRED CONFIG)
-
-  message(STATUS "Found LLVM ${LLVM_PACKAGE_VERSION}")
+  message(STATUS "Found LLVM ${LLVM_PAsCKAGE_VERSION}")
   message(STATUS "Using LLVMConfig.cmake in: ${LLVM_DIR}")
   message(STATUS "Using MLIRConfig.cmake in: ${MLIR_DIR}")
-  message(STATUS "Using LLDConfig.cmake in: ${LLD_DIR}")
-  message(STATUS "Using CLANGConfig.cmake in: ${Clang_DIR}")
 
   set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/bin)
   set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/lib)
   set(MLIR_BINARY_DIR ${CMAKE_BINARY_DIR})
 
-  # Make cmake modules available to load
-  list(APPEND CMAKE_MODULE_PATH "${MLIR_DIR}")
-  list(APPEND CMAKE_MODULE_PATH "${LLVM_DIR}")
-  list(APPEND CMAKE_MODULE_PATH "${LLD_DIR}")
-  list(APPEND CMAKE_MODULE_PATH "${Clang_DIR}")
+  list(APPEND CMAKE_MODULE_PATH "${MLIR_CMAKE_DIR}")
+  list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_DIR}")
 
   include(TableGen)
   include(AddLLVM)
   include(AddMLIR)
   include(HandleLLVMOptions)
-  include(AddClang)
 
-  # This goes against the CMake's best practices to add these kind of settings
-  # to the targets only. But this is what LLVM recommends and we will stick to
-  # their recommendation.
-  include_directories(SYSTEM ${LLVM_INCLUDE_DIRS})
+  include_directories(${LLVM_INCLUDE_DIRS})
+  include_directories(${MLIR_INCLUDE_DIRS})
+  include_directories(${PROJECT_SOURCE_DIR}/include)
+  include_directories(${PROJECT_BINARY_DIR}/include)
+  link_directories(${LLVM_BUILD_LIBRARY_DIR})
   add_definitions(${LLVM_DEFINITIONS})
 
-  # /LLVM setup
-  # =================================================================
-  # add_subdirectory(serene-tblgen)
-  add_subdirectory(serene)
-  # include(tablegen-serene) Create the tools we use to compile Serene
+  include_directories(${LLVM_INCLUDE_DIRS})
+  add_definitions(${LLVM_DEFINITIONS})
 
-  # The compiled library code is here add_subdirectory(libserene) The static
-  # library containing builtin special forms and functions
-  # add_subdirectory(core) Binary tools of the compiler
-  # add_subdirectory(serenec) add_subdirectory(serene-repl)
+  llvm_map_components_to_libnames(llvm_libs support core irreader)
 
-  # add_subdirectory(devtools)
+  # The compiled library code is here
+  add_subdirectory(src/serene)
 
-  if(SERENE_ENABLE_DOCS)
-    add_subdirectory(docs)
+  # The executable code is here
+  add_subdirectory(bin)
+
+  add_subdirectory(include)
+  include_directories(${CMAKE_CURRENT_BINARY_DIR}/include/)
+  # Testing only available if this is the main app
+  # Emergency override SERENE_CMAKE_BUILD_TESTING provided as well
+  if(BUILD_TESTING)
+    message("Build the test binary")
+    add_subdirectory(src/tests)
   endif()
+
+  if (CMAKE_BUILD_TYPE STREQUAL "Release")
+    # Docs only available if this is the main app
+
+    find_package(Doxygen
+      REQUIRED dot
+      OPTIONAL_COMPONENTS dia)
+
+    if(Doxygen_FOUND)
+      add_subdirectory(docs)
+    else()
+      message(STATUS "Doxygen not found, not building docs")
+    endif()
+  endif()
+
+
 endif()

LICENSE

@@ -1,339 +1,19 @@
-                    GNU GENERAL PUBLIC LICENSE
-                       Version 2, June 1991
+ Copyright (c) 2020 Sameer Rahmani <lxsameer@gnu.org>
 
- Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- Everyone is permitted to copy and distribute verbatim copies
- of this license document, but changing it is not allowed.
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
 
-                            Preamble
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
 
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-
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-   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
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+SOFTWARE.

README.md

@@ -1,33 +0,0 @@
-# Serene lang
-[![Please don't upload to GitHub](https://nogithub.codeberg.page/badge.svg)](https://nogithub.codeberg.page)
-[![status-badge](https://ci.devheroes.codes/api/badges/Serene/serene/status.svg)](https://ci.devheroes.codes/Serene/serene)
-
-Serene is a modern typed lisp. It's not done yet, and it's heavily under development. Don't
-expect anything stable for now.
-
-## More Info
-- Website: https://serene-lang.org
-- Documentation: https://serene-lang.org/getting_started/
-- CI: https://ci.devheroes.codes/Serene/serene
-
-# Get Help
-If you need help, or you just want to hang out, you can find us at:
-
-- *IRC*: *#serene-lang* on the libera chat server
-- *Matrix*: https://app.element.io/#/room/#serene:matrix.org
-- *MailingList*: https://www.freelists.org/list/serene
-
-# License
-Copyright (c) 2019-2024 Sameer Rahmani <lxsameer@gnu.org>
-
-*Serene* is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, version 2.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program.  If not, see <http://www.gnu.org/licenses/>.

README.org

@@ -0,0 +1,75 @@
+* Serene lang
+
+** Setup development environment
+Setup the githook and install dependencies using the following commands:
+
+ #+BEGIN_SRC bash
+ ./builder setup
+ #+END_SRC
+
+*** Dependencies
+    You would need the following dependencies to start get started with *Serene* development
+
+    - LLVM (LLVM Instructions coming up.)
+    - cmake
+    - ninja
+    - doxygen (If you want to build the docs as well)
+    - Valgrind
+    - CCache (If you want faster builds specially with the LLVM)
+
+** LLVM Installation
+  MLIR is a part of the [[https://llvm.org][LLVM]] project and in order to build it we need to build the LLVM itself as well.
+  Here is a quick guide to build the latest version of the LLVM and MLIR.
+
+  #+BEGIN_SRC bash
+    ## YES we're using the development version of MLIR
+    git clone https://github.com/llvm/llvm-project.git
+
+    mkdir llvm-project/build
+    cd llvm-project/build
+
+    cmake -G Ninja ../llvm \
+          -DCMAKE_INSTALL_PREFIX=/your/target/path \
+          -DLLVM_PARALLEL_COMPILE_JOBS=7 \
+          -DLLVM_PARALLEL_LINK_JOBS=1 \
+          -DLLVM_BUILD_EXAMPLES=ON \
+          -DLLVM_TARGETS_TO_BUILD="X86" \
+          -DCMAKE_BUILD_TYPE=Release \
+          -DLLVM_ENABLE_ASSERTIONS=ON \
+          -DLLVM_CCACHE_BUILD=ON \
+          -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
+          -DLLVM_ENABLE_PROJECTS='clang;lldb;lld;mlir;clang-tools-extra;compiler-rt' \
+          -DCMAKE_C_COMPILER=clang \       # If you have clang installed already
+          -DCMAKE_CXX_COMPILER=clang++ \   # If you have clang installed already
+          -DLLVM_ENABLE_LLD=ON
+
+    cmake --build .
+
+    cmake --build . --target check-mlir
+
+    cmake -DCMAKE_INSTALL_PREFIX=/your/target/location -P cmake_install.cmake
+  #+END_SRC
+
+  You need to have =clang= and =lld= installed to compile the LLVM with the above command. Also if you
+  are not using =ccache= just remove the option related to it from the above command.
+
+*** Emacs
+    If you're using Emacs as your development environment just install =clangd= and =lsp=.
+
+
+* How to build
+In order to build for development (Debug mode) just use =./builder build= to setup the build and build
+the project once and then you can just use =./builder compile= to build the changed files only.
+
+Check out the =builder= script for more subcommands and details.
+
+* Cheatsheets
+  - [[https://github.com/muqsitnawaz/modern-cpp-cheatsheet][Modern C++ Cheatsheet]]
+* Get Help
+  If you need help or you just want to hangout, you can find us at:
+
+  - *IRC*: *#serene-lang* on the freenode server
+
+  - *Matrix Network*: https://matrix.to/#/#serene:matrix.org?via=matrix.org&via=gitter.im
+
+  - *MailingList*: https://www.freelists.org/list/serene

bin/CMakeLists.txt

@@ -0,0 +1,39 @@
+add_executable(serenec serene.cpp)
+
+# Make sure to generate files related to the dialects first
+#add_dependencies(serenec SereneDialectGen)
+
+if (CPP_20_SUPPORT)
+  target_compile_features(serenec PRIVATE cxx_std_20)
+else()
+  target_compile_features(serenec PRIVATE cxx_std_17)
+endif()
+
+
+
+
+target_link_libraries(serenec PRIVATE
+  serene
+  ${llvm_libs}
+  MLIRAnalysis
+  MLIRIR
+  MLIRParser
+  MLIRSideEffectInterfaces
+  MLIRTransforms
+  LLVMX86AsmParser
+  LLVMOption
+  #clangTooling
+  clangDriver
+  clangBasic
+  clangdSupport
+  clangFrontend
+  clangEdit
+  clangLex
+  )
+
+
+target_include_directories(serene SYSTEM PRIVATE $ENV{INCLUDE})
+target_include_directories(serene PRIVATE ${INCLUDE_DIR})
+
+install(TARGETS serenec DESTINATION bin)
+install(FILES "${PROJECT_BINARY_DIR}/config.h" DESTINATION include)

bin/serene.cpp

@@ -0,0 +1,360 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "serene/serene.h"
+
+#include "serene/context.h"
+#include "serene/jit.h"
+#include "serene/namespace.h"
+#include "serene/reader/reader.h"
+#include "serene/reader/semantics.h"
+#include "serene/slir/generatable.h"
+#include "serene/slir/slir.h"
+
+#include <clang/Driver/Compilation.h>
+#include <clang/Driver/Driver.h>
+#include <clang/Frontend/TextDiagnosticPrinter.h>
+#include <clang/Tooling/Tooling.h>
+#include <llvm/ADT/ArrayRef.h>
+#include <llvm/ADT/SmallString.h>
+#include <llvm/ADT/StringRef.h>
+#include <llvm/IR/LegacyPassManager.h>
+#include <llvm/Support/CommandLine.h>
+#include <llvm/Support/FileSystem.h>
+#include <llvm/Support/FormatVariadic.h>
+#include <llvm/Support/Host.h>
+#include <llvm/Support/Path.h>
+#include <llvm/Support/TargetRegistry.h>
+#include <llvm/Support/TargetSelect.h>
+#include <llvm/Support/raw_ostream.h>
+#include <llvm/Target/TargetMachine.h>
+#include <llvm/Target/TargetOptions.h>
+#include <memory>
+
+using namespace std;
+using namespace serene;
+
+namespace cl = llvm::cl;
+
+namespace {
+enum Action {
+  None,
+  DumpAST,
+  DumpSLIR,
+  DumpMLIR,
+  DumpSemantic,
+  DumpLIR,
+  DumpIR,
+  CompileToObject,
+  Compile,
+  // TODO: Remove this option and replace it by a subcommand
+  RunJIT,
+};
+}
+
+static cl::opt<std::string> inputFile(cl::Positional,
+                                      cl::desc("The Serene file to compile"),
+                                      cl::init("-"),
+                                      cl::value_desc("filename"));
+
+static cl::opt<std::string> outputFile(
+    "o", cl::desc("The relative path to the output file from the build dir"),
+    cl::init("-"), cl::value_desc("filename"));
+
+static cl::opt<std::string>
+    outputDir("build-dir", cl::desc("The absolute path to the build directory"),
+              cl::init("-"), cl::value_desc("filename"));
+
+static cl::opt<enum Action> emitAction(
+    "emit", cl::desc("Select what to dump."), cl::init(Compile),
+    cl::values(clEnumValN(DumpSemantic, "semantic",
+                          "Output the AST after one level of analysis only")),
+    cl::values(clEnumValN(DumpIR, "ir", "Output the lowered IR only")),
+    cl::values(clEnumValN(DumpSLIR, "slir", "Output the SLIR only")),
+    cl::values(clEnumValN(DumpMLIR, "mlir",
+                          "Output the MLIR only (Lowered SLIR)")),
+    cl::values(clEnumValN(DumpLIR, "lir",
+                          "Output the LIR only (Lowerd to LLVM dialect)")),
+    cl::values(clEnumValN(DumpAST, "ast", "Output the AST only")),
+    cl::values(clEnumValN(CompileToObject, "object",
+                          "Compile to object file.")),
+    cl::values(clEnumValN(Compile, "target",
+                          "Compile to target code. (Default)")),
+    cl::values(clEnumValN(RunJIT, "jit",
+                          "Run the give input file with the JIT."))
+
+);
+
+exprs::Ast readInputFile() {
+  auto r        = make_unique<reader::FileReader>(inputFile);
+  auto maybeAst = r->read();
+
+  if (!maybeAst) {
+    throw std::move(maybeAst.getError());
+  }
+  return maybeAst.getValue();
+};
+
+exprs::Ast readAndAnalyze(SereneContext &ctx) {
+  auto ast      = readInputFile();
+  auto afterAst = reader::analyze(ctx, ast);
+
+  if (!afterAst) {
+    throw std::move(afterAst.getError());
+  }
+
+  return afterAst.getValue();
+};
+
+int dumpAsObject(Namespace &ns) {
+  // TODO: Move the compilation process to the Namespace class
+  auto maybeModule = ns.compileToLLVM();
+  // TODO: Fix this call to raise the wrapped error instead
+  auto module = std::move(
+      maybeModule.getValueOrFail("Faild to generato LLVM IR for namespace"));
+  auto &ctx = ns.getContext();
+
+  // TODO: We need to set the triple data layout and everything to that sort in
+  // one place. We want them for the JIT as well and also we're kinda
+  // duplicating what we're doing in `Namespace#compileToLLVM`.
+  module->setTargetTriple(ctx.targetTriple);
+
+  std::string Error;
+  auto target = llvm::TargetRegistry::lookupTarget(ctx.targetTriple, Error);
+
+  // Print an error and exit if we couldn't find the requested target.
+  // This generally occurs if we've forgotten to initialise the
+  // TargetRegistry or we have a bogus target triple.
+  if (!target) {
+    llvm::errs() << Error;
+    return 1;
+  }
+
+  auto cpu      = "generic";
+  auto features = "";
+
+  llvm::TargetOptions opt;
+  auto rm = llvm::Optional<llvm::Reloc::Model>();
+  auto targetMachinePtr =
+      target->createTargetMachine(ctx.targetTriple, cpu, features, opt, rm);
+  auto targetMachine = std::unique_ptr<llvm::TargetMachine>(targetMachinePtr);
+
+  module->setDataLayout(targetMachine->createDataLayout());
+
+  auto filename =
+      strcmp(outputFile.c_str(), "-") == 0 ? "output" : outputFile.c_str();
+
+  std::error_code ec;
+  llvm::SmallString<256> destFile(outputDir);
+  llvm::sys::path::append(destFile, filename);
+  auto destObjFilePath = llvm::formatv("{0}.o", destFile).str();
+  llvm::raw_fd_ostream dest(destObjFilePath, ec, llvm::sys::fs::OF_None);
+
+  if (ec) {
+    llvm::errs() << "Could not open file: " << ec.message();
+    return 1;
+  }
+
+  llvm::legacy::PassManager pass;
+  auto fileType = llvm::CGFT_ObjectFile;
+
+  if (targetMachine->addPassesToEmitFile(pass, dest, nullptr, fileType)) {
+    llvm::errs() << "TheTargetMachine can't emit a file of this type";
+    return 1;
+  }
+
+  pass.run(*module);
+  dest.flush();
+
+  if (emitAction == Action::Compile) {
+    llvm::IntrusiveRefCntPtr<clang::DiagnosticOptions> opts =
+        new clang::DiagnosticOptions;
+    clang::DiagnosticsEngine diags(
+        new clang::DiagnosticIDs, opts,
+        new clang::TextDiagnosticPrinter(llvm::errs(), opts.get()));
+
+    clang::driver::Driver d("clang", ctx.targetTriple, diags,
+                            "Serene compiler");
+    std::vector<const char *> args = {"serenec"};
+
+    args.push_back(destObjFilePath.c_str());
+    args.push_back("-o");
+    args.push_back(destFile.c_str());
+
+    d.setCheckInputsExist(false);
+
+    std::unique_ptr<clang::driver::Compilation> compilation;
+    compilation.reset(d.BuildCompilation(args));
+
+    if (!compilation) {
+      return 1;
+    }
+
+    llvm::SmallVector<std::pair<int, const clang::driver::Command *>>
+        failCommand;
+    // compilation->ExecuteJobs(compilation->getJobs(), failCommand);
+
+    d.ExecuteCompilation(*compilation, failCommand);
+    if (failCommand.empty()) {
+      llvm::outs() << "Done!\n";
+    } else {
+      llvm::errs() << "Linking failed!\n";
+    }
+  }
+
+  return 0;
+};
+
+int main(int argc, char *argv[]) {
+  // mlir::registerAsmPrinterCLOptions();
+  mlir::registerMLIRContextCLOptions();
+  mlir::registerPassManagerCLOptions();
+
+  llvm::InitializeAllTargetInfos();
+  llvm::InitializeAllTargets();
+  llvm::InitializeAllTargetMCs();
+  llvm::InitializeAllAsmParsers();
+  llvm::InitializeAllAsmPrinters();
+
+  cl::ParseCommandLineOptions(argc, argv, "Serene compiler \n");
+  auto ctx = makeSereneContext();
+  auto ns  = makeNamespace(*ctx, "user", llvm::None);
+  // TODO: We might want to find a better place for this
+  applyPassManagerCLOptions(ctx->pm);
+
+  // TODO: handle the outputDir by not forcing it. it should be
+  //       default to the current working dir
+  if (outputDir == "-") {
+    llvm::errs() << "Error: The build directory is not set. Did you forget to "
+                    "use '-build-dir'?\n";
+    return 1;
+  }
+
+  switch (emitAction) {
+
+  case Action::RunJIT: {
+    // TODO: Replace it by a proper jit configuration
+    ctx->setOperationPhase(CompilationPhase::NoOptimization);
+    break;
+  };
+
+    // Just print out the raw AST
+  case Action::DumpAST: {
+    auto ast = readInputFile();
+    llvm::outs() << exprs::astToString(&ast) << "\n";
+    return 0;
+  };
+
+  case Action::DumpSemantic: {
+    auto ast = readAndAnalyze(*ctx);
+    llvm::outs() << exprs::astToString(&ast) << "\n";
+    return 0;
+  };
+
+  case Action::DumpSLIR: {
+    ctx->setOperationPhase(CompilationPhase::SLIR);
+    break;
+  }
+
+  case Action::DumpMLIR: {
+    ctx->setOperationPhase(CompilationPhase::MLIR);
+    break;
+  }
+
+  case Action::DumpLIR: {
+    ctx->setOperationPhase(CompilationPhase::LIR);
+    break;
+  }
+
+  case Action::DumpIR: {
+    ctx->setOperationPhase(CompilationPhase::IR);
+    break;
+  }
+
+  case Action::CompileToObject: {
+    ctx->setOperationPhase(CompilationPhase::NoOptimization);
+    break;
+  }
+
+  case Action::Compile: {
+    ctx->setOperationPhase(CompilationPhase::NoOptimization);
+    break;
+  }
+
+  default: {
+    llvm::errs() << "No action specified. TODO: Print out help here\n";
+    return 1;
+  }
+  }
+
+  auto afterAst = readAndAnalyze(*ctx);
+  auto isSet    = ns->setTree(afterAst);
+
+  if (isSet.succeeded()) {
+    ctx->insertNS(ns);
+    switch (emitAction) {
+    case Action::DumpSLIR:
+    case Action::DumpMLIR:
+    case Action::DumpLIR: {
+      ns->dump();
+      break;
+    };
+    case Action::DumpIR: {
+      auto maybeModule = ns->compileToLLVM();
+
+      if (!maybeModule) {
+        llvm::errs() << "Failed to generate the IR.\n";
+        return 1;
+      }
+
+      maybeModule.getValue()->dump();
+      break;
+    };
+
+    case Action::RunJIT: {
+      auto maybeJIT = JIT::make(*ns.get());
+      auto jit = std::move(maybeJIT.getValueOrFail("Couldn't creat the JIT!"));
+
+      if (jit->invoke("main")) {
+        llvm::errs() << "Faild to invoke the 'main' function.\n";
+        return 1;
+      }
+      llvm::outs() << "Done!";
+      break;
+    };
+
+    case Action::Compile:
+    case Action::CompileToObject: {
+      return dumpAsObject(*ns);
+    };
+    default: {
+      llvm::errs() << "Action is not supported yet!\n";
+    };
+    }
+  } else {
+    llvm::errs() << "Can't set the tree of the namespace!\n";
+  }
+
+  return 0;
+}

builder

@@ -0,0 +1,209 @@
+#! /bin/bash
+
+command=$1
+
+# Utilize `ccache` if available
+if type "ccache" > /dev/null
+then
+    echo "CCache detected."
+    CMAKE_CCACHE="-DCMAKE_C_COMPILER_LAUNCHER=ccache -DCMAKE_CXX_COMPILER_LAUNCHER=ccache"
+
+else
+    echo "CCache not detected."
+    CMAKE_CCACHE=""
+fi
+export CMAKE_CCACHE
+
+export CC=$(which clang)
+export CXX=$(which clang++)
+
+export CCACHE_SLOPPINESS="pch_defines,time_macros"
+# Meke sure to use `lld` linker it faster and has a better UX
+export LDFLAGS="-fuse-ld=lld"
+export ASAN_FLAG="-fsanitize=address"
+export ASAN_OPTIONS=check_initialization_order=1
+LSAN_OPTIONS=suppressions=$(pwd)/.ignore_sanitize
+export LSAN_OPTIONS
+
+# The `builder` script is supposed to be run from the
+# root of the source tree
+ROOT_DIR=$(pwd)
+BUILD_DIR=$ROOT_DIR/build
+
+scanbuild=scan-build
+
+
+function gen_precompile_header_index() {
+    echo "// DO NOT EDIT THIS FILE: It is aute generated by './builder gen_precompile_index'" > ./include/serene_precompiles.h
+    echo "#ifndef SERENE_PRECOMPIL_H" >> ./include/serene_precompiles.h
+    echo "#define SERENE_PRECOMPIL_H" >> ./include/serene_precompiles.h
+    grep -oP  "#include .llvm/.*" . -R|cut -d':' -f2|tail +2 >> ./include/serene_precompiles.h
+    grep -oP  "#include .mlir/.*" . -R|cut -d':' -f2|tail +2 >> ./include/serene_precompiles.h
+    echo "#endif" >> ./include/serene_precompiles.h
+}
+
+function pushed_build() {
+    pushd "$BUILD_DIR" > /dev/null || return
+}
+
+function popd_build() {
+    popd > /dev/null || return
+}
+
+function compile() {
+    pushed_build
+    ninja -j "$(nproc)"
+    popd_build
+}
+
+function build() {
+    pushed_build
+    echo "Running: "
+    echo "cmake -G Ninja $CMAKE_CCACHE -DCMAKE_BUILD_TYPE=Debug \"$@\" \"$ROOT_DIR\""
+    cmake -G Ninja $CMAKE_CCACHE -DCMAKE_BUILD_TYPE=Debug "$@" "$ROOT_DIR"
+    ninja -j "$(nproc)"
+    popd_build
+}
+
+function build-20() {
+    pushed_build
+    cmake -G Ninja $CMAKE_CCACHE -DCMAKE_BUILD_TYPE=Debug -DCPP_20_SUPPORT=ON "$@" "$ROOT_DIR"
+    ninja -j "$(nproc)"
+    popd_build
+}
+
+function build-release() {
+    pushed_build
+    cmake -G Ninja -DCMAKE_BUILD_TYPE=Release "$ROOT_DIR"
+    ninja -j "$(nproc)"
+    popd_build
+}
+
+function build-docs() {
+    pushed_build
+    cmake -G Ninja $CMAKE_CCACHE -DCMAKE_BUILD_TYPE=Docs "$ROOT_DIR"
+    ninja -j "$(nproc)"
+    popd_build
+}
+
+function clean() {
+    rm -rf "$BUILD_DIR"
+}
+
+function run() {
+    pushed_build
+    "$BUILD_DIR"/bin/serenec "$@"
+    popd_build
+}
+
+function memcheck() {
+    export ASAN_FLAG=""
+    build
+    pushed_build
+    valgrind --tool=memcheck --leak-check=yes --trace-children=yes "$BUILD_DIR"/bin/serenec "$@"
+    popd_build
+}
+
+function run-tests() {
+    "$BUILD_DIR"/src/tests/tests
+}
+
+function tests() {
+    pushed_build
+    cmake -G Ninja -DCMAKE_BUILD_TYPE=Debug -DBUILD_TESTING=ON "$ROOT_DIR"
+    ninja -j "$(nproc)"
+    popd_build
+}
+
+
+case "$command" in
+    "setup")
+        pushd ./scripts || return
+        ./git-pre-commit-format install
+        popd || return
+	echo "=== Manual action required ==="
+	echo "Set this environment variable. (clang-format-diff.py is located inside llvm's source directory)."
+	echo 'export CLANG_FORMAT_DIFF="python3 /path/to/llvm/saurce/llvm-project/clang/tools/clang-format/clang-format-diff.py"'
+        ;;
+    "build")
+        clean
+        mkdir -p "$BUILD_DIR"
+        build "${@:2}"
+        ;;
+    "build-20")
+        clean
+        mkdir -p "$BUILD_DIR"
+        build-20 "${@:2}"
+        ;;
+
+    "build-docs")
+        clean
+        mkdir -p "$BUILD_DIR"
+        build-docs "${@:2}"
+        ;;
+
+    "build-release")
+        clean
+        mkdir -p "$BUILD_DIR"
+        build-release "${@:2}"
+        ;;
+    "compile")
+        compile
+        ;;
+    "compile-and-tests")
+        compile
+        run-tests
+        ;;
+    "run")
+        run "${@:2}"
+        ;;
+    "run-tests")
+        run-tests "${@:2}"
+        ;;
+
+    "scan-build")
+        clean
+        mkdir -p "$BUILD_DIR"
+        pushed_build
+        exec $scanbuild cmake "$ROOT_DIR"
+        exec $scanbuild scan-build make -j 4
+        popd_build
+        ;;
+    "memcheck")
+        memcheck "${@:2}"
+        ;;
+    "tests")
+        clean
+        mkdir -p "$BUILD_DIR"
+        tests
+        run-tests
+        ;;
+    "clean")
+        rm -rf "$BUILD_DIR"
+        ;;
+    "gen_precompile_index")
+        gen_precompile_header_index
+        ;;
+    "full-build")
+        clean
+        mkdir -p "$BUILD_DIR"
+        build
+        tests
+        run-tests
+        memcheck
+        ;;
+    *)
+        echo "Commands: "
+        echo "setup - Setup the githooks for devs"
+        echo "full-build - Build and test Serene."
+        echo "build - Build Serene from scratch in DEBUG mode."
+        echo "build-release - Build Serene from scratch in RELEASE mode."
+        echo "compile - reCompiles the project using the already exist cmake configuration"
+        echo "compile-and-tests - reCompiles the project using the already exist cmake configuration and runs the tests"
+        echo "run - Runs the serene executable"
+        echo "scan-build - Compiles serene with static analyzer"
+        echo "tests - Runs the test cases"
+        echo "memcheck - Runs the memcheck(valgrind) tool."
+        echo "clean - :D"
+        ;;
+esac

cmake/caches/debug.cmake

@@ -1,29 +0,0 @@
-# Serene Programming Language
-#
-# Copyright (c) 2019-2024 Sameer Rahmani <lxsameer@gnu.org>
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, version 2.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-# This file sets up a CMakeCache to build serene for development. In this
-# cache file we assume that you are using the toolchain and musl that are
-# built by the `builder` script. For example: `builder deps build llvm`
-# You still can just build everything yourself but the builder script and
-# this file make the process easier.
-
-# Where to find the packages. Packages can be built from source
-# or downloaded via the builder script.
-set(CMAKE_EXPORT_COMPILE_COMMANDS ON CACHE BOOL "")
-
-set(SERENE_CCACHE_DIR "$ENV{HOME}/.ccache" CACHE STRING "")
-
-set(CMAKE_BUILD_TYPE "Debug")

cmake/caches/release.cmake

@@ -1,29 +0,0 @@
-# Serene Programming Language
-#
-# Copyright (c) 2019-2024 Sameer Rahmani <lxsameer@gnu.org>
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, version 2.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-# This file sets up a CMakeCache to build serene for development. In this
-# cache file we assume that you are using the toolchain and musl that are
-# built by the `builder` script. For example: `builder deps build llvm`
-# You still can just build everything yourself but the builder script and
-# this file make the process easier.
-
-# Where to find the packages. Packages can be built from source
-# or downloaded via the builder script.
-set(CMAKE_EXPORT_COMPILE_COMMANDS OFF CACHE BOOL "")
-
-set(SERENE_CCACHE_DIR "$ENV{HOME}/.ccache" CACHE STRING "")
-
-set(CMAKE_BUILD_TYPE "Release")

cmake/find-sphinx.cmake

@@ -1,11 +0,0 @@
-#Look for an executable called sphinx-build
-find_program(SPHINX_EXECUTABLE
-             NAMES sphinx-build
-             DOC "Path to sphinx-build executable")
-
-include(FindPackageHandleStandardArgs)
-
-#Handle standard arguments to find_package like REQUIRED and QUIET
-find_package_handle_standard_args(Sphinx
-                                  "Failed to find sphinx-build executable"
-                                  SPHINX_EXECUTABLE)

cmake/tablegen-serene.cmake

@@ -1,22 +0,0 @@
-# Serene Programming Language
-#
-# Copyright (c) 2019-2024 Sameer Rahmani <lxsameer@gnu.org>
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, version 2.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-function(serene_tablegen ofn)
-  tablegen(SERENE ${ARGV})
-  set(TABLEGEN_OUTPUT ${TABLEGEN_OUTPUT} ${CMAKE_CURRENT_BINARY_DIR}/${ofn}
-      PARENT_SCOPE)
-  include_directories(${CMAKE_CURRENT_BINARY_DIR})
-endfunction()

cmake/toolchains/x86_64-linux-musl.cmake

@@ -1,49 +0,0 @@
-# Serene Programming Language
-#
-# Copyright (c) 2019-2024 Sameer Rahmani <lxsameer@gnu.org>
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, version 2.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-# This file sets up a CMakeCache to build serene for development. In this
-# cache file we assume that you are using the toolchain and musl that are
-# built by the `builder` script. For example: `builder deps build llvm`
-# You still can just build everything yourself but the builder script and
-# this file make the process easier.
-set(CMAKE_SYSTEM_NAME Linux)
-set(CMAKE_SYSTEM_PROCESSOR x86_64)
-
-set(triple x86_64-pc-linux-musl)
-
-set(CMAKE_SYSROOT ${SERENE_TOOLCHAIN_PATH})
-set(CMAKE_FIND_ROOT_PATH ${CMAKE_SYSROOT})
-
-set(CMAKE_C_COMPILER "clang")
-set(CMAKE_C_COMPILER_AR "llvm-ar")
-set(CMAKE_C_COMPILER_RANLIB "llvm-ranlib")
-
-set(CMAKE_CXX_COMPILER "clang++")
-set(CMAKE_CXX_COMPILER_AR "llvm-ar")
-set(CMAKE_CXX_COMPILER_RANLIB "llvm-ranlib")
-
-set(CMAKE_ASM_COMPILER "clang")
-set(CMAKE_ASM_COMPILER_AR "llvm-ar")
-set(CMAKE_ASM_COMPILER_RANLIB "llvm-ranlib")
-
-set(CMAKE_C_COMPILER_TARGET ${triple})
-set(CMAKE_CXX_COMPILER_TARGET ${triple})
-set(CMAKE_ASM_COMPILER_TARGET ${triple})
-
-set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM BOTH)
-set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
-set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
-set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)

core/CMakeLists.txt

@@ -1,85 +0,0 @@
-# Serene Programming Language
-#
-# Copyright (c) 2019-2024 Sameer Rahmani <lxsameer@gnu.org>
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, version 2.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-
-include_directories(${CMAKE_CURRENT_SOURCE_DIR}/include)
-include_directories(${LIBSERENE_INCLUDE_DIR})
-
-add_subdirectory(lib/serene)
-
-
-get_target_property(LIBNAME Serene::core CMAKE_PKG_NAME)
-
-# Install rules for libserene target
-install(TARGETS core
-  EXPORT CoreExports
-  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
-  ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
-  RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
-
-
-# Install rules for the public header files.
-install(DIRECTORY ${INCLUDE_DIR}/serene
-  DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
-  FILES_MATCHING
-  PATTERN *.h
-  PATTERN *.td
-  PATTERN "CMake*" EXCLUDE)
-
-# Install rule for the public generated header files
-install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/
-  DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
-  FILES_MATCHING
-  PATTERN *.h
-  PATTERN *.td
-  PATTERN *.h.inc
-  PATTERN "CMake*" EXCLUDE)
-
-include(CMakePackageConfigHelpers)
-
-# Package config file let us use find_package with serene
-configure_package_config_file(
-  "${CMAKE_CURRENT_SOURCE_DIR}/cmake/${LIBNAME}Config.cmake.in"
-  "${CMAKE_CURRENT_BINARY_DIR}/${LIBNAME}Config.cmake"
-
-  INSTALL_DESTINATION
-  ${CMAKE_INSTALL_LIBDIR}/cmake/serene-core-${PROJECT_VERSION}
-  )
-
-write_basic_package_version_file(
-  "CoreConfigVersion.cmake"
-  VERSION ${PROJECT_VERSION}
-  COMPATIBILITY SameMajorVersion
-  )
-
-install(FILES
-  "${CMAKE_CURRENT_BINARY_DIR}/${LIBNAME}Config.cmake"
-  "${CMAKE_CURRENT_BINARY_DIR}/${LIBNAME}ConfigVersion.cmake"
-  DESTINATION
-  ${CMAKE_INSTALL_LIBDIR}/cmake/serene-core-${PROJECT_VERSION}
-  )
-
-# Install the package exports
-install(EXPORT CoreExports
-  DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/serene-core-${PROJECT_VERSION}
-  NAMESPACE serene::)
-
-# Testing only available if this is the main app
-# Emergency override SERENE_CMAKE_BUILD_TESTING provided as well
-if(SERENE_BUILD_TESTING)
-  message("Build the test binary")
-  add_subdirectory(tests)
-endif()

core/cmake/SereneCoreConfig.cmake.in

@@ -1,21 +0,0 @@
- # Serene Programming Language
-#
-# Copyright (c) 2019-2024 Sameer Rahmani <lxsameer@gnu.org>
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, version 2.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-@PACKAGE_INIT@
-
-include("${CMAKE_CURRENT_LIST_DIR}/@PROJECT_NAME@Exports.cmake")
-
-check_required_components("@PROJECT_NAME@")

core/include/serene/core/core.h

@@ -1,29 +0,0 @@
-/* -*- C++ -*-
- * Serene Programming Language
- *
- * Copyright (c) 2019-2024 Sameer Rahmani <lxsameer@gnu.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, version 2.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef SERENE_CORE_CORE_H
-#define SERENE_CORE_CORE_H
-
-#include "serene/export.h"
-
-namespace serene {
-extern "C" int SERENE_EXPORT read() asm("serene.core/read");
-extern "C" int SERENE_EXPORT compile() asm("serene.core/compile");
-
-} // namespace serene
-#endif

core/lib/serene/CMakeLists.txt

@@ -1,70 +0,0 @@
-# Serene Programming Language
-#
-# Copyright (c) 2019-2024 Sameer Rahmani <lxsameer@gnu.org>
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, version 2.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-#TODO: To support MacOS look into cmake's public headers
-# https://cmake.org/cmake/help/latest/prop_tgt/PUBLIC_HEADER.html
-
-# Prevent any future RPATH issue on Posix
-if(NOT APPLE)
-  set(CMAKE_INSTALL_RPATH $ORIGIN)
-endif()
-
-set(SOURCES core.cpp)
-add_library(core OBJECT
-  ${SOURCES})
-
-#add_custom_target(serene.core)
-# Create an ALIAS target. This way if we mess up the name
-# there will be an cmake error inseat of a linker error which is harder
-# to understand. So any binary that wants to use serene has to
-# use `Serene::core` alias instead
-add_library(Serene::core ALIAS core)
-
-set_target_properties(core PROPERTIES
-  VERSION ${PROJECT_VERSION}
-  SOVERSION ${PROJECT_VERSION_MAJOR}
-  CMAKE_PKG_NAME SereneCore
-  # Warn on unused libs
-  LINK_WHAT_YOU_USE TRUE
-  CXX_INCLUDE_WHAT_YOU_USE "${iwyu_path}"
-  C_INCLUDE_WHAT_YOU_USE "${iwyu_path}"
-  # LTO support we need the actual object file
-  # LTO will export them to llvm IR
-  INTERPROCEDURAL_OPTIMIZATION FALSE)
-
-target_compile_options(core PRIVATE --static)
-target_link_options(core PRIVATE --static)
-
-if(SERENE_ENABLE_TIDY)
-  set_target_properties(core PROPERTIES CXX_CLANG_TIDY ${CLANG_TIDY_PATH})
-endif()
-
-if (CPP_20_SUPPORT)
-  target_compile_features(core PUBLIC cxx_std_20)
-else()
-  target_compile_features(core PUBLIC cxx_std_17)
-endif()
-
-# We need this directory, and users of our library will need it too
-target_include_directories(core PUBLIC "$<BUILD_INTERFACE:${INCLUDE_DIR}>")
-target_include_directories(core PUBLIC "$<BUILD_INTERFACE:${PROJECT_BINARY_DIR}>")
-
-# Generate the export.h
-include(GenerateExportHeader)
-
-generate_export_header(core EXPORT_FILE_NAME ${PROJECT_BINARY_DIR}/include/serene/core/export.h)
-
-target_link_libraries(core PRIVATE)

core/lib/serene/compiler.cpp.inc

@@ -1,31 +0,0 @@
-/* -*- C++ -*-
- * Serene Programming Language
- *
- * Copyright (c) 2019-2024 Sameer Rahmani <lxsameer@gnu.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, version 2.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "serene/core/core.h"
-#include "serene/types/types.h"
-
-#include <cstdio>
-
-namespace serene {
-
-extern "C" int SERENE_EXPORT compile() {
-  printf("compile11\n");
-  return 2;
-};
-
-} // namespace serene

core/lib/serene/core.cpp

@@ -1,20 +0,0 @@
-/*
- * Serene Programming Language
- *
- * Copyright (c) 2019-2024 Sameer Rahmani <lxsameer@gnu.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, version 2.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <compiler.cpp.inc>
-#include <reader.cpp.inc>

core/lib/serene/reader.cpp.inc

@@ -1,26 +0,0 @@
-/* -*- C++ -*-
- * Serene Programming Language
- *
- * Copyright (c) 2019-2024 Sameer Rahmani <lxsameer@gnu.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, version 2.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "serene/core/core.h"
-#include "serene/types/types.h"
-
-namespace serene {
-
-int read() { return 0; };
-
-} // namespace serene

dev.org

@@ -1,7 +1,7 @@
 #+TITLE: Serene Development
 #+AUTHOR: Sameer Rahmani
 #+SEQ_TODO: TODO(t/!) NEXT(n/!) BLOCKED(b@/!) | DONE(d%) WONT_DO(c@/!) FAILED(f@/!)
-#+TAGS: DOCS(d) EXAMPLES(e) serenecli(c) reader(r) context(x) Misc(m) JIT(j) GC(g) Tool(t)
+#+TAGS: DOCS(d) EXAMPLES(e) serenecli(c) reader(r) context(x) Misc(m)
 #+STARTUP: logdrawer logdone logreschedule indent content align constSI entitiespretty nolatexpreview
 #+OPTIONS: tex:t
 #+HTML_MATHJAX: align: left indent: 5em tagside: left font: Neo-Eule
@@ -36,8 +36,6 @@ Then here is the list or parsers that we have considered
 - [[http://www.lispworks.com/documentation/HyperSpec/Body/02_df.htm][Backquote in CL]]
 - [[https://www.cs.cmu.edu/Groups/AI/html/cltl/clm/node367.html][Backquote spec in Common Lisp the Language, 2nd Edition]]
 - [[http://christophe.rhodes.io/notes/blog/posts/2014/backquote_and_pretty_printing/][Backquote and pretty printing]]
-*** Compilers
-- https://bernsteinbear.com/blog/compiling-a-lisp-0/
 ** Rust
 - [[https://doc.rust-lang.org/book/][The Rust book]] (in [[https://www.reddit.com/r/rust/comments/2s1zj2/the_rust_programming_language_book_as_epub/][EPUB]] format)
 ** LLVM
@@ -57,13 +55,6 @@ Then here is the list or parsers that we have considered
 - [[https://julialang.org/research/julia-fresh-approach-BEKS.pdf][Julia: A Fresh Approach toNumerical Computing]]
 ** Cranelift
 - [[https://github.com/bytecodealliance/wasmtime/tree/master/cranelift][Source tree]]
-** Type Systems
-- [[https://www.cs.cmu.edu/~rwh/courses/hott/][Homotopy Type Theory]]
-- No, dynamic type systems are not inherently more open:
-  https://lexi-lambda.github.io/blog/2020/01/19/no-dynamic-type-systems-are-not-inherently-more-open/
-- Type theory resources:
-  https://github.com/jozefg/learn-tt
-
 ** Memory management
 - [[https://deepu.tech/memory-management-in-golang/][Visualizing memory management in Golang]]
 - [[http://goog-perftools.sourceforge.net/doc/tcmalloc.html][TCMalloc : Thread-Caching Malloc]]
@@ -71,32 +62,18 @@ Then here is the list or parsers that we have considered
 ** Concurrency
 - [[https://www.ardanlabs.com/blog/2018/08/scheduling-in-go-part1.html][Scheduling In Go (Series)]]
 
-** Garbage collection                                                   :GC:
+** Garbage collection
 - [[https://v8.dev/blog/high-performance-cpp-gc][GC on V8]]
 - [[https://www.microsoft.com/en-us/research/uploads/prod/2020/11/perceus-tr-v1.pdf][Perceus: Garbage Free Reference Counting with Reuse]]
-*** [[https://www.hboehm.info/gc/][Boehm GC]]                                                         :Tool:
-*** [[https://www.ravenbrook.com/project/mps/][MPS]]                                                              :Tool:
-*** [[https://www.mmtk.io/code][MMTK]]                                                             :Tool:
-*** [[https://github.com/JWesleySM/Whiro][Whiro]]                                                            :Tool:
-This is not GC but a tool to debug GC and memory allocation.
-
+- [[https://www.hboehm.info/gc/][Boehm GC]]
 ** JIT
 - [[https://asmjit.com/][Machine code generator for C++]]
-- https://www.youtube.com/watch?v=hILdR8XRvdQ&t=1511s
-
-** Optimizations
-- [[https://sunfishcode.github.io/blog/2018/10/22/Canonicalization.html][Canonicalization]]
-
 ** Compiler
 - [[https://eli.thegreenplace.net/2011/09/06/stack-frame-layout-on-x86-64][Stack frame layout on x86-64]]
 *** Branch instructions
 It would be cool to have macro to instruct the compiler about the likelyhood
 of a branch in a conditional. Something similar to kernel's *likely* and *unlikely*
 macros
-*** How to learn compilers: LLVM Edition
-https://lowlevelbits.org/how-to-learn-compilers-llvm-edition/
-*** Pointers Are Complicated III, or: Pointer-integer casts exposed
-https://www.ralfj.de/blog/2022/04/11/provenance-exposed.html
 *** Execution Instrumentation
 The compiler should be able to embed some code in the program to collect data about
 the different execution paths or function instrumentation and other useful data the
@@ -116,87 +93,19 @@ on ADF
 *** Emacs mode
 - [[https://www.wilfred.me.uk/blog/2015/03/19/adding-a-new-language-to-emacs/][Adding A New Language to Emacs]]
 - [[https://www.wilfred.me.uk/blog/2014/09/27/the-definitive-guide-to-syntax-highlighting/][The Definitive Guide To Syntax Highlighting]]
-
 ** Linker
 - [[https://lwn.net/Articles/276782/][20 part linker essay]]
-- [[https://lld.llvm.org/index.html][LLD Usage]]
-** LLVM
-- [[https://blog.yossarian.net/2021/07/19/LLVM-internals-part-1-bitcode-format][LLVM Internals]]
-*** TableGen
-- [[https://llvm.org/docs/TableGen/BackGuide.html#creating-a-new-backend][Create a backend]]
-** Toolchain
-- https://llvm.org/docs/BuildingADistribution.html
 
-** Cross compilation
 
-- https://blog.gibson.sh/2017/11/26/creating-portable-linux-binaries/#some-general-suggestions
-  A nice to read article on some of the common problems when linking statically
-  with none default libc or libc++
-
-** Useful courses and resources
--  https://www.cs.cornell.edu/courses/cs6120/2020fa/lesson/
--  https://cs.lmu.edu/~ray/notes/languagedesignnotes/
 * Considerations
 ** Hashmaps
 *** DOS attack
 - https://www.anchor.com.au/blog/2012/12/how-to-explain-hash-dos-to-your-parents-by-using-cats/
 - https://en.wikipedia.org/wiki/Collision_attack
-* Ideas
-** Destructure types
-Imagine a type that is a subset of a Coll, and when we
-pass a Coll to its type constructor in destructs the input and
-construct the type base on the data that it needs only and
-leave the rest untouched
-** Hot function optimization
-it would be nice for the JIT to add instrumentation to the compiled
-functions and detect hot functions similar to how javascript jits do it
-and recompile those functions with more optimization passes
-* Conversations
-** Solutions to link other ~libc~ rather than the default
-From my discassion with ~lhames~
-#+BEGIN_QUOTE
-I can think of a few approaches with different trade-offs:
-- Link your whole JIT (including LLVM) against musl rather than the default -- JIT'd
-  code uses the desired libc, there's only one libc in the JIT'd process, but the
-  cost is high (perhaps prohibitive, depending on your constraints)
-- JIT out-of-process -- JIT (including LLVM) uses default libc and is compiled only once,
-  executor links the (alternative) desired libc at compile time and must be compiled each
-  time that you want to change it -- JIT'd code uses the desired libc, there's only one libc
-  in the JIT'd process, but the config is involved (requires a cross-process setup)
-- JIT in process, link desired libc via JIT -- Easy to set up, but now you've got two
-  libcs in the process. I've never tested that config. It might just work, it might
-  fail at link or runtime in weird ways.
-#+END_QUOTE
+
 * TODOs
-** Strings
-*** TODO How to concat to strings in a functional and immutable way?
-Should we include an pointer to another string???
-** TODO Create =Catch2= generators to be used in tests. Specially for the =reader= tests
-** TODO Investigate possible implementanion for Internal Errors
-- An option is to use llvm registry functionality like the one used in =clang-doc= instead of
- =errorVariants= var.
-
-** TODO In =SereneContext::getLatestJITDylib= function, make sure that the JITDylib is still valid
-Make sure that the returning Dylib still exists in the JIT
-by calling =jit->engine->getJITDylibByName(dylib_name);=
-** TODO Provide the CLI arguments to pass the =createTargetMachine=.
-We need a way to tweak the target machine object. It's better to provide cli tools
-to do so.
-** TODO Walk the module and register the symbols with the engine (lazy and nonlazy) :JIT:
-** TODO Change the compilation layer to accept MLIR modules instead of LLVM IR :JIT:
-This way we can fine tune MLIR's passes based on the JIT settings as well
-** TODO Create a pass to rename functions to include the ns name
-** TODO Use =const= where ever it makes sense
-** TODO Create different pass pipeline for different compilation phases
-So we can use them directly via command line, like -O1 for example
-
-** TODO Investigate the huge size of serenec
-So far it seems that the static linking and the lack of tree shaking is the issue
-** DONE Add the support for =ns-paths=                   :serenecli:context:
-CLOSED: [2021-09-25 Sat 19:22]
-:LOGBOOK:
-- State "DONE"       from "TODO"       [2021-09-25 Sat 19:22]
-:END:
+** Bootstrap*
+*** TODO Add the support for =ns-paths=                 :serenecli:context:
 We need to add the support for an array of paths to lookup namespaces. The =ns-paths= should
 be an array that each entry represents a path which serene has to look into in order to find
 a namespace. For instance, when serene wants to load the =foo.bar= namespace, it should walk
@@ -206,39 +115,39 @@ in python.
 - [ ] Add the support to *Namespace*.
 - [ ] Add the cli argument to the =bin/serene.cpp=
 
-** TODO Error handling
+*** TODO Error handling
 Create proper error handling for the internal infra
-** TODO Replace =llvm::outs()= with debug statements
-** TODO Move the generatable logic out of its files and remove them
-** TODO Add a CLI option to get any extra pass
-** TODO Add support for =sourcemgr= for input files
-** TODO Language Spec                                                 :DOCS:
-** TODO A proper List implementation
-** TODO Vector implementation
-** TODO Hashmap implementation
-** TODO Meta data support
-** TODO Docstring support                                             :DOCS:
+*** TODO Replace =llvm::outs()= with debug statements
+*** TODO Move the generatable logic out of its files and remove them
+*** TODO Add a CLI option to get any extra pass
+*** TODO Add support for =sourcemgr= for input files
+*** TODO Language Spec                                               :DOCS:
+*** TODO A proper List implementation
+*** TODO Vector implementation
+*** TODO Hashmap implementation
+*** TODO Meta data support
+*** TODO Docstring support                                           :DOCS:
 - [ ] For functions and macros
 - [ ] For namespaces and projects
 - [ ] API to interact with docstrings and helps
-** TODO FFI interface
-** TODO nREPL
-** TODO Emacs mode                                                    :Misc:
-** TODO Number implementation
-** TODO String implementation
-** TODO Enum implementation
-** TODO Protocol
-** TODO Struct implementation
-** TODO Multi arity functions
-** TODO QuasiQuotation
-** TODO Linter                                                        :Misc:
-** TODO Document generator                                       :DOCS:Misc:
-** TODO Spec like functionality
-** TODO Laziness implementation
-** TODO Investigate the Semantic Error tree and tracking
+*** TODO FFI interface
+*** TODO nREPL
+*** TODO Emacs mode                                                  :Misc:
+*** TODO Number implementation
+*** TODO String implementation
+*** TODO Enum implementation
+*** TODO Protocol
+*** TODO Struct implementation
+*** TODO Multi arity functions
+*** TODO QuasiQuotation
+*** TODO Linter                                                      :Misc:
+*** TODO Document generator                                     :DOCS:Misc:
+*** TODO Spec like functionality
+*** TODO Laziness implementation
+*** TODO Investigate the Semantic Error tree and tracking
 Basically we should be able to create an error tree on semantic analysis
 time and trace semantic errors on different layers and intensively.
 Is it a good idea ?
-** Standard libraries
-*** TODO IO library
-*** TODO Test library
+*** Standard libraries
+**** TODO IO library
+**** TODO Test library

devtools/CMakeLists.txt

@@ -1,93 +0,0 @@
-# Serene Programming Language
-#
-# Copyright (c) 2019-2024 Sameer Rahmani <lxsameer@gnu.org>
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, version 2.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-if (SERENE_ENABLE_DEVTOOLS)
-
-add_executable(slir-lsp-server slir-lsp-server.cpp)
-add_executable(Serene::SLIR::LSP ALIAS slir-lsp-server)
-
-set_target_properties(slir-lsp-server PROPERTIES
-  VERSION ${PROJECT_VERSION}
-  SOVERSION ${PROJECT_VERSION_MAJOR}
-  # Warn on unused libs
-  LINK_WHAT_YOU_USE TRUE
-
-  # LTO support
-  INTERPROCEDURAL_OPTIMIZATION TRUE)
-
-if(SERENE_ENABLE_TIDY)
-  set_target_properties(slir-lsp-server PROPERTIES CXX_CLANG_TIDY ${CLANG_TIDY_PATH})
-endif()
-
-if (CPP_20_SUPPORT)
-  target_compile_features(slir-lsp-server PRIVATE cxx_std_20)
-else()
-  target_compile_features(slir-lsp-server PRIVATE cxx_std_17)
-endif()
-
-
-target_link_libraries(slir-lsp-server
-  PRIVATE
-  Serene::lib
-  MLIRLspServerLib
-)
-
-target_include_directories(slir-lsp-server PRIVATE ${PROJECT_BINARY_DIR})
-target_include_directories(slir-lsp-server PRIVATE ${INCLUDE_DIR})
-
-install(TARGETS slir-lsp-server
-  RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
-
-
-# ========
-# slir-opt
-# ========
-add_executable(slir-opt slir-opt.cpp)
-add_executable(Serene::SLIR::Opt ALIAS slir-opt)
-
-set_target_properties(slir-opt PROPERTIES
-  VERSION ${PROJECT_VERSION}
-  SOVERSION ${PROJECT_VERSION_MAJOR}
-  # Warn on unused libs
-  LINK_WHAT_YOU_USE TRUE
-
-  # LTO support
-  INTERPROCEDURAL_OPTIMIZATION TRUE)
-
-if(SERENE_ENABLE_TIDY)
-  set_target_properties(slir-opt PROPERTIES CXX_CLANG_TIDY ${CLANG_TIDY_PATH})
-endif()
-
-if (CPP_20_SUPPORT)
-  target_compile_features(slir-opt PRIVATE cxx_std_20)
-else()
-  target_compile_features(slir-opt PRIVATE cxx_std_17)
-endif()
-
-
-target_link_libraries(slir-opt
-  PRIVATE
-  Serene::lib
-  MLIROptLib
-)
-
-target_include_directories(slir-opt PRIVATE ${PROJECT_BINARY_DIR})
-target_include_directories(slir-opt PRIVATE ${INCLUDE_DIR})
-
-install(TARGETS slir-opt
-  RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
-
-endif()

devtools/slir-lsp-server.cpp

@@ -1,35 +0,0 @@
-/* -*- C++ -*-
- * Serene Programming Language
- *
- * Copyright (c) 2019-2024 Sameer Rahmani <lxsameer@gnu.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, version 2.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "serene/slir/dialect.h"
-
-#include <mlir/Dialect/Func/IR/FuncOps.h>
-#include <mlir/IR/Dialect.h>
-#include <mlir/Tools/mlir-lsp-server/MlirLspServerMain.h>
-
-int main(int argc, char **argv) {
-  mlir::DialectRegistry registry;
-
-  serene::slir::registerTo(registry);
-
-  registry.insert<mlir::func::FuncDialect>();
-
-  // TODO: Register passes here
-  return static_cast<int>(
-      mlir::failed(mlir::MlirLspServerMain(argc, argv, registry)));
-}

devtools/slir-opt.cpp

@@ -1,39 +0,0 @@
-/* -*- C++ -*-
- * Serene Programming Language
- *
- * Copyright (c) 2019-2024 Sameer Rahmani <lxsameer@gnu.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, version 2.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "serene/passes.h"
-#include "serene/slir/dialect.h"
-
-#include <mlir/Dialect/Arithmetic/IR/Arithmetic.h>
-#include <mlir/Dialect/Func/IR/FuncOps.h>
-#include <mlir/Dialect/LLVMIR/LLVMDialect.h>
-#include <mlir/IR/Dialect.h>
-#include <mlir/Tools/mlir-opt/MlirOptMain.h>
-
-int main(int argc, char **argv) {
-  mlir::DialectRegistry registry;
-
-  serene::slir::registerTo(registry);
-  registry.insert<mlir::arith::ArithmeticDialect, mlir::func::FuncDialect,
-                  mlir::LLVM::LLVMDialect>();
-
-  serene::passes::registerAllPasses();
-
-  return static_cast<int>(
-      mlir::failed(mlir::MlirOptMain(argc, argv, "slir-opt", registry)));
-}

docs/CMakeLists.txt

@@ -0,0 +1,16 @@
+set(DOXYGEN_GENERATE_HTML YES)
+set(DOXYGEN_GENERATE_MAN YES)
+set(DOXYGEN_EXTRACT_ALL YES)
+set(DOXYGEN_BUILTIN_STL_SUPPORT YES)
+
+set(DOXYGEN_PROJECT_BRIEF "Just another Lisp")
+
+message("<<<<<<<<<<<<<<<<<<<<<<<<<<<")
+message(${PROJECT_SOURCE_DIR})
+message(${INCLUDE_DIR})
+doxygen_add_docs(docs
+  #"${CMAKE_CURRENT_SOURCE_DIR}/index.md"
+  "${PROJECT_SOURCE_DIR}/src/"
+  ${INCLUDE_DIR})
+
+add_dependencies(serenec docs)

docs/Dockerfile

@@ -1,14 +0,0 @@
-FROM docker.io/python
-
-WORKDIR /app
-COPY . .
-RUN pip install -r docs/requirements.txt
-RUN mkdocs build
-
-
-FROM docker.io/busybox
-
-COPY --from=0 /app/build/docs /app
-
-WORKDIR /app
-CMD ["busybox", "httpd", "-f", "-v", "-p", "3000"]

docs/examples/hello_world.srn

@@ -1,2 +1,2 @@
-(def main (fn () 4))
+(def main (fn () 3))
 (def main1 (fn (v y n) 3))

docs/examples/slir/hello_world.mlir

@@ -1,38 +0,0 @@
-module @some.ns {
-       // Value operator ----
-       %0 = "serene.value"(){value= 3} : () -> i64
-       // compact form
-       %1 = serene.value 3 : i32
-
-       %x = serene.symbol "some.ns" "x"
-       // Def operator ----
-       %foo = "serene.define"(%0){sym_name = "foo"}: (i64) -> !serene.symbol
-       // compact form
-       %bar = serene.define "bar", %0 : i64
-
-       // Fn operator ----
-       %f1 = "serene.fn"()({
-       ^entry(%fnarg1 : i1, %fnarg2 : !serene.symbol):
-              %2 = serene.value 3 : i32
-
-              // Def operator ----
-              %baz = "serene.define"(%fnarg1){sym_name = "baz"}: (i1) -> !serene.symbol
-              serene.ret %baz : !serene.symbol
-       },
-       {
-       ^b1(%f1 : i1):
-              %3 = serene.value 4 : i32
-
-              // Def operator ----
-              %baz1 = "serene.define"(%3){sym_name = "baz"}: (i32) -> !serene.symbol
-              serene.ret %baz1 : !serene.symbol
-       ^b2:
-              %baz2 = "serene.define"(%3){sym_name = "baz"}: (i32) -> !serene.symbol
-              serene.ret %baz2 : !serene.symbol
-       }){name = "some-fn", return_type = i32} : () -> !serene.fn
-
-       %a1 = serene.value 1 : i1
-       %a2 = serene.value "x" : !serene.symbol
-
-       %result = serene.call %f1(%a1, %a2){} : (i1, !serene.symbol) -> i32
-}

docs/pages/getting_started.md

@@ -1,80 +0,0 @@
----
-title: Getting Started
----
-
-# Getting Started
-Serene is under heavy development. This guide is dedicated to help you to get started with
-Serene development.
-
-This guide assumes that you are familiar with C/C++ development and ecosystem.
-
-## Are you a Linux user?
-If you are using Linux (x86_64 only), then you're in luck. The `builder` script
-will download the required toolchain automatically for you and set it up. So,
-you can just use `builder` subcommands to develop serene (you still need to
-install `cmake` and `ninja`).
-
-You can disable this behaviour by setting the `USE_SERENE_TOOLCHAIN` env variable to
-anything beside "true".
-
-## Dependencies
-Here is the list of dependencies that need to be present:
-- `LLVM` (You can find the exact version in the `builder` script)
-- `CMake` `>= 3.19`
-- `Ninja`
-- `include-what-you-use`
-- `Valgrind` (Optional and only for development)
-- `CCache` (If you want faster builds, specially with the LLVM)
-- `Boehm GC` `v8.2.2`
-  make sure to build in statically with `-fPIC` flag.
-- `zstd` (Only if you want to use prebuilt dependencies on Linux)
-- Musl libc `v1.2.3` (It's not required but highly recommended)
-- `libc++` (same version as LLVM abviously. It's not required but highly recommended)
-- `compiler-rt` (same version as LLVM abviously. It's not required but highly recommended)
-
-Serene build system uses Musl, libc++, and compiler-rt to generate a static binary.
-You can use glibc, libgcc, and libstdc++ instead. But you might not be able to
-cross compiler with Serene and also if anything happen to you, I might not be able
-to help (I'll try for sure).
-
-## Setup development environment
-Before, you have to set up the necessary git hooks as follows:
-
-```bash
- ./builder setup
-```
-
-## Build and installing dependencies (Other platforms)
-Currently, the `builder` script does not support any platform beside GNU/Linux. So, you
-need to build the dependencies yourself and make them available to the builder.
-
-By the way, If you are interested, you can just hack the builder script and accommodate your
-platform and contribute your changes to the project.
-
-To build the dependencies in your platform, you can use the https://devheroes.codes/Serene/bootstrap-toolchain
-repo as a reference or even modify it to support other platforms. Any contribution will be appreciated.
-
-After all, it's just a cmake project. So, don't be afraid.
-
-## How to build
-To build for development (Debug mode) just use `./builder build` to setup the build system,
-and build the project once, and then you can just use `./builder compile` to build the changed files
-only.
-
-Check out the `builder` script for more subcommands and details.
-
-## How to debug
-Since we're using the Boehm GC, to use a debugger, we need to turn off some of the signal
-handlers that the debugger sets. To run the debugger (by default, lldb) with `serene`
-just use the `lldb-run` subcommand of the builder script. In the debugger, after setting the
-break point on the `main` function (`b main`) then use the following commands on:
-
-```
-process handle -p yes -s no -n no SIGPWR
-process handle -p yes -s no -n no SIGXCPU
-process handle -p yes -s no -n no SIGSEGV
-```
-
-## Cheatsheets
-- [Modern C++ Cheatsheet](https://github.com/muqsitnawaz/modern-cpp-cheatsheet)
-- [Modern CMake](https://cliutils.gitlab.io/modern-cmake/)

docs/pages/index.md

@@ -1,29 +0,0 @@
----
-hide:
-  - navigation
-  - toc
-title: Home
----
-# “What I cannot create, I do not understand”
--- Richard Feynman
-
-## Serene is ...
-A modern lisp, and it is to be born. It started out of the curiosity of the author and his journey
-through computer science and mathematics. We are at the early stages of the development process
-and there is a long way to go. If you're interested, contact us by joining our mailing list and
-checkout the git repository. Furthermore, we document our progress in development via some video
-tutorials and code walkthrough that can be a good guide for the developers who are eager to join
-the team. You can find the videos on [my :fontawesome-brands-youtube:{ .youtube } YouTube channel](https://www.youtube.com/c/lxsameer).
-
-
-## Announcements:
-
-### * How to build a compiler with LLVM and MLIR
-I have decided to make a video series as a guide and walk through the Serene’s code base. This
-way, anyone who is interested in Serene but never done language development will have an easier
-time getting started with Serene. It will also serve as a historical documentary for some
-decisions and implementations that we made throughout the development process. The video series
-in accessible via my YouTube channel and How to build a compiler with LLVM and MLIR playlist.
-Looking forward to your feedback. :smile:
-
-Date: `2021-08-15`

docs/pages/javascripts/mathjax.js

@@ -1,18 +0,0 @@
-window.MathJax = {
-  tex: {
-    inlineMath: [["\\(", "\\)"]],
-    displayMath: [["\\[", "\\]"]],
-    processEscapes: true,
-    processEnvironments: true
-  },
-  options: {
-    ignoreHtmlClass: ".*|",
-    processHtmlClass: "arithmatex"
-  }
-};
-
-document$.subscribe(() => {
-
-
-  MathJax.typesetPromise()
-})

docs/pages/resources.md

@@ -1,192 +0,0 @@
----
-title: Resources
----
-# Development Resource
-
-## LLVM
-- [Brief Overview of LLVM](https://www.infoworld.com/article/3247799/what-is-llvm-the-power-behind-swift-rust-clang-and-more.html)
-- [A bit in depth details on LLVM](https://aosabook.org/en/llvm.html)
-- [Official LLVM tutorial C++](https://llvm.org/docs/tutorial/)
-- [Interactive C++ with Cling](https://blog.llvm.org/posts/2020-11-30-interactive-cpp-with-cling/)
-- [My First LLVM Compiler](https://www.wilfred.me.uk/blog/2015/02/21/my-first-llvm-compiler/)
-- [A Complete Guide to LLVM for Programming Language Creators](https://mukulrathi.co.uk/create-your-own-programming-language/llvm-ir-cpp-api-tutorial/)
-- [LLVM Internals](https://blog.yossarian.net/2021/07/19/LLVM-internals-part-1-bitcode-format)
-- [How to learn about compilers (LLVM Version)](https://lowlevelbits.org/how-to-learn-compilers-llvm-edition/)
-
-### TableGen
-- [Create a backend](https://llvm.org/docs/TableGen/BackGuide.html#creating-a-new-backend)
-
-## Data Structures
-- [Pure functional datastructures papaer](https://www.cs.cmu.edu/~rwh/theses/okasaki.pdf)
-- [Dynamic typing: syntax and proof theory](https://reader.elsevier.com/reader/sd/pii/0167642394000042?token=CEFF5C5D1B03FD680762FC4889A14C0CA2BB28FE390EC51099984536E12AC358F3D28A5C25C274296ACBBC32E5AE23CD)
-- [Representing Type Information in Dynamically Typed Languages](https://citeseer.ist.psu.edu/viewdoc/summary?doi=10.1.1.39.4394)
-- [An empirical study on the impact of static typing on software maintainability](https://www.researchgate.net/publication/259634489_An_empirical_study_on_the_impact_of_static_typing_on_software_maintainability)
-
-## Other languages
-- [Julia: A Fresh Approach toNumerical Computing](https://julialang.org/research/julia-fresh-approach-BEKS.pdf)
-
-
-
-## Memory management
-- [Visualizing memory management in Golang](https://deepu.tech/memory-management-in-golang/)
-- [TCMalloc : Thread-Caching Malloc](http://goog-perftools.sourceforge.net/doc/tcmalloc.html)
-- [A visual guide to Go Memory Allocator from scratch (Golang)](https://medium.com/@ankur_anand/a-visual-guide-to-golang-memory-allocator-from-ground-up-e132258453ed)
-
-## Concurrency
-- [Scheduling In Go (Series)](https://www.ardanlabs.com/blog/2018/08/scheduling-in-go-part1.html)
-
-## Garbage collection
-- [GC on V8](https://v8.dev/blog/high-performance-cpp-gc)
-- [Perceus: Garbage Free Reference Counting with Reuse](https://www.microsoft.com/en-us/research/uploads/prod/2020/11/perceus-tr-v1.pdf)
-- [Boehm GC](https://www.hboehm.info/gc/)
-- [MPS](https://www.ravenbrook.com/project/mps/)
-- [MMTK](https://www.mmtk.io/code)
-- [Whiro](https://github.com/JWesleySM/Whiro)<br/>
-  This is not GC but a tool to debug GC and memory allocation.
-
-## JIT
-- [Machine code generator for C++](https://asmjit.com/)
-- [LLVM's Next Generation of JIT API](https://www.youtube.com/watch?v=hILdR8XRvdQ)
-
-## Optimizations
-- [Canonicalization](https://sunfishcode.github.io/blog/2018/10/22/Canonicalization.html)
-
-## Compiler
-- [Stack frame layout on x86-64](https://eli.thegreenplace.net/2011/09/06/stack-frame-layout-on-x86-64)
-- [Pointers Are Complicated](https://www.ralfj.de/blog/2020/12/14/provenance.html)
-- [Pointers Are Complicated III, or: Pointer-integer casts exposed](https://www.ralfj.de/blog/2022/04/11/provenance-exposed.html)
-- [A compiler writting journal](https://github.com/DoctorWkt/acwj)
-
-## Linker
-- [20 part linker essay](https://lwn.net/Articles/276782/)
-- [LLD Usage](https://lld.llvm.org/index.html)
-
-## Toolchain
-- [Building LLVM Distribution](https://llvm.org/docs/BuildingADistribution.html)
-
-## Cross compilation
-
-- [Creating portable Linux binaries](https://blog.gibson.sh/2017/11/26/creating-portable-linux-binaries/#some-general-suggestions)<br/>
-  A nice to read article on some of the common problems when linking statically
-  with none default libc or libc++
-
-## Lang
-- Scheme
-  * [Chicken Scheme - Easy-to-use compiler and interpreter, with lots of libraries](https://call-cc.org)
-  * [Stalin - Brutally optimizing Scheme compiler, with lots of optimization flags](https://github.com/barak/stalin)
-* [Crafting Interpreters](https://craftinginterpreters.com/contents.html)
-
-## Emacs mode
-- [Adding A New Language to Emacs](https://www.wilfred.me.uk/blog/2015/03/19/adding-a-new-language-to-emacs/)
-- [The Definitive Guide To Syntax Highlighting](https://www.wilfred.me.uk/blog/2014/09/27/the-definitive-guide-to-syntax-highlighting/)
-
-
-## Mathematics
-- [CS410 course: Advance Functional Programming](https://github.com/pigworker/CS410-18)<br/>
-  If you need to learn Agda (We use it for the mathematics side of Serene, to proof certain features)
-  check out
-
-- [Programming Language Foundations in Agda](https://plfa.github.io/)<br/>
-  This book is an introduction to programming language theory using the proof assistant Agda.
-
-### Curry-Howard correspondence
-- [The formulae-as-types notion of construction](https://www.dcc.fc.up.pt/~acm/howard2.pdf)
-- [Propositions as Types](https://www.youtube.com/watch?v=IOiZatlZtGU)
-
-### Type Theory
-- [Homotopy Type Theory](https://www.cs.cmu.edu/~rwh/courses/hott/)
-- [No, dynamic type systems are not inherently more open](https://lexi-lambda.github.io/blog/2020/01/19/no-dynamic-type-systems-are-not-inherently-more-open/)
-
-- Practical Foundations of Programming Languages
-    + [Online copy (2nd Edition Preview)](http://www.cs.cmu.edu/~rwh/pfpl/2nded.pdf)
-    + [Dead-tree copy (2nd Edition)](https://www.amazon.com/Practical-Foundations-Programming-Languages-Robert/dp/1107150302)
-
-
-- Types and Programming Languages
-    + [Online supplements](http://www.cis.upenn.edu/~bcpierce/tapl/)
-    + [Dead-tree copy](https://mitpress.mit.edu/books/types-and-programming-languages)
-
-- Advanced Topics in Types and Programming Languages
-    + [Online supplements](http://www.cis.upenn.edu/~bcpierce/attapl/)
-    + [Dead-tree copy](http://www.amazon.com/exec/obidos/ASIN/0262162288/benjamcpierce)
-
-
-- The Works of Per Martin-Löf:
-    + [1972](https://github.com/michaelt/martin-lof/blob/master/pdfs/An-Intuitionistic-Theory-of-Types-1972.pdf?raw=true)
-    + [1979](https://github.com/michaelt/martin-lof/blob/master/pdfs/Constructive-mathematics-and-computer-programming-1982.pdf?raw=true)
-    + [1984](https://github.com/michaelt/martin-lof/blob/master/pdfs/Bibliopolis-Book-retypeset-1984.pdf?raw=true)
-    + [The Complete Works of Per Martin-Löf](https://github.com/michaelt/martin-lof)
-
-
-- [Programming In Martin-Löf's Type Theory](http://www.cse.chalmers.se/research/group/logic/book/book.pdf)
-
-- The Works of John Reynolds
-    * [Types, Abstraction and Parametric Polymorphism](http://www.cse.chalmers.se/edu/year/2010/course/DAT140_Types/Reynolds_typesabpara.pdf) (Parametricity for
-     System F)
-    * [A Logic For Shared Mutable State](http://www.cs.cmu.edu/~jcr/seplogic.pdf)
-    * [Course notes on separation logic](http://www.cs.cmu.edu/afs/cs.cmu.edu/project/fox-19/member/jcr/www15818As2011/cs818A3-11.html)
-    * [Course notes on denotational semantics](http://www.cs.cmu.edu/~jcr/cs819-00.html)
-
-- [The HoTT book](http://homotopytypetheory.org/book/)
-- [Student's Notes on HoTT](https://github.com/RobertHarper/hott-notes)
-- [Materials for the Schools and Workshops on UniMath](https://github.com/UniMath/Schools)
-
-### Proof Theory
-
-- Frank Pfenning's Lecture Notes
-     * [Introductory Course](http://www.cs.cmu.edu/~fp/courses/15317-f09/)
-     * [Linear Logic](http://www.cs.cmu.edu/~fp/courses/15816-s12/)
-     * [Modal Logic](http://www.cs.cmu.edu/~fp/courses/15816-s10/)
-
-- [Proofs and Types](http://www.paultaylor.eu/stable/prot.pdf)
-- [The Blind Spot: Lectures on Logic](http://www.ems-ph.org/books/book.php?proj_nr=136&srch=browse_authors%7CGirard%2C+Jean-Yves)
-- [Mustard Watches: An Integrated Approach to Time and Food](http://girard.perso.math.cnrs.fr/mustard/page1.html)
-
-### Category Theory
-
-- Category Theory in Context
-     * [Online version](http://www.math.jhu.edu/~eriehl/context.pdf)
-     * [Dead-tree version](http://store.doverpublications.com/048680903x.html)
-     * [The author's post on the book](https://golem.ph.utexas.edu/category/2016/11/category_theory_in_context.html)
-
-- Practical Foundations of Mathematics
-     * [HTML version](http://www.paultaylor.eu/~pt/prafm/)
-     * [Dead-tree version](https://www.amazon.com/gp/product/0521631076)
-
-- [Category Theory](http://www.amazon.com/Category-Theory-Oxford-Logic-Guides/dp/0199237182/ref=sr_1_1?ie=UTF8&qid=1439348930&sr=8-1&keywords=awodey+category+theory)
-
-- [Ed Morehouse's Category Theory Lecture Notes](https://emorehouse.wescreates.wesleyan.edu/research/notes/intro_categorical_semantics.pdf)
-
-- Categorical Logic and Type Theory
-     * [Jacob's thesis, containing much of what went into the book](http://www.cs.ru.nl/B.Jacobs/PAPERS/PhD.ps)
-     * [A definitely not suspicious online copy](https://people.mpi-sws.org/~dreyer/courses/catlogic/jacobs.pdf)
-     * [Dead-tree copy](https://www.amazon.com/exec/obidos/ASIN/0444501703/qid%3D922441598/002-9790597-0750031)
-
-- [Introduction to Higher-Order Categorical Logic](https://www.amazon.com/Introduction-Higher-Order-Categorical-Cambridge-Mathematics/dp/0521356539/ref=pd_sim_14_5?_encoding=UTF8&psc=1&refRID=V4H286NSZWK4MWDPV17R)
-
-- [Sheaves in Geometry and Logic](https://www.amazon.com/Sheaves-Geometry-Logic-Introduction-Universitext/dp/0387977104)
-
-
-### Others
-
-- [Gunter's "Semantics of Programming Language"](http://www.amazon.com/Semantics-Programming-Languages-Structures-Foundations/dp/0262071436/ref=sr_1_1?ie=UTF8&qid=1439349219&sr=8-1&keywords=gunter+semantics+of+programming+languages)
-
-- [Abramsky and Jung's "Domain Theory"](http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.50.8851)
-
-- [Realizability: An Introduction to Its Categorical Side](https://www.amazon.com/Realizability-Introduction-its-Categorical-Side/dp/0444550208)
-
-
-- OPLSS:<br/>
-  The Oregon Programming Languages Summer School is a 2 week long
-  bootcamp on PLs held annually at the university of Oregon. It's a
-  wonderful event to attend but if you can't make it they record all
-  their lectures anyways! They're taught be a variety of lecturers
-  but they're all world class researchers.
-
-     * [2012](https://www.cs.uoregon.edu/research/summerschool/summer12/curriculum.html)
-     * [2013](https://www.cs.uoregon.edu/research/summerschool/summer13/curriculum.html)
-     * [2014](https://www.cs.uoregon.edu/research/summerschool/summer14/curriculum.html)
-     * [2015](https://www.cs.uoregon.edu/research/summerschool/summer15/curriculum.html)
-     * [2016](https://www.cs.uoregon.edu/research/summerschool/summer16/curriculum.php)
-     * [2017](https://www.cs.uoregon.edu/research/summerschool/summer17/topics.php)
-     * [2018](https://www.cs.uoregon.edu/research/summerschool/summer18/topics.php)

docs/pages/stylesheets/extra.css

@@ -1,18 +0,0 @@
-[data-md-color-scheme=slate] #what-i-cannot-create-i-do-not-understand {
-    color: white;
-    font-weight: 700;
-    margin-bottom: -20px;
-}
-
-[data-md-color-scheme=default] #what-i-cannot-create-i-do-not-understand {
-    color: #2f2f2f;
-    font-weight: 700;
-    margin-bottom: -20px;
-}
-
-.md-typeset .md-annotation__index > ::before {
-  content: attr(data-md-annotation-id);
-}
-.md-typeset :focus-within > .md-annotation__index > ::before {
-  transform: none;
-}

docs/requirements.txt

@@ -1,4 +0,0 @@
-mkdocs-material
-mike
-mkdocs-git-revision-date-localized-plugin
-mkdocs-glightbox

docs/service.yml

@@ -1,48 +0,0 @@
-version: "3.9"
-
-services:
-  serene-docs:
-    image: serenelang/serene-docs
-    environment:
-      USER_UID: 1100
-      USER_GID: 1100
-    security_opt:
-      - no-new-privileges:true
-    networks:
-      - public_lb
-    volumes:
-      - /var/run/docker.sock:/var/run/docker.sock
-
-    deploy:
-      labels:
-        - "traefik.enable=true"
-        - "traefik.http.routers.serene-lang.rule=Host(`serene-lang.org`)"
-        - "traefik.http.routers.serene-lang.entrypoints=websecure"
-        - "traefik.http.routers.serene-lang.tls=true"
-        - "traefik.http.routers.serene-lang.tls.certresolver=default"
-        - "traefik.http.services.serene-lang-web.loadbalancer.server.port=3000"
-        - "traefik.http.services.serene-lang-web.loadbalancer.server.scheme=http"
-        - "traefik.http.routers.serene-lang.service=serene-lang-web"
-        - "traefik.docker.network=public_lb"
-        - "traefik.http.middlewares.serene-lang-ratelimit.ratelimit.average=50"
-        - "traefik.http.middlewares.serene-lang-ratelimit.ratelimit.burst=10"
-        - "traefik.http.routers.serene-lang.middlewares=serene-lang-ratelimit"
-      mode: replicated
-      replicas: 1
-      restart_policy:
-        condition: on-failure
-        max_attempts: 3
-      update_config:
-        parallelism: 1
-        delay: 5s
-        order: stop-first
-
-    logging:
-      options:
-        max-size: "10m"
-        max-file: "3"
-
-networks:
-  public_lb:
-    external: true
-    name: public_lb

docs/spec.org

@@ -1,80 +0,0 @@
-#+TITLE: Serene's Language Specification
-#+AUTHOR: Sameer Rahmani
-#+SEQ_TODO: TODO(t/!) | DONE(d%)
-#+TAGS:
-#+STARTUP: logdrawer logdone logreschedule indent content align constSI entitiespretty nolatexpreview
-#+OPTIONS: tex:t
-#+HTML_MATHJAX: align: left indent: 5em tagside: left font: Neo-Eule
-# book style has to be remapped to koma scripts scrbook
-#+LATEX_CLASS: book
-#+LATEX_HEADER: \usepackage[english]{babel}
-#+LATEX_CLASS_OPTIONS: [fontsize=11pt,paper=a5, pagesize=auto]
-#+LATEX_HEADER: \KOMAoptions{fontsize=11pt}
-#+LATEX_HEADER: \usepackage[utf8]{inputenc}
-#+LATEX_HEADER: \usepackage{microtype}
-#+LATEX_HEADER: \usepackage{pxfonts}
-
-#+LATEX_HEADER: \usepackage{amsmath}
-#+LATEX_HEADER: \usepackage{amssymb}
-#+LATEX_HEADER: \usepackage{mathabx}
-
-#+LATEX_HEADER: \usepackage{tcolorbox}
-#+LATEX_HEADER: \setlength{\parskip}{1em}
-
-#+LATEX_HEADER: \newtcolorbox{infobox}[2][]{colback=cyan!5!white,before skip=14pt,after skip=8pt,colframe=cyan!75!black,sharp corners,title={#2},#1}
-#+LATEX_HEADER: \newcommand\tab[1][1cm]{\hspace*{#1}}
-#+LATEX_HEADER: \let\oldsection\section
-#+LATEX_HEADER: \newcommand\caution[1]{\textcolor{blue}{\textbf{#1}}}
-#+LATEX_HEADER: \renewcommand\section{\pagebreak\oldsection}
-#+LATEX_HEADER: \hypersetup{hidelinks}
-
-#+LATEX_HEADER: \renewcommand{\contentsname}{Serene's Spec}
-
-\clearpage\null\newpage
-
-\chapter{Overview of Serene}
-
-* Basic Types
-
-* Special Forms
-
-** ~def~:
-~def~ has the following form:
-
-#+BEGIN_SRC lisp
-  (def <NAME> <VALUE>)
-#+END_SRC
-
-- Defines a global binding
-- Returns the name of the binding as a symbol
-- ~<NAME>~ has to be a symbol
-- If ~def~ is not a top level expression, it will create an ~undef~ global binding which
-  will be set to the ~<VALUE>~ when the execution flow reaches the ~def~ itself.
-
-* Libraries
-In terms of static and dynamic libraries, If the library is a Serene library
-meaning that it is designed to only work with serene (we will see how in a bit), then
-whatever namespaces that it contains will be added to the compiler and all those
-namespaces will be map to the library (all the namespaces will point to the same JITDylib).
-
-But if the library is a generic static or dynamic library a namespace with the same
-name as the library minus the suffix will be added to the compiler, for example ~libssh.so~
-will be mapped to ~libssh~ namespace.
-** Static
-
-** Dynamic
-
-** Object
-* Unsorted
-** Eval
-Evaluating any form using =eval= will add the form to the namespace containing the
-=eval= expression.
-* Glossary
-- Symbol :: A Lisp Symbol. Just a symbol. A name that might be bound to a value
-  and evaluates to the value.
-- IR Symbol :: The ~Symbol~ infrastructure essentially provides a non-SSA mechanism in which to refer to an
-operation in IR symbolically with a name. On MLIR level they are different from *native symbols*
-even though we use them to refer to *native symbols*. But they don't necessarily map to
- *native symbols*.
-- Native Sybol :: As the name suggests native symbols refer to native code symbols. Like those you find in an
-object file.

docs/videos.org

@@ -5,21 +5,21 @@
 
 * DONE Episode 1 - Introduction
 ** What is it all about?
-- Create a programming lang
-- Guide for contributors
-- A LLVM/MLIR guide
+  - Create a programming lang
+  - Guide for contributors
+  - A LLVM/MLIR guide
 ** The Plan
-- Git branches
-- No live coding
-- Feel free to contribute
+  - Git branches
+  - No live coding
+  - Feel free to contribute
 ** Serene and a bit of history
-- Other Implementations
-- Requirements
-  - C++ 14
-  - CMake
-- Repository: https://devheroes.codes/Serene
-- Website: lxsameer.com
-  Email: lxsameer@gnu.org
+  - Other Implementations
+  - Requirements
+    - C++ 14
+    - CMake
+  - Repository: https://devheroes.codes/Serene
+  - Website: lxsameer.com
+    Email: lxsameer@gnu.org
 * DONE Episode 2 - Basic Setup
 CLOSED: [2021-07-10 Sat 09:04]
 ** Installing Requirements
@@ -230,41 +230,41 @@ the following code blocks. Both of those are distributed with the LLVM.
 
 *** General syntax
 #+BEGIN_SRC mlir
-  %result:2 = "somedialect.blah"(%x#2) { some.attribute = true, other_attribute = 3 }
-  : (!somedialect<"example_type">) -> (!somedialect<"foo_s">, i8)
-  loc(callsite("main" at "main.srn":10:8))
+   %result:2 = "somedialect.blah"(%x#2) { some.attribute = true, other_attribute = 3 }
+               : (!somedialect<"example_type">) -> (!somedialect<"foo_s">, i8)
+                  loc(callsite("main" at "main.srn":10:8))
 #+END_SRC
 
 *** Blocks and Regions
 #+BEGIN_SRC mlir
   func @simple(i64, i1) -> i64 {
   ^bb0(%a: i64, %cond: i1): // Code dominated by ^bb0 may refer to %a
-  cond_br %cond, ^bb1, ^bb2
+    cond_br %cond, ^bb1, ^bb2
 
   ^bb1:
-  br ^bb3(%a: i64)    // Branch passes %a as the argument
+    br ^bb3(%a: i64)    // Branch passes %a as the argument
 
   ^bb2:
-  %b = addi %a, %a : i64
-  br ^bb3(%b: i64)    // Branch passes %b as the argument
+    %b = addi %a, %a : i64
+    br ^bb3(%b: i64)    // Branch passes %b as the argument
 
   // ^bb3 receives an argument, named %c, from predecessors
   // and passes it on to bb4 along with %a. %a is referenced
   // directly from its defining operation and is not passed through
   // an argument of ^bb3.
   ^bb3(%c: i64):
-  //br ^bb4(%c, %a : i64, i64)
-  "serene.ifop"(%c) ({ // if %a is in-scope in the containing region...
-  // then %a is in-scope here too.
-  %new_value = "another_op"(%c) : (i64) -> (i64)
+    //br ^bb4(%c, %a : i64, i64)
+    "serene.ifop"(%c) ({ // if %a is in-scope in the containing region...
+         // then %a is in-scope here too.
+          %new_value = "another_op"(%c) : (i64) -> (i64)
 
-  ^someblock(%new_value):
-  %x = "some_other_op"() {value = 4 : i64} : () -> i64
+          ^someblock(%new_value):
+            %x = "some_other_op"() {value = 4 : i64} : () -> i64
 
-  }) : (i64) -> (i64)
+    }) : (i64) -> (i64)
   ^bb4(%d : i64, %e : i64):
-  %0 = addi %d, %e : i64
-  return %0 : i64   // Return is also a terminator.
+    %0 = addi %d, %e : i64
+    return %0 : i64   // Return is also a terminator.
   }
 #+END_SRC
 
@@ -277,15 +277,15 @@ Command line arguments to emir =slir=
 Output:
 #+BEGIN_SRC mlir
   module @user  {
-  %0 = "serene.fn"() ( {
-  %2 = "serene.value"() {value = 0 : i64} : () -> i64
-  return %2 : i64
-  }) {args = {}, name = "main", sym_visibility = "public"} : () -> i64
+    %0 = "serene.fn"() ( {
+      %2 = "serene.value"() {value = 0 : i64} : () -> i64
+      return %2 : i64
+    }) {args = {}, name = "main", sym_visibility = "public"} : () -> i64
 
-  %1 = "serene.fn"() ( {
-  %2 = "serene.value"() {value = 0 : i64} : () -> i64
-  return %2 : i64
-  }) {args = {n = i64, v = i64, y = i64}, name = "main1", sym_visibility = "public"} : () -> i64
+    %1 = "serene.fn"() ( {
+      %2 = "serene.value"() {value = 0 : i64} : () -> i64
+      return %2 : i64
+    }) {args = {n = i64, v = i64, y = i64}, name = "main1", sym_visibility = "public"} : () -> i64
   }
 #+END_SRC
 
@@ -298,16 +298,16 @@ Command line arguments to emir =mlir=
 
 Output:
 #+BEGIN_SRC mlir
-  module @user  {
+module @user  {
   func @main() -> i64 {
-  %c3_i64 = constant 3 : i64
-  return %c3_i64 : i64
+    %c3_i64 = constant 3 : i64
+    return %c3_i64 : i64
   }
   func @main1(%arg0: i64, %arg1: i64, %arg2: i64) -> i64 {
-  %c3_i64 = constant 3 : i64
-  return %c3_i64 : i64
-  }
+    %c3_i64 = constant 3 : i64
+    return %c3_i64 : i64
   }
+}
 #+END_SRC
 
 *** LIR
@@ -318,16 +318,16 @@ Command line arguments to emir =lir=
 
 Output:
 #+BEGIN_SRC mlir
-  module @user  {
+module @user  {
   llvm.func @main() -> i64 {
-  %0 = llvm.mlir.constant(3 : i64) : i64
-  llvm.return %0 : i64
+    %0 = llvm.mlir.constant(3 : i64) : i64
+    llvm.return %0 : i64
   }
   llvm.func @main1(%arg0: i64, %arg1: i64, %arg2: i64) -> i64 {
-  %0 = llvm.mlir.constant(3 : i64) : i64
-  llvm.return %0 : i64
-  }
+    %0 = llvm.mlir.constant(3 : i64) : i64
+    llvm.return %0 : i64
   }
+}
 #+END_SRC
 
 *** LLVMIR
@@ -338,36 +338,36 @@ Command line arguments to emir =llvmir=
 
 Output:
 #+BEGIN_SRC llvm
-  target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
-  target triple = "x86_64-unknown-linux-gnu"
+target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
 
-  declare i8* @malloc(i64 %0)
+declare i8* @malloc(i64 %0)
 
-  declare void @free(i8* %0)
+declare void @free(i8* %0)
 
-  define i64 @main() !dbg !3 {
+define i64 @main() !dbg !3 {
   ret i64 3, !dbg !7
-  }
+}
 
-  define i64 @main1(i64 %0, i64 %1, i64 %2) !dbg !9 {
+define i64 @main1(i64 %0, i64 %1, i64 %2) !dbg !9 {
   ret i64 3, !dbg !10
-  }
+}
 
-  !llvm.dbg.cu = !{!0}
-  !llvm.module.flags = !{!2}
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!2}
 
-  !0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "mlir", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)
-  !1 = !DIFile(filename: "LLVMDialectModule", directory: "/")
-  !2 = !{i32 2, !"Debug Info Version", i32 3}
-  !3 = distinct !DISubprogram(name: "main", linkageName: "main", scope: null, file: !4, type: !5, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !6)
-  !4 = !DIFile(filename: "REPL", directory: "/home/lxsameer/src/serene/serene/build")
-  !5 = !DISubroutineType(types: !6)
-  !6 = !{}
-  !7 = !DILocation(line: 0, column: 10, scope: !8)
-  !8 = !DILexicalBlockFile(scope: !3, file: !4, discriminator: 0)
-  !9 = distinct !DISubprogram(name: "main1", linkageName: "main1", scope: null, file: !4, line: 1, type: !5, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !6)
-  !10 = !DILocation(line: 1, column: 11, scope: !11)
-  !11 = !DILexicalBlockFile(scope: !9, file: !4, discriminator: 0)
+!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "mlir", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)
+!1 = !DIFile(filename: "LLVMDialectModule", directory: "/")
+!2 = !{i32 2, !"Debug Info Version", i32 3}
+!3 = distinct !DISubprogram(name: "main", linkageName: "main", scope: null, file: !4, type: !5, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !6)
+!4 = !DIFile(filename: "REPL", directory: "/home/lxsameer/src/serene/serene/build")
+!5 = !DISubroutineType(types: !6)
+!6 = !{}
+!7 = !DILocation(line: 0, column: 10, scope: !8)
+!8 = !DILexicalBlockFile(scope: !3, file: !4, discriminator: 0)
+!9 = distinct !DISubprogram(name: "main1", linkageName: "main1", scope: null, file: !4, line: 1, type: !5, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !6)
+!10 = !DILocation(line: 1, column: 11, scope: !11)
+!11 = !DILexicalBlockFile(scope: !9, file: !4, discriminator: 0)
 #+END_SRC
 
 ** Resources
@@ -377,8 +377,7 @@ Output:
 - https://mlir.llvm.org/docs/LangRef
 - https://en.wikipedia.org/wiki/Basic_block
 
-* DONE Episode 9 - IR (SLIR) generation
-CLOSED: [2021-10-01 Fri 18:56]
+* Episode 9 - IR (SLIR) generation
 ** Updates:
 - Source manager
 - Diagnostic Engine
@@ -403,680 +402,3 @@ There will be an episode dedicated to eache of these
 - [X] Setup the tablegen
 - [X] Define the operations
 - [X] Walk the AST and generate the operations
-
-* DONE Episode 10 - Pass Infrastructure
-CLOSED: [2021-10-15 Fri 14:17]
-** The next Step
-** Updates:
-*** CMake changes
-** What is a Pass
-*** Passes are the unit of abstraction for optimization and transformation in LLVM/MLIR
-*** Compilation is all about transforming the input data and produce an output
-
-Source code -> IR X -> IR Y -> IR Z -> ... -> Target Code
-
-*** Almost like a function composition
-*** The big picture
-*** Pass Managers (Pipelines) are made out of a collection of passes and can be nested
-*** The most of the interesting parts of the compiler reside in Passes.
-*** We will probably spend most of our time working with passes
-
-** Pass Infrastructure
-*** ODS or C++
-*** Operation is the main abstract unit of transformation
-*** OperationPass is the base class for all the passes.
-*** We need to override =runOnOperation=
-*** There's some rules you need to follow when defining your Pass
-**** Must not maintain any global mutable state
-**** Must not modify the state of another operation not nested within the current operation being operated on
-**** ...
-
-*** Passes are either OpSpecific or OpAgnostic
-**** OpSpecific
-#+BEGIN_SRC C++
-  struct MyFunctionPass : public PassWrapper<MyFunctionPass,
-                                             OperationPass<FuncOp>> {
-    void runOnOperation() override {
-      // Get the current FuncOp operation being operated on.
-      FuncOp f = getOperation();
-
-      // Walk the operations within the function.
-      f.walk([](Operation *inst) {
-        // ....
-      });
-    }
-  };
-
-  /// Register this pass so that it can be built via from a textual pass pipeline.
-  /// (Pass registration is discussed more below)
-  void registerMyPass() {
-    PassRegistration<MyFunctionPass>();
-  }
-#+END_SRC
-**** OpAgnostic
-#+BEGIN_SRC C++
-  struct MyOperationPass : public PassWrapper<MyOperationPass, OperationPass<>> {
-    void runOnOperation() override {
-      // Get the current operation being operated on.
-      Operation *op = getOperation();
-      // ...
-    }
-  };
-#+END_SRC
-*** How transformation works?
-*** Analyses and Passes
-*** Pass management and nested pass managers
-#+BEGIN_SRC C++
-  // Create a top-level `PassManager` class. If an operation type is not
-  // explicitly specific, the default is the builtin `module` operation.
-  PassManager pm(ctx);
-
-  // Note: We could also create the above `PassManager` this way.
-  PassManager pm(ctx, /*operationName=*/"builtin.module");
-
-  // Add a pass on the top-level module operation.
-  pm.addPass(std::make_unique<MyModulePass>());
-
-  // Nest a pass manager that operates on `spirv.module` operations nested
-  // directly under the top-level module.
-  OpPassManager &nestedModulePM = pm.nest<spirv::ModuleOp>();
-  nestedModulePM.addPass(std::make_unique<MySPIRVModulePass>());
-
-  // Nest a pass manager that operates on functions within the nested SPIRV
-  // module.
-  OpPassManager &nestedFunctionPM = nestedModulePM.nest<FuncOp>();
-  nestedFunctionPM.addPass(std::make_unique<MyFunctionPass>());
-
-  // Run the pass manager on the top-level module.
-  ModuleOp m = ...;
-  if (failed(pm.run(m))) {
-    // Handle the failure
-   }
-#+END_SRC
-
-* DONE Episode 11 - Lowering SLIR
-CLOSED: [2021-11-01 Mon 15:14]
-** Overview
-- What is a Pass?
-- Pass Manager
-** Dialect lowering
-*** Why?
-*** Transforming a dialect to another dialect or LLVM IR
-*** The goal is to lower SLIR to LLVM IR directly or indirectly.
-** Dialect Conversions
-This framework allows for transforming a set of illegal operations to a set of legal ones.
-*** Target Conversion
-*** Rewrite Patterns
-*** Type Converter
-** Full vs Partial Conversion
-* DONE Episode 12 - Target code generation
-CLOSED: [2021-11-04 Thu 00:57]
-** Updates:
-*** JIT work
-*** Emacs dev mode
-** So far....
-** Next Step
-*** Compile to object files
-*** Link object files to create an executable
-** End of wiring for static compilers
-** What is an object file?
-*** Symbols
-- A pair of a name and a value
-- Value of a *defined symbol* is an offset in the =Content=
-- *undefined symbols*
-*** Relocations
-Are computation to perform on the =Content=. For example, "set
-this location in the contents to the value of this symbol plus this addend".
-
-Linker will apply all the *relocations* in an object file on link time and if
-it can not resolve an undefined symbol most of the time it will raise an
-error (depending on the relocation and the symbol).
-
-*** Contents
-- Are what memory should look like during the execution
-- Have a size
-- Have a type
-- Have an array of bytes
-- Has sections like:
-  + .text: The target code generated by the compiler
-  + .data: The values of initialized variables
-  + .rdata: Static unnamed data like literal strings, protocol tables and ....
-  + .bss: Uninitialized variables (the content can be omitted or striped and assume
-    to contain only zeros)
-** Linking process
-During the linking process, linker assigns an address to each *defined* symbol
-and tries to =resolve= *undefined* symbols
-*** Linker will
-- reads the object files
-- reads the contents
-  + as raw data
-  + figures out the length
-  + reads the symbols and create a symbol table
-  + link undefined symbols to their definitions (possibly from other obj fils or libs)
-  + decide where all the content should go in the memory
-  + sort them based on the *type*
-  + concat them together
-  + apply relocations
-  + write the result to a file as an executable
-** AOT vs JIT
-** Let's look at some code
-** Resources:
-- [[https://lwn.net/Articles/276782/][20 part linker essay]]
-* DONE Episode 13 - Source Managers
-CLOSED: [2021-12-18 Sat 11:17]
-** FAQ:
-- What tools are you using?
-
-** Updates:
-- Still JIT
-- We're going to start the JIT discussion from next EP
-
-** Forgot to show case the code generation
-I didn't show it in action
-
-** What is a source manager
-- It owns and manages are the source buffers
-- All of our interactions with source files will happen though Source manager
-  - Including reading files
-  - Loading namespaces
-  - Including namespaces
-  - ...
-
-- LLVM provides a =SourceMgr= class that we're not using it
-* DONE Episode 14 - JIT Basics
-CLOSED: [2022-01-05 Wed 17:37]
-** Updates:
-- Lost my data :_(
-- Fixed some compatibility issues
-- New video series on *How to build an editor with Emacs Lisp*
-
-** What is Just In Time Compilation?
-- Compiling at "runtime" (air quote)
-  Or it might be better to say, "on demand compilation"
-- Usually in interpreters and Runtimes
-
-#+NAME: ep-14-jit-1
-#+BEGIN_SRC graphviz-dot :file /tmp/jit.svg :cmdline -Kdot -Tsvg
-  digraph {
-    graph [bgcolor=transparent]
-    node [color=gray80 shape="box"]
-    edge [color=gray80]
-    rankdir = "LR"
-
-    a[label="Some kind of input code"]
-    b[label="JIT"]
-    c[label="Some sort of target code"]
-    d[label="Execute the result"]
-    a -> b -> c -> d
-  }
-#+END_SRC
-
-#+RESULTS: ep-14-jit-1
-[[file:/tmp/jit.svg]]
-
-
-
-#+NAME: ep-14-jit-2
-#+BEGIN_SRC graphviz-dot :file /tmp/jit-2.svg :cmdline -Kdot -Tsvg
-
-  digraph G {
-        graph [bgcolor=transparent]
-        node [color=gray80 shape="box"]
-        edge [color=gray80]
-        rankdir = "LR"
-
-        a[label="Source code"]
-        b[label="Parser"]
-        c[label="Semantic Analyzer"]
-        d[label="IR Generator"]
-        e[label="Pass Manager"]
-        f[label="Object Layer"]
-        g[label="Native Code"]
-        z[label="Preload Core libs"]
-        a -> b
-        b -> c {label="AST"}
-        c -> d
-        z -> f
-        subgraph cluster0 {
-            color=lightgrey;
-            d -> e -> f
-            label = "JIT Engine";
-        }
-        f -> g
-        g -> Store
-        g -> Execute
-  }
-#+END_SRC
-
-#+RESULTS: ep-14-jit-2
-[[file:/tmp/jit-2.svg]]
-
-
-- Trade off
-  Compilation speed vs Execution speed
-*** JIT vs Typical interpreters
-
-** Why to use JIT?
-- Make the interpreter to run "faster" (air quote again)
-- Speed up the compilation
-  Avoid generating the target code and generate some byte-code instead
-  and then use a JIT in runtime to execute the byte-code.
-- Use runtime data to find optimization opportunities.
-- Support more archs
-- And many other reasons
-** How we're going to use a JIT?
-- We need a JIT engine to implement Lisp Macros
-- Compile time vs Runtime
-  + Abstraction
-- A JIT engine to just compile Serene code
-- Our compiler will be a fancy JIT engine
-
-#+NAME: ep-14-jit-3
-#+BEGIN_SRC graphviz-dot :file /tmp/jit-3.svg :cmdline -Kdot -Tsvg
-  digraph {
-    graph [bgcolor=transparent]
-    node [color=gray80 shape="box"]
-    edge [color=gray80]
-    rankdir = "LR"
-
-    a[label="Serene AST"]
-    b[label="For every node"]
-    c[label="is it a macro call?" shapp="diamond"]
-    d[label="Add it to JIT"]
-    e[label="Expand it (call it)"]
-    f[label="Generate target code"]
-    a -> b
-
-
-    subgraph cluster0 {
-        color=lightgrey;
-        b -> c
-        c -> d [label="NO"]
-        c -> e [label="YES"]
-        e -> b
-        d -> f
-        label = "JIT Engine";
-    }
-
-    f -> Store
-    f -> Execute
-  }
-#+END_SRC
-
-#+RESULTS: ep-14-jit-3
-[[file:/tmp/jit-3.svg]]
-
-
-** LLVM/MLIR and JIT
-- 3 different approaches
-- MLIR's JIT
-- LLVM JITs
-  + MCJIT (Deprecated)
-  + LLJIT (Based on ORCv2)
-  + LazyLLJIT (Based on LLJIT)
-- Use LLVM's ORCv2 directly to create an engine
-* DONE Episode 15 - LLVM ORC JIT
-CLOSED: [2022-01-28 Fri 12:15]
-** Uptades:
-- Created a bare min JIT that:
-  - Eagrly compiles namespaces
-  - Reload namespacs
-- I guess this the time to start the Serene's Spec
-
-** What is ORCv2?
-- On request compiler
-- Replaces MCJIT
-- ORCv2 docs and examples
-- Kaleidoscope tutorial (not complete)
-
-Before We can move to Serene's code we need to understand ORC first
-
-** Terminology
-*** Execution Session
-A running JIT program. It contains the JITDylibs, error reporting mechanisms, and dispatches
-the materializers.
-
-*** JITAddress
-It's just an address of a JITed code
-
-*** JITDylib
-Represents a JIT'd dynamic library.
-
-This class aims to mimic the behavior of a shared object, but without requiring
-the contained program representations to be compiled up-front. The JITDylib's
-content is defined by adding MaterializationUnits, and contained MaterializationUnits
-will typically rely on the JITDylib's links-against order to resolve external references.
-
-JITDylibs cannot be moved or copied. Their address is stable, and useful as
-a key in some JIT data structures.
-
-*** MaterializationUnit
-  A =MaterializationUnit= represents a set of symbol definitions that can
-  be materialized as a group, or individually discarded (when
-  overriding definitions are encountered).
-
- =MaterializationUnits= are used when providing lazy definitions of symbols to
-  JITDylibs. The JITDylib will call materialize when the address of a symbol
-  is requested via the lookup method. The =JITDylib= will call discard if a
-  stronger definition is added or already present.
-
-  MaterializationUnit stores in JITDylibs.
-
-*** MaterializationResponsibility
-  Represents and tracks responsibility for materialization and mediates interactions between
- =MaterializationUnits= and =JITDylibs=. It provides a way for Dylib to find out about the outcome
-  of the materialization.
-
-*** Memory Manager
-A class that manages how JIT engine should use memory, like allocations and deallocations.
-=SectionMemoryManager= is a simple memory manager that is provided by ORC.
-
-*** Layers
-ORC based JIT engines are constructed from several layers. Each layer has a specific responsiblity
-and passes the result of its operation to the next layer. E.g Compile Layer, Link layer and ....
-
-*** Resource Tracker
-The API to remove or transfer the ownership of JIT resources. Usually, a resource is a module.
-
-*** ThreadSafeModule
-A thread safe container for the LLVM module.
-
-** ORC highlevel API
-- ORC provides a Layer based design to that let us create our own JIT engine.
-- It comes with two ready to use engines:
-  We will look at their implementaion later
-  + LLJIT
-  + LLLazyJIT
-
-** Two major solutions to build a JIT
-- Wrap LLJIT or LLLazyJIT
-- Create your own JIT engine and the wrapper
-
-** Resources
-*** Docs
-- https://www.llvm.org/docs/ORCv2.html
-
-*** Examples
-- https://github.com/llvm/llvm-project/tree/main/llvm/examples/HowToUseLLJIT
-- https://github.com/llvm/llvm-project/tree/main/llvm/examples/OrcV2Examples/LLJITDumpObjects
-- https://github.com/llvm/llvm-project/tree/main/llvm/examples/OrcV2Examples/LLJITWithInitializers
-- https://github.com/llvm/llvm-project/tree/main/llvm/examples/OrcV2Examples/LLJITWithLazyReexports
-
-*** Talks
-- [[https://www.youtube.com/watch?v=i-inxFudrgI][ORCv2 -- LLVM JIT APIs Deep Dive]]
-- [[https://www.youtube.com/watch?v=MOQG5vkh9J8][Updating ORC JIT for Concurrency]]
-- [[https://www.youtube.com/watch?v=hILdR8XRvdQ][ORC -- LLVM's Next Generation of JIT API]]
-* DONE Eposide 16 - ORC Layers
-CLOSED: [2022-02-26 Sat 12:50]
-** Updates:
-*** Support for adding AST directly to the JIT
-*** Minor change to SLIR (big changes are coming)
-*** Started to unify the llvm::Errors with Serene errors
-*** Tablegen backend for error classes
-** The plan for today
-- We had a brief look at LLJIT/LLLazyJIT
-- Better understanding
-  To understand them better we need to understand other components first. Starting from *layers*.
-- We'll have a look at how to define our own layers in the future episodes.
-
-** What are Layers?
-- Layers are the basic blocks of an engine
-- They are composable (kinda)
-- Each layer has it's own requirements and details
-- Each layer holds a reference to it's downstream layer
-
-#+NAME: ep-16-jit-1
-#+BEGIN_SRC graphviz-dot :file /tmp/ep16-1.svg :cmdline -Kdot -Tsvg
-  digraph {
-    graph [bgcolor=transparent]
-    node [color=gray80 shape="box"]
-    edge [color=gray80]
-    rankdir = "LR"
-
-    a[label="Input Type A"]
-    b[label="Input Type B"]
-    c[label="Layer A"]
-    d[label="Layer B"]
-    e[label="Layer C"]
-    f[label="Layer D"]
-    g[label="Layer E"]
-    h[label="Target Code"]
-    a -> c
-    b -> d
-
-    subgraph cluster0 {
-        color=lightgrey;
-        c -> e
-        d -> e
-        e -> f
-        f -> g
-
-        label = "JIT Engine";
-    }
-
-    g -> h
-  }
-#+END_SRC
-
-#+RESULTS: ep-16-jit-1
-[[file:/tmp/ep16-1.svg]]
-
-** Kaleidoscope JIT
-
-- Chapter 1
-
-#+NAME: ep-16-jit-2
-#+BEGIN_SRC graphviz-dot :file /tmp/ep16-2.svg :cmdline -Kdot -Tsvg
-  digraph {
-    graph [bgcolor=transparent]
-    node [color=gray80 shape="box"]
-    edge [color=gray80]
-    rankdir = "LR"
-
-    a[label="LLVM IR Module"]
-    b[label="Compiler Layer"]
-    c[label="Object Layer"]
-    d[label="Target Code"]
-
-    a -> b
-
-    subgraph cluster0 {
-        color=lightgrey;
-        b -> c
-
-        label = "Kaleidoscope JIT";
-    }
-
-    c -> d
-  }
-#+END_SRC
-
-#+RESULTS: ep-16-jit-2
-[[file:/tmp/ep16-2.svg]]
-
-- Chapter 2
-#+NAME: ep-16-jit-3
-#+BEGIN_SRC graphviz-dot :file /tmp/ep16-3.svg :cmdline -Kdot -Tsvg
-  digraph {
-    graph [bgcolor=transparent]
-    node [color=gray80 shape="box"]
-    edge [color=gray80]
-    rankdir = "LR"
-
-    a[label="LLVM IR Module"]
-    b[label="Compiler Layer"]
-    c[label="Object Layer"]
-    e[label="Target Code"]
-    d[label="Optimize layer"]
-    a -> d
-
-    subgraph cluster0 {
-        color=lightgrey;
-        d -> b
-        b -> c
-
-        label = "Kaleidoscope JIT";
-    }
-
-    c -> e
-  }
-#+END_SRC
-
-#+RESULTS: ep-16-jit-3
-[[file:/tmp/ep16-3.svg]]
-
-* DONE Episode 17 - Custom ORC Layers
-CLOSED: [2022-03-28 Mon 14:00]
-** Updates:
-- Finished the basic compiler wiring
-- Restructured the source tree
-- Tweaked the build system mostly for install targets
-- Refactoring, cleaning up the code and writing tests
-** Quick overview an ORC based JIT engine
-- JIT engines are made out of layers
-- Engines have a hierarchy of layers
-- Layers don't know about each other
-- Layers wrap the program representation in a =MaterializationUnit=, which is
-  then stored in the =JITDylib=.
-- =MaterializationUnits= are responsible for describing the definitions they provide,
-  and for unwrapping the program representation and passing it back to the layer when
-  compilation is required.
-- When a =MaterializationUnit= hands a program representation back to the layer it comes
-  with an associated =MaterializationResponsibility= object. This object tracks the
-  definitions that must be materialized and provides a way to notify the =JITDylib= once
-  they are either successfully materialized or a failure occurs.
-
-** In order to build a custom layer we need:
-*** A custom materialization unit
-Let's have a look at the =MaterializationUnit= class.
-
-*** And the layer class itself
-The layer classes are not special but conventionally the come with few functions
-like: =add=, =emit= and =getInterface=.
-
-* DONE Episode 18 - JIT Engine Part 1
-CLOSED: [2022-03-29 Tue 19:56]
-** =Halley= JIT Engine
-- It's not the final implementation
-- Wraps LLJIT and LLLazyJIT
-- Uses object cache layer
-- Supports ASTs and Namespaces
-
-* DONE Episode 19 - JIT Engine Part 2
-CLOSED: [2022-05-04 Wed 21:30]
-** How Serene is different from other programming langs?
-- Serene is just a JIT engine
-- Compiletime vs Runtime
-  + The borderline is not clear in case of Serene
-
-The Big picture
-#+NAME: ep-19-jit-1
-#+BEGIN_SRC graphviz-dot :file /tmp/ep19-1.svg :cmdline -Kdot -Tsvg
-digraph {
-    fontcolor="gray80"
-
-    graph [bgcolor=transparent]
-    node [color=gray80 shape="box", fontcolor="gray80"]
-    edge [color=gray80, fontcolor="gray80"]
-
-
-    input_ns[label="Input Namespace"]
-
-    ast[label="AST"]
-    vast[label="Valid AST"]
-    ir[label="LLVM IR"]
-
-    subgraph cluster_2 {
-        label="REPL"
-        color="gray80"
-
-        graph [bgcolor=transparent, fontcolor="gray80"]
-        node [color=gray80 shape="box", fontcolor="gray80"]
-
-        input_form[label="Input Form"]
-        result[label="Evaluation result"]
-        result -> input_form[label="Loop"]
-}
-
-subgraph cluster_0 {
-    label="JIT"
-    color="gray80"
-
-    graph [bgcolor=transparent, fontcolor="gray80"]
-    node [color=gray80 shape="box", fontcolor="gray80"]
-
-
-    execute[label="Execute native code"]
-    binary[label="Binary File"]
-
-    subgraph cluster_1 {
-        label="AddAst/Ns"
-        color="gray80"
-
-        graph [bgcolor=transparent, fontcolor="gray80"]
-        node [color=gray80 shape="box", fontcolor="gray80"]
-
-        vast -> ir [label="Compile (No optimization)"]
-
-        subgraph cluster_4 {
-            label="Macro Expansion"
-            color="gray80"
-
-            graph [bgcolor=transparent, fontcolor="gray80"]
-            node [color=gray80 shape="box", fontcolor="gray80"]
-
-            vast -> macros [label=" Find the macros"]
-            macros -> JITDylib [label=" look up the required\n Symbols in compiled code"]
-            JITDylib -> symbols [label=" lookup"]
-        }
-
-        wrapped_code[lable="Wrapped IR"]
-        ir -> wrapped_code[label= " Wrap top level Forms in \nfunctions/calls"]
-        wrapped_code -> native [label=" Compile (No optimization)"]
-    }
-
-    symbols -> execute [label="Execute the functions mapped to the symbols"]
-    execute -> vast
-    execute -> result [label=" Print"]
-    execute -> binary [label=" Dump"]
-
-    native ->  execute [label="invoke"]
-    native -> JITDylib [label="Add"]
-    JITDylib -> Context [label="Store as part the namespace"]
-  }
-
-  subgraph cluster_3 {
-    label="CLI interface"
-    color="gray80"
-
-    graph [bgcolor=transparent, fontcolor="gray80"]
-    node [color=gray80 shape="box", fontcolor="gray80"]
-
-    input_ns -> file [label=" resolve to file"]
-  }
-
-  input_form -> ast [label=" read"]
-  file -> ast [label=" read"]
-  ast -> vast [label=" Semantic Analysis"]
-}
-#+END_SRC
-
-#+RESULTS: ep-19-jit-1
-[[file:/tmp/ep19-1.png]]
-** Let's look at some code
-* Episode 20 - Future Roadmap
-** So Far
-- We created a bare bone and minimal compiler
-  + That is capable of just in time and ahead of time compilation
-- We had an over of MLIR and pass management
-- We didn't spend time on fundamentals
-** Design change
-- The current implementation is suitable for a static compiler
-- We want to move toward a more dynamic compiler
-** What's next?
-- Part 2
-- We're going to focus on some of the compiler fundamentals
-- We will create simple utilities to help us in our journey
-- Hopefully we will talk about type systems
-- We're going to sharpen our skills on LLVM/MLIR
-- I'm going to work on the new design

flake.lock

@@ -1,149 +0,0 @@
-{
-  "nodes": {
-    "flake-compat": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1696426674,
-        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
-        "type": "github"
-      },
-      "original": {
-        "owner": "edolstra",
-        "repo": "flake-compat",
-        "type": "github"
-      }
-    },
-    "flake-parts": {
-      "inputs": {
-        "nixpkgs-lib": "nixpkgs-lib"
-      },
-      "locked": {
-        "lastModified": 1715865404,
-        "narHash": "sha256-/GJvTdTpuDjNn84j82cU6bXztE0MSkdnTWClUCRub78=",
-        "owner": "hercules-ci",
-        "repo": "flake-parts",
-        "rev": "8dc45382d5206bd292f9c2768b8058a8fd8311d9",
-        "type": "github"
-      },
-      "original": {
-        "owner": "hercules-ci",
-        "repo": "flake-parts",
-        "type": "github"
-      }
-    },
-    "git-hooks": {
-      "inputs": {
-        "flake-compat": "flake-compat",
-        "gitignore": "gitignore",
-        "nixpkgs": "nixpkgs",
-        "nixpkgs-stable": "nixpkgs-stable"
-      },
-      "locked": {
-        "lastModified": 1715870890,
-        "narHash": "sha256-nacSOeXtUEM77Gn0G4bTdEOeFIrkCBXiyyFZtdGwuH0=",
-        "owner": "cachix",
-        "repo": "git-hooks.nix",
-        "rev": "fa606cccd7b0ccebe2880051208e4a0f61bfc8c1",
-        "type": "github"
-      },
-      "original": {
-        "owner": "cachix",
-        "repo": "git-hooks.nix",
-        "type": "github"
-      }
-    },
-    "gitignore": {
-      "inputs": {
-        "nixpkgs": [
-          "git-hooks",
-          "nixpkgs"
-        ]
-      },
-      "locked": {
-        "lastModified": 1709087332,
-        "narHash": "sha256-HG2cCnktfHsKV0s4XW83gU3F57gaTljL9KNSuG6bnQs=",
-        "owner": "hercules-ci",
-        "repo": "gitignore.nix",
-        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
-        "type": "github"
-      },
-      "original": {
-        "owner": "hercules-ci",
-        "repo": "gitignore.nix",
-        "type": "github"
-      }
-    },
-    "nixpkgs": {
-      "locked": {
-        "lastModified": 1710765496,
-        "narHash": "sha256-p7ryWEeQfMwTB6E0wIUd5V2cFTgq+DRRBz2hYGnJZyA=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "e367f7a1fb93137af22a3908f00b9a35e2d286a7",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs-lib": {
-      "locked": {
-        "lastModified": 1714640452,
-        "narHash": "sha256-QBx10+k6JWz6u7VsohfSw8g8hjdBZEf8CFzXH1/1Z94=",
-        "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/50eb7ecf4cd0a5756d7275c8ba36790e5bd53e33.tar.gz"
-      },
-      "original": {
-        "type": "tarball",
-        "url": "https://github.com/NixOS/nixpkgs/archive/50eb7ecf4cd0a5756d7275c8ba36790e5bd53e33.tar.gz"
-      }
-    },
-    "nixpkgs-stable": {
-      "locked": {
-        "lastModified": 1710695816,
-        "narHash": "sha256-3Eh7fhEID17pv9ZxrPwCLfqXnYP006RKzSs0JptsN84=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "614b4613980a522ba49f0d194531beddbb7220d3",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixos-23.11",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs_2": {
-      "locked": {
-        "lastModified": 1712525377,
-        "narHash": "sha256-TbfZDd8NN6gx7eU5XQWgF/ojnnkTvn7cPXWdY4PVTMU=",
-        "owner": "lxsameer",
-        "repo": "nixpkgs",
-        "rev": "c738ee8ad1c35383037c20fa13eaac17c8ae98c5",
-        "type": "github"
-      },
-      "original": {
-        "owner": "lxsameer",
-        "repo": "nixpkgs",
-        "rev": "c738ee8ad1c35383037c20fa13eaac17c8ae98c5",
-        "type": "github"
-      }
-    },
-    "root": {
-      "inputs": {
-        "flake-parts": "flake-parts",
-        "git-hooks": "git-hooks",
-        "nixpkgs": "nixpkgs_2"
-      }
-    }
-  },
-  "root": "root",
-  "version": 7
-}

flake.nix

@@ -1,132 +0,0 @@
-# Serene Programming Language
-#
-# Copyright (c) 2019-2024 Sameer Rahmani <lxsameer@gnu.org>
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, version 2.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-{
-  description = "Serene programming language";
-
-  inputs.nixpkgs.url =
-    "github:lxsameer/nixpkgs/c738ee8ad1c35383037c20fa13eaac17c8ae98c5";
-  #inputs.nixpkgs.url = "/home/lxsameer/src/nixpkgs/";
-  inputs.git-hooks.url = "github:cachix/git-hooks.nix";
-  inputs.flake-parts.url = "github:hercules-ci/flake-parts";
-
-  outputs = { self, nixpkgs, git-hooks, flake-parts, ... }@inputs:
-    flake-parts.lib.mkFlake { inherit inputs; } {
-      systems = [ "aarch64-darwin" "riscv64-linux" "x86_64-linux" ];
-
-      flake = { };
-      perSystem = { config, self', inputs', system, pkgs, lib, ... }:
-        let
-          version = "1.0.0";
-
-          overlays = (lib.attrsets.attrValues (import ./nix/overlays.nix { }));
-          utils = import ./nix/utils.nix { inherit nixpkgs; };
-
-          hostPkgs = pkgs;
-          targetPkgs = utils.getPkgs system overlays;
-
-          # Create a stdenv based on LLVM
-          stdenv = targetPkgs.stdenvAdapters.overrideCC targetPkgs.stdenv
-            targetPkgs.llvmPackages_18.clangUseLLVM;
-
-          gc = targetPkgs.callPackage ./nix/boehmgc.nix { inherit stdenv; };
-
-          zlib' = targetPkgs.zlib-ng.overrideAttrs (old: {
-            cmakeFlags = [
-              "-DCMAKE_INSTALL_PREFIX=/"
-              "-DBUILD_SHARED_LIBS=OFF"
-              "-DINSTALL_UTILS=ON"
-              "-DZLIB_COMPAT=ON"
-            ];
-          });
-
-          # By default llvm adds zlib to `propagatedBuildInputs` which means any
-          # package that uses llvm will indirectly depends on zlib. And since
-          # by default that zlib is built as a shared lib (since our packageset
-          # is not static), We can't statically link to it. So, we just replace
-          # that zlib with our override of zlib-ng
-          clang' = stdenv.cc.overrideAttrs (old: {
-            propagatedBuildInputs = [ stdenv.cc.bintools ]
-              ++ [ targetPkgs.zlib.static ];
-          });
-
-          llvm = targetPkgs.llvmPackages_18.llvm.overrideAttrs
-            (old: { propagatedBuildInputs = [ targetPkgs.zlib.static ]; });
-
-          # This is the actual stdenv that we need to use anywhere else
-          stdenv' =
-            targetPkgs.stdenvAdapters.overrideCC targetPkgs.stdenv clang';
-
-          nativeBuildToolsDeps = (with hostPkgs; [ cmake ninja ccache ]);
-
-          buildToolsDeps = (with targetPkgs; [
-            llvm
-            llvmPackages_18.mlir
-            llvmPackages_18.clang
-            iwyu
-          ]);
-
-          buildDeps = (with targetPkgs; [
-            gc
-            zlib'
-            llvm
-            llvmPackages_18.mlir
-            llvmPackages_18.clang
-          ]);
-
-          testDeps = (with hostPkgs; [ gtest gmock gbenchmark ]);
-
-        in {
-          devShells.default =
-            (targetPkgs.mkShell.override { stdenv = stdenv'; }) {
-              inherit (self.checks.${system}.git-hook-check) shellHook;
-
-              nativeBuildInputs = nativeBuildToolsDeps ++ buildToolsDeps;
-              buildInputs = buildDeps ++ testDeps
-                ++ self.checks.${system}.git-hook-check.enabledPackages;
-            };
-
-          packages.blah = buildDeps ++ testDeps ++ nativeBuildToolsDeps
-            ++ buildToolsDeps;
-          packages.devshell = stdenv'.mkDerivation {
-            inherit version;
-            name = "devshell";
-
-            src = ./.;
-            doBuild = false;
-            doUnpack = false;
-            doCheck = false;
-            nativeBuildInputs = nativeBuildToolsDeps ++ buildToolsDeps;
-            buildInputs = buildDeps ++ testDeps;
-          };
-
-          checks = {
-            git-hook-check = git-hooks.lib.${system}.run {
-              src = ./.;
-              hooks = {
-                nixfmt.enable = true;
-                clang-format = {
-                  enable = true;
-                  types_or = hostPkgs.lib.mkForce [ "c" "c++" ];
-                };
-                shellcheck.enable = true;
-                cmake-format.enable = true;
-
-              };
-            };
-          };
-        };
-    };
-}

include/CMakeLists.txt

@@ -0,0 +1 @@
+add_subdirectory("serene/slir/")

include/config.h.in

@@ -0,0 +1,11 @@
+#ifndef CONFIG_H
+#define CONFIG_H
+// the configured options and settings for Tutorial
+#define SERENE_VERSION_MAJOR @Serene_VERSION_MAJOR@
+#define SERENE_VERSION_MINOR @Serene_VERSION_MINOR@
+
+#cmakedefine ENABLE_READER_LOG
+#cmakedefine ENABLE_EXPR_LOG
+#cmakedefine ENABLE_LOG
+
+#endif

include/serene/context.h

@@ -0,0 +1,126 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef SERENE_CONTEXT_H
+#define SERENE_CONTEXT_H
+
+#include "serene/environment.h"
+#include "serene/namespace.h"
+#include "serene/passes.h"
+#include "serene/slir/dialect.h"
+
+#include <llvm/ADT/StringRef.h>
+#include <llvm/IR/LLVMContext.h>
+#include <llvm/Support/Host.h>
+#include <memory>
+#include <mlir/Dialect/StandardOps/IR/Ops.h>
+#include <mlir/IR/MLIRContext.h>
+#include <mlir/Pass/PassManager.h>
+
+namespace serene {
+
+namespace exprs {
+class Expression;
+using Node = std::shared_ptr<Expression>;
+} // namespace exprs
+
+enum class CompilationPhase {
+  SLIR,
+  MLIR, // Lowered slir to other dialects
+  LIR,  // Lowered to the llvm ir dialect
+  IR,   // Lowered to the LLVMIR itself
+  NoOptimization,
+  O1,
+  O2,
+  O3,
+};
+
+class SereneContext {
+public:
+  // --------------------------------------------------------------------------
+  // IMPORTANT:
+  // These two contextes have to be the very first members of the class in
+  // order to destroy last. DO NOT change the order or add anything before
+  // them
+  // --------------------------------------------------------------------------
+  llvm::LLVMContext llvmContext;
+  mlir::MLIRContext mlirContext;
+  mlir::PassManager pm;
+  std::string targetTriple;
+
+  /// Insert the given `ns` into the context. The Context object is
+  /// the owner of all the namespaces. The `ns` will overwrite any
+  /// namespace with the same name.
+  void insertNS(std::shared_ptr<Namespace> ns);
+
+  /// Sets the n ame of the current namespace in the context and return
+  /// a boolean indicating the status of this operation. The operation
+  /// will fail if the namespace does not exist in the namespace table.
+  bool setCurrentNS(llvm::StringRef ns_name);
+
+  /// Return the current namespace that is being processed at the moment
+  std::shared_ptr<Namespace> getCurrentNS();
+
+  /// Lookup the namespace with the give name in the current context and
+  /// return a shared pointer to it or a `nullptr` in it doesn't exist.
+  std::shared_ptr<Namespace> getNS(llvm::StringRef ns_name);
+
+  SereneContext()
+      : pm(&mlirContext), targetPhase(CompilationPhase::NoOptimization) {
+    mlirContext.getOrLoadDialect<serene::slir::SereneDialect>();
+    mlirContext.getOrLoadDialect<mlir::StandardOpsDialect>();
+    // TODO: Get the crash report path dynamically from the cli
+    // pm.enableCrashReproducerGeneration("/home/lxsameer/mlir.mlir");
+
+    // TODO: Set the target triple with respect to the CLI args
+    targetTriple = llvm::sys::getDefaultTargetTriple();
+  };
+
+  /// Set the target compilation phase of the compiler. The compilation
+  /// phase dictates the behavior and the output type of the compiler.
+  void setOperationPhase(CompilationPhase phase);
+
+  CompilationPhase getTargetPhase() { return targetPhase; };
+  int getOptimizatioLevel();
+
+private:
+  CompilationPhase targetPhase;
+
+  // The namespace table. Every namespace that needs to be compiled has
+  // to register itself with the context and appear on this table.
+  // This table acts as a cache as well.
+  std::map<std::string, std::shared_ptr<Namespace>> namespaces;
+
+  // Why string vs pointer? We might rewrite the namespace and
+  // holding a pointer means that it might point to the old version
+  std::string current_ns;
+};
+
+/// Creates a new context object. Contexts are used through out the compilation
+/// process to store the state
+std::unique_ptr<SereneContext> makeSereneContext();
+
+}; // namespace serene
+
+#endif

include/serene/environment.h

@@ -0,0 +1,73 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef SERENE_ENVIRONMENT_H
+#define SERENE_ENVIRONMENT_H
+
+#include "serene/llvm/patches.h"
+
+#include <llvm/ADT/DenseMap.h>
+#include <mlir/Support/LogicalResult.h>
+
+namespace serene {
+
+/// This class represents a classic lisp environment (or scope) that holds the
+/// bindings from type `K` to type `V`. For example an environment of symbols
+/// to expressions would be `Environment<Symbol, Node>`
+template <typename K, typename V>
+class Environment {
+
+  Environment<K, V> *parent;
+
+  // The actual bindings storage
+  llvm::DenseMap<K, V> pairs;
+
+public:
+  Environment() : parent(nullptr) {}
+  Environment(Environment *parent) : parent(parent){};
+
+  /// Look up the given `key` in the environment and return it.
+  llvm::Optional<V> lookup(K key) {
+    if (auto value = pairs.lookup(key)) {
+      return value;
+    }
+
+    if (parent) {
+      return parent->lookup(key);
+    }
+
+    return llvm::None;
+  };
+
+  /// Insert the given `key` with the given `value` into the storage. This
+  /// operation will shadow an aleady exist `key` in the parent environment
+  mlir::LogicalResult insert_symbol(K key, V value) {
+    pairs.insert(std::pair<K, V>(key, value));
+    return mlir::success();
+  };
+};
+
+} // namespace serene
+
+#endif

include/serene/errors.h

@@ -0,0 +1,31 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef SERENE_ERRORS_H
+#define SERENE_ERRORS_H
+
+#include "serene/errors/errc.h"
+#include "serene/errors/error.h"
+
+#endif

include/serene/errors/constants.h

@@ -0,0 +1,85 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef SERENE_ERRORS_CONSTANTS_H
+#define SERENE_ERRORS_CONSTANTS_H
+
+#include <map>
+#include <string>
+
+namespace serene {
+namespace errors {
+
+enum ErrID {
+  E0000,
+  E0001,
+  E0002,
+  E0003,
+  E0004,
+  E0005,
+  E0006,
+  E0007,
+};
+
+struct ErrorVariant {
+  ErrID id;
+  std::string description;
+  std::string longDescription;
+
+  ErrorVariant(ErrID id, std::string desc, std::string longDesc)
+      : id(id), description(desc), longDescription(longDesc){};
+};
+
+static ErrorVariant
+    UnknownError(E0000, "Can't find any description for this error.", "");
+static ErrorVariant
+    DefExpectSymbol(E0001, "The first argument to 'def' has to be a Symbol.",
+                    "");
+
+static ErrorVariant DefWrongNumberOfArgs(
+    E0002, "Wrong number of arguments is passed to the 'def' form.", "");
+
+static ErrorVariant FnNoArgsList(E0003, "'fn' form requires an argument list.",
+                                 "");
+
+static ErrorVariant FnArgsMustBeList(E0004, "'fn' arguments should be a list.",
+                                     "");
+
+static ErrorVariant CantResolveSymbol(E0005, "Can't resolve the given name.",
+                                      "");
+static ErrorVariant
+    DontKnowHowToCallNode(E0006, "Don't know how to call the given expression.",
+                          "");
+
+static ErrorVariant PassFailureError(E0007, "Pass Failure.", "");
+
+static std::map<ErrID, ErrorVariant *> ErrDesc = {
+    {E0000, &UnknownError},          {E0001, &DefExpectSymbol},
+    {E0002, &DefWrongNumberOfArgs},  {E0003, &FnNoArgsList},
+    {E0004, &FnArgsMustBeList},      {E0005, &CantResolveSymbol},
+    {E0006, &DontKnowHowToCallNode}, {E0007, &PassFailureError}};
+
+} // namespace errors
+} // namespace serene
+#endif

include/serene/errors/errc.h

@@ -0,0 +1,83 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef SERENE_ERRORS_ERRC_H
+#define SERENE_ERRORS_ERRC_H
+
+#include "llvm/Support/Errc.h"
+
+namespace serene {
+
+/// A collection of common error codes in Serene
+enum class errc {
+  argument_list_too_long  = int(std::errc::argument_list_too_long),
+  argument_out_of_domain  = int(std::errc::argument_out_of_domain),
+  bad_address             = int(std::errc::bad_address),
+  bad_file_descriptor     = int(std::errc::bad_file_descriptor),
+  broken_pipe             = int(std::errc::broken_pipe),
+  device_or_resource_busy = int(std::errc::device_or_resource_busy),
+  directory_not_empty     = int(std::errc::directory_not_empty),
+  executable_format_error = int(std::errc::executable_format_error),
+  file_exists             = int(std::errc::file_exists),
+  file_too_large          = int(std::errc::file_too_large),
+  filename_too_long       = int(std::errc::filename_too_long),
+  function_not_supported  = int(std::errc::function_not_supported),
+  illegal_byte_sequence   = int(std::errc::illegal_byte_sequence),
+  inappropriate_io_control_operation =
+      int(std::errc::inappropriate_io_control_operation),
+  interrupted                   = int(std::errc::interrupted),
+  invalid_argument              = int(std::errc::invalid_argument),
+  invalid_seek                  = int(std::errc::invalid_seek),
+  io_error                      = int(std::errc::io_error),
+  is_a_directory                = int(std::errc::is_a_directory),
+  no_child_process              = int(std::errc::no_child_process),
+  no_lock_available             = int(std::errc::no_lock_available),
+  no_space_on_device            = int(std::errc::no_space_on_device),
+  no_such_device_or_address     = int(std::errc::no_such_device_or_address),
+  no_such_device                = int(std::errc::no_such_device),
+  no_such_file_or_directory     = int(std::errc::no_such_file_or_directory),
+  no_such_process               = int(std::errc::no_such_process),
+  not_a_directory               = int(std::errc::not_a_directory),
+  not_enough_memory             = int(std::errc::not_enough_memory),
+  not_supported                 = int(std::errc::not_supported),
+  operation_not_permitted       = int(std::errc::operation_not_permitted),
+  permission_denied             = int(std::errc::permission_denied),
+  read_only_file_system         = int(std::errc::read_only_file_system),
+  resource_deadlock_would_occur = int(std::errc::resource_deadlock_would_occur),
+  resource_unavailable_try_again =
+      int(std::errc::resource_unavailable_try_again),
+  result_out_of_range           = int(std::errc::result_out_of_range),
+  too_many_files_open_in_system = int(std::errc::too_many_files_open_in_system),
+  too_many_files_open           = int(std::errc::too_many_files_open),
+  too_many_links                = int(std::errc::too_many_links)
+};
+
+/// The **official way** to create `std::error_code` in context of Serene.
+inline std::error_code make_error_code(errc E) {
+  return std::error_code(static_cast<int>(E), std::generic_category());
+};
+
+}; // namespace serene
+
+#endif

include/serene/errors/error.h

@@ -0,0 +1,68 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef SERENE_ERRORS_ERROR_H
+#define SERENE_ERRORS_ERROR_H
+
+#include "serene/context.h"
+#include "serene/errors/constants.h"
+#include "serene/errors/traits.h"
+#include "serene/reader/location.h"
+#include "serene/reader/traits.h"
+#include "serene/traits.h"
+//#include "serene/exprs/expression.h"
+#include "llvm/Support/Error.h"
+
+namespace serene::errors {
+
+/// This enum represent the expression type and **not** the value type.
+enum class ErrType {
+  Syntax,
+  Semantic,
+  Compile,
+};
+
+/// This data structure represent the Lisp error. This type of expression
+/// doesn't show up in the AST but the compiler might rewrite the AST
+/// to contains error expressions
+class Error
+    : public WithTrait<Error, IError, reader::ILocatable, serene::IDebuggable> {
+  reader::LocationRange location;
+  ErrorVariant *variant;
+  std::string message;
+
+public:
+  Error(reader::LocationRange &loc, ErrorVariant *err, llvm::StringRef msg)
+      : location(loc), variant(err), message(msg){};
+
+  std::string toString() const;
+  reader::LocationRange &where();
+  ErrorVariant *getVariant();
+  std::string getMessage();
+  ~Error() = default;
+};
+
+}; // namespace serene::errors
+
+#endif

include/serene/errors/traits.h

@@ -0,0 +1,44 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef ERRORS_TRAITS_H
+#define ERRORS_TRAITS_H
+
+#include "serene/context.h"
+#include "serene/errors/constants.h"
+#include "serene/traits.h"
+
+namespace serene::errors {
+template <typename ConcreteType>
+class IError : public TraitBase<ConcreteType, IError> {
+public:
+  IError(){};
+  IError(const IError &) = delete;
+
+  ErrorVariant *getVariant();
+  std::string getMessage();
+};
+
+} // namespace serene::errors
+#endif

include/serene/exprs/call.h

@@ -0,0 +1,79 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef EXPRS_CALL_H
+#define EXPRS_CALL_H
+
+#include "serene/context.h"
+#include "serene/errors/error.h"
+#include "serene/exprs/expression.h"
+#include "serene/exprs/list.h"
+
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/Error.h"
+
+#include <memory>
+#include <string>
+
+namespace serene {
+
+namespace exprs {
+class List;
+
+/// This data structure represents a function. with a collection of
+/// arguments and the ast of a body
+class Call : public Expression {
+
+public:
+  Node target;
+  Ast params;
+
+  Call(reader::LocationRange &loc, Node &target, Ast &params)
+      : Expression(loc), target(target), params(params){};
+
+  Call(Call &) = delete;
+
+  ExprType getType() const;
+  std::string toString() const;
+  MaybeNode analyze(SereneContext &);
+  void generateIR(serene::Namespace &, mlir::ModuleOp &){};
+
+  static bool classof(const Expression *e);
+
+  /// Creates a call node out of a list.
+  /// For exmaple: `(somefn (param1 param2) param3)`. This function
+  /// is supposed to be used in the semantic analysis phase.
+  ///
+  /// \param ctx The semantic analysis context object.
+  /// \param list the list in question.
+
+  static MaybeNode make(SereneContext &ctx, List *list);
+
+  ~Call() = default;
+};
+
+} // namespace exprs
+} // namespace serene
+
+#endif

include/serene/exprs/def.h

@@ -0,0 +1,77 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef EXPRS_DEF_H
+#define EXPRS_DEF_H
+
+#include "serene/context.h"
+#include "serene/errors/error.h"
+#include "serene/exprs/expression.h"
+
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/Error.h"
+
+#include <memory>
+#include <string>
+
+namespace serene {
+
+namespace exprs {
+class List;
+
+/// This data structure represents the operation to define a new binding via
+/// the `def` special form.
+class Def : public Expression {
+
+public:
+  std::string binding;
+  Node value;
+
+  Def(reader::LocationRange &loc, llvm::StringRef binding, Node &v)
+      : Expression(loc), binding(binding), value(v){};
+
+  Def(Def &d) = delete;
+
+  ExprType getType() const;
+  std::string toString() const;
+  MaybeNode analyze(SereneContext &);
+  void generateIR(serene::Namespace &, mlir::ModuleOp &);
+
+  static bool classof(const Expression *e);
+
+  /// Create a Def node out a list. The list should contain the
+  /// correct `def` form like `(def blah value)`. This function
+  /// is supposed to be used in the semantic analysis phase.
+  ///
+  /// \param ctx The semantic analysis context object.
+  /// \param list the list containing the `def` form
+  static MaybeNode make(SereneContext &ctx, List *list);
+
+  ~Def() = default;
+};
+
+} // namespace exprs
+} // namespace serene
+
+#endif

include/serene/exprs/expression.h

@@ -0,0 +1,153 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef EXPRS_EXPRESSION_H
+#define EXPRS_EXPRESSION_H
+
+#include "mlir/IR/BuiltinOps.h"
+#include "serene/context.h"
+#include "serene/errors/error.h"
+#include "serene/exprs/traits.h"
+#include "serene/reader/location.h"
+#include "serene/utils.h"
+
+#include <memory>
+
+namespace serene {
+
+/// Contains all the builtin AST expressions including those which do not appear
+/// in the syntax directly. Like function definitions.
+namespace exprs {
+
+class Expression;
+
+using Node     = std::shared_ptr<Expression>;
+using ErrorPtr = std::shared_ptr<errors::Error>;
+
+// tree? Yupe, Errors can be stackable which makes a vector of them a tree
+using ErrorTree = std::vector<ErrorPtr>;
+
+using MaybeNode = Result<Node, ErrorTree>;
+
+using Ast      = std::vector<Node>;
+using MaybeAst = Result<Ast, ErrorTree>;
+
+static auto EmptyNode = MaybeNode::success(nullptr);
+
+/// The base class of the expressions which provides the common interface for
+/// the expressions to implement.
+class Expression {
+public:
+  /// The location range provide information regarding to where in the input
+  /// string the current expression is used.
+  reader::LocationRange location;
+
+  Expression(const reader::LocationRange &loc) : location(loc){};
+  virtual ~Expression() = default;
+
+  /// Returns the type of the expression. We need this funciton to perform
+  /// dynamic casting of expression object to implementations such as lisp or
+  /// symbol.
+  virtual ExprType getType() const = 0;
+
+  /// The AST representation of an expression
+  virtual std::string toString() const = 0;
+
+  /// Analyzes the semantics of current node and return a new node in case
+  /// that we need to semantically rewrite the current node and replace it with
+  /// another node. For example to change from a List containing `(def a b)`
+  /// to a `Def` node that represents defining a new binding.
+  ///
+  /// \param ctx is the context object of the semantic analyzer.
+  virtual MaybeNode analyze(SereneContext &ctx) = 0;
+
+  /// Genenates the correspondig SLIR of the expressoin and attach it to the
+  /// given module.
+  ///
+  /// \param ns The namespace that current expression is in it.
+  /// \param m  The target MLIR moduleOp to attach the operations to
+  virtual void generateIR(serene::Namespace &ns, mlir::ModuleOp &m) = 0;
+};
+
+/// Create a new `node` of type `T` and forwards any given parameter
+/// to the constructor of type `T`. This is the **official way** to create
+/// a new `Expression`. Here is an example:
+/// \code
+/// auto list = make<List>();
+/// \endcode
+///
+/// \param[args] Any argument with any type passed to this function will be
+///              passed to the constructor of type T.
+/// \return A unique pointer to an Expression
+template <typename T, typename... Args>
+Node make(Args &&...args) {
+  return std::make_shared<T>(std::forward<Args>(args)...);
+};
+/// Create a new `node` of type `T` and forwards any given parameter
+/// to the constructor of type `T`. This is the **official way** to create
+/// a new `Expression`. Here is an example:
+/// \code
+/// auto list = makeAndCast<List>();
+/// \endcode
+///
+/// \param[args] Any argument with any type passed to this function will be
+///              passed to the constructor of type T.
+/// \return A unique pointer to a value of type T.
+template <typename T, typename... Args>
+std::shared_ptr<T> makeAndCast(Args &&...args) {
+  return std::make_shared<T>(std::forward<Args>(args)...);
+};
+
+/// The helper function to create a new `Node` and use that as the success case
+// of a `Result`. It should be useds where every we want to return a `MaybeNode`
+/// successfully
+template <typename T, typename... Args>
+Result<Node, ErrorTree> makeSuccessfulNode(Args &&...args) {
+  return Result<Node, ErrorTree>::success(make<T>(std::forward<Args>(args)...));
+};
+
+/// The hlper function to create an Errorful `Result<T,...>` (`T` would be
+/// either
+///  `Node` or `Ast` most of the time) with just one error creating from passing
+///  any argument to this function to the `serene::errors::Error` constructor.
+template <typename T, typename... Args>
+Result<T, ErrorTree> makeErrorful(Args &&...args) {
+  std::vector<ErrorPtr> v{
+      std::move(makeAndCast<errors::Error>(std::forward<Args>(args)...))};
+  return Result<T, ErrorTree>::error(v);
+};
+
+/// Convert the given AST to string by calling the `toString` method
+/// of each node.
+std::string astToString(const Ast *);
+/// Converts the given ExprType to string.
+std::string stringifyExprType(ExprType);
+
+/// Converts the given AST to string and prints it out
+void dump(Ast &);
+
+} // namespace exprs
+} // namespace serene
+
+#endif

include/serene/exprs/fn.h

@@ -0,0 +1,83 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef EXPRS_FN_H
+#define EXPRS_FN_H
+
+#include "serene/context.h"
+#include "serene/errors/error.h"
+#include "serene/exprs/expression.h"
+#include "serene/exprs/list.h"
+#include "serene/namespace.h"
+
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/Error.h"
+
+#include <memory>
+#include <string>
+
+namespace serene {
+
+namespace exprs {
+class List;
+
+/// This data structure represents a function. with a collection of
+/// arguments and the ast of a body
+class Fn : public Expression {
+
+public:
+  std::string name;
+
+  // TODO: Use a coll type instead of a list here
+  List args;
+  Ast body;
+
+  Fn(SereneContext &ctx, reader::LocationRange &loc, List &args, Ast body);
+
+  Fn(Fn &f) = delete;
+
+  ExprType getType() const;
+  std::string toString() const;
+  MaybeNode analyze(SereneContext &);
+  void generateIR(serene::Namespace &, mlir::ModuleOp &);
+
+  static bool classof(const Expression *e);
+
+  /// Creates a function node out of a function definition
+  /// in a list. the list has to contain the correct definition
+  /// of a function, for exmaple: `(fn (args1 arg2) body)`.This function
+  /// is supposed to be used in the semantic analysis phase.
+  ///
+  /// \param ctx The semantic analysis context object.
+  /// \param list the list containing the `fn` form
+  static MaybeNode make(SereneContext &ctx, List *list);
+
+  void setName(std::string);
+  ~Fn() = default;
+};
+
+} // namespace exprs
+} // namespace serene
+
+#endif

include/serene/exprs/list.h

@@ -0,0 +1,91 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef EXPRS_LIST_H
+#define EXPRS_LIST_H
+
+#include "serene/context.h"
+#include "serene/exprs/expression.h"
+
+#include <llvm/ADT/Optional.h>
+#include <string>
+
+namespace serene {
+
+namespace exprs {
+
+/// This class represents a List in the AST level and not the List as the data
+/// type.
+class List : public Expression {
+public:
+  // Internal elements of the lest (small vector of shared pointers to
+  // expressions)
+  Ast elements;
+
+  List(const List &l);               // Copy ctor
+  List(List &&e) noexcept = default; // Move ctor
+
+  List(const reader::LocationRange &loc) : Expression(loc){};
+  List(const reader::LocationRange &loc, Node &e);
+  List(const reader::LocationRange &loc, Ast elems);
+
+  ExprType getType() const;
+  std::string toString() const;
+
+  void append(Node);
+
+  size_t count() const;
+
+  Ast from(uint begin);
+
+  llvm::Optional<Expression *> at(uint index);
+
+  /// Return an iterator to be used with the `for` loop. It's implicitly called
+  /// by the for loop.
+  std::vector<Node>::const_iterator cbegin();
+
+  /// Return an iterator to be used with the `for` loop. It's implicitly called
+  /// by the for loop.
+  std::vector<Node>::const_iterator cend();
+
+  /// Return an iterator to be used with the `for` loop. It's implicitly called
+  /// by the for loop.
+  std::vector<Node>::iterator begin();
+
+  /// Return an iterator to be used with the `for` loop. It's implicitly called
+  /// by the for loop.
+  std::vector<Node>::iterator end();
+
+  MaybeNode analyze(SereneContext &);
+  void generateIR(serene::Namespace &, mlir::ModuleOp &){};
+
+  ~List() = default;
+
+  static bool classof(const Expression *e);
+};
+
+} // namespace exprs
+} // namespace serene
+
+#endif

include/serene/exprs/number.h

@@ -0,0 +1,70 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef EXPRS_NUMBER_H
+#define EXPRS_NUMBER_H
+
+#include "serene/context.h"
+#include "serene/exprs/expression.h"
+#include "serene/namespace.h"
+
+#include <llvm/Support/FormatVariadic.h>
+
+namespace serene {
+namespace exprs {
+
+/// This data structure represent a number. I handles float points, integers,
+/// positive and negative numbers. This is not a data type representative.
+/// So it won't cast to actual numeric types and it has a string container
+/// to hold the parsed value.
+struct Number : public Expression {
+
+  // TODO: Use a variant here instead to store different number types
+  std::string value;
+
+  bool isNeg;
+  bool isFloat;
+
+  Number(reader::LocationRange &loc, const std::string &num, bool isNeg,
+         bool isFloat)
+      : Expression(loc), value(num), isNeg(isNeg), isFloat(isFloat){};
+
+  ExprType getType() const;
+  std::string toString() const;
+
+  MaybeNode analyze(SereneContext &ctx);
+  void generateIR(serene::Namespace &, mlir::ModuleOp &);
+
+  // TODO: This is horrible, we need to fix it after the mvp
+  int toI64();
+
+  ~Number() = default;
+
+  static bool classof(const Expression *e);
+};
+
+} // namespace exprs
+} // namespace serene
+
+#endif

include/serene/exprs/symbol.h

@@ -0,0 +1,64 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef EXPRS_SYMBOL_H
+#define EXPRS_SYMBOL_H
+
+#include "serene/context.h"
+#include "serene/exprs/expression.h"
+
+#include <llvm/ADT/StringRef.h>
+#include <string>
+
+namespace serene {
+
+namespace exprs {
+
+/// This data structure represent the Lisp symbol. Just a symbol
+/// in the context of the AST and nothing else.
+class Symbol : public Expression {
+
+public:
+  std::string name;
+
+  Symbol(reader::LocationRange &loc, llvm::StringRef name)
+      : Expression(loc), name(name){};
+
+  Symbol(Symbol &s) : Expression(s.location) { this->name = s.name; }
+
+  ExprType getType() const;
+  std::string toString() const;
+
+  MaybeNode analyze(SereneContext &);
+  void generateIR(serene::Namespace &, mlir::ModuleOp &){};
+
+  ~Symbol() = default;
+
+  static bool classof(const Expression *e);
+};
+
+} // namespace exprs
+} // namespace serene
+
+#endif

include/serene/exprs/traits.h

@@ -0,0 +1,53 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef EXPRS_TRAITS_H
+#define EXPRS_TRAITS_H
+
+#include "serene/context.h"
+#include "serene/reader/location.h"
+#include "serene/reader/traits.h"
+#include "serene/traits.h"
+#include "serene/utils.h"
+
+namespace serene::exprs {
+/// This enum represent the expression type and **not** the value type.
+enum class ExprType {
+  Symbol,
+  List,
+  Number,
+  Def,
+  Error,
+  Fn,
+  Call,
+};
+
+/// The string represantion of built in expr types (NOT DATATYPES).
+static const char *exprTypes[] = {
+    "Symbol", "List", "Number", "Def", "Error", "Fn", "Call",
+};
+
+}; // namespace serene::exprs
+
+#endif

include/serene/jit.h

@@ -0,0 +1,166 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef SERENE_JIT_H
+#define SERENE_JIT_H
+
+#include "serene/errors.h"
+#include "serene/slir/generatable.h"
+#include "serene/utils.h"
+
+#include <llvm/ADT/StringRef.h>
+#include <llvm/ExecutionEngine/JITEventListener.h>
+#include <llvm/ExecutionEngine/ObjectCache.h>
+#include <llvm/ExecutionEngine/Orc/LLJIT.h>
+#include <llvm/Support/CodeGen.h>
+#include <llvm/Support/Debug.h>
+#include <memory>
+#include <mlir/Support/LLVM.h>
+
+#define JIT_LOG(...) \
+  DEBUG_WITH_TYPE("JIT", llvm::dbgs() << "[JIT]: " << __VA_ARGS__ << "\n");
+
+namespace serene {
+class JIT;
+
+using MaybeJIT = Result<std::unique_ptr<JIT>, serene::errors::Error>;
+
+/// A simple object cache following Lang's LLJITWithObjectCache example and
+/// MLIR's SimpelObjectCache.
+class ObjectCache : public llvm::ObjectCache {
+public:
+  /// Cache the given `objBuffer` for the given module `m`. The buffer contains
+  /// the combiled objects of the module
+  void notifyObjectCompiled(const llvm::Module *m,
+                            llvm::MemoryBufferRef objBuffer) override;
+
+  // Lookup the cache for the given module `m` or returen a nullptr.
+  std::unique_ptr<llvm::MemoryBuffer> getObject(const llvm::Module *m) override;
+
+  /// Dump cached object to output file `filename`.
+  void dumpToObjectFile(llvm::StringRef filename);
+
+private:
+  llvm::StringMap<std::unique_ptr<llvm::MemoryBuffer>> cachedObjects;
+};
+
+class JIT {
+  // TODO: Should the JIT own the context ???
+  Namespace &ns;
+
+  std::unique_ptr<llvm::orc::LLJIT> engine;
+
+  std::unique_ptr<ObjectCache> cache;
+
+  /// GDB notification listener.
+  llvm::JITEventListener *gdbListener;
+
+  /// Perf notification listener.
+  llvm::JITEventListener *perfListener;
+
+public:
+  JIT(Namespace &ns, bool enableObjectCache = true,
+      bool enableGDBNotificationListener  = true,
+      bool enablePerfNotificationListener = true);
+
+  static MaybeJIT
+  make(Namespace &ns, mlir::ArrayRef<llvm::StringRef> sharedLibPaths = {},
+       mlir::Optional<llvm::CodeGenOpt::Level> jitCodeGenOptLevel = llvm::None,
+       bool enableObjectCache = true, bool enableGDBNotificationListener = true,
+       bool enablePerfNotificationListener = true);
+
+  /// Looks up a packed-argument function with the given name and returns a
+  /// pointer to it.  Propagates errors in case of failure.
+  llvm::Expected<void (*)(void **)> lookup(llvm::StringRef name) const;
+
+  /// Invokes the function with the given name passing it the list of opaque
+  /// pointers to the actual arguments.
+  llvm::Error invokePacked(llvm::StringRef name,
+                           llvm::MutableArrayRef<void *> args = llvm::None);
+
+  /// Trait that defines how a given type is passed to the JIT code. This
+  /// defaults to passing the address but can be specialized.
+  template <typename T>
+  struct Argument {
+    static void pack(llvm::SmallVectorImpl<void *> &args, T &val) {
+      args.push_back(&val);
+    }
+  };
+
+  /// Tag to wrap an output parameter when invoking a jitted function.
+  template <typename T>
+  struct FnResult {
+    FnResult(T &result) : value(result) {}
+    T &value;
+  };
+
+  /// Helper function to wrap an output operand when using
+  /// ExecutionEngine::invoke.
+  template <typename T>
+  static FnResult<T> result(T &t) {
+    return FnResult<T>(t);
+  }
+
+  // Specialization for output parameter: their address is forwarded directly to
+  // the native code.
+  template <typename T>
+  struct Argument<Result<T>> {
+    static void pack(llvm::SmallVectorImpl<void *> &args, FnResult<T> &result) {
+      args.push_back(&result.value);
+    }
+  };
+
+  /// Invokes the function with the given name passing it the list of arguments
+  /// by value. Function result can be obtain through output parameter using the
+  /// `FnResult` wrapper defined above. For example:
+  ///
+  ///     func @foo(%arg0 : i32) -> i32 attributes { llvm.emit_c_interface }
+  ///
+  /// can be invoked:
+  ///
+  ///     int32_t result = 0;
+  ///     llvm::Error error = jit->invoke("foo", 42,
+  ///                                     result(result));
+  template <typename... Args>
+  llvm::Error invoke(llvm::StringRef funcName, Args... args) {
+    const std::string adapterName = std::string("") + funcName.str();
+    llvm::SmallVector<void *> argsArray;
+    // Pack every arguments in an array of pointers. Delegate the packing to a
+    // trait so that it can be overridden per argument type.
+    // TODO: replace with a fold expression when migrating to C++17.
+    int dummy[] = {0, ((void)Argument<Args>::pack(argsArray, args), 0)...};
+    (void)dummy;
+    return invokePacked(adapterName, argsArray);
+  };
+  /// Dump object code to output file `filename`.
+  void dumpToObjectFile(llvm::StringRef filename);
+
+  /// Register symbols with this ExecutionEngine.
+  void registerSymbols(
+      llvm::function_ref<llvm::orc::SymbolMap(llvm::orc::MangleAndInterner)>
+          symbolMap);
+};
+} // namespace serene
+
+#endif

include/serene/llvm/IR/Value.h

@@ -0,0 +1,7 @@
+#ifndef SERENE_LLVM_VALUE_H
+#define SERENE_LLVM_VALUE_H
+
+#pragma clang diagnostic ignored "-Wunused-parameter"
+#include <llvm/IR/Value.h>
+
+#endif

include/serene/llvm/patches.h

@@ -0,0 +1,60 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef SERENE_LLVM_PATCHES_H
+#define SERENE_LLVM_PATCHES_H
+
+#include "llvm/ADT/DenseMap.h"
+
+namespace llvm {
+
+// Our specialization of DensMapInfo for string type. This will allow use to use
+// string
+template <>
+struct DenseMapInfo<std::string> {
+  static inline std::string getEmptyKey() { return ""; }
+
+  static inline std::string getTombstoneKey() {
+    // Maybe we need to use something else beside strings ????
+    return "0TOMBED";
+  }
+
+  static unsigned getHashValue(std::string Val) {
+    assert(Val != getEmptyKey() && "Cannot hash the empty key!");
+    assert(Val != getTombstoneKey() && "Cannot hash the tombstone key!");
+    return (unsigned)(llvm::hash_value(Val));
+  }
+
+  static bool isEqual(std::string LHS, std::string RHS) {
+    if (RHS == getEmptyKey())
+      return LHS == getEmptyKey();
+    if (RHS == getTombstoneKey())
+      return LHS == getTombstoneKey();
+    return LHS == RHS;
+  }
+};
+
+} // namespace llvm
+
+#endif

include/serene/namespace.h

@@ -0,0 +1,128 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef SERENE_NAMESPACE_H
+#define SERENE_NAMESPACE_H
+
+#include "serene/environment.h"
+#include "serene/slir/generatable.h"
+#include "serene/traits.h"
+#include "serene/utils.h"
+
+#include <algorithm>
+#include <atomic>
+#include <llvm/ADT/SmallString.h>
+#include <llvm/ADT/StringRef.h>
+#include <llvm/IR/Module.h>
+#include <memory>
+#include <mlir/IR/Builders.h>
+#include <mlir/IR/BuiltinOps.h>
+#include <mlir/IR/OwningOpRef.h>
+#include <mlir/IR/Value.h>
+#include <mlir/Support/LogicalResult.h>
+#include <string>
+
+#define NAMESPACE_LOG(...) \
+  DEBUG_WITH_TYPE("NAMESPACE", llvm::dbgs() << __VA_ARGS__ << "\n");
+
+namespace serene {
+class SereneContext;
+
+namespace exprs {
+class Expression;
+using Node = std::shared_ptr<Expression>;
+using Ast  = std::vector<Node>;
+} // namespace exprs
+  // TODO: replace the temporary `bool` by errors::Error
+using MaybeModule = Result<std::unique_ptr<llvm::Module>, bool>;
+
+// TODO: replace the temporary `bool` by errors::Error
+using MaybeModuleOp = Result<mlir::OwningOpRef<mlir::ModuleOp>, bool>;
+
+/// Serene's namespaces are the unit of compilation. Any code that needs to be
+/// compiled has to be in a namespace. The official way to create a new
+/// namespace is to use the `makeNamespace` function.
+class Namespace {
+private:
+  SereneContext &ctx;
+  bool initialized = false;
+
+  // Anonymous function counter. We need to assing a unique name to each
+  // anonymous function and we use this counter to generate those names
+  std::atomic<uint> fn_counter = 0;
+
+  // The content of the namespace
+  exprs::Ast tree;
+
+public:
+  mlir::StringRef name;
+  llvm::Optional<std::string> filename;
+
+  /// The root environment of the namespace on the semantic analysis phase.
+  /// Which is a mapping from names to AST nodes ( no evaluation ).
+  Environment<std::string, exprs::Node> semanticEnv;
+
+  /// Th root environmanet to store the MLIR value during the IR generation
+  /// phase.
+  Environment<llvm::StringRef, mlir::Value> symbolTable;
+
+  Namespace(SereneContext &ctx, llvm::StringRef ns_name,
+            llvm::Optional<llvm::StringRef> filename);
+
+  exprs::Ast &getTree();
+  mlir::LogicalResult setTree(exprs::Ast &);
+
+  /// Increase the function counter by one
+  uint nextFnCounter();
+
+  SereneContext &getContext();
+
+  /// Generate and return a MLIR ModuleOp tha contains the IR of the namespace
+  /// with respect to the compilation phase
+  MaybeModuleOp generate();
+
+  /// Compile the namespace to a llvm module. It will call the
+  /// `generate` method of the namespace to generate the IR.
+  MaybeModule compileToLLVM();
+
+  /// Run all the passes specified in the context on the given MLIR ModuleOp.
+  mlir::LogicalResult runPasses(mlir::ModuleOp &m);
+
+  /// Dumps the namespace with respect to the compilation phase
+  void dump();
+
+  ~Namespace();
+};
+
+/// Create a naw namespace with the given `name` and optional `filename` and
+/// return a shared pointer to it in the given Serene context. If the
+/// `setCurrent` argument is set to true, the created NS will become the curret
+/// namespace in the context
+std::shared_ptr<Namespace>
+makeNamespace(SereneContext &ctx, llvm::StringRef name,
+              llvm::Optional<llvm::StringRef> filename, bool setCurrent = true);
+
+} // namespace serene
+
+#endif

include/serene/passes.h

@@ -0,0 +1,37 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef SERENE_PASSES_H
+#define SERENE_PASSES_H
+
+#include <mlir/Pass/Pass.h>
+
+namespace serene::passes {
+
+std::unique_ptr<mlir::Pass> createSLIRLowerToAffinePass();
+std::unique_ptr<mlir::Pass> createSLIRLowerToLLVMDialectPass();
+
+} // namespace serene::passes
+
+#endif

include/serene/reader/errors.h

@@ -0,0 +1,65 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef SERENE_READER_ERRORS_H
+#define SERENE_READER_ERRORS_H
+#include "serene/errors.h"
+
+namespace serene {
+namespace reader {
+
+class ReadError : public std::exception {
+private:
+  char *message;
+
+public:
+  ReadError(char *msg) : message(msg){};
+  const char *what() const throw() { return message; }
+};
+
+class MissingFileError : public llvm::ErrorInfo<MissingFileError> {
+
+  using llvm::ErrorInfo<MissingFileError>::log;
+  using llvm::ErrorInfo<MissingFileError>::convertToErrorCode;
+
+public:
+  static char ID;
+  std::string path;
+
+  // TODO: Move this to an error namespace somewhere.
+  int file_is_missing = int();
+
+  void log(llvm::raw_ostream &os) const {
+    os << "File does not exist: " << path << "\n";
+  }
+
+  MissingFileError(llvm::StringRef path) : path(path.str()){};
+  std::error_code convertToErrorCode() const {
+    return make_error_code(errc::no_such_file_or_directory);
+  }
+};
+
+} // namespace reader
+} // namespace serene
+#endif

include/serene/reader/location.h

@@ -0,0 +1,64 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef LOCATION_H
+#define LOCATION_H
+
+#include "mlir/IR/Location.h"
+#include "mlir/IR/MLIRContext.h"
+#include "mlir/IR/OpDefinition.h"
+
+#include <string>
+
+namespace serene {
+namespace reader {
+
+/// It represents a location in the input string to the parser via `line`,
+struct Location {
+
+  int pos; // Position of in the input string.
+  int line;
+  int col;
+
+  ::std::string toString() const;
+  static Location unit() { return {0, 0, 0}; };
+};
+
+class LocationRange {
+public:
+  Location start;
+  Location end;
+
+  LocationRange() : start(Location{0, 0, 0}), end(Location{0, 0, 0}){};
+  LocationRange(Location _start) : start(_start), end(_start){};
+  LocationRange(Location _start, Location _end) : start(_start), end(_end){};
+  LocationRange(const LocationRange &);
+};
+
+void incLocation(Location &, bool);
+void decLocation(Location &, bool);
+
+} // namespace reader
+} // namespace serene
+#endif

include/serene/reader/reader.h

@@ -0,0 +1,111 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef READER_H
+#define READER_H
+
+#include "serene/errors.h"
+#include "serene/exprs/expression.h"
+#include "serene/exprs/list.h"
+#include "serene/exprs/symbol.h"
+#include "serene/reader/errors.h"
+#include "serene/reader/location.h"
+#include "serene/serene.h"
+
+#include <llvm/Support/Debug.h>
+#include <llvm/Support/raw_ostream.h>
+#include <memory>
+#include <sstream>
+#include <stdexcept>
+#include <string>
+#include <system_error>
+#include <vector>
+
+#define READER_LOG(...)                  \
+  DEBUG_WITH_TYPE("READER", llvm::dbgs() \
+                                << "[READER]: " << __VA_ARGS__ << "\n");
+
+namespace serene::reader {
+
+/// Base reader class which reads from a string directly.
+class Reader {
+private:
+  char current_char = ';'; // Some arbitary char to begin with
+  std::stringstream input_stream;
+  Location current_location{0, 0, 0};
+
+  /// Returns the next character from the stream.
+  /// @param skip_whitespace An indicator to whether skip white space like chars
+  /// or not
+  char getChar(bool skip_whitespace);
+
+  /// Unreads the current character by moving the char pointer to the previous
+  /// char.
+  void ungetChar();
+
+  /// Returns a boolean indicating whether the given input character is valid
+  /// for an identifier or not.
+  bool isValidForIdentifier(char c);
+
+  // The property to store the ast tree
+  exprs::Ast ast;
+
+  exprs::Node readSymbol();
+  exprs::Node readNumber(bool);
+  exprs::Node readList();
+  exprs::Node readExpr();
+
+public:
+  Reader() : input_stream(""){};
+  Reader(const llvm::StringRef string);
+
+  void setInput(const llvm::StringRef string);
+
+  /// Parses the the input and creates a possible AST out of it or errors
+  /// otherwise.
+  Result<exprs::Ast> read();
+
+  ~Reader();
+};
+
+/// A reader to read the content of a file as AST
+class FileReader {
+  std::string file;
+  Reader *reader;
+
+public:
+  FileReader(const std::string file_name)
+      : file(file_name), reader(new Reader()) {}
+
+  Result<exprs::Ast> read();
+
+  ~FileReader();
+};
+
+/// Parses the given `input` string and returns a `Result<ast>`
+/// which may contains an AST or an `llvm::Error`
+Result<exprs::Ast> read(llvm::StringRef input);
+
+} // namespace serene::reader
+#endif

include/serene/reader/semantics.h

@@ -0,0 +1,49 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef READER_SEMANTICS_H
+#define READER_SEMANTICS_H
+
+#include "serene/context.h"
+#include "serene/errors/error.h"
+#include "serene/exprs/expression.h"
+
+namespace serene::reader {
+using AnalyzeResult = Result<exprs::Ast, std::vector<exprs::ErrorPtr>>;
+/// The entry point to the Semantic analysis phase. It calls the `analyze`
+/// method of each node in the given AST and creates a new AST that contains a
+/// more comprehensive set of nodes in a semantically correct AST. If the
+/// `analyze` method of a node return a `nullptr` value as the `success` result
+/// (Checkout the `Result` type in `utils.h`) then the original node will be
+/// used instead. Also please note that in **Serene** Semantic errors
+/// represented as AST nodes as well. So you should expect an `analyze` method
+/// of a node to return a `Result<node>::Success(Error...)` in case of a
+/// semantic error.
+///
+/// \param ctx The semantic analysis context
+/// \param inputAst The raw AST to analyze and possibly rewrite.
+AnalyzeResult analyze(serene::SereneContext &ctx, exprs::Ast &tree);
+}; // namespace serene::reader
+
+#endif

include/serene/reader/traits.h

@@ -0,0 +1,46 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef READER_TRAITS_H
+#define READER_TRAITS_H
+
+#include "serene/reader/location.h"
+#include "serene/traits.h"
+
+namespace serene::reader {
+
+template <typename ConcreteType>
+class ILocatable : public TraitBase<ConcreteType, ILocatable> {
+public:
+  ILocatable(){};
+  ILocatable(const ILocatable &) = delete;
+  serene::reader::LocationRange &where() const {
+    return this->Object().where();
+  }
+};
+
+template <typename T>
+serene::reader::LocationRange &where(ILocatable<T> &);
+} // namespace serene::reader
+#endif

include/serene/serene.h

@@ -0,0 +1,33 @@
+/*
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef SERENE_H
+#define SERENE_H
+
+// Sometimes we need this to make both analyzer happy
+// and the fn signature right.
+#define UNUSED(x) (void)(x)
+
+namespace serene {}
+#endif

include/serene/slir/CMakeLists.txt

@@ -0,0 +1,8 @@
+set(LLVM_TARGET_DEFINITIONS dialect.td)
+
+mlir_tablegen(ops.h.inc -gen-op-decls)
+mlir_tablegen(ops.cpp.inc -gen-op-defs)
+mlir_tablegen(dialect.h.inc -gen-dialect-decls)
+mlir_tablegen(dialect.cpp.inc -gen-dialect-defs)
+
+add_public_tablegen_target(SereneDialectGen)

include/serene/slir/dialect.h

@@ -0,0 +1,43 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef SERENE_SLIR_DIALECT_H_
+#define SERENE_SLIR_DIALECT_H_
+
+#include "mlir/IR/BuiltinOps.h"
+#include "mlir/IR/Dialect.h"
+#include "mlir/Interfaces/SideEffectInterfaces.h"
+#include "mlir/Interfaces/ControlFlowInterfaces.h"
+
+// Include the auto-generated header file containing the declaration of the
+// serene's dialect.
+#include "serene/slir/dialect.h.inc"
+
+// Include the auto-generated header file containing the declarations of the
+// serene's operations.
+// for more on GET_OP_CLASSES: https://mlir.llvm.org/docs/OpDefinitions/
+#define GET_OP_CLASSES
+
+#include "serene/slir/ops.h.inc"
+
+#endif // DIALECT_H_

include/serene/slir/dialect.td

@@ -0,0 +1,98 @@
+#ifndef SERENE_DIALECT
+#define SERENE_DIALECT
+
+include "mlir/IR/OpBase.td"
+include "mlir/IR/OpAsmInterface.td"
+include "mlir/IR/SymbolInterfaces.td"
+include "mlir/Interfaces/SideEffectInterfaces.td"
+include "mlir/Interfaces/CallInterfaces.td"
+include "mlir/Interfaces/CastInterfaces.td"
+include "mlir/Interfaces/SideEffectInterfaces.td"
+include "mlir/Interfaces/ControlFlowInterfaces.td"
+include "mlir/Interfaces/DataLayoutInterfaces.td"
+include "mlir/Interfaces/VectorInterfaces.td"
+
+
+// Dialect definition. It will directly generate the SereneDialect class
+def Serene_Dialect : Dialect {
+    let name = "serene";
+    let cppNamespace = "::serene::slir";
+    let summary = "Primary IR of serene language.";
+    let description = [{
+        This dialect tries to map the special forms of a lisp into
+        IR level operations.
+    }];
+}
+
+// Base class for Serene dialect operations. This operation inherits from the base
+// `Op` class in OpBase.td, and provides:
+//   * The parent dialect of the operation.
+//   * The mnemonic for the operation, or the name without the dialect prefix.
+//   * A list of traits for the operation.
+class Serene_Op<string mnemonic, list<OpTrait> traits = []> :
+    Op<Serene_Dialect, mnemonic, traits>;
+
+
+// All of the types will extend this class.
+class Serene_Type<string name> : TypeDef<Serene_Dialect, name> { }
+
+
+def ValueOp: Serene_Op<"value"> {
+
+    let summary = "This operation represent a value";
+    let description = [{
+        ValueOp
+    }];
+
+    let arguments = (ins I64Attr:$value);
+    let results = (outs I64);
+
+    //let verifier = [{ return serene::sir::verify(*this); }];
+
+    let builders = [
+        OpBuilder<(ins "int":$value), [{
+        // Build from fix 64 bit int
+        build(odsBuilder, odsState, odsBuilder.getI64Type(), (uint64_t) value);
+        }]>,
+
+    ];
+}
+
+
+
+// TODO: Add the FunctionLike trait here and include its header file in dialect.h
+def FnOp: Serene_Op<"fn", [
+  AffineScope, AutomaticAllocationScope,
+  IsolatedFromAbove,
+]> {
+
+    let summary = "This operation is just a place holder for a function";
+    let description = [{
+        A place holder for an anonymous function. For example consider an expression
+        like `(def a (fn (x) x))`, in this case we don't immediately create an anonymous
+        function since we need to set the name and create the function later.
+    }];
+
+    let arguments = (ins StrAttr:$name,
+                         DictionaryAttr:$args,
+                         OptionalAttr<StrAttr>:$sym_visibility);
+
+    let regions = (region AnyRegion:$body);
+    let results = (outs I64);
+
+}
+
+def ReturnOp: Serene_Op<"return", [NoSideEffect, HasParent<"FnOp">,
+                                   ReturnLike, Terminator]> {
+
+    let summary = "This operation marks the return value of a function";
+    let description = [{
+        ReturnOp
+    }];
+
+    let arguments = (ins AnyType:$operand);
+    let assemblyFormat =
+          [{ attr-dict $operand  `:` type($operand) }];
+}
+
+#endif // SERENE_DIALECT

include/serene/slir/generatable.h

@@ -0,0 +1,126 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef SERENE_SLIR_GENERATABLE_H
+#define SERENE_SLIR_GENERATABLE_H
+
+#include "serene/slir/dialect.h"
+#include "serene/traits.h"
+
+#include <llvm/ADT/STLExtras.h>
+#include <llvm/IR/Module.h>
+#include <llvm/Support/Casting.h>
+#include <llvm/Support/TargetSelect.h>
+#include <mlir/ExecutionEngine/ExecutionEngine.h>
+#include <mlir/ExecutionEngine/OptUtils.h>
+#include <mlir/IR/BuiltinOps.h>
+#include <mlir/IR/MLIRContext.h>
+#include <mlir/Support/LogicalResult.h>
+#include <mlir/Target/LLVMIR/Dialect/LLVMIR/LLVMToLLVMIRTranslation.h>
+#include <mlir/Target/LLVMIR/ModuleTranslation.h>
+#include <stdexcept>
+#include <utility>
+
+namespace serene {
+class Namespace;
+class SereneContext;
+} // namespace serene
+
+namespace serene::slir {
+
+template <typename T>
+class GeneratableUnit : public TraitBase<T, GeneratableUnit> {
+public:
+  GeneratableUnit(){};
+  GeneratableUnit(const GeneratableUnit &) = delete;
+
+  void generate(serene::Namespace &ns) {
+    // TODO: should we return any status or possible error here or
+    //       should we just populate them in a ns wide state?
+    this->Object().generateIR(ns);
+  };
+};
+
+template <typename T>
+class Generatable : public TraitBase<T, Generatable> {
+public:
+  Generatable(){};
+  Generatable(const Generatable &) = delete;
+
+  mlir::LogicalResult generate() { return this->Object().generate(); };
+  mlir::LogicalResult runPasses() { return this->Object().runPasses(); };
+
+  mlir::ModuleOp &getModule() { return this->Object().getModule(); };
+  serene::SereneContext &getContext() { return this->Object().getContext(); };
+
+  void dump() { this->Object().dump(); };
+};
+
+template <typename T>
+mlir::LogicalResult generate(Generatable<T> &t) {
+  return t.generate();
+};
+
+template <typename T>
+std::unique_ptr<llvm::Module> toLLVMIR(Generatable<T> &t) {
+  auto &module = t.getModule();
+  auto &ctx    = t.getContext();
+  // Register the translation to LLVM IR with the MLIR context.
+  mlir::registerLLVMDialectTranslation(ctx.mlirContext);
+
+  // Convert the module to LLVM IR in a new LLVM IR context.
+  auto llvmModule = mlir::translateModuleToLLVMIR(module, ctx.llvmContext);
+  if (!llvmModule) {
+    // TODO: Return a Result type instead
+    llvm::errs() << "Failed to emit LLVM IR\n";
+    throw std::runtime_error("Failed to emit LLVM IR\n");
+  }
+
+  // Initialize LLVM targets.
+  llvm::InitializeNativeTarget();
+  llvm::InitializeNativeTargetAsmPrinter();
+
+  // TODO: replace this call with our own version of setupTargetTriple
+  mlir::ExecutionEngine::setupTargetTriple(llvmModule.get());
+
+  /// Optionally run an optimization pipeline over the llvm module.
+  auto optPipeline = mlir::makeOptimizingTransformer(
+      /*optLevel=*/ctx.getOptimizatioLevel(), /*sizeLevel=*/0,
+      /*targetMachine=*/nullptr);
+  if (auto err = optPipeline(llvmModule.get())) {
+    llvm::errs() << "Failed to optimize LLVM IR " << err << "\n";
+    throw std::runtime_error("Failed to optimize LLVM IR");
+  }
+
+  return std::move(llvmModule);
+};
+
+template <typename T>
+void dump(Generatable<T> &t) {
+  t.dump();
+};
+
+} // namespace serene::slir
+
+#endif

include/serene/slir/slir.h

@@ -0,0 +1,40 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef SERENE_SLIR_H
+#define SERENE_SLIR_H
+
+#include "serene/exprs/expression.h"
+
+#include <memory>
+#include <mlir/IR/BuiltinOps.h>
+#include <mlir/IR/MLIRContext.h>
+
+namespace serene {
+namespace slir {
+std::unique_ptr<llvm::Module> compileToLLVMIR(serene::SereneContext &ctx,
+                                              mlir::ModuleOp &module);
+} // namespace slir
+} // namespace serene
+
+#endif

include/serene/slir/utils.h

@@ -0,0 +1,45 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef SERENE_SLIR_UTILS_H
+#define SERENE_SLIR_UTILS_H
+
+#include "mlir/IR/BuiltinOps.h"
+#include "serene/reader/location.h"
+
+namespace serene {
+class Namespace;
+}
+
+namespace serene::slir {
+
+/**
+ * Convert a Serene location to MLIR FileLineLoc Location
+ */
+::mlir::Location toMLIRLocation(serene::Namespace &,
+                                serene::reader::Location &);
+
+} // namespace serene::slir
+
+#endif

include/serene/traits.h

@@ -0,0 +1,128 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/**
+ * This is a CRTP based Trait implementation that allows to use Trait like
+ * classes to create polymorphic functions and API statically at compile type
+ * without any runtime shenanigans. For more on CRTP checkout:
+ *
+ * https://en.wikipedia.org/wiki/Curiously_recurring_template_pattern
+ *
+ * In order to define a trait, use the `TraitBase` class like:
+
+ * \code
+ * template <typename ConcreteType>
+ * class Blahable : public TraitBase<ConcreteType, Blahable> {}
+ * \endcode
+ *
+ * Every Trait has to take the `ConcreteType` as template argument and pass it
+ * to the `TraitBase`. Checkout the documentation of `TraitBase` for more info
+ * on creating a new Trait.
+ *
+ * Alongside with each Trait type, you should provide the "Official" interface
+ * of the Trait via some standalone functions that operates on the Trait type.
+ * For example Imagine we have a Trait type called `ABC` with two main
+ * functionality `foo` and `bar`. We need to create two functions as follows:
+ *
+ * \code
+ * template <typename T>
+ * SomeType Foo(ABC<T> &t) { return t.foo(); };
+ *
+ * template <typename T>
+ * SomeType bar(ABC<T> &t, int x) { return t.bar(x); };
+ * \endcode
+ *
+ * These two functions will be the official interface to the trait `ABC`.
+ * IMPORTANT NOTE: Make sure to pass a reference of type `ABC<T>` to the
+ * functions and DO NOT PASS BY COPY. Since copying will copy the value by the
+ * trait type only, we would not be able to statically case it to the
+ * implementor type and it will lead to some allocation problem.
+ *
+ * Traits can be used via `WithTrait` helper class which provides a clean
+ * interface to mix and match Trait types.
+ *
+ */
+#ifndef SERENE_TRAITS_H
+#define SERENE_TRAITS_H
+
+#include <string>
+#include <type_traits>
+
+namespace serene {
+
+/// A placeholder structure that replaces the concrete type of the
+/// Imlementations Which might have child classes.
+struct FinalImpl;
+
+/// In order to use Traits, we can use `WithTrait` class as the base
+/// of any implementation class and pass the Trait classes as template argument
+/// for example:
+///
+/// \code
+/// class Expression : public WithTrait<Expression, Printable, Locatable> {}
+/// \endcode
+template <typename ConcreteType, template <typename T> class... Traits>
+class WithTrait : public Traits<ConcreteType>... {
+protected:
+  WithTrait(){};
+  friend ConcreteType;
+};
+
+/// This class provides the common functionality among the Trait Types and
+/// every Trait has to inherit from this class. Here is an example:
+///
+/// \code
+/// template <typename ConcreteType>
+/// class Blahable : public TraitBase<ConcreteType, Blahable> {}
+/// \endcode
+///
+/// In the Trait class the underlaying object which implements the Trait
+/// is accessable via the `Object` method.
+template <typename ConcreteType, template <typename> class TraitType>
+class TraitBase {
+protected:
+  /// Statically casts the object to the concrete type object to be
+  /// used in the Trait Types.
+  // const ConcreteType &Object() const {
+  //   return static_cast<const ConcreteType &>(*this);
+  // };
+
+  ConcreteType &Object() { return static_cast<ConcreteType &>(*this); };
+};
+
+template <typename ConcreteType>
+class IDebuggable : public TraitBase<ConcreteType, IDebuggable> {
+public:
+  IDebuggable(){};
+  IDebuggable(const IDebuggable &) = delete;
+  std::string toString() const { return this->Object().toString(); }
+};
+
+template <typename T>
+std::string toString(IDebuggable<T> &t) {
+  return t.toString();
+}
+
+}; // namespace serene
+#endif

include/serene/traits/locatable.h

@@ -0,0 +1,28 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef TRAITS_LOCATABLE_H
+#define TRAITS_LOCATABLE_H
+
+#endif

include/serene/types/type.h

@@ -0,0 +1,41 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef SERENE_TYPES_TYPE_H
+#define SERENE_TYPES_TYPE_H
+
+#include <string>
+
+namespace serene::types {
+
+class Type {
+public:
+  virtual ~Type() = default;
+
+  /// The AST representation of a type
+  virtual std::string toString() const = 0;
+};
+}; // namespace serene::types
+
+#endif

include/serene/utils.h

@@ -0,0 +1,124 @@
+/* -*- C++ -*-
+ * Serene programming language.
+ *
+ *  Copyright (c) 2019-2021 Sameer Rahmani <lxsameer@gnu.org>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef SERENE_UTILS_H
+#define SERENE_UTILS_H
+
+#include "llvm/Support/Error.h"
+
+#include <variant>
+
+// C++17 required. We can't go back to 14 any more :))
+
+namespace serene {
+
+/// A similar type to Rust's Result data structure. It either holds a value of
+/// type `T` successfully or holds a value of type `E` errorfully. It is
+/// designed to be used in situations which the return value of a function might
+/// contains some errors. The official way to use this type is to use the
+/// factory functions `Success` and `Error`. For example:
+///
+/// \code
+/// auto successfulResult = Result<int>::success(3);
+/// auto notOkResult = Result<int>::error(SomeLLVMError());
+// \endcode
+///
+/// In order check for a value being errorful or successful checkout the `ok`
+/// method or simply use the value as a conditiona.
+template <typename T, typename E = llvm::Error>
+class Result {
+
+  // The actual data container
+  std::variant<T, E> contents;
+
+  /// The main constructor which we made private to avoid ambiguousness in
+  /// input type. `Success` and `Error` call this ctor.
+  template <typename InPlace, typename Content>
+  Result(InPlace i, Content &&c) : contents(i, std::forward<Content>(c)){};
+
+public:
+  /// Create a succesfull result with the given value of type `T`.
+  static Result success(T v) {
+    return Result(std::in_place_index_t<0>(), std::move(v));
+  }
+
+  /// Create an errorful result with the given value of type `E` (default
+  /// `llvm::Error`).
+  static Result error(E e) {
+    return Result(std::in_place_index_t<1>(), std::move(e));
+  }
+
+  /// Return the value if it's successful otherwise throw an error
+  T &&getValue() && { return std::move(std::get<0>(contents)); };
+
+  /// Return the error value if it's errorful otherwise throw an error
+  E &&getError() && { return std::move(std::get<1>(contents)); };
+
+  // using std::get, it'll throw if contents doesn't contain what you ask for
+
+  /// Return the value if it's successful otherwise throw an error
+  T &getValue() & { return std::get<0>(contents); };
+
+  /// Return the error value if it's errorful otherwise throw an error
+  E &getError() & { return std::get<1>(contents); };
+
+  const T &getValue() const & { return std::get<0>(contents); }
+  const E &getError() const & { return std::get<1>(contents); }
+
+  /// Return the a boolean value indicating whether the value is succesful
+  /// or errorful.
+  bool ok() const { return std::holds_alternative<T>(contents); };
+
+  operator bool() const { return ok(); }
+
+  const T &getValueOrFail(llvm::StringRef msg, int exitCode = 1) const & {
+    if (ok()) {
+      return getValue();
+    }
+
+    llvm::errs() << msg << "\n";
+    exit(exitCode);
+  }
+
+  T &getValueOrFail(llvm::StringRef msg, int exitCode = 1) & {
+    if (ok()) {
+      return getValue();
+    }
+
+    llvm::errs() << msg << "\n";
+    exit(exitCode);
+  }
+
+  T &&getValueOrFail(llvm::StringRef msg, int exitCode = 1) && {
+    if (ok()) {
+      return std::move(getValue());
+    }
+
+    llvm::errs() << msg << "\n";
+    exit(exitCode);
+  }
+};
+
+} // namespace serene
+#endif

include/serene_precompiles.h

@@ -0,0 +1,92 @@
+// DO NOT EDIT THIS FILE: It is aute generated by './builder
+// gen_precompile_index'
+#ifndef SERENE_PRECOMPIL_H
+#define SERENE_PRECOMPIL_H
+#include "mlir/Dialect/StandardOps/IR/Ops.h"
+#include "mlir/IR/Attributes.h"
+#include "mlir/IR/Builders.h"
+#include "mlir/IR/BuiltinAttributes.h"
+#include "mlir/IR/BuiltinOps.h"
+#include "mlir/IR/BuiltinTypes.h"
+#include "mlir/IR/Dialect.h"
+#include "mlir/IR/Identifier.h"
+#include "mlir/IR/Location.h"
+#include "mlir/IR/MLIRContext.h"
+#include "mlir/IR/OpDefinition.h"
+#include "mlir/IR/OpImplementation.h"
+#include "mlir/IR/Value.h"
+#include "mlir/Interfaces/SideEffectInterfaces.h"
+#include "mlir/Support/LogicalResult.h"
+
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/Casting.h"
+#include "llvm/Support/Errc.h"
+#include "llvm/Support/Error.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/ErrorOr.h"
+#include "llvm/Support/FormatVariadic.h"
+#include "llvm/Support/MemoryBuffer.h"
+
+#include <llvm/ADT/ArrayRef.h>
+#include <llvm/ADT/Optional.h>
+#include <llvm/ADT/STLExtras.h>
+#include <llvm/ADT/SmallString.h>
+#include <llvm/ADT/StringRef.h>
+#include <llvm/ExecutionEngine/JITEventListener.h>
+#include <llvm/ExecutionEngine/ObjectCache.h>
+#include <llvm/ExecutionEngine/Orc/CompileUtils.h>
+#include <llvm/ExecutionEngine/Orc/ExecutionUtils.h>
+#include <llvm/ExecutionEngine/Orc/IRCompileLayer.h>
+#include <llvm/ExecutionEngine/Orc/IRTransformLayer.h>
+#include <llvm/ExecutionEngine/Orc/JITTargetMachineBuilder.h>
+#include <llvm/ExecutionEngine/Orc/LLJIT.h>
+#include <llvm/ExecutionEngine/Orc/RTDyldObjectLinkingLayer.h>
+#include <llvm/ExecutionEngine/SectionMemoryManager.h>
+#include <llvm/IR/LLVMContext.h>
+#include <llvm/IR/LegacyPassManager.h>
+#include <llvm/IR/Module.h>
+#include <llvm/IR/Value.h>
+#include <llvm/Support/Casting.h>
+#include <llvm/Support/CodeGen.h>
+#include <llvm/Support/CommandLine.h>
+#include <llvm/Support/Debug.h>
+#include <llvm/Support/ErrorHandling.h>
+#include <llvm/Support/FileSystem.h>
+#include <llvm/Support/FormatVariadic.h>
+#include <llvm/Support/Host.h>
+#include <llvm/Support/Path.h>
+#include <llvm/Support/TargetRegistry.h>
+#include <llvm/Support/TargetSelect.h>
+#include <llvm/Support/ToolOutputFile.h>
+#include <llvm/Support/raw_ostream.h>
+#include <llvm/Target/TargetMachine.h>
+#include <llvm/Target/TargetOptions.h>
+#include <mlir/Conversion/AffineToStandard/AffineToStandard.h>
+#include <mlir/Conversion/SCFToStandard/SCFToStandard.h>
+#include <mlir/Conversion/StandardToLLVM/ConvertStandardToLLVM.h>
+#include <mlir/Conversion/StandardToLLVM/ConvertStandardToLLVMPass.h>
+#include <mlir/Dialect/Affine/IR/AffineOps.h>
+#include <mlir/Dialect/LLVMIR/LLVMDialect.h>
+#include <mlir/Dialect/MemRef/IR/MemRef.h>
+#include <mlir/Dialect/SCF/SCF.h>
+#include <mlir/Dialect/StandardOps/IR/Ops.h>
+#include <mlir/ExecutionEngine/ExecutionEngine.h>
+#include <mlir/ExecutionEngine/OptUtils.h>
+#include <mlir/IR/Block.h>
+#include <mlir/IR/Builders.h>
+#include <mlir/IR/BuiltinOps.h>
+#include <mlir/IR/MLIRContext.h>
+#include <mlir/IR/OperationSupport.h>
+#include <mlir/IR/OwningOpRef.h>
+#include <mlir/IR/Value.h>
+#include <mlir/Pass/Pass.h>
+#include <mlir/Pass/PassManager.h>
+#include <mlir/Support/FileUtilities.h>
+#include <mlir/Support/LLVM.h>
+#include <mlir/Support/LogicalResult.h>
+#include <mlir/Target/LLVMIR/Dialect/LLVMIR/LLVMToLLVMIRTranslation.h>
+#include <mlir/Target/LLVMIR/ModuleTranslation.h>
+#include <mlir/Transforms/DialectConversion.h>
+#endif

maths/cheatsheet.tex

@@ -1,27 +0,0 @@
-\documentclass{article}
-
-\title{Serene's mathematical cheatsheet}
-\author{Sameer Rahmani}
-\date{January 2024}
-\NeedsTeXFormat{LaTeX2e}
-\usepackage[default,light,semibold]{sourcesanspro}
-\setsansfont{Source Sans Pro}
-\usepackage{etoolbox}
-\usepackage{titlesec}
-\usepackage{fontspec}
-\usepackage[left=0.6in,top=0.3in,right=0.6in,bottom=0.6in]{geometry} % Document margins
-\usepackage{hyperref}
-\usepackage{mfirstuc}
-
-\edef\restoreparindent{\parindent=\the\parindent\relax}
-\usepackage{parskip}
-\restoreparindent{}
-\pagestyle{empty}
-
-
-\begin{document}
-\maketitle
-
-\newpage
-
-\end{document}

mkdocs.yml

@@ -1,135 +0,0 @@
-site_name: Serene Programming Language
-site_description: A modern, typed lisp
-site_author: lxsameer
-repo_url: https://devheroes.codes/serene/serene
-repo_name: Serene
-copyright: Copyright © 2019 - 2023 Sameer Rahmani
-edit_uri: _edit/master/docs/pages/
-
-docs_dir: ./docs/pages
-site_dir: ./build/docs
-
-nav:
-  - Home: 'index.md'
-  - Getting Started: 'getting_started.md'
-  - Resources: 'resources.md'
-
-theme:
-  name: material
-  logo: /images/serene.png
-  favicon: /images/serene.png
-  icon:
-    repo: fontawesome/brands/git-alt
-    edit: material/pencil
-    view: material/eye
-
-  features:
-    - content.action.edit
-    - navigation.tracking
-    - navigation.instant
-    - navigation.tabs
-    - navigation.tabs.sticky
-    - navigation.sections
-    - navigation.expand
-    - navigation.indexes
-    - toc.follow
-    - toc.integrate
-    - navigation.top
-    - search.suggest
-    - search.highlight
-    - search.share
-    - header.autohide
-    - navigation.footer
-    - content.code.copy
-    - content.code.annotate
-
-  palette:
-    - scheme: slate
-      # toggle:
-      #   icon: material/brightness-4
-      #   name: Switch to light mode
-      primary: deep purple
-      accent: amber
-
-    # # Palette toggle for light mode
-    # - scheme: default
-    #   toggle:
-    #     icon: material/brightness-7
-    #     name: Switch to dark mode
-    #   primary: deep purple
-    #   accent: amber
-    # # Palette toggle for dark mode
-
-
-
-
-plugins:
-  - git-revision-date-localized:
-      enable_creation_date: true
-  - search
-
-  # - social:
-  #     concurrency: 16
-  - tags
-      #tags_file: tags.md
-
-  - mike:
-      # These fields are all optional; the defaults are as below...
-      alias_type: symlink
-      redirect_template: null
-      deploy_prefix: ''
-      canonical_version: null
-      version_selector: true
-      css_dir: css
-      javascript_dir: js
-
-extra:
-  version:
-    provider: mike
-  social:
-    - icon: fontawesome/brands/mastodon
-      link: https://social.lxsameer.com/@lxsameer
-    - icon: fontawesome/brands/twitter
-      link: https://twitter.com/@lxsameer
-    - icon: fontawesome/brands/youtube
-      link: https://www.youtube.com/c/lxsameer
-
-  generator: false
-
-extra_css:
-  - stylesheets/extra.css
-
-markdown_extensions:
-  - attr_list
-  - md_in_html
-  - def_list
-  - footnotes
-  - tables
-  - md_in_html
-  - pymdownx.superfences
-  - admonition
-  - pymdownx.details
-  - pymdownx.highlight:
-      anchor_linenums: true
-      line_spans: __span
-      pygments_lang_class: true
-  - pymdownx.inlinehilite
-  - pymdownx.snippets
-  - pymdownx.superfences
-  - pymdownx.superfences:
-      custom_fences:
-        - name: mermaid
-          class: mermaid
-          format: !!python/name:pymdownx.superfences.fence_code_format
-  - pymdownx.tasklist:
-      custom_checkbox: true
-  - pymdownx.emoji:
-      emoji_index: !!python/name:materialx.emoji.twemoji
-      emoji_generator: !!python/name:materialx.emoji.to_svg
-  - pymdownx.arithmatex:
-      generic: true
-
-extra_javascript:
-  - javascripts/mathjax.js
-  - https://polyfill.io/v3/polyfill.min.js?features=es6
-  - https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js

nix/boehmgc.nix

@@ -1,76 +0,0 @@
-{ lib,
-  stdenv,
-  fetchurl,
-  nixVersions,
-  libatomic_ops,
-  cmake,
-  ninja,
-}:
-
-stdenv.mkDerivation (finalAttrs: rec {
-  pname = "boehmgc";
-  version = "8.2.4";
-
-  src = fetchurl {
-    urls = [
-      "https://github.com/ivmai/bdwgc/releases/download/v${finalAttrs.version}/gc-${finalAttrs.version}.tar.gz"
-    ];
-    sha256 = "sha256-PQ082+B3QD0xBrtA8Mu1Y0E9bv27Kn4c1ohlld7Ej8I=";
-  };
-
-
-  nativeBuildInputs = [ cmake ninja  ];
-  buildInputs = [ libatomic_ops ];
-  #outputs = [ "out" "dev" "doc" ];
-  ninjaFlags = [ "-v" ];
-  cmakeFlags = [
-    #"-Denable_cplusplus=ON"
-    "-Ddefault_enable_threads=ON"
-    "-DBUILD_SHARED_LIBS=OFF"
-    "-Denable_threads=ON"
-    "-Denable_parallel_mark=ON"
-    "-Denable_thread_local_alloc=ON"
-    "-Denable_mmap=ON"
-    # TODO: Do we want to return the pages to the OS if empty for N collections?
-    "-Denable_munmap=ON"
-    "-Denable_werror=ON"
-    # TODO: Do we want the entire GC in a single object file?
-    "-Denable_single_obj_compilation=ON"
-    "-Dwith_libatomic_ops=OFF"
-    "-Dwithout_libatomic_ops=ON"
-    "-DCMAKE_INSTALL_LIBDIR=${placeholder "out"}/lib"
-  ];
-
-  # `gctest` fails under emulation on aarch64-darwin
-  doCheck = !(stdenv.isDarwin && stdenv.isx86_64);
-
-  enableParallelBuilding = true;
-
-  passthru.tests = nixVersions;
-
-  meta = with lib; {
-    homepage = "https://hboehm.info/gc/";
-    description = "The Boehm-Demers-Weiser conservative garbage collector for C and C++";
-    longDescription = ''
-      The Boehm-Demers-Weiser conservative garbage collector can be used as a
-      garbage collecting replacement for C malloc or C++ new.  It allows you
-      to allocate memory basically as you normally would, without explicitly
-      deallocating memory that is no longer useful.  The collector
-      automatically recycles memory when it determines that it can no longer
-      be otherwise accessed.
-
-      The collector is also used by a number of programming language
-      implementations that either use C as intermediate code, want to
-      facilitate easier interoperation with C libraries, or just prefer the
-      simple collector interface.
-
-      Alternatively, the garbage collector may be used as a leak detector for
-      C or C++ programs, though that is not its primary goal.
-    '';
-    # non-copyleft, X11-style license
-    changelog = "https://github.com/ivmai/bdwgc/blob/v${finalAttrs.version}/ChangeLog";
-    license = "https://hboehm.info/gc/license.txt";
-    maintainers = with maintainers; [ AndersonTorres ];
-    platforms = platforms.all;
-  };
-})

nix/overlays.nix

@@ -1,111 +0,0 @@
-# Serene Programming Language
-#
-# Copyright (c) 2019-2024 Sameer Rahmani <lxsameer@gnu.org>
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, version 2.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-{ ... }:
-with builtins;
-let getEnv = p: (p.env or { }).NIX_LDFLAGS or p.NIX_LDFLAGS or "";
-in {
-  # Most of these overlays are do to bugs and problems
-  # in upstream nixpkgs. But thanks to their design
-  # We can fix them using these overlays and contribute
-  # them upstream little by little.
-  sereneDev = (final: prev:
-    if !prev.stdenv.hostPlatform.isLinux then
-      prev
-    else {
-
-      p11-kit = prev.p11-kit.overrideAttrs
-        (old: { patches = [ ./nix/patches/p11-kit_skip_test.patch ]; });
-
-      cpio = prev.cpio.overrideAttrs (old: {
-        nativeBuildInputs = [ final.autoreconfHook ];
-        NIX_CFLAGS_COMPILE = "-Wno-implicit-function-declaration";
-      });
-
-      libedit = prev.libedit.overrideAttrs (old: {
-        # Musl is ISO 10646 compliant but doesn't define __STDC_ISO_10646__ we need to do it ourselves
-        NIX_CFLAGS_COMPILE = "-D__STDC_ISO_10646__=201103L";
-      });
-
-      elfutils = prev.elfutils.overrideAttrs (old: {
-        # libcxx does not have __cxa_demangle
-        configureFlags = old.configureFlags ++ [ "--disable-demangler" ];
-      });
-
-      ccache = prev.ccache.overrideAttrs (old: {
-        nativeBuildInputs = old.nativeBuildInputs ++ [ final.elfutils ];
-      });
-
-      # We don't need systemd at all
-      util-linux = prev.util-linux.override { systemdSupport = false; };
-
-      # libpam exmaples use glibc. We need to disable them
-      linux-pam = prev.linux-pam.overrideAttrs (old: {
-        postConfigure = ''
-          sed 's/examples//' -i Makefile
-        '';
-      });
-
-      #=============================================================
-      # Since we're using lld-18, and --no-undefined-version is the
-      # default in lld-18. We need to explicitly turn it off for
-      # these problematic packages untill they fix it upstream.
-      libxcrypt = prev.libxcrypt.overrideAttrs (old: {
-        env.NIX_LDFLAGS = "${getEnv old} --undefined-version";
-
-        #old.NIX_FLAGS ++ final.lib.optional (prev.stdenv.cc.isClang)
-      });
-
-      ncurses = prev.ncurses.overrideAttrs
-        (old: { env.NIX_LDFLAGS = "${getEnv old} --undefined-version"; });
-
-      libbsd = prev.libbsd.overrideAttrs (old: {
-        env.NIX_LDFLAGS = "${getEnv old} --undefined-version";
-        # NIX_LDFLAGS = [ ] ++ final.lib.optional (prev.stdenv.cc.isClang)
-        #   [ "--undefined-version" ];
-      });
-
-      libxml2 = prev.libxml2.overrideAttrs (old: {
-        env.NIX_LDFLAGS = "${getEnv old} --undefined-version";
-        propagatedBuildInputs = old.propagatedBuildInputs
-          ++ [ final.zlib.static ];
-        # NIX_LDFLAGS = [ ] ++ final.lib.optional (prev.stdenv.cc.isClang)
-        #   [ "--undefined-version" ];
-      });
-
-      # binutils = prev.binutils.overrideAttrs (old: {
-      #   env.NIX_LDFLAGS = (getEnv old NIX_LDFLAGS " ") ++ "--undefined-version";
-      #   buildInputs = [ final.zlib final.gettext final.zlib.static ];
-      # });
-
-    });
-
-  iwyu = (final: prev: {
-    iwyu = (prev.include-what-you-use.overrideAttrs (old:
-      let version = "0.22";
-      in {
-        inherit version;
-
-        src = prev.fetchurl {
-          url =
-            "${old.meta.homepage}/downloads/${old.pname}-${version}.src.tar.gz";
-          hash = "sha256-hZB0tGHqS4MlpzQYwgfKM7XmVmsI5rWH65FkQWVppt0=";
-        };
-        cmakeFlags = [ "-DCMAKE_PREFIX_PATH=${prev.llvmPackages_18.llvm.dev}" ];
-
-      })).override { llvmPackages = prev.__splicedPackages.llvmPackages_18; };
-
-  });
-}

nix/patches/p11-kit_skip_test.patch

@@ -1,27 +0,0 @@
-From 132b779414c2236c1350b578b59c8edcfc4c5a14 Mon Sep 17 00:00:00 2001
-From: Sameer Rahmani <lxsameer@gnu.org>
-Date: Sat, 25 Nov 2023 13:14:42 +0000
-Subject: [PATCH] test
-
----
- common/test.c | 5 +++--
- 1 file changed, 3 insertions(+), 2 deletions(-)
-
-diff --git a/common/test.c b/common/test.c
-index 6cdbd1fa2118..6cd6f84bcdc7 100644
---- a/common/test.c
-+++ b/common/test.c
-@@ -614,8 +614,9 @@ p11_test_copy_setgid (const char *input,
- 	assert (fd >= 0);
-
- 	copy_file (input, fd);
--	if (fchown (fd, getuid (), group) < 0)
--		assert_not_reached ();
-+	if (fchown (fd, getuid (), group) < 0) {
-+		return NULL;
-+	}
- 	if (fchmod (fd, 02750) < 0)
- 		assert_not_reached ();
- 	if (close (fd) < 0)
---
-2.41.0

nix/utils.nix

@@ -1,29 +0,0 @@
-# Serene Programming Language
-#
-# Copyright (c) 2019-2024 Sameer Rahmani <lxsameer@gnu.org>
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, version 2.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-{ nixpkgs }: {
-  getPkgs = system: overlays:
-    if system == "x86_64-linux" then
-      import nixpkgs {
-        inherit system overlays;
-        linker = "lld";
-        crossSystem = nixpkgs.lib.systems.examples.musl64 // {
-          useLLVM = true;
-        };
-      }
-    else
-      import nixpkgs { inherit system overlays; };
-
-}

resources/docker/llvm/Dockerfile

@@ -1,69 +0,0 @@
-FROM docker.io/debian:sid-slim
-
-ARG VERSION
-
-RUN apt-get update &&  \
-    apt-get install --no-install-recommends -y \
-    gnupg \
-    cmake \
-    ccache \
-    git \
-    ninja-build \
-    binutils \
-    lsb-release \
-    wget \
-    software-properties-common \
-    zlib1g \
-    cppcheck \
-    shellcheck \
-    zlib1g-dev
-
-RUN wget https://apt.llvm.org/llvm.sh && chmod +x llvm.sh
-RUN ./llvm.sh ${VERSION} all
-RUN apt-get update --fix-missing && \
-    apt-get install -y --no-install-recommends \
-    mlir-${VERSION}-tools \
-    libmlir-${VERSION}-dev \
-    libmlir-${VERSION} \
-    libmlir-${VERSION}-dbgsym \
-    liblld-${VERSION} \
-    liblld-${VERSION}-dev \
-    clang-format-${VERSION} \
-    clang-tidy-${VERSION}
-
-RUN ln -s `which lld-${VERSION}` /usr/bin/lld && \
-    ln -s `which clang-${VERSION}` /usr/bin/clang && \
-    ln -s `which clang++-${VERSION}` /usr/bin/clang++ && \
-    ln -s `which clang-format-${VERSION}` /usr/bin/clang-format && \
-    ln -s `which clang-tidy-${VERSION}` /usr/bin/clang-tidy && \
-    ln -s `which mlir-tblgen-${VERSION}`  /usr/bin/mlir-tblgen
-
-ENV MLIR_DIR /usr/lib/llvm-${VERSION}
-ENV CMAKE_PREFIX_PATH=/usr/lib/llvm-${VERSION}
-ENV LD_LIBRARY_PATH=/usr/lib/llvm-${VERSION}/lib/clang/${VERSION}.0.0/lib/linux/
-ENV CC=/usr/bin/clang
-ENV CXX=/usr/bin/clang++
-
-# --branch clang_${VERSION}
-WORKDIR /iwuy
-RUN git clone https://github.com/include-what-you-use/include-what-you-use.git --depth 1 && \
-    mkdir build && cd build && \
-    cmake -G Ninja -DCMAKE_PREFIX_PATH=/usr/lib/llvm-${VERSION} ../include-what-you-use && \
-    cmake --build . && \
-    cmake -P cmake_install.cmake
-
-WORKDIR /boehm
-RUN git clone https://github.com/ivmai/bdwgc.git --depth 1 --branch v8.2.0 && \
-    mkdir build && cd build && \
-    cmake -G Ninja -DBUILD_SHARED_LIBS=OFF -Denable_cplusplus=ON -Denable_threads=ON \
-    -Denable_gcj_support=OFF -Dinstall_headers=ON \
-    -DCMAKE_POSITION_INDEPENDENT_CODE=ON ../bdwgc && \
-    cmake --build . --config Release && \
-    cmake -P cmake_install.cmake
-
-WORKDIR /app
-RUN rm /iwuy -rf && rm /boehm -rf && rm /llvm.sh
-
-RUN apt-get purge -y git software-properties-common wget && \
-    apt-get autoremove -y && \
-    apt-get clean

resources/docker/llvm/Dockerfile.ci

@@ -1,11 +0,0 @@
-FROM rg.fr-par.scw.cloud/serene/llvm:latest
-
-WORKDIR /app
-# For CI
-COPY .pre-commit-config.yaml .
-RUN apt-get update && \
-    apt-get install -y --no-install-recommends git python3 python3-pip && \
-    pip3 install pre-commit && \
-    git init . && \
-    pre-commit autoupdate && \
-    rm -fv /app/.pre-commit-config.yaml

resources/docker/llvm/Dockerfile.source_base

@@ -1,24 +0,0 @@
-FROM debian:sid-slim as builder
-
-RUN apt-get update --fix-missing && apt-get install -y wget gnupg ccache cmake ccache git ninja-build build-essential binutils
-
-RUN wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key|apt-key add -
-RUN echo "deb http://apt.llvm.org/unstable/ llvm-toolchain main" >> /etc/apt/sources.list
-
-RUN apt-get update --fix-missing && apt-get install -y clang-format-15 clang-tidy-15 clang-tools-15 clang-15 clangd-15 libc++-15-dev libc++1-15 libc++abi-15-dev libc++abi1-15 libclang-15-dev libclang1-15 liblldb-15-dev lld-15 lldb-15 llvm-15-dev llvm-15-runtime llvm python3-clang-15 python3-lldb-15 mlir-15-tools libmlir-15-dev
-
-RUN mkdir -p /opt/build
-
-WORKDIR /opt/build
-COPY ./ /usr/src/llvm-project
-
-RUN ln -s `which lld-15` /usr/bin/lld && ln -s `which lldb-15` /usr/bin/lldb
-
-RUN cmake -G Ninja /usr/src/llvm-project/llvm -DCMAKE_INSTALL_PREFIX=/opt/llvm -DLLVM_PARALLEL_COMPILE_JOBS=7 -DLLVM_PARALLEL_LINK_JOBS=1 -DLLVM_TARGETS_TO_BUILD="X86" -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_ASSERTIONS=ON -DLLVM_CCACHE_BUILD=ON -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DLLVM_ENABLE_PROJECTS='clang;lldb;lld;mlir;clang-tools-extra;compiler-rt' -DCMAKE_C_COMPILER=clang-15 -DCMAKE_CXX_COMPILER=clang++-15 -DLLVM_ENABLE_LLD=ON
-
-RUN cmake --build .
-RUN cmake -DCMAKE_INSTALL_PREFIX=/opt/llvm -P cmake_install.cmake
-
-FROM debian:sid-slim
-
-COPY --from=builder /opt/llvm /opt/llvm

resources/docker/serene/Dockerfile

@@ -1,9 +0,0 @@
-FROM rg.fr-par.scw.cloud/serene/llvm:15-8
-
-ARG TASK=build
-
-WORKDIR /app
-
-COPY . .
-
-RUN ./builder ${TASK}

resources/docker/toolchain/stage0/Dockerfile

@@ -1,47 +0,0 @@
-FROM alpine:edge
-
-RUN apk update \
-    && apk add --no-cache \
-    ninja \
-    make    \
-    clang \
-    clang-dev \
-    bison \
-    flex \
-    # compiler-rt \               #
-    # llvm-libunwind \
-    # lld \
-    gcc \
-    libgcc
-    curl \
-    g++ \
-    alpine-sdk \
-    libatomic \
-    libgcc \
-    cmake \
-    bash \
-    git \
-    linux-headers \
-    zlib \
-    zlib-dev \
-    zstd \
-    zstd-dev \
-    tar \
-    xz \
-    python3
-
-# RUN ln -sf /usr/bin/clang /usr/bin/cc \
-#   && ln -sf /usr/bin/clang++ /usr/bin/c++ \
-#   && ls -l /usr/bin/cc /usr/bin/c++ \
-#   && cc --version \
-#   && c++ --version
-  # && update-alternatives --install /usr/bin/cc cc /usr/bin/clang 10\
-  # && update-alternatives --install /usr/bin/c++ c++ /usr/bin/clang++ 10\
-
-
-RUN addgroup -S serene && \
-    adduser -h /home/serene -S serene -G serene
-
-USER serene:serene
-ENV HOME=/home/serene
-WORKDIR /home/serene/serene

resources/docker/toolchain/stage0/Sysroot

@@ -1,22 +0,0 @@
-FROM alpine:edge
-
-RUN apk update \
-    && apk upgrade \
-    && apk add --no-cache \
-    alpine-sdk \
-    linux-headers \
-    gcc \
-    g++ \
-    libgcc \
-    build-base \
-    zlib \
-    zlib-dev \
-    zstd \
-    zstd-dev
-    # clang-dev \
-    # compiler-rt \
-    # libc++-dev \
-    # llvm-runtimes \
-    # libc++-static \
-    # llvm-libunwind \
-    # lld \

resources/emacs/serene-dev.el

@@ -1,122 +0,0 @@
-;;; serene-dev --- Serene's development lib for Emacs users -*- lexical-binding: t; -*-
-;;
-;; Copyright (c) 2019-2024 Sameer Rahmani
-;;
-;; Author: Sameer Rahmani <lxsameer@gnu.org>
-;; URL: https://serene-lang.org
-;; Version: 0.1.0
-;; Package-Requires: (projectile)
-;;
-;; This program is free software; you can redistribute it and/or modify
-;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation, either version 3 of the License, or
-;; (at your option) any later version.
-;;
-;; This program is distributed in the hope that it will be useful,
-;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-;; GNU General Public License for more details.
-;;
-;; You should have received a copy of the GNU General Public License
-;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
-;;
-;;; Commentary:
-;;  In order to use this library just put it somewhere that Emacs can load it
-;; either via `require' or `load' and then call `serene/setup-dev-env' in your
-;; init file.
-;;
-;; Keybindings:
-;; * `s-c c' Runs `./builder compile'
-;; * `s-c b' Runs `./builder build'
-;;
-;;; Code:
-
-
-(defvar serene/compile-buffer "*compile*")
-
-
-(defmacro serene/builder (command &optional buf-name sync)
-  "Run the given COMMAND via the builder script.
-Use the optional BUF-NAME as the buffer.
-
-If SYNC is non-nil it will block."
-  (let ((buf (or buf-name (format "*%s*" command))))
-    (if (not sync)
-        `(projectile-run-async-shell-command-in-root
-          (format "./builder %s" ,command) ,buf)
-      `(projectile-run-shell-command-in-root
-          (format "./builder %s" ,command) ,buf))))
-
-
-(defun serene/compile (&optional sync)
-  "Compile the project.
-It will run the `./builder compile' asynchronously or synchronously if
-SYNC is non-nil."
-  (interactive)
-  (serene/builder "compile" serene/compile-buffer sync))
-
-
-(defun serene/build ()
-  "Compile the project.
-It will run the `./builder build' asynchronously."
-  (interactive)
-  (serene/builder "build" serene/compile-buffer))
-
-
-(defun serene/build-release ()
-  "Compile the project.
-It will run the `./builder build-release' asynchronously."
-  (interactive)
-  (serene/builder "build-release" serene/compile-buffer))
-
-
-(defun serene/run (args)
-  "Run the project with the give ARGS.
-It will run the `./builder build-release' asynchronously."
-  (interactive "sRun: ")
-  (serene/builder (format "run %s" args) serene/compile-buffer))
-
-
-(defun serene/run-hello-world (args)
-  "Run the project with the give ARGS.
-It will run the `./builder build-release' asynchronously."
-  (interactive "s-b . -l `pwd` docs.examples.hello_world ")
-  (let ((cmd (format "run -b . -l `pwd` docs.examples.hello_world %s" args)))
-    (serene/builder cmd serene/compile-buffer)))
-
-
-(defun serene/run-hello-world-emit (args)
-  "Run the project with the give ARGS.
-It will run the `./builder build-release' asynchronously."
-  (interactive (list (completing-read "Emit: " '("ast" "semantic" "slir" "mlir" "lir" "ir" "jit" "object" "target"))))
-  (let ((cmd (format "run -b . -l `pwd` docs.examples.hello_world -emit %s" args)))
-    (serene/builder cmd serene/compile-buffer)))
-
-
-(defun serene/setup-keybindings ()
-  "Setup the serene-dev keybindings."
-  (interactive)
-  (define-key c++-mode-map (kbd "s-c c") #'serene/compile)
-  (define-key c++-mode-map (kbd "s-c b") #'serene/build)
-  (define-key c++-mode-map (kbd "s-c r") #'serene/run)
-  (define-key c++-mode-map (kbd "s-c e") #'serene/run-hello-world-emit))
-
-
-(defun serene/format-buffer ()
-  "Format the buffer if `lsp-format-buffer' is available."
-  (when (and (eq major-mode 'c++-mode) (featurep 'lsp-mode))
-    (lsp-format-buffer)))
-
-
-(defun serene/setup-dev-env ()
-  "Setup the development env of Serene."
-  (interactive)
-  (add-hook 'c++-mode-hook
-            (lambda ()
-              (require 'projectile)
-              (serene/setup-keybindings)
-              (add-hook 'before-save-hook #'serene/format-buffer))))
-
-
-(provide 'serene-dev)
-;;; serene-dev.el ends here

resources/images/serene.svg

@@ -1,46 +1,43 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
    width="512mm"
    height="512mm"
    viewBox="0 0 512 512"
    version="1.1"
    id="svg931"
-   inkscape:export-filename="serene.png"
+   inkscape:export-filename="/home/lxsameer/src/serene/serene/resources/images/serene.png"
    inkscape:export-xdpi="25.4"
    inkscape:export-ydpi="25.4"
-   inkscape:version="1.2.1 (9c6d41e410, 2022-07-14)"
-   sodipodi:docname="serene.svg"
-   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
-   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
-   xmlns="http://www.w3.org/2000/svg"
-   xmlns:svg="http://www.w3.org/2000/svg"
-   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
-   xmlns:cc="http://creativecommons.org/ns#"
-   xmlns:dc="http://purl.org/dc/elements/1.1/">
+   inkscape:version="1.0.2 (e86c870879, 2021-01-15)"
+   sodipodi:docname="serene.svg">
   <defs
      id="defs925" />
   <sodipodi:namedview
      id="base"
-     pagecolor="#000000"
+     pagecolor="#ffffff"
      bordercolor="#666666"
      borderopacity="1.0"
-     inkscape:pageopacity="1"
+     inkscape:pageopacity="0.0"
      inkscape:pageshadow="2"
-     inkscape:zoom="0.29845254"
-     inkscape:cx="170.88144"
-     inkscape:cy="1060.4701"
+     inkscape:zoom="0.074613135"
+     inkscape:cx="-3552.8237"
+     inkscape:cy="741.94593"
      inkscape:document-units="mm"
-     inkscape:current-layer="g1039"
+     inkscape:current-layer="layer1"
      inkscape:document-rotation="0"
      showgrid="false"
      inkscape:window-width="1920"
-     inkscape:window-height="1063"
+     inkscape:window-height="1064"
      inkscape:window-x="0"
      inkscape:window-y="0"
-     inkscape:window-maximized="0"
-     inkscape:showpageshadow="2"
-     inkscape:pagecheckerboard="0"
-     inkscape:deskcolor="#d1d1d1" />
+     inkscape:window-maximized="0" />
   <metadata
      id="metadata928">
     <rdf:RDF>
@@ -49,6 +46,7 @@
         <dc:format>image/svg+xml</dc:format>
         <dc:type
            rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
       </cc:Work>
     </rdf:RDF>
   </metadata>
@@ -56,25 +54,28 @@
      inkscape:label="Layer 1"
      inkscape:groupmode="layer"
      id="layer1">
+    <rect
+       style="fill:#ffffff;stroke-width:32.4311;stroke-linejoin:round"
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