From cd0989d06081c14049ca5f438c9435e7620dbace Mon Sep 17 00:00:00 2001
From: Sameer Rahmani <lxsameer@gnu.org>
Date: Sun, 21 Mar 2021 16:25:12 +0000
Subject: [PATCH] Update the builder and CMakefile to get ready for LLVM 13

---
 CMakeLists.txt |  2 +-
 bin/serene.cpp | 24 +++++++++++++++++++++---
 builder        | 17 ++++++++---------
 3 files changed, 30 insertions(+), 13 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index fe0f8f7..2816408 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,7 +20,7 @@ if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)
   set(BIN_DIR ${CMAKE_SOURCE_DIR}/bin)
 
   set(CMAKE_CXX_FLAGS  "${CMAKE_CXX_FLAGS} -Wall -Wextra -Werror")
-  set(CMAKE_CXX_CLANG_TIDY clang-tidy-10)
+  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
diff --git a/bin/serene.cpp b/bin/serene.cpp
index 4f6550b..ea83d41 100644
--- a/bin/serene.cpp
+++ b/bin/serene.cpp
@@ -25,14 +25,32 @@
 #include "serene/serene.hpp"
 #include "serene/compiler.hpp"
 #include <iostream>
+#include <llvm/Support/CommandLine.h>
 
 using namespace std;
 using namespace serene;
 
-int main(int argc, char *argv[]) {
-  UNUSED(argc);
-  cout << "Serene >>" << endl;
+namespace cl = llvm::cl;
 
+namespace {
+enum Action { None, DumpAST }
+}
+
+static cl::opt<enum Action>
+    emitAction("emit", cl::desc("Select what to dump."),
+               cl::values(clEnumValN(DumpAST, "ast", "Output the AST only")));
+
+
+
+int main(int argc, char *argv[]) {
+  cl::ParseCommandLineOptions(argc, argv, "Serene compiler \n");
+
+
+  switch (emitAction) {
+  case Action::DumpAST:
+    Reader r = Reader(input);
+    r->dump();
+  }
   string input_file(argv[1]);
 
   Compiler c;
diff --git a/builder b/builder
index fa0371c..0f7fb35 100755
--- a/builder
+++ b/builder
@@ -3,10 +3,10 @@
 command=$1
 
 
-export CCC_CC=clang-11
-export CCC_CXX=clang++-11
-export CC=clang-11
-export CXX=clang++-11
+export CCC_CC=clang
+export CCC_CXX=clang++
+export CC=clang
+export CXX=clang++
 
 ROOT_DIR=`pwd`
 BUILD_DIR=$ROOT_DIR/build
@@ -65,12 +65,11 @@ function tests() {
 
 
 case "$command" in
+    # We need to fix this to have some instructions about how to build the dependencies
     "deps")
-        sudo apt update
-        sudo apt install -y llvm-10 llvm-10-tools \
-             clang-10 clang-format-10 clang-tidy-10 \
-             clang-tools-10 valgrind cmake ninja-build \
-             doxygen
+        echo "You need the following dependencies"
+        echo "sudo apt update"
+        echo "sudo apt install -y llvm-10 llvm-10-tools clang-10 clang-format-10 clang-tidy-10 clang-tools-10 valgrind cmake ninja-build doxygen"
         ;;
     "setup")
         pushd ./scripts