105 lines
3.4 KiB
C++
105 lines
3.4 KiB
C++
/* -*- C++ -*-
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* Serene Programming Language
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*
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* Copyright (c) 2019-2023 Sameer Rahmani <lxsameer@gnu.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 2.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef CONTEXT_H
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#define CONTEXT_H
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#include "options.h" // for Options
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#include <__fwd/string.h> // for string
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#include <__memory/unique_ptr.h> // for make_unique, unique_ptr
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#include <llvm/ADT/Twine.h> // for Twine
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#include <llvm/IR/LLVMContext.h> // for LLVMContext
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#include <llvm/TargetParser/Host.h> // for getDefaultTargetTriple
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#include <llvm/TargetParser/Triple.h> // for Triple
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#include <string> // for basic_string
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#include <vector> // for vector
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namespace serene {
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class SereneContext;
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/// This enum describes the different operational phases for the compiler
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/// in order. Anything below `NoOptimization` is considered only for debugging
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enum class CompilationPhase {
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Parse,
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Analysis,
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SLIR,
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MLIR, // Lowered slir to other dialects
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LIR, // Lowered to the llvm ir dialect
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IR, // Lowered to the LLVMIR itself
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NoOptimization,
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O1,
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O2,
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O3,
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};
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/// Terminates the serene compiler process in a thread safe manner
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/// This function is only meant to be used in the compiler context
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/// if you want to terminate the process in context of a serene program
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/// via the JIT use an appropriate function in the `serene.core` ns.
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void terminate(SereneContext &ctx, int exitCode);
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// Why SereneContext and not Context? We will be using LLVMContext
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// and MLIRContext through out Serene, so it's better to follow
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// the same convention
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class SereneContext {
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public:
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/// The set of options to change the compilers behaviors
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Options options;
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const llvm::Triple triple;
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explicit SereneContext(Options &options)
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: options(options), triple(llvm::sys::getDefaultTargetTriple()),
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targetPhase(CompilationPhase::NoOptimization){};
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/// Set the target compilation phase of the compiler. The compilation
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/// phase dictates the behavior and the output type of the compiler.
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void setOperationPhase(CompilationPhase phase);
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CompilationPhase getTargetPhase() { return targetPhase; };
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int getOptimizatioLevel();
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static std::unique_ptr<llvm::LLVMContext> genLLVMContext() {
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return std::make_unique<llvm::LLVMContext>();
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};
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/// Setup the load path for namespace lookups
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void setLoadPaths(std::vector<std::string> &dirs) { loadPaths.swap(dirs); };
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/// Return the load paths for namespaces
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std::vector<std::string> &getLoadPaths() { return loadPaths; };
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private:
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CompilationPhase targetPhase;
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std::vector<std::string> loadPaths;
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};
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/// Creates a new context object. Contexts are used through out the compilation
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/// process to store the state.
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///
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/// \p opts is an instance of \c Options that can be used to set options of
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/// of the compiler.
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std::unique_ptr<SereneContext> makeSereneContext(Options opts = Options());
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} // namespace serene
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#endif
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