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feat: Added driver class to be used by other projects (server wink wink)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,104 @@ | ||
| #include "Driver.h" | ||
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| #include "plf_nanotimer.h" | ||
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| using namespace lesma; | ||
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| #define TIMEIT(debug_operation, statements) \ | ||
| timer.start(); \ | ||
| statements \ | ||
| results = timer.get_elapsed_ms(); \ | ||
| total += results; \ | ||
| if (options->timer) \ | ||
| print(DEBUG, "{} -> {:.2f} ms\n", debug_operation, results); | ||
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| int Driver::BaseCompile(Options *options, bool jit) { | ||
| // Configure Timer | ||
| plf::nanotimer timer; | ||
| double results, total = 0; | ||
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| // Configure Source Manager | ||
| std::shared_ptr<llvm::SourceMgr> srcMgr = std::make_shared<llvm::SourceMgr>(llvm::SourceMgr()); | ||
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| try { | ||
| // Read Source | ||
| TIMEIT("File read", | ||
| if (options->sourceType == SourceType::FILE) { | ||
| auto buffer = llvm::MemoryBuffer::getFile(options->source); | ||
| if (buffer.getError() != std::error_code()) throw LesmaError(llvm::SMRange(), "Could not read file: {}", options->source); | ||
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| srcMgr->AddNewSourceBuffer(std::move(*buffer), llvm::SMLoc()); | ||
| } | ||
| else { | ||
| auto buffer = llvm::MemoryBuffer::getMemBuffer(options->source); | ||
| srcMgr->AddNewSourceBuffer(std::move(buffer), llvm::SMLoc()); | ||
| }) | ||
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| // Lexer | ||
| TIMEIT("Lexer scan", | ||
| auto lexer = std::make_unique<Lexer>(srcMgr); | ||
| lexer->ScanAll();) | ||
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| if (options->debug & LEXER) { | ||
| print(DEBUG, "TOKENS: \n"); | ||
| for (const auto &tok: lexer->getTokens()) | ||
| print("Token: {}\n", tok->Dump(srcMgr)); | ||
| } | ||
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| // Parser | ||
| TIMEIT("Parsing", | ||
| auto parser = std::make_unique<Parser>(lexer->getTokens()); | ||
| parser->Parse();) | ||
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| if (options->debug & AST) | ||
| print(DEBUG, "AST:\n{}", parser->getAST()->toString(srcMgr.get(), "", true)); | ||
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| // Codegen | ||
| TIMEIT("Compiling", | ||
| std::vector<std::string> modules; | ||
| auto codegen = std::make_unique<Codegen>(std::move(parser), srcMgr, | ||
| options->sourceType == FILE ? options->source : ".", | ||
| modules, jit, true); | ||
| codegen->Run();) | ||
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| if (options->debug & IR) { | ||
| print(DEBUG, "LLVM IR: \n"); | ||
| codegen->Dump(); | ||
| } | ||
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| // Optimization | ||
| TIMEIT("Optimizing", codegen->Optimize(llvm::PassBuilder::OptimizationLevel::O3);) | ||
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| int exit_code = 0; | ||
| if (!jit) { | ||
| // Compile to Object File | ||
| TIMEIT("Writing Object File", codegen->WriteToObjectFile(options->output_filename);) | ||
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| // Link Object File | ||
| TIMEIT("Linking Object File", codegen->LinkObjectFile(fmt::format("{}.o", options->output_filename));) | ||
| } else { | ||
| // Executing | ||
| TIMEIT("Execution", exit_code = codegen->JIT();) | ||
| } | ||
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| if (options->timer) | ||
| print(DEBUG, "Total -> {:.2f} ms\n", total); | ||
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| return exit_code; | ||
| } catch (const LesmaError &err) { | ||
| if (!err.getSpan().isValid()) | ||
| print(ERROR, err.what()); | ||
| else | ||
| showInline(srcMgr.get(), err.getSpan(), err.what(), options->source, true); | ||
| return err.exit_code; | ||
| } | ||
| } | ||
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| int Driver::Run(lesma::Options *options) { | ||
| return BaseCompile(options, true); | ||
| } | ||
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| int Driver::Compile(Options *options) { | ||
| return BaseCompile(options, false); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| #pragma once | ||
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| #include <string> | ||
| #include <vector> | ||
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| #include "liblesma/Backend/Codegen.h" | ||
| #include "liblesma/Frontend/Lexer.h" | ||
| #include "liblesma/Frontend/Parser.h" | ||
| #include "liblesma/Common/Utils.h" | ||
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| #include "llvm/Support/SourceMgr.h" | ||
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| namespace lesma { | ||
| enum SourceType { | ||
| FILE, | ||
| STRING, | ||
| }; | ||
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| enum Debug { | ||
| NONE = 0x00, // 00000000 | ||
| LEXER = 0x01, // 00000001 | ||
| AST = 0x02, // 00000010 | ||
| IR = 0x04, // 00000100 | ||
| }; | ||
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| struct Options { | ||
| SourceType sourceType; | ||
| std::string source; | ||
| Debug debug = NONE; | ||
| std::string output_filename = "output"; | ||
| bool timer = false; | ||
| }; | ||
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| class Driver { | ||
| private: | ||
| static int BaseCompile(Options *options, bool jit); | ||
| public: | ||
| static int Run(Options *options); | ||
| static int Compile(Options *options); | ||
| }; | ||
| } |