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https://github.com/carbon-language/carbon-lang.git
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Jon Ross-Perkins
d599023c19
We've been trying to have errors/warnings all go through the diagnostics consumers instead of straight to stderr.
59 lines
2.0 KiB
C++
59 lines
2.0 KiB
C++
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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#ifndef CARBON_TOOLCHAIN_CODEGEN_CODEGEN_H_
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#define CARBON_TOOLCHAIN_CODEGEN_CODEGEN_H_
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#include "llvm/IR/Module.h"
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#include "llvm/Target/TargetMachine.h"
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#include "toolchain/diagnostics/diagnostic_consumer.h"
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#include "toolchain/diagnostics/file_diagnostics.h"
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namespace Carbon {
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class CodeGen {
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public:
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// `module` and `errors` must not be null. `consumer` may be null, in which
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// case diagnostics go to stderr.
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static auto Make(llvm::Module* module, llvm::StringRef target_triple_str,
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Diagnostics::Consumer* consumer = nullptr)
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-> std::optional<CodeGen>;
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// Generates the object code file.
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// Returns false in case of failure, and any information about the failure is
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// printed to the error stream.
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//
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// Note this requires a `pwrite` stream to allow patching the output.
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auto EmitObject(llvm::raw_pwrite_stream& out) -> bool;
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// Prints the assembly to stdout.
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// Returns false in case of failure, and any information about the failure is
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// printed to the error stream.
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//
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// Note this requires a `pwrite` stream to allow patching the output.
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auto EmitAssembly(llvm::raw_pwrite_stream& out) -> bool;
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private:
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// `module` and `consumer` must not be null.
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explicit CodeGen(llvm::Module* module, Diagnostics::Consumer* consumer)
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: module_(module), emitter_(consumer) {}
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// Using the llvm pass emits either assembly or object code to dest.
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// Returns false in case of failure, and any information about the failure is
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// printed to the error stream.
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auto EmitCode(llvm::raw_pwrite_stream& out, llvm::CodeGenFileType file_type)
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-> bool;
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llvm::Module* module_;
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// The emitter for diagnostics.
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Diagnostics::FileEmitter emitter_;
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std::unique_ptr<llvm::TargetMachine> target_machine_;
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};
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} // namespace Carbon
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#endif // CARBON_TOOLCHAIN_CODEGEN_CODEGEN_H_
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