mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-30 22:02:41 +01:00
Richard Smith
c4d162e5f5
This gives us a lot more control over how the compiler is built and invoked. But no functionality changes are intended in this PR.
58 lines
1.7 KiB
C++
58 lines
1.7 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_CHECK_CPP_CONTEXT_H_
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#define CARBON_TOOLCHAIN_CHECK_CPP_CONTEXT_H_
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#include <memory>
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#include "clang/Basic/SourceLocation.h"
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#include "clang/Frontend/CompilerInstance.h"
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#include "clang/Frontend/FrontendAction.h"
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#include "llvm/ADT/SmallVector.h"
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namespace Carbon::Check {
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// Context for C++ code during check.
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//
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// This stores state for a Clang AST and Sema, as well as any additional
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// information needed to perform mapping between Carbon and C++ types,
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// declarations, and similar values.
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class CppContext {
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public:
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explicit CppContext(std::unique_ptr<clang::FrontendAction> action);
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~CppContext();
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auto action() -> clang::FrontendAction& { return *action_; }
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auto ast_context() -> clang::ASTContext& {
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return action_->getCompilerInstance().getASTContext();
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}
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auto sema() -> clang::Sema& {
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return action_->getCompilerInstance().getSema();
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}
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auto clang_mangle_context() -> clang::MangleContext&;
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auto carbon_file_locations() -> llvm::SmallVector<clang::SourceLocation>& {
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return carbon_file_locations_;
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}
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private:
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// The clang action that is generating the C++ AST.
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std::unique_ptr<clang::FrontendAction> action_;
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// Per-Carbon-file start locations for corresponding Clang source buffers.
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// Owned and managed by code in location.cpp.
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llvm::SmallVector<clang::SourceLocation> carbon_file_locations_;
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// The Clang mangle context for the target in the ASTContext.
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std::unique_ptr<clang::MangleContext> clang_mangle_context_;
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};
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} // namespace Carbon::Check
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#endif // CARBON_TOOLCHAIN_CHECK_CPP_CONTEXT_H_
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