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//===--- Compiler.h ----------------------------------------------*- C++-*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Shared utilities for invoking the clang compiler.
// ClangdUnit takes care of much of this, but some features like CodeComplete
// run their own compile actions that share logic.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANGD_COMPILER_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANGD_COMPILER_H
#include "clang/Frontend/CompilerInstance.h"
#include "clang/Frontend/CompilerInvocation.h"
#include "clang/Frontend/PrecompiledPreamble.h"
namespace clang {
namespace clangd {
class IgnoreDiagnostics : public DiagnosticConsumer {
public:
static void log(DiagnosticsEngine::Level DiagLevel,
const clang::Diagnostic &Info);
void HandleDiagnostic(DiagnosticsEngine::Level DiagLevel,
const clang::Diagnostic &Info) override;
};
/// Creates a compiler instance, configured so that:
/// - Contents of the parsed file are remapped to \p MainFile.
/// - Preamble is overriden to use PCH passed to this function. It means the
/// changes to the preamble headers or files included in the preamble are
/// not visible to this compiler instance.
/// - llvm::vfs::FileSystem is used for all underlying file accesses. The
/// actual vfs used by the compiler may be an overlay over the passed vfs.
/// Returns null on errors. When non-null value is returned, it is expected to
/// be consumed by FrontendAction::BeginSourceFile to properly destroy \p
/// MainFile.
std::unique_ptr<CompilerInstance> prepareCompilerInstance(
std::unique_ptr<clang::CompilerInvocation>, const PrecompiledPreamble *,
std::unique_ptr<llvm::MemoryBuffer> MainFile,
std::shared_ptr<PCHContainerOperations>,
IntrusiveRefCntPtr<llvm::vfs::FileSystem>, DiagnosticConsumer &);
} // namespace clangd
} // namespace clang
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANGD_COMPILER_H
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