6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
86 lines
2.8 KiB
C++
86 lines
2.8 KiB
C++
//=== SourceMgrAdapter.h - SourceMgr to SourceManager Adapter ---*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file provides an adapter that maps diagnostics from llvm::SourceMgr
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// to Clang's SourceManager.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_SOURCEMGRADAPTER_H
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#define LLVM_CLANG_SOURCEMGRADAPTER_H
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#include "clang/Basic/SourceManager.h"
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/Support/SourceMgr.h"
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#include <string>
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#include <utility>
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namespace clang {
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class DiagnosticsEngine;
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class FileEntry;
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/// An adapter that can be used to translate diagnostics from one or more
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/// llvm::SourceMgr instances to a ,
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class SourceMgrAdapter {
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/// Clang source manager.
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SourceManager &SrcMgr;
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/// Clang diagnostics engine.
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DiagnosticsEngine &Diagnostics;
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/// Diagnostic IDs for errors, warnings, and notes.
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unsigned ErrorDiagID, WarningDiagID, NoteDiagID;
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/// The default file to use when mapping buffers.
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OptionalFileEntryRef DefaultFile;
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/// A mapping from (LLVM source manager, buffer ID) pairs to the
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/// corresponding file ID within the Clang source manager.
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llvm::DenseMap<std::pair<const llvm::SourceMgr *, unsigned>, FileID>
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FileIDMapping;
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/// Diagnostic handler.
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static void handleDiag(const llvm::SMDiagnostic &Diag, void *Context);
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public:
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/// Create a new \c SourceMgr adaptor that maps to the given source
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/// manager and diagnostics engine.
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SourceMgrAdapter(SourceManager &SM, DiagnosticsEngine &Diagnostics,
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unsigned ErrorDiagID, unsigned WarningDiagID,
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unsigned NoteDiagID,
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OptionalFileEntryRef DefaultFile = std::nullopt);
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~SourceMgrAdapter();
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/// Map a source location in the given LLVM source manager to its
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/// corresponding location in the Clang source manager.
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SourceLocation mapLocation(const llvm::SourceMgr &LLVMSrcMgr,
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llvm::SMLoc Loc);
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/// Map a source range in the given LLVM source manager to its corresponding
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/// range in the Clang source manager.
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SourceRange mapRange(const llvm::SourceMgr &LLVMSrcMgr, llvm::SMRange Range);
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/// Handle the given diagnostic from an LLVM source manager.
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void handleDiag(const llvm::SMDiagnostic &Diag);
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/// Retrieve the diagnostic handler to use with the underlying SourceMgr.
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llvm::SourceMgr::DiagHandlerTy getDiagHandler() {
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return &SourceMgrAdapter::handleDiag;
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}
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/// Retrieve the context to use with the diagnostic handler produced by
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/// \c getDiagHandler().
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void *getDiagContext() { return this; }
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};
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} // end namespace clang
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#endif
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