Viewing file:  SourceMgrAdapter.h (2.84 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
//=== SourceMgrAdapter.h - SourceMgr to SourceManager Adapter ---*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file provides an adapter that maps diagnostics from llvm::SourceMgr
// to Clang's SourceManager.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_SOURCEMGRADAPTER_H
#define LLVM_CLANG_SOURCEMGRADAPTER_H
#include "clang/Basic/SourceManager.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/Support/SourceMgr.h"
#include <string>
#include <utility>
namespace clang {
class DiagnosticsEngine;
class FileEntry;
/// An adapter that can be used to translate diagnostics from one or more
/// llvm::SourceMgr instances to a ,
class SourceMgrAdapter {
/// Clang source manager.
SourceManager &SrcMgr;
/// Clang diagnostics engine.
DiagnosticsEngine &Diagnostics;
/// Diagnostic IDs for errors, warnings, and notes.
unsigned ErrorDiagID, WarningDiagID, NoteDiagID;
/// The default file to use when mapping buffers.
OptionalFileEntryRef DefaultFile;
/// A mapping from (LLVM source manager, buffer ID) pairs to the
/// corresponding file ID within the Clang source manager.
llvm::DenseMap<std::pair<const llvm::SourceMgr *, unsigned>, FileID>
FileIDMapping;
/// Diagnostic handler.
static void handleDiag(const llvm::SMDiagnostic &Diag, void *Context);
public:
/// Create a new \c SourceMgr adaptor that maps to the given source
/// manager and diagnostics engine.
SourceMgrAdapter(SourceManager &SM, DiagnosticsEngine &Diagnostics,
unsigned ErrorDiagID, unsigned WarningDiagID,
unsigned NoteDiagID,
OptionalFileEntryRef DefaultFile = std::nullopt);
~SourceMgrAdapter();
/// Map a source location in the given LLVM source manager to its
/// corresponding location in the Clang source manager.
SourceLocation mapLocation(const llvm::SourceMgr &LLVMSrcMgr,
llvm::SMLoc Loc);
/// Map a source range in the given LLVM source manager to its corresponding
/// range in the Clang source manager.
SourceRange mapRange(const llvm::SourceMgr &LLVMSrcMgr, llvm::SMRange Range);
/// Handle the given diagnostic from an LLVM source manager.
void handleDiag(const llvm::SMDiagnostic &Diag);
/// Retrieve the diagnostic handler to use with the underlying SourceMgr.
llvm::SourceMgr::DiagHandlerTy getDiagHandler() {
return &SourceMgrAdapter::handleDiag;
}
/// Retrieve the context to use with the diagnostic handler produced by
/// \c getDiagHandler().
void *getDiagContext() { return this; }
};
} // end namespace clang
#endif
|