llvm-project/clang/tools/libclang/CXSourceLocation.h

82 lines
3.1 KiB
C++

//===- CXSourceLocation.h - CXSourceLocations Utilities ---------*- 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 defines routines for manipulating CXSourceLocations.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_TOOLS_LIBCLANG_CXSOURCELOCATION_H
#define LLVM_CLANG_TOOLS_LIBCLANG_CXSOURCELOCATION_H
#include "clang-c/Index.h"
#include "clang/AST/ASTContext.h"
#include "clang/Basic/LangOptions.h"
#include "clang/Basic/SourceLocation.h"
namespace clang {
class SourceManager;
namespace cxloc {
/// Translate a Clang source location into a CIndex source location.
static inline CXSourceLocation
translateSourceLocation(const SourceManager &SM, const LangOptions &LangOpts,
SourceLocation Loc) {
if (Loc.isInvalid())
return clang_getNullLocation();
CXSourceLocation Result = { { &SM, &LangOpts, },
Loc.getRawEncoding() };
return Result;
}
/// Translate a Clang source location into a CIndex source location.
static inline CXSourceLocation translateSourceLocation(ASTContext &Context,
SourceLocation Loc) {
return translateSourceLocation(Context.getSourceManager(),
Context.getLangOpts(),
Loc);
}
/// Translate a Clang source range into a CIndex source range.
///
/// Clang internally represents ranges where the end location points to the
/// start of the token at the end. However, for external clients it is more
/// useful to have a CXSourceRange be a proper half-open interval. This routine
/// does the appropriate translation.
CXSourceRange translateSourceRange(const SourceManager &SM,
const LangOptions &LangOpts,
const CharSourceRange &R);
/// Translate a Clang source range into a CIndex source range.
static inline CXSourceRange translateSourceRange(ASTContext &Context,
SourceRange R) {
return translateSourceRange(Context.getSourceManager(),
Context.getLangOpts(),
CharSourceRange::getTokenRange(R));
}
static inline SourceLocation translateSourceLocation(CXSourceLocation L) {
return SourceLocation::getFromRawEncoding(L.int_data);
}
static inline SourceRange translateCXSourceRange(CXSourceRange R) {
return SourceRange(SourceLocation::getFromRawEncoding(R.begin_int_data),
SourceLocation::getFromRawEncoding(R.end_int_data));
}
/// Translates CXSourceRange to CharSourceRange.
/// The semantics of \p R are:
/// R.begin_int_data is first character of the range.
/// R.end_int_data is one character past the end of the range.
CharSourceRange translateCXRangeToCharRange(CXSourceRange R);
}} // end namespace: clang::cxloc
#endif