1//===- CXSourceLocation.h - CXSourceLocations Utilities ---------*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// This file defines routines for manipulating CXSourceLocations. 11// 12//===----------------------------------------------------------------------===// 13 14#ifndef LLVM_CLANG_CXSOURCELOCATION_H 15#define LLVM_CLANG_CXSOURCELOCATION_H 16 17#include "clang-c/Index.h" 18#include "clang/Basic/SourceLocation.h" 19#include "clang/Basic/LangOptions.h" 20#include "clang/AST/ASTContext.h" 21 22namespace clang { 23 24class SourceManager; 25 26namespace cxloc { 27 28/// \brief Translate a Clang source location into a CIndex source location. 29static inline CXSourceLocation 30translateSourceLocation(const SourceManager &SM, const LangOptions &LangOpts, 31 SourceLocation Loc) { 32 if (Loc.isInvalid()) 33 clang_getNullLocation(); 34 35 CXSourceLocation Result = { { (void*) &SM, (void*) &LangOpts, }, 36 Loc.getRawEncoding() }; 37 return Result; 38} 39 40/// \brief Translate a Clang source location into a CIndex source location. 41static inline CXSourceLocation translateSourceLocation(ASTContext &Context, 42 SourceLocation Loc) { 43 return translateSourceLocation(Context.getSourceManager(), 44 Context.getLangOpts(), 45 Loc); 46} 47 48/// \brief Translate a Clang source range into a CIndex source range. 49/// 50/// Clang internally represents ranges where the end location points to the 51/// start of the token at the end. However, for external clients it is more 52/// useful to have a CXSourceRange be a proper half-open interval. This routine 53/// does the appropriate translation. 54CXSourceRange translateSourceRange(const SourceManager &SM, 55 const LangOptions &LangOpts, 56 const CharSourceRange &R); 57 58/// \brief Translate a Clang source range into a CIndex source range. 59static inline CXSourceRange translateSourceRange(ASTContext &Context, 60 SourceRange R) { 61 return translateSourceRange(Context.getSourceManager(), 62 Context.getLangOpts(), 63 CharSourceRange::getTokenRange(R)); 64} 65 66static inline SourceLocation translateSourceLocation(CXSourceLocation L) { 67 return SourceLocation::getFromRawEncoding(L.int_data); 68} 69 70static inline SourceRange translateCXSourceRange(CXSourceRange R) { 71 return SourceRange(SourceLocation::getFromRawEncoding(R.begin_int_data), 72 SourceLocation::getFromRawEncoding(R.end_int_data)); 73} 74 75 76}} // end namespace: clang::cxloc 77 78#endif 79