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_TOOLS_LIBCLANG_CXSOURCELOCATION_H 15 #define LLVM_CLANG_TOOLS_LIBCLANG_CXSOURCELOCATION_H 16 17 #include "clang-c/Index.h" 18 #include "clang/AST/ASTContext.h" 19 #include "clang/Basic/LangOptions.h" 20 #include "clang/Basic/SourceLocation.h" 21 22 namespace clang { 23 24 class SourceManager; 25 26 namespace cxloc { 27 28 /// \brief Translate a Clang source location into a CIndex source location. 29 static inline CXSourceLocation 30 translateSourceLocation(const SourceManager &SM, const LangOptions &LangOpts, 31 SourceLocation Loc) { 32 if (Loc.isInvalid()) 33 clang_getNullLocation(); 34 35 CXSourceLocation Result = { { &SM, &LangOpts, }, 36 Loc.getRawEncoding() }; 37 return Result; 38 } 39 40 /// \brief Translate a Clang source location into a CIndex source location. 41 static 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. 54 CXSourceRange 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. 59 static inline CXSourceRange translateSourceRange(ASTContext &Context, 60 SourceRange R) { 61 return translateSourceRange(Context.getSourceManager(), 62 Context.getLangOpts(), 63 CharSourceRange::getTokenRange(R)); 64 } 65 66 static inline SourceLocation translateSourceLocation(CXSourceLocation L) { 67 return SourceLocation::getFromRawEncoding(L.int_data); 68 } 69 70 static 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
