SourceLocation.h revision af50aab0c317462129d73ae8000c6394c718598d
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- SourceLocation.h - Compact identifier for Source Files -*- C++ -*-===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 92f7f5b1f5ff023cb8c4008ae53a12b09e3ea2622James Dennett/// 102f7f5b1f5ff023cb8c4008ae53a12b09e3ea2622James Dennett/// \file 112f7f5b1f5ff023cb8c4008ae53a12b09e3ea2622James Dennett/// \brief Defines the clang::SourceLocation class and associated facilities. 122f7f5b1f5ff023cb8c4008ae53a12b09e3ea2622James Dennett/// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#ifndef LLVM_CLANG_SOURCELOCATION_H 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#define LLVM_CLANG_SOURCELOCATION_H 175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 18686775deca8b8685eb90801495880e3abdd844c2Chris Lattner#include "clang/Basic/LLVM.h" 190827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis#include "llvm/Support/PointerLikeTypeTraits.h" 200ee7d94ece918f22e67d0f09fcbc631c91091adcArgyrios Kyrtzidis#include "llvm/Support/Compiler.h" 213632a35e811096da86d957c3e6ba0e73d75782f5Ted Kremenek#include <utility> 228f89652be7bb85bdac83c37fec85f20cdd2dfc83Argyrios Kyrtzidis#include <functional> 23ae50fa0a9e7217b043ed4ffe175af4b26dc90f34Chris Lattner#include <cassert> 249dc1f530c086d2c16f8cba758b0f59a5bf41323aChris Lattner 259c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremeneknamespace llvm { 262b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner class MemoryBuffer; 272b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner template <typename T> struct DenseMapInfo; 2806159e878569e5f39bf0e8f11b84ac3ad0970597Chris Lattner template <typename T> struct isPodLike; 299c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek} 309c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 33a9793ed6a77946c988ee38035baf4cde6ff2e864Ted Kremenekclass SourceManager; 341eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 354bd495c2a4fc742dde435115f66c722217975bd2James Dennett/// \brief An opaque identifier used by SourceManager which refers to a 364bd495c2a4fc742dde435115f66c722217975bd2James Dennett/// source file (MemoryBuffer) along with its \#include path and \#line data. 372b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner/// 382b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattnerclass FileID { 39af50aab0c317462129d73ae8000c6394c718598dJames Dennett /// \brief A mostly-opaque identifier, where 0 is "invalid", >0 is 40af50aab0c317462129d73ae8000c6394c718598dJames Dennett /// this module, and <-1 is something loaded from another module. 41f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor int ID; 422b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattnerpublic: 432b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner FileID() : ID(0) {} 441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 452b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner bool isInvalid() const { return ID == 0; } 461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 472b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner bool operator==(const FileID &RHS) const { return ID == RHS.ID; } 482b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner bool operator<(const FileID &RHS) const { return ID < RHS.ID; } 492b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner bool operator<=(const FileID &RHS) const { return ID <= RHS.ID; } 502b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner bool operator!=(const FileID &RHS) const { return !(*this == RHS); } 512b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner bool operator>(const FileID &RHS) const { return RHS < *this; } 522b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner bool operator>=(const FileID &RHS) const { return RHS <= *this; } 531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 54f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor static FileID getSentinel() { return get(-1); } 55f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor unsigned getHashValue() const { return static_cast<unsigned>(ID); } 561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 572b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattnerprivate: 582b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner friend class SourceManager; 5931d375f056447d4e2418275d4913661d3bfedb3eDouglas Gregor friend class ASTWriter; 6031d375f056447d4e2418275d4913661d3bfedb3eDouglas Gregor friend class ASTReader; 6131d375f056447d4e2418275d4913661d3bfedb3eDouglas Gregor 62f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor static FileID get(int V) { 632b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner FileID F; 642b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner F.ID = V; 652b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner return F; 662b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner } 67f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor int getOpaqueValue() const { return ID; } 682b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner}; 691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 71f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor/// \brief Encodes a location in the source. The SourceManager can decode this 72f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor/// to get at the full include stack, line and column information. 73f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor/// 74f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor/// Technically, a source location is simply an offset into the manager's view 75f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor/// of the input source, which is all input buffers (including macro 763201f382956ed9beee9fb31229c2835c1208889cChandler Carruth/// expansions) concatenated in an effectively arbitrary order. The manager 773201f382956ed9beee9fb31229c2835c1208889cChandler Carruth/// actually maintains two blocks of input buffers. One, starting at offset 783201f382956ed9beee9fb31229c2835c1208889cChandler Carruth/// 0 and growing upwards, contains all buffers from this module. The other, 79f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor/// starting at the highest possible offset and growing downwards, contains 80f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor/// buffers of loaded modules. 81f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor/// 82f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor/// In addition, one bit of SourceLocation is used for quick access to the 833201f382956ed9beee9fb31229c2835c1208889cChandler Carruth/// information whether the location is in a file or a macro expansion. 84f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor/// 85f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor/// It is important that this type remains small. It is currently 32 bits wide. 865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SourceLocation { 875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned ID; 88bcc2a67e5180612417727cbdd8afd0f79fdf726dChris Lattner friend class SourceManager; 895a4374812c56aa60672e291b07e14d3696bbb5a6Argyrios Kyrtzidis friend class ASTReader; 905a4374812c56aa60672e291b07e14d3696bbb5a6Argyrios Kyrtzidis friend class ASTWriter; 915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum { 92de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner MacroIDBit = 1U << 31 935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 949ebac5e0dab6f99717e3ff169c45048966146b2eChris Lattnerpublic: 955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 96f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor SourceLocation() : ID(0) {} 971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 98de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner bool isFileID() const { return (ID & MacroIDBit) == 0; } 99de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner bool isMacroID() const { return (ID & MacroIDBit) != 0; } 1001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 101f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// \brief Return true if this is a valid SourceLocation object. 102b7489d8129136437953d412e2a6cf0ef87f4a461Chris Lattner /// 103f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// Invalid SourceLocations are often used when events have no corresponding 104f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// location in the source (e.g. a diagnostic is required for a command line 105f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// option). 106b7489d8129136437953d412e2a6cf0ef87f4a461Chris Lattner bool isValid() const { return ID != 0; } 107b7489d8129136437953d412e2a6cf0ef87f4a461Chris Lattner bool isInvalid() const { return ID == 0; } 1081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1096fda54c19321673965536b0a8f7236f635cf9730Chris Lattnerprivate: 110f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// \brief Return the offset into the manager's global input view. 111de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner unsigned getOffset() const { 112de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner return ID & ~MacroIDBit; 1134d10ef18c32eae35be07e0d8d18b5ff485b4c5f9Chris Lattner } 1146fda54c19321673965536b0a8f7236f635cf9730Chris Lattner 115de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner static SourceLocation getFileLoc(unsigned ID) { 116de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner assert((ID & MacroIDBit) == 0 && "Ran out of source locations!"); 1179dc1f530c086d2c16f8cba758b0f59a5bf41323aChris Lattner SourceLocation L; 118de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner L.ID = ID; 1199dc1f530c086d2c16f8cba758b0f59a5bf41323aChris Lattner return L; 1205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 122de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner static SourceLocation getMacroLoc(unsigned ID) { 123de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner assert((ID & MacroIDBit) == 0 && "Ran out of source locations!"); 124d1623a81992a24abbfcd5520b32a0dd90857b8a8Chris Lattner SourceLocation L; 125de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner L.ID = MacroIDBit | ID; 1269dc1f530c086d2c16f8cba758b0f59a5bf41323aChris Lattner return L; 1279dc1f530c086d2c16f8cba758b0f59a5bf41323aChris Lattner } 1284d10ef18c32eae35be07e0d8d18b5ff485b4c5f9Chris Lattnerpublic: 1291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 130a64ccefdf0ea4e03ec88805d71b0af74950c7472Argyrios Kyrtzidis /// \brief Return a source location with the specified offset from this 131a64ccefdf0ea4e03ec88805d71b0af74950c7472Argyrios Kyrtzidis /// SourceLocation. 132a64ccefdf0ea4e03ec88805d71b0af74950c7472Argyrios Kyrtzidis SourceLocation getLocWithOffset(int Offset) const { 133a64ccefdf0ea4e03ec88805d71b0af74950c7472Argyrios Kyrtzidis assert(((getOffset()+Offset) & MacroIDBit) == 0 && "offset overflow"); 134de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner SourceLocation L; 135de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner L.ID = ID+Offset; 136de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner return L; 1379dc1f530c086d2c16f8cba758b0f59a5bf41323aChris Lattner } 1381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1394bd495c2a4fc742dde435115f66c722217975bd2James Dennett /// \brief When a SourceLocation itself cannot be used, this returns 1404bd495c2a4fc742dde435115f66c722217975bd2James Dennett /// an (opaque) 32-bit integer encoding for it. 1414bd495c2a4fc742dde435115f66c722217975bd2James Dennett /// 1424bd495c2a4fc742dde435115f66c722217975bd2James Dennett /// This should only be passed to SourceLocation::getFromRawEncoding, it 1434bd495c2a4fc742dde435115f66c722217975bd2James Dennett /// should not be inspected directly. 1445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned getRawEncoding() const { return ID; } 1451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1464bd495c2a4fc742dde435115f66c722217975bd2James Dennett /// \brief Turn a raw encoding of a SourceLocation object into 1475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// a real SourceLocation. 1484bd495c2a4fc742dde435115f66c722217975bd2James Dennett /// 1494bd495c2a4fc742dde435115f66c722217975bd2James Dennett /// \see getRawEncoding. 1505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer static SourceLocation getFromRawEncoding(unsigned Encoding) { 1515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation X; 1525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer X.ID = Encoding; 1535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return X; 1545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1564bd495c2a4fc742dde435115f66c722217975bd2James Dennett /// \brief When a SourceLocation itself cannot be used, this returns 1574bd495c2a4fc742dde435115f66c722217975bd2James Dennett /// an (opaque) pointer encoding for it. 1584bd495c2a4fc742dde435115f66c722217975bd2James Dennett /// 1594bd495c2a4fc742dde435115f66c722217975bd2James Dennett /// This should only be passed to SourceLocation::getFromPtrEncoding, it 1604bd495c2a4fc742dde435115f66c722217975bd2James Dennett /// should not be inspected directly. 161dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin void* getPtrEncoding() const { 162dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin // Double cast to avoid a warning "cast to pointer from integer of different 163dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin // size". 164dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin return (void*)(uintptr_t)getRawEncoding(); 165dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin } 166dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin 167dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin /// getFromPtrEncoding - Turn a pointer encoding of a SourceLocation object 168dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin /// into a real SourceLocation. 169dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin static SourceLocation getFromPtrEncoding(void *Encoding) { 170dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin return getFromRawEncoding((unsigned)(uintptr_t)Encoding); 171dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin } 172dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin 1738cc488fefb2fb04bc8d5398da29f0182f97934cfChris Lattner void print(raw_ostream &OS, const SourceManager &SM) const; 174b9c3f966b103f7cfe8e5e60007c4c8b38f7298ebChris Lattner void dump(const SourceManager &SM) const; 1755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1765f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerinline bool operator==(const SourceLocation &LHS, const SourceLocation &RHS) { 1785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return LHS.getRawEncoding() == RHS.getRawEncoding(); 1795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerinline bool operator!=(const SourceLocation &LHS, const SourceLocation &RHS) { 1825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return !(LHS == RHS); 1835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 1841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1856fda54c19321673965536b0a8f7236f635cf9730Chris Lattnerinline bool operator<(const SourceLocation &LHS, const SourceLocation &RHS) { 1866fda54c19321673965536b0a8f7236f635cf9730Chris Lattner return LHS.getRawEncoding() < RHS.getRawEncoding(); 1876fda54c19321673965536b0a8f7236f635cf9730Chris Lattner} 1885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 189af50aab0c317462129d73ae8000c6394c718598dJames Dennett/// \brief A trival tuple used to represent a source range. 1905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SourceRange { 1915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation B; 1925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation E; 1935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 1945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange(): B(SourceLocation()), E(SourceLocation()) {} 1955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange(SourceLocation loc) : B(loc), E(loc) {} 1965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceRange(SourceLocation begin, SourceLocation end) : B(begin), E(end) {} 1971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 198311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getBegin() const { return B; } 199311ff02fae0392bee6abe7723cdf5a69b2899a47Chris Lattner SourceLocation getEnd() const { return E; } 2001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 201e80a59cc41d42a970466cb020b6f44c5b8831d70Chris Lattner void setBegin(SourceLocation b) { B = b; } 202e80a59cc41d42a970466cb020b6f44c5b8831d70Chris Lattner void setEnd(SourceLocation e) { E = e; } 2031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool isValid() const { return B.isValid() && E.isValid(); } 205782f2f52b78d8ca785110398a7f7b56b830b9ac7Ted Kremenek bool isInvalid() const { return !isValid(); } 2061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 207a898283deb689b2454f3a966ef1cbf81bcb3e3e4Ted Kremenek bool operator==(const SourceRange &X) const { 208a898283deb689b2454f3a966ef1cbf81bcb3e3e4Ted Kremenek return B == X.B && E == X.E; 209a898283deb689b2454f3a966ef1cbf81bcb3e3e4Ted Kremenek } 2101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 211a898283deb689b2454f3a966ef1cbf81bcb3e3e4Ted Kremenek bool operator!=(const SourceRange &X) const { 212a898283deb689b2454f3a966ef1cbf81bcb3e3e4Ted Kremenek return B != X.B || E != X.E; 213a898283deb689b2454f3a966ef1cbf81bcb3e3e4Ted Kremenek } 21419a95bcf3561ed977c48d5f2a2793b60a8c8e573Ted Kremenek}; 2150a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner 216af50aab0c317462129d73ae8000c6394c718598dJames Dennett/// \brief Represents a character-granular source range. 217af50aab0c317462129d73ae8000c6394c718598dJames Dennett/// 2180a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner/// The underlying SourceRange can either specify the starting/ending character 2190a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner/// of the range, or it can specify the start or the range and the start of the 2200a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner/// last token of the range (a "token range"). In the token range case, the 2210a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner/// size of the last token must be measured to determine the actual end of the 2220a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner/// range. 2230a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattnerclass CharSourceRange { 2240a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner SourceRange Range; 2250a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner bool IsTokenRange; 2260a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattnerpublic: 2270a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner CharSourceRange() : IsTokenRange(false) {} 2280a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner CharSourceRange(SourceRange R, bool ITR) : Range(R),IsTokenRange(ITR){} 2290a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner 2300a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner static CharSourceRange getTokenRange(SourceRange R) { 2310a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner CharSourceRange Result; 2320a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner Result.Range = R; 2330a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner Result.IsTokenRange = true; 2340a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner return Result; 2350a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner } 2360a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner 2370a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner static CharSourceRange getCharRange(SourceRange R) { 2380a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner CharSourceRange Result; 2390a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner Result.Range = R; 2400a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner Result.IsTokenRange = false; 2410a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner return Result; 2420a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner } 2430a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner 2440a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner static CharSourceRange getTokenRange(SourceLocation B, SourceLocation E) { 2450a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner return getTokenRange(SourceRange(B, E)); 2460a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner } 2470a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner static CharSourceRange getCharRange(SourceLocation B, SourceLocation E) { 2480a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner return getCharRange(SourceRange(B, E)); 2490a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner } 2500a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner 251af50aab0c317462129d73ae8000c6394c718598dJames Dennett /// \brief Return true if the end of this range specifies the start of 2520a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner /// the last token. Return false if the end of this range specifies the last 2530a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner /// character in the range. 2540a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner bool isTokenRange() const { return IsTokenRange; } 255a83f4d2315dbeb3914868f1ccb8e74fb2ccdbb0cArgyrios Kyrtzidis bool isCharRange() const { return !IsTokenRange; } 2560a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner 2570a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner SourceLocation getBegin() const { return Range.getBegin(); } 2580a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner SourceLocation getEnd() const { return Range.getEnd(); } 2590a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner const SourceRange &getAsRange() const { return Range; } 2600a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner 2610a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner void setBegin(SourceLocation b) { Range.setBegin(b); } 2620a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner void setEnd(SourceLocation e) { Range.setEnd(e); } 2630a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner 2640a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner bool isValid() const { return Range.isValid(); } 2650a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner bool isInvalid() const { return !isValid(); } 2660a76aae8c03cb7dd7bdbe683485560afaf695959Chris Lattner}; 2671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 268af50aab0c317462129d73ae8000c6394c718598dJames Dennett/// \brief A SourceLocation and its associated SourceManager. 269af50aab0c317462129d73ae8000c6394c718598dJames Dennett/// 270af50aab0c317462129d73ae8000c6394c718598dJames Dennett/// This is useful for argument passing to functions that expect both objects. 271a50bd54164393ca3cd08016e7099bdeb531b5014Chris Lattnerclass FullSourceLoc : public SourceLocation { 2725c5db4e94bd1243ba92563acba51ba66afa94917Chris Lattner const SourceManager *SrcMgr; 273a9793ed6a77946c988ee38035baf4cde6ff2e864Ted Kremenekpublic: 274af50aab0c317462129d73ae8000c6394c718598dJames Dennett /// \brief Creates a FullSourceLoc where isValid() returns \c false. 2755c5db4e94bd1243ba92563acba51ba66afa94917Chris Lattner explicit FullSourceLoc() : SrcMgr(0) {} 276a9793ed6a77946c988ee38035baf4cde6ff2e864Ted Kremenek 2775c5db4e94bd1243ba92563acba51ba66afa94917Chris Lattner explicit FullSourceLoc(SourceLocation Loc, const SourceManager &SM) 278a50bd54164393ca3cd08016e7099bdeb531b5014Chris Lattner : SourceLocation(Loc), SrcMgr(&SM) {} 2791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 280af50aab0c317462129d73ae8000c6394c718598dJames Dennett /// \pre This FullSourceLoc has an associated SourceManager. 281b9c3f966b103f7cfe8e5e60007c4c8b38f7298ebChris Lattner const SourceManager &getManager() const { 282b9c3f966b103f7cfe8e5e60007c4c8b38f7298ebChris Lattner assert(SrcMgr && "SourceManager is NULL."); 283a9793ed6a77946c988ee38035baf4cde6ff2e864Ted Kremenek return *SrcMgr; 284a9793ed6a77946c988ee38035baf4cde6ff2e864Ted Kremenek } 2851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2863b4d5e955e819dd3a4bed37ea2e47d6e4cb05274Chris Lattner FileID getFileID() const; 2871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 288402785357ab053dd53f4fdd858b9630a5e0f8badChandler Carruth FullSourceLoc getExpansionLoc() const; 289df7c17a8d02fe09a3466786bae3e40fc3252687aChris Lattner FullSourceLoc getSpellingLoc() const; 2909c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek 291642116259e8df6286063a17361c20e95b5017a0aChandler Carruth unsigned getExpansionLineNumber(bool *Invalid = 0) const; 292a77c031cb66f75d22672070052cc6e0205289ff8Chandler Carruth unsigned getExpansionColumnNumber(bool *Invalid = 0) const; 2939c728dc4d8da89c73fcae74c9e72d7a83ffd7b6dTed Kremenek 29464e462dff03492c586be0349ec6aa3ad5cd92720Douglas Gregor unsigned getSpellingLineNumber(bool *Invalid = 0) const; 29564e462dff03492c586be0349ec6aa3ad5cd92720Douglas Gregor unsigned getSpellingColumnNumber(bool *Invalid = 0) const; 2965c38b6388dc44dcb8467a9e0f22d93db7221717eChris Lattner 297a543016fe07030f695d6d56fd22c8c8da617e0d7Douglas Gregor const char *getCharacterData(bool *Invalid = 0) const; 2981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 299aae58b0c3efb5fa9f97a3e4b1c1a2d31077efe5bDouglas Gregor const llvm::MemoryBuffer* getBuffer(bool *Invalid = 0) const; 3001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 301af50aab0c317462129d73ae8000c6394c718598dJames Dennett /// \brief Return a StringRef to the source buffer data for the 302ceafc4b63599d14f0b5b10ff92e22bf242682dceBenjamin Kramer /// specified FileID. 303686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getBufferData(bool *Invalid = 0) const; 3041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 305af50aab0c317462129d73ae8000c6394c718598dJames Dennett /// \brief Decompose the specified location into a raw FileID + Offset pair. 306af50aab0c317462129d73ae8000c6394c718598dJames Dennett /// 307af50aab0c317462129d73ae8000c6394c718598dJames Dennett /// The first element is the FileID, the second is the offset from the 308af50aab0c317462129d73ae8000c6394c718598dJames Dennett /// start of the buffer of the location. 309321abd4583dc02a254489132c5ccbe125d18ce4fTed Kremenek std::pair<FileID, unsigned> getDecomposedLoc() const; 310321abd4583dc02a254489132c5ccbe125d18ce4fTed Kremenek 3117bfaaaecb3113f955db31e8d8a51acffd1bc0c27Nico Weber bool isInSystemHeader() const; 3121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3130827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// \brief Determines the order of 2 source locations in the translation unit. 3140827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// 3150827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// \returns true if this source location comes before 'Loc', false otherwise. 3160827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis bool isBeforeInTranslationUnitThan(SourceLocation Loc) const; 3170827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis 3180827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// \brief Determines the order of 2 source locations in the translation unit. 3190827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// 3200827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis /// \returns true if this source location comes before 'Loc', false otherwise. 3210827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis bool isBeforeInTranslationUnitThan(FullSourceLoc Loc) const { 3220827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis assert(Loc.isValid()); 3230827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis assert(SrcMgr == Loc.SrcMgr && "Loc comes from another SourceManager!"); 3240827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis return isBeforeInTranslationUnitThan((SourceLocation)Loc); 3250827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis } 3260827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis 3278f89652be7bb85bdac83c37fec85f20cdd2dfc83Argyrios Kyrtzidis /// \brief Comparison function class, useful for sorting FullSourceLocs. 3288f89652be7bb85bdac83c37fec85f20cdd2dfc83Argyrios Kyrtzidis struct BeforeThanCompare : public std::binary_function<FullSourceLoc, 3298f89652be7bb85bdac83c37fec85f20cdd2dfc83Argyrios Kyrtzidis FullSourceLoc, bool> { 3308f89652be7bb85bdac83c37fec85f20cdd2dfc83Argyrios Kyrtzidis bool operator()(const FullSourceLoc& lhs, const FullSourceLoc& rhs) const { 3318f89652be7bb85bdac83c37fec85f20cdd2dfc83Argyrios Kyrtzidis return lhs.isBeforeInTranslationUnitThan(rhs); 3328f89652be7bb85bdac83c37fec85f20cdd2dfc83Argyrios Kyrtzidis } 3338f89652be7bb85bdac83c37fec85f20cdd2dfc83Argyrios Kyrtzidis }; 3348f89652be7bb85bdac83c37fec85f20cdd2dfc83Argyrios Kyrtzidis 335af50aab0c317462129d73ae8000c6394c718598dJames Dennett /// \brief Prints information about this FullSourceLoc to stderr. 336af50aab0c317462129d73ae8000c6394c718598dJames Dennett /// 337af50aab0c317462129d73ae8000c6394c718598dJames Dennett /// This is useful for debugging. 338a6c10681e57c292e16a18bdb9891c8db6ebe5c83Benjamin Kramer LLVM_ATTRIBUTE_USED void dump() const; 339a9793ed6a77946c988ee38035baf4cde6ff2e864Ted Kremenek 3401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump friend inline bool 3410b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor operator==(const FullSourceLoc &LHS, const FullSourceLoc &RHS) { 3420b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor return LHS.getRawEncoding() == RHS.getRawEncoding() && 3430b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor LHS.SrcMgr == RHS.SrcMgr; 3440b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor } 345a50bd54164393ca3cd08016e7099bdeb531b5014Chris Lattner 3461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump friend inline bool 3470b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor operator!=(const FullSourceLoc &LHS, const FullSourceLoc &RHS) { 3480b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor return !(LHS == RHS); 3490b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor } 3500b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 3510b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor}; 3521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 353af50aab0c317462129d73ae8000c6394c718598dJames Dennett/// \brief Represents an unpacked "presumed" location which can be presented 354af50aab0c317462129d73ae8000c6394c718598dJames Dennett/// to the user. 355af50aab0c317462129d73ae8000c6394c718598dJames Dennett/// 356af50aab0c317462129d73ae8000c6394c718598dJames Dennett/// A 'presumed' location can be modified by \#line and GNU line marker 357af50aab0c317462129d73ae8000c6394c718598dJames Dennett/// directives and is always the expansion point of a normal location. 358b9c3f966b103f7cfe8e5e60007c4c8b38f7298ebChris Lattner/// 359b9c3f966b103f7cfe8e5e60007c4c8b38f7298ebChris Lattner/// You can get a PresumedLoc from a SourceLocation with SourceManager. 360b9c3f966b103f7cfe8e5e60007c4c8b38f7298ebChris Lattnerclass PresumedLoc { 361b9c3f966b103f7cfe8e5e60007c4c8b38f7298ebChris Lattner const char *Filename; 362b9c3f966b103f7cfe8e5e60007c4c8b38f7298ebChris Lattner unsigned Line, Col; 363b9c3f966b103f7cfe8e5e60007c4c8b38f7298ebChris Lattner SourceLocation IncludeLoc; 364b9c3f966b103f7cfe8e5e60007c4c8b38f7298ebChris Lattnerpublic: 365b9c3f966b103f7cfe8e5e60007c4c8b38f7298ebChris Lattner PresumedLoc() : Filename(0) {} 366b9c3f966b103f7cfe8e5e60007c4c8b38f7298ebChris Lattner PresumedLoc(const char *FN, unsigned Ln, unsigned Co, SourceLocation IL) 367b9c3f966b103f7cfe8e5e60007c4c8b38f7298ebChris Lattner : Filename(FN), Line(Ln), Col(Co), IncludeLoc(IL) { 368b9c3f966b103f7cfe8e5e60007c4c8b38f7298ebChris Lattner } 3691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 370af50aab0c317462129d73ae8000c6394c718598dJames Dennett /// \brief Return true if this object is invalid or uninitialized. 371af50aab0c317462129d73ae8000c6394c718598dJames Dennett /// 372af50aab0c317462129d73ae8000c6394c718598dJames Dennett /// This occurs when created with invalid source locations or when walking 373af50aab0c317462129d73ae8000c6394c718598dJames Dennett /// off the top of a \#include stack. 374b9c3f966b103f7cfe8e5e60007c4c8b38f7298ebChris Lattner bool isInvalid() const { return Filename == 0; } 375b9c3f966b103f7cfe8e5e60007c4c8b38f7298ebChris Lattner bool isValid() const { return Filename != 0; } 3761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3774bd495c2a4fc742dde435115f66c722217975bd2James Dennett /// \brief Return the presumed filename of this location. 3784bd495c2a4fc742dde435115f66c722217975bd2James Dennett /// 3794bd495c2a4fc742dde435115f66c722217975bd2James Dennett /// This can be affected by \#line etc. 380b9c3f966b103f7cfe8e5e60007c4c8b38f7298ebChris Lattner const char *getFilename() const { return Filename; } 381b9c3f966b103f7cfe8e5e60007c4c8b38f7298ebChris Lattner 3824bd495c2a4fc742dde435115f66c722217975bd2James Dennett /// \brief Return the presumed line number of this location. 3834bd495c2a4fc742dde435115f66c722217975bd2James Dennett /// 3844bd495c2a4fc742dde435115f66c722217975bd2James Dennett /// This can be affected by \#line etc. 385b9c3f966b103f7cfe8e5e60007c4c8b38f7298ebChris Lattner unsigned getLine() const { return Line; } 3861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3874bd495c2a4fc742dde435115f66c722217975bd2James Dennett /// \brief Return the presumed column number of this location. 3884bd495c2a4fc742dde435115f66c722217975bd2James Dennett /// 3894bd495c2a4fc742dde435115f66c722217975bd2James Dennett /// This cannot be affected by \#line, but is packaged here for convenience. 390b9c3f966b103f7cfe8e5e60007c4c8b38f7298ebChris Lattner unsigned getColumn() const { return Col; } 391b9c3f966b103f7cfe8e5e60007c4c8b38f7298ebChris Lattner 3924bd495c2a4fc742dde435115f66c722217975bd2James Dennett /// \brief Return the presumed include location of this location. 3934bd495c2a4fc742dde435115f66c722217975bd2James Dennett /// 394b9c3f966b103f7cfe8e5e60007c4c8b38f7298ebChris Lattner /// This can be affected by GNU linemarker directives. 395b9c3f966b103f7cfe8e5e60007c4c8b38f7298ebChris Lattner SourceLocation getIncludeLoc() const { return IncludeLoc; } 396b9c3f966b103f7cfe8e5e60007c4c8b38f7298ebChris Lattner}; 397b9c3f966b103f7cfe8e5e60007c4c8b38f7298ebChris Lattner 3981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 399beb7713c6102687f7e49e27b8228e84a69d8f6c6Ted Kremenek} // end namespace clang 40019a95bcf3561ed977c48d5f2a2793b60a8c8e573Ted Kremenek 4012b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattnernamespace llvm { 4022b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner /// Define DenseMapInfo so that FileID's can be used as keys in DenseMap and 4032b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner /// DenseSets. 4042b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner template <> 4052b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner struct DenseMapInfo<clang::FileID> { 4062b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner static inline clang::FileID getEmptyKey() { 4072b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner return clang::FileID(); 4082b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner } 4092b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner static inline clang::FileID getTombstoneKey() { 4101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return clang::FileID::getSentinel(); 4112b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner } 4121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4132b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner static unsigned getHashValue(clang::FileID S) { 4142b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner return S.getHashValue(); 4152b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner } 4161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4172b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner static bool isEqual(clang::FileID LHS, clang::FileID RHS) { 4182b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner return LHS == RHS; 4192b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner } 4202b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner }; 42106159e878569e5f39bf0e8f11b84ac3ad0970597Chris Lattner 42206159e878569e5f39bf0e8f11b84ac3ad0970597Chris Lattner template <> 42306159e878569e5f39bf0e8f11b84ac3ad0970597Chris Lattner struct isPodLike<clang::SourceLocation> { static const bool value = true; }; 42406159e878569e5f39bf0e8f11b84ac3ad0970597Chris Lattner template <> 42506159e878569e5f39bf0e8f11b84ac3ad0970597Chris Lattner struct isPodLike<clang::FileID> { static const bool value = true; }; 4261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4270827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis // Teach SmallPtrSet how to handle SourceLocation. 4280827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis template<> 4290827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis class PointerLikeTypeTraits<clang::SourceLocation> { 4300827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis public: 4310827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis static inline void *getAsVoidPointer(clang::SourceLocation L) { 432dec0984fce504a39a7f085774fb67cfd9957be58Jeffrey Yasskin return L.getPtrEncoding(); 4330827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis } 4340827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis static inline clang::SourceLocation getFromVoidPointer(void *P) { 4350827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis return clang::SourceLocation::getFromRawEncoding((unsigned)(uintptr_t)P); 4360827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis } 4370827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis enum { NumLowBitsAvailable = 0 }; 4380827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis }; 4390827408865e32789e0ec4b8113a302ccdc531423Argyrios Kyrtzidis 4402b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner} // end namespace llvm 4412b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner 4425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 443