SourceManager.h revision a1f1fad8b60e1cb9d21a40a37f2e03150bcbeb6f
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- SourceManager.h - Track and cache 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//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file defines the SourceManager interface. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#ifndef LLVM_CLANG_SOURCEMANAGER_H 155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#define LLVM_CLANG_SOURCEMANAGER_H 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17d47d3b0cfeb7e8564ff77f48130fe63282b6d127Chris Lattner#include "clang/Basic/LLVM.h" 185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/SourceLocation.h" 190d0bf8cf58b35302312cc155287fde3e81eb25a7Chris Lattner#include "llvm/Support/Allocator.h" 2003013fa9a0bf1ef4b907f5fec006c8f4000fdd21Michael J. Spencer#include "llvm/Support/DataTypes.h" 21c815108d08b0417c6f1104e7df70dc5278839406Douglas Gregor#include "llvm/ADT/PointerIntPair.h" 22aea67dbd653a2dd6dd5cc2159279e81e855b2482Douglas Gregor#include "llvm/ADT/PointerUnion.h" 234f32786ac45210143654390177105eb749b614e9Ted Kremenek#include "llvm/ADT/IntrusiveRefCntPtr.h" 240d0bf8cf58b35302312cc155287fde3e81eb25a7Chris Lattner#include "llvm/ADT/DenseMap.h" 25f61b831d7f6a15676b07647f507de80324cb7056Ted Kremenek#include "llvm/Support/MemoryBuffer.h" 26d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis#include <map> 275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include <vector> 289dc62f044a6ba21f503bd56607d94b32704e7945Chris Lattner#include <cassert> 295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 32d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikieclass DiagnosticsEngine; 335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass SourceManager; 34099b4747042352f69184481a48508b599a8d3f73Ted Kremenekclass FileManager; 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass FileEntry; 365b9a504720fb52594ca3686e10eb6c0cfa2e7d62Chris Lattnerclass LineTableInfo; 37b73377eeb3eff76be134203aebb6068244b177f3Argyrios Kyrtzidisclass LangOptions; 38d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidisclass ASTWriter; 39d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidisclass ASTReader; 405330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 4129f39425fc7fcaede88a7e573f392975f8dc5e3eEric Christopher/// There are three different types of locations in a file: a spelling 4229f39425fc7fcaede88a7e573f392975f8dc5e3eEric Christopher/// location, an expansion location, and a presumed location. 4329f39425fc7fcaede88a7e573f392975f8dc5e3eEric Christopher/// 4429f39425fc7fcaede88a7e573f392975f8dc5e3eEric Christopher/// Given an example of: 4529f39425fc7fcaede88a7e573f392975f8dc5e3eEric Christopher/// #define min(x, y) x < y ? x : y 4629f39425fc7fcaede88a7e573f392975f8dc5e3eEric Christopher/// 4729f39425fc7fcaede88a7e573f392975f8dc5e3eEric Christopher/// and then later on a use of min: 4829f39425fc7fcaede88a7e573f392975f8dc5e3eEric Christopher/// #line 17 495330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher/// return min(a, b); 5029f39425fc7fcaede88a7e573f392975f8dc5e3eEric Christopher/// 5129f39425fc7fcaede88a7e573f392975f8dc5e3eEric Christopher/// The expansion location is the line in the source code where the macro 5229f39425fc7fcaede88a7e573f392975f8dc5e3eEric Christopher/// was expanded (the return statement), the spelling location is the 5329f39425fc7fcaede88a7e573f392975f8dc5e3eEric Christopher/// location in the source where the macro was originally defined, 5429f39425fc7fcaede88a7e573f392975f8dc5e3eEric Christopher/// and the presumed location is where the line directive states that 5529f39425fc7fcaede88a7e573f392975f8dc5e3eEric Christopher/// the line is 17, or any other line. 5629f39425fc7fcaede88a7e573f392975f8dc5e3eEric Christopher 570b9e736308af5397f558ffc8e780c438c2fdb563Chris Lattner/// SrcMgr - Public enums and private classes that are part of the 580b9e736308af5397f558ffc8e780c438c2fdb563Chris Lattner/// SourceManager implementation. 595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace SrcMgr { 619d72851fec9e9c62570a027d42701562bbf29751Chris Lattner /// CharacteristicKind - This is used to represent whether a file or directory 620b9e736308af5397f558ffc8e780c438c2fdb563Chris Lattner /// holds normal user code, system code, or system code which is implicitly 630b9e736308af5397f558ffc8e780c438c2fdb563Chris Lattner /// 'extern "C"' in C++ mode. Entire directories can be tagged with this 640b9e736308af5397f558ffc8e780c438c2fdb563Chris Lattner /// (this is maintained by DirectoryLookup and friends) as can specific 65f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// FileInfos when a #pragma system_header is seen or various other cases. 660b9e736308af5397f558ffc8e780c438c2fdb563Chris Lattner /// 679d72851fec9e9c62570a027d42701562bbf29751Chris Lattner enum CharacteristicKind { 680b9e736308af5397f558ffc8e780c438c2fdb563Chris Lattner C_User, C_System, C_ExternCSystem 690b9e736308af5397f558ffc8e780c438c2fdb563Chris Lattner }; 701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 714710a8ea766b45079bf1c1dd36e29b59bb90829dDan Gohman /// ContentCache - One instance of this struct is kept for every file 7206a062dc784c609b75dca15fd97f468d0d846596Chris Lattner /// loaded or used. This object owns the MemoryBuffer object. 73c16c208e8519476d838ad11fffc8e0ecea50550dTed Kremenek class ContentCache { 74f4f6c9db68465b886ec2e596feaa6ecc782395a4Douglas Gregor enum CCFlags { 75f4f6c9db68465b886ec2e596feaa6ecc782395a4Douglas Gregor /// \brief Whether the buffer is invalid. 76f4f6c9db68465b886ec2e596feaa6ecc782395a4Douglas Gregor InvalidFlag = 0x01, 77f4f6c9db68465b886ec2e596feaa6ecc782395a4Douglas Gregor /// \brief Whether the buffer should not be freed on destruction. 78f4f6c9db68465b886ec2e596feaa6ecc782395a4Douglas Gregor DoNotFreeFlag = 0x02 79f4f6c9db68465b886ec2e596feaa6ecc782395a4Douglas Gregor }; 805330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 81c16c208e8519476d838ad11fffc8e0ecea50550dTed Kremenek /// Buffer - The actual buffer containing the characters from the input 82c16c208e8519476d838ad11fffc8e0ecea50550dTed Kremenek /// file. This is owned by the ContentCache object. 83f4f6c9db68465b886ec2e596feaa6ecc782395a4Douglas Gregor /// The bits indicate indicates whether the buffer is invalid. 84f4f6c9db68465b886ec2e596feaa6ecc782395a4Douglas Gregor mutable llvm::PointerIntPair<const llvm::MemoryBuffer *, 2> Buffer; 85c16c208e8519476d838ad11fffc8e0ecea50550dTed Kremenek 86c16c208e8519476d838ad11fffc8e0ecea50550dTed Kremenek public: 87b1c86492f9a9bef01a4567408c22f961bbd604feArgyrios Kyrtzidis /// Reference to the file entry representing this ContentCache. 88b1c86492f9a9bef01a4567408c22f961bbd604feArgyrios Kyrtzidis /// This reference does not own the FileEntry object. 89b1c86492f9a9bef01a4567408c22f961bbd604feArgyrios Kyrtzidis /// It is possible for this to be NULL if 9078d85f53b093867bbb0123f016956178eea7343eTed Kremenek /// the ContentCache encapsulates an imaginary text buffer. 91b1c86492f9a9bef01a4567408c22f961bbd604feArgyrios Kyrtzidis const FileEntry *OrigEntry; 92b1c86492f9a9bef01a4567408c22f961bbd604feArgyrios Kyrtzidis 93b1c86492f9a9bef01a4567408c22f961bbd604feArgyrios Kyrtzidis /// \brief References the file which the contents were actually loaded from. 94b1c86492f9a9bef01a4567408c22f961bbd604feArgyrios Kyrtzidis /// Can be different from 'Entry' if we overridden the contents of one file 95b1c86492f9a9bef01a4567408c22f961bbd604feArgyrios Kyrtzidis /// with the contents of another file. 96b1c86492f9a9bef01a4567408c22f961bbd604feArgyrios Kyrtzidis const FileEntry *ContentsEntry; 971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 980d0bf8cf58b35302312cc155287fde3e81eb25a7Chris Lattner /// SourceLineCache - A bump pointer allocated array of offsets for each 990d0bf8cf58b35302312cc155287fde3e81eb25a7Chris Lattner /// source line. This is lazily computed. This is owned by the 1000d0bf8cf58b35302312cc155287fde3e81eb25a7Chris Lattner /// SourceManager BumpPointerAllocator object. 10105816591ec488a933dfecc9ff9f3cbf3c32767c2Chris Lattner unsigned *SourceLineCache; 1021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 103b6427f821de8cce1566fb6e755143ea0918d5543Ted Kremenek /// NumLines - The number of lines in this ContentCache. This is only valid 104b6427f821de8cce1566fb6e755143ea0918d5543Ted Kremenek /// if SourceLineCache is non-null. 105a081da5e44600d02983d6562bed1b4fd61e410fdDouglas Gregor unsigned NumLines : 31; 10610b46d2f0b976676d10681d73fe061b5ae409b36Argyrios Kyrtzidis 107a081da5e44600d02983d6562bed1b4fd61e410fdDouglas Gregor /// \brief Indicates whether the buffer itself was provided to override 108a081da5e44600d02983d6562bed1b4fd61e410fdDouglas Gregor /// the actual file contents. 109a081da5e44600d02983d6562bed1b4fd61e410fdDouglas Gregor /// 110a081da5e44600d02983d6562bed1b4fd61e410fdDouglas Gregor /// When true, the original entry may be a virtual file that does not 111a081da5e44600d02983d6562bed1b4fd61e410fdDouglas Gregor /// exist. 112a081da5e44600d02983d6562bed1b4fd61e410fdDouglas Gregor unsigned BufferOverridden : 1; 113a081da5e44600d02983d6562bed1b4fd61e410fdDouglas Gregor 1147955a25c65b3c3213a5e9375f51a02a765a3c880Douglas Gregor ContentCache(const FileEntry *Ent = 0) 1157955a25c65b3c3213a5e9375f51a02a765a3c880Douglas Gregor : Buffer(0, false), OrigEntry(Ent), ContentsEntry(Ent), 1167955a25c65b3c3213a5e9375f51a02a765a3c880Douglas Gregor SourceLineCache(0), NumLines(0), BufferOverridden(false) {} 1177955a25c65b3c3213a5e9375f51a02a765a3c880Douglas Gregor 1187955a25c65b3c3213a5e9375f51a02a765a3c880Douglas Gregor ContentCache(const FileEntry *Ent, const FileEntry *contentEnt) 1197955a25c65b3c3213a5e9375f51a02a765a3c880Douglas Gregor : Buffer(0, false), OrigEntry(Ent), ContentsEntry(contentEnt), 1207955a25c65b3c3213a5e9375f51a02a765a3c880Douglas Gregor SourceLineCache(0), NumLines(0), BufferOverridden(false) {} 1217955a25c65b3c3213a5e9375f51a02a765a3c880Douglas Gregor 1227955a25c65b3c3213a5e9375f51a02a765a3c880Douglas Gregor ~ContentCache(); 1237955a25c65b3c3213a5e9375f51a02a765a3c880Douglas Gregor 1247955a25c65b3c3213a5e9375f51a02a765a3c880Douglas Gregor /// The copy ctor does not allow copies where source object has either 1257955a25c65b3c3213a5e9375f51a02a765a3c880Douglas Gregor /// a non-NULL Buffer or SourceLineCache. Ownership of allocated memory 1267955a25c65b3c3213a5e9375f51a02a765a3c880Douglas Gregor /// is not transferred, so this is a logical error. 1277955a25c65b3c3213a5e9375f51a02a765a3c880Douglas Gregor ContentCache(const ContentCache &RHS) 1287955a25c65b3c3213a5e9375f51a02a765a3c880Douglas Gregor : Buffer(0, false), SourceLineCache(0), BufferOverridden(false) 1297955a25c65b3c3213a5e9375f51a02a765a3c880Douglas Gregor { 1307955a25c65b3c3213a5e9375f51a02a765a3c880Douglas Gregor OrigEntry = RHS.OrigEntry; 1317955a25c65b3c3213a5e9375f51a02a765a3c880Douglas Gregor ContentsEntry = RHS.ContentsEntry; 1327955a25c65b3c3213a5e9375f51a02a765a3c880Douglas Gregor 1337955a25c65b3c3213a5e9375f51a02a765a3c880Douglas Gregor assert (RHS.Buffer.getPointer() == 0 && RHS.SourceLineCache == 0 && 1347955a25c65b3c3213a5e9375f51a02a765a3c880Douglas Gregor "Passed ContentCache object cannot own a buffer."); 1357955a25c65b3c3213a5e9375f51a02a765a3c880Douglas Gregor 1367955a25c65b3c3213a5e9375f51a02a765a3c880Douglas Gregor NumLines = RHS.NumLines; 1377955a25c65b3c3213a5e9375f51a02a765a3c880Douglas Gregor } 1387955a25c65b3c3213a5e9375f51a02a765a3c880Douglas Gregor 13936c35ba0aca641e60e5dbee8efbc620c08b9bd61Douglas Gregor /// getBuffer - Returns the memory buffer for the associated content. 14036c35ba0aca641e60e5dbee8efbc620c08b9bd61Douglas Gregor /// 141a92d7e7a55a35b28437103130904a6401bf35408Jonathan D. Turner /// \param Diag Object through which diagnostics will be emitted if the 14236c35ba0aca641e60e5dbee8efbc620c08b9bd61Douglas Gregor /// buffer cannot be retrieved. 1435330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher /// 144e127a0d80155b45dafe77f2b4380e5fa111a3345Chris Lattner /// \param Loc If specified, is the location that invalid file diagnostics 145e127a0d80155b45dafe77f2b4380e5fa111a3345Chris Lattner /// will be emitted at. 146e127a0d80155b45dafe77f2b4380e5fa111a3345Chris Lattner /// 14736c35ba0aca641e60e5dbee8efbc620c08b9bd61Douglas Gregor /// \param Invalid If non-NULL, will be set \c true if an error occurred. 148d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie const llvm::MemoryBuffer *getBuffer(DiagnosticsEngine &Diag, 149e127a0d80155b45dafe77f2b4380e5fa111a3345Chris Lattner const SourceManager &SM, 150e127a0d80155b45dafe77f2b4380e5fa111a3345Chris Lattner SourceLocation Loc = SourceLocation(), 15136c35ba0aca641e60e5dbee8efbc620c08b9bd61Douglas Gregor bool *Invalid = 0) const; 1521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 153c16c208e8519476d838ad11fffc8e0ecea50550dTed Kremenek /// getSize - Returns the size of the content encapsulated by this 154c16c208e8519476d838ad11fffc8e0ecea50550dTed Kremenek /// ContentCache. This can be the size of the source file or the size of an 155c16c208e8519476d838ad11fffc8e0ecea50550dTed Kremenek /// arbitrary scratch buffer. If the ContentCache encapsulates a source 156c16c208e8519476d838ad11fffc8e0ecea50550dTed Kremenek /// file this size is retrieved from the file's FileEntry. 157c16c208e8519476d838ad11fffc8e0ecea50550dTed Kremenek unsigned getSize() const; 1581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 159c16c208e8519476d838ad11fffc8e0ecea50550dTed Kremenek /// getSizeBytesMapped - Returns the number of bytes actually mapped for 1603201f382956ed9beee9fb31229c2835c1208889cChandler Carruth /// this ContentCache. This can be 0 if the MemBuffer was not actually 1613201f382956ed9beee9fb31229c2835c1208889cChandler Carruth /// expanded. 162c16c208e8519476d838ad11fffc8e0ecea50550dTed Kremenek unsigned getSizeBytesMapped() const; 1635330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 164f61b831d7f6a15676b07647f507de80324cb7056Ted Kremenek /// Returns the kind of memory used to back the memory buffer for 165f61b831d7f6a15676b07647f507de80324cb7056Ted Kremenek /// this content cache. This is used for performance analysis. 166f61b831d7f6a15676b07647f507de80324cb7056Ted Kremenek llvm::MemoryBuffer::BufferKind getMemoryBufferKind() const; 1671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16805816591ec488a933dfecc9ff9f3cbf3c32767c2Chris Lattner void setBuffer(const llvm::MemoryBuffer *B) { 169c815108d08b0417c6f1104e7df70dc5278839406Douglas Gregor assert(!Buffer.getPointer() && "MemoryBuffer already set."); 170c815108d08b0417c6f1104e7df70dc5278839406Douglas Gregor Buffer.setPointer(B); 171c815108d08b0417c6f1104e7df70dc5278839406Douglas Gregor Buffer.setInt(false); 172c16c208e8519476d838ad11fffc8e0ecea50550dTed Kremenek } 1735330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 174cc5888d833caf90ebda37f24da40d2cd06b4d820Douglas Gregor /// \brief Get the underlying buffer, returning NULL if the buffer is not 175cc5888d833caf90ebda37f24da40d2cd06b4d820Douglas Gregor /// yet available. 176cc5888d833caf90ebda37f24da40d2cd06b4d820Douglas Gregor const llvm::MemoryBuffer *getRawBuffer() const { 177cc5888d833caf90ebda37f24da40d2cd06b4d820Douglas Gregor return Buffer.getPointer(); 178cc5888d833caf90ebda37f24da40d2cd06b4d820Douglas Gregor } 1791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1802968442603b029949246467253eeac8139a5b6d8Douglas Gregor /// \brief Replace the existing buffer (which will be deleted) 1812968442603b029949246467253eeac8139a5b6d8Douglas Gregor /// with the given buffer. 182f4f6c9db68465b886ec2e596feaa6ecc782395a4Douglas Gregor void replaceBuffer(const llvm::MemoryBuffer *B, bool DoNotFree = false); 1832968442603b029949246467253eeac8139a5b6d8Douglas Gregor 184f4f6c9db68465b886ec2e596feaa6ecc782395a4Douglas Gregor /// \brief Determine whether the buffer itself is invalid. 185f4f6c9db68465b886ec2e596feaa6ecc782395a4Douglas Gregor bool isBufferInvalid() const { 186f4f6c9db68465b886ec2e596feaa6ecc782395a4Douglas Gregor return Buffer.getInt() & InvalidFlag; 187f4f6c9db68465b886ec2e596feaa6ecc782395a4Douglas Gregor } 1885330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 189f4f6c9db68465b886ec2e596feaa6ecc782395a4Douglas Gregor /// \brief Determine whether the buffer should be freed. 190f4f6c9db68465b886ec2e596feaa6ecc782395a4Douglas Gregor bool shouldFreeBuffer() const { 191f4f6c9db68465b886ec2e596feaa6ecc782395a4Douglas Gregor return (Buffer.getInt() & DoNotFreeFlag) == 0; 192f4f6c9db68465b886ec2e596feaa6ecc782395a4Douglas Gregor } 1935330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 1940d892d8bfddd4916cc4f3467e1184a623d0716daTed Kremenek private: 1950d892d8bfddd4916cc4f3467e1184a623d0716daTed Kremenek // Disable assignments. 1961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ContentCache &operator=(const ContentCache& RHS); 1971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump }; 1985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 199de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner /// FileInfo - Information about a FileID, basically just the logical file 200de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner /// that it represents and include stack information. 2015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 202de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner /// Each FileInfo has include stack information, indicating where it came 2033201f382956ed9beee9fb31229c2835c1208889cChandler Carruth /// from. This information encodes the #include chain that a token was 2043201f382956ed9beee9fb31229c2835c1208889cChandler Carruth /// expanded from. The main include file has an invalid IncludeLoc. 2055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 206de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner /// FileInfos contain a "ContentCache *", with the contents of the file. 2075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 208de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner class FileInfo { 2095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// IncludeLoc - The location of the #include that brought in this file. 210de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner /// This is an invalid SLOC for the main file (top of the #include chain). 211de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner unsigned IncludeLoc; // Really a SourceLocation 2121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 213d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis /// \brief Number of FileIDs (files and macros) that were created during 214d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis /// preprocessing of this #include, including this SLocEntry. 215d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis /// Zero means the preprocessor didn't provide such info for this SLocEntry. 216d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis unsigned NumCreatedFIDs; 217d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis 2186e1aff2f586025f2d385ee49239f626b0fc63fd7Chris Lattner /// Data - This contains the ContentCache* and the bits indicating the 2196e1aff2f586025f2d385ee49239f626b0fc63fd7Chris Lattner /// characteristic of the file and whether it has #line info, all bitmangled 2206e1aff2f586025f2d385ee49239f626b0fc63fd7Chris Lattner /// together. 2216e1aff2f586025f2d385ee49239f626b0fc63fd7Chris Lattner uintptr_t Data; 222d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis 22321032df7a0dfc129a8f0c5e004811b455baafb7aArgyrios Kyrtzidis friend class clang::SourceManager; 22421032df7a0dfc129a8f0c5e004811b455baafb7aArgyrios Kyrtzidis friend class clang::ASTWriter; 22521032df7a0dfc129a8f0c5e004811b455baafb7aArgyrios Kyrtzidis friend class clang::ASTReader; 22678d85f53b093867bbb0123f016956178eea7343eTed Kremenek public: 227de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner /// get - Return a FileInfo object. 228de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner static FileInfo get(SourceLocation IL, const ContentCache *Con, 229de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner CharacteristicKind FileCharacter) { 230de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner FileInfo X; 231de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner X.IncludeLoc = IL.getRawEncoding(); 232d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis X.NumCreatedFIDs = 0; 2336e1aff2f586025f2d385ee49239f626b0fc63fd7Chris Lattner X.Data = (uintptr_t)Con; 23400282d6e1194655a2e89f940bd6fa8484b52e666Chris Lattner assert((X.Data & 7) == 0 &&"ContentCache pointer insufficiently aligned"); 2356e1aff2f586025f2d385ee49239f626b0fc63fd7Chris Lattner assert((unsigned)FileCharacter < 4 && "invalid file character"); 2366e1aff2f586025f2d385ee49239f626b0fc63fd7Chris Lattner X.Data |= (unsigned)FileCharacter; 2375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return X; 2385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2391eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 240de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner SourceLocation getIncludeLoc() const { 241de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner return SourceLocation::getFromRawEncoding(IncludeLoc); 242de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner } 2436e1aff2f586025f2d385ee49239f626b0fc63fd7Chris Lattner const ContentCache* getContentCache() const { 24400282d6e1194655a2e89f940bd6fa8484b52e666Chris Lattner return reinterpret_cast<const ContentCache*>(Data & ~7UL); 2456e1aff2f586025f2d385ee49239f626b0fc63fd7Chris Lattner } 2461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2470b9e736308af5397f558ffc8e780c438c2fdb563Chris Lattner /// getCharacteristic - Return whether this is a system header or not. 2481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CharacteristicKind getFileCharacteristic() const { 2496e1aff2f586025f2d385ee49239f626b0fc63fd7Chris Lattner return (CharacteristicKind)(Data & 3); 2500b9e736308af5397f558ffc8e780c438c2fdb563Chris Lattner } 251ac50e3427cb9eb3dc9f13f29a78f00ef3122433dChris Lattner 252ac50e3427cb9eb3dc9f13f29a78f00ef3122433dChris Lattner /// hasLineDirectives - Return true if this FileID has #line directives in 253ac50e3427cb9eb3dc9f13f29a78f00ef3122433dChris Lattner /// it. 254ac50e3427cb9eb3dc9f13f29a78f00ef3122433dChris Lattner bool hasLineDirectives() const { return (Data & 4) != 0; } 2551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 256ac50e3427cb9eb3dc9f13f29a78f00ef3122433dChris Lattner /// setHasLineDirectives - Set the flag that indicates that this FileID has 257ac50e3427cb9eb3dc9f13f29a78f00ef3122433dChris Lattner /// line table entries associated with it. 258ac50e3427cb9eb3dc9f13f29a78f00ef3122433dChris Lattner void setHasLineDirectives() { 259ac50e3427cb9eb3dc9f13f29a78f00ef3122433dChris Lattner Data |= 4; 260ac50e3427cb9eb3dc9f13f29a78f00ef3122433dChris Lattner } 2619dc1f530c086d2c16f8cba758b0f59a5bf41323aChris Lattner }; 2621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 26378df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth /// ExpansionInfo - Each ExpansionInfo encodes the expansion location - where 26478df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth /// the token was ultimately expanded, and the SpellingLoc - where the actual 26578df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth /// character data for the token came from. 26678df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth class ExpansionInfo { 26778df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth // Really these are all SourceLocations. 2681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 269e7fb48466afcbf2c4ccdfa658824282fdc3c512cChris Lattner /// SpellingLoc - Where the spelling for the token can be found. 270e7fb48466afcbf2c4ccdfa658824282fdc3c512cChris Lattner unsigned SpellingLoc; 2711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 27278df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth /// ExpansionLocStart/ExpansionLocEnd - In a macro expansion, these 27378df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth /// indicate the start and end of the expansion. In object-like macros, 2743201f382956ed9beee9fb31229c2835c1208889cChandler Carruth /// these will be the same. In a function-like macro expansion, the start 2753201f382956ed9beee9fb31229c2835c1208889cChandler Carruth /// will be the identifier and the end will be the ')'. Finally, in 276c8d1ecca1cd3fadbd331d15c420755aa6184554bChandler Carruth /// macro-argument instantitions, the end will be 'SourceLocation()', an 277c8d1ecca1cd3fadbd331d15c420755aa6184554bChandler Carruth /// invalid location. 27878df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth unsigned ExpansionLocStart, ExpansionLocEnd; 279c8d1ecca1cd3fadbd331d15c420755aa6184554bChandler Carruth 2809dc1f530c086d2c16f8cba758b0f59a5bf41323aChris Lattner public: 281de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner SourceLocation getSpellingLoc() const { 282de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner return SourceLocation::getFromRawEncoding(SpellingLoc); 283de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner } 28478df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth SourceLocation getExpansionLocStart() const { 28578df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth return SourceLocation::getFromRawEncoding(ExpansionLocStart); 286e7fb48466afcbf2c4ccdfa658824282fdc3c512cChris Lattner } 28778df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth SourceLocation getExpansionLocEnd() const { 288c8d1ecca1cd3fadbd331d15c420755aa6184554bChandler Carruth SourceLocation EndLoc = 28978df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth SourceLocation::getFromRawEncoding(ExpansionLocEnd); 29078df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth return EndLoc.isInvalid() ? getExpansionLocStart() : EndLoc; 291e7fb48466afcbf2c4ccdfa658824282fdc3c512cChris Lattner } 2921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29378df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth std::pair<SourceLocation,SourceLocation> getExpansionLocRange() const { 29478df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth return std::make_pair(getExpansionLocStart(), getExpansionLocEnd()); 295e7fb48466afcbf2c4ccdfa658824282fdc3c512cChris Lattner } 2961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29796d3589e523a04f4ff2058a7919226ce60696ae8Chandler Carruth bool isMacroArgExpansion() const { 298c8d1ecca1cd3fadbd331d15c420755aa6184554bChandler Carruth // Note that this needs to return false for default constructed objects. 29978df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth return getExpansionLocStart().isValid() && 30078df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth SourceLocation::getFromRawEncoding(ExpansionLocEnd).isInvalid(); 301c8d1ecca1cd3fadbd331d15c420755aa6184554bChandler Carruth } 302c8d1ecca1cd3fadbd331d15c420755aa6184554bChandler Carruth 303cee5ec9df479994e4ba27fb65b7ded5bb5a980ebArgyrios Kyrtzidis bool isFunctionMacroExpansion() const { 304cee5ec9df479994e4ba27fb65b7ded5bb5a980ebArgyrios Kyrtzidis return getExpansionLocStart().isValid() && 305cee5ec9df479994e4ba27fb65b7ded5bb5a980ebArgyrios Kyrtzidis getExpansionLocStart() != getExpansionLocEnd(); 306cee5ec9df479994e4ba27fb65b7ded5bb5a980ebArgyrios Kyrtzidis } 307cee5ec9df479994e4ba27fb65b7ded5bb5a980ebArgyrios Kyrtzidis 30878df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth /// create - Return a ExpansionInfo for an expansion. Start and End specify 30978df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth /// the expansion range (where the macro is expanded), and SpellingLoc 31078df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth /// specifies the spelling location (where the characters from the token 31178df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth /// come from). All three can refer to normal File SLocs or expansion 31278df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth /// locations. 31378df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth static ExpansionInfo create(SourceLocation SpellingLoc, 31478df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth SourceLocation Start, SourceLocation End) { 31578df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth ExpansionInfo X; 31678df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth X.SpellingLoc = SpellingLoc.getRawEncoding(); 31778df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth X.ExpansionLocStart = Start.getRawEncoding(); 31878df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth X.ExpansionLocEnd = End.getRawEncoding(); 3199dc1f530c086d2c16f8cba758b0f59a5bf41323aChris Lattner return X; 3205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 321c8d1ecca1cd3fadbd331d15c420755aa6184554bChandler Carruth 32278df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth /// createForMacroArg - Return a special ExpansionInfo for the expansion of 32378df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth /// a macro argument into a function-like macro's body. ExpansionLoc 32478df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth /// specifies the expansion location (where the macro is expanded). This 32578df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth /// doesn't need to be a range because a macro is always expanded at 32678df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth /// a macro parameter reference, and macro parameters are always exactly 32778df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth /// one token. SpellingLoc specifies the spelling location (where the 32878df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth /// characters from the token come from). ExpansionLoc and SpellingLoc can 32978df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth /// both refer to normal File SLocs or expansion locations. 330c8d1ecca1cd3fadbd331d15c420755aa6184554bChandler Carruth /// 331c8d1ecca1cd3fadbd331d15c420755aa6184554bChandler Carruth /// Given the code: 332c8d1ecca1cd3fadbd331d15c420755aa6184554bChandler Carruth /// \code 333c8d1ecca1cd3fadbd331d15c420755aa6184554bChandler Carruth /// #define F(x) f(x) 334c8d1ecca1cd3fadbd331d15c420755aa6184554bChandler Carruth /// F(42); 335c8d1ecca1cd3fadbd331d15c420755aa6184554bChandler Carruth /// \endcode 336c8d1ecca1cd3fadbd331d15c420755aa6184554bChandler Carruth /// 33778df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth /// When expanding '\c F(42)', the '\c x' would call this with an 33878df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth /// SpellingLoc pointing at '\c 42' anad an ExpansionLoc pointing at its 33978df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth /// location in the definition of '\c F'. 34078df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth static ExpansionInfo createForMacroArg(SourceLocation SpellingLoc, 34178df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth SourceLocation ExpansionLoc) { 342c8d1ecca1cd3fadbd331d15c420755aa6184554bChandler Carruth // We store an intentionally invalid source location for the end of the 34378df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth // expansion range to mark that this is a macro argument ion rather than 34478df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth // a normal one. 34578df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth return create(SpellingLoc, ExpansionLoc, SourceLocation()); 346c8d1ecca1cd3fadbd331d15c420755aa6184554bChandler Carruth } 347de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner }; 3481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 349de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner /// SLocEntry - This is a discriminated union of FileInfo and 35078df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth /// ExpansionInfo. SourceManager keeps an array of these objects, and 351de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner /// they are uniquely identified by the FileID datatype. 352de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner class SLocEntry { 3533201f382956ed9beee9fb31229c2835c1208889cChandler Carruth unsigned Offset; // low bit is set for expansion info. 354de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner union { 355de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner FileInfo File; 3561728762d5a8cfaf8d64385f47b311e84de1ae7a2Chandler Carruth ExpansionInfo Expansion; 357de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner }; 358de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner public: 359de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner unsigned getOffset() const { return Offset >> 1; } 3601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3611728762d5a8cfaf8d64385f47b311e84de1ae7a2Chandler Carruth bool isExpansion() const { return Offset & 1; } 3621728762d5a8cfaf8d64385f47b311e84de1ae7a2Chandler Carruth bool isFile() const { return !isExpansion(); } 3631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 364de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner const FileInfo &getFile() const { 365de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner assert(isFile() && "Not a file SLocEntry!"); 366de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner return File; 367de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner } 368de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner 3691728762d5a8cfaf8d64385f47b311e84de1ae7a2Chandler Carruth const ExpansionInfo &getExpansion() const { 3701728762d5a8cfaf8d64385f47b311e84de1ae7a2Chandler Carruth assert(isExpansion() && "Not a macro expansion SLocEntry!"); 3711728762d5a8cfaf8d64385f47b311e84de1ae7a2Chandler Carruth return Expansion; 372de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner } 3731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 374de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner static SLocEntry get(unsigned Offset, const FileInfo &FI) { 375de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner SLocEntry E; 376de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner E.Offset = Offset << 1; 377de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner E.File = FI; 378de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner return E; 379de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner } 380de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner 38178df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth static SLocEntry get(unsigned Offset, const ExpansionInfo &Expansion) { 382de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner SLocEntry E; 383de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner E.Offset = (Offset << 1) | 1; 3841728762d5a8cfaf8d64385f47b311e84de1ae7a2Chandler Carruth E.Expansion = Expansion; 385de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner return E; 386de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner } 3875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 3885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end SrcMgr namespace. 3897f94b0b0c6791013d2f72ced9b4bedd3b23673a6Douglas Gregor 3907f94b0b0c6791013d2f72ced9b4bedd3b23673a6Douglas Gregor/// \brief External source of source location entries. 3917f94b0b0c6791013d2f72ced9b4bedd3b23673a6Douglas Gregorclass ExternalSLocEntrySource { 3927f94b0b0c6791013d2f72ced9b4bedd3b23673a6Douglas Gregorpublic: 3937f94b0b0c6791013d2f72ced9b4bedd3b23673a6Douglas Gregor virtual ~ExternalSLocEntrySource(); 3947f94b0b0c6791013d2f72ced9b4bedd3b23673a6Douglas Gregor 395f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// \brief Read the source location entry with index ID, which will always be 396f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// less than -1. 397e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor /// 398e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor /// \returns true if an error occurred that prevented the source-location 399e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor /// entry from being loaded. 400f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor virtual bool ReadSLocEntry(int ID) = 0; 4017f94b0b0c6791013d2f72ced9b4bedd3b23673a6Douglas Gregor}; 4025330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 403dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner 404dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner/// IsBeforeInTranslationUnitCache - This class holds the cache used by 405dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner/// isBeforeInTranslationUnit. The cache structure is complex enough to be 406dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner/// worth breaking out of SourceManager. 407dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattnerclass IsBeforeInTranslationUnitCache { 408dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner /// L/R QueryFID - These are the FID's of the cached query. If these match up 409dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner /// with a subsequent query, the result can be reused. 410dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner FileID LQueryFID, RQueryFID; 41137e59a10a7a537428e5997fd5896f5b89fd34e6bArgyrios Kyrtzidis 41237e59a10a7a537428e5997fd5896f5b89fd34e6bArgyrios Kyrtzidis /// \brief True if LQueryFID was created before RQueryFID. This is used 41337e59a10a7a537428e5997fd5896f5b89fd34e6bArgyrios Kyrtzidis /// to compare macro expansion locations. 41437e59a10a7a537428e5997fd5896f5b89fd34e6bArgyrios Kyrtzidis bool IsLQFIDBeforeRQFID; 41537e59a10a7a537428e5997fd5896f5b89fd34e6bArgyrios Kyrtzidis 416dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner /// CommonFID - This is the file found in common between the two #include 417dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner /// traces. It is the nearest common ancestor of the #include tree. 418dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner FileID CommonFID; 4195330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 420dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner /// L/R CommonOffset - This is the offset of the previous query in CommonFID. 421dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner /// Usually, this represents the location of the #include for QueryFID, but if 422dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner /// LQueryFID is a parent of RQueryFID (or vise versa) then these can be a 423dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner /// random token in the parent. 424dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner unsigned LCommonOffset, RCommonOffset; 425dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattnerpublic: 4265330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 427dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner /// isCacheValid - Return true if the currently cached values match up with 428dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner /// the specified LHS/RHS query. If not, we can't use the cache. 429dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner bool isCacheValid(FileID LHS, FileID RHS) const { 430dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner return LQueryFID == LHS && RQueryFID == RHS; 431dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner } 4325330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 433dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner /// getCachedResult - If the cache is valid, compute the result given the 434dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner /// specified offsets in the LHS/RHS FID's. 435dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner bool getCachedResult(unsigned LOffset, unsigned ROffset) const { 436dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner // If one of the query files is the common file, use the offset. Otherwise, 437dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner // use the #include loc in the common file. 438dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner if (LQueryFID != CommonFID) LOffset = LCommonOffset; 439dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner if (RQueryFID != CommonFID) ROffset = RCommonOffset; 44037e59a10a7a537428e5997fd5896f5b89fd34e6bArgyrios Kyrtzidis 44137e59a10a7a537428e5997fd5896f5b89fd34e6bArgyrios Kyrtzidis // It is common for multiple macro expansions to be "included" from the same 44237e59a10a7a537428e5997fd5896f5b89fd34e6bArgyrios Kyrtzidis // location (expansion location), in which case use the order of the FileIDs 4434d1cbcf6b9aaae7f82c6e332f46b2ad2d8971bd0Argyrios Kyrtzidis // to determine which came first. This will also take care the case where 4444d1cbcf6b9aaae7f82c6e332f46b2ad2d8971bd0Argyrios Kyrtzidis // one of the locations points at the inclusion/expansion point of the other 4454d1cbcf6b9aaae7f82c6e332f46b2ad2d8971bd0Argyrios Kyrtzidis // in which case its FileID will come before the other. 446d7711ec430fde5706f85ba6c4b85283a8e743ff7Argyrios Kyrtzidis if (LOffset == ROffset) 44737e59a10a7a537428e5997fd5896f5b89fd34e6bArgyrios Kyrtzidis return IsLQFIDBeforeRQFID; 44837e59a10a7a537428e5997fd5896f5b89fd34e6bArgyrios Kyrtzidis 449dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner return LOffset < ROffset; 450dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner } 4515330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 452dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner // Set up a new query. 45337e59a10a7a537428e5997fd5896f5b89fd34e6bArgyrios Kyrtzidis void setQueryFIDs(FileID LHS, FileID RHS, bool isLFIDBeforeRFID) { 45437e59a10a7a537428e5997fd5896f5b89fd34e6bArgyrios Kyrtzidis assert(LHS != RHS); 455dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner LQueryFID = LHS; 456dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner RQueryFID = RHS; 45737e59a10a7a537428e5997fd5896f5b89fd34e6bArgyrios Kyrtzidis IsLQFIDBeforeRQFID = isLFIDBeforeRFID; 45837e59a10a7a537428e5997fd5896f5b89fd34e6bArgyrios Kyrtzidis } 45937e59a10a7a537428e5997fd5896f5b89fd34e6bArgyrios Kyrtzidis 46037e59a10a7a537428e5997fd5896f5b89fd34e6bArgyrios Kyrtzidis void clear() { 46137e59a10a7a537428e5997fd5896f5b89fd34e6bArgyrios Kyrtzidis LQueryFID = RQueryFID = FileID(); 46237e59a10a7a537428e5997fd5896f5b89fd34e6bArgyrios Kyrtzidis IsLQFIDBeforeRQFID = false; 463dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner } 4645330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 465dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner void setCommonLoc(FileID commonFID, unsigned lCommonOffset, 466dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner unsigned rCommonOffset) { 467dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner CommonFID = commonFID; 468dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner LCommonOffset = lCommonOffset; 469dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner RCommonOffset = rCommonOffset; 470dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner } 4715330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 472dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner}; 4737f94b0b0c6791013d2f72ced9b4bedd3b23673a6Douglas Gregor 474f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor/// \brief This class handles loading and caching of source files into memory. 475f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor/// 476f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor/// This object owns the MemoryBuffer objects for all of the loaded 4775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// files and assigns unique FileID's for each unique #include chain. 4785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 4795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// The SourceManager can be queried for information about SourceLocation 4803201f382956ed9beee9fb31229c2835c1208889cChandler Carruth/// objects, turning them into either spelling or expansion locations. Spelling 4813201f382956ed9beee9fb31229c2835c1208889cChandler Carruth/// locations represent where the bytes corresponding to a token came from and 4823201f382956ed9beee9fb31229c2835c1208889cChandler Carruth/// expansion locations represent where the location is in the user's view. In 4833201f382956ed9beee9fb31229c2835c1208889cChandler Carruth/// the case of a macro expansion, for example, the spelling location indicates 4843201f382956ed9beee9fb31229c2835c1208889cChandler Carruth/// where the expanded token came from and the expansion location specifies 4853201f382956ed9beee9fb31229c2835c1208889cChandler Carruth/// where it was expanded. 4864f32786ac45210143654390177105eb749b614e9Ted Kremenekclass SourceManager : public llvm::RefCountedBase<SourceManager> { 487d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie /// \brief DiagnosticsEngine object. 488d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie DiagnosticsEngine &Diag; 489389db16c63eec6ecfa9b235155252d8da766e94eArgyrios Kyrtzidis 490389db16c63eec6ecfa9b235155252d8da766e94eArgyrios Kyrtzidis FileManager &FileMgr; 491389db16c63eec6ecfa9b235155252d8da766e94eArgyrios Kyrtzidis 4920d0bf8cf58b35302312cc155287fde3e81eb25a7Chris Lattner mutable llvm::BumpPtrAllocator ContentCacheAlloc; 4931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// FileInfos - Memoized information about all of the files tracked by this 4950d892d8bfddd4916cc4f3467e1184a623d0716daTed Kremenek /// SourceManager. This set allows us to merge ContentCache entries based 4960d892d8bfddd4916cc4f3467e1184a623d0716daTed Kremenek /// on their FileEntry*. All ContentCache objects will thus have unique, 4971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// non-null, FileEntry pointers. 4980d0bf8cf58b35302312cc155287fde3e81eb25a7Chris Lattner llvm::DenseMap<const FileEntry*, SrcMgr::ContentCache*> FileInfos; 4991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 500299a4a967b02c9f0d0d94ad8560e3ced893f9116Argyrios Kyrtzidis /// \brief True if the ContentCache for files that are overriden by other 501299a4a967b02c9f0d0d94ad8560e3ced893f9116Argyrios Kyrtzidis /// files, should report the original file name. Defaults to true. 502299a4a967b02c9f0d0d94ad8560e3ced893f9116Argyrios Kyrtzidis bool OverridenFilesKeepOriginalName; 503299a4a967b02c9f0d0d94ad8560e3ced893f9116Argyrios Kyrtzidis 504b1c86492f9a9bef01a4567408c22f961bbd604feArgyrios Kyrtzidis /// \brief Files that have been overriden with the contents from another file. 505b1c86492f9a9bef01a4567408c22f961bbd604feArgyrios Kyrtzidis llvm::DenseMap<const FileEntry *, const FileEntry *> OverriddenFiles; 506b1c86492f9a9bef01a4567408c22f961bbd604feArgyrios Kyrtzidis 5075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// MemBufferInfos - Information about various memory buffers that we have 5080d0bf8cf58b35302312cc155287fde3e81eb25a7Chris Lattner /// read in. All FileEntry* within the stored ContentCache objects are NULL, 5090d0bf8cf58b35302312cc155287fde3e81eb25a7Chris Lattner /// as they do not refer to a file. 5100d0bf8cf58b35302312cc155287fde3e81eb25a7Chris Lattner std::vector<SrcMgr::ContentCache*> MemBufferInfos; 5111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 512f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// \brief The table of SLocEntries that are local to this module. 513f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// 514f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// Positive FileIDs are indexes into this table. Entry 0 indicates an invalid 5153201f382956ed9beee9fb31229c2835c1208889cChandler Carruth /// expansion. 516f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor std::vector<SrcMgr::SLocEntry> LocalSLocEntryTable; 517f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor 518f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// \brief The table of SLocEntries that are loaded from other modules. 519f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// 520f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// Negative FileIDs are indexes into this table. To get from ID to an index, 521f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// use (-ID - 2). 522f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor std::vector<SrcMgr::SLocEntry> LoadedSLocEntryTable; 5237f94b0b0c6791013d2f72ced9b4bedd3b23673a6Douglas Gregor 524f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// \brief The starting offset of the next local SLocEntry. 525f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// 526f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// This is LocalSLocEntryTable.back().Offset + the size of that entry. 527f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor unsigned NextLocalOffset; 528f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor 529f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// \brief The starting offset of the latest batch of loaded SLocEntries. 530f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// 531f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// This is LoadedSLocEntryTable.back().Offset, except that that entry might 532f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// not have been loaded, so that value would be unknown. 533f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor unsigned CurrentLoadedOffset; 534f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor 535ac836e442cbd17f33533bd0b4879258945bc1723Argyrios Kyrtzidis /// \brief The highest possible offset is 2^31-1, so CurrentLoadedOffset 536ac836e442cbd17f33533bd0b4879258945bc1723Argyrios Kyrtzidis /// starts at 2^31. 537ac836e442cbd17f33533bd0b4879258945bc1723Argyrios Kyrtzidis static const unsigned MaxLoadedOffset = 1U << 31U; 538ac836e442cbd17f33533bd0b4879258945bc1723Argyrios Kyrtzidis 539f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// \brief A bitmap that indicates whether the entries of LoadedSLocEntryTable 540f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// have already been loaded from the external source. 541f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// 542f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// Same indexing as LoadedSLocEntryTable. 5437f94b0b0c6791013d2f72ced9b4bedd3b23673a6Douglas Gregor std::vector<bool> SLocEntryLoaded; 5447f94b0b0c6791013d2f72ced9b4bedd3b23673a6Douglas Gregor 5457f94b0b0c6791013d2f72ced9b4bedd3b23673a6Douglas Gregor /// \brief An external source for source location entries. 5467f94b0b0c6791013d2f72ced9b4bedd3b23673a6Douglas Gregor ExternalSLocEntrySource *ExternalSLocEntries; 5477f94b0b0c6791013d2f72ced9b4bedd3b23673a6Douglas Gregor 548de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner /// LastFileIDLookup - This is a one-entry cache to speed up getFileID. 549de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner /// LastFileIDLookup records the last FileID looked up or created, because it 550de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner /// is very common to look up many tokens from the same file. 551de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner mutable FileID LastFileIDLookup; 5521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5535b9a504720fb52594ca3686e10eb6c0cfa2e7d62Chris Lattner /// LineTable - This holds information for #line directives. It is referenced 5545b9a504720fb52594ca3686e10eb6c0cfa2e7d62Chris Lattner /// by indices from SLocEntryTable. 5555b9a504720fb52594ca3686e10eb6c0cfa2e7d62Chris Lattner LineTableInfo *LineTable; 5561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5575e36a7a89da5d69ece23fc8228624a053f75c645Chris Lattner /// LastLineNo - These ivars serve as a cache used in the getLineNumber 5585e36a7a89da5d69ece23fc8228624a053f75c645Chris Lattner /// method which is used to speedup getLineNumber calls to nearby locations. 5592b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner mutable FileID LastLineNoFileIDQuery; 560f812a45dd93634c9300ed5533bd26b56374714a1Chris Lattner mutable SrcMgr::ContentCache *LastLineNoContentCache; 561f812a45dd93634c9300ed5533bd26b56374714a1Chris Lattner mutable unsigned LastLineNoFilePos; 562f812a45dd93634c9300ed5533bd26b56374714a1Chris Lattner mutable unsigned LastLineNoResult; 5631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 56476edd0e4ae0592a7225d50d0bad6732ac64dca2aTed Kremenek /// MainFileID - The file ID for the main source file of the translation unit. 5652b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner FileID MainFileID; 56649c1f4aa2a6c360d25d605004ec3c4affd62db77Steve Naroff 567507097ec40105ed927cb5a744fad98f5875aacacArgyrios Kyrtzidis /// \brief The file ID for the precompiled preamble there is one. 568507097ec40105ed927cb5a744fad98f5875aacacArgyrios Kyrtzidis FileID PreambleFileID; 569507097ec40105ed927cb5a744fad98f5875aacacArgyrios Kyrtzidis 570de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner // Statistics for -print-stats. 571de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner mutable unsigned NumLinearScans, NumBinaryProbes; 5721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5732aa03d588bd2d3c73deb662880c2244bf2e384b9Argyrios Kyrtzidis // Cache results for the isBeforeInTranslationUnit method. 574dcb1d68f6ffa183f3919aee6b554aec3793bf13eChris Lattner mutable IsBeforeInTranslationUnitCache IsBeforeInTUCache; 5751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 576e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor // Cache for the "fake" buffer used for error-recovery purposes. 577e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor mutable llvm::MemoryBuffer *FakeBufferForRecovery; 5785330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 579fb3612ef197cb8532c05f33889ec1aed7c26e5cbArgyrios Kyrtzidis /// \brief Lazily computed map of macro argument chunks to their expanded 580fb3612ef197cb8532c05f33889ec1aed7c26e5cbArgyrios Kyrtzidis /// source location. 581fb3612ef197cb8532c05f33889ec1aed7c26e5cbArgyrios Kyrtzidis typedef std::map<unsigned, SourceLocation> MacroArgsMap; 582fb3612ef197cb8532c05f33889ec1aed7c26e5cbArgyrios Kyrtzidis 58370042f5d1ca378138f90b7b9384023701f5d03d8David Blaikie mutable llvm::DenseMap<FileID, MacroArgsMap *> MacroArgsCacheMap; 584fb3612ef197cb8532c05f33889ec1aed7c26e5cbArgyrios Kyrtzidis 58549c1f4aa2a6c360d25d605004ec3c4affd62db77Steve Naroff // SourceManager doesn't support copy construction. 58649c1f4aa2a6c360d25d605004ec3c4affd62db77Steve Naroff explicit SourceManager(const SourceManager&); 5871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump void operator=(const SourceManager&); 5885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 589d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie SourceManager(DiagnosticsEngine &Diag, FileManager &FileMgr); 5905b9a504720fb52594ca3686e10eb6c0cfa2e7d62Chris Lattner ~SourceManager(); 5911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5925b9a504720fb52594ca3686e10eb6c0cfa2e7d62Chris Lattner void clearIDTables(); 5931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 594d6471f7c1921c7802804ce3ff6fe9768310f72b9David Blaikie DiagnosticsEngine &getDiagnostics() const { return Diag; } 59578a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis 596389db16c63eec6ecfa9b235155252d8da766e94eArgyrios Kyrtzidis FileManager &getFileManager() const { return FileMgr; } 597389db16c63eec6ecfa9b235155252d8da766e94eArgyrios Kyrtzidis 598299a4a967b02c9f0d0d94ad8560e3ced893f9116Argyrios Kyrtzidis /// \brief Set true if the SourceManager should report the original file name 599299a4a967b02c9f0d0d94ad8560e3ced893f9116Argyrios Kyrtzidis /// for contents of files that were overriden by other files.Defaults to true. 600299a4a967b02c9f0d0d94ad8560e3ced893f9116Argyrios Kyrtzidis void setOverridenFilesKeepOriginalName(bool value) { 601299a4a967b02c9f0d0d94ad8560e3ced893f9116Argyrios Kyrtzidis OverridenFilesKeepOriginalName = value; 602299a4a967b02c9f0d0d94ad8560e3ced893f9116Argyrios Kyrtzidis } 603299a4a967b02c9f0d0d94ad8560e3ced893f9116Argyrios Kyrtzidis 604f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// createMainFileIDForMembuffer - Create the FileID for a memory buffer 605f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// that will represent the FileID for the main source. One example 606f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// of when this would be used is when the main source is read from STDIN. 607f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor FileID createMainFileIDForMemBuffer(const llvm::MemoryBuffer *Buffer) { 608f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor assert(MainFileID.isInvalid() && "MainFileID already set!"); 609f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor MainFileID = createFileIDForMemBuffer(Buffer); 610f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor return MainFileID; 611f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor } 612f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor 61306a062dc784c609b75dca15fd97f468d0d846596Chris Lattner //===--------------------------------------------------------------------===// 61406a062dc784c609b75dca15fd97f468d0d846596Chris Lattner // MainFileID creation and querying methods. 61506a062dc784c609b75dca15fd97f468d0d846596Chris Lattner //===--------------------------------------------------------------------===// 61606a062dc784c609b75dca15fd97f468d0d846596Chris Lattner 61776edd0e4ae0592a7225d50d0bad6732ac64dca2aTed Kremenek /// getMainFileID - Returns the FileID of the main source file. 6182b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner FileID getMainFileID() const { return MainFileID; } 6191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 62006a062dc784c609b75dca15fd97f468d0d846596Chris Lattner /// createMainFileID - Create the FileID for the main source file. 621a1f1fad8b60e1cb9d21a40a37f2e03150bcbeb6fDouglas Gregor FileID createMainFileID(const FileEntry *SourceFile, 622a1f1fad8b60e1cb9d21a40a37f2e03150bcbeb6fDouglas Gregor SrcMgr::CharacteristicKind Kind = SrcMgr::C_User) { 62306a062dc784c609b75dca15fd97f468d0d846596Chris Lattner assert(MainFileID.isInvalid() && "MainFileID already set!"); 624a1f1fad8b60e1cb9d21a40a37f2e03150bcbeb6fDouglas Gregor MainFileID = createFileID(SourceFile, SourceLocation(), Kind); 62506a062dc784c609b75dca15fd97f468d0d846596Chris Lattner return MainFileID; 62606a062dc784c609b75dca15fd97f468d0d846596Chris Lattner } 6271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 628b8c879a5363f36bdae8831112b563333e3c05acbArgyrios Kyrtzidis /// \brief Set the file ID for the main source file. 629b8c879a5363f36bdae8831112b563333e3c05acbArgyrios Kyrtzidis void setMainFileID(FileID FID) { 630b8c879a5363f36bdae8831112b563333e3c05acbArgyrios Kyrtzidis assert(MainFileID.isInvalid() && "MainFileID already set!"); 631b8c879a5363f36bdae8831112b563333e3c05acbArgyrios Kyrtzidis MainFileID = FID; 632b8c879a5363f36bdae8831112b563333e3c05acbArgyrios Kyrtzidis } 633b8c879a5363f36bdae8831112b563333e3c05acbArgyrios Kyrtzidis 634507097ec40105ed927cb5a744fad98f5875aacacArgyrios Kyrtzidis /// \brief Set the file ID for the precompiled preamble. 635507097ec40105ed927cb5a744fad98f5875aacacArgyrios Kyrtzidis void setPreambleFileID(FileID Preamble) { 636507097ec40105ed927cb5a744fad98f5875aacacArgyrios Kyrtzidis assert(PreambleFileID.isInvalid() && "PreambleFileID already set!"); 637507097ec40105ed927cb5a744fad98f5875aacacArgyrios Kyrtzidis PreambleFileID = Preamble; 638414cb64f09ce48a36377458ce5e5a90c3ad41d00Douglas Gregor } 6395330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 640507097ec40105ed927cb5a744fad98f5875aacacArgyrios Kyrtzidis /// \brief Get the file ID for the precompiled preamble if there is one. 641507097ec40105ed927cb5a744fad98f5875aacacArgyrios Kyrtzidis FileID getPreambleFileID() const { return PreambleFileID; } 642507097ec40105ed927cb5a744fad98f5875aacacArgyrios Kyrtzidis 64306a062dc784c609b75dca15fd97f468d0d846596Chris Lattner //===--------------------------------------------------------------------===// 6443201f382956ed9beee9fb31229c2835c1208889cChandler Carruth // Methods to create new FileID's and macro expansions. 64506a062dc784c609b75dca15fd97f468d0d846596Chris Lattner //===--------------------------------------------------------------------===// 6461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// createFileID - Create a new FileID that represents the specified file 648d57b7ff9bebc4c45f325fc1be6f238cfcd4c3732Peter Collingbourne /// being #included from the specified IncludePosition. This translates NULL 649d57b7ff9bebc4c45f325fc1be6f238cfcd4c3732Peter Collingbourne /// into standard input. 6502b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner FileID createFileID(const FileEntry *SourceFile, SourceLocation IncludePos, 6517f94b0b0c6791013d2f72ced9b4bedd3b23673a6Douglas Gregor SrcMgr::CharacteristicKind FileCharacter, 652f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor int LoadedID = 0, unsigned LoadedOffset = 0) { 653de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner const SrcMgr::ContentCache *IR = getOrCreateContentCache(SourceFile); 6540d06e998910934e5ef070f53f4c272e7c6b846c6Dan Gohman assert(IR && "getOrCreateContentCache() cannot return NULL"); 655f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor return createFileID(IR, IncludePos, FileCharacter, LoadedID, LoadedOffset); 6565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 6571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6585f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// createFileIDForMemBuffer - Create a new FileID that represents the 6595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// specified memory buffer. This does no caching of the buffer and takes 6605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// ownership of the MemoryBuffer, so only pass a MemoryBuffer to this once. 6617f94b0b0c6791013d2f72ced9b4bedd3b23673a6Douglas Gregor FileID createFileIDForMemBuffer(const llvm::MemoryBuffer *Buffer, 662f453cb9f677e16c00b358ec91eccf5f003765dc6Axel Naumann int LoadedID = 0, unsigned LoadedOffset = 0, 663f453cb9f677e16c00b358ec91eccf5f003765dc6Axel Naumann SourceLocation IncludeLoc = SourceLocation()) { 664f453cb9f677e16c00b358ec91eccf5f003765dc6Axel Naumann return createFileID(createMemBufferContentCache(Buffer), IncludeLoc, 665f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor SrcMgr::C_User, LoadedID, LoadedOffset); 6661036b68525f39cb69ac22c679ed440acd8392a16Ted Kremenek } 66706a062dc784c609b75dca15fd97f468d0d846596Chris Lattner 668bf340e452339e374ea6eef78c1f0a2abdd16c5a3Chandler Carruth /// createMacroArgExpansionLoc - Return a new SourceLocation that encodes the 669bf340e452339e374ea6eef78c1f0a2abdd16c5a3Chandler Carruth /// fact that a token from SpellingLoc should actually be referenced from 6703201f382956ed9beee9fb31229c2835c1208889cChandler Carruth /// ExpansionLoc, and that it represents the expansion of a macro argument 6713201f382956ed9beee9fb31229c2835c1208889cChandler Carruth /// into the function-like macro body. 672bf340e452339e374ea6eef78c1f0a2abdd16c5a3Chandler Carruth SourceLocation createMacroArgExpansionLoc(SourceLocation Loc, 673bf340e452339e374ea6eef78c1f0a2abdd16c5a3Chandler Carruth SourceLocation ExpansionLoc, 674bf340e452339e374ea6eef78c1f0a2abdd16c5a3Chandler Carruth unsigned TokLength); 675c8d1ecca1cd3fadbd331d15c420755aa6184554bChandler Carruth 676bf340e452339e374ea6eef78c1f0a2abdd16c5a3Chandler Carruth /// createExpansionLoc - Return a new SourceLocation that encodes the fact 677c8d1ecca1cd3fadbd331d15c420755aa6184554bChandler Carruth /// that a token from SpellingLoc should actually be referenced from 678bf340e452339e374ea6eef78c1f0a2abdd16c5a3Chandler Carruth /// ExpansionLoc. 679bf340e452339e374ea6eef78c1f0a2abdd16c5a3Chandler Carruth SourceLocation createExpansionLoc(SourceLocation Loc, 680bf340e452339e374ea6eef78c1f0a2abdd16c5a3Chandler Carruth SourceLocation ExpansionLocStart, 681bf340e452339e374ea6eef78c1f0a2abdd16c5a3Chandler Carruth SourceLocation ExpansionLocEnd, 682bf340e452339e374ea6eef78c1f0a2abdd16c5a3Chandler Carruth unsigned TokLength, 683bf340e452339e374ea6eef78c1f0a2abdd16c5a3Chandler Carruth int LoadedID = 0, 684bf340e452339e374ea6eef78c1f0a2abdd16c5a3Chandler Carruth unsigned LoadedOffset = 0); 6851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6862968442603b029949246467253eeac8139a5b6d8Douglas Gregor /// \brief Retrieve the memory buffer associated with the given file. 68750f6af7a6d6951a63f3da7d4c5a7d3965bf73b63Douglas Gregor /// 68850f6af7a6d6951a63f3da7d4c5a7d3965bf73b63Douglas Gregor /// \param Invalid If non-NULL, will be set \c true if an error 68950f6af7a6d6951a63f3da7d4c5a7d3965bf73b63Douglas Gregor /// occurs while retrieving the memory buffer. 69050f6af7a6d6951a63f3da7d4c5a7d3965bf73b63Douglas Gregor const llvm::MemoryBuffer *getMemoryBufferForFile(const FileEntry *File, 69150f6af7a6d6951a63f3da7d4c5a7d3965bf73b63Douglas Gregor bool *Invalid = 0); 6922968442603b029949246467253eeac8139a5b6d8Douglas Gregor 6932968442603b029949246467253eeac8139a5b6d8Douglas Gregor /// \brief Override the contents of the given source file by providing an 6942968442603b029949246467253eeac8139a5b6d8Douglas Gregor /// already-allocated buffer. 6952968442603b029949246467253eeac8139a5b6d8Douglas Gregor /// 696afbf5f810652f04c0bba235c0fa079885fb3caa8Dan Gohman /// \param SourceFile the source file whose contents will be overriden. 6972968442603b029949246467253eeac8139a5b6d8Douglas Gregor /// 6982968442603b029949246467253eeac8139a5b6d8Douglas Gregor /// \param Buffer the memory buffer whose contents will be used as the 6992968442603b029949246467253eeac8139a5b6d8Douglas Gregor /// data in the given source file. 7002968442603b029949246467253eeac8139a5b6d8Douglas Gregor /// 701f4f6c9db68465b886ec2e596feaa6ecc782395a4Douglas Gregor /// \param DoNotFree If true, then the buffer will not be freed when the 702f4f6c9db68465b886ec2e596feaa6ecc782395a4Douglas Gregor /// source manager is destroyed. 7030d06e998910934e5ef070f53f4c272e7c6b846c6Dan Gohman void overrideFileContents(const FileEntry *SourceFile, 704f4f6c9db68465b886ec2e596feaa6ecc782395a4Douglas Gregor const llvm::MemoryBuffer *Buffer, 705f4f6c9db68465b886ec2e596feaa6ecc782395a4Douglas Gregor bool DoNotFree = false); 7062968442603b029949246467253eeac8139a5b6d8Douglas Gregor 707b1c86492f9a9bef01a4567408c22f961bbd604feArgyrios Kyrtzidis /// \brief Override the the given source file with another one. 708b1c86492f9a9bef01a4567408c22f961bbd604feArgyrios Kyrtzidis /// 709b1c86492f9a9bef01a4567408c22f961bbd604feArgyrios Kyrtzidis /// \param SourceFile the source file which will be overriden. 710b1c86492f9a9bef01a4567408c22f961bbd604feArgyrios Kyrtzidis /// 711b1c86492f9a9bef01a4567408c22f961bbd604feArgyrios Kyrtzidis /// \param NewFile the file whose contents will be used as the 712b1c86492f9a9bef01a4567408c22f961bbd604feArgyrios Kyrtzidis /// data instead of the contents of the given source file. 713b1c86492f9a9bef01a4567408c22f961bbd604feArgyrios Kyrtzidis void overrideFileContents(const FileEntry *SourceFile, 714b1c86492f9a9bef01a4567408c22f961bbd604feArgyrios Kyrtzidis const FileEntry *NewFile); 715b1c86492f9a9bef01a4567408c22f961bbd604feArgyrios Kyrtzidis 71606a062dc784c609b75dca15fd97f468d0d846596Chris Lattner //===--------------------------------------------------------------------===// 71706a062dc784c609b75dca15fd97f468d0d846596Chris Lattner // FileID manipulation methods. 71806a062dc784c609b75dca15fd97f468d0d846596Chris Lattner //===--------------------------------------------------------------------===// 7191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7202ffb14f004affc363d86d6c7c63c356190db3679Daniel Dunbar /// getBuffer - Return the buffer for the specified FileID. If there is an 7212ffb14f004affc363d86d6c7c63c356190db3679Daniel Dunbar /// error opening this buffer the first time, this manufactures a temporary 7222ffb14f004affc363d86d6c7c63c356190db3679Daniel Dunbar /// buffer and returns a non-empty error string. 723e127a0d80155b45dafe77f2b4380e5fa111a3345Chris Lattner const llvm::MemoryBuffer *getBuffer(FileID FID, SourceLocation Loc, 724e127a0d80155b45dafe77f2b4380e5fa111a3345Chris Lattner bool *Invalid = 0) const { 725e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor bool MyInvalid = false; 726e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor const SrcMgr::SLocEntry &Entry = getSLocEntry(FID, &MyInvalid); 727e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor if (MyInvalid || !Entry.isFile()) { 728e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor if (Invalid) 729e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor *Invalid = true; 7305330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 731e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor return getFakeBufferForRecovery(); 732e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor } 7335330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 7345330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher return Entry.getFile().getContentCache()->getBuffer(Diag, *this, Loc, 735e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor Invalid); 73606a062dc784c609b75dca15fd97f468d0d846596Chris Lattner } 7371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 738e127a0d80155b45dafe77f2b4380e5fa111a3345Chris Lattner const llvm::MemoryBuffer *getBuffer(FileID FID, bool *Invalid = 0) const { 739e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor bool MyInvalid = false; 740e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor const SrcMgr::SLocEntry &Entry = getSLocEntry(FID, &MyInvalid); 741e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor if (MyInvalid || !Entry.isFile()) { 742e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor if (Invalid) 743e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor *Invalid = true; 7445330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 745e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor return getFakeBufferForRecovery(); 746e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor } 747e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor 7485330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher return Entry.getFile().getContentCache()->getBuffer(Diag, *this, 7495330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher SourceLocation(), 750e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor Invalid); 751e127a0d80155b45dafe77f2b4380e5fa111a3345Chris Lattner } 7525330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 75306a062dc784c609b75dca15fd97f468d0d846596Chris Lattner /// getFileEntryForID - Returns the FileEntry record for the provided FileID. 75406a062dc784c609b75dca15fd97f468d0d846596Chris Lattner const FileEntry *getFileEntryForID(FileID FID) const { 755e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor bool MyInvalid = false; 756e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor const SrcMgr::SLocEntry &Entry = getSLocEntry(FID, &MyInvalid); 757e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor if (MyInvalid || !Entry.isFile()) 758e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor return 0; 7595330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 76039afcafe1c0f66db67648b5230b700659448432cArgyrios Kyrtzidis const SrcMgr::ContentCache *Content = Entry.getFile().getContentCache(); 76139afcafe1c0f66db67648b5230b700659448432cArgyrios Kyrtzidis if (!Content) 76239afcafe1c0f66db67648b5230b700659448432cArgyrios Kyrtzidis return 0; 76339afcafe1c0f66db67648b5230b700659448432cArgyrios Kyrtzidis return Content->OrigEntry; 76406a062dc784c609b75dca15fd97f468d0d846596Chris Lattner } 7651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 7669d5a165d301cc9df68631e624322dd2a962f65b3Ted Kremenek /// Returns the FileEntry record for the provided SLocEntry. 7679d5a165d301cc9df68631e624322dd2a962f65b3Ted Kremenek const FileEntry *getFileEntryForSLocEntry(const SrcMgr::SLocEntry &sloc) const 7689d5a165d301cc9df68631e624322dd2a962f65b3Ted Kremenek { 76939afcafe1c0f66db67648b5230b700659448432cArgyrios Kyrtzidis const SrcMgr::ContentCache *Content = sloc.getFile().getContentCache(); 77039afcafe1c0f66db67648b5230b700659448432cArgyrios Kyrtzidis if (!Content) 77139afcafe1c0f66db67648b5230b700659448432cArgyrios Kyrtzidis return 0; 77239afcafe1c0f66db67648b5230b700659448432cArgyrios Kyrtzidis return Content->OrigEntry; 7739d5a165d301cc9df68631e624322dd2a962f65b3Ted Kremenek } 7749d5a165d301cc9df68631e624322dd2a962f65b3Ted Kremenek 775ceafc4b63599d14f0b5b10ff92e22bf242682dceBenjamin Kramer /// getBufferData - Return a StringRef to the source buffer data for the 776ceafc4b63599d14f0b5b10ff92e22bf242682dceBenjamin Kramer /// specified FileID. 777ceafc4b63599d14f0b5b10ff92e22bf242682dceBenjamin Kramer /// 778f715ca12bfc9fddfde75f98a197424434428b821Douglas Gregor /// \param FID The file ID whose contents will be returned. 779f715ca12bfc9fddfde75f98a197424434428b821Douglas Gregor /// \param Invalid If non-NULL, will be set true if an error occurred. 780686775deca8b8685eb90801495880e3abdd844c2Chris Lattner StringRef getBufferData(FileID FID, bool *Invalid = 0) const; 781f6ac97b101c8840efa92bf29166077ce4049e293Benjamin Kramer 782d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis /// \brief Get the number of FileIDs (files and macros) that were created 7832c3c7675b4c01b9d555c47232597a000fbb93c26Matt Beaumont-Gay /// during preprocessing of \p FID, including it. 784d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis unsigned getNumCreatedFIDsForFileID(FileID FID) const { 785d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis bool Invalid = false; 786d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis const SrcMgr::SLocEntry &Entry = getSLocEntry(FID, &Invalid); 787d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis if (Invalid || !Entry.isFile()) 788d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis return 0; 789d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis 790d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis return Entry.getFile().NumCreatedFIDs; 791d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis } 792d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis 793d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis /// \brief Set the number of FileIDs (files and macros) that were created 7942c3c7675b4c01b9d555c47232597a000fbb93c26Matt Beaumont-Gay /// during preprocessing of \p FID, including it. 795d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis void setNumCreatedFIDsForFileID(FileID FID, unsigned NumFIDs) const { 796d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis bool Invalid = false; 797d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis const SrcMgr::SLocEntry &Entry = getSLocEntry(FID, &Invalid); 798d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis if (Invalid || !Entry.isFile()) 799d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis return; 800d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis 801d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis assert(Entry.getFile().NumCreatedFIDs == 0 && "Already set!"); 802d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis const_cast<SrcMgr::FileInfo &>(Entry.getFile()).NumCreatedFIDs = NumFIDs; 803d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis } 8041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 80506a062dc784c609b75dca15fd97f468d0d846596Chris Lattner //===--------------------------------------------------------------------===// 80606a062dc784c609b75dca15fd97f468d0d846596Chris Lattner // SourceLocation manipulation methods. 80706a062dc784c609b75dca15fd97f468d0d846596Chris Lattner //===--------------------------------------------------------------------===// 8081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 809668ab1a36d6a5731c71a75a5f388ecafd538a896Chris Lattner /// getFileID - Return the FileID for a SourceLocation. This is a very 810de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner /// hot method that is used for all SourceManager queries that start with a 811de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner /// SourceLocation object. It is responsible for finding the entry in 812de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner /// SLocEntryTable which contains the specified location. 813de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner /// 814de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner FileID getFileID(SourceLocation SpellingLoc) const { 815de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner unsigned SLocOffset = SpellingLoc.getOffset(); 8161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 817de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner // If our one-entry cache covers this offset, just return it. 818de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner if (isOffsetInFileID(LastFileIDLookup, SLocOffset)) 819de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner return LastFileIDLookup; 820de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner 821de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner return getFileIDSlow(SLocOffset); 822de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner } 8231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8242b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner /// getLocForStartOfFile - Return the source location corresponding to the 8252b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner /// first byte of the specified file. 8262b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner SourceLocation getLocForStartOfFile(FileID FID) const { 827e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor bool Invalid = false; 828e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor const SrcMgr::SLocEntry &Entry = getSLocEntry(FID, &Invalid); 829e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor if (Invalid || !Entry.isFile()) 830e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor return SourceLocation(); 8315330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 832e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor unsigned FileOffset = Entry.getOffset(); 833de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner return SourceLocation::getFileLoc(FileOffset); 8342b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner } 835f226ff9fe8c8db6c5b74a61ce649eda1491c3502Argyrios Kyrtzidis 836f226ff9fe8c8db6c5b74a61ce649eda1491c3502Argyrios Kyrtzidis /// \brief Return the source location corresponding to the last byte of the 837f226ff9fe8c8db6c5b74a61ce649eda1491c3502Argyrios Kyrtzidis /// specified file. 838f226ff9fe8c8db6c5b74a61ce649eda1491c3502Argyrios Kyrtzidis SourceLocation getLocForEndOfFile(FileID FID) const { 839f226ff9fe8c8db6c5b74a61ce649eda1491c3502Argyrios Kyrtzidis bool Invalid = false; 840f226ff9fe8c8db6c5b74a61ce649eda1491c3502Argyrios Kyrtzidis const SrcMgr::SLocEntry &Entry = getSLocEntry(FID, &Invalid); 841f226ff9fe8c8db6c5b74a61ce649eda1491c3502Argyrios Kyrtzidis if (Invalid || !Entry.isFile()) 842f226ff9fe8c8db6c5b74a61ce649eda1491c3502Argyrios Kyrtzidis return SourceLocation(); 843f226ff9fe8c8db6c5b74a61ce649eda1491c3502Argyrios Kyrtzidis 844f226ff9fe8c8db6c5b74a61ce649eda1491c3502Argyrios Kyrtzidis unsigned FileOffset = Entry.getOffset(); 845f226ff9fe8c8db6c5b74a61ce649eda1491c3502Argyrios Kyrtzidis return SourceLocation::getFileLoc(FileOffset + getFileIDSize(FID) - 1); 846f226ff9fe8c8db6c5b74a61ce649eda1491c3502Argyrios Kyrtzidis } 8471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8482c3c7675b4c01b9d555c47232597a000fbb93c26Matt Beaumont-Gay /// \brief Returns the include location if \p FID is a #include'd file 849d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis /// otherwise it returns an invalid location. 850d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis SourceLocation getIncludeLoc(FileID FID) const { 851d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis bool Invalid = false; 852d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis const SrcMgr::SLocEntry &Entry = getSLocEntry(FID, &Invalid); 853d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis if (Invalid || !Entry.isFile()) 854d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis return SourceLocation(); 8555330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 856d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis return Entry.getFile().getIncludeLoc(); 857d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis } 858d9d2b679d0728ea7f539f38aaea38e26b8b08043Argyrios Kyrtzidis 859402785357ab053dd53f4fdd858b9630a5e0f8badChandler Carruth /// getExpansionLoc - Given a SourceLocation object, return the expansion 860402785357ab053dd53f4fdd858b9630a5e0f8badChandler Carruth /// location referenced by the ID. 861402785357ab053dd53f4fdd858b9630a5e0f8badChandler Carruth SourceLocation getExpansionLoc(SourceLocation Loc) const { 862addb797ca2b5afc1a1e82fd8d5d6eb2a592e75a9Chris Lattner // Handle the non-mapped case inline, defer to out of line code to handle 863402785357ab053dd53f4fdd858b9630a5e0f8badChandler Carruth // expansions. 864de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner if (Loc.isFileID()) return Loc; 865f84ef95ecec34f27fd05eb4e0392ca6bd3bd0be0Chandler Carruth return getExpansionLocSlowCase(Loc); 866de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner } 8671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8682c3c7675b4c01b9d555c47232597a000fbb93c26Matt Beaumont-Gay /// \brief Given \p Loc, if it is a macro location return the expansion 869796dbfb6c43336f58c026137c438e53eadc381f7Argyrios Kyrtzidis /// location or the spelling location, depending on if it comes from a 870796dbfb6c43336f58c026137c438e53eadc381f7Argyrios Kyrtzidis /// macro argument or not. 871796dbfb6c43336f58c026137c438e53eadc381f7Argyrios Kyrtzidis SourceLocation getFileLoc(SourceLocation Loc) const { 872796dbfb6c43336f58c026137c438e53eadc381f7Argyrios Kyrtzidis if (Loc.isFileID()) return Loc; 873796dbfb6c43336f58c026137c438e53eadc381f7Argyrios Kyrtzidis return getFileLocSlowCase(Loc); 874796dbfb6c43336f58c026137c438e53eadc381f7Argyrios Kyrtzidis } 875796dbfb6c43336f58c026137c438e53eadc381f7Argyrios Kyrtzidis 876999f739404edf2078cf9f9c28b4dc45c19765842Chandler Carruth /// getImmediateExpansionRange - Loc is required to be an expansion location. 877999f739404edf2078cf9f9c28b4dc45c19765842Chandler Carruth /// Return the start/end of the expansion information. 878e7fb48466afcbf2c4ccdfa658824282fdc3c512cChris Lattner std::pair<SourceLocation,SourceLocation> 879999f739404edf2078cf9f9c28b4dc45c19765842Chandler Carruth getImmediateExpansionRange(SourceLocation Loc) const; 8801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 881edc3dccece244a584f8ebdb81da6c962c08e79beChandler Carruth /// getExpansionRange - Given a SourceLocation object, return the range of 882edc3dccece244a584f8ebdb81da6c962c08e79beChandler Carruth /// tokens covered by the expansion the ultimate file. 8836678133b8ce642f93e5141f056fa643112041ad0Chris Lattner std::pair<SourceLocation,SourceLocation> 884edc3dccece244a584f8ebdb81da6c962c08e79beChandler Carruth getExpansionRange(SourceLocation Loc) const; 8851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 8861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 887de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner /// getSpellingLoc - Given a SourceLocation object, return the spelling 888de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner /// location referenced by the ID. This is the place where the characters 889de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner /// that make up the lexed token can be found. 890de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner SourceLocation getSpellingLoc(SourceLocation Loc) const { 891addb797ca2b5afc1a1e82fd8d5d6eb2a592e75a9Chris Lattner // Handle the non-mapped case inline, defer to out of line code to handle 8923201f382956ed9beee9fb31229c2835c1208889cChandler Carruth // expansions. 893de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner if (Loc.isFileID()) return Loc; 894addb797ca2b5afc1a1e82fd8d5d6eb2a592e75a9Chris Lattner return getSpellingLocSlowCase(Loc); 895de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner } 8961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 897387616edf98739f4a0dd234c907e2b913e6a535dChris Lattner /// getImmediateSpellingLoc - Given a SourceLocation object, return the 898387616edf98739f4a0dd234c907e2b913e6a535dChris Lattner /// spelling location referenced by the ID. This is the first level down 899387616edf98739f4a0dd234c907e2b913e6a535dChris Lattner /// towards the place where the characters that make up the lexed token can be 900387616edf98739f4a0dd234c907e2b913e6a535dChris Lattner /// found. This should not generally be used by clients. 9011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump SourceLocation getImmediateSpellingLoc(SourceLocation Loc) const; 902de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner 903de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner /// getDecomposedLoc - Decompose the specified location into a raw FileID + 904de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner /// Offset pair. The first element is the FileID, the second is the 905de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner /// offset from the start of the buffer of the location. 906de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner std::pair<FileID, unsigned> getDecomposedLoc(SourceLocation Loc) const { 907de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner FileID FID = getFileID(Loc); 908a246d270156a55999ecfa4099a0967ec4c9a254eArgyrios Kyrtzidis bool Invalid = false; 909a246d270156a55999ecfa4099a0967ec4c9a254eArgyrios Kyrtzidis const SrcMgr::SLocEntry &E = getSLocEntry(FID, &Invalid); 910a246d270156a55999ecfa4099a0967ec4c9a254eArgyrios Kyrtzidis if (Invalid) 911a246d270156a55999ecfa4099a0967ec4c9a254eArgyrios Kyrtzidis return std::make_pair(FileID(), 0); 912a246d270156a55999ecfa4099a0967ec4c9a254eArgyrios Kyrtzidis return std::make_pair(FID, Loc.getOffset()-E.getOffset()); 913de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner } 9141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9153201f382956ed9beee9fb31229c2835c1208889cChandler Carruth /// getDecomposedExpansionLoc - Decompose the specified location into a raw 9163201f382956ed9beee9fb31229c2835c1208889cChandler Carruth /// FileID + Offset pair. If the location is an expansion record, walk 9173201f382956ed9beee9fb31229c2835c1208889cChandler Carruth /// through it until we find the final location expanded. 918de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner std::pair<FileID, unsigned> 919e7b2b6e87dbe5b1207f77b6ff9c210a02f95bb39Chandler Carruth getDecomposedExpansionLoc(SourceLocation Loc) const { 920de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner FileID FID = getFileID(Loc); 921a246d270156a55999ecfa4099a0967ec4c9a254eArgyrios Kyrtzidis bool Invalid = false; 922a246d270156a55999ecfa4099a0967ec4c9a254eArgyrios Kyrtzidis const SrcMgr::SLocEntry *E = &getSLocEntry(FID, &Invalid); 923a246d270156a55999ecfa4099a0967ec4c9a254eArgyrios Kyrtzidis if (Invalid) 924a246d270156a55999ecfa4099a0967ec4c9a254eArgyrios Kyrtzidis return std::make_pair(FileID(), 0); 9251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 926de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner unsigned Offset = Loc.getOffset()-E->getOffset(); 927de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner if (Loc.isFileID()) 928de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner return std::make_pair(FID, Offset); 9291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 930e7b2b6e87dbe5b1207f77b6ff9c210a02f95bb39Chandler Carruth return getDecomposedExpansionLocSlowCase(E); 931de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner } 932de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner 933de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner /// getDecomposedSpellingLoc - Decompose the specified location into a raw 9343201f382956ed9beee9fb31229c2835c1208889cChandler Carruth /// FileID + Offset pair. If the location is an expansion record, walk 935de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner /// through it until we find its spelling record. 936de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner std::pair<FileID, unsigned> 937de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner getDecomposedSpellingLoc(SourceLocation Loc) const { 938de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner FileID FID = getFileID(Loc); 939a246d270156a55999ecfa4099a0967ec4c9a254eArgyrios Kyrtzidis bool Invalid = false; 940a246d270156a55999ecfa4099a0967ec4c9a254eArgyrios Kyrtzidis const SrcMgr::SLocEntry *E = &getSLocEntry(FID, &Invalid); 941a246d270156a55999ecfa4099a0967ec4c9a254eArgyrios Kyrtzidis if (Invalid) 942a246d270156a55999ecfa4099a0967ec4c9a254eArgyrios Kyrtzidis return std::make_pair(FileID(), 0); 9431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 944de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner unsigned Offset = Loc.getOffset()-E->getOffset(); 945de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner if (Loc.isFileID()) 946de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner return std::make_pair(FID, Offset); 947de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner return getDecomposedSpellingLocSlowCase(E, Offset); 9481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 9491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 95052c29081281955d3db9e11d10573b2d38f709099Chris Lattner /// getFileOffset - This method returns the offset from the start 95152c29081281955d3db9e11d10573b2d38f709099Chris Lattner /// of the file that the specified SourceLocation represents. This is not very 95252c29081281955d3db9e11d10573b2d38f709099Chris Lattner /// meaningful for a macro ID. 95352c29081281955d3db9e11d10573b2d38f709099Chris Lattner unsigned getFileOffset(SourceLocation SpellingLoc) const { 954de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner return getDecomposedLoc(SpellingLoc).second; 9555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 9561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 95796d3589e523a04f4ff2058a7919226ce60696ae8Chandler Carruth /// isMacroArgExpansion - This method tests whether the given source location 95896d3589e523a04f4ff2058a7919226ce60696ae8Chandler Carruth /// represents a macro argument's expansion into the function-like macro 95996d3589e523a04f4ff2058a7919226ce60696ae8Chandler Carruth /// definition. Such source locations only appear inside of the expansion 96096d3589e523a04f4ff2058a7919226ce60696ae8Chandler Carruth /// locations representing where a particular function-like macro was 96196d3589e523a04f4ff2058a7919226ce60696ae8Chandler Carruth /// expanded. 96296d3589e523a04f4ff2058a7919226ce60696ae8Chandler Carruth bool isMacroArgExpansion(SourceLocation Loc) const; 9631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9642c3c7675b4c01b9d555c47232597a000fbb93c26Matt Beaumont-Gay /// \brief Returns true if \p Loc is inside the [\p Start, +\p Length) 965499ea5550d6e2fc5cfbd33b47f06d92ce25d7a13Argyrios Kyrtzidis /// chunk of the source location address space. 9662c3c7675b4c01b9d555c47232597a000fbb93c26Matt Beaumont-Gay /// If it's true and \p RelativeOffset is non-null, it will be set to the 9672c3c7675b4c01b9d555c47232597a000fbb93c26Matt Beaumont-Gay /// relative offset of \p Loc inside the chunk. 968499ea5550d6e2fc5cfbd33b47f06d92ce25d7a13Argyrios Kyrtzidis bool isInSLocAddrSpace(SourceLocation Loc, 969499ea5550d6e2fc5cfbd33b47f06d92ce25d7a13Argyrios Kyrtzidis SourceLocation Start, unsigned Length, 970499ea5550d6e2fc5cfbd33b47f06d92ce25d7a13Argyrios Kyrtzidis unsigned *RelativeOffset = 0) const { 971499ea5550d6e2fc5cfbd33b47f06d92ce25d7a13Argyrios Kyrtzidis assert(((Start.getOffset() < NextLocalOffset && 972499ea5550d6e2fc5cfbd33b47f06d92ce25d7a13Argyrios Kyrtzidis Start.getOffset()+Length <= NextLocalOffset) || 973499ea5550d6e2fc5cfbd33b47f06d92ce25d7a13Argyrios Kyrtzidis (Start.getOffset() >= CurrentLoadedOffset && 974499ea5550d6e2fc5cfbd33b47f06d92ce25d7a13Argyrios Kyrtzidis Start.getOffset()+Length < MaxLoadedOffset)) && 975499ea5550d6e2fc5cfbd33b47f06d92ce25d7a13Argyrios Kyrtzidis "Chunk is not valid SLoc address space"); 976499ea5550d6e2fc5cfbd33b47f06d92ce25d7a13Argyrios Kyrtzidis unsigned LocOffs = Loc.getOffset(); 977499ea5550d6e2fc5cfbd33b47f06d92ce25d7a13Argyrios Kyrtzidis unsigned BeginOffs = Start.getOffset(); 978499ea5550d6e2fc5cfbd33b47f06d92ce25d7a13Argyrios Kyrtzidis unsigned EndOffs = BeginOffs + Length; 979499ea5550d6e2fc5cfbd33b47f06d92ce25d7a13Argyrios Kyrtzidis if (LocOffs >= BeginOffs && LocOffs < EndOffs) { 980499ea5550d6e2fc5cfbd33b47f06d92ce25d7a13Argyrios Kyrtzidis if (RelativeOffset) 981499ea5550d6e2fc5cfbd33b47f06d92ce25d7a13Argyrios Kyrtzidis *RelativeOffset = LocOffs - BeginOffs; 982499ea5550d6e2fc5cfbd33b47f06d92ce25d7a13Argyrios Kyrtzidis return true; 983499ea5550d6e2fc5cfbd33b47f06d92ce25d7a13Argyrios Kyrtzidis } 984499ea5550d6e2fc5cfbd33b47f06d92ce25d7a13Argyrios Kyrtzidis 985499ea5550d6e2fc5cfbd33b47f06d92ce25d7a13Argyrios Kyrtzidis return false; 986499ea5550d6e2fc5cfbd33b47f06d92ce25d7a13Argyrios Kyrtzidis } 987499ea5550d6e2fc5cfbd33b47f06d92ce25d7a13Argyrios Kyrtzidis 9882c3c7675b4c01b9d555c47232597a000fbb93c26Matt Beaumont-Gay /// \brief Return true if both \p LHS and \p RHS are in the local source 9892c3c7675b4c01b9d555c47232597a000fbb93c26Matt Beaumont-Gay /// location address space or the loaded one. If it's true and \p 9902c3c7675b4c01b9d555c47232597a000fbb93c26Matt Beaumont-Gay /// RelativeOffset is non-null, it will be set to the offset of \p RHS 9912c3c7675b4c01b9d555c47232597a000fbb93c26Matt Beaumont-Gay /// relative to \p LHS. 992b6c465e17ec37390667223a18a340e8652c212ffArgyrios Kyrtzidis bool isInSameSLocAddrSpace(SourceLocation LHS, SourceLocation RHS, 993b6c465e17ec37390667223a18a340e8652c212ffArgyrios Kyrtzidis int *RelativeOffset) const { 994b6c465e17ec37390667223a18a340e8652c212ffArgyrios Kyrtzidis unsigned LHSOffs = LHS.getOffset(), RHSOffs = RHS.getOffset(); 995b6c465e17ec37390667223a18a340e8652c212ffArgyrios Kyrtzidis bool LHSLoaded = LHSOffs >= CurrentLoadedOffset; 996b6c465e17ec37390667223a18a340e8652c212ffArgyrios Kyrtzidis bool RHSLoaded = RHSOffs >= CurrentLoadedOffset; 997b6c465e17ec37390667223a18a340e8652c212ffArgyrios Kyrtzidis 998b6c465e17ec37390667223a18a340e8652c212ffArgyrios Kyrtzidis if (LHSLoaded == RHSLoaded) { 999b6c465e17ec37390667223a18a340e8652c212ffArgyrios Kyrtzidis if (RelativeOffset) 1000b6c465e17ec37390667223a18a340e8652c212ffArgyrios Kyrtzidis *RelativeOffset = RHSOffs - LHSOffs; 1001b6c465e17ec37390667223a18a340e8652c212ffArgyrios Kyrtzidis return true; 1002b6c465e17ec37390667223a18a340e8652c212ffArgyrios Kyrtzidis } 1003b6c465e17ec37390667223a18a340e8652c212ffArgyrios Kyrtzidis 1004b6c465e17ec37390667223a18a340e8652c212ffArgyrios Kyrtzidis return false; 1005b6c465e17ec37390667223a18a340e8652c212ffArgyrios Kyrtzidis } 1006b6c465e17ec37390667223a18a340e8652c212ffArgyrios Kyrtzidis 1007de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner //===--------------------------------------------------------------------===// 1008de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner // Queries about the code at a SourceLocation. 1009de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner //===--------------------------------------------------------------------===// 10101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getCharacterData - Return a pointer to the start of the specified location 1012de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner /// in the appropriate spelling MemoryBuffer. 101350f6af7a6d6951a63f3da7d4c5a7d3965bf73b63Douglas Gregor /// 101450f6af7a6d6951a63f3da7d4c5a7d3965bf73b63Douglas Gregor /// \param Invalid If non-NULL, will be set \c true if an error occurs. 101550f6af7a6d6951a63f3da7d4c5a7d3965bf73b63Douglas Gregor const char *getCharacterData(SourceLocation SL, bool *Invalid = 0) const; 10161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10179dc1f530c086d2c16f8cba758b0f59a5bf41323aChris Lattner /// getColumnNumber - Return the column # for the specified file position. 10189dc1f530c086d2c16f8cba758b0f59a5bf41323aChris Lattner /// This is significantly cheaper to compute than the line number. This 10193201f382956ed9beee9fb31229c2835c1208889cChandler Carruth /// returns zero if the column number isn't known. This may only be called 10203201f382956ed9beee9fb31229c2835c1208889cChandler Carruth /// on a file sloc, so you must choose a spelling or expansion location 1021f7cf85b330bedd2877e1371fb0a83e99751ae162Chris Lattner /// before calling this method. 10225330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher unsigned getColumnNumber(FileID FID, unsigned FilePos, 102350f6af7a6d6951a63f3da7d4c5a7d3965bf73b63Douglas Gregor bool *Invalid = 0) const; 10245ef04ee40c3332d31b6d1439f50d0ddb45812929Chandler Carruth unsigned getSpellingColumnNumber(SourceLocation Loc, bool *Invalid = 0) const; 1025a77c031cb66f75d22672070052cc6e0205289ff8Chandler Carruth unsigned getExpansionColumnNumber(SourceLocation Loc, 1026b49dcd249c7f4f034493741f95394987a4ccf244Chandler Carruth bool *Invalid = 0) const; 10275ef04ee40c3332d31b6d1439f50d0ddb45812929Chandler Carruth unsigned getPresumedColumnNumber(SourceLocation Loc, bool *Invalid = 0) const; 10281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1030df7c17a8d02fe09a3466786bae3e40fc3252687aChris Lattner /// getLineNumber - Given a SourceLocation, return the spelling line number 10315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// for the position indicated. This requires building and caching a table of 10325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// line offsets for the MemoryBuffer, so this is not cheap: use only when 10335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// about to emit a diagnostic. 103450f6af7a6d6951a63f3da7d4c5a7d3965bf73b63Douglas Gregor unsigned getLineNumber(FileID FID, unsigned FilePos, bool *Invalid = 0) const; 10355ef04ee40c3332d31b6d1439f50d0ddb45812929Chandler Carruth unsigned getSpellingLineNumber(SourceLocation Loc, bool *Invalid = 0) const; 1036642116259e8df6286063a17361c20e95b5017a0aChandler Carruth unsigned getExpansionLineNumber(SourceLocation Loc, bool *Invalid = 0) const; 10375ef04ee40c3332d31b6d1439f50d0ddb45812929Chandler Carruth unsigned getPresumedLineNumber(SourceLocation Loc, bool *Invalid = 0) const; 10381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1039bff5c512af8ca7ac92e974e04c06ff4f820e4ee1Chris Lattner /// Return the filename or buffer identifier of the buffer the location is in. 1040bff5c512af8ca7ac92e974e04c06ff4f820e4ee1Chris Lattner /// Note that this name does not respect #line directives. Use getPresumedLoc 1041bff5c512af8ca7ac92e974e04c06ff4f820e4ee1Chris Lattner /// for normal clients. 104250f6af7a6d6951a63f3da7d4c5a7d3965bf73b63Douglas Gregor const char *getBufferName(SourceLocation Loc, bool *Invalid = 0) const; 10431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10446b3066780bda02e3117d71a18ca2f430ed1454afChris Lattner /// getFileCharacteristic - return the file characteristic of the specified 10451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// source location, indicating whether this is a normal file, a system 10466b3066780bda02e3117d71a18ca2f430ed1454afChris Lattner /// header, or an "implicit extern C" system header. 10476b3066780bda02e3117d71a18ca2f430ed1454afChris Lattner /// 10486b3066780bda02e3117d71a18ca2f430ed1454afChris Lattner /// This state can be modified with flags on GNU linemarker directives like: 10496b3066780bda02e3117d71a18ca2f430ed1454afChris Lattner /// # 4 "foo.h" 3 10506b3066780bda02e3117d71a18ca2f430ed1454afChris Lattner /// which changes all source locations in the current file after that to be 10516b3066780bda02e3117d71a18ca2f430ed1454afChris Lattner /// considered to be from a system header. 10526b3066780bda02e3117d71a18ca2f430ed1454afChris Lattner SrcMgr::CharacteristicKind getFileCharacteristic(SourceLocation Loc) const; 10531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1054b9c3f966b103f7cfe8e5e60007c4c8b38f7298ebChris Lattner /// getPresumedLoc - This method returns the "presumed" location of a 1055b9c3f966b103f7cfe8e5e60007c4c8b38f7298ebChris Lattner /// SourceLocation specifies. A "presumed location" can be modified by #line 1056b9c3f966b103f7cfe8e5e60007c4c8b38f7298ebChris Lattner /// or GNU line marker directives. This provides a view on the data that a 1057b9c3f966b103f7cfe8e5e60007c4c8b38f7298ebChris Lattner /// user should see in diagnostics, for example. 1058b9c3f966b103f7cfe8e5e60007c4c8b38f7298ebChris Lattner /// 10593201f382956ed9beee9fb31229c2835c1208889cChandler Carruth /// Note that a presumed location is always given as the expansion point of 10603201f382956ed9beee9fb31229c2835c1208889cChandler Carruth /// an expansion location, not at the spelling location. 1061cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor /// 1062cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor /// \returns The presumed location of the specified SourceLocation. If the 1063cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor /// presumed location cannot be calculate (e.g., because \p Loc is invalid 1064cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor /// or the file containing \p Loc has changed on disk), returns an invalid 1065cb7b1e17b63967317ab5cc55682168cf0380519aDouglas Gregor /// presumed location. 1066b9c3f966b103f7cfe8e5e60007c4c8b38f7298ebChris Lattner PresumedLoc getPresumedLoc(SourceLocation Loc) const; 10671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10689fd87b1db485e2f31d0e5687f9168b370d546847Ted Kremenek /// isFromSameFile - Returns true if both SourceLocations correspond to 10699fd87b1db485e2f31d0e5687f9168b370d546847Ted Kremenek /// the same file. 10709fd87b1db485e2f31d0e5687f9168b370d546847Ted Kremenek bool isFromSameFile(SourceLocation Loc1, SourceLocation Loc2) const { 1071a11d61793341fea195c29a0dab3fbd74f2b39a8cChris Lattner return getFileID(Loc1) == getFileID(Loc2); 10729fd87b1db485e2f31d0e5687f9168b370d546847Ted Kremenek } 10731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10749fd87b1db485e2f31d0e5687f9168b370d546847Ted Kremenek /// isFromMainFile - Returns true if the file of provided SourceLocation is 10759fd87b1db485e2f31d0e5687f9168b370d546847Ted Kremenek /// the main file. 10769fd87b1db485e2f31d0e5687f9168b370d546847Ted Kremenek bool isFromMainFile(SourceLocation Loc) const { 1077a11d61793341fea195c29a0dab3fbd74f2b39a8cChris Lattner return getFileID(Loc) == getMainFileID(); 10781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 10791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10807bfaaaecb3113f955db31e8d8a51acffd1bc0c27Nico Weber /// isInSystemHeader - Returns if a SourceLocation is in a system header. 10817bfaaaecb3113f955db31e8d8a51acffd1bc0c27Nico Weber bool isInSystemHeader(SourceLocation Loc) const { 10820b9e736308af5397f558ffc8e780c438c2fdb563Chris Lattner return getFileCharacteristic(Loc) != SrcMgr::C_User; 1083721818304ac462d8c6ce05eecd02884033db78f1Chris Lattner } 10841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10850d456588acac0713a7c33063922d35a8cc8c658eChris Lattner /// isInExternCSystemHeader - Returns if a SourceLocation is in an "extern C" 10860d456588acac0713a7c33063922d35a8cc8c658eChris Lattner /// system header. 10870d456588acac0713a7c33063922d35a8cc8c658eChris Lattner bool isInExternCSystemHeader(SourceLocation Loc) const { 10880d456588acac0713a7c33063922d35a8cc8c658eChris Lattner return getFileCharacteristic(Loc) == SrcMgr::C_ExternCSystem; 10890d456588acac0713a7c33063922d35a8cc8c658eChris Lattner } 10901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1091d87a0cd2b3e1c9e9f01212875f4cbe5b7bb7ab57Matt Beaumont-Gay /// \brief Returns whether \p Loc is expanded from a macro in a system header. 1092d87a0cd2b3e1c9e9f01212875f4cbe5b7bb7ab57Matt Beaumont-Gay bool isInSystemMacro(SourceLocation loc) { 1093d87a0cd2b3e1c9e9f01212875f4cbe5b7bb7ab57Matt Beaumont-Gay return loc.isMacroID() && isInSystemHeader(getSpellingLoc(loc)); 1094d87a0cd2b3e1c9e9f01212875f4cbe5b7bb7ab57Matt Beaumont-Gay } 1095d87a0cd2b3e1c9e9f01212875f4cbe5b7bb7ab57Matt Beaumont-Gay 10962c3c7675b4c01b9d555c47232597a000fbb93c26Matt Beaumont-Gay /// \brief The size of the SLocEnty that \p FID represents. 1097984e42ca1ff7775ce39372c314f1cb7d6862c4c7Argyrios Kyrtzidis unsigned getFileIDSize(FileID FID) const; 109854232ade44d31e98ea83f43ca066128e315dcbdaArgyrios Kyrtzidis 10992c3c7675b4c01b9d555c47232597a000fbb93c26Matt Beaumont-Gay /// \brief Given a specific FileID, returns true if \p Loc is inside that 11002c3c7675b4c01b9d555c47232597a000fbb93c26Matt Beaumont-Gay /// FileID chunk and sets relative offset (offset of \p Loc from beginning 11012c3c7675b4c01b9d555c47232597a000fbb93c26Matt Beaumont-Gay /// of FileID) to \p relativeOffset. 1102d60a34a4e514ec0dfddd05ef2744be104e111f45Argyrios Kyrtzidis bool isInFileID(SourceLocation Loc, FileID FID, 1103d60a34a4e514ec0dfddd05ef2744be104e111f45Argyrios Kyrtzidis unsigned *RelativeOffset = 0) const { 1104d7cb46c316808169679a8d72c69f02a1e55d78a8Argyrios Kyrtzidis unsigned Offs = Loc.getOffset(); 1105d7cb46c316808169679a8d72c69f02a1e55d78a8Argyrios Kyrtzidis if (isOffsetInFileID(FID, Offs)) { 1106d7cb46c316808169679a8d72c69f02a1e55d78a8Argyrios Kyrtzidis if (RelativeOffset) 1107d7cb46c316808169679a8d72c69f02a1e55d78a8Argyrios Kyrtzidis *RelativeOffset = Offs - getSLocEntry(FID).getOffset(); 1108d7cb46c316808169679a8d72c69f02a1e55d78a8Argyrios Kyrtzidis return true; 1109d7cb46c316808169679a8d72c69f02a1e55d78a8Argyrios Kyrtzidis } 1110d60a34a4e514ec0dfddd05ef2744be104e111f45Argyrios Kyrtzidis 1111d7cb46c316808169679a8d72c69f02a1e55d78a8Argyrios Kyrtzidis return false; 1112d7cb46c316808169679a8d72c69f02a1e55d78a8Argyrios Kyrtzidis } 1113469244a322dd5d35cee1d02d70a2edbc12ac5ce7Argyrios Kyrtzidis 111406a062dc784c609b75dca15fd97f468d0d846596Chris Lattner //===--------------------------------------------------------------------===// 11155b9a504720fb52594ca3686e10eb6c0cfa2e7d62Chris Lattner // Line Table Manipulation Routines 11165b9a504720fb52594ca3686e10eb6c0cfa2e7d62Chris Lattner //===--------------------------------------------------------------------===// 11171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11185b9a504720fb52594ca3686e10eb6c0cfa2e7d62Chris Lattner /// getLineTableFilenameID - Return the uniqued ID for the specified filename. 11191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /// 1120686775deca8b8685eb90801495880e3abdd844c2Chris Lattner unsigned getLineTableFilenameID(StringRef Str); 11211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11224c4ea17d7f991516c37a871dfa4bbe5723fa85f0Chris Lattner /// AddLineNote - Add a line note to the line table for the FileID and offset 11234c4ea17d7f991516c37a871dfa4bbe5723fa85f0Chris Lattner /// specified by Loc. If FilenameID is -1, it is considered to be 11244c4ea17d7f991516c37a871dfa4bbe5723fa85f0Chris Lattner /// unspecified. 11254c4ea17d7f991516c37a871dfa4bbe5723fa85f0Chris Lattner void AddLineNote(SourceLocation Loc, unsigned LineNo, int FilenameID); 11269d79ebac47ffde6a1cb312f4c09b66b1b9a397fbChris Lattner void AddLineNote(SourceLocation Loc, unsigned LineNo, int FilenameID, 11271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump bool IsFileEntry, bool IsFileExit, 11289d79ebac47ffde6a1cb312f4c09b66b1b9a397fbChris Lattner bool IsSystemHeader, bool IsExternCHeader); 1129bd94500d3aa60092fb0f1e90f53fb0d03fa502a8Douglas Gregor 1130bd94500d3aa60092fb0f1e90f53fb0d03fa502a8Douglas Gregor /// \brief Determine if the source manager has a line table. 1131bd94500d3aa60092fb0f1e90f53fb0d03fa502a8Douglas Gregor bool hasLineTable() const { return LineTable != 0; } 1132bd94500d3aa60092fb0f1e90f53fb0d03fa502a8Douglas Gregor 1133bd94500d3aa60092fb0f1e90f53fb0d03fa502a8Douglas Gregor /// \brief Retrieve the stored line table. 1134bd94500d3aa60092fb0f1e90f53fb0d03fa502a8Douglas Gregor LineTableInfo &getLineTable(); 1135bd94500d3aa60092fb0f1e90f53fb0d03fa502a8Douglas Gregor 11365b9a504720fb52594ca3686e10eb6c0cfa2e7d62Chris Lattner //===--------------------------------------------------------------------===// 1137457aaf0692dfb2d9638f383334b81027f637f20cTed Kremenek // Queries for performance analysis. 1138457aaf0692dfb2d9638f383334b81027f637f20cTed Kremenek //===--------------------------------------------------------------------===// 1139457aaf0692dfb2d9638f383334b81027f637f20cTed Kremenek 1140457aaf0692dfb2d9638f383334b81027f637f20cTed Kremenek /// Return the total amount of physical memory allocated by the 1141457aaf0692dfb2d9638f383334b81027f637f20cTed Kremenek /// ContentCache allocator. 1142457aaf0692dfb2d9638f383334b81027f637f20cTed Kremenek size_t getContentCacheSize() const { 1143457aaf0692dfb2d9638f383334b81027f637f20cTed Kremenek return ContentCacheAlloc.getTotalMemory(); 1144457aaf0692dfb2d9638f383334b81027f637f20cTed Kremenek } 11455330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 1146f61b831d7f6a15676b07647f507de80324cb7056Ted Kremenek struct MemoryBufferSizes { 1147f61b831d7f6a15676b07647f507de80324cb7056Ted Kremenek const size_t malloc_bytes; 1148f61b831d7f6a15676b07647f507de80324cb7056Ted Kremenek const size_t mmap_bytes; 11495330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 1150f61b831d7f6a15676b07647f507de80324cb7056Ted Kremenek MemoryBufferSizes(size_t malloc_bytes, size_t mmap_bytes) 1151f61b831d7f6a15676b07647f507de80324cb7056Ted Kremenek : malloc_bytes(malloc_bytes), mmap_bytes(mmap_bytes) {} 1152f61b831d7f6a15676b07647f507de80324cb7056Ted Kremenek }; 1153f61b831d7f6a15676b07647f507de80324cb7056Ted Kremenek 1154f61b831d7f6a15676b07647f507de80324cb7056Ted Kremenek /// Return the amount of memory used by memory buffers, breaking down 1155f61b831d7f6a15676b07647f507de80324cb7056Ted Kremenek /// by heap-backed versus mmap'ed memory. 1156f61b831d7f6a15676b07647f507de80324cb7056Ted Kremenek MemoryBufferSizes getMemoryBufferSizes() const; 11575330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 1158ca7dc2b755eb81ac95121ce1a1f1aa44a4a0fe12Ted Kremenek // Return the amount of memory used for various side tables and 1159ca7dc2b755eb81ac95121ce1a1f1aa44a4a0fe12Ted Kremenek // data structures in the SourceManager. 1160ca7dc2b755eb81ac95121ce1a1f1aa44a4a0fe12Ted Kremenek size_t getDataStructureSizes() const; 1161457aaf0692dfb2d9638f383334b81027f637f20cTed Kremenek 1162457aaf0692dfb2d9638f383334b81027f637f20cTed Kremenek //===--------------------------------------------------------------------===// 116306a062dc784c609b75dca15fd97f468d0d846596Chris Lattner // Other miscellaneous methods. 116406a062dc784c609b75dca15fd97f468d0d846596Chris Lattner //===--------------------------------------------------------------------===// 116510b46d2f0b976676d10681d73fe061b5ae409b36Argyrios Kyrtzidis 116610b46d2f0b976676d10681d73fe061b5ae409b36Argyrios Kyrtzidis /// \brief Get the source location for the given file:line:col triplet. 116710b46d2f0b976676d10681d73fe061b5ae409b36Argyrios Kyrtzidis /// 116810b46d2f0b976676d10681d73fe061b5ae409b36Argyrios Kyrtzidis /// If the source file is included multiple times, the source location will 116910b46d2f0b976676d10681d73fe061b5ae409b36Argyrios Kyrtzidis /// be based upon the first inclusion. 1170ac836e442cbd17f33533bd0b4879258945bc1723Argyrios Kyrtzidis SourceLocation translateFileLineCol(const FileEntry *SourceFile, 1171507097ec40105ed927cb5a744fad98f5875aacacArgyrios Kyrtzidis unsigned Line, unsigned Col) const; 1172ac836e442cbd17f33533bd0b4879258945bc1723Argyrios Kyrtzidis 1173b201e16e0c331b0bdeae7b30f9f79aae32beb1b2Argyrios Kyrtzidis /// \brief Get the FileID for the given file. 1174b201e16e0c331b0bdeae7b30f9f79aae32beb1b2Argyrios Kyrtzidis /// 1175b201e16e0c331b0bdeae7b30f9f79aae32beb1b2Argyrios Kyrtzidis /// If the source file is included multiple times, the FileID will be the 1176b201e16e0c331b0bdeae7b30f9f79aae32beb1b2Argyrios Kyrtzidis /// first inclusion. 1177b201e16e0c331b0bdeae7b30f9f79aae32beb1b2Argyrios Kyrtzidis FileID translateFile(const FileEntry *SourceFile) const; 1178b201e16e0c331b0bdeae7b30f9f79aae32beb1b2Argyrios Kyrtzidis 11792c3c7675b4c01b9d555c47232597a000fbb93c26Matt Beaumont-Gay /// \brief Get the source location in \p FID for the given line:col. 11802c3c7675b4c01b9d555c47232597a000fbb93c26Matt Beaumont-Gay /// Returns null location if \p FID is not a file SLocEntry. 1181507097ec40105ed927cb5a744fad98f5875aacacArgyrios Kyrtzidis SourceLocation translateLineCol(FileID FID, 1182507097ec40105ed927cb5a744fad98f5875aacacArgyrios Kyrtzidis unsigned Line, unsigned Col) const; 1183efa2ff8603dae51f5f5ed7509a503f477498ad22Argyrios Kyrtzidis 11842c3c7675b4c01b9d555c47232597a000fbb93c26Matt Beaumont-Gay /// \brief If \p Loc points inside a function macro argument, the returned 1185ac836e442cbd17f33533bd0b4879258945bc1723Argyrios Kyrtzidis /// location will be the macro location in which the argument was expanded. 1186ac836e442cbd17f33533bd0b4879258945bc1723Argyrios Kyrtzidis /// If a macro argument is used multiple times, the expanded location will 1187ac836e442cbd17f33533bd0b4879258945bc1723Argyrios Kyrtzidis /// be at the first expansion of the argument. 1188ac836e442cbd17f33533bd0b4879258945bc1723Argyrios Kyrtzidis /// e.g. 1189ac836e442cbd17f33533bd0b4879258945bc1723Argyrios Kyrtzidis /// MY_MACRO(foo); 1190ac836e442cbd17f33533bd0b4879258945bc1723Argyrios Kyrtzidis /// ^ 1191ac836e442cbd17f33533bd0b4879258945bc1723Argyrios Kyrtzidis /// Passing a file location pointing at 'foo', will yield a macro location 1192ac836e442cbd17f33533bd0b4879258945bc1723Argyrios Kyrtzidis /// where 'foo' was expanded into. 1193507097ec40105ed927cb5a744fad98f5875aacacArgyrios Kyrtzidis SourceLocation getMacroArgExpandedLocation(SourceLocation Loc) const; 11941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11952aa03d588bd2d3c73deb662880c2244bf2e384b9Argyrios Kyrtzidis /// \brief Determines the order of 2 source locations in the translation unit. 11962aa03d588bd2d3c73deb662880c2244bf2e384b9Argyrios Kyrtzidis /// 11972aa03d588bd2d3c73deb662880c2244bf2e384b9Argyrios Kyrtzidis /// \returns true if LHS source location comes before RHS, false otherwise. 11982aa03d588bd2d3c73deb662880c2244bf2e384b9Argyrios Kyrtzidis bool isBeforeInTranslationUnit(SourceLocation LHS, SourceLocation RHS) const; 11992aa03d588bd2d3c73deb662880c2244bf2e384b9Argyrios Kyrtzidis 1200aec230d29835285777ecc467e268c83b33a2addeArgyrios Kyrtzidis /// \brief Comparison function class. 1201aec230d29835285777ecc467e268c83b33a2addeArgyrios Kyrtzidis class LocBeforeThanCompare : public std::binary_function<SourceLocation, 1202aec230d29835285777ecc467e268c83b33a2addeArgyrios Kyrtzidis SourceLocation, bool> { 1203aec230d29835285777ecc467e268c83b33a2addeArgyrios Kyrtzidis SourceManager &SM; 1204aec230d29835285777ecc467e268c83b33a2addeArgyrios Kyrtzidis 1205aec230d29835285777ecc467e268c83b33a2addeArgyrios Kyrtzidis public: 1206aec230d29835285777ecc467e268c83b33a2addeArgyrios Kyrtzidis explicit LocBeforeThanCompare(SourceManager &SM) : SM(SM) { } 1207aec230d29835285777ecc467e268c83b33a2addeArgyrios Kyrtzidis 1208aec230d29835285777ecc467e268c83b33a2addeArgyrios Kyrtzidis bool operator()(SourceLocation LHS, SourceLocation RHS) const { 1209aec230d29835285777ecc467e268c83b33a2addeArgyrios Kyrtzidis return SM.isBeforeInTranslationUnit(LHS, RHS); 1210aec230d29835285777ecc467e268c83b33a2addeArgyrios Kyrtzidis } 1211aec230d29835285777ecc467e268c83b33a2addeArgyrios Kyrtzidis }; 1212aec230d29835285777ecc467e268c83b33a2addeArgyrios Kyrtzidis 1213b73377eeb3eff76be134203aebb6068244b177f3Argyrios Kyrtzidis /// \brief Determines the order of 2 source locations in the "source location 1214b73377eeb3eff76be134203aebb6068244b177f3Argyrios Kyrtzidis /// address space". 12155d579e7b0463a2e65328df85e4fed8e07799fd9eArgyrios Kyrtzidis bool isBeforeInSLocAddrSpace(SourceLocation LHS, SourceLocation RHS) const { 12165d579e7b0463a2e65328df85e4fed8e07799fd9eArgyrios Kyrtzidis return isBeforeInSLocAddrSpace(LHS, RHS.getOffset()); 1217b73377eeb3eff76be134203aebb6068244b177f3Argyrios Kyrtzidis } 1218b73377eeb3eff76be134203aebb6068244b177f3Argyrios Kyrtzidis 1219b73377eeb3eff76be134203aebb6068244b177f3Argyrios Kyrtzidis /// \brief Determines the order of a source location and a source location 1220b73377eeb3eff76be134203aebb6068244b177f3Argyrios Kyrtzidis /// offset in the "source location address space". 1221f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// 12225330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher /// Note that we always consider source locations loaded from 12235d579e7b0463a2e65328df85e4fed8e07799fd9eArgyrios Kyrtzidis bool isBeforeInSLocAddrSpace(SourceLocation LHS, unsigned RHS) const { 1224f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor unsigned LHSOffset = LHS.getOffset(); 1225f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor bool LHSLoaded = LHSOffset >= CurrentLoadedOffset; 1226f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor bool RHSLoaded = RHS >= CurrentLoadedOffset; 1227f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor if (LHSLoaded == RHSLoaded) 12285d579e7b0463a2e65328df85e4fed8e07799fd9eArgyrios Kyrtzidis return LHSOffset < RHS; 12295330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 1230f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor return LHSLoaded; 1231b73377eeb3eff76be134203aebb6068244b177f3Argyrios Kyrtzidis } 1232b73377eeb3eff76be134203aebb6068244b177f3Argyrios Kyrtzidis 1233c6fe32a91c7372caf09152ee31a24c4b5d24deedChris Lattner // Iterators over FileInfos. 12340d0bf8cf58b35302312cc155287fde3e81eb25a7Chris Lattner typedef llvm::DenseMap<const FileEntry*, SrcMgr::ContentCache*> 12350d0bf8cf58b35302312cc155287fde3e81eb25a7Chris Lattner ::const_iterator fileinfo_iterator; 1236c6fe32a91c7372caf09152ee31a24c4b5d24deedChris Lattner fileinfo_iterator fileinfo_begin() const { return FileInfos.begin(); } 1237c6fe32a91c7372caf09152ee31a24c4b5d24deedChris Lattner fileinfo_iterator fileinfo_end() const { return FileInfos.end(); } 1238d93256e55673a17d18543397ec462416acb13792Douglas Gregor bool hasFileInfo(const FileEntry *File) const { 1239d93256e55673a17d18543397ec462416acb13792Douglas Gregor return FileInfos.find(File) != FileInfos.end(); 1240d93256e55673a17d18543397ec462416acb13792Douglas Gregor } 1241c6fe32a91c7372caf09152ee31a24c4b5d24deedChris Lattner 12425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// PrintStats - Print statistics to stderr. 12435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 12445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void PrintStats() const; 124578d85f53b093867bbb0123f016956178eea7343eTed Kremenek 1246f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// \brief Get the number of local SLocEntries we have. 1247f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor unsigned local_sloc_entry_size() const { return LocalSLocEntryTable.size(); } 12485330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 1249f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// \brief Get a local SLocEntry. This is exposed for indexing. 12505330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher const SrcMgr::SLocEntry &getLocalSLocEntry(unsigned Index, 1251f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor bool *Invalid = 0) const { 1252f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor assert(Index < LocalSLocEntryTable.size() && "Invalid index"); 1253f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor return LocalSLocEntryTable[Index]; 1254bdfe48ac80573e026595af91e541474dbf02565fDouglas Gregor } 12555330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 1256f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// \brief Get the number of loaded SLocEntries we have. 1257f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor unsigned loaded_sloc_entry_size() const { return LoadedSLocEntryTable.size();} 12585330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 1259f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// \brief Get a loaded SLocEntry. This is exposed for indexing. 126070042f5d1ca378138f90b7b9384023701f5d03d8David Blaikie const SrcMgr::SLocEntry &getLoadedSLocEntry(unsigned Index, 126170042f5d1ca378138f90b7b9384023701f5d03d8David Blaikie bool *Invalid = 0) const { 1262f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor assert(Index < LoadedSLocEntryTable.size() && "Invalid index"); 1263f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor if (!SLocEntryLoaded[Index]) 1264f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor ExternalSLocEntries->ReadSLocEntry(-(static_cast<int>(Index) + 2)); 1265f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor return LoadedSLocEntryTable[Index]; 1266f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor } 12675330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 1268e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor const SrcMgr::SLocEntry &getSLocEntry(FileID FID, bool *Invalid = 0) const { 1269c705d2520a51de1dc38d36efada8e9bc2d8b0d1fArgyrios Kyrtzidis if (FID.ID == 0 || FID.ID == -1) { 1270c705d2520a51de1dc38d36efada8e9bc2d8b0d1fArgyrios Kyrtzidis if (Invalid) *Invalid = true; 1271c705d2520a51de1dc38d36efada8e9bc2d8b0d1fArgyrios Kyrtzidis return LocalSLocEntryTable[0]; 1272c705d2520a51de1dc38d36efada8e9bc2d8b0d1fArgyrios Kyrtzidis } 1273f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor return getSLocEntryByID(FID.ID); 1274bd94500d3aa60092fb0f1e90f53fb0d03fa502a8Douglas Gregor } 1275bd94500d3aa60092fb0f1e90f53fb0d03fa502a8Douglas Gregor 1276f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor unsigned getNextLocalOffset() const { return NextLocalOffset; } 12775330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 1278f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor void setExternalSLocEntrySource(ExternalSLocEntrySource *Source) { 1279f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor assert(LoadedSLocEntryTable.empty() && 1280f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor "Invalidating existing loaded entries"); 1281f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor ExternalSLocEntries = Source; 1282f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor } 12835330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 1284f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// \brief Allocate a number of loaded SLocEntries, which will be actually 1285f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// loaded on demand from the external source. 1286f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// 1287f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// NumSLocEntries will be allocated, which occupy a total of TotalSize space 1288f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// in the global source view. The lowest ID and the base offset of the 1289f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// entries will be returned. 1290f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor std::pair<int, unsigned> 1291f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor AllocateLoadedSLocEntries(unsigned NumSLocEntries, unsigned TotalSize); 12925330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 12932c3c7675b4c01b9d555c47232597a000fbb93c26Matt Beaumont-Gay /// \brief Returns true if \p Loc came from a PCH/Module. 1294aa6edaeb35e02a07bd4840c0159900754f083ce5Argyrios Kyrtzidis bool isLoadedSourceLocation(SourceLocation Loc) const { 1295aa6edaeb35e02a07bd4840c0159900754f083ce5Argyrios Kyrtzidis return Loc.getOffset() >= CurrentLoadedOffset; 1296aa6edaeb35e02a07bd4840c0159900754f083ce5Argyrios Kyrtzidis } 1297aa6edaeb35e02a07bd4840c0159900754f083ce5Argyrios Kyrtzidis 12982c3c7675b4c01b9d555c47232597a000fbb93c26Matt Beaumont-Gay /// \brief Returns true if \p Loc did not come from a PCH/Module. 1299aa6edaeb35e02a07bd4840c0159900754f083ce5Argyrios Kyrtzidis bool isLocalSourceLocation(SourceLocation Loc) const { 1300aa6edaeb35e02a07bd4840c0159900754f083ce5Argyrios Kyrtzidis return Loc.getOffset() < NextLocalOffset; 1301aa6edaeb35e02a07bd4840c0159900754f083ce5Argyrios Kyrtzidis } 1302aa6edaeb35e02a07bd4840c0159900754f083ce5Argyrios Kyrtzidis 13032c3c7675b4c01b9d555c47232597a000fbb93c26Matt Beaumont-Gay /// \brief Returns true if \p FID came from a PCH/Module. 1304718699169a7ccaf623e375031789efeed82f869bArgyrios Kyrtzidis bool isLoadedFileID(FileID FID) const { 1305718699169a7ccaf623e375031789efeed82f869bArgyrios Kyrtzidis assert(FID.ID != -1 && "Using FileID sentinel value"); 1306718699169a7ccaf623e375031789efeed82f869bArgyrios Kyrtzidis return FID.ID < 0; 1307718699169a7ccaf623e375031789efeed82f869bArgyrios Kyrtzidis } 1308718699169a7ccaf623e375031789efeed82f869bArgyrios Kyrtzidis 13092c3c7675b4c01b9d555c47232597a000fbb93c26Matt Beaumont-Gay /// \brief Returns true if \p FID did not come from a PCH/Module. 1310718699169a7ccaf623e375031789efeed82f869bArgyrios Kyrtzidis bool isLocalFileID(FileID FID) const { 1311718699169a7ccaf623e375031789efeed82f869bArgyrios Kyrtzidis return !isLoadedFileID(FID); 1312718699169a7ccaf623e375031789efeed82f869bArgyrios Kyrtzidis } 1313718699169a7ccaf623e375031789efeed82f869bArgyrios Kyrtzidis 13145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerprivate: 1315e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor const llvm::MemoryBuffer *getFakeBufferForRecovery() const; 1316e23ac65af568ffe611b0990818ac3a57c856a4d8Douglas Gregor 1317f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor /// \brief Get the entry with the given unwrapped FileID. 1318f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor const SrcMgr::SLocEntry &getSLocEntryByID(int ID) const { 1319f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor assert(ID != -1 && "Using FileID sentinel value"); 1320f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor if (ID < 0) 1321f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor return getLoadedSLocEntryByID(ID); 1322f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor return getLocalSLocEntry(static_cast<unsigned>(ID)); 1323f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor } 13245330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 1325f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor const SrcMgr::SLocEntry &getLoadedSLocEntryByID(int ID) const { 1326f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor return getLoadedSLocEntry(static_cast<unsigned>(-ID - 2)); 1327f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor } 13285330ee071743b8a896aa46979b020e6c3ca9b1ccEric Christopher 1329bf340e452339e374ea6eef78c1f0a2abdd16c5a3Chandler Carruth /// createExpansionLoc - Implements the common elements of storing an 13303201f382956ed9beee9fb31229c2835c1208889cChandler Carruth /// expansion info struct into the SLocEntry table and producing a source 1331c8d1ecca1cd3fadbd331d15c420755aa6184554bChandler Carruth /// location that refers to it. 133278df836808aee22c3157e1bc23bc4ec569b80568Chandler Carruth SourceLocation createExpansionLocImpl(const SrcMgr::ExpansionInfo &Expansion, 1333bf340e452339e374ea6eef78c1f0a2abdd16c5a3Chandler Carruth unsigned TokLength, 1334bf340e452339e374ea6eef78c1f0a2abdd16c5a3Chandler Carruth int LoadedID = 0, 1335bf340e452339e374ea6eef78c1f0a2abdd16c5a3Chandler Carruth unsigned LoadedOffset = 0); 1336c8d1ecca1cd3fadbd331d15c420755aa6184554bChandler Carruth 1337de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner /// isOffsetInFileID - Return true if the specified FileID contains the 1338de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner /// specified SourceLocation offset. This is a very hot method. 1339de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner inline bool isOffsetInFileID(FileID FID, unsigned SLocOffset) const { 1340de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner const SrcMgr::SLocEntry &Entry = getSLocEntry(FID); 1341de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner // If the entry is after the offset, it can't contain it. 1342de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner if (SLocOffset < Entry.getOffset()) return false; 13431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1344f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor // If this is the very last entry then it does. 1345f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor if (FID.ID == -2) 1346f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor return true; 1347f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor 1348f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor // If it is the last local entry, then it does if the location is local. 1349f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor if (static_cast<unsigned>(FID.ID+1) == LocalSLocEntryTable.size()) { 1350f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor return SLocOffset < NextLocalOffset; 1351f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor } 13527f94b0b0c6791013d2f72ced9b4bedd3b23673a6Douglas Gregor 1353f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor // Otherwise, the entry after it has to not include it. This works for both 1354f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor // local and loaded entries. 13557f94b0b0c6791013d2f72ced9b4bedd3b23673a6Douglas Gregor return SLocOffset < getSLocEntry(FileID::get(FID.ID+1)).getOffset(); 1356de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner } 13571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 135878d85f53b093867bbb0123f016956178eea7343eTed Kremenek /// createFileID - Create a new fileID for the specified ContentCache and 135978d85f53b093867bbb0123f016956178eea7343eTed Kremenek /// include position. This works regardless of whether the ContentCache 136078d85f53b093867bbb0123f016956178eea7343eTed Kremenek /// corresponds to a file or some other input source. 13612b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner FileID createFileID(const SrcMgr::ContentCache* File, 13622b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner SourceLocation IncludePos, 13637f94b0b0c6791013d2f72ced9b4bedd3b23673a6Douglas Gregor SrcMgr::CharacteristicKind DirCharacter, 1364f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor int LoadedID, unsigned LoadedOffset); 13651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1366de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner const SrcMgr::ContentCache * 1367de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner getOrCreateContentCache(const FileEntry *SourceFile); 1368c16c208e8519476d838ad11fffc8e0ecea50550dTed Kremenek 136978d85f53b093867bbb0123f016956178eea7343eTed Kremenek /// createMemBufferContentCache - Create a new ContentCache for the specified 137078d85f53b093867bbb0123f016956178eea7343eTed Kremenek /// memory buffer. 13711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump const SrcMgr::ContentCache* 13722b2453a7d8fe732561795431f39ceb2b2a832d84Chris Lattner createMemBufferContentCache(const llvm::MemoryBuffer *Buf); 13731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1374de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner FileID getFileIDSlow(unsigned SLocOffset) const; 1375f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor FileID getFileIDLocal(unsigned SLocOffset) const; 1376f62d43d2afe1960755a1b5813cae1e5983bcac1bDouglas Gregor FileID getFileIDLoaded(unsigned SLocOffset) const; 1377de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner 1378f84ef95ecec34f27fd05eb4e0392ca6bd3bd0be0Chandler Carruth SourceLocation getExpansionLocSlowCase(SourceLocation Loc) const; 1379addb797ca2b5afc1a1e82fd8d5d6eb2a592e75a9Chris Lattner SourceLocation getSpellingLocSlowCase(SourceLocation Loc) const; 1380796dbfb6c43336f58c026137c438e53eadc381f7Argyrios Kyrtzidis SourceLocation getFileLocSlowCase(SourceLocation Loc) const; 1381addb797ca2b5afc1a1e82fd8d5d6eb2a592e75a9Chris Lattner 1382de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner std::pair<FileID, unsigned> 1383e7b2b6e87dbe5b1207f77b6ff9c210a02f95bb39Chandler Carruth getDecomposedExpansionLocSlowCase(const SrcMgr::SLocEntry *E) const; 1384de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner std::pair<FileID, unsigned> 1385de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner getDecomposedSpellingLocSlowCase(const SrcMgr::SLocEntry *E, 1386de7aeefc5573d669ed476d7bda7a8940d3bcadb7Chris Lattner unsigned Offset) const; 1387fb3612ef197cb8532c05f33889ec1aed7c26e5cbArgyrios Kyrtzidis void computeMacroArgsCache(MacroArgsMap *&MacroArgsCache, FileID FID) const; 1388ac1ffcc55b861737ba2466cd1ca1accd8eafceaaArgyrios Kyrtzidis 1389ac1ffcc55b861737ba2466cd1ca1accd8eafceaaArgyrios Kyrtzidis friend class ASTReader; 1390ac1ffcc55b861737ba2466cd1ca1accd8eafceaaArgyrios Kyrtzidis friend class ASTWriter; 13915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 13925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 13955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 13965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 1397