Token.h revision 79ed16e2e605d67a12cccdcf9ad1b231175da1a6
1d217773f106856a11879ec79dc468efefaf2ee75Chris Lattner//===--- Token.h - Token interface ------------------------------*- 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// 10d217773f106856a11879ec79dc468efefaf2ee75Chris Lattner// This file defines the Token interface. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 14d217773f106856a11879ec79dc468efefaf2ee75Chris Lattner#ifndef LLVM_CLANG_TOKEN_H 15d217773f106856a11879ec79dc468efefaf2ee75Chris Lattner#define LLVM_CLANG_TOKEN_H 165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/TokenKinds.h" 185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/SourceLocation.h" 195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencernamespace clang { 215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerclass IdentifierInfo; 235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 24d217773f106856a11879ec79dc468efefaf2ee75Chris Lattner/// Token - This structure provides full information about a lexed token. 255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// It is not intended to be space efficient, it is intended to return as much 265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// information as possible about each returned token. This is expected to be 275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// compressed into a smaller form if memory footprint is important. 283604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis/// 293604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis/// The parser can create a special "annotation token" representing a stream of 303604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis/// tokens that were parsed and semantically resolved, e.g.: "foo::MyClass<int>" 313604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis/// can be represented by a single typename annotation token that carries 323604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis/// information about the SourceRange of the tokens and the type object. 33d217773f106856a11879ec79dc468efefaf2ee75Chris Lattnerclass Token { 343604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis /// The location of the token. 355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation Loc; 363604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis 37b28d6de75e0cb27ce3106ce6052f87ad0ab276d7Daniel Dunbar // Conceptually these next two fields could be in a union with 38b28d6de75e0cb27ce3106ce6052f87ad0ab276d7Daniel Dunbar // access depending on isAnnotationToken(). However, this causes gcc 39b28d6de75e0cb27ce3106ce6052f87ad0ab276d7Daniel Dunbar // 4.2 to pessimize LexTokenInternal, a very performance critical 40b28d6de75e0cb27ce3106ce6052f87ad0ab276d7Daniel Dunbar // routine. Keeping as separate members with casts until a more 41b28d6de75e0cb27ce3106ce6052f87ad0ab276d7Daniel Dunbar // beautiful fix presents itself. 42b28d6de75e0cb27ce3106ce6052f87ad0ab276d7Daniel Dunbar 43b28d6de75e0cb27ce3106ce6052f87ad0ab276d7Daniel Dunbar /// UintData - This holds either the length of the token text, when 44b28d6de75e0cb27ce3106ce6052f87ad0ab276d7Daniel Dunbar /// a normal token, or the end of the SourceRange when an annotation 45b28d6de75e0cb27ce3106ce6052f87ad0ab276d7Daniel Dunbar /// token. 46b28d6de75e0cb27ce3106ce6052f87ad0ab276d7Daniel Dunbar unsigned UintData; 47b28d6de75e0cb27ce3106ce6052f87ad0ab276d7Daniel Dunbar 48b28d6de75e0cb27ce3106ce6052f87ad0ab276d7Daniel Dunbar /// PtrData - For normal tokens, this points to the uniqued 49b28d6de75e0cb27ce3106ce6052f87ad0ab276d7Daniel Dunbar /// information for the identifier (if an identifier token) or 50b28d6de75e0cb27ce3106ce6052f87ad0ab276d7Daniel Dunbar /// null. For annotation tokens, this points to information specific 51b28d6de75e0cb27ce3106ce6052f87ad0ab276d7Daniel Dunbar /// to the annotation token. 52b28d6de75e0cb27ce3106ce6052f87ad0ab276d7Daniel Dunbar void *PtrData; 535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Kind - The actual flavor of token this is. 555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 568e748ab52395328f2905855b295a22e33dc800b2Ted Kremenek unsigned Kind : 8; // DON'T make Kind a 'tok::TokenKind'; 578e748ab52395328f2905855b295a22e33dc800b2Ted Kremenek // MSVC will treat it as a signed char and 588e748ab52395328f2905855b295a22e33dc800b2Ted Kremenek // TokenKinds > 127 won't be handled correctly. 595f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// Flags - Bits we track about this token, members of the TokenFlags enum. 615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer unsigned Flags : 8; 625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerpublic: 635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Various flags set per token: 655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer enum TokenFlags { 665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer StartOfLine = 0x01, // At start of line or only after whitespace. 675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LeadingSpace = 0x02, // Whitespace exists before this token. 685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DisableExpand = 0x04, // This identifier may never be macro expanded. 695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer NeedsCleaning = 0x08 // Contained an escaped newline or trigraph. 705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer }; 715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 728e748ab52395328f2905855b295a22e33dc800b2Ted Kremenek tok::TokenKind getKind() const { return (tok::TokenKind)Kind; } 735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setKind(tok::TokenKind K) { Kind = K; } 74000732226610650837478cba97843d19b75f648eChris Lattner 75000732226610650837478cba97843d19b75f648eChris Lattner /// is/isNot - Predicates to check if this token is a specific kind, as in 76000732226610650837478cba97843d19b75f648eChris Lattner /// "if (Tok.is(tok::l_brace)) {...}". 778e748ab52395328f2905855b295a22e33dc800b2Ted Kremenek bool is(tok::TokenKind K) const { return Kind == (unsigned) K; } 788e748ab52395328f2905855b295a22e33dc800b2Ted Kremenek bool isNot(tok::TokenKind K) const { return Kind != (unsigned) K; } 795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 803604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis bool isAnnotationToken() const { 81b31757b68afe06ba442a05775d08fe7aa0f6f889Chris Lattner return is(tok::annot_typename) || 82d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor is(tok::annot_cxxscope) || 83d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor is(tok::annot_template_id); 843604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis } 853604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis 865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// getLocation - Return a source location identifier for the specified 875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// offset in the current file. 885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation getLocation() const { return Loc; } 893604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis unsigned getLength() const { 9079ed16e2e605d67a12cccdcf9ad1b231175da1a6Chris Lattner assert(!isAnnotationToken() && "Annotation tokens have no length field"); 91b28d6de75e0cb27ce3106ce6052f87ad0ab276d7Daniel Dunbar return UintData; 923604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis } 935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setLocation(SourceLocation L) { Loc = L; } 9579ed16e2e605d67a12cccdcf9ad1b231175da1a6Chris Lattner void setLength(unsigned Len) { 9679ed16e2e605d67a12cccdcf9ad1b231175da1a6Chris Lattner assert(!isAnnotationToken() && "Annotation tokens have no length field"); 9779ed16e2e605d67a12cccdcf9ad1b231175da1a6Chris Lattner UintData = Len; 9879ed16e2e605d67a12cccdcf9ad1b231175da1a6Chris Lattner } 993604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis 1003604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis SourceLocation getAnnotationEndLoc() const { 1013604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis assert(isAnnotationToken() && "Used AnnotEndLocID on non-annotation token"); 102b28d6de75e0cb27ce3106ce6052f87ad0ab276d7Daniel Dunbar return SourceLocation::getFromRawEncoding(UintData); 1033604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis } 1043604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis void setAnnotationEndLoc(SourceLocation L) { 1053604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis assert(isAnnotationToken() && "Used AnnotEndLocID on non-annotation token"); 106b28d6de75e0cb27ce3106ce6052f87ad0ab276d7Daniel Dunbar UintData = L.getRawEncoding(); 1073604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis } 1083604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis 1093604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis /// getAnnotationRange - SourceRange of the group of tokens that this 1103604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis /// annotation token represents. 1113604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis SourceRange getAnnotationRange() const { 1123604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis return SourceRange(getLocation(), getAnnotationEndLoc()); 1133604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis } 1143604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis void setAnnotationRange(SourceRange R) { 1153604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis setLocation(R.getBegin()); 1163604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis setAnnotationEndLoc(R.getEnd()); 1173604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis } 1185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1198e748ab52395328f2905855b295a22e33dc800b2Ted Kremenek const char *getName() const { 1208e748ab52395328f2905855b295a22e33dc800b2Ted Kremenek return tok::getTokenName( (tok::TokenKind) Kind); 1218e748ab52395328f2905855b295a22e33dc800b2Ted Kremenek } 1225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// startToken - Reset all flags to cleared. 1245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 1255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void startToken() { 12679ed16e2e605d67a12cccdcf9ad1b231175da1a6Chris Lattner Kind = tok::unknown; 1275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Flags = 0; 128b28d6de75e0cb27ce3106ce6052f87ad0ab276d7Daniel Dunbar PtrData = 0; 1295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Loc = SourceLocation(); 1305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1323604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis IdentifierInfo *getIdentifierInfo() const { 1333604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis assert(!isAnnotationToken() && "Used IdentInfo on annotation token"); 134b28d6de75e0cb27ce3106ce6052f87ad0ab276d7Daniel Dunbar return (IdentifierInfo*) PtrData; 1353604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis } 1365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setIdentifierInfo(IdentifierInfo *II) { 137b28d6de75e0cb27ce3106ce6052f87ad0ab276d7Daniel Dunbar PtrData = (void*) II; 1385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1393604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis 1403604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis void *getAnnotationValue() const { 1413604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis assert(isAnnotationToken() && "Used AnnotVal on non-annotation token"); 142b28d6de75e0cb27ce3106ce6052f87ad0ab276d7Daniel Dunbar return PtrData; 1433604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis } 1443604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis void setAnnotationValue(void *val) { 1453604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis assert(isAnnotationToken() && "Used AnnotVal on non-annotation token"); 146b28d6de75e0cb27ce3106ce6052f87ad0ab276d7Daniel Dunbar PtrData = val; 1473604e3895ecd850291b518e5a82246c888ce9d0fArgyrios Kyrtzidis } 14853702cd401b8fdca985aede7732c2f6a82ad9b1cChris Lattner 1495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// setFlag - Set the specified flag. 1505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setFlag(TokenFlags Flag) { 1515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Flags |= Flag; 1525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// clearFlag - Unset the specified flag. 1555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void clearFlag(TokenFlags Flag) { 1565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Flags &= ~Flag; 1575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 158ef3b215c946d4813408b5fe872fe2baa3b246b00Ted Kremenek 159ef3b215c946d4813408b5fe872fe2baa3b246b00Ted Kremenek /// getFlags - Return the internal represtation of the flags. 160ef3b215c946d4813408b5fe872fe2baa3b246b00Ted Kremenek /// Only intended for low-level operations such as writing tokens to 161ef3b215c946d4813408b5fe872fe2baa3b246b00Ted Kremenek // disk. 162ef3b215c946d4813408b5fe872fe2baa3b246b00Ted Kremenek unsigned getFlags() const { 163ef3b215c946d4813408b5fe872fe2baa3b246b00Ted Kremenek return Flags; 164ef3b215c946d4813408b5fe872fe2baa3b246b00Ted Kremenek } 1655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// setFlagValue - Set a flag to either true or false. 1675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void setFlagValue(TokenFlags Flag, bool Val) { 1685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Val) 1695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer setFlag(Flag); 1705f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 1715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer clearFlag(Flag); 1725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 1735f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isAtStartOfLine - Return true if this token is at the start of a line. 1755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 176b8128140956c6f8f0ab143818775a81f4b4aa477Chris Lattner bool isAtStartOfLine() const { return (Flags & StartOfLine) ? true : false; } 1775f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1785f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// hasLeadingSpace - Return true if this token has whitespace before it. 1795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 180b8128140956c6f8f0ab143818775a81f4b4aa477Chris Lattner bool hasLeadingSpace() const { return (Flags & LeadingSpace) ? true : false; } 1815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// isExpandDisabled - Return true if this identifier token should never 1835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// be expanded in the future, due to C99 6.10.3.4p2. 1848e748ab52395328f2905855b295a22e33dc800b2Ted Kremenek bool isExpandDisabled() const { 1858e748ab52395328f2905855b295a22e33dc800b2Ted Kremenek return (Flags & DisableExpand) ? true : false; 1868e748ab52395328f2905855b295a22e33dc800b2Ted Kremenek } 187861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff 188861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff /// isObjCAtKeyword - Return true if we have an ObjC keyword identifier. 189861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff bool isObjCAtKeyword(tok::ObjCKeywordKind objcKey) const; 190861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff 191861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff /// getObjCKeywordID - Return the ObjC keyword kind. 192861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff tok::ObjCKeywordKind getObjCKeywordID() const; 193861cf3effdc0fbc97d401539bc3050da76b2476fSteve Naroff 1945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// needsCleaning - Return true if this token has trigraphs or escaped 1955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// newlines in it. 1965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 197b8128140956c6f8f0ab143818775a81f4b4aa477Chris Lattner bool needsCleaning() const { return (Flags & NeedsCleaning) ? true : false; } 1985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 1995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// PPConditionalInfo - Information about the conditional stack (#if directives) 2015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// currently active. 2025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerstruct PPConditionalInfo { 2035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// IfLoc - Location where the conditional started. 2045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// 2055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer SourceLocation IfLoc; 2065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// WasSkipping - True if this was contained in a skipping directive, e.g. 2085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// in a "#if 0" block. 2095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool WasSkipping; 2105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// FoundNonSkip - True if we have emitted tokens already, and now we're in 2125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// an #else block or something. Only useful in Skipping blocks. 2135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool FoundNonSkip; 2145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// FoundElse - True if we've seen a #else in this block. If so, 2165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer /// #elif/#else directives are not allowed. 2175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer bool FoundElse; 2185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 2195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 220d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor/// TemplateIdAnnotation - Information about a template-id annotation 221d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor/// token, which contains the template declaration, template 222d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor/// arguments, and the source locations for important tokens. 223d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregorstruct TemplateIdAnnotation { 224d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor /// TemplateNameLoc - The location of the template name within the 225d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor /// source. 226d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor SourceLocation TemplateNameLoc; 227d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor 228d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor /// Template - The declaration of the template corresponding to the 229d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor /// template-name. This is an Action::DeclTy*. 230d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor void *Template; 231d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor 232d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor /// LAngleLoc - The location of the '<' before the template argument 233d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor /// list. 234d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor SourceLocation LAngleLoc; 235d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor 236d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor /// NumArgs - The number of template arguments. The arguments 237d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor /// themselves are Action::TemplateArgTy pointers allocated directly 238d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor /// following the TemplateIdAnnotation structure. 239d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor unsigned NumArgs; 240d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor}; 241d6fb7ef028d9aa0b3e8943b7bc049c524437b407Douglas Gregor 2425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} // end namespace clang 2435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#endif 245