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LLLexer.cpp (200581) LLLexer.cpp (201360)
1//===- LLLexer.cpp - Lexer for .ll Files ----------------------------------===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//

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249 CurPtr = Ptr;
250 StrVal.assign(TokStart, CurPtr-1);
251 return lltok::LabelStr;
252 }
253 return lltok::Error;
254 case ';':
255 SkipLineComment();
256 return LexToken();
1//===- LLLexer.cpp - Lexer for .ll Files ----------------------------------===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//

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249 CurPtr = Ptr;
250 StrVal.assign(TokStart, CurPtr-1);
251 return lltok::LabelStr;
252 }
253 return lltok::Error;
254 case ';':
255 SkipLineComment();
256 return LexToken();
257 case '!': return LexMetadata();
257 case '!': return LexExclaim();
258 case '0': case '1': case '2': case '3': case '4':
259 case '5': case '6': case '7': case '8': case '9':
260 case '-':
261 return LexDigitOrNegative();
262 case '=': return lltok::equal;
263 case '[': return lltok::lsquare;
264 case ']': return lltok::rsquare;
265 case '{': return lltok::lbrace;

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417 ++ThisPtr;
418 if (*ThisPtr == '\n' || *ThisPtr == '\r') {
419 Ptr = ThisPtr;
420 return true;
421 }
422 return false;
423}
424
258 case '0': case '1': case '2': case '3': case '4':
259 case '5': case '6': case '7': case '8': case '9':
260 case '-':
261 return LexDigitOrNegative();
262 case '=': return lltok::equal;
263 case '[': return lltok::lsquare;
264 case ']': return lltok::rsquare;
265 case '{': return lltok::lbrace;

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417 ++ThisPtr;
418 if (*ThisPtr == '\n' || *ThisPtr == '\r') {
419 Ptr = ThisPtr;
420 return true;
421 }
422 return false;
423}
424
425/// LexMetadata:
426/// !{...}
427/// !42
425/// LexExclaim:
428/// !foo
426/// !foo
429lltok::Kind LLLexer::LexMetadata() {
427/// !
428lltok::Kind LLLexer::LexExclaim() {
429 // Lex a metadata name as a MetadataVar.
430 if (isalpha(CurPtr[0])) {
431 ++CurPtr;
432 while (isalnum(CurPtr[0]) || CurPtr[0] == '-' || CurPtr[0] == '$' ||
433 CurPtr[0] == '.' || CurPtr[0] == '_')
434 ++CurPtr;
435
436 StrVal.assign(TokStart+1, CurPtr); // Skip !
430 if (isalpha(CurPtr[0])) {
431 ++CurPtr;
432 while (isalnum(CurPtr[0]) || CurPtr[0] == '-' || CurPtr[0] == '$' ||
433 CurPtr[0] == '.' || CurPtr[0] == '_')
434 ++CurPtr;
435
436 StrVal.assign(TokStart+1, CurPtr); // Skip !
437 return lltok::NamedOrCustomMD;
437 return lltok::MetadataVar;
438 }
438 }
439 return lltok::Metadata;
439 return lltok::exclaim;
440}
441
442/// LexIdentifier: Handle several related productions:
443/// Label [-a-zA-Z$._0-9]+:
444/// IntegerType i[0-9]+
445/// Keyword sdiv, float, ...
446/// HexIntConstant [us]0x[0-9A-Fa-f]+
447lltok::Kind LLLexer::LexIdentifier() {

--- 417 unchanged lines hidden --- 		440}
441
442/// LexIdentifier: Handle several related productions:
443/// Label [-a-zA-Z$._0-9]+:
444/// IntegerType i[0-9]+
445/// Keyword sdiv, float, ...
446/// HexIntConstant [us]0x[0-9A-Fa-f]+
447lltok::Kind LLLexer::LexIdentifier() {

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