| /** \file |
| * This OBJC source file was generated by $ANTLR version ${project.version} ${buildNumber} |
| * |
| * - From the grammar source file : TreeRewrite.g |
| * - On : 2011-05-06 18:56:28 |
| * - for the lexer : TreeRewriteLexerLexer |
| * |
| * Editing it, at least manually, is not wise. |
| * |
| * ObjC language generator and runtime by Alan Condit, acondit|hereisanat|ipns|dotgoeshere|com. |
| * |
| * |
| */ |
| // $ANTLR ${project.version} ${buildNumber} TreeRewrite.g 2011-05-06 18:56:28 |
| |
| |
| /* ----------------------------------------- |
| * Include the ANTLR3 generated header file. |
| */ |
| #import "TreeRewriteLexer.h" |
| /* ----------------------------------------- */ |
| |
| |
| /* ============================================================================= */ |
| /* ============================================================================= |
| * Start of recognizer |
| */ |
| |
| /** As per Terence: No returns for lexer rules! */ |
| @implementation TreeRewriteLexer // line 330 |
| |
| + (void) initialize |
| { |
| [ANTLRBaseRecognizer setGrammarFileName:@"TreeRewrite.g"]; |
| } |
| |
| + (NSString *) tokenNameForType:(NSInteger)aTokenType |
| { |
| return [[self getTokenNames] objectAtIndex:aTokenType]; |
| } |
| |
| + (TreeRewriteLexer *)newTreeRewriteLexerWithCharStream:(id<ANTLRCharStream>)anInput |
| { |
| return [[TreeRewriteLexer alloc] initWithCharStream:anInput]; |
| } |
| |
| - (id) initWithCharStream:(id<ANTLRCharStream>)anInput |
| { |
| self = [super initWithCharStream:anInput State:[[ANTLRRecognizerSharedState newANTLRRecognizerSharedStateWithRuleLen:3+1] retain]]; |
| if ( self != nil ) { |
| } |
| return self; |
| } |
| |
| - (void) dealloc |
| { |
| [super dealloc]; |
| } |
| |
| /* ObjC Start of actions.lexer.methods */ |
| /* ObjC end of actions.lexer.methods */ |
| /* ObjC start methods() */ |
| /* ObjC end methods() */ |
| |
| /* Start of Rules */ |
| // $ANTLR start "INT" |
| - (void) mINT |
| { |
| // |
| /* my ruleScopeSetUp */ |
| /* Terence's stuff */ |
| |
| @try { |
| NSInteger _type = INT; |
| NSInteger _channel = ANTLRTokenChannelDefault; |
| // TreeRewrite.g:15:5: ( ( '0' .. '9' )+ ) // ruleBlockSingleAlt |
| // TreeRewrite.g:15:7: ( '0' .. '9' )+ // alt |
| { |
| // TreeRewrite.g:15:7: ( '0' .. '9' )+ // positiveClosureBlock |
| NSInteger cnt1 = 0; |
| do { |
| NSInteger alt1 = 2; |
| NSInteger LA1_0 = [input LA:1]; |
| if ( ((LA1_0 >= '0' && LA1_0 <= '9')) ) { |
| alt1=1; |
| } |
| |
| |
| switch (alt1) { |
| case 1 : ; |
| // TreeRewrite.g: // alt |
| { |
| if ((([input LA:1] >= '0') && ([input LA:1] <= '9'))) { |
| [input consume]; |
| } else { |
| ANTLRMismatchedSetException *mse = [ANTLRMismatchedSetException newException:nil stream:input]; |
| [self recover:mse]; |
| @throw mse; |
| } |
| |
| |
| } |
| break; |
| |
| default : |
| if ( cnt1 >= 1 ) |
| goto loop1; |
| ANTLREarlyExitException *eee = |
| [ANTLREarlyExitException newException:input decisionNumber:1]; |
| @throw eee; |
| } |
| cnt1++; |
| } while (YES); |
| loop1: ; |
| |
| |
| } |
| |
| // token+rule list labels |
| |
| state.type = _type; |
| state.channel = _channel; |
| } |
| @finally { |
| // |
| /* Terence's stuff */ |
| |
| } |
| return; |
| } |
| /* $ANTLR end "INT" */ |
| |
| // $ANTLR start "WS" |
| - (void) mWS |
| { |
| // |
| /* my ruleScopeSetUp */ |
| /* Terence's stuff */ |
| |
| @try { |
| NSInteger _type = WS; |
| NSInteger _channel = ANTLRTokenChannelDefault; |
| // TreeRewrite.g:18:5: ( ' ' ) // ruleBlockSingleAlt |
| // TreeRewrite.g:18:9: ' ' // alt |
| { |
| [self matchChar:' ']; |
| |
| |
| _channel=HIDDEN; |
| |
| |
| } |
| |
| // token+rule list labels |
| |
| state.type = _type; |
| state.channel = _channel; |
| } |
| @finally { |
| // |
| /* Terence's stuff */ |
| |
| } |
| return; |
| } |
| /* $ANTLR end "WS" */ |
| |
| - (void) mTokens |
| { |
| // TreeRewrite.g:1:8: ( INT | WS ) //ruleblock |
| NSInteger alt2=2; |
| NSInteger LA2_0 = [input LA:1]; |
| |
| if ( ((LA2_0 >= '0' && LA2_0 <= '9')) ) { |
| alt2=1; |
| } |
| else if ( (LA2_0==' ') ) { |
| alt2=2; |
| } |
| else { |
| ANTLRNoViableAltException *nvae = [ANTLRNoViableAltException newException:2 state:0 stream:input]; |
| nvae.c = LA2_0; |
| @throw nvae; |
| |
| } |
| switch (alt2) { |
| case 1 : ; |
| // TreeRewrite.g:1:10: INT // alt |
| { |
| [self mINT]; |
| |
| |
| |
| } |
| break; |
| case 2 : ; |
| // TreeRewrite.g:1:14: WS // alt |
| { |
| [self mWS]; |
| |
| |
| |
| } |
| break; |
| |
| } |
| |
| } |
| |
| @end /* end of TreeRewriteLexer implementation line 397 */ |