| /** \file |
| * This OBJC source file was generated by $ANTLR version ${project.version} ${buildNumber} |
| * |
| * - From the grammar source file : Lang.g |
| * - On : 2011-05-06 17:38:52 |
| * - for the lexer : LangLexerLexer |
| * |
| * 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} Lang.g 2011-05-06 17:38:52 |
| |
| |
| /* ----------------------------------------- |
| * Include the ANTLR3 generated header file. |
| */ |
| #import "LangLexer.h" |
| /* ----------------------------------------- */ |
| |
| |
| /* ============================================================================= */ |
| /* ============================================================================= |
| * Start of recognizer |
| */ |
| |
| /** As per Terence: No returns for lexer rules! */ |
| @implementation LangLexer // line 330 |
| |
| + (void) initialize |
| { |
| [ANTLRBaseRecognizer setGrammarFileName:@"Lang.g"]; |
| } |
| |
| + (NSString *) tokenNameForType:(NSInteger)aTokenType |
| { |
| return [[self getTokenNames] objectAtIndex:aTokenType]; |
| } |
| |
| + (LangLexer *)newLangLexerWithCharStream:(id<ANTLRCharStream>)anInput |
| { |
| return [[LangLexer alloc] initWithCharStream:anInput]; |
| } |
| |
| - (id) initWithCharStream:(id<ANTLRCharStream>)anInput |
| { |
| self = [super initWithCharStream:anInput State:[[ANTLRRecognizerSharedState newANTLRRecognizerSharedStateWithRuleLen:7+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 "T__10" |
| - (void) mT__10 |
| { |
| // |
| /* my ruleScopeSetUp */ |
| /* Terence's stuff */ |
| |
| @try { |
| NSInteger _type = T__10; |
| NSInteger _channel = ANTLRTokenChannelDefault; |
| // Lang.g:7:7: ( ';' ) // ruleBlockSingleAlt |
| // Lang.g:7:9: ';' // alt |
| { |
| [self matchChar:';']; |
| |
| |
| } |
| |
| // token+rule list labels |
| |
| state.type = _type; |
| state.channel = _channel; |
| } |
| @finally { |
| // |
| /* Terence's stuff */ |
| |
| } |
| return; |
| } |
| /* $ANTLR end "T__10" */ |
| |
| // $ANTLR start "INTTYPE" |
| - (void) mINTTYPE |
| { |
| // |
| /* my ruleScopeSetUp */ |
| /* Terence's stuff */ |
| |
| @try { |
| NSInteger _type = INTTYPE; |
| NSInteger _channel = ANTLRTokenChannelDefault; |
| // Lang.g:18:9: ( 'int' ) // ruleBlockSingleAlt |
| // Lang.g:18:11: 'int' // alt |
| { |
| [self matchString:@"int"]; |
| |
| |
| |
| } |
| |
| // token+rule list labels |
| |
| state.type = _type; |
| state.channel = _channel; |
| } |
| @finally { |
| // |
| /* Terence's stuff */ |
| |
| } |
| return; |
| } |
| /* $ANTLR end "INTTYPE" */ |
| |
| // $ANTLR start "FLOATTYPE" |
| - (void) mFLOATTYPE |
| { |
| // |
| /* my ruleScopeSetUp */ |
| /* Terence's stuff */ |
| |
| @try { |
| NSInteger _type = FLOATTYPE; |
| NSInteger _channel = ANTLRTokenChannelDefault; |
| // Lang.g:19:11: ( 'float' ) // ruleBlockSingleAlt |
| // Lang.g:19:13: 'float' // alt |
| { |
| [self matchString:@"float"]; |
| |
| |
| |
| } |
| |
| // token+rule list labels |
| |
| state.type = _type; |
| state.channel = _channel; |
| } |
| @finally { |
| // |
| /* Terence's stuff */ |
| |
| } |
| return; |
| } |
| /* $ANTLR end "FLOATTYPE" */ |
| |
| // $ANTLR start "ID" |
| - (void) mID |
| { |
| // |
| /* my ruleScopeSetUp */ |
| /* Terence's stuff */ |
| |
| @try { |
| NSInteger _type = ID; |
| NSInteger _channel = ANTLRTokenChannelDefault; |
| // Lang.g:20:4: ( ( 'a' .. 'z' )+ ) // ruleBlockSingleAlt |
| // Lang.g:20:6: ( 'a' .. 'z' )+ // alt |
| { |
| // Lang.g:20:6: ( 'a' .. 'z' )+ // positiveClosureBlock |
| NSInteger cnt1 = 0; |
| do { |
| NSInteger alt1 = 2; |
| NSInteger LA1_0 = [input LA:1]; |
| if ( ((LA1_0 >= 'a' && LA1_0 <= 'z')) ) { |
| alt1=1; |
| } |
| |
| |
| switch (alt1) { |
| case 1 : ; |
| // Lang.g: // alt |
| { |
| if ((([input LA:1] >= 'a') && ([input LA:1] <= 'z'))) { |
| [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 "ID" */ |
| |
| // $ANTLR start "INT" |
| - (void) mINT |
| { |
| // |
| /* my ruleScopeSetUp */ |
| /* Terence's stuff */ |
| |
| @try { |
| NSInteger _type = INT; |
| NSInteger _channel = ANTLRTokenChannelDefault; |
| // Lang.g:21:5: ( ( '0' .. '9' )+ ) // ruleBlockSingleAlt |
| // Lang.g:21:7: ( '0' .. '9' )+ // alt |
| { |
| // Lang.g:21:7: ( '0' .. '9' )+ // positiveClosureBlock |
| NSInteger cnt2 = 0; |
| do { |
| NSInteger alt2 = 2; |
| NSInteger LA2_0 = [input LA:1]; |
| if ( ((LA2_0 >= '0' && LA2_0 <= '9')) ) { |
| alt2=1; |
| } |
| |
| |
| switch (alt2) { |
| case 1 : ; |
| // Lang.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 ( cnt2 >= 1 ) |
| goto loop2; |
| ANTLREarlyExitException *eee = |
| [ANTLREarlyExitException newException:input decisionNumber:2]; |
| @throw eee; |
| } |
| cnt2++; |
| } while (YES); |
| loop2: ; |
| |
| |
| } |
| |
| // 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; |
| // Lang.g:22:4: ( ( ' ' | '\\n' ) ) // ruleBlockSingleAlt |
| // Lang.g:22:6: ( ' ' | '\\n' ) // alt |
| { |
| if ([input LA:1] == '\n'||[input LA:1] == ' ') { |
| [input consume]; |
| } else { |
| ANTLRMismatchedSetException *mse = [ANTLRMismatchedSetException newException:nil stream:input]; |
| [self recover:mse]; |
| @throw mse; |
| } |
| |
| |
| _channel=HIDDEN; |
| |
| |
| } |
| |
| // token+rule list labels |
| |
| state.type = _type; |
| state.channel = _channel; |
| } |
| @finally { |
| // |
| /* Terence's stuff */ |
| |
| } |
| return; |
| } |
| /* $ANTLR end "WS" */ |
| |
| - (void) mTokens |
| { |
| // Lang.g:1:8: ( T__10 | INTTYPE | FLOATTYPE | ID | INT | WS ) //ruleblock |
| NSInteger alt3=6; |
| unichar charLA3 = [input LA:1]; |
| switch (charLA3) { |
| case ';': ; |
| { |
| alt3=1; |
| } |
| break; |
| case 'i': ; |
| { |
| NSInteger LA3_2 = [input LA:2]; |
| |
| if ( (LA3_2=='n') ) { |
| NSInteger LA3_7 = [input LA:3]; |
| |
| if ( (LA3_7=='t') ) { |
| NSInteger LA3_9 = [input LA:4]; |
| |
| if ( ((LA3_9 >= 'a' && LA3_9 <= 'z')) ) { |
| alt3=4; |
| } |
| else { |
| alt3 = 2; |
| } |
| } |
| else { |
| alt3 = 4; |
| } |
| } |
| else { |
| alt3 = 4; |
| } |
| } |
| break; |
| case 'f': ; |
| { |
| NSInteger LA3_3 = [input LA:2]; |
| |
| if ( (LA3_3=='l') ) { |
| NSInteger LA3_8 = [input LA:3]; |
| |
| if ( (LA3_8=='o') ) { |
| NSInteger LA3_10 = [input LA:4]; |
| |
| if ( (LA3_10=='a') ) { |
| NSInteger LA3_12 = [input LA:5]; |
| |
| if ( (LA3_12=='t') ) { |
| NSInteger LA3_13 = [input LA:6]; |
| |
| if ( ((LA3_13 >= 'a' && LA3_13 <= 'z')) ) { |
| alt3=4; |
| } |
| else { |
| alt3 = 3; |
| } |
| } |
| else { |
| alt3 = 4; |
| } |
| } |
| else { |
| alt3 = 4; |
| } |
| } |
| else { |
| alt3 = 4; |
| } |
| } |
| else { |
| alt3 = 4; |
| } |
| } |
| break; |
| case 'a': ; |
| case 'b': ; |
| case 'c': ; |
| case 'd': ; |
| case 'e': ; |
| case 'g': ; |
| case 'h': ; |
| case 'j': ; |
| case 'k': ; |
| case 'l': ; |
| case 'm': ; |
| case 'n': ; |
| case 'o': ; |
| case 'p': ; |
| case 'q': ; |
| case 'r': ; |
| case 's': ; |
| case 't': ; |
| case 'u': ; |
| case 'v': ; |
| case 'w': ; |
| case 'x': ; |
| case 'y': ; |
| case 'z': ; |
| { |
| alt3=4; |
| } |
| break; |
| case '0': ; |
| case '1': ; |
| case '2': ; |
| case '3': ; |
| case '4': ; |
| case '5': ; |
| case '6': ; |
| case '7': ; |
| case '8': ; |
| case '9': ; |
| { |
| alt3=5; |
| } |
| break; |
| case '\n': ; |
| case ' ': ; |
| { |
| alt3=6; |
| } |
| break; |
| |
| default: ; |
| ANTLRNoViableAltException *nvae = [ANTLRNoViableAltException newException:3 state:0 stream:input]; |
| nvae.c = charLA3; |
| @throw nvae; |
| |
| } |
| |
| switch (alt3) { |
| case 1 : ; |
| // Lang.g:1:10: T__10 // alt |
| { |
| [self mT__10]; |
| |
| |
| |
| } |
| break; |
| case 2 : ; |
| // Lang.g:1:16: INTTYPE // alt |
| { |
| [self mINTTYPE]; |
| |
| |
| |
| } |
| break; |
| case 3 : ; |
| // Lang.g:1:24: FLOATTYPE // alt |
| { |
| [self mFLOATTYPE]; |
| |
| |
| |
| } |
| break; |
| case 4 : ; |
| // Lang.g:1:34: ID // alt |
| { |
| [self mID]; |
| |
| |
| |
| } |
| break; |
| case 5 : ; |
| // Lang.g:1:37: INT // alt |
| { |
| [self mINT]; |
| |
| |
| |
| } |
| break; |
| case 6 : ; |
| // Lang.g:1:41: WS // alt |
| { |
| [self mWS]; |
| |
| |
| |
| } |
| break; |
| |
| } |
| |
| } |
| |
| @end /* end of LangLexer implementation line 397 */ |
