219 lines
5.7 KiB
Objective-C
219 lines
5.7 KiB
Objective-C
/** \file
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* This OBJC source file was generated by $ANTLR version 3.4
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*
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* - From the grammar source file : /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/treerewrite/TreeRewrite.g
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* - On : 2012-02-16 17:42:35
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* - for the lexer : TreeRewriteLexerLexer
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*
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* Editing it, at least manually, is not wise.
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*
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* ObjC language generator and runtime by Alan Condit, acondit|hereisanat|ipns|dotgoeshere|com.
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*
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*
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*/
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// $ANTLR 3.4 /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/treerewrite/TreeRewrite.g 2012-02-16 17:42:35
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/* -----------------------------------------
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* Include the ANTLR3 generated header file.
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*/
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#import "TreeRewriteLexer.h"
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/* ----------------------------------------- */
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/* ============================================================================= */
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/* =============================================================================
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* Start of recognizer
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*/
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/** As per Terence: No returns for lexer rules! */
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@implementation TreeRewriteLexer // line 330
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+ (void) initialize
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{
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[BaseRecognizer setGrammarFileName:@"/Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/treerewrite/TreeRewrite.g"];
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}
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+ (NSString *) tokenNameForType:(NSInteger)aTokenType
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{
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return [[self getTokenNames] objectAtIndex:aTokenType];
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}
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+ (TreeRewriteLexer *)newTreeRewriteLexerWithCharStream:(id<CharStream>)anInput
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{
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return [[TreeRewriteLexer alloc] initWithCharStream:anInput];
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}
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- (id) initWithCharStream:(id<CharStream>)anInput
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{
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self = [super initWithCharStream:anInput State:[RecognizerSharedState newRecognizerSharedStateWithRuleLen:3+1]];
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if ( self != nil ) {
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}
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return self;
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}
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- (void) dealloc
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{
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[super dealloc];
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}
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/* ObjC Start of actions.lexer.methods */
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/* ObjC end of actions.lexer.methods */
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/* ObjC start methods() */
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/* ObjC end methods() */
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/* Start of Rules */
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// $ANTLR start "INT"
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- (void) mINT
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{
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//
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/* ruleScopeSetUp */
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/* ruleDeclarations */
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@try {
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NSInteger _type = INT;
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NSInteger _channel = TokenChannelDefault;
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// /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/treerewrite/TreeRewrite.g:15:5: ( ( '0' .. '9' )+ ) // ruleBlockSingleAlt
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// /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/treerewrite/TreeRewrite.g:15:7: ( '0' .. '9' )+ // alt
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{
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// /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/treerewrite/TreeRewrite.g:15:7: ( '0' .. '9' )+ // positiveClosureBlock
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NSInteger cnt1 = 0;
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do {
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NSInteger alt1 = 2;
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NSInteger LA1_0 = [input LA:1];
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if ( ((LA1_0 >= '0' && LA1_0 <= '9')) ) {
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alt1=1;
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}
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switch (alt1) {
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case 1 : ;
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// /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/treerewrite/TreeRewrite.g: // alt
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{
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if ((([input LA:1] >= '0') && ([input LA:1] <= '9'))) {
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[input consume];
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} else {
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MismatchedSetException *mse = [MismatchedSetException newException:nil stream:input];
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[self recover:mse];
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@throw mse;
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}
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}
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break;
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default :
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if ( cnt1 >= 1 )
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goto loop1;
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EarlyExitException *eee =
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[EarlyExitException newException:input decisionNumber:1];
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@throw eee;
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}
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cnt1++;
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} while (YES);
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loop1: ;
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}
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/* token+rule list labels */
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state.type = _type;
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state.channel = _channel;
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}
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@finally {
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//
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/* ruleScopeCleanUp */
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}
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return;
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}
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/* $ANTLR end "INT" */
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// $ANTLR start "WS"
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- (void) mWS
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{
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//
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/* ruleScopeSetUp */
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/* ruleDeclarations */
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@try {
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NSInteger _type = WS;
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NSInteger _channel = TokenChannelDefault;
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// /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/treerewrite/TreeRewrite.g:18:5: ( ' ' ) // ruleBlockSingleAlt
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// /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/treerewrite/TreeRewrite.g:18:9: ' ' // alt
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{
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[self matchChar:' '];
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_channel=HIDDEN;
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}
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/* token+rule list labels */
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state.type = _type;
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state.channel = _channel;
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}
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@finally {
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//
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/* ruleScopeCleanUp */
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}
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return;
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}
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/* $ANTLR end "WS" */
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- (void) mTokens
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{
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// /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/treerewrite/TreeRewrite.g:1:8: ( INT | WS ) //ruleblock
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NSInteger alt2=2;
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NSInteger LA2_0 = [input LA:1];
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if ( ((LA2_0 >= '0' && LA2_0 <= '9')) ) {
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alt2=1;
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}
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else if ( (LA2_0==' ') ) {
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alt2=2;
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}
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else {
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NoViableAltException *nvae = [NoViableAltException newException:2 state:0 stream:input];
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nvae.c = LA2_0;
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@throw nvae;
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}
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switch (alt2) {
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case 1 : ;
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// /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/treerewrite/TreeRewrite.g:1:10: INT // alt
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{
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[self mINT];
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}
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break;
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case 2 : ;
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// /Users/acondit/source/antlr/code/antlr3/runtime/ObjC/Framework/examples/treerewrite/TreeRewrite.g:1:14: WS // alt
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{
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[self mWS];
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}
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break;
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}
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}
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@end /* end of TreeRewriteLexer implementation line 397 */ |