symboltableparser.m

ANTLR(ANother Tool for Language Recognition)它是这样的一种工具

// $ANTLR 3.0b5 /Users/kroepke/Projects/antlr3/code/antlr/main/lib/ObjC/Framework/examples/scopes/SymbolTable.g 2006-11-12 20:47:00

#import "SymbolTableParser.h"

#pragma mark Cyclic DFA

#pragma mark Bitsets
const static unsigned long long FOLLOW_globals_in_prog44_data[] = {0x0000000000000082LL};
static ANTLRBitSet *FOLLOW_globals_in_prog44;
const static unsigned long long FOLLOW_method_in_prog47_data[] = {0x0000000000000082LL};
static ANTLRBitSet *FOLLOW_method_in_prog47;
const static unsigned long long FOLLOW_decl_in_globals79_data[] = {0x0000000000004002LL};
static ANTLRBitSet *FOLLOW_decl_in_globals79;
const static unsigned long long FOLLOW_7_in_method110_data[] = {0x0000000000000010LL};
static ANTLRBitSet *FOLLOW_7_in_method110;
const static unsigned long long FOLLOW_SymbolTableParser_ID_in_method112_data[] = {0x0000000000000100LL};
static ANTLRBitSet *FOLLOW_SymbolTableParser_ID_in_method112;
const static unsigned long long FOLLOW_8_in_method114_data[] = {0x0000000000000200LL};
static ANTLRBitSet *FOLLOW_8_in_method114;
const static unsigned long long FOLLOW_9_in_method116_data[] = {0x0000000000000400LL};
static ANTLRBitSet *FOLLOW_9_in_method116;
const static unsigned long long FOLLOW_block_in_method118_data[] = {0x0000000000000002LL};
static ANTLRBitSet *FOLLOW_block_in_method118;
const static unsigned long long FOLLOW_10_in_block147_data[] = {0x0000000000004C10LL};
static ANTLRBitSet *FOLLOW_10_in_block147;
const static unsigned long long FOLLOW_decl_in_block150_data[] = {0x0000000000004C10LL};
static ANTLRBitSet *FOLLOW_decl_in_block150;
const static unsigned long long FOLLOW_stat_in_block155_data[] = {0x0000000000000C10LL};
static ANTLRBitSet *FOLLOW_stat_in_block155;
const static unsigned long long FOLLOW_11_in_block159_data[] = {0x0000000000000002LL};
static ANTLRBitSet *FOLLOW_11_in_block159;
const static unsigned long long FOLLOW_SymbolTableParser_ID_in_stat183_data[] = {0x0000000000001000LL};
static ANTLRBitSet *FOLLOW_SymbolTableParser_ID_in_stat183;
const static unsigned long long FOLLOW_12_in_stat185_data[] = {0x0000000000000020LL};
static ANTLRBitSet *FOLLOW_12_in_stat185;
const static unsigned long long FOLLOW_SymbolTableParser_INT_in_stat187_data[] = {0x0000000000002000LL};
static ANTLRBitSet *FOLLOW_SymbolTableParser_INT_in_stat187;
const static unsigned long long FOLLOW_13_in_stat189_data[] = {0x0000000000000002LL};
static ANTLRBitSet *FOLLOW_13_in_stat189;
const static unsigned long long FOLLOW_block_in_stat199_data[] = {0x0000000000000002LL};
static ANTLRBitSet *FOLLOW_block_in_stat199;
const static unsigned long long FOLLOW_14_in_decl213_data[] = {0x0000000000000010LL};
static ANTLRBitSet *FOLLOW_14_in_decl213;
const static unsigned long long FOLLOW_SymbolTableParser_ID_in_decl215_data[] = {0x0000000000002000LL};
static ANTLRBitSet *FOLLOW_SymbolTableParser_ID_in_decl215;
const static unsigned long long FOLLOW_13_in_decl217_data[] = {0x0000000000000002LL};
static ANTLRBitSet *FOLLOW_13_in_decl217;


#pragma mark Dynamic Global Scopes
@implementation SymbolTableParserSymbolsScope
@end

#pragma mark Dynamic Rule Scopes

#pragma mark Rule return scopes start

@implementation SymbolTableParser

+ (void) initialize
{
	FOLLOW_globals_in_prog44 = [[ANTLRBitSet alloc] initWithBits:FOLLOW_globals_in_prog44_data count:1];
	FOLLOW_method_in_prog47 = [[ANTLRBitSet alloc] initWithBits:FOLLOW_method_in_prog47_data count:1];
	FOLLOW_decl_in_globals79 = [[ANTLRBitSet alloc] initWithBits:FOLLOW_decl_in_globals79_data count:1];
	FOLLOW_7_in_method110 = [[ANTLRBitSet alloc] initWithBits:FOLLOW_7_in_method110_data count:1];
	FOLLOW_SymbolTableParser_ID_in_method112 = [[ANTLRBitSet alloc] initWithBits:FOLLOW_SymbolTableParser_ID_in_method112_data count:1];
	FOLLOW_8_in_method114 = [[ANTLRBitSet alloc] initWithBits:FOLLOW_8_in_method114_data count:1];
	FOLLOW_9_in_method116 = [[ANTLRBitSet alloc] initWithBits:FOLLOW_9_in_method116_data count:1];
	FOLLOW_block_in_method118 = [[ANTLRBitSet alloc] initWithBits:FOLLOW_block_in_method118_data count:1];
	FOLLOW_10_in_block147 = [[ANTLRBitSet alloc] initWithBits:FOLLOW_10_in_block147_data count:1];
	FOLLOW_decl_in_block150 = [[ANTLRBitSet alloc] initWithBits:FOLLOW_decl_in_block150_data count:1];
	FOLLOW_stat_in_block155 = [[ANTLRBitSet alloc] initWithBits:FOLLOW_stat_in_block155_data count:1];
	FOLLOW_11_in_block159 = [[ANTLRBitSet alloc] initWithBits:FOLLOW_11_in_block159_data count:1];
	FOLLOW_SymbolTableParser_ID_in_stat183 = [[ANTLRBitSet alloc] initWithBits:FOLLOW_SymbolTableParser_ID_in_stat183_data count:1];
	FOLLOW_12_in_stat185 = [[ANTLRBitSet alloc] initWithBits:FOLLOW_12_in_stat185_data count:1];
	FOLLOW_SymbolTableParser_INT_in_stat187 = [[ANTLRBitSet alloc] initWithBits:FOLLOW_SymbolTableParser_INT_in_stat187_data count:1];
	FOLLOW_13_in_stat189 = [[ANTLRBitSet alloc] initWithBits:FOLLOW_13_in_stat189_data count:1];
	FOLLOW_block_in_stat199 = [[ANTLRBitSet alloc] initWithBits:FOLLOW_block_in_stat199_data count:1];
	FOLLOW_14_in_decl213 = [[ANTLRBitSet alloc] initWithBits:FOLLOW_14_in_decl213_data count:1];
	FOLLOW_SymbolTableParser_ID_in_decl215 = [[ANTLRBitSet alloc] initWithBits:FOLLOW_SymbolTableParser_ID_in_decl215_data count:1];
	FOLLOW_13_in_decl217 = [[ANTLRBitSet alloc] initWithBits:FOLLOW_13_in_decl217_data count:1];

}

- (id) initWithTokenStream:(id<ANTLRTokenStream>)aStream
{
	if ((self = [super initWithTokenStream:aStream])) {

		tokenNames = [[NSArray alloc] initWithObjects:@"<invalid>", @"<EOR>", @"<DOWN>", @"<UP>",     @"ID",     @"INT",     @"WS",     @"'method'",     @"'('",     @"')'",     @"'{'",     @"'}'",     @"'='",     @"';'",     @"'int'", nil];

		SymbolTableParser_Symbols_stack = [[NSMutableArray alloc] init];
														

		level = 0;

	}
	return self;
}

- (void) dealloc
{
	[tokenNames release];

	[SymbolTableParser_Symbols_stack release];
	[super dealloc];
}


// $ANTLR start prog
// /Users/kroepke/Projects/antlr3/code/antlr/main/lib/ObjC/Framework/examples/scopes/SymbolTable.g:25:1: prog : globals ( method )* ;
- (void) prog
{
    @try {
        // /Users/kroepke/Projects/antlr3/code/antlr/main/lib/ObjC/Framework/examples/scopes/SymbolTable.g:25:9: ( globals ( method )* ) // ruleBlockSingleAlt
        // /Users/kroepke/Projects/antlr3/code/antlr/main/lib/ObjC/Framework/examples/scopes/SymbolTable.g:25:9: globals ( method )* // alt
        {
        [following addObject:FOLLOW_globals_in_prog44];
        [self globals];
        [following removeLastObject];


        do {
            int alt1=2;
            {
            	int LA1_0 = [input LA:1];
            	if ( LA1_0==7 ) {
            		alt1 = 1;
            	}

            }
            switch (alt1) {
        	case 1 :
        	    // /Users/kroepke/Projects/antlr3/code/antlr/main/lib/ObjC/Framework/examples/scopes/SymbolTable.g:25:18: method // alt
        	    {
        	    [following addObject:FOLLOW_method_in_prog47];
        	    [self method];
        	    [following removeLastObject];



        	    }
        	    break;

        	default :
        	    goto loop1;
            }
        } while (YES); loop1: ;


        }

    }
	@catch (ANTLRRecognitionException *re) {
		[self reportError:re];
		[self recover:input exception:re];
	}
	@finally {
		// token labels
		// token+rule list labels
		// rule labels
		// rule refs in alts with rewrites

	}
	return ;
}
// $ANTLR end prog

// $ANTLR start globals
// /Users/kroepke/Projects/antlr3/code/antlr/main/lib/ObjC/Framework/examples/scopes/SymbolTable.g:28:1: globals : ( decl )* ;
- (void) globals
{
    [SymbolTableParser_Symbols_stack addObject:[[[SymbolTableParserSymbolsScope alloc] init] autorelease]];


        level++;
        [[SymbolTableParser_Symbols_stack lastObject] setValue: [[NSMutableArray alloc] init] forKey:@"names"];

    @try {
        // /Users/kroepke/Projects/antlr3/code/antlr/main/lib/ObjC/Framework/examples/scopes/SymbolTable.g:34:9: ( ( decl )* ) // ruleBlockSingleAlt
        // /Users/kroepke/Projects/antlr3/code/antlr/main/lib/ObjC/Framework/examples/scopes/SymbolTable.g:34:9: ( decl )* // alt
        {
        do {
            int alt2=2;
            {
            	int LA2_0 = [input LA:1];
            	if ( LA2_0==14 ) {
            		alt2 = 1;
            	}

            }
            switch (alt2) {
        	case 1 :
        	    // /Users/kroepke/Projects/antlr3/code/antlr/main/lib/ObjC/Framework/examples/scopes/SymbolTable.g:34:10: decl // alt
        	    {
        	    [following addObject:FOLLOW_decl_in_globals79];
        	    [self decl];
        	    [following removeLastObject];



        	    }
        	    break;

        	default :
        	    goto loop2;
            }
        } while (YES); loop2: ;


                NSLog(@"globals: %@", [[SymbolTableParser_Symbols_stack lastObject] valueForKey:@"names"]);
                level--;
                

        }

    }
	@catch (ANTLRRecognitionException *re) {
		[self reportError:re];
		[self recover:input exception:re];
	}
	@finally {
		// token labels
		// token+rule list labels
		// rule labels
		// rule refs in alts with rewrites

		[SymbolTableParser_Symbols_stack removeLastObject];

	}
	return ;
}
// $ANTLR end globals