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      1 // [The "BSD licence"]
      2 // Copyright (c) 2006-2007 Kay Roepke
      3 // All rights reserved.
      4 //
      5 // Redistribution and use in source and binary forms, with or without
      6 // modification, are permitted provided that the following conditions
      7 // are met:
      8 // 1. Redistributions of source code must retain the above copyright
      9 //    notice, this list of conditions and the following disclaimer.
     10 // 2. Redistributions in binary form must reproduce the above copyright
     11 //    notice, this list of conditions and the following disclaimer in the
     12 //    documentation and/or other materials provided with the distribution.
     13 // 3. The name of the author may not be used to endorse or promote products
     14 //    derived from this software without specific prior written permission.
     15 //
     16 // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17 // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19 // IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20 // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     21 // NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     22 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     23 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     24 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     25 // THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26 
     27 #import <Cocoa/Cocoa.h>
     28 #import "ANTLRParser.h"
     29 #import "ANTLRDebugEventListener.h"
     30 #import <sys/socket.h>
     31 #import <netinet/in.h>
     32 #import <netinet/tcp.h>
     33 #include <arpa/inet.h>
     34 
     35 // default port for ANTLRWorks
     36 #define DEFAULT_DEBUGGER_PORT 49001
     37 
     38 @interface ANTLRDebugEventProxy : NSObject <ANTLRDebugEventListener> {
     39 	int serverSocket;
     40 
     41 	struct sockaddr debugger_sockaddr;
     42 	socklen_t debugger_socklen;
     43 	int debuggerSocket;
     44 	NSFileHandle *debuggerFH;
     45 
     46 	NSString *grammarName;
     47 	int debuggerPort;
     48 }
     49 
     50 - (id) init;
     51 - (id) initWithGrammarName:(NSString *)aGrammarName debuggerPort:(NSInteger)aPort;
     52 - (void) waitForDebuggerConnection;
     53 - (void) waitForAck;
     54 - (void) sendToDebugger:(NSString *)message;
     55 - (void) sendToDebugger:(NSString *)message waitForResponse:(BOOL)wait;
     56 
     57 - (NSInteger) serverSocket;
     58 - (void) setServerSocket: (NSInteger) aServerSocket;
     59 
     60 - (NSInteger) debuggerSocket;
     61 - (void) setDebuggerSocket: (NSInteger) aDebuggerSocket;
     62 
     63 - (NSString *) grammarName;
     64 - (void) setGrammarName: (NSString *) aGrammarName;
     65 
     66 - (NSInteger) debuggerPort;
     67 - (void) setDebuggerPort: (NSInteger) aDebuggerPort;
     68 
     69 - (NSString *) escapeNewlines:(NSString *)aString;
     70 
     71 #pragma mark -
     72 
     73 #pragma mark DebugEventListener Protocol
     74 - (void) enterRule:(NSString *)ruleName;
     75 - (void) enterAlt:(NSInteger)alt;
     76 - (void) exitRule:(NSString *)ruleName;
     77 - (void) enterSubRule:(NSInteger)decisionNumber;
     78 - (void) exitSubRule:(NSInteger)decisionNumber;
     79 - (void) enterDecision:(NSInteger)decisionNumber;
     80 - (void) exitDecision:(NSInteger)decisionNumber;
     81 - (void) consumeToken:(id<ANTLRToken>)t;
     82 - (void) consumeHiddenToken:(id<ANTLRToken>)t;
     83 - (void) LT:(NSInteger)i foundToken:(id<ANTLRToken>)t;
     84 - (void) mark:(NSInteger)marker;
     85 - (void) rewind:(NSInteger)marker;
     86 - (void) rewind;
     87 - (void) beginBacktrack:(NSInteger)level;
     88 - (void) endBacktrack:(NSInteger)level wasSuccessful:(BOOL)successful;
     89 - (void) locationLine:(NSInteger)line column:(NSInteger)pos;
     90 - (void) recognitionException:(ANTLRRecognitionException *)e;
     91 - (void) beginResync;
     92 - (void) endResync;
     93 - (void) semanticPredicate:(NSString *)predicate matched:(BOOL)result;
     94 - (void) commence;
     95 - (void) terminate;
     96 
     97 
     98 #pragma mark Tree Parsing
     99 - (void) consumeNode:(unsigned)nodeHash ofType:(NSInteger)type text:(NSString *)text;
    100 - (void) LT:(NSInteger)i foundNode:(unsigned)nodeHash ofType:(NSInteger)type text:(NSString *)text;
    101 
    102 
    103 #pragma mark AST Events
    104 
    105 - (void) createNilNode:(unsigned)hash;
    106 - (void) createNode:(unsigned)hash text:(NSString *)text type:(NSInteger)type;
    107 - (void) createNode:(unsigned)hash fromTokenAtIndex:(NSInteger)tokenIndex;
    108 - (void) makeNode:(unsigned)newRootHash parentOf:(unsigned)oldRootHash;
    109 - (void) addChild:(unsigned)childHash toTree:(unsigned)treeHash;
    110 - (void) setTokenBoundariesForTree:(unsigned)nodeHash From:(NSInteger)tokenStartIndex To:(NSInteger)tokenStopIndex;
    111 
    112 @end
    113