| // [The "BSD licence"] |
| // Copyright (c) 2006-2007 Kay Roepke |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions |
| // are met: |
| // 1. Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // 2. Redistributions in binary form must reproduce the above copyright |
| // notice, this list of conditions and the following disclaimer in the |
| // documentation and/or other materials provided with the distribution. |
| // 3. The name of the author may not be used to endorse or promote products |
| // derived from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| // IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| // IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| // NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| // THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #import "ANTLRDebugParser.h" |
| |
| |
| @implementation ANTLRDebugParser |
| |
| - (id) initWithTokenStream:(id<ANTLRTokenStream>)theStream |
| { |
| return [self initWithTokenStream:theStream debugListener:nil debuggerPort:-1]; |
| } |
| |
| - (id) initWithTokenStream:(id<ANTLRTokenStream>)theStream |
| debuggerPort:(NSInteger)portNumber |
| { |
| return [self initWithTokenStream:theStream debugListener:nil debuggerPort:portNumber]; |
| } |
| |
| - (id) initWithTokenStream:(id<ANTLRTokenStream>)theStream |
| debugListener:(id<ANTLRDebugEventListener>)theDebugListener |
| debuggerPort:(NSInteger)portNumber |
| { |
| id<ANTLRDebugEventListener,NSObject> debugger = nil; |
| id<ANTLRTokenStream> tokenStream = nil; |
| if (theDebugListener) { |
| debugger = [(id<ANTLRDebugEventListener,NSObject>)theDebugListener retain]; |
| debugger = theDebugListener; |
| } else { |
| debugger = [[ANTLRDebugEventProxy alloc] initWithGrammarName:[self grammarFileName] debuggerPort:portNumber]; |
| } |
| if (theStream && ![theStream isKindOfClass:[ANTLRDebugTokenStream class]]) { |
| tokenStream = [[ANTLRDebugTokenStream alloc] initWithTokenStream:theStream debugListener:debugger]; |
| } else { |
| tokenStream = [theStream retain]; |
| tokenStream = theStream; |
| } |
| self = [super initWithTokenStream:tokenStream]; |
| if (self) { |
| [self setDebugListener:debugger]; |
| [debugger release]; |
| [tokenStream release]; |
| [debugListener waitForDebuggerConnection]; |
| } |
| return self; |
| } |
| |
| - (void) dealloc |
| { |
| [self setDebugListener: nil]; |
| [super dealloc]; |
| } |
| |
| - (id<ANTLRDebugEventListener>) debugListener |
| { |
| return debugListener; |
| } |
| |
| - (void) setDebugListener: (id<ANTLRDebugEventListener>) aDebugListener |
| { |
| if (debugListener != aDebugListener) { |
| [(id<ANTLRDebugEventListener,NSObject>)aDebugListener retain]; |
| [(id<ANTLRDebugEventListener,NSObject>)debugListener release]; |
| debugListener = aDebugListener; |
| } |
| } |
| |
| #pragma mark - |
| #pragma mark Overrides |
| |
| - (void) beginResync |
| { |
| [debugListener beginResync]; |
| } |
| |
| - (void) endResync |
| { |
| [debugListener endResync]; |
| } |
| - (void)beginBacktracking:(NSInteger)level |
| { |
| [debugListener beginBacktrack:level]; |
| } |
| |
| - (void)endBacktracking:(NSInteger)level wasSuccessful:(BOOL)successful |
| { |
| [debugListener endBacktrack:level wasSuccessful:successful]; |
| } |
| |
| @end |