| // [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 "ANTLRDebugTreeAdaptor.h" |
| |
| |
| @implementation ANTLRDebugTreeAdaptor |
| |
| |
| - (id) initWithTreeAdaptor:(ANTLRCommonTreeAdaptor *)aTreeAdaptor debugListener:(id<ANTLRDebugEventListener>)aDebugListener |
| { |
| self = [super init]; |
| if (self) { |
| [self setDebugListener:aDebugListener]; |
| [self setTreeAdaptor:aTreeAdaptor]; |
| } |
| return self; |
| } |
| |
| - (void) dealloc |
| { |
| [self setDebugListener: nil]; |
| [self setTreeAdaptor: nil]; |
| [super dealloc]; |
| } |
| |
| - (id<ANTLRDebugEventListener>) debugListener |
| { |
| return debugListener; |
| } |
| |
| - (void) setDebugListener: (id<ANTLRDebugEventListener>) aDebugListener |
| { |
| if (debugListener != aDebugListener) { |
| [(id<ANTLRTreeAdaptor,NSObject>)aDebugListener retain]; |
| [(id<ANTLRTreeAdaptor,NSObject>)debugListener release]; |
| debugListener = aDebugListener; |
| } |
| } |
| |
| - (ANTLRCommonTreeAdaptor *) getTreeAdaptor |
| { |
| return treeAdaptor; |
| } |
| |
| - (void) setTreeAdaptor: (ANTLRCommonTreeAdaptor *) aTreeAdaptor |
| { |
| if (treeAdaptor != aTreeAdaptor) { |
| [aTreeAdaptor retain]; |
| [treeAdaptor release]; |
| treeAdaptor = aTreeAdaptor; |
| } |
| } |
| |
| #pragma mark - |
| #pragma mark Proxy implementation |
| |
| // anything else that hasn't some debugger event assicioated with it, is simply |
| // forwarded to the actual token stream |
| - (void) forwardInvocation:(NSInvocation *)anInvocation |
| { |
| [anInvocation invokeWithTarget:[self getTreeAdaptor]]; |
| } |
| |
| #pragma mark - |
| |
| #pragma mark Construction |
| |
| - (id<ANTLRBaseTree>) newANTLRTreeWithToken:(id<ANTLRToken>) payload |
| { |
| id<ANTLRBaseTree> newTree = [ANTLRCommonTree newTreeWithToken:payload]; |
| [debugListener createNode:[treeAdaptor uniqueIdForTree:newTree] fromTokenAtIndex:[payload getTokenIndex]]; |
| return newTree; |
| } |
| |
| - (id<ANTLRBaseTree>) emptyTree |
| { |
| id<ANTLRBaseTree> newTree = [treeAdaptor newEmptyTree]; |
| [debugListener createNilNode:[treeAdaptor uniqueIdForTree:newTree]]; |
| return newTree; |
| } |
| |
| /* We don't have debug events for those: |
| - (id) copyNode:(id<ANTLRBaseTree>)aNode |
| { |
| } |
| - (id) copyTree:(id<ANTLRBaseTree>)aTree |
| { |
| } |
| */ |
| |
| - (void) addChild:(id<ANTLRBaseTree>)child toTree:(id<ANTLRBaseTree>)aTree |
| { |
| [treeAdaptor addChild:child toTree:aTree]; |
| [debugListener addChild:[treeAdaptor uniqueIdForTree:child] toTree:[self uniqueIdForTree:aTree]]; |
| } |
| |
| - (id<ANTLRBaseTree>) becomeRoot:(id<ANTLRBaseTree>)newRoot old:(id<ANTLRBaseTree>)oldRoot |
| { |
| id<ANTLRBaseTree> newTree = [treeAdaptor becomeRoot:newRoot old:oldRoot]; |
| [debugListener becomeRoot:[treeAdaptor uniqueIdForTree:newTree] old:[self uniqueIdForTree:oldRoot]]; |
| return newTree; |
| } |
| |
| /* handle by forwardInvocation: |
| - (NSUInteger) uniqueIdForTree:(id<ANTLRBaseTree>)aNode |
| { |
| } |
| */ |
| |
| #pragma mark Rewrite Rules |
| |
| - (void) addTokenAsChild:(id<ANTLRToken>)child toTree:(id<ANTLRBaseTree>)aTree |
| { |
| id<ANTLRBaseTree> newChild = [self newANTLRTreeWithToken:child]; |
| [self addChild:newChild toTree:aTree]; |
| } |
| |
| - (id<ANTLRBaseTree>) makeToken:(id<ANTLRToken>)newRoot parentOf:(id<ANTLRBaseTree>)oldRoot |
| { |
| id<ANTLRBaseTree> newNode = [self newANTLRTreeWithToken:newRoot]; |
| return [self becomeRoot:newNode old:oldRoot]; |
| } |
| |
| - (id<ANTLRBaseTree>) newANTLRTreeWithTokenType:(NSInteger)tokenType |
| { |
| id<ANTLRBaseTree> newTree = [treeAdaptor newANTLRTreeWithTokenType:tokenType]; |
| [debugListener createNode:[treeAdaptor uniqueIdForTree:newTree] text:nil type:tokenType]; |
| return newTree; |
| } |
| |
| - (id<ANTLRBaseTree>) newANTLRTreeWithTokenType:(NSInteger)tokenType text:(NSString *)tokenText |
| { |
| id<ANTLRBaseTree> newTree = [treeAdaptor newANTLRTreeWithTokenType:tokenType text:tokenText]; |
| [debugListener createNode:[treeAdaptor uniqueIdForTree:newTree] text:tokenText type:tokenType]; |
| return newTree; |
| } |
| - (id<ANTLRBaseTree>) newANTLRTreeWithToken:(id<ANTLRToken>)fromToken tokenType:(NSInteger)tokenType |
| { |
| id<ANTLRBaseTree> newTree = [treeAdaptor newANTLRTreeWithToken:fromToken tokenType:tokenType]; |
| [debugListener createNode:[treeAdaptor uniqueIdForTree:newTree] text:fromToken.text type:tokenType]; |
| return newTree; |
| } |
| |
| - (id<ANTLRBaseTree>) newANTLRTreeWithToken:(id<ANTLRToken>)fromToken tokenType:(NSInteger)tokenType text:(NSString *)tokenText |
| { |
| id<ANTLRBaseTree> newTree = [treeAdaptor newANTLRTreeWithToken:fromToken tokenType:tokenType text:tokenText]; |
| [debugListener createNode:[treeAdaptor uniqueIdForTree:newTree] text:tokenText type:tokenType]; |
| return newTree; |
| } |
| |
| - (id<ANTLRBaseTree>) newANTLRTreeWithToken:(id<ANTLRToken>)fromToken text:(NSString *)tokenText |
| { |
| id<ANTLRBaseTree> newTree = [treeAdaptor newANTLRTreeWithToken:fromToken text:tokenText]; |
| [debugListener createNode:[treeAdaptor uniqueIdForTree:newTree] text:tokenText type:fromToken.type]; |
| return newTree; |
| } |
| |
| #pragma mark Content |
| |
| /* handled by forwardInvocation: |
| - (NSInteger) tokenTypeForNode:(id<ANTLRBaseTree>)aNode |
| { |
| } |
| |
| - (void) setTokenType:(NSInteger)tokenType forNode:(id)aNode |
| { |
| } |
| |
| - (NSString *) textForNode:(id<ANTLRBaseTree>)aNode |
| { |
| } |
| |
| - (void) setText:(NSString *)tokenText forNode:(id<ANTLRBaseTree>)aNode |
| { |
| } |
| */ |
| - (void) setBoundariesForTree:(id<ANTLRBaseTree>)aTree fromToken:(id<ANTLRToken>)startToken toToken:(id<ANTLRToken>)stopToken |
| { |
| [treeAdaptor setBoundariesForTree:aTree fromToken:startToken toToken:stopToken]; |
| if (aTree && startToken && stopToken) { |
| [debugListener setTokenBoundariesForTree:[aTree hash] From:[startToken getTokenIndex] To:[stopToken getTokenIndex]]; |
| } |
| } |
| /* handled by forwardInvocation: |
| - (NSInteger) tokenStartIndexForTree:(id<ANTLRBaseTree>)aTree |
| { |
| } |
| |
| - (NSInteger) tokenStopIndexForTree:(id<ANTLRBaseTree>)aTree |
| { |
| } |
| */ |
| |
| #pragma mark Navigation / Tree Parsing |
| /* handled by forwardInvocation: |
| - (id<ANTLRBaseTree>) childForNode:(id<ANTLRBaseTree>) aNode atIndex:(NSInteger) i |
| { |
| } |
| |
| - (NSInteger) childCountForTree:(id<ANTLRBaseTree>) aTree |
| { |
| } |
| */ |
| |
| @end |