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// [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
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