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88 lines
3.5 KiB
88 lines
3.5 KiB
// [The "BSD licence"]
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// Copyright (c) 2006-2007 Kay Roepke 2010 Alan Condit
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// 3. The name of the author may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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// IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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// NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#import <Foundation/Foundation.h>
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#import "BaseRecognizer.h"
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#import "TreeNodeStream.h"
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#import "CommonTreeAdaptor.h"
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#import "MismatchedTreeNodeException.h"
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@interface TreeParser : BaseRecognizer {
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id<TreeNodeStream> input;
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}
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@property (retain, getter=input, setter=setInput:) id<TreeNodeStream> input;
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+ (id) newTreeParser:(id<TreeNodeStream>)anInput;
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+ (id) newTreeParser:(id<TreeNodeStream>)anInput State:(RecognizerSharedState *)state;
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- (id) initWithStream:(id<TreeNodeStream>)theInput;
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- (id) initWithStream:(id<TreeNodeStream>)theInput
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State:(RecognizerSharedState *)state;
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- (id<TreeNodeStream>)input;
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- (void) setInput:(id<TreeNodeStream>)anInput;
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- (void) setTreeNodeStream:(id<TreeNodeStream>) anInput;
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- (id<TreeNodeStream>) getTreeNodeStream;
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- (NSString *)getSourceName;
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- (id) getCurrentInputSymbol:(id<IntStream>) anInput;
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- (id) getMissingSymbol:(id<IntStream>)input
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Exception:(RecognitionException *) e
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ExpectedToken:(NSInteger) expectedTokenType
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BitSet:(ANTLRBitSet *)follow;
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/** Match '.' in tree parser has special meaning. Skip node or
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* entire tree if node has children. If children, scan until
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* corresponding UP node.
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*/
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- (void) matchAny:(id<IntStream>)ignore;
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/** We have DOWN/UP nodes in the stream that have no line info; override.
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* plus we want to alter the exception type. Don't try to recover
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* from tree parser errors inline...
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*/
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- (id) recoverFromMismatchedToken:(id<IntStream>)anInput
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Type:(NSInteger)ttype
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Follow:(ANTLRBitSet *)follow;
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/** Prefix error message with the grammar name because message is
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* always intended for the programmer because the parser built
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* the input tree not the user.
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*/
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- (NSString *)getErrorHeader:(RecognitionException *)e;
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- (NSString *)getErrorMessage:(RecognitionException *)e TokenNames:(AMutableArray *) tokenNames;
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- (void) traceIn:(NSString *)ruleName Index:(NSInteger)ruleIndex;
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- (void) traceOut:(NSString *)ruleName Index:(NSInteger)ruleIndex;
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@end
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