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171 lines
6.9 KiB
171 lines
6.9 KiB
//
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// TokenRewriteStream.h
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// ANTLR
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//
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// Created by Alan Condit on 6/19/10.
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// [The "BSD licence"]
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// Copyright (c) 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 "CommonTokenStream.h"
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#import "LinkBase.h"
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#import "HashMap.h"
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#import "MapElement.h"
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#import "TokenSource.h"
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// Define the rewrite operation hierarchy
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@interface RewriteOperation : CommonTokenStream
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{
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/** What rwIndex into rewrites List are we? */
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NSInteger instructionIndex;
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/** Token buffer rwIndex. */
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NSInteger rwIndex;
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NSString *text;
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}
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@property (getter=getInstructionIndex, setter=setInstructionIndex:) NSInteger instructionIndex;
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@property (assign) NSInteger rwIndex;
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@property (retain, getter=text, setter=setText:) NSString *text;
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+ (RewriteOperation *) newRewriteOperation:(NSInteger)anIndex Text:(NSString *)text;
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- (id) initWithIndex:(NSInteger)anIndex Text:(NSString *)theText;
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/** Execute the rewrite operation by possibly adding to the buffer.
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* Return the rwIndex of the next token to operate on.
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*/
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- (NSInteger) execute:(NSString *)buf;
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- (NSString *)toString;
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- (NSInteger) indexOf:(char)aChar inString:(NSString *)aString;
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@end
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@interface ANTLRInsertBeforeOp : RewriteOperation {
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}
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+ (ANTLRInsertBeforeOp *) newANTLRInsertBeforeOp:(NSInteger)anIndex Text:(NSString *)theText;
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- (id) initWithIndex:(NSInteger)anIndex Text:(NSString *)theText;
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@end
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/** I'm going to try replacing range from x..y with (y-x)+1 ReplaceOp
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* instructions.
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*/
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@interface ANTLRReplaceOp : RewriteOperation {
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NSInteger lastIndex;
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}
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@property (assign) NSInteger lastIndex;
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+ (ANTLRReplaceOp *) newANTLRReplaceOp:(NSInteger)from ToIndex:(NSInteger)to Text:(NSString*)theText;
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- (id) initWithIndex:(NSInteger)from ToIndex:(NSInteger)to Text:(NSString *)theText;
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- (NSInteger) execute:(NSString *)buf;
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- (NSString *)toString;
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@end
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@interface ANTLRDeleteOp : ANTLRReplaceOp {
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}
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+ (ANTLRDeleteOp *) newANTLRDeleteOp:(NSInteger)from ToIndex:(NSInteger)to;
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- (id) initWithIndex:(NSInteger)from ToIndex:(NSInteger)to;
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- (NSString *)toString;
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@end
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@interface TokenRewriteStream : CommonTokenStream {
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/** You may have multiple, named streams of rewrite operations.
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* I'm calling these things "programs."
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* Maps String (name) -> rewrite (List)
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*/
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HashMap *programs;
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/** Map String (program name) -> Integer rwIndex */
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HashMap *lastRewriteTokenIndexes;
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}
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@property (retain, getter=getPrograms, setter=setPrograms:) HashMap *programs;
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@property (retain, getter=getLastRewriteTokenIndexes, setter=setLastRewriteTokenIndexes:) HashMap *lastRewriteTokenIndexes;
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+ (TokenRewriteStream *)newTokenRewriteStream;
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+ (TokenRewriteStream *)newTokenRewriteStream:(id<TokenSource>) aTokenSource;
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+ (TokenRewriteStream *)newTokenRewriteStream:(id<TokenSource>) aTokenSource Channel:(NSInteger)aChannel;
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- (id) init;
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- (id)initWithTokenSource:(id<TokenSource>)aTokenSource;
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- (id)initWithTokenSource:(id<TokenSource>)aTokenSource Channel:(NSInteger)aChannel;
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- (HashMap *)getPrograms;
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- (void)setPrograms:(HashMap *)aProgList;
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- (void) rollback:(NSInteger)instructionIndex;
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- (void) rollback:(NSString *)programName Index:(NSInteger)anInstructionIndex;
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- (void) deleteProgram;
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- (void) deleteProgram:(NSString *)programName;
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- (void) insertAfterToken:(id<Token>)t Text:(NSString *)theText;
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- (void) insertAfterIndex:(NSInteger)anIndex Text:(NSString *)theText;
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- (void) insertAfterProgNam:(NSString *)programName Index:(NSInteger)anIndex Text:(NSString *)theText;
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- (void) insertBeforeToken:(id<Token>)t Text:(NSString *)theText;
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- (void) insertBeforeIndex:(NSInteger)anIndex Text:(NSString *)theText;
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- (void) insertBeforeProgName:(NSString *)programName Index:(NSInteger)anIndex Text:(NSString *)theText;
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- (void) replaceFromIndex:(NSInteger)anIndex Text:(NSString *)theText;
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- (void) replaceFromIndex:(NSInteger)from ToIndex:(NSInteger)to Text:(NSString *)theText;
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- (void) replaceFromToken:(id<Token>)indexT Text:(NSString *)theText;
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- (void) replaceFromToken:(id<Token>)from ToToken:(id<Token>)to Text:(NSString *)theText;
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- (void) replaceProgNam:(NSString *)programName Token:(id<Token>)from Token:(id<Token>)to Text:(NSString *)theText;
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- (void) replaceProgNam:(NSString *)programName FromIndex:(NSInteger)from ToIndex:(NSInteger)to Text:(NSString *)theText;
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- (void) delete:(NSInteger)anIndex;
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- (void) delete:(NSInteger)from ToIndex:(NSInteger)to;
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- (void) deleteToken:(id<Token>)indexT;
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- (void) deleteFromToken:(id<Token>)from ToToken:(id<Token>)to;
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- (void) delete:(NSString *)programName FromToken:(id<Token>)from ToToken:(id<Token>)to;
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- (void) delete:(NSString *)programName FromIndex:(NSInteger)from ToIndex:(NSInteger)to;
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- (NSInteger)getLastRewriteTokenIndex;
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- (NSInteger)getLastRewriteTokenIndex:(NSString *)programName;
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- (void)setLastRewriteTokenIndex:(NSString *)programName Index:(NSInteger)anInt;
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- (HashMap *) getProgram:(NSString *)name;
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- (HashMap *) initializeProgram:(NSString *)name;
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- (NSString *)toOriginalString;
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- (NSString *)toOriginalString:(NSInteger)start End:(NSInteger)end;
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- (NSString *)toString;
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- (NSString *)toString:(NSString *)programName;
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- (NSString *)toStringFromStart:(NSInteger)start ToEnd:(NSInteger)end;
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- (NSString *)toString:(NSString *)programName FromStart:(NSInteger)start ToEnd:(NSInteger)end;
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- (HashMap *)reduceToSingleOperationPerIndex:(HashMap *)rewrites;
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- (HashMap *)getKindOfOps:(HashMap *)rewrites KindOfClass:(Class)kind;
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- (HashMap *)getKindOfOps:(HashMap *)rewrites KindOfClass:(Class)kind Index:(NSInteger)before;
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- (NSString *)catOpText:(id)a PrevText:(id)b;
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- (NSMutableString *)toDebugString;
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- (NSMutableString *)toDebugStringFromStart:(NSInteger)start ToEnd:(NSInteger)end;
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@end
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