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// [The "BSD licence"]
// Copyright (c) 2006-2007 Kay Roepke 2010 Alan Condit
// 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 "ANTLRRecognitionException.h"
#import "ANTLRTokenStream.h"
#import "ANTLRTreeNodeStream.h"
@implementation ANTLRRecognitionException
@synthesize input;
@synthesize token;
@synthesize node;
@synthesize line;
@synthesize charPositionInLine;
+ (id) newException
{
return [[ANTLRRecognitionException alloc] init];
}
+ (id) newException:(id<ANTLRIntStream>) anInputStream
{
return [[ANTLRRecognitionException alloc] initWithStream:anInputStream];
}
+ (id) newException:(id<ANTLRIntStream>) anInputStream reason:(NSString *)aReason
{
return [[ANTLRRecognitionException alloc] initWithStream:anInputStream reason:aReason];
}
- (id) init
{
self = [super initWithName:@"Recognition Exception" reason:@"Recognition Exception" userInfo:nil];
if ( self != nil ) {
}
return self;
}
- (id) initWithStream:(id<ANTLRIntStream>)anInputStream reason:(NSString *)aReason
{
self = [super initWithName:NSStringFromClass([self class]) reason:aReason userInfo:nil];
if ( self != nil ) {
[self setStream:anInputStream];
index = input.index;
Class inputClass = [input class];
if ([inputClass conformsToProtocol:@protocol(ANTLRTokenStream)]) {
[self setToken:[(id<ANTLRTokenStream>)input LT:1]];
line = token.line;
charPositionInLine = token.charPositionInLine;
} else if ([inputClass conformsToProtocol:@protocol(ANTLRCharStream)]) {
c = (unichar)[input LA:1];
line = ((id<ANTLRCharStream>)input).line;
charPositionInLine = ((id<ANTLRCharStream>)input).charPositionInLine;
} else if ([inputClass conformsToProtocol:@protocol(ANTLRTreeNodeStream)]) {
[self setNode:[(id<ANTLRTreeNodeStream>)input LT:1]];
line = [node line];
charPositionInLine = [node charPositionInLine];
} else {
c = (unichar)[input LA:1];
}
}
return self;
}
- (id) initWithStream:(id<ANTLRIntStream>)anInputStream
{
self = [super initWithName:NSStringFromClass([self class]) reason:@"Runtime Exception" userInfo:nil];
if ( self != nil ) {
}
return self;
}
- (id) initWithName:(NSString *)aName reason:(NSString *)aReason userInfo:(NSDictionary *)aUserInfo
{
self = [super initWithName:aName reason:aReason userInfo:aUserInfo];
if ( self != nil ) {
}
return self;
}
- (void) dealloc
{
#ifdef DEBUG_DEALLOC
NSLog( @"called dealloc in ANTLRRecognitionException" );
#endif
if ( input ) [input release];
if ( token ) [token release];
if ( node ) [node release];
[super dealloc];
}
- (NSInteger) unexpectedType
{
if (token) {
return token.type;
} else if (node) {
return [node type];
} else {
return c;
}
}
- (id<ANTLRToken>)getUnexpectedToken
{
return token;
}
- (NSString *) description
{
//NSMutableString *desc = [[NSMutableString alloc] initWithString:NSStringFromClass([self class])];
NSMutableString *desc = [NSMutableString stringWithString:[self className]];
if (token) {
[desc appendFormat:@" token:%@", token];
} else if (node) {
[desc appendFormat:@" node:%@", node];
} else {
[desc appendFormat:@" char:%c", c];
}
[desc appendFormat:@" line:%d position:%d", line, charPositionInLine];
return desc;
}
//----------------------------------------------------------
// input
//----------------------------------------------------------
- (id<ANTLRIntStream>) getStream
{
return input;
}
- (void) setStream: (id<ANTLRIntStream>) aStream
{
if ( input != aStream ) {
if ( input ) [input release];
if ( aStream ) [aStream retain];
input = aStream;
}
}
//----------------------------------------------------------
// token
//----------------------------------------------------------
- (id<ANTLRToken>) getToken
{
return token;
}
- (void) setToken: (id<ANTLRToken>) aToken
{
if (token != aToken) {
if ( token ) [token release];
if ( aToken ) [aToken retain];
token = aToken;
}
}
//----------------------------------------------------------
// node
//----------------------------------------------------------
- (id<ANTLRBaseTree>) getNode
{
return node;
}
- (void) setNode: (id<ANTLRBaseTree>) aNode
{
if (node != aNode) {
if ( node ) [node release];
if ( aNode ) [aNode retain];
node = aNode;
}
}
- (NSString *)getMessage
{
return @"Fix getMessage in ANTLRRecognitionException";
}
- (NSUInteger)charPositionInLine
{
return charPositionInLine;
}
- (void)setCharPositionInLine:(NSUInteger)aPos
{
charPositionInLine = aPos;
}
@synthesize index;
@synthesize c;
@end
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