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/*
Written by Pieter J. Schoenmakers <tiggr@ics.ele.tue.nl>
Copyright (C) 1996 Pieter J. Schoenmakers.
This file is part of TOM. TOM is distributed under the terms of the
TOM License, a copy of which can be found in the TOM distribution; see
the file LICENSE.
$Id: LTIStringCST.m,v 1.9 1998/01/05 00:57:16 tiggr Exp $ */
#define LTISTRINGCST_DECLARE_PRIVATE_METHODS
#import "LTIStringCST.h"
static TLVector *all_strings;
static TLDictionary *strings;
@implementation LTTStringCST (Semantics)
+(id) semanticsForString: (LTTStringCST *) s
{
return [[CO_LTIStringCST gcAlloc] initWithStructure: s];
}
@end
@implementation LTIStringCST
+(TLVector *) allStrings
{
return all_strings;
}
+initialize
{
if (!all_strings)
{
all_strings = [TLVector vector];
[all_strings gcLock];
strings = [TLDictionary dictionary];
[strings gcLock];
}
return self;
}
+(LTIStringCST *) stringForString: (id <TLString>) string
{
return [strings objectForKey: string];
}
+(id <TLEnumerator>) strings
{
return [strings valueEnumerator];
}
+(void) sufferAmnesia
{
strings = nil;
all_strings = nil;
[self initialize];
}
-(LTTStringCST *) structure
{
return structure;
}
-(void) gcReference
{
MARK (structure);
[super gcReference];
}
-initWithStructure: (LTTStringCST *) str
{
if (![super init])
return nil;
structure = str;
[all_strings addElement: self];
if (![strings objectForKey: [structure string]])
[strings setObject: self forKey: [structure string]];
return self;
}
-(void) print: (id <TLMutableStream>) stream quoted: (BOOL) qp
{
formac (stream, @"#<%s %p %@ %@>", class_get_class_name (isa), self,
[structure lttName], [structure string]);
}
@end
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