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/* -*- mode: objc; coding: utf-8 -*- */
/* Étoilisp/Mulklisp, a Common Lisp subset for the Étoilé runtime.
* Copyright (C) 2008 Matthias Andreas Benkard.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#import "MLKCons.h"
#import "MLKInterpretedClosure.h"
#import "MLKInterpreter.h"
#import "MLKPackage.h"
#import "runtime-compatibility.h"
#import "util.h"
#import <Foundation/NSDictionary.h>
#import <Foundation/NSSet.h>
static MLKSymbol *PROGN;
@implementation MLKInterpretedClosure
+(void) initialize
{
MLKPackage *cl;
cl = [MLKPackage findPackage:@"COMMON-LISP"];
PROGN = [cl intern:@"PROGN"];
}
-(id) initWithBodyForms:(id)forms
lambdaListName:(MLKSymbol *)symbol
context:(MLKLexicalContext *)lexctx
environment:(MLKLexicalEnvironment *)lexenv
{
self = [super init];
ASSIGN (bodyForm, [MLKCons cons:PROGN with:forms]);
ASSIGN (context, lexctx);
ASSIGN (environment, lexenv);
ASSIGN (lambdaListName, symbol);
return self;
}
-(NSArray *) applyToArray:(NSArray *)arguments
{
id arglist = [MLKCons listWithArray:arguments];
MLKLexicalEnvironment *new_environment =
[MLKLexicalEnvironment environmentWithParent:environment
variables:[NSDictionary dictionaryWithObject:nullify(arglist)
forKey:lambdaListName]
functions:nil];
MLKLexicalContext *new_context =
[MLKLexicalContext contextWithParent:context
variables:[NSSet setWithObject:lambdaListName]
functions:nil
goTags:nil
macros:nil
compilerMacros:nil
symbolMacros:nil
declarations:nil];
return [MLKInterpreter eval:bodyForm
inLexicalContext:new_context
withEnvironment:new_environment];
}
-(NSString *) description
{
return [self descriptionForLisp];
}
-(NSString *) descriptionForLisp
{
return [NSString stringWithFormat:@"<Interpreted closure @%p>", self];
}
@end
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