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https://github.com/gnustep/libs-steptalk.git
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3854adf0a6
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/steptalk/trunk@17458 72102866-910b-0410-8b05-ffd578937521
112 lines
3 KiB
Objective-C
112 lines
3 KiB
Objective-C
/**
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SmalltalkEngine
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Copyright (c) 2002 Free Software Foundation
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Written by: Stefan Urbanek <urbanek@host.sk>
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Date: 2001 Oct 24
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This file is part of the StepTalk project.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02111, USA.
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*/
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#import "SmalltalkEngine.h"
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#import "STCompiler.h"
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#import "STCompiledCode.h"
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#import "STCompiledMethod.h"
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#import "STCompiledScript.h"
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#import "STBytecodeInterpreter.h"
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#import <StepTalk/STEnvironment.h>
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#import <StepTalk/STMethod.h>
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#import <Foundation/NSDebug.h>
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#import <Foundation/NSException.h>
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@implementation SmalltalkEngine
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- (BOOL)canExecuteCode:(NSString *)sourceCode
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{
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STCompiler *compiler;
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STCompiledScript *script = nil;
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BOOL retval = NO;
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compiler = [[STCompiler alloc] init];
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NS_DURING
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script = [compiler compileString:sourceCode];
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NS_HANDLER
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NSLog(@"Smalltalk: Ignoring: %@", [localException reason]);
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NS_ENDHANDLER
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if(script)
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{
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retval = YES;
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}
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RELEASE(compiler);
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return retval;
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}
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- (id) executeCode:(NSString *)sourceCode
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inEnvironment:(STEnvironment *)env
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{
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STCompiler *compiler;
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STCompiledScript *script;
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id retval = nil;
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compiler = [[STCompiler alloc] init];
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[compiler setEnvironment:env];
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AUTORELEASE(compiler);
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script = [compiler compileString:sourceCode];
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retval = [script executeInEnvironment:env];
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return retval;
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}
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- (id <STMethod>)methodFromSource:(NSString *)sourceString
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forReceiver:(id)receiver
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inEnvironment:(STEnvironment *)env
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{
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STCompiler *compiler;
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id <STMethod> method;
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compiler = [STCompiler compilerWithEnvironment:env];
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method = [compiler compileMethodFromSource:sourceString
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forReceiver:receiver];
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return method;
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}
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- (id) executeMethod:(id <STMethod>)aMethod
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forReceiver:(id)anObject
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withArguments:(NSArray *)args
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inEnvironment:(STEnvironment *)env
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{
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STBytecodeInterpreter *interpreter;
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id result;
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interpreter = [STBytecodeInterpreter interpreterWithEnvrionment:env];
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result = [interpreter interpretMethod:(STCompiledMethod *)aMethod
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forReceiver:anObject
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arguments:args];
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return result;
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}
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@end
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