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/**
SmalltalkEngine
Copyright (c) 2002 Free Software Foundation
Written by: Stefan Urbanek <urbanek@host.sk>
Date: 2001 Oct 24
This file is part of the StepTalk project.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#import "SmalltalkEngine.h"
#import "STCompiler.h"
#import "STCompiledCode.h"
#import "STCompiledMethod.h"
#import "STCompiledScript.h"
#import "STBytecodeInterpreter.h"
#import <StepTalk/STContext.h>
#import <StepTalk/STEnvironment.h>
#import <StepTalk/STMethod.h>
#import <Foundation/NSDebug.h>
#import <Foundation/NSException.h>
@implementation SmalltalkEngine
- (BOOL)canInterpret:(NSString *)sourceCode
{
STCompiler *compiler;
STCompiledScript *script = nil;
BOOL retval = NO;
compiler = [[STCompiler alloc] init];
NS_DURING
script = [compiler compileString:sourceCode];
NS_HANDLER
NSLog(@"Smalltalk: Ignoring: %@", [localException reason]);
NS_ENDHANDLER
if(script)
{
retval = YES;
}
RELEASE(compiler);
return retval;
}
- (id) executeCode:(NSString *)sourceCode
inEnvironment:(STEnvironment *)env
{
NSLog(@"%@ is deprecated, use interpretScript:inContext: instead",
NSStringFromSelector(_cmd));
return [self interpretScript:sourceCode inContext:env];
}
- (id)interpretScript:(NSString *)script
inContext:(STContext *)context
{
STCompiler *compiler;
STCompiledScript *compiledScript;
id retval = nil;
compiler = [STCompiler compilerWithEnvironment:context];
compiledScript = [compiler compileString:script];
retval = [compiledScript executeInEnvironment:context];
return retval;
}
- (id <STMethod>)methodFromSource:(NSString *)sourceString
forReceiver:(id)receiver
inEnvironment:(STEnvironment *)env
{
NSLog(@"%@ is deprecated, use methodFromSource:forReceiver:inContext: instead",
NSStringFromSelector(_cmd));
return [self methodFromSource:sourceString
forReceiver:receiver
inContext:env];
}
- (id <STMethod>)methodFromSource:(NSString *)sourceString
forReceiver:(id)receiver
inContext:(STContext *)context
{
STCompiler *compiler;
id <STMethod> method;
compiler = [STCompiler compilerWithEnvironment:context];
method = [compiler compileMethodFromSource:sourceString
forReceiver:receiver];
return method;
}
- (id) executeMethod:(id <STMethod>)aMethod
forReceiver:(id)anObject
withArguments:(NSArray *)args
inEnvironment:(STEnvironment *)env
{
NSLog(@"%@ is deprecated, use ...inContext: instead",
NSStringFromSelector(_cmd));
return [self executeMethod:aMethod
forReceiver:anObject
withArguments:args
inContext:env];
}
- (id) executeMethod:(id <STMethod>)aMethod
forReceiver:(id)anObject
withArguments:(NSArray *)args
inContext:(STContext *)context
{
STBytecodeInterpreter *interpreter;
id result;
interpreter = [STBytecodeInterpreter interpreterWithEnvrionment:context];
result = [interpreter interpretMethod:(STCompiledMethod *)aMethod
forReceiver:anObject
arguments:args];
return result;
}
@end
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