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/**
STMethodContext.m
Copyright (c) 2002 Free Software Foundation
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 "STMethodContext.h"
#import "STBytecodes.h"
#import "STCompiledMethod.h"
#import "STLiterals.h"
#import "STStack.h"
#import <StepTalk/STExterns.h>
#import <Foundation/NSArray.h>
#import <Foundation/NSDebug.h>
#import <Foundation/NSException.h>
@implementation STMethodContext
+ methodContextWithMethod:(STCompiledMethod *)newMethod
{
return AUTORELEASE([[self alloc] initWithMethod:newMethod]);
}
- initWithMethod:(STCompiledMethod *)newMethod
{
if ((self = [super initWithStackSize:[newMethod stackSize]]) != nil)
{
NSUInteger tempCount;
NSUInteger i;
method = RETAIN(newMethod);
tempCount = [method temporariesCount];
temporaries = [[NSMutableArray alloc] initWithCapacity:tempCount];
for (i=0; i<tempCount; i++)
{
[temporaries insertObject:STNil atIndex:i];
}
}
return self;
}
- (void)dealloc
{
RELEASE(temporaries);
RELEASE(method);
[super dealloc];
}
- (BOOL)isBlockContext
{
return NO;
}
- (STMethodContext *)homeContext
{
return self;
}
- (void)setHomeContext:(STMethodContext *)context
{
[NSException raise:STInternalInconsistencyException
format:@"Should not set home context of method context"];
}
- (STCompiledMethod*)method
{
return method;
}
- (void)setReceiver:anObject
{
receiver = anObject;
}
- (id)receiver
{
return receiver;
}
- (id)temporaryAtIndex:(NSUInteger)index
{
return [temporaries objectAtIndex:index];
}
- (void)setTemporary:anObject atIndex:(NSUInteger)index
{
if(!anObject)
{
anObject = STNil;
}
[temporaries replaceObjectAtIndex:index withObject:anObject];
}
- (NSString *)referenceNameAtIndex:(NSUInteger)index
{
return [[method namedReferences] objectAtIndex:index];
}
- (STBytecodes *)bytecodes
{
return [method bytecodes];
}
- (id)literalObjectAtIndex:(NSUInteger)index
{
return [method literalObjectAtIndex:index];
}
- (void)setArgumentsFromArray:(NSArray *)args
{
NSUInteger i;
NSUInteger count;
count = [args count];
for(i=0;i<count;i++)
{
[self setTemporary:[args objectAtIndex:i] atIndex:i];
}
}
@end
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