libs-steptalk/Languages/Smalltalk/STBlockContext.m
Stefan Urbanek 03e911003b Fixed exception reporting in STCompiler
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/steptalk/trunk@16377 72102866-910b-0410-8b05-ffd578937521
2003-04-06 12:59:13 +00:00

118 lines
2.5 KiB
Objective-C

/**
STBlockContext.m
Copyright (c) 2002 Free Software Foundation
This file is part of the StepTalk project.
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 2 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02111, USA.
*/
#import "STBlockContext.h"
#import "STStack.h"
#import "STBytecodeInterpreter.h"
#import "STBytecodes.h"
#import "STMethodContext.h"
#import <StepTalk/STExterns.h>
#import <Foundation/NSDebug.h>
#import <Foundation/NSException.h>
#import <Foundation/NSString.h>
@implementation STBlockContext
- initWithInterpreter:(STBytecodeInterpreter *)anInterpreter
initialIP:(unsigned)pointer
stackSize:(unsigned)size
{
[super initWithStackSize:size];
interpreter = RETAIN(anInterpreter);
initialIP = pointer;
instructionPointer = initialIP;
return self;
}
- (void)dealloc
{
RELEASE(interpreter);
[super dealloc];
}
- (BOOL)isBlockContext
{
return YES;
}
- (void)setHomeContext:(STMethodContext *)context
{
ASSIGN(homeContext,context);
}
- (STMethodContext *)homeContext
{
return homeContext;
}
- (void)invalidate
{
[self setHomeContext:nil];
}
- (BOOL)isValid
{
return [homeContext isValid];
}
- (unsigned)initialIP
{
return initialIP;
}
- temporaryAtIndex:(unsigned)index;
{
return [homeContext temporaryAtIndex:index];
}
- (void)setTemporary:anObject atIndex:(unsigned)index;
{
[homeContext setTemporary:anObject atIndex:index];
}
- externAtIndex:(unsigned)index;
{
return [homeContext externAtIndex:index];
}
- (void)setExtern:anObject atIndex:(unsigned)index;
{
[homeContext setExtern:anObject atIndex:index];
}
- (STBytecodes *)bytecodes
{
return [homeContext bytecodes];
}
- (id)literalObjectAtIndex:(unsigned)index
{
return [homeContext literalObjectAtIndex:index];
}
- (id)receiver
{
return [homeContext receiver];
}
- (void)resetInstructionPointer
{
instructionPointer = initialIP;
}
@end