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/**
STExecutionContext.h
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 <Foundation/NSObject.h>
@class STStack;
@class STBytecodes;
@class STMethodContext;
@interface STExecutionContext:NSObject
{
unsigned contextId; /* for debugging */
STStack *stack;
unsigned instructionPointer;
}
- initWithStackSize:(unsigned)stackSize;
- (void)invalidate;
- (BOOL)isValid;
- (STMethodContext *)homeContext;
- (void)setHomeContext:(STMethodContext *)context;
- (BOOL)isBlockContext;
- (unsigned)instructionPointer;
- (void)setInstructionPointer:(unsigned)value;
- (STBytecodes *)bytecodes;
- (STStack *)stack;
- (id)temporaryAtIndex:(unsigned)index;
- (void)setTemporary:anObject atIndex:(unsigned)index;
- (NSString *)referenceNameAtIndex:(unsigned)index;
- (id)literalObjectAtIndex:(unsigned)index;
- (id)receiver;
@end
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