mirror of
https://github.com/gnustep/libs-steptalk.git
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7f4a3ef104
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/steptalk/trunk@34535 72102866-910b-0410-8b05-ffd578937521
95 lines
3.2 KiB
Objective-C
95 lines
3.2 KiB
Objective-C
/**
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STBytecodes.h
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Copyright (c) 2002 Free Software Foundation
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This file is part of the StepTalk project.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#import <Foundation/NSObject.h>
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/* Bytecode table */
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/*
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#define STReceiverConstant 0x00
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#define STTrueConstant 0x01
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#define STFalseConstant 0x02
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#define STNilConstant 0x03
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*/
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#define STPushReceiverBytecode 0x00 /* push self */
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#define STPushNilBytecode 0x01
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#define STPushTrueBytecode 0x02
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#define STPushFalseBytecode 0x03
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/* 0x00 - 0x07 receiver,true,false,nil,
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-1,0,1,2 */
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#define STPushRecVarBytecode 0x08 /* recvar index */
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#define STPushExternBytecode 0x09 /* extern index */
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#define STPushTemporaryBytecode 0x0a /* temp index */
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#define STPushLiteralBytecode 0x0b /* lit index */
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#define STPopAndStoreRecVarBytecode 0x0c /* recvar index */
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#define STPopAndStoreExternBytecode 0x0d /* extern index */
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#define STPopAndStoreTempBytecode 0x0e /* temp index */
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/* 0x0f reserved */
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#define STSendSelectorBytecode 0x10 /* lit index, arg count */
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#define STSuperSendSelectorBytecode 0x11 /* lit index, arg count */
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#define STBlockCopyBytecode 0x12
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#define STLongJumpBytecode 0x13 /* byte 1, byte 2 */
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#define STDupBytecode 0x14
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#define STPopStackBytecode 0x15
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#define STReturnBytecode 0x16
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#define STReturnBlockBytecode 0x17
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/* 0x18-0x27 reserved single bytecodes */
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/* 0x27-0xfe reserved */
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#define STBreakpointBytecode 0xff
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/*
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#define STLongJumpOffset(arg1, arg2) \
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( (((arg1) & 0xff) << 8) | ((arg2) & 0xff) )
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#define STLongJumpFirstByte(offset)\
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( ((offset) >> 8) & 0xff )
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#define STLongJumpSecondByte(offset)\
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( (offset) & 0xff )
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*/
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#define STLongJumpBytecodeSize 3
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@class NSArray;
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@class NSString;
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typedef struct
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{
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unsigned short code;
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unsigned short arg1;
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unsigned short arg2;
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unsigned pointer;
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} STBytecode;
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extern NSArray *STBytecodeNames;
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extern NSString *STBytecodeName(unsigned short code);
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extern NSString *STDissasembleBytecode(STBytecode bytecode);
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@interface STBytecodes:NSObject
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{
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NSData *bytes;
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}
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- (STBytecode)fetchNextBytecodeAtPointer:(unsigned *)pointer;
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- (NSData *) data;
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- (unsigned) length;
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@end
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