90 lines
2.3 KiB
C++
Executable File
90 lines
2.3 KiB
C++
Executable File
/**
|
|
* @file lscript_bytecode.h
|
|
* @brief classes to build actual bytecode
|
|
*
|
|
* $LicenseInfo:firstyear=2002&license=viewerlgpl$
|
|
* Second Life Viewer Source Code
|
|
* Copyright (C) 2010, Linden Research, Inc.
|
|
*
|
|
* 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;
|
|
* version 2.1 of the License only.
|
|
*
|
|
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*
|
|
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
|
|
* $/LicenseInfo$
|
|
*/
|
|
|
|
#ifndef LL_LSCRIPT_BYTECODE_H
|
|
#define LL_LSCRIPT_BYTECODE_H
|
|
|
|
#include "lscript_byteconvert.h"
|
|
#include "lscript_scope.h"
|
|
|
|
class LLScriptJumpTable
|
|
{
|
|
public:
|
|
LLScriptJumpTable();
|
|
~LLScriptJumpTable();
|
|
|
|
void addLabel(char *name, S32 offset);
|
|
void addJump(char *name, S32 offset);
|
|
|
|
LLMap<char *, S32 *> mLabelMap;
|
|
LLMap<char *, S32 *> mJumpMap;
|
|
};
|
|
|
|
class LLScriptByteCodeChunk
|
|
{
|
|
public:
|
|
LLScriptByteCodeChunk(BOOL b_need_jumps);
|
|
~LLScriptByteCodeChunk();
|
|
|
|
void addByte(U8 byte);
|
|
void addU16(U16 data);
|
|
void addBytes(const U8 *bytes, S32 size);
|
|
void addBytes(const char *bytes, S32 size);
|
|
void addBytes(S32 size);
|
|
void addBytesDontInc(S32 size);
|
|
void addInteger(S32 value);
|
|
void addFloat(F32 value);
|
|
void addLabel(char *name);
|
|
void addJump(char *name);
|
|
void connectJumps();
|
|
|
|
U8 *mCodeChunk;
|
|
S32 mCurrentOffset;
|
|
LLScriptJumpTable *mJumpTable;
|
|
};
|
|
|
|
class LLScriptScriptCodeChunk
|
|
{
|
|
public:
|
|
LLScriptScriptCodeChunk(S32 total_size);
|
|
~LLScriptScriptCodeChunk();
|
|
|
|
void build(LLFILE *efp, LLFILE *bcfp);
|
|
|
|
LLScriptByteCodeChunk *mRegisters;
|
|
LLScriptByteCodeChunk *mGlobalVariables;
|
|
LLScriptByteCodeChunk *mGlobalFunctions;
|
|
LLScriptByteCodeChunk *mStates;
|
|
LLScriptByteCodeChunk *mHeap;
|
|
S32 mTotalSize;
|
|
U8 *mCompleteCode;
|
|
};
|
|
|
|
extern LLScriptScriptCodeChunk *gScriptCodeChunk;
|
|
|
|
#endif
|
|
|