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/**
* @file lscript_bytecode.h
* @brief classes to build actual bytecode
*
* Copyright (c) 2002-$CurrentYear$, Linden Research, Inc.
* $License$
*/
#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(U8 *bytes, S32 size);
void addBytes(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(FILE *efp, FILE *bcfp);
LLScriptByteCodeChunk *mRegisters;
LLScriptByteCodeChunk *mGlobalVariables;
LLScriptByteCodeChunk *mGlobalFunctions;
LLScriptByteCodeChunk *mStates;
LLScriptByteCodeChunk *mHeap;
S32 mTotalSize;
U8 *mCompleteCode;
};
extern LLScriptScriptCodeChunk *gScriptCodeChunk;
#endif
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