72 lines
1.4 KiB
C++
72 lines
1.4 KiB
C++
/**
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* @file lscript_bytecode.h
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* @brief classes to build actual bytecode
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*
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* Copyright (c) 2002-$CurrentYear$, Linden Research, Inc.
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* $License$
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*/
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#ifndef LL_LSCRIPT_BYTECODE_H
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#define LL_LSCRIPT_BYTECODE_H
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#include "lscript_byteconvert.h"
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#include "lscript_scope.h"
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class LLScriptJumpTable
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{
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public:
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LLScriptJumpTable();
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~LLScriptJumpTable();
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void addLabel(char *name, S32 offset);
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void addJump(char *name, S32 offset);
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LLMap<char *, S32 *> mLabelMap;
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LLMap<char *, S32 *> mJumpMap;
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};
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class LLScriptByteCodeChunk
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{
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public:
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LLScriptByteCodeChunk(BOOL b_need_jumps);
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~LLScriptByteCodeChunk();
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void addByte(U8 byte);
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void addU16(U16 data);
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void addBytes(U8 *bytes, S32 size);
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void addBytes(char *bytes, S32 size);
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void addBytes(S32 size);
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void addBytesDontInc(S32 size);
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void addInteger(S32 value);
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void addFloat(F32 value);
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void addLabel(char *name);
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void addJump(char *name);
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void connectJumps();
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U8 *mCodeChunk;
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S32 mCurrentOffset;
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LLScriptJumpTable *mJumpTable;
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};
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class LLScriptScriptCodeChunk
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{
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public:
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LLScriptScriptCodeChunk(S32 total_size);
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~LLScriptScriptCodeChunk();
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void build(FILE *efp, FILE *bcfp);
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LLScriptByteCodeChunk *mRegisters;
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LLScriptByteCodeChunk *mGlobalVariables;
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LLScriptByteCodeChunk *mGlobalFunctions;
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LLScriptByteCodeChunk *mStates;
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LLScriptByteCodeChunk *mHeap;
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S32 mTotalSize;
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U8 *mCompleteCode;
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};
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extern LLScriptScriptCodeChunk *gScriptCodeChunk;
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#endif
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