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/**
* @file lscript_execute.h
* @brief Classes to execute bytecode
*
* $LicenseInfo:firstyear=2002&license=viewergpl$
*
* Copyright (c) 2002-2007, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlife.com/developers/opensource/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at http://secondlife.com/developers/opensource/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#ifndef LL_LSCRIPT_EXECUTE_H
#define LL_LSCRIPT_EXECUTE_H
#include "lscript_byteconvert.h"
#include "linked_lists.h"
#include "lscript_library.h"
// Return values for run() methods
const U32 NO_DELETE_FLAG = 0x0000;
const U32 DELETE_FLAG = 0x0001;
const U32 CREDIT_MONEY_FLAG = 0x0002;
// list of op code execute functions
BOOL run_noop(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_pop(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_pops(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_popl(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_popv(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_popq(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_poparg(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_popip(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_popbp(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_popsp(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_popslr(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_dup(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_dups(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_dupl(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_dupv(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_dupq(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_store(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_stores(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_storel(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_storev(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_storeq(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_storeg(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_storegs(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_storegl(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_storegv(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_storegq(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_loadp(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_loadsp(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_loadlp(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_loadvp(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_loadqp(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_loadgp(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_loadgsp(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_loadglp(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_loadgvp(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_loadgqp(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_push(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_pushs(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_pushl(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_pushv(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_pushq(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_pushg(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_pushgs(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_pushgl(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_pushgv(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_pushgq(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_puship(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_pushbp(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_pushsp(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_pushargb(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_pushargi(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_pushargf(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_pushargs(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_pushargv(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_pushargq(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_pushe(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_pushev(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_pusheq(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_pusharge(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_add(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_sub(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_mul(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_div(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_mod(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_eq(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_neq(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_leq(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_geq(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_less(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_greater(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_bitand(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_bitor(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_bitxor(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_booland(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_boolor(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_shl(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_shr(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_neg(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_bitnot(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_boolnot(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_jump(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_jumpif(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_jumpnif(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_state(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_call(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_return(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_cast(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_stacktos(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_stacktol(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_print(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_calllib(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
BOOL run_calllib_two_byte(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
void unknown_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void integer_integer_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void integer_float_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void integer_vector_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void float_integer_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void float_float_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void float_vector_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void string_string_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void string_key_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void key_string_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void key_key_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void vector_integer_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void vector_float_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void vector_vector_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void vector_quaternion_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void quaternion_quaternion_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void integer_list_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void float_list_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void string_list_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void key_list_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void vector_list_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void quaternion_list_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void list_integer_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void list_float_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void list_string_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void list_key_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void list_vector_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void list_quaternion_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void list_list_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void integer_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void float_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void vector_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
void quaternion_operation(U8 *buffer, LSCRIPTOpCodesEnum opcode);
class LLScriptDataCollection
{
public:
LLScriptDataCollection(LSCRIPTStateEventType type, LLScriptLibData *data)
: mType(type), mData(data)
{
}
LLScriptDataCollection(U8 *src, S32 &offset)
{
S32 i, number;
mType = (LSCRIPTStateEventType)bytestream2integer(src, offset);
number = bytestream2integer(src, offset);
mData = new LLScriptLibData[number];
for (i = 0; i < number; i++)
{
mData[i].set(src, offset);
}
}
~LLScriptDataCollection()
{
delete [] mData;
mData = NULL;
}
S32 getSavedSize()
{
S32 size = 0;
// mTyoe
size += 4;
// number of entries
size += 4;
S32 i = 0;
do
{
size += mData[i].getSavedSize();;
}
while (mData[i++].mType != LST_NULL);
return size;
}
S32 write2bytestream(U8 *dest)
{
S32 offset = 0;
// mTyoe
integer2bytestream(dest, offset, mType);
// count number of entries
S32 number = 0;
while (mData[number++].mType != LST_NULL)
;
integer2bytestream(dest, offset, number);
// now the entries themselves
number = 0;
do
{
offset += mData[number].write2bytestream(dest + offset);
}
while (mData[number++].mType != LST_NULL);
return offset;
}
LSCRIPTStateEventType mType;
LLScriptLibData *mData;
};
const S32 MAX_EVENTS_IN_QUEUE = 64;
class LLScriptEventData
{
public:
LLScriptEventData() {}
LLScriptEventData(U8 *src, S32 &offset)
{
S32 i, number = bytestream2integer(src, offset);
for (i = 0; i < number; i++)
{
mEventDataList.addData(new LLScriptDataCollection(src, offset));
}
}
void set(U8 *src, S32 &offset)
{
S32 i, number = bytestream2integer(src, offset);
for (i = 0; i < number; i++)
{
mEventDataList.addData(new LLScriptDataCollection(src, offset));
}
}
~LLScriptEventData()
{
mEventDataList.deleteAllData();
}
void addEventData(LLScriptDataCollection *data)
{
if (mEventDataList.getLength() < MAX_EVENTS_IN_QUEUE)
mEventDataList.addDataAtEnd(data);
else
delete data;
}
LLScriptDataCollection *getNextEvent(LSCRIPTStateEventType type)
{
LLScriptDataCollection *temp;
for (temp = mEventDataList.getFirstData();
temp;
temp = mEventDataList.getNextData())
{
if (temp->mType == type)
{
mEventDataList.removeCurrentData();
return temp;
}
}
return NULL;
}
LLScriptDataCollection *getNextEvent()
{
LLScriptDataCollection *temp;
temp = mEventDataList.getFirstData();
if (temp)
{
mEventDataList.removeCurrentData();
return temp;
}
return NULL;
}
void removeEventType(LSCRIPTStateEventType type)
{
LLScriptDataCollection *temp;
for (temp = mEventDataList.getFirstData();
temp;
temp = mEventDataList.getNextData())
{
if (temp->mType == type)
{
mEventDataList.deleteCurrentData();
}
}
}
S32 getSavedSize()
{
S32 size = 0;
// number in linked list
size += 4;
LLScriptDataCollection *temp;
for (temp = mEventDataList.getFirstData();
temp;
temp = mEventDataList.getNextData())
{
size += temp->getSavedSize();
}
return size;
}
S32 write2bytestream(U8 *dest)
{
S32 offset = 0;
// number in linked list
S32 number = mEventDataList.getLength();
integer2bytestream(dest, offset, number);
LLScriptDataCollection *temp;
for (temp = mEventDataList.getFirstData();
temp;
temp = mEventDataList.getNextData())
{
offset += temp->write2bytestream(dest + offset);
}
return offset;
}
LLLinkedList<LLScriptDataCollection> mEventDataList;
};
class LLScriptExecute
{
public:
LLScriptExecute(LLFILE *fp);
LLScriptExecute(U8 *buffer);
~LLScriptExecute();
void init();
U32 run(BOOL b_print, const LLUUID &id, const char **errorstr, BOOL &state_transition);
BOOL (*mExecuteFuncs[0x100])(U8 *buffer, S32 &offset, BOOL b_print, const LLUUID &id);
U32 mInstructionCount;
U8 *mBuffer;
LLScriptEventData mEventData;
static S64 sGlobalInstructionCount;
private:
void recordBoundaryError( const LLUUID &id );
void setStateEventOpcoodeStartSafely( S32 state, LSCRIPTStateEventType event, const LLUUID &id );
};
#endif
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