warzone2100/lib/script/codeprint.c

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#ifndef NOSCRIPT
/*
* CodePrint.c
*
* Routines for displaying compiled scripts
*/
#include "frame.h"
#include "interp.h"
#include "parse.h"
#include "codeprint.h"
#include "script.h"
/* Display a value type */
void cpPrintType(INTERP_TYPE type)
{
UDWORD i;
BOOL ref = FALSE;
if (type & VAL_REF)
{
ref = TRUE;
type = type & ~VAL_REF;
}
switch(type)
{
case VAL_BOOL:
DBPRINTF(("BOOL"));
break;
case VAL_INT:
DBPRINTF(("INT"));
break;
/* case VAL_FLOAT:
DBPRINTF(("FLOAT"));
break;*/
case VAL_STRING:
DBPRINTF(("STRING"));
break;
case VAL_TRIGGER:
DBPRINTF(("TRIGGER"));
break;
case VAL_EVENT:
DBPRINTF(("EVENT"));
break;
case VAL_VOID:
DBPRINTF(("VOID"));
break;
default:
// See if it is a user defined type
if (asScrTypeTab)
{
for(i=0; asScrTypeTab[i].typeID != 0; i++)
{
if (asScrTypeTab[i].typeID == type)
{
DBPRINTF(("%s", asScrTypeTab[i].pIdent ));
return;
}
}
}
ASSERT((FALSE, "cpPrintType: Unknown type"));
break;
}
if (ref)
{
DBPRINTF((" REF"));
}
}
/* Display a value */
void cpPrintVal(INTERP_VAL *psVal)
{
UDWORD i;
if (psVal->type & VAL_REF)
{
DBPRINTF(("type: "));
cpPrintType(psVal->type);
DBPRINTF((" value: %x", psVal->v.ival));
return;
}
switch(psVal->type)
{
case VAL_BOOL:
DBPRINTF(("type: BOOL value: %s",
psVal->v.bval ? "true" : "false"));
break;
case VAL_INT:
DBPRINTF(("type: INT value: %d", psVal->v.ival ));
break;
/* case VAL_FLOAT:
DBPRINTF(("type: FLOAT value: %f", psVal->v.fval ));
break;*/
case VAL_STRING:
DBPRINTF(("type: STRING value: %s", psVal->v.sval ));
break;
case VAL_TRIGGER:
DBPRINTF(("type: TRIGGER value: %d", psVal->v.ival ));
break;
case VAL_EVENT:
DBPRINTF(("type: EVENT value: %d", psVal->v.ival ));
break;
default:
// See if it is a user defined type
if (asScrTypeTab)
{
for(i=0; asScrTypeTab[i].typeID != 0; i++)
{
if (asScrTypeTab[i].typeID == psVal->type)
{
DBPRINTF(("type: %s value: %x",
asScrTypeTab[i].pIdent, psVal->v.ival ));
return;
}
}
}
ASSERT((FALSE, "cpPrintVal: Unknown value type"));
break;
}
}
/* Display a value from a program that has been packed with an opcode */
void cpPrintPackedVal(UDWORD *ip)
{
INTERP_TYPE type = (*ip) & OPCODE_DATAMASK;
UDWORD i;
UDWORD data = *(ip + 1);
if (type & VAL_REF)
{
DBPRINTF(("type: "));
cpPrintType(type);
DBPRINTF((" value: %x", data));
return;
}
switch(type)
{
case VAL_BOOL:
DBPRINTF(("BOOL : %s",
((BOOL)data) ? "true" : "false"));
break;
case VAL_INT:
DBPRINTF(("INT : %d", (SDWORD)data ));
break;
/* case VAL_FLOAT:
DBPRINTF(("FLOAT : %f", (float)data ));
break;*/
case VAL_STRING:
DBPRINTF(("STRING : %s", (STRING *)data ));
break;
case VAL_TRIGGER:
DBPRINTF(("TRIGGER : %d", (SDWORD)data ));
break;
case VAL_EVENT:
DBPRINTF(("EVENT : %d", (SDWORD)data ));
break;
default:
// See if it is a user defined type
if (asScrTypeTab)
{
for(i=0; asScrTypeTab[i].typeID != 0; i++)
{
if (asScrTypeTab[i].typeID == type)
{
DBPRINTF(("type: %s value: %x",
asScrTypeTab[i].pIdent, data ));
return;
}
}
}
ASSERT((FALSE, "cpPrintVal: Unknown value type"));
break;
}
}
/* Display a maths operator */
void cpPrintMathsOp(UDWORD opcode)
{
switch (opcode)
{
case OP_ADD:
DBPRINTF(("ADD "));
break;
case OP_SUB:
DBPRINTF(("SUB "));
break;
case OP_MUL:
DBPRINTF(("MUL "));
break;
case OP_DIV:
DBPRINTF(("DIV "));
break;
case OP_NEG:
DBPRINTF(("NEG "));
break;
case OP_AND:
DBPRINTF(("AND "));
break;
case OP_OR:
DBPRINTF(("OR "));
break;
case OP_NOT:
DBPRINTF(("NOT "));
break;
case OP_EQUAL:
DBPRINTF(("EQUAL "));
break;
case OP_NOTEQUAL:
DBPRINTF(("NOT_EQUAL "));
break;
case OP_GREATEREQUAL:
DBPRINTF(("GRT_EQUAL "));
break;
case OP_LESSEQUAL:
DBPRINTF(("LESS_EQUAL "));
break;
case OP_GREATER:
DBPRINTF(("GREATER "));
break;
case OP_LESS:
DBPRINTF(("LESS "));
break;
default:
ASSERT((FALSE, "cpPrintMathsOp: unknown operator"));
break;
}
}
/* Print a function name */
void cpPrintFunc(SCRIPT_FUNC pFunc)
{
SDWORD i;
// Search the instinct functions
if (asScrInstinctTab)
{
for(i = 0; asScrInstinctTab[i].pFunc != NULL; i++)
{
if (asScrInstinctTab[i].pFunc == pFunc)
{
DBPRINTF(("%s", asScrInstinctTab[i].pIdent));
return;
}
}
}
// Search the callback functions
if (asScrCallbackTab)
{
for(i = 0; asScrCallbackTab[i].type != 0; i++)
{
if (asScrCallbackTab[i].pFunc == pFunc)
{
DBPRINTF(("%s", asScrCallbackTab[i].pIdent));
return;
}
}
}
}
/* Print a variable access function name */
void cpPrintVarFunc(SCRIPT_VARFUNC pFunc, UDWORD index)
{
SDWORD i;
// Search the external variable functions
if (asScrExternalTab)
{
for(i = 0; asScrExternalTab[i].pIdent != NULL; i++)
{
if (asScrExternalTab[i].set == pFunc &&
asScrExternalTab[i].index == index)
{
DBPRINTF(("%s (set)", asScrExternalTab[i].pIdent));
return;
}
else if (asScrExternalTab[i].get == pFunc &&
asScrExternalTab[i].index == index)
{
DBPRINTF(("%s (get)", asScrExternalTab[i].pIdent));
return;
}
}
}
// Search the object functions
if (asScrObjectVarTab)
{
for(i = 0; asScrObjectVarTab[i].pIdent != NULL; i++)
{
if (asScrObjectVarTab[i].set == pFunc &&
asScrObjectVarTab[i].index == index)
{
DBPRINTF(("%s (set)", asScrObjectVarTab[i].pIdent));
return;
}
else if (asScrObjectVarTab[i].get == pFunc &&
asScrObjectVarTab[i].index == index)
{
DBPRINTF(("%s (get)", asScrObjectVarTab[i].pIdent));
return;
}
}
}
}
/* Print the array information */
void cpPrintArrayInfo(UDWORD **pip, SCRIPT_CODE *psProg)
{
SDWORD i, dimensions;//, elements[VAR_MAX_DIMENSIONS];
// SDWORD elementDWords;
// UBYTE *pElem;
UDWORD *ip = *pip;
UDWORD base;
// get the base index of the array
base = (*ip) & ARRAY_BASE_MASK;
// get the number of dimensions
dimensions = ((*ip) & ARRAY_DIMENSION_MASK) >> ARRAY_DIMENSION_SHIFT;
// get the number of elements for each dimension
/* pElem = (UBYTE *) (ip + 1);
for(i=0; i<dimensions; i+=1)
{
elements[i] = *pElem;
pElem += 1;
}*/
DBPRINTF(("%d->", base));
for(i=0; i<psProg->psArrayInfo[base].dimensions; i+= 1)
{
DBPRINTF(("[%d]", psProg->psArrayInfo[base].elements[i]));
}
// calculate the number of DWORDs needed to store the number of elements for each dimension of the array
// elementDWords = (dimensions - 1)/4 + 1;
// update the insrtuction pointer
*pip += 1;// + elementDWords;
}
/* Display the contents of a program in readable form */
void cpPrintProgram(SCRIPT_CODE *psProg)
{
UDWORD *ip, *end;
OPCODE opcode;
UDWORD data, i, dim;
SCRIPT_DEBUG *psCurrDebug=NULL;
BOOL debugInfo, triggerCode;
UDWORD jumpOffset;
VAR_DEBUG *psCurrVar;
ARRAY_DATA *psCurrArray;
ARRAY_DEBUG *psCurrArrayDebug;
ASSERT((PTRVALID(psProg, sizeof(SCRIPT_CODE)),
"cpPrintProgram: Invalid program pointer"));
debugInfo = psProg->psDebug != NULL;
if (debugInfo)
{
// Print out the global variables
if (psProg->numGlobals > 0)
{
DBPRINTF(("index storage type variable name\n"));
psCurrVar = psProg->psVarDebug;
for(i=0; i<psProg->numGlobals; i++)
{
DBPRINTF(("%-6d %s %-4d %s\n", psCurrVar - psProg->psVarDebug,
psCurrVar->storage == ST_PUBLIC ? "Public " : "Private",
psProg->pGlobals[i], psCurrVar->pIdent));
psCurrVar++;
}
}
if (psProg->numArrays > 0)
{
DBPRINTF(("\narrays\n"));
psCurrArray = psProg->psArrayInfo;
psCurrArrayDebug = psProg->psArrayDebug;
for(i=0; i<psProg->numArrays; i++)
{
DBPRINTF(("%-6d %s %-4d %s", i,
psCurrArrayDebug->storage == ST_PUBLIC ? "Public " : "Private",
psCurrArray->type, psCurrArrayDebug->pIdent));
for(dim=0; dim < psCurrArray->dimensions; dim += 1)
{
DBPRINTF(("[%d]", psCurrArray->elements[dim]));
}
DBPRINTF(("\n"));
psCurrArray++;
psCurrArrayDebug++;
}
}
DBPRINTF(("\nindex line offset\n"));
psCurrDebug = psProg->psDebug;
}
else
{
DBPRINTF(("index offset\n"));
}
// Find the first trigger with code
for(jumpOffset = 0; jumpOffset < psProg->numTriggers; jumpOffset++)
{
if (psProg->psTriggerData[jumpOffset].type == TR_CODE)
{
break;
}
}
ip = psProg->pCode;
triggerCode = psProg->numTriggers > 0 ? TRUE : FALSE;
end = (UDWORD *)(((UBYTE *)ip) + psProg->size);
opcode = (*ip) >> OPCODE_SHIFT;
data = (*ip) & OPCODE_DATAMASK;
while (ip < end)
{
// display a label if there is one
if (debugInfo)
{
if ((UDWORD)(ip - psProg->pCode) == psCurrDebug->offset &&
psCurrDebug->pLabel != NULL)
{
DBPRINTF(("%s\n", psCurrDebug->pLabel));
}
}
// Display the trigger/event index
if (triggerCode)
{
if (ip - psProg->pCode == psProg->pTriggerTab[jumpOffset])
{
DBPRINTF(("%-6d ", jumpOffset));
jumpOffset+= 1;
// Find the next trigger with code
while(jumpOffset < psProg->numTriggers)
{
if (psProg->psTriggerData[jumpOffset].type == TR_CODE)
{
break;
}
jumpOffset++;
}
if (jumpOffset >= psProg->numTriggers)
{
// Got to the end of the triggers
triggerCode = FALSE;
jumpOffset = 0;
}
}
else
{
DBPRINTF((" "));
}
}
else
{
if (ip - psProg->pCode == psProg->pEventTab[jumpOffset])
{
DBPRINTF(("%-6d ", jumpOffset));
jumpOffset+= 1;
}
else
{
DBPRINTF((" "));
}
}
// Display the line number
if (debugInfo)
{
if ((UDWORD)(ip - psProg->pCode) == psCurrDebug->offset)
{
DBPRINTF(("%-6d ", psCurrDebug->line));
psCurrDebug++;
}
else
{
DBPRINTF((" "));
}
}
// Display the code offset
DBPRINTF(("%-6d ", ip - psProg->pCode));
switch (opcode)
{
case OP_PUSH:
DBPRINTF(("PUSH "));
cpPrintPackedVal(ip);
DBPRINTF(("\n"));
ip += aOpSize[opcode];
break;
case OP_PUSHREF:
DBPRINTF(("PUSHREF "));
cpPrintPackedVal(ip);
DBPRINTF(("\n"));
ip += aOpSize[opcode];
break;
case OP_POP:
DBPRINTF(("POP\n"));
ip += aOpSize[opcode];
break;
case OP_PUSHGLOBAL:
DBPRINTF(("PUSHGLOBAL %d\n", data));
ip += aOpSize[opcode];
break;
case OP_POPGLOBAL:
DBPRINTF(("POPGLOBAL %d\n", data));
ip += aOpSize[opcode];
break;
case OP_PUSHARRAYGLOBAL:
DBPRINTF(("PUSHARRAYGLOBAL "));
cpPrintArrayInfo(&ip, psProg);
DBPRINTF(("\n"));
break;
case OP_POPARRAYGLOBAL:
DBPRINTF(("POPARRAYGLOBAL "));
cpPrintArrayInfo(&ip, psProg);
DBPRINTF(("\n"));
break;
case OP_CALL:
DBPRINTF(("CALL "));
cpPrintFunc( (SCRIPT_FUNC)(*(ip+1)) );
DBPRINTF(("\n"));
ip += aOpSize[opcode];
break;
case OP_VARCALL:
DBPRINTF(("VARCALL "));
cpPrintVarFunc( (SCRIPT_VARFUNC)(*(ip+1)), data);
DBPRINTF(("(%d)\n", data));
ip += aOpSize[opcode];
break;
case OP_JUMP:
DBPRINTF(("JUMP %d (%d)\n",
(SWORD)data, ip - psProg->pCode + (SWORD)data));
ip += aOpSize[opcode];
break;
case OP_JUMPTRUE:
DBPRINTF(("JUMPTRUE %d (%d)\n",
(SWORD)data, ip - psProg->pCode + (SWORD)data));
ip += aOpSize[opcode];
break;
case OP_JUMPFALSE:
DBPRINTF(("JUMPFALSE %d (%d)\n",
(SWORD)data, ip - psProg->pCode + (SWORD)data));
ip += aOpSize[opcode];
break;
case OP_BINARYOP:
case OP_UNARYOP:
cpPrintMathsOp(data);
DBPRINTF(("\n"));
ip += aOpSize[opcode];
break;
case OP_EXIT:
DBPRINTF(("EXIT\n"));
ip += aOpSize[opcode];
break;
case OP_PAUSE:
DBPRINTF(("PAUSE %d\n", data));
ip += aOpSize[opcode];
break;
default:
ASSERT((FALSE,"cpPrintProgram: Unknown opcode: %x", *ip));
break;
}
ASSERT(((ip <= end) || PTRVALID(ip, sizeof(UDWORD)),
"cpPrintProgram: instruction pointer no longer valid"));
opcode = (*ip) >> OPCODE_SHIFT;
data = (*ip) & OPCODE_DATAMASK;
}
}
#endif