void execStdPrint (void) {
//---------------------------
// Grab the opening LPAREN...
getCodeToken();
//----------------------------
// Get parameter expression...
getCodeToken();
TypePtr paramTypePtr = execExpression();
char buffer[20];
char* s = buffer;
if (paramTypePtr == IntegerTypePtr)
sprintf(buffer, "%d", tos->integer);
else if (paramTypePtr == BooleanTypePtr)
sprintf(buffer, "%s", tos->integer ? "true" : "false");
else if (paramTypePtr == CharTypePtr)
sprintf(buffer, "%c", tos->byte);
else if (paramTypePtr == RealTypePtr)
sprintf(buffer, "%.4f", tos->real);
else if ((paramTypePtr->form == FRM_ARRAY) && (paramTypePtr->info.array.elementTypePtr == CharTypePtr))
s = (char*)tos->address;
pop();
if (debugger) {
char message[512];
sprintf(message, "PRINT: \"%s\"", s);
debugger->print(message);
sprintf(message, " MODULE %s", CurModule->getName());
debugger->print(message);
sprintf(message, " FILE %s", CurModule->getSourceFile(FileNumber));
debugger->print(message);
sprintf(message, " LINE %d", execLineNumber);
debugger->print(message);
}
/* else if (TACMAP) {
aChatWindow* chatWin = TACMAP->getChatWindow();
if (chatWin)
chatWin->processChatString(0, s, -1);
else {
#ifdef _DEBUG
OutputDebugString(s);
#endif
}
}
*/ else {
#ifdef _DEBUG
ABLDebugPrintCallback(s);
#endif
}
//-----------------------
// Grab closing RPAREN...
getCodeToken();
}
void execOrderReturn (long returnVal) {
//-----------------------------
// Assignment to function id...
StackFrameHeaderPtr headerPtr = (StackFrameHeaderPtr)stackFrameBasePtr;
long delta = level - CurRoutineIdPtr->level - 1;
while (delta-- > 0)
headerPtr = (StackFrameHeaderPtr)headerPtr->staticLink.address;
if (CurRoutineIdPtr->defn.info.routine.flags & ROUTINE_FLAG_STATE) {
//----------------------------------
// Return in a state function, so...
if (debugger)
debugger->traceDataStore(CurRoutineIdPtr, CurRoutineIdPtr->typePtr, (StackItemPtr)headerPtr, CurRoutineIdPtr->typePtr);
ExitWithReturn = true;
ExitFromTacOrder = true;
if (returnVal == 0) {
//----------------------------------------------------------
// Use the "eject" code only if called for a failed Order...
codeSegmentPtr = (char*)ExitStateCodeSegment;
getCodeToken();
}
}
else {
//-------------------------------------------------------------------------
// All Order functions (TacticalOrder/GeneralOrder/ActionOrder) must return
// an integer error code, so we assume the return type is IntegerTypePtr...
StackItemPtr targetPtr = (StackItemPtr)headerPtr;
targetPtr->integer = returnVal;
//----------------------------------------------------------------------
// Preserve the return value, in case we need it for the calling user...
memcpy(&returnValue, targetPtr, sizeof(StackItem));
if (debugger)
debugger->traceDataStore(CurRoutineIdPtr, CurRoutineIdPtr->typePtr, (StackItemPtr)headerPtr, CurRoutineIdPtr->typePtr);
ExitWithReturn = true;
ExitFromTacOrder = true;
if (returnVal == 0) {
//----------------------------------------------------------
// Use the "eject" code only if called for a failed Order...
codeSegmentPtr = (char*)ExitOrderCodeSegment;
getCodeToken();
}
}
}
void execAssignmentStatement(SymTableNodePtr idPtr)
{
StackItemPtr targetPtr;
TypePtr targetTypePtr;
TypePtr expressionTypePtr;
//--------------------------
// Assignment to variable...
targetTypePtr = execVariable(idPtr, USE_TARGET);
targetPtr = (StackItemPtr)tos->address;
//------------------------------
// Pop off the target address...
pop();
//------------------------
// Pop the size, if nec...
//if (targetTypePtr->form == FRM_ARRAY)
// pop();
//---------------------------------------------------------------
// Routine execExpression() leaves the expression value on top of
// stack...
getCodeToken();
expressionTypePtr = execExpression();
//--------------------------
// Now, do the assignment...
if((targetTypePtr == RealTypePtr) && (expressionTypePtr == IntegerTypePtr))
{
//-------------------------
// integer assigned to real
targetPtr->real = (float)(tos->integer);
}
else if(targetTypePtr->form == FRM_ARRAY)
{
//-------------------------
// Copy the array/record...
PSTR dest = (PSTR)targetPtr;
PSTR src = tos->address;
int32_t size = targetTypePtr->size;
memcpy(dest, src, size);
}
else if((targetTypePtr == IntegerTypePtr) || (targetTypePtr->form == FRM_ENUM))
{
//------------------------------------------------------
// Range check assignment to integer or enum subrange...
targetPtr->integer = tos->integer;
}
else if(targetTypePtr == CharTypePtr)
targetPtr->byte = tos->byte;
else
{
//-----------------------
// Assign real to real...
targetPtr->real = tos->real;
}
//-----------------------------
// Grab the expression value...
pop();
if(debugger)
debugger->traceDataStore(idPtr, idPtr->typePtr, targetPtr, targetTypePtr);
}
void execStdAssert (void) {
//----------------------------------------------------------------------
//
// ASSERT function:
//
// If the debugger is active, this immediately jumps into debug mode
// if expression is FALSE. Otherwise, the assert statement is ignored
// unless the #debug directive has been issued in the module. If
// so, a fatal occurs and exits the game (displaying the
// string passed in).
//
// PARAMS: boolean expression
//
// integer assert code to display
//
// char[] message
//
// RETURN: none
//
//----------------------------------------------------------------------
long expression = ABLi_popInteger();
long code = ABLi_popInteger();
char* s = ABLi_popCharPtr();
if (!expression) {
char message[512];
if (debugger) {
sprintf(message, "ASSERT: [%d] \"%s\"", code, s);
debugger->print(message);
sprintf(message, " MODULE (%d) %s", CurModule->getId(), CurModule->getName());
debugger->print(message);
sprintf(message, " FILE %s", CurModule->getSourceFile(FileNumber));
debugger->print(message);
sprintf(message, " LINE %d", execLineNumber);
debugger->print(message);
debugger->debugMode();
}
else {
sprintf(message, "ABL ASSERT: [%d] %s", code, s);
ABL_Fatal(0, message);
}
}
}
void runtimeError (long errCode) {
char message[512];
if (debugger) {
sprintf(message, "RUNTIME ERROR: [%d] %s", errCode, runtimeErrorMessages[errCode]);
debugger->print(message);
sprintf(message, "MODULE %s", CurModule->getName());
debugger->print(message);
if (FileNumber > -1)
sprintf(message, "FILE %s", CurModule->getSourceFile(FileNumber));
else
sprintf(message, "FILE %s: unavailable");
debugger->print(message);
sprintf(message, "LINE %d", execLineNumber);
debugger->print(message);
debugger->debugMode();
}
sprintf(message, "ABL RUNTIME ERROR %s [line %d] - (type %d) %s\n", (FileNumber > -1) ? CurModule->getSourceFile(FileNumber) : "unavailable", execLineNumber, errCode, runtimeErrorMessages[errCode]);
ABL_Fatal(-ABL_ERR_RUNTIME_ABORT, message);
}
void execStdFatal (void) {
//----------------------------------------------------------------------
//
// FATAL function:
//
// If the debugger is active, this immediately jumps into debug mode.
// Otherwise, it causes a fatal and exits the game (displaying the
// string passed in).
//
// PARAMS: integer fatal code to display
//
// char[] message
//
// RETURN: none
//
//----------------------------------------------------------------------
long code = ABLi_popInteger();
char* s = ABLi_popCharPtr();
char message[512];
if (debugger) {
sprintf(message, "FATAL: [%d] \"%s\"", code, s);
debugger->print(message);
sprintf(message, " MODULE (%d) %s", CurModule->getId(), CurModule->getName());
debugger->print(message);
sprintf(message, " FILE %s", CurModule->getSourceFile(FileNumber));
debugger->print(message);
sprintf(message, " LINE %d", execLineNumber);
debugger->print(message);
debugger->debugMode();
}
else {
sprintf(message, "ABL FATAL: [%d] %s", code, s);
ABL_Fatal(0, s);
}
}
void routineEntry(SymTableNodePtr routineIdPtr)
{
if(debugger)
debugger->traceRoutineEntry(routineIdPtr);
memset(&returnValue, 0, sizeof(StackItem));
//------------------------------
// Switch to new code segment...
codeSegmentPtr = routineIdPtr->defn.info.routine.codeSegment;
//----------------------------------------------
// Allocate local variables onto system stack...
for(SymTableNodePtr varIdPtr = (SymTableNodePtr)(routineIdPtr->defn.info.routine.locals);
varIdPtr != nullptr;
varIdPtr = varIdPtr->next)
if(varIdPtr->defn.info.data.varType == VAR_TYPE_NORMAL)
allocLocal((TypePtr)(varIdPtr->typePtr));
}
TypePtr execConstant(SymTableNodePtr idPtr)
{
TypePtr typePtr = idPtr->typePtr;
if ((typePtr == IntegerTypePtr) || (typePtr->form == FRM_ENUM))
pushInteger(idPtr->defn.info.constant.value.integer);
else if (typePtr == RealTypePtr)
pushReal(idPtr->defn.info.constant.value.real);
else if (typePtr == CharTypePtr)
pushInteger(idPtr->defn.info.constant.value.character);
else if (typePtr->form == FRM_ARRAY)
pushAddress(idPtr->defn.info.constant.value.stringPtr);
if (debugger)
debugger->traceDataFetch(idPtr, typePtr, tos);
getCodeToken();
return (typePtr);
}
void routineExit(SymTableNodePtr routineIdPtr)
{
if(debugger)
debugger->traceRoutineExit(routineIdPtr);
//-----------------------------------------
// De-alloc parameters & local variables...
SymTableNodePtr idPtr;
for(idPtr = (SymTableNodePtr)(routineIdPtr->defn.info.routine.params);
idPtr != nullptr;
idPtr = idPtr->next)
freeLocal(idPtr);
for(idPtr = (SymTableNodePtr)(routineIdPtr->defn.info.routine.locals);
idPtr != nullptr;
idPtr = idPtr->next)
if(idPtr->defn.info.data.varType == VAR_TYPE_NORMAL)
freeLocal(idPtr);
StackFrameHeaderPtr headerPtr = (StackFrameHeaderPtr)stackFrameBasePtr;
codeSegmentPtr = headerPtr->returnAddress.address;
if(routineIdPtr->typePtr == nullptr)
tos = stackFrameBasePtr - 1;
else
tos = stackFrameBasePtr;
stackFrameBasePtr = (StackItemPtr)headerPtr->dynamicLink.address;
}
void execStatement(void)
{
if(codeToken == TKN_STATEMENT_MARKER)
{
execLineNumber = getCodeStatementMarker();
execStatementCount++;
statementStartPtr = codeSegmentPtr;
if(debugger)
debugger->traceStatementExecution();
getCodeToken();
}
switch(codeToken)
{
case TKN_IDENTIFIER:
{
SymTableNodePtr idPtr = getCodeSymTableNodePtr();
ABL_Assert(idPtr != nullptr, 0, " oops ");
if(idPtr->defn.key == DFN_FUNCTION)
{
bool skipOrder = false;
uint8_t orderDWord = 0;
uint8_t orderBitMask = 0;
if((idPtr->defn.info.routine.flags & ROUTINE_FLAG_ORDER) && CurModule->getOrderCallFlags())
{
orderDWord = getCodeByte();
orderBitMask = getCodeByte();
skipOrder = !CurModule->isLibrary() && CurModule->getOrderCallFlag(orderDWord, orderBitMask);
}
TypePtr returnType = execRoutineCall(idPtr, skipOrder);
if(idPtr->defn.info.routine.flags & ROUTINE_FLAG_ORDER)
{
if(AutoReturnFromOrders)
{
//-----------------------------------------------------------------
// We called an Order function, and we're in an Orders/State block,
// so do we continue the flow of orders or stop here?
int32_t returnVal = tos->integer;
pop();
if(returnVal == 0)
execOrderReturn(returnVal);
else if(CurModule->getOrderCallFlags())
{
CurModule->setOrderCallFlag(orderDWord, orderBitMask);
}
}
}
else if(returnType)
{
//------------------------------------------
// In case this routine returns a value, pop
// the return value off the stack...
pop();
}
}
else
execAssignmentStatement(idPtr);
}
break;
case TKN_CODE:
{
bool wasAutoReturnFromOrders = AutoReturnFromOrders;
AutoReturnFromOrders = ((CurRoutineIdPtr->defn.info.routine.flags & (ROUTINE_FLAG_ORDER + ROUTINE_FLAG_STATE)) != 0);
getCodeToken();
TokenCodeType endToken = TKN_END_FUNCTION;
if(CurRoutineIdPtr->defn.info.routine.flags & ROUTINE_FLAG_ORDER)
endToken = TKN_END_ORDER;
else if(CurRoutineIdPtr->defn.info.routine.flags & ROUTINE_FLAG_STATE)
endToken = TKN_END_STATE;
TokenCodeType endTokenFinal = TKN_END_MODULE;
if(CurLibrary)
endTokenFinal = TKN_END_LIBRARY;
else if(CurRoutineIdPtr->defn.info.routine.flags & ROUTINE_FLAG_FSM)
endTokenFinal = TKN_END_FSM;
while((codeToken != endToken) && (codeToken != endTokenFinal) && !NewStateSet)
execStatement();
if(NewStateSet)
return;
getCodeToken();
AutoReturnFromOrders = wasAutoReturnFromOrders;
}
break;
case TKN_FOR:
execForStatement();
break;
case TKN_IF:
execIfStatement();
break;
case TKN_REPEAT:
execRepeatStatement();
break;
case TKN_WHILE:
execWhileStatement();
break;
case TKN_SWITCH:
execSwitchStatement();
break;
case TKN_TRANS:
execTransStatement();
break;
case TKN_TRANS_BACK:
execTransBackStatement();
break;
case TKN_SEMICOLON:
case TKN_ELSE:
case TKN_UNTIL:
break;
default:
//runtimeError(ABL_ERR_RUNTIME_UNIMPLEMENTED_FEATURE);
NODEFAULT;
}
while(codeToken == TKN_SEMICOLON)
getCodeToken();
}
TypePtr execDeclaredRoutineCall(SymTableNodePtr routineIdPtr, bool skipOrder)
{
if(skipOrder)
{
StackItemPtr curStackFrameBase = tos;
//----------------------------------------
// Push parameter values onto the stack...
getCodeToken();
if(codeToken == TKN_LPAREN)
{
execActualParams(routineIdPtr);
getCodeToken();
}
getCodeToken();
tos = curStackFrameBase;
pushInteger(1);
return((TypePtr)(routineIdPtr->typePtr));
}
int32_t oldLevel = level; // level of caller
int32_t newLevel = routineIdPtr->level + 1; // level of callee
CallStackLevel++;
//-------------------------------------------
// First, set up the stack frame of callee...
StackItemPtr newStackFrameBasePtr = tos + 1;
bool isLibraryCall = (routineIdPtr->library && (routineIdPtr->library != CurRoutineIdPtr->library));
if(isLibraryCall)
pushStackFrameHeader(-1, -1);
else
pushStackFrameHeader(oldLevel, newLevel);
//----------------------------------------
// Push parameter values onto the stack...
getCodeToken();
if(codeToken == TKN_LPAREN)
{
execActualParams(routineIdPtr);
getCodeToken();
}
//-------------------------------------------------
// Set the return address in the new stack frame...
level = newLevel;
stackFrameBasePtr = newStackFrameBasePtr;
StackFrameHeaderPtr headerPtr = (StackFrameHeaderPtr)stackFrameBasePtr;
headerPtr->returnAddress.address = codeSegmentPtr - 1;
//---------------------------------------------------------
// If we're calling a library function, we need to set some
// module-specific info...
ABLModulePtr PrevModule = nullptr;
if(isLibraryCall)
{
PrevModule = CurModule;
CurModule = routineIdPtr->library;
CurModuleHandle = CurModule->getHandle();
if(debugger)
debugger->setModule(CurModule);
StaticDataPtr = CurModule->getStaticData();
CallModuleInit = !CurModule->getInitCalled();
CurModule->setInitCalled(true);
// routineEntry(ModuleRegistry[CurModule->getHandle()].moduleIdPtr);
}
if(ProfileLog)
{
int32_t functionStartTime = ABLGetTimeCallback();
execute(routineIdPtr);
int32_t functionExecTime = ABLGetTimeCallback() - functionStartTime;
if(functionExecTime > ProfileLogFunctionTimeLimit)
{
char s[512];
sprintf_s(s, _countof(s), "[%08d] ", NumExecutions);
for(size_t i = 0; i < CallStackLevel; i++)
strcat(s, " ");
char s1[512];
sprintf_s(s1, _countof(s1), "%s (%d)\n", routineIdPtr->name, functionExecTime);
strcat(s, s1);
ABL_AddToProfileLog(s);
}
}
else
execute(routineIdPtr);
//----------------------------------------------------------------
// If we're calling a library function, reset some module-specific
// info...
if(isLibraryCall)
{
// routineExit(ModuleRegistry[CurModule->getHandle()].moduleIdPtr);
CurModule = PrevModule;
CurModuleHandle = CurModule->getHandle();
if(debugger)
debugger->setModule(CurModule);
StaticDataPtr = CurModule->getStaticData();
}
//-------------------------------------------------------
// Return from the callee, and grab the first token after
// the return...
level = oldLevel;
getCodeToken();
CallStackLevel--;
return((TypePtr)(routineIdPtr->typePtr));
}
int32_t ABLModule::execute(ABLParamPtr moduleParamList, SymTableNodePtr functionIdPtr)
{
CurModule = this;
if(debugger)
debugger->setModule(this);
//--------------------------
// Execute the ABL module...
SymTableNodePtr moduleIdPtr = ModuleRegistry[handle].moduleIdPtr;
if(moduleIdPtr->defn.info.routine.flags & ROUTINE_FLAG_FSM)
CurFSM = this;
else
CurFSM = nullptr;
NumStateTransitions = 0;
//--------------------------------------------
// Point to this module's static data space...
StaticDataPtr = staticData;
OrderCompletionFlags = orderCallFlags;
//---------------------------------
// Init some important variables...
CurModuleIdPtr = nullptr;
CurRoutineIdPtr = nullptr;
FileNumber = -1;
errorCount = 0;
execStatementCount = 0;
NumExecutions++;
NewStateSet = false;
//------------------
// Init the stack...
stackFrameBasePtr = tos = (stack + eternalOffset);
//---------------------------------------
// Initialize the module's stack frame...
level = 1;
CallStackLevel = 0;
stackFrameBasePtr = tos + 1;
//-------------------------
// Function return value...
pushInteger(0);
//---------------
// Static Link...
pushAddress(nullptr);
//----------------
// Dynamic Link...
pushAddress(nullptr);
//------------------
// Return Address...
pushAddress(nullptr);
//initDebugger();
//----------
// Run it...
if(moduleParamList)
{
//------------------------------------------------------------------------------
// NOTE: Currently, parameter passing of arrays is not functioning. This MUST be
// done...
int32_t curParam = 0;
for(SymTableNodePtr formalIdPtr = (SymTableNodePtr)(moduleIdPtr->defn.info.routine.params);
formalIdPtr != nullptr;
formalIdPtr = formalIdPtr->next)
{
TypePtr formalTypePtr = (TypePtr)(formalIdPtr->typePtr);
if(formalIdPtr->defn.key == DFN_VALPARAM)
{
if(formalTypePtr == RealTypePtr)
{
if(moduleParamList[curParam].type == ABL_PARAM_INTEGER)
{
//---------------------------------------------
// Real formal parameter, but integer actual...
pushReal((float)(moduleParamList[curParam].integer));
}
else if(moduleParamList[curParam].type == ABL_PARAM_REAL)
pushReal(moduleParamList[curParam].real);
}
else if(formalTypePtr == IntegerTypePtr)
{
if(moduleParamList[curParam].type == ABL_PARAM_INTEGER)
pushInteger(moduleParamList[curParam].integer);
else
return(0);
}
//----------------------------------------------------------
// Formal parameter is an array or record, so make a copy...
if((formalTypePtr->form == FRM_ARRAY)/* || (formalTypePtr->form == FRM_RECORD)*/)
{
//------------------------------------------------------------------------------
// The following is a little inefficient, but is kept this way to keep it clear.
// Once it's verified to work, optimize...
int32_t size = formalTypePtr->size;
PSTR dest = (PSTR)ABLStackMallocCallback((size_t)size);
if(!dest)
{
char err[255];
sprintf(err, "ABL: Unable to AblStackHeap->malloc array parameter [Module %d]", id);
ABL_Fatal(0, err);
}
PSTR src = tos->address;
PSTR savePtr = dest;
memcpy(dest, src, size);
tos->address = savePtr;
}
}
else
{
//-------------------------------
// pass by reference parameter...
if(formalTypePtr == RealTypePtr)
pushAddress((Address) & (moduleParamList[curParam].real));
else if(formalTypePtr == IntegerTypePtr)
pushAddress((Address) & (moduleParamList[curParam].integer));
else
return(0);
}
curParam++;
}
}
CurModuleHandle = handle;
CallModuleInit = !initCalled;
initCalled = true;
::executeChild(moduleIdPtr, functionIdPtr);
memcpy(&returnVal, &returnValue, sizeof(StackItem));
//-----------
// Summary...
return(execStatementCount);
}
TypePtr execVariable(SymTableNodePtr idPtr, UseType use)
{
TypePtr typePtr = (TypePtr)(idPtr->typePtr);
// First, point to the variable's stack item. If the variable's scope
// level is less than the current scope level, follow the static links
// to the proper stack frame base...
StackItemPtr dataPtr = nullptr;
StackItem tempStackItem;
switch (idPtr->defn.info.data.varType)
{
case VAR_TYPE_NORMAL:
{
StackFrameHeaderPtr headerPtr = (StackFrameHeaderPtr)stackFrameBasePtr;
int32_t delta = level - idPtr->level;
while (delta-- > 0)
headerPtr = (StackFrameHeaderPtr)headerPtr->staticLink.address;
dataPtr = (StackItemPtr)headerPtr + idPtr->defn.info.data.offset;
}
break;
case VAR_TYPE_ETERNAL:
dataPtr = (StackItemPtr)stack + idPtr->defn.info.data.offset;
break;
case VAR_TYPE_STATIC:
//---------------------------------------------------------
// If we're referencing a library's static variable, we may
// need to shift to its static data space temporarily...
if (idPtr->library && (idPtr->library != CurModule))
StaticDataPtr = idPtr->library->getStaticData();
dataPtr = (StackItemPtr)StaticDataPtr + idPtr->defn.info.data.offset;
if (idPtr->library && (idPtr->library != CurModule))
StaticDataPtr = CurModule->getStaticData();
break;
case VAR_TYPE_REGISTERED:
tempStackItem.address = (PSTR)idPtr->defn.info.data.registeredData;
dataPtr = &tempStackItem;
break;
}
//---------------------------------------------------------------
// If it's a scalar or enumeration reference parameter, that item
// points to the actual item...
if (idPtr->defn.key == DFN_REFPARAM)
if (typePtr->form != FRM_ARRAY) /* && (typePtr->form != FRM_RECORD)*/
dataPtr = (StackItemPtr)dataPtr->address;
ABL_Assert(dataPtr != nullptr, 0, " ABL.execVariable(): dataPtr is nullptr ");
//-----------------------------------------------------
// Now, push the address of the variable's data area...
if ((typePtr->form == FRM_ARRAY) /*|| (typePtr->form == FRM_RECORD)*/)
{
// pushInteger(typePtr->size);
pushAddress((Address)dataPtr->address);
}
else if (idPtr->defn.info.data.varType == VAR_TYPE_REGISTERED)
pushAddress((Address)dataPtr->address);
else
pushAddress((Address)dataPtr);
//-----------------------------------------------------------------------------------
// If there is a subscript (or field identifier, if records are being used
// in ABL) then modify the address to point to the proper element of the
// array (or record)...
getCodeToken();
while ((codeToken == TKN_LBRACKET) /*|| (codeTOken == TKN_PERIOD)*/)
{
// if (codeToken == TKN_LBRACKET)
typePtr = execSubscripts(typePtr);
// else if (codeToken == TKN_PERIOD)
// typePtr = execField(typePtr);
}
//------------------------------------------------------------
// Leave the modified address on the top of the stack if:
// a) it's an assignment target;
// b) it reresents a parameter passed by reference;
// c) it's the address of an array or record;
// Otherwise, replace the address with the value it points to.
if ((use != USE_TARGET) && (use != USE_REFPARAM) && (typePtr->form != FRM_ARRAY))
{
if ((typePtr == IntegerTypePtr) || (typePtr->form == FRM_ENUM))
{
tos->integer = *((int32_t*)tos->address);
}
else if (typePtr == CharTypePtr)
tos->byte = *((PSTR)tos->address);
else
tos->real = *((float*)tos->address);
}
if (debugger)
{
if ((use != USE_TARGET) && (use != USE_REFPARAM))
{
if (typePtr->form == FRM_ARRAY)
debugger->traceDataFetch(idPtr, typePtr, (StackItemPtr)tos->address);
else
debugger->traceDataFetch(idPtr, typePtr, tos);
}
}
return (typePtr);
}
void execStdReturn (void) {
memset(&returnValue, 0, sizeof(StackItem));
if (CurRoutineIdPtr->typePtr) {
//-----------------------------
// Assignment to function id...
StackFrameHeaderPtr headerPtr = (StackFrameHeaderPtr)stackFrameBasePtr;
long delta = level - CurRoutineIdPtr->level - 1;
while (delta-- > 0)
headerPtr = (StackFrameHeaderPtr)headerPtr->staticLink.address;
StackItemPtr targetPtr = (StackItemPtr)headerPtr;
TypePtr targetTypePtr = (TypePtr)(CurRoutineIdPtr->typePtr);
getCodeToken();
//---------------------------------------------------------------
// Routine execExpression() leaves the expression value on top of
// stack...
getCodeToken();
TypePtr expressionTypePtr = execExpression();
//--------------------------
// Now, do the assignment...
if ((targetTypePtr == RealTypePtr) && (expressionTypePtr == IntegerTypePtr)) {
//-------------------------
// integer assigned to real
targetPtr->real = (float)(tos->integer);
}
else if (targetTypePtr->form == FRM_ARRAY) {
//-------------------------
// Copy the array/record...
char* dest = (char*)targetPtr;
char* src = tos->address;
long size = targetTypePtr->size;
memcpy(dest, src, size);
}
else if ((targetTypePtr == IntegerTypePtr) || (targetTypePtr->form == FRM_ENUM)) {
//------------------------------------------------------
// Range check assignment to integer or enum subrange...
targetPtr->integer = tos->integer;
}
else {
//-----------------------
// Assign real to real...
targetPtr->real = tos->real;
}
//-----------------------------
// Grab the expression value...
pop();
//----------------------------------------------------------------------
// Preserve the return value, in case we need it for the calling user...
memcpy(&returnValue, targetPtr, sizeof(StackItem));
if (debugger)
debugger->traceDataStore(CurRoutineIdPtr, CurRoutineIdPtr->typePtr, targetPtr, targetTypePtr);
}
//-----------------------
// Grab the semi-colon...
getCodeToken();
if (CurRoutineIdPtr->defn.info.routine.flags & ROUTINE_FLAG_ORDER)
codeSegmentPtr = (char*)ExitOrderCodeSegment;
else if (CurRoutineIdPtr->defn.info.routine.flags & ROUTINE_FLAG_STATE)
codeSegmentPtr = (char*)ExitStateCodeSegment;
else
codeSegmentPtr = (char*)ExitRoutineCodeSegment;
ExitWithReturn = true;
getCodeToken();
}
