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Torque3D/Engine/source/console/compiledEval.cpp
Daniel Buckmaster 376db9e097 Merge pull request #705 from andr3wmac/ConsoleReturnFix 
Fix for unexpected behavior described in issue #704
2014-10-19 19:45:15 +11:00

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//-----------------------------------------------------------------------------
// Copyright (c) 2012 GarageGames, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------
#include "platform/platform.h"
#include "console/console.h"
#include "console/ast.h"
#include "core/tAlgorithm.h"
#include "core/strings/findMatch.h"
#include "core/strings/stringUnit.h"
#include "console/consoleInternal.h"
#include "core/stream/fileStream.h"
#include "console/compiler.h"
#include "console/simBase.h"
#include "console/telnetDebugger.h"
#include "sim/netStringTable.h"
#include "console/ICallMethod.h"
#include "console/stringStack.h"
#include "util/messaging/message.h"
#include "core/frameAllocator.h"
#ifndef TORQUE_TGB_ONLY
#include "materials/materialDefinition.h"
#include "materials/materialManager.h"
#endif
// Uncomment to optimize function calls at the expense of potential invalid package lookups
//#define COMPILER_OPTIMIZE_FUNCTION_CALLS
using namespace Compiler;
enum EvalConstants {
MaxStackSize = 1024,
MethodOnComponent = -2
};
namespace Con
{
// Current script file name and root, these are registered as
// console variables.
extern StringTableEntry gCurrentFile;
extern StringTableEntry gCurrentRoot;
extern S32 gObjectCopyFailures;
}
/// Frame data for a foreach/foreach$ loop.
struct IterStackRecord
{
/// If true, this is a foreach$ loop; if not, it's a foreach loop.
bool mIsStringIter;
/// The iterator variable.
Dictionary::Entry* mVariable;
/// Information for an object iterator loop.
struct ObjectPos
{
/// The set being iterated over.
SimSet* mSet;
/// Current index in the set.
U32 mIndex;
};
/// Information for a string iterator loop.
struct StringPos
{
/// The raw string data on the string stack.
const char* mString;
/// Current parsing position.
U32 mIndex;
};
union
{
ObjectPos mObj;
StringPos mStr;
} mData;
};
IterStackRecord iterStack[ MaxStackSize ];
F64 floatStack[MaxStackSize];
S64 intStack[MaxStackSize];
StringStack STR;
U32 _FLT = 0; ///< Stack pointer for floatStack.
U32 _UINT = 0; ///< Stack pointer for intStack.
U32 _ITER = 0; ///< Stack pointer for iterStack.
namespace Con
{
const char *getNamespaceList(Namespace *ns)
{
U32 size = 1;
Namespace * walk;
for(walk = ns; walk; walk = walk->mParent)
size += dStrlen(walk->mName) + 4;
char *ret = Con::getReturnBuffer(size);
ret[0] = 0;
for(walk = ns; walk; walk = walk->mParent)
{
dStrcat(ret, walk->mName);
if(walk->mParent)
dStrcat(ret, " -> ");
}
return ret;
}
}
//------------------------------------------------------------
F64 consoleStringToNumber(const char *str, StringTableEntry file, U32 line)
{
F64 val = dAtof(str);
if(val != 0)
return val;
else if(!dStricmp(str, "true"))
return 1;
else if(!dStricmp(str, "false"))
return 0;
else if(file)
{
Con::warnf(ConsoleLogEntry::General, "%s (%d): string always evaluates to 0.", file, line);
return 0;
}
return 0;
}
//------------------------------------------------------------
namespace Con
{
char *getReturnBuffer(U32 bufferSize)
{
return STR.getReturnBuffer(bufferSize);
}
char *getReturnBuffer( const char *stringToCopy )
{
U32 len = dStrlen( stringToCopy ) + 1;
char *ret = STR.getReturnBuffer( len);
dMemcpy( ret, stringToCopy, len );
return ret;
}
char* getReturnBuffer( const String& str )
{
const U32 size = str.size();
char* ret = STR.getReturnBuffer( size );
dMemcpy( ret, str.c_str(), size );
return ret;
}
char* getReturnBuffer( const StringBuilder& str )
{
char* buffer = Con::getReturnBuffer( str.length() + 1 );
str.copy( buffer );
buffer[ str.length() ] = '\0';
return buffer;
}
char *getArgBuffer(U32 bufferSize)
{
return STR.getArgBuffer(bufferSize);
}
char *getFloatArg(F64 arg)
{
char *ret = STR.getArgBuffer(32);
dSprintf(ret, 32, "%g", arg);
return ret;
}
char *getIntArg(S32 arg)
{
char *ret = STR.getArgBuffer(32);
dSprintf(ret, 32, "%d", arg);
return ret;
}
char *getStringArg( const char *arg )
{
U32 len = dStrlen( arg ) + 1;
char *ret = STR.getArgBuffer( len );
dMemcpy( ret, arg, len );
return ret;
}
char* getStringArg( const String& arg )
{
const U32 size = arg.size();
char* ret = STR.getArgBuffer( size );
dMemcpy( ret, arg.c_str(), size );
return ret;
}
}
//------------------------------------------------------------
inline void ExprEvalState::setCurVarName(StringTableEntry name)
{
if(name[0] == '$')
currentVariable = globalVars.lookup(name);
else if( getStackDepth() > 0 )
currentVariable = getCurrentFrame().lookup(name);
if(!currentVariable && gWarnUndefinedScriptVariables)
Con::warnf(ConsoleLogEntry::Script, "Variable referenced before assignment: %s", name);
}
inline void ExprEvalState::setCurVarNameCreate(StringTableEntry name)
{
if(name[0] == '$')
currentVariable = globalVars.add(name);
else if( getStackDepth() > 0 )
currentVariable = getCurrentFrame().add(name);
else
{
currentVariable = NULL;
Con::warnf(ConsoleLogEntry::Script, "Accessing local variable in global scope... failed: %s", name);
}
}
//------------------------------------------------------------
inline S32 ExprEvalState::getIntVariable()
{
return currentVariable ? currentVariable->getIntValue() : 0;
}
inline F64 ExprEvalState::getFloatVariable()
{
return currentVariable ? currentVariable->getFloatValue() : 0;
}
inline const char *ExprEvalState::getStringVariable()
{
return currentVariable ? currentVariable->getStringValue() : "";
}
//------------------------------------------------------------
inline void ExprEvalState::setIntVariable(S32 val)
{
AssertFatal(currentVariable != NULL, "Invalid evaluator state - trying to set null variable!");
currentVariable->setIntValue(val);
}
inline void ExprEvalState::setFloatVariable(F64 val)
{
AssertFatal(currentVariable != NULL, "Invalid evaluator state - trying to set null variable!");
currentVariable->setFloatValue(val);
}
inline void ExprEvalState::setStringVariable(const char *val)
{
AssertFatal(currentVariable != NULL, "Invalid evaluator state - trying to set null variable!");
currentVariable->setStringValue(val);
}
//------------------------------------------------------------
// Gets a component of an object's field value or a variable and returns it
// in val.
static void getFieldComponent( SimObject* object, StringTableEntry field, const char* array, StringTableEntry subField, char val[] )
{
const char* prevVal = NULL;
// Grab value from object.
if( object && field )
prevVal = object->getDataField( field, array );
// Otherwise, grab from the string stack. The value coming in will always
// be a string because that is how multicomponent variables are handled.
else
prevVal = STR.getStringValue();
// Make sure we got a value.
if ( prevVal && *prevVal )
{
static const StringTableEntry xyzw[] =
{
StringTable->insert( "x" ),
StringTable->insert( "y" ),
StringTable->insert( "z" ),
StringTable->insert( "w" )
};
static const StringTableEntry rgba[] =
{
StringTable->insert( "r" ),
StringTable->insert( "g" ),
StringTable->insert( "b" ),
StringTable->insert( "a" )
};
// Translate xyzw and rgba into the indexed component
// of the variable or field.
if ( subField == xyzw[0] || subField == rgba[0] )
dStrcpy( val, StringUnit::getUnit( prevVal, 0, " \t\n") );
else if ( subField == xyzw[1] || subField == rgba[1] )
dStrcpy( val, StringUnit::getUnit( prevVal, 1, " \t\n") );
else if ( subField == xyzw[2] || subField == rgba[2] )
dStrcpy( val, StringUnit::getUnit( prevVal, 2, " \t\n") );
else if ( subField == xyzw[3] || subField == rgba[3] )
dStrcpy( val, StringUnit::getUnit( prevVal, 3, " \t\n") );
else
val[0] = 0;
}
else
val[0] = 0;
}
// Sets a component of an object's field value based on the sub field. 'x' will
// set the first field, 'y' the second, and 'z' the third.
static void setFieldComponent( SimObject* object, StringTableEntry field, const char* array, StringTableEntry subField )
{
// Copy the current string value
char strValue[1024];
dStrncpy( strValue, STR.getStringValue(), 1024 );
char val[1024] = "";
const char* prevVal = NULL;
// Set the value on an object field.
if( object && field )
prevVal = object->getDataField( field, array );
// Set the value on a variable.
else if( gEvalState.currentVariable )
prevVal = gEvalState.getStringVariable();
// Ensure that the variable has a value
if (!prevVal)
return;
static const StringTableEntry xyzw[] =
{
StringTable->insert( "x" ),
StringTable->insert( "y" ),
StringTable->insert( "z" ),
StringTable->insert( "w" )
};
static const StringTableEntry rgba[] =
{
StringTable->insert( "r" ),
StringTable->insert( "g" ),
StringTable->insert( "b" ),
StringTable->insert( "a" )
};
// Insert the value into the specified
// component of the string.
if ( subField == xyzw[0] || subField == rgba[0] )
dStrcpy( val, StringUnit::setUnit( prevVal, 0, strValue, " \t\n") );
else if ( subField == xyzw[1] || subField == rgba[1] )
dStrcpy( val, StringUnit::setUnit( prevVal, 1, strValue, " \t\n") );
else if ( subField == xyzw[2] || subField == rgba[2] )
dStrcpy( val, StringUnit::setUnit( prevVal, 2, strValue, " \t\n") );
else if ( subField == xyzw[3] || subField == rgba[3] )
dStrcpy( val, StringUnit::setUnit( prevVal, 3, strValue, " \t\n") );
if ( val[0] != 0 )
{
// Update the field or variable.
if( object && field )
object->setDataField( field, 0, val );
else if( gEvalState.currentVariable )
gEvalState.setStringVariable( val );
}
}
const char *CodeBlock::exec(U32 ip, const char *functionName, Namespace *thisNamespace, U32 argc, const char **argv, bool noCalls, StringTableEntry packageName, S32 setFrame)
{
#ifdef TORQUE_DEBUG
U32 stackStart = STR.mStartStackSize;
#endif
static char traceBuffer[1024];
U32 i;
U32 iterDepth = 0;
incRefCount();
F64 *curFloatTable;
char *curStringTable;
S32 curStringTableLen = 0; //clint to ensure we dont overwrite it
STR.clearFunctionOffset();
StringTableEntry thisFunctionName = NULL;
bool popFrame = false;
if(argv)
{
// assume this points into a function decl:
U32 fnArgc = code[ip + 2 + 6];
thisFunctionName = CodeToSTE(code, ip);
argc = getMin(argc-1, fnArgc); // argv[0] is func name
if(gEvalState.traceOn)
{
traceBuffer[0] = 0;
dStrcat(traceBuffer, "Entering ");
if(packageName)
{
dStrcat(traceBuffer, "[");
dStrcat(traceBuffer, packageName);
dStrcat(traceBuffer, "]");
}
if(thisNamespace && thisNamespace->mName)
{
dSprintf(traceBuffer + dStrlen(traceBuffer), sizeof(traceBuffer) - dStrlen(traceBuffer),
"%s::%s(", thisNamespace->mName, thisFunctionName);
}
else
{
dSprintf(traceBuffer + dStrlen(traceBuffer), sizeof(traceBuffer) - dStrlen(traceBuffer),
"%s(", thisFunctionName);
}
for(i = 0; i < argc; i++)
{
dStrcat(traceBuffer, argv[i+1]);
if(i != argc - 1)
dStrcat(traceBuffer, ", ");
}
dStrcat(traceBuffer, ")");
Con::printf("%s", traceBuffer);
}
gEvalState.pushFrame(thisFunctionName, thisNamespace);
popFrame = true;
for(i = 0; i < argc; i++)
{
StringTableEntry var = CodeToSTE(code, ip + (2 + 6 + 1) + (i * 2));
gEvalState.setCurVarNameCreate(var);
gEvalState.setStringVariable(argv[i+1]);
}
ip = ip + (fnArgc * 2) + (2 + 6 + 1);
curFloatTable = functionFloats;
curStringTable = functionStrings;
curStringTableLen = functionStringsMaxLen;
}
else
{
curFloatTable = globalFloats;
curStringTable = globalStrings;
curStringTableLen = globalStringsMaxLen;
// If requested stack frame isn't available, request a new one
// (this prevents assert failures when creating local
// variables without a stack frame)
if (gEvalState.getStackDepth() <= setFrame)
setFrame = -1;
// Do we want this code to execute using a new stack frame?
if (setFrame < 0)
{
gEvalState.pushFrame(NULL, NULL);
popFrame = true;
}
else
{
// We want to copy a reference to an existing stack frame
// on to the top of the stack. Any change that occurs to
// the locals during this new frame will also occur in the
// original frame.
S32 stackIndex = gEvalState.getStackDepth() - setFrame - 1;
gEvalState.pushFrameRef( stackIndex );
popFrame = true;
}
}
// Grab the state of the telenet debugger here once
// so that the push and pop frames are always balanced.
const bool telDebuggerOn = TelDebugger && TelDebugger->isConnected();
if ( telDebuggerOn && setFrame < 0 )
TelDebugger->pushStackFrame();
StringTableEntry var, objParent;
StringTableEntry fnName;
StringTableEntry fnNamespace, fnPackage;
// Add local object creation stack [7/9/2007 Black]
static const U32 objectCreationStackSize = 32;
U32 objectCreationStackIndex = 0;
struct {
SimObject *newObject;
U32 failJump;
} objectCreationStack[ objectCreationStackSize ];
SimObject *currentNewObject = 0;
U32 failJump = 0;
StringTableEntry prevField = NULL;
StringTableEntry curField = NULL;
SimObject *prevObject = NULL;
SimObject *curObject = NULL;
SimObject *saveObject=NULL;
Namespace::Entry *nsEntry;
Namespace *ns;
const char* curFNDocBlock = NULL;
const char* curNSDocBlock = NULL;
const S32 nsDocLength = 128;
char nsDocBlockClass[nsDocLength];
U32 callArgc;
const char **callArgv;
static char curFieldArray[256];
static char prevFieldArray[256];
CodeBlock *saveCodeBlock = smCurrentCodeBlock;
smCurrentCodeBlock = this;
if(this->name)
{
Con::gCurrentFile = this->name;
Con::gCurrentRoot = this->modPath;
}
const char * val;
// The frame temp is used by the variable accessor ops (OP_SAVEFIELD_* and
// OP_LOADFIELD_*) to store temporary values for the fields.
static S32 VAL_BUFFER_SIZE = 1024;
FrameTemp<char> valBuffer( VAL_BUFFER_SIZE );
for(;;)
{
U32 instruction = code[ip++];
nsEntry = NULL;
breakContinue:
switch(instruction)
{
case OP_FUNC_DECL:
if(!noCalls)
{
fnName = CodeToSTE(code, ip);
fnNamespace = CodeToSTE(code, ip+2);
fnPackage = CodeToSTE(code, ip+4);
bool hasBody = ( code[ ip + 6 ] & 0x01 ) != 0;
U32 lineNumber = code[ ip + 6 ] >> 1;
Namespace::unlinkPackages();
ns = Namespace::find(fnNamespace, fnPackage);
ns->addFunction(fnName, this, hasBody ? ip : 0, curFNDocBlock ? dStrdup( curFNDocBlock ) : NULL, lineNumber );// if no body, set the IP to 0
if( curNSDocBlock )
{
if( fnNamespace == StringTable->lookup( nsDocBlockClass ) )
{
char *usageStr = dStrdup( curNSDocBlock );
usageStr[dStrlen(usageStr)] = '\0';
ns->mUsage = usageStr;
ns->mCleanUpUsage = true;
curNSDocBlock = NULL;
}
}
Namespace::relinkPackages();
// If we had a docblock, it's definitely not valid anymore, so clear it out.
curFNDocBlock = NULL;
//Con::printf("Adding function %s::%s (%d)", fnNamespace, fnName, ip);
}
ip = code[ip + 7];
break;
case OP_CREATE_OBJECT:
{
// Read some useful info.
objParent = CodeToSTE(code, ip);
bool isDataBlock = code[ip + 2];
bool isInternal = code[ip + 3];
bool isSingleton = code[ip + 4];
U32 lineNumber = code[ip + 5];
failJump = code[ip + 6];
// If we don't allow calls, we certainly don't allow creating objects!
// Moved this to after failJump is set. Engine was crashing when
// noCalls = true and an object was being created at the beginning of
// a file. ADL.
if(noCalls)
{
ip = failJump;
break;
}
// Push the old info to the stack
//Assert( objectCreationStackIndex < objectCreationStackSize );
objectCreationStack[ objectCreationStackIndex ].newObject = currentNewObject;
objectCreationStack[ objectCreationStackIndex++ ].failJump = failJump;
// Get the constructor information off the stack.
STR.getArgcArgv(NULL, &callArgc, &callArgv);
const char* objectName = callArgv[ 2 ];
// Con::printf("Creating object...");
// objectName = argv[1]...
currentNewObject = NULL;
// Are we creating a datablock? If so, deal with case where we override
// an old one.
if(isDataBlock)
{
// Con::printf(" - is a datablock");
// Find the old one if any.
SimObject *db = Sim::getDataBlockGroup()->findObject( objectName );
// Make sure we're not changing types on ourselves...
if(db && dStricmp(db->getClassName(), callArgv[1]))
{
Con::errorf(ConsoleLogEntry::General, "%s: Cannot re-declare data block %s with a different class.", getFileLine(ip), objectName);
ip = failJump;
STR.popFrame();
break;
}
// If there was one, set the currentNewObject and move on.
if(db)
currentNewObject = db;
}
else if (!isInternal)
{
// IF we aren't looking at a local/internal object, then check if
// this object already exists in the global space
AbstractClassRep* rep = AbstractClassRep::findClassRep( objectName );
if (rep != NULL) {
Con::errorf(ConsoleLogEntry::General, "%s: Cannot name object [%s] the same name as a script class.",
getFileLine(ip), objectName);
ip = failJump;
STR.popFrame();
break;
}
SimObject *obj = Sim::findObject( objectName );
if (obj /*&& !obj->isLocalName()*/)
{
if ( isSingleton )
{
// Make sure we're not trying to change types
if ( dStricmp( obj->getClassName(), callArgv[1] ) != 0 )
{
Con::errorf(ConsoleLogEntry::General, "%s: Cannot re-declare object [%s] with a different class [%s] - was [%s].",
getFileLine(ip), objectName, callArgv[1], obj->getClassName());
ip = failJump;
STR.popFrame();
break;
}
// We're creating a singleton, so use the found object
// instead of creating a new object.
currentNewObject = obj;
}
else
{
const char* redefineBehavior = Con::getVariable( "$Con::redefineBehavior" );
if( dStricmp( redefineBehavior, "replaceExisting" ) == 0 )
{
// Save our constructor args as the argv vector is stored on the
// string stack and may get stomped if deleteObject triggers
// script execution.
const char* savedArgv[ StringStack::MaxArgs ];
dMemcpy( savedArgv, callArgv, sizeof( savedArgv[ 0 ] ) * callArgc );
obj->deleteObject();
obj = NULL;
dMemcpy( callArgv, savedArgv, sizeof( callArgv[ 0 ] ) * callArgc );
}
else if( dStricmp( redefineBehavior, "renameNew" ) == 0 )
{
for( U32 i = 1;; ++ i )
{
String newName = String::ToString( "%s%i", objectName, i );
if( !Sim::findObject( newName ) )
{
objectName = StringTable->insert( newName );
break;
}
}
}
else if( dStricmp( redefineBehavior, "unnameNew" ) == 0 )
{
objectName = StringTable->insert( "" );
}
else if( dStricmp( redefineBehavior, "postfixNew" ) == 0 )
{
const char* postfix = Con::getVariable( "$Con::redefineBehaviorPostfix" );
String newName = String::ToString( "%s%s", objectName, postfix );
if( Sim::findObject( newName ) )
{
Con::errorf( ConsoleLogEntry::General, "%s: Cannot re-declare object with postfix [%s].",
getFileLine(ip), newName.c_str() );
ip = failJump;
STR.popFrame();
break;
}
else
objectName = StringTable->insert( newName );
}
else
{
Con::errorf(ConsoleLogEntry::General, "%s: Cannot re-declare object [%s].",
getFileLine(ip), objectName);
ip = failJump;
STR.popFrame();
break;
}
}
}
}
STR.popFrame();
if(!currentNewObject)
{
// Well, looks like we have to create a new object.
ConsoleObject *object = ConsoleObject::create(callArgv[1]);
// Deal with failure!
if(!object)
{
Con::errorf(ConsoleLogEntry::General, "%s: Unable to instantiate non-conobject class %s.", getFileLine(ip), callArgv[1]);
ip = failJump;
break;
}
// Do special datablock init if appropros
if(isDataBlock)
{
SimDataBlock *dataBlock = dynamic_cast<SimDataBlock *>(object);
if(dataBlock)
{
dataBlock->assignId();
}
else
{
// They tried to make a non-datablock with a datablock keyword!
Con::errorf(ConsoleLogEntry::General, "%s: Unable to instantiate non-datablock class %s.", getFileLine(ip), callArgv[1]);
// Clean up...
delete object;
ip = failJump;
break;
}
}
// Finally, set currentNewObject to point to the new one.
currentNewObject = dynamic_cast<SimObject *>(object);
// Deal with the case of a non-SimObject.
if(!currentNewObject)
{
Con::errorf(ConsoleLogEntry::General, "%s: Unable to instantiate non-SimObject class %s.", getFileLine(ip), callArgv[1]);
delete object;
ip = failJump;
break;
}
// Set the declaration line
currentNewObject->setDeclarationLine(lineNumber);
// Set the file that this object was created in
currentNewObject->setFilename(name);
// Does it have a parent object? (ie, the copy constructor : syntax, not inheriance)
if(*objParent)
{
// Find it!
SimObject *parent;
if(Sim::findObject(objParent, parent))
{
// Con::printf(" - Parent object found: %s", parent->getClassName());
currentNewObject->setCopySource( parent );
currentNewObject->assignFieldsFrom( parent );
}
else
{
if ( Con::gObjectCopyFailures == -1 )
Con::errorf(ConsoleLogEntry::General, "%s: Unable to find parent object %s for %s.", getFileLine(ip), objParent, callArgv[1]);
else
++Con::gObjectCopyFailures;
// Fail to create the object.
delete object;
ip = failJump;
break;
}
}
// If a name was passed, assign it.
if( objectName[ 0 ] )
{
if( !isInternal )
currentNewObject->assignName( objectName );
else
currentNewObject->setInternalName( objectName );
// Set the original name
currentNewObject->setOriginalName( objectName );
}
// Do the constructor parameters.
if(!currentNewObject->processArguments(callArgc-3, callArgv+3))
{
delete currentNewObject;
currentNewObject = NULL;
ip = failJump;
break;
}
// If it's not a datablock, allow people to modify bits of it.
if(!isDataBlock)
{
currentNewObject->setModStaticFields(true);
currentNewObject->setModDynamicFields(true);
}
}
// Advance the IP past the create info...
ip += 7;
break;
}
case OP_ADD_OBJECT:
{
// See OP_SETCURVAR for why we do this.
curFNDocBlock = NULL;
curNSDocBlock = NULL;
// Do we place this object at the root?
bool placeAtRoot = code[ip++];
// Con::printf("Adding object %s", currentNewObject->getName());
// Make sure it wasn't already added, then add it.
if(currentNewObject->isProperlyAdded() == false)
{
bool ret = false;
Message *msg = dynamic_cast<Message *>(currentNewObject);
if(msg)
{
SimObjectId id = Message::getNextMessageID();
if(id != 0xffffffff)
ret = currentNewObject->registerObject(id);
else
Con::errorf("%s: No more object IDs available for messages", getFileLine(ip));
}
else
ret = currentNewObject->registerObject();
if(! ret)
{
// This error is usually caused by failing to call Parent::initPersistFields in the class' initPersistFields().
Con::warnf(ConsoleLogEntry::General, "%s: Register object failed for object %s of class %s.", getFileLine(ip), currentNewObject->getName(), currentNewObject->getClassName());
delete currentNewObject;
ip = failJump;
break;
}
}
// Are we dealing with a datablock?
SimDataBlock *dataBlock = dynamic_cast<SimDataBlock *>(currentNewObject);
static String errorStr;
// If so, preload it.
if(dataBlock && !dataBlock->preload(true, errorStr))
{
Con::errorf(ConsoleLogEntry::General, "%s: preload failed for %s: %s.", getFileLine(ip),
currentNewObject->getName(), errorStr.c_str());
dataBlock->deleteObject();
ip = failJump;
break;
}
// What group will we be added to, if any?
U32 groupAddId = intStack[_UINT];
SimGroup *grp = NULL;
SimSet *set = NULL;
bool isMessage = dynamic_cast<Message *>(currentNewObject) != NULL;
if(!placeAtRoot || !currentNewObject->getGroup())
{
if(! isMessage)
{
if(! placeAtRoot)
{
// Otherwise just add to the requested group or set.
if(!Sim::findObject(groupAddId, grp))
Sim::findObject(groupAddId, set);
}
if(placeAtRoot)
{
// Deal with the instantGroup if we're being put at the root or we're adding to a component.
if( Con::gInstantGroup.isEmpty()
|| !Sim::findObject( Con::gInstantGroup, grp ) )
grp = Sim::getRootGroup();
}
}
// If we didn't get a group, then make sure we have a pointer to
// the rootgroup.
if(!grp)
grp = Sim::getRootGroup();
// add to the parent group
grp->addObject(currentNewObject);
// If for some reason the add failed, add the object to the
// root group so it won't leak.
if( !currentNewObject->getGroup() )
Sim::getRootGroup()->addObject( currentNewObject );
// add to any set we might be in
if(set)
set->addObject(currentNewObject);
}
// store the new object's ID on the stack (overwriting the group/set
// id, if one was given, otherwise getting pushed)
if(placeAtRoot)
intStack[_UINT] = currentNewObject->getId();
else
intStack[++_UINT] = currentNewObject->getId();
break;
}
case OP_END_OBJECT:
{
// If we're not to be placed at the root, make sure we clean up
// our group reference.
bool placeAtRoot = code[ip++];
if(!placeAtRoot)
_UINT--;
break;
}
case OP_FINISH_OBJECT:
{
//Assert( objectCreationStackIndex >= 0 );
// Restore the object info from the stack [7/9/2007 Black]
currentNewObject = objectCreationStack[ --objectCreationStackIndex ].newObject;
failJump = objectCreationStack[ objectCreationStackIndex ].failJump;
break;
}
case OP_JMPIFFNOT:
if(floatStack[_FLT--])
{
ip++;
break;
}
ip = code[ip];
break;
case OP_JMPIFNOT:
if(intStack[_UINT--])
{
ip++;
break;
}
ip = code[ip];
break;
case OP_JMPIFF:
if(!floatStack[_FLT--])
{
ip++;
break;
}
ip = code[ip];
break;
case OP_JMPIF:
if(!intStack[_UINT--])
{
ip ++;
break;
}
ip = code[ip];
break;
case OP_JMPIFNOT_NP:
if(intStack[_UINT])
{
_UINT--;
ip++;
break;
}
ip = code[ip];
break;
case OP_JMPIF_NP:
if(!intStack[_UINT])
{
_UINT--;
ip++;
break;
}
ip = code[ip];
break;
case OP_JMP:
ip = code[ip];
break;
// This fixes a bug when not explicitly returning a value.
case OP_RETURN_VOID:
STR.setStringValue("");
// We're falling thru here on purpose.
case OP_RETURN:
if( iterDepth > 0 )
{
// Clear iterator state.
while( iterDepth > 0 )
{
iterStack[ -- _ITER ].mIsStringIter = false;
-- iterDepth;
}
const char* returnValue = STR.getStringValue();
STR.rewind();
STR.setStringValue( returnValue ); // Not nice but works.
}
goto execFinished;
case OP_CMPEQ:
intStack[_UINT+1] = bool(floatStack[_FLT] == floatStack[_FLT-1]);
_UINT++;
_FLT -= 2;
break;
case OP_CMPGR:
intStack[_UINT+1] = bool(floatStack[_FLT] > floatStack[_FLT-1]);
_UINT++;
_FLT -= 2;
break;
case OP_CMPGE:
intStack[_UINT+1] = bool(floatStack[_FLT] >= floatStack[_FLT-1]);
_UINT++;
_FLT -= 2;
break;
case OP_CMPLT:
intStack[_UINT+1] = bool(floatStack[_FLT] < floatStack[_FLT-1]);
_UINT++;
_FLT -= 2;
break;
case OP_CMPLE:
intStack[_UINT+1] = bool(floatStack[_FLT] <= floatStack[_FLT-1]);
_UINT++;
_FLT -= 2;
break;
case OP_CMPNE:
intStack[_UINT+1] = bool(floatStack[_FLT] != floatStack[_FLT-1]);
_UINT++;
_FLT -= 2;
break;
case OP_XOR:
intStack[_UINT-1] = intStack[_UINT] ^ intStack[_UINT-1];
_UINT--;
break;
case OP_MOD:
if( intStack[_UINT-1] != 0 )
intStack[_UINT-1] = intStack[_UINT] % intStack[_UINT-1];
else
intStack[_UINT-1] = 0;
_UINT--;
break;
case OP_BITAND:
intStack[_UINT-1] = intStack[_UINT] & intStack[_UINT-1];
_UINT--;
break;
case OP_BITOR:
intStack[_UINT-1] = intStack[_UINT] | intStack[_UINT-1];
_UINT--;
break;
case OP_NOT:
intStack[_UINT] = !intStack[_UINT];
break;
case OP_NOTF:
intStack[_UINT+1] = !floatStack[_FLT];
_FLT--;
_UINT++;
break;
case OP_ONESCOMPLEMENT:
intStack[_UINT] = ~intStack[_UINT];
break;
case OP_SHR:
intStack[_UINT-1] = intStack[_UINT] >> intStack[_UINT-1];
_UINT--;
break;
case OP_SHL:
intStack[_UINT-1] = intStack[_UINT] << intStack[_UINT-1];
_UINT--;
break;
case OP_AND:
intStack[_UINT-1] = intStack[_UINT] && intStack[_UINT-1];
_UINT--;
break;
case OP_OR:
intStack[_UINT-1] = intStack[_UINT] || intStack[_UINT-1];
_UINT--;
break;
case OP_ADD:
floatStack[_FLT-1] = floatStack[_FLT] + floatStack[_FLT-1];
_FLT--;
break;
case OP_SUB:
floatStack[_FLT-1] = floatStack[_FLT] - floatStack[_FLT-1];
_FLT--;
break;
case OP_MUL:
floatStack[_FLT-1] = floatStack[_FLT] * floatStack[_FLT-1];
_FLT--;
break;
case OP_DIV:
floatStack[_FLT-1] = floatStack[_FLT] / floatStack[_FLT-1];
_FLT--;
break;
case OP_NEG:
floatStack[_FLT] = -floatStack[_FLT];
break;
case OP_SETCURVAR:
var = CodeToSTE(code, ip);
ip += 2;
// If a variable is set, then these must be NULL. It is necessary
// to set this here so that the vector parser can appropriately
// identify whether it's dealing with a vector.
prevField = NULL;
prevObject = NULL;
curObject = NULL;
gEvalState.setCurVarName(var);
// In order to let docblocks work properly with variables, we have
// clear the current docblock when we do an assign. This way it
// won't inappropriately carry forward to following function decls.
curFNDocBlock = NULL;
curNSDocBlock = NULL;
break;
case OP_SETCURVAR_CREATE:
var = CodeToSTE(code, ip);
ip += 2;
// See OP_SETCURVAR
prevField = NULL;
prevObject = NULL;
curObject = NULL;
gEvalState.setCurVarNameCreate(var);
// See OP_SETCURVAR for why we do this.
curFNDocBlock = NULL;
curNSDocBlock = NULL;
break;
case OP_SETCURVAR_ARRAY:
var = STR.getSTValue();
// See OP_SETCURVAR
prevField = NULL;
prevObject = NULL;
curObject = NULL;
gEvalState.setCurVarName(var);
// See OP_SETCURVAR for why we do this.
curFNDocBlock = NULL;
curNSDocBlock = NULL;
break;
case OP_SETCURVAR_ARRAY_CREATE:
var = STR.getSTValue();
// See OP_SETCURVAR
prevField = NULL;
prevObject = NULL;
curObject = NULL;
gEvalState.setCurVarNameCreate(var);
// See OP_SETCURVAR for why we do this.
curFNDocBlock = NULL;
curNSDocBlock = NULL;
break;
case OP_LOADVAR_UINT:
intStack[_UINT+1] = gEvalState.getIntVariable();
_UINT++;
break;
case OP_LOADVAR_FLT:
floatStack[_FLT+1] = gEvalState.getFloatVariable();
_FLT++;
break;
case OP_LOADVAR_STR:
val = gEvalState.getStringVariable();
STR.setStringValue(val);
break;
case OP_SAVEVAR_UINT:
gEvalState.setIntVariable(intStack[_UINT]);
break;
case OP_SAVEVAR_FLT:
gEvalState.setFloatVariable(floatStack[_FLT]);
break;
case OP_SAVEVAR_STR:
gEvalState.setStringVariable(STR.getStringValue());
break;
case OP_SETCUROBJECT:
// Save the previous object for parsing vector fields.
prevObject = curObject;
val = STR.getStringValue();
// Sim::findObject will sometimes find valid objects from
// multi-component strings. This makes sure that doesn't
// happen.
for( const char* check = val; *check; check++ )
{
if( *check == ' ' )
{
val = "";
break;
}
}
curObject = Sim::findObject(val);
break;
case OP_SETCUROBJECT_INTERNAL:
++ip; // To skip the recurse flag if the object wasn't found
if(curObject)
{
SimSet *set = dynamic_cast<SimSet *>(curObject);
if(set)
{
StringTableEntry intName = StringTable->insert(STR.getStringValue());
bool recurse = code[ip-1];
SimObject *obj = set->findObjectByInternalName(intName, recurse);
intStack[_UINT+1] = obj ? obj->getId() : 0;
_UINT++;
}
else
{
Con::errorf(ConsoleLogEntry::Script, "%s: Attempt to use -> on non-set %s of class %s.", getFileLine(ip-2), curObject->getName(), curObject->getClassName());
intStack[_UINT] = 0;
}
}
break;
case OP_SETCUROBJECT_NEW:
curObject = currentNewObject;
break;
case OP_SETCURFIELD:
// Save the previous field for parsing vector fields.
prevField = curField;
dStrcpy( prevFieldArray, curFieldArray );
curField = CodeToSTE(code, ip);
curFieldArray[0] = 0;
ip += 2;
break;
case OP_SETCURFIELD_ARRAY:
dStrcpy(curFieldArray, STR.getStringValue());
break;
case OP_SETCURFIELD_TYPE:
if(curObject)
curObject->setDataFieldType(code[ip], curField, curFieldArray);
ip++;
break;
case OP_LOADFIELD_UINT:
if(curObject)
intStack[_UINT+1] = U32(dAtoi(curObject->getDataField(curField, curFieldArray)));
else
{
// The field is not being retrieved from an object. Maybe it's
// a special accessor?
getFieldComponent( prevObject, prevField, prevFieldArray, curField, valBuffer );
intStack[_UINT+1] = dAtoi( valBuffer );
}
_UINT++;
break;
case OP_LOADFIELD_FLT:
if(curObject)
floatStack[_FLT+1] = dAtof(curObject->getDataField(curField, curFieldArray));
else
{
// The field is not being retrieved from an object. Maybe it's
// a special accessor?
getFieldComponent( prevObject, prevField, prevFieldArray, curField, valBuffer );
floatStack[_FLT+1] = dAtof( valBuffer );
}
_FLT++;
break;
case OP_LOADFIELD_STR:
if(curObject)
{
val = curObject->getDataField(curField, curFieldArray);
STR.setStringValue( val );
}
else
{
// The field is not being retrieved from an object. Maybe it's
// a special accessor?
getFieldComponent( prevObject, prevField, prevFieldArray, curField, valBuffer );
STR.setStringValue( valBuffer );
}
break;
case OP_SAVEFIELD_UINT:
STR.setIntValue(intStack[_UINT]);
if(curObject)
curObject->setDataField(curField, curFieldArray, STR.getStringValue());
else
{
// The field is not being set on an object. Maybe it's
// a special accessor?
setFieldComponent( prevObject, prevField, prevFieldArray, curField );
prevObject = NULL;
}
break;
case OP_SAVEFIELD_FLT:
STR.setFloatValue(floatStack[_FLT]);
if(curObject)
curObject->setDataField(curField, curFieldArray, STR.getStringValue());
else
{
// The field is not being set on an object. Maybe it's
// a special accessor?
setFieldComponent( prevObject, prevField, prevFieldArray, curField );
prevObject = NULL;
}
break;
case OP_SAVEFIELD_STR:
if(curObject)
curObject->setDataField(curField, curFieldArray, STR.getStringValue());
else
{
// The field is not being set on an object. Maybe it's
// a special accessor?
setFieldComponent( prevObject, prevField, prevFieldArray, curField );
prevObject = NULL;
}
break;
case OP_STR_TO_UINT:
intStack[_UINT+1] = STR.getIntValue();
_UINT++;
break;
case OP_STR_TO_FLT:
floatStack[_FLT+1] = STR.getFloatValue();
_FLT++;
break;
case OP_STR_TO_NONE:
// This exists simply to deal with certain typecast situations.
break;
case OP_FLT_TO_UINT:
intStack[_UINT+1] = (S64)floatStack[_FLT];
_FLT--;
_UINT++;
break;
case OP_FLT_TO_STR:
STR.setFloatValue(floatStack[_FLT]);
_FLT--;
break;
case OP_FLT_TO_NONE:
_FLT--;
break;
case OP_UINT_TO_FLT:
floatStack[_FLT+1] = (F32)intStack[_UINT];
_UINT--;
_FLT++;
break;
case OP_UINT_TO_STR:
STR.setIntValue(intStack[_UINT]);
_UINT--;
break;
case OP_UINT_TO_NONE:
_UINT--;
break;
case OP_LOADIMMED_UINT:
intStack[_UINT+1] = code[ip++];
_UINT++;
break;
case OP_LOADIMMED_FLT:
floatStack[_FLT+1] = curFloatTable[code[ip]];
ip++;
_FLT++;
break;
case OP_TAG_TO_STR:
code[ip-1] = OP_LOADIMMED_STR;
// it's possible the string has already been converted
if(U8(curStringTable[code[ip]]) != StringTagPrefixByte)
{
U32 id = GameAddTaggedString(curStringTable + code[ip]);
dSprintf(curStringTable + code[ip] + 1, 7, "%d", id);
*(curStringTable + code[ip]) = StringTagPrefixByte;
}
case OP_LOADIMMED_STR:
STR.setStringValue(curStringTable + code[ip++]);
break;
case OP_DOCBLOCK_STR:
{
// If the first word of the doc is '\class' or '@class', then this
// is a namespace doc block, otherwise it is a function doc block.
const char* docblock = curStringTable + code[ip++];
const char* sansClass = dStrstr( docblock, "@class" );
if( !sansClass )
sansClass = dStrstr( docblock, "\\class" );
if( sansClass )
{
// Don't save the class declaration. Scan past the 'class'
// keyword and up to the first whitespace.
sansClass += 7;
S32 index = 0;
while( ( *sansClass != ' ' ) && ( *sansClass != '\n' ) && *sansClass && ( index < ( nsDocLength - 1 ) ) )
{
nsDocBlockClass[index++] = *sansClass;
sansClass++;
}
nsDocBlockClass[index] = '\0';
curNSDocBlock = sansClass + 1;
}
else
curFNDocBlock = docblock;
}
break;
case OP_LOADIMMED_IDENT:
STR.setStringValue(CodeToSTE(code, ip));
ip += 2;
break;
case OP_CALLFUNC_RESOLVE:
// This deals with a function that is potentially living in a namespace.
fnNamespace = CodeToSTE(code, ip+2);
fnName = CodeToSTE(code, ip);
// Try to look it up.
ns = Namespace::find(fnNamespace);
nsEntry = ns->lookup(fnName);
if(!nsEntry)
{
ip+= 5;
Con::warnf(ConsoleLogEntry::General,
"%s: Unable to find function %s%s%s",
getFileLine(ip-7), fnNamespace ? fnNamespace : "",
fnNamespace ? "::" : "", fnName);
STR.popFrame();
break;
}
#ifdef COMPILER_OPTIMIZE_FUNCTION_CALLS
// Now fall through to OP_CALLFUNC...
// Now, rewrite our code a bit (ie, avoid future lookups) and fall
// through to OP_CALLFUNC
#ifdef TORQUE_CPU_X64
*((U64*)(code+ip+2)) = ((U64)nsEntry);
#else
code[ip+2] = ((U32)nsEntry);
#endif
code[ip-1] = OP_CALLFUNC;
#endif
case OP_CALLFUNC:
{
// This routingId is set when we query the object as to whether
// it handles this method. It is set to an enum from the table
// above indicating whether it handles it on a component it owns
// or just on the object.
S32 routingId = 0;
fnName = CodeToSTE(code, ip);
//if this is called from inside a function, append the ip and codeptr
if( gEvalState.getStackDepth() > 0 )
{
gEvalState.getCurrentFrame().code = this;
gEvalState.getCurrentFrame().ip = ip - 1;
}
U32 callType = code[ip+4];
ip += 5;
STR.getArgcArgv(fnName, &callArgc, &callArgv);
const char *componentReturnValue = "";
if(callType == FuncCallExprNode::FunctionCall)
{
if( !nsEntry )
{
#ifdef COMPILER_OPTIMIZE_FUNCTION_CALLS
#ifdef TORQUE_CPU_X64
nsEntry = ((Namespace::Entry *) *((U64*)(code+ip-3)));
#else
nsEntry = ((Namespace::Entry *) *(code+ip-3));
#endif
#else
nsEntry = Namespace::global()->lookup( fnName );
#endif
ns = NULL;
}
ns = NULL;
}
else if(callType == FuncCallExprNode::MethodCall)
{
saveObject = gEvalState.thisObject;
gEvalState.thisObject = Sim::findObject(callArgv[1]);
if(!gEvalState.thisObject)
{
// Go back to the previous saved object.
gEvalState.thisObject = saveObject;
Con::warnf(ConsoleLogEntry::General,"%s: Unable to find object: '%s' attempting to call function '%s'", getFileLine(ip-4), callArgv[1], fnName);
STR.popFrame();
STR.setStringValue("");
break;
}
bool handlesMethod = gEvalState.thisObject->handlesConsoleMethod(fnName,&routingId);
if( handlesMethod && routingId == MethodOnComponent )
{
ICallMethod *pComponent = dynamic_cast<ICallMethod *>( gEvalState.thisObject );
if( pComponent )
componentReturnValue = pComponent->callMethodArgList( callArgc, callArgv, false );
}
ns = gEvalState.thisObject->getNamespace();
if(ns)
nsEntry = ns->lookup(fnName);
else
nsEntry = NULL;
}
else // it's a ParentCall
{
if(thisNamespace)
{
ns = thisNamespace->mParent;
if(ns)
nsEntry = ns->lookup(fnName);
else
nsEntry = NULL;
}
else
{
ns = NULL;
nsEntry = NULL;
}
}
Namespace::Entry::CallbackUnion * nsCb = NULL;
const char * nsUsage = NULL;
if (nsEntry)
{
nsCb = &nsEntry->cb;
nsUsage = nsEntry->mUsage;
routingId = 0;
}
if(!nsEntry || noCalls)
{
if(!noCalls && !( routingId == MethodOnComponent ) )
{
Con::warnf(ConsoleLogEntry::General,"%s: Unknown command %s.", getFileLine(ip-6), fnName);
if(callType == FuncCallExprNode::MethodCall)
{
Con::warnf(ConsoleLogEntry::General, " Object %s(%d) %s",
gEvalState.thisObject->getName() ? gEvalState.thisObject->getName() : "",
gEvalState.thisObject->getId(), Con::getNamespaceList(ns) );
}
}
STR.popFrame();
if( routingId == MethodOnComponent )
STR.setStringValue( componentReturnValue );
else
STR.setStringValue( "" );
break;
}
if(nsEntry->mType == Namespace::Entry::ConsoleFunctionType)
{
const char *ret = "";
if(nsEntry->mFunctionOffset)
ret = nsEntry->mCode->exec(nsEntry->mFunctionOffset, fnName, nsEntry->mNamespace, callArgc, callArgv, false, nsEntry->mPackage);
STR.popFrame();
STR.setStringValue(ret);
}
else
{
const char* nsName = ns? ns->mName: "";
#ifndef TORQUE_DEBUG
// [tom, 12/13/2006] This stops tools functions from working in the console,
// which is useful behavior when debugging so I'm ifdefing this out for debug builds.
if(nsEntry->mToolOnly && ! Con::isCurrentScriptToolScript())
{
Con::errorf(ConsoleLogEntry::Script, "%s: %s::%s - attempting to call tools only function from outside of tools.", getFileLine(ip-6), nsName, fnName);
}
else
#endif
if((nsEntry->mMinArgs && S32(callArgc) < nsEntry->mMinArgs) || (nsEntry->mMaxArgs && S32(callArgc) > nsEntry->mMaxArgs))
{
Con::warnf(ConsoleLogEntry::Script, "%s: %s::%s - wrong number of arguments (got %i, expected min %i and max %i).",
getFileLine(ip-6), nsName, fnName,
callArgc, nsEntry->mMinArgs, nsEntry->mMaxArgs);
Con::warnf(ConsoleLogEntry::Script, "%s: usage: %s", getFileLine(ip-6), nsEntry->mUsage);
STR.popFrame();
}
else
{
switch(nsEntry->mType)
{
case Namespace::Entry::StringCallbackType:
{
const char *ret = nsEntry->cb.mStringCallbackFunc(gEvalState.thisObject, callArgc, callArgv);
STR.popFrame();
if(ret != STR.getStringValue())
STR.setStringValue(ret);
else
STR.setLen(dStrlen(ret));
break;
}
case Namespace::Entry::IntCallbackType:
{
S32 result = nsEntry->cb.mIntCallbackFunc(gEvalState.thisObject, callArgc, callArgv);
STR.popFrame();
if(code[ip] == OP_STR_TO_UINT)
{
ip++;
intStack[++_UINT] = result;
break;
}
else if(code[ip] == OP_STR_TO_FLT)
{
ip++;
floatStack[++_FLT] = result;
break;
}
else if(code[ip] == OP_STR_TO_NONE)
ip++;
else
STR.setIntValue(result);
break;
}
case Namespace::Entry::FloatCallbackType:
{
F64 result = nsEntry->cb.mFloatCallbackFunc(gEvalState.thisObject, callArgc, callArgv);
STR.popFrame();
if(code[ip] == OP_STR_TO_UINT)
{
ip++;
intStack[++_UINT] = (S64)result;
break;
}
else if(code[ip] == OP_STR_TO_FLT)
{
ip++;
floatStack[++_FLT] = result;
break;
}
else if(code[ip] == OP_STR_TO_NONE)
ip++;
else
STR.setFloatValue(result);
break;
}
case Namespace::Entry::VoidCallbackType:
nsEntry->cb.mVoidCallbackFunc(gEvalState.thisObject, callArgc, callArgv);
if( code[ ip ] != OP_STR_TO_NONE && Con::getBoolVariable( "$Con::warnVoidAssignment", true ) )
Con::warnf(ConsoleLogEntry::General, "%s: Call to %s in %s uses result of void function call.", getFileLine(ip-6), fnName, functionName);
STR.popFrame();
STR.setStringValue("");
break;
case Namespace::Entry::BoolCallbackType:
{
bool result = nsEntry->cb.mBoolCallbackFunc(gEvalState.thisObject, callArgc, callArgv);
STR.popFrame();
if(code[ip] == OP_STR_TO_UINT)
{
ip++;
intStack[++_UINT] = result;
break;
}
else if(code[ip] == OP_STR_TO_FLT)
{
ip++;
floatStack[++_FLT] = result;
break;
}
else if(code[ip] == OP_STR_TO_NONE)
ip++;
else
STR.setIntValue(result);
break;
}
}
}
}
if(callType == FuncCallExprNode::MethodCall)
gEvalState.thisObject = saveObject;
break;
}
case OP_ADVANCE_STR:
STR.advance();
break;
case OP_ADVANCE_STR_APPENDCHAR:
STR.advanceChar(code[ip++]);
break;
case OP_ADVANCE_STR_COMMA:
STR.advanceChar('_');
break;
case OP_ADVANCE_STR_NUL:
STR.advanceChar(0);
break;
case OP_REWIND_STR:
STR.rewind();
break;
case OP_TERMINATE_REWIND_STR:
STR.rewindTerminate();
break;
case OP_COMPARE_STR:
intStack[++_UINT] = STR.compare();
break;
case OP_PUSH:
STR.push();
break;
case OP_PUSH_FRAME:
STR.pushFrame();
break;
case OP_ASSERT:
{
if( !intStack[_UINT--] )
{
const char *message = curStringTable + code[ip];
U32 breakLine, inst;
findBreakLine( ip - 1, breakLine, inst );
if ( PlatformAssert::processAssert( PlatformAssert::Fatal,
name ? name : "eval",
breakLine,
message ) )
{
if ( TelDebugger && TelDebugger->isConnected() && breakLine > 0 )
{
TelDebugger->breakProcess();
}
else
Platform::debugBreak();
}
}
ip++;
break;
}
case OP_BREAK:
{
//append the ip and codeptr before managing the breakpoint!
AssertFatal( gEvalState.getStackDepth() > 0, "Empty eval stack on break!");
gEvalState.getCurrentFrame().code = this;
gEvalState.getCurrentFrame().ip = ip - 1;
U32 breakLine;
findBreakLine(ip-1, breakLine, instruction);
if(!breakLine)
goto breakContinue;
TelDebugger->executionStopped(this, breakLine);
goto breakContinue;
}
case OP_ITER_BEGIN_STR:
{
iterStack[ _ITER ].mIsStringIter = true;
/* fallthrough */
}
case OP_ITER_BEGIN:
{
StringTableEntry varName = CodeToSTE(code, ip);
U32 failIp = code[ ip + 2 ];
IterStackRecord& iter = iterStack[ _ITER ];
iter.mVariable = gEvalState.getCurrentFrame().add( varName );
if( iter.mIsStringIter )
{
iter.mData.mStr.mString = STR.getStringValue();
iter.mData.mStr.mIndex = 0;
}
else
{
// Look up the object.
SimSet* set;
if( !Sim::findObject( STR.getStringValue(), set ) )
{
Con::errorf( ConsoleLogEntry::General, "No SimSet object '%s'", STR.getStringValue() );
Con::errorf( ConsoleLogEntry::General, "Did you mean to use 'foreach$' instead of 'foreach'?" );
ip = failIp;
continue;
}
// Set up.
iter.mData.mObj.mSet = set;
iter.mData.mObj.mIndex = 0;
}
_ITER ++;
iterDepth ++;
STR.push();
ip += 3;
break;
}
case OP_ITER:
{
U32 breakIp = code[ ip ];
IterStackRecord& iter = iterStack[ _ITER - 1 ];
if( iter.mIsStringIter )
{
const char* str = iter.mData.mStr.mString;
U32 startIndex = iter.mData.mStr.mIndex;
U32 endIndex = startIndex;
// Break if at end.
if( !str[ startIndex ] )
{
ip = breakIp;
continue;
}
// Find right end of current component.
if( !dIsspace( str[ endIndex ] ) )
do ++ endIndex;
while( str[ endIndex ] && !dIsspace( str[ endIndex ] ) );
// Extract component.
if( endIndex != startIndex )
{
char savedChar = str[ endIndex ];
const_cast< char* >( str )[ endIndex ] = '\0'; // We are on the string stack so this is okay.
iter.mVariable->setStringValue( &str[ startIndex ] );
const_cast< char* >( str )[ endIndex ] = savedChar;
}
else
iter.mVariable->setStringValue( "" );
// Skip separator.
if( str[ endIndex ] != '\0' )
++ endIndex;
iter.mData.mStr.mIndex = endIndex;
}
else
{
U32 index = iter.mData.mObj.mIndex;
SimSet* set = iter.mData.mObj.mSet;
if( index >= set->size() )
{
ip = breakIp;
continue;
}
iter.mVariable->setIntValue( set->at( index )->getId() );
iter.mData.mObj.mIndex = index + 1;
}
++ ip;
break;
}
case OP_ITER_END:
{
-- _ITER;
-- iterDepth;
STR.rewind();
iterStack[ _ITER ].mIsStringIter = false;
break;
}
case OP_INVALID:
default:
// error!
goto execFinished;
}
}
execFinished:
if ( telDebuggerOn && setFrame < 0 )
TelDebugger->popStackFrame();
if ( popFrame )
gEvalState.popFrame();
if(argv)
{
if(gEvalState.traceOn)
{
traceBuffer[0] = 0;
dStrcat(traceBuffer, "Leaving ");
if(packageName)
{
dStrcat(traceBuffer, "[");
dStrcat(traceBuffer, packageName);
dStrcat(traceBuffer, "]");
}
if(thisNamespace && thisNamespace->mName)
{
dSprintf(traceBuffer + dStrlen(traceBuffer), sizeof(traceBuffer) - dStrlen(traceBuffer),
"%s::%s() - return %s", thisNamespace->mName, thisFunctionName, STR.getStringValue());
}
else
{
dSprintf(traceBuffer + dStrlen(traceBuffer), sizeof(traceBuffer) - dStrlen(traceBuffer),
"%s() - return %s", thisFunctionName, STR.getStringValue());
}
Con::printf("%s", traceBuffer);
}
}
else
{
delete[] globalStrings;
globalStringsMaxLen = 0;
delete[] globalFloats;
globalStrings = NULL;
globalFloats = NULL;
}
smCurrentCodeBlock = saveCodeBlock;
if(saveCodeBlock && saveCodeBlock->name)
{
Con::gCurrentFile = saveCodeBlock->name;
Con::gCurrentRoot = saveCodeBlock->modPath;
}
decRefCount();
#ifdef TORQUE_DEBUG
AssertFatal(!(STR.mStartStackSize > stackStart), "String stack not popped enough in script exec");
AssertFatal(!(STR.mStartStackSize < stackStart), "String stack popped too much in script exec");
#endif
return STR.getStringValue();
}
//------------------------------------------------------------
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