void CSubtractCommandNode::GenerateCode( CCodeBlock* inCodeBlock )
{
CValueNode * destValue = GetParamAtIndex( 1 );
CValueNode * srcValue = GetParamAtIndex( 0 );
srcValue->GenerateCode( inCodeBlock );
destValue->GenerateCode( inCodeBlock );
inCodeBlock->GenerateOperatorInstruction( SUBTRACT_COMMAND_INSTR );
}
void CAssignCommandNode::GenerateCode( CCodeBlock* inCodeBlock )
{
CValueNode * destValue = GetParamAtIndex( 0 );
CValueNode * srcValue = GetParamAtIndex( 1 );
CLocalVariableRefValueNode * varValue = NULL;
srcValue->GenerateCode( inCodeBlock );
if(( varValue = dynamic_cast<CLocalVariableRefValueNode*>(destValue) ))
inCodeBlock->GeneratePopIntoVariableInstruction( varValue->GetBPRelativeOffset() );
else
throw std::runtime_error("Can't assign to this value.");
}
void CObjectPropertyNode::Simplify()
{
std::vector<CValueNode*>::iterator itty;
for( itty = mParams.begin(); itty != mParams.end(); itty++ )
{
CValueNode * originalNode = *itty;
originalNode->Simplify(); // Give subnodes a chance to apply transformations first. Might expose simpler sub-nodes we can then simplify.
CNode* newNode = CNodeTransformationBase::Apply( originalNode ); // Returns either originalNode, or a totally new object, in which case we delete the old one.
if( newNode != originalNode )
{
assert( dynamic_cast<CValueNode*>(newNode) != NULL );
*itty = (CValueNode*)newNode;
}
}
CValueNode::Simplify();
}