void DeclarationAssignmentStatementNode::Code(InstructionsClass & machineCode) {
in->DeclareVariable();
machineCode.PushValue(0);
machineCode.PopAndStore(in->GetIndex());
en->CodeEvaluate(machineCode);
machineCode.PopAndStore(in->GetIndex());
}
int main( void )
{
cout << "in main of teste.cpp\n";
// Create an array of machine codes, and stuff it with initial
// machine codes that are at the beginning of every function:
InstructionsClass code;
// Generate machine code to push a literal integer onto the stack:
code.PushValue(17);
// Generate machine code to pop and print integer on top of stack:
code.PopAndWrite();
// Generate machine code to push a literal integer onto the stack:
code.PushValue(27);
// Generate machine code to pop the top of stack and move to variable index 99:
code.PopAndStore(99);
// Generate machine code to push variable 99's contents onto the stack:
code.PushVariable(99); // (holds int 27 from before)
// Generate machine code to pop and print integer on top of stack:
code.PopAndWrite();
// Generate machine code to return to the calling code:
code.Finish();
// Treat the array of machine codes like a function, and jump in!
code.Execute();
return 0;
}
void TimesAssignmentStatementNode::Code(InstructionsClass &machinecode) {
MSG(" CODING MINUSASSIGNMENTSTATEMENTNODE");
this->mIdentifierNode->CodeEvaluate(machinecode);
this->mExpressionNode->CodeEvaluate(machinecode);
machinecode.PopPopMulPush();
machinecode.PopAndStore(this->mIdentifierNode->GetIndex());
}
void DivideAssignmentStatementNode::Code(InstructionsClass &machineCode) {
// push vars value on stack
machineCode.PushVariable(in->GetIndex());
// put modifier on stack
en->CodeEvaluate(machineCode);
// divide those values
machineCode.PopPopDivPush();
// store result
machineCode.PopAndStore(in->GetIndex());
}
void AssignmentStatementNode::Code(InstructionsClass &machineCode) {
en->CodeEvaluate(machineCode);
machineCode.PopAndStore(in->GetIndex());
}
void DeclarationAssignmentStatementNode::Code(InstructionsClass &machinecode) {
MSG(" CODING DECLARATIONASSIGNMENTSTATEMENTNODE");
this->mIdentifierNode->DeclareVariable();
this->mExpressionNode->CodeEvaluate(machinecode);
machinecode.PopAndStore(this->mIdentifierNode->GetIndex());
}
