public object VisitStatementIfStatement(StatementIfStatement statementIfStatement, object o)
{
statementIfStatement.Condition.Visit(this);
var savedAddr = nextAdr;
Emit(Machine.JUMPIFop, 0, Machine.CBr, -1);
statementIfStatement.Statements.Visit(this, o);
Patch(savedAddr, nextAdr);
return(null);
}
public object VisitStatementIfStatement(StatementIfStatement statementIfStatement, object o)
{
idTable.EnterNestedScopeLevel();
var variableType = (VariableType.ValueTypeEnum)statementIfStatement.Condition.Visit(this);
if (variableType != VariableType.ValueTypeEnum.BOOLY)
{
throw new Exception("If statement condition must evaluate to booly value");
}
statementIfStatement.Statements.Visit(this);
idTable.ExitNestedScopeLevel();
return(null);
}