public override void Init(ParsingContext context, ParseTreeNode treeNode)
{
base.Init(context, treeNode);
FindOpAndDetectPostfix(treeNode);
int argIndex = IsPostfix? 0 : 1;
Argument = AddChild(NodeUseType.ValueReadWrite, "Arg", treeNode.MappedChildNodes[argIndex]);
BinaryOpSymbol = OpSymbol[0].ToString(); //take a single char out of ++ or --
BinaryOp = context.GetOperatorExpressionType(BinaryOpSymbol);
base.AsString = OpSymbol + (IsPostfix ? "(postfix)" : "(prefix)");
}
public override void Init(ParsingContext context, ParseTreeNode treeNode)
{
base.Init(context, treeNode);
Left = AddChild("Arg", treeNode.MappedChildNodes[0]);
Right = AddChild("Arg", treeNode.MappedChildNodes[2]);
var opToken = treeNode.MappedChildNodes[1].FindToken();
OpSymbol = opToken.Text;
Op = context.GetOperatorExpressionType(OpSymbol);
// Set error anchor to operator, so on error (Division by zero) the explorer will point to
// operator node as location, not to the very beginning of the first operand.
ErrorAnchor = opToken.Location;
AsString = Op + "(operator)";
}
public override void Init(ParsingContext context, ParseTreeNode treeNode)
{
base.Init(context, treeNode);
Target = AddChild(NodeUseType.ValueWrite, "To", treeNode.MappedChildNodes[0]);
//Get Op and baseOp if it is combined assignment
AssignmentOp = treeNode.MappedChildNodes[1].FindTokenAndGetText();
if (string.IsNullOrEmpty(AssignmentOp))
AssignmentOp = "=";
BinaryExpressionType = CustomExpressionTypes.NotAnExpression;
//There maybe an "=" sign in the middle, or not - if it is marked as punctuation; so we just take the last node in child list
Expression = AddChild(NodeUseType.ValueRead, "Expr", treeNode.LastChild);
AsString = AssignmentOp + " (assignment)";
// TODO: this is not always correct: in Pascal the assignment operator is :=.
IsAugmented = AssignmentOp.Length > 1;
if (IsAugmented) {
//it is combined op
base.ExpressionType = context.GetOperatorExpressionType(AssignmentOp);
BinaryExpressionType = OperatorUtility.GetBinaryOperatorForAugmented(this.ExpressionType);
Target.UseType = NodeUseType.ValueReadWrite;
}
}
