Get callback function result
Source position: fpexprpars.pp line 702
public procedure TFPFunctionCallBack.GetNodeValue( |
var Result: TFPExpressionResult |
); override; |
Result |
|
Returns the callback function result |
The GetNodeValue method evaluates the callback function by calling the registered callback procedure with the function parameters and returns the computed result. It bridges the expression tree evaluation with external function implementations.