This function executes a program fragment. The execution starts from the class variable ProgramCounter. This function is called from the @xref{execute_Execute()} function which is the main entry point to the basic main program. This function is also called recursively from the function @xref{execute_Evaluate()} when a user defined function is to be executed.
void execute_Execute_r(pExecuteObject pEo,
int *piErrorCode
){