Clear_Error_Context - Texas Instruments TI-89 Developer's Manual

Appendix A: System Routines — Error Handling

clear_error_context

Declaration: void clear_error_context (void)
Category(ies): Error Handling
Description: Resets the internal variables associated with error handling. This
subroutine is called when an error throw is caught and not passed.
Inputs: None
Outputs: None
Assumptions: None
Side Effects: None
On AMS 2.00 and higher.
Availability:
TI-89 / TI-92 Plus
Differences: None
See Also: None
Example:
/* This subroutine is called when an error throw is caught and not passed.
For example, when the calculator user presses the ON key, an ER_BREAK is thrown.
The following code segment passes all other codes but clears the ER_BREAK and
continues processing.
*/
TRY
/* code that may cause an error throw */
.
.
.
ONERR
if (errCode != ER_BREAK)
PASS;
clear_error_context ( );
ENDTRY
TI-89 / TI-92 Plus Developer Guide Not for Distribution
449
Beta Version January 26, 2001