Texas Instruments TI-89 - Er_Catch

450
Appendix A: System Routines — Error Handling
TI
-
89 / TI
-
92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
ER_catch
Declaration:
SINT
ER_catch
(ER_ENVIRONMENT
throwBuf
)
Category(ies):
Error Handling
Description:
This routine is used in the implementation of the
TRY
macro. It pushes the
current execution context on the exception stack. See chapter
10. Error
Handling
for a complete discussion of throwing and catching exceptions.
Inputs:
throwBuf
— Saved execution context.
Outputs:
Error code.
Assumptions:
None
Side Effects:
None
Availability:
All versions of the TI
-
89 / TI
-
92 Plus.
TI
-
89 / TI
-
92 Plus
Differences:
None
See Also: ER_success, TRY
Example:
Do not code a call to
ER_catch
yourself — use the
TRY
macro instead.