Node:Evaluator Behaviour,
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28.7 Evaluator Behaviour
The behaviour of Guile's evaluator can be modified by manipulating the
evaluator options. For more information about options, See User level options interfaces. If you want to know which evaluator options are
available, See Evaluator options.
| eval-options [setting]
|
Scheme Procedure |
Display the current settings of the evaluator options. If setting
is omitted, only a short form of the current evaluator options is
printed. Otherwise, setting should be one of the following
symbols:
help
- Display the complete option settings.
full
- Like
help, but also print programmer options.
|
| eval-enable option-name
|
Scheme Procedure |
| eval-disable option-name
|
Scheme Procedure |
| eval-set! option-name value
|
Scheme Procedure |
Modify the evaluator options. eval-enable should be used with boolean
options and switches them on, eval-disable switches them off.
eval-set! can be used to set an option to a specific value.
|
| eval-options-interface [setting]
|
Scheme Procedure |
| scm_eval_options_interface (setting)
|
C Function |
Option interface for the evaluation options. Instead of using
this procedure directly, use the procedures eval-enable,
eval-disable, eval-set! and eval-options.
|
| traps [setting]
|
Scheme Procedure |
Display the current settings of the evaluator traps options. If
setting is omitted, only a short form of the current evaluator
traps options is printed. Otherwise, setting should be one of the
following symbols:
help
- Display the complete option settings.
full
- Like
help, but also print programmer options.
|
| trap-enable option-name
|
Scheme Procedure |
| trap-disable option-name
|
Scheme Procedure |
| trap-set! option-name value
|
Scheme Procedure |
Modify the evaluator options. trap-enable should be used with boolean
options and switches them on, trap-disable switches them off.
trap-set! can be used to set an option to a specific value.
|
| evaluator-traps-interface [setting]
|
Scheme Procedure |
| scm_evaluator_traps (setting)
|
C Function |
|
Option interface for the evaluator trap options.
|