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4.6.1 Exception types

The (hoot exceptions) module implements Guile’s exception API. See the Guile manual for more detailed information.

Procedure: make-exception exceptions … ¶

Return an exception object composed of exceptions.

Procedure: exception? obj ¶

Return #t if obj is an exception object.

Below are the built-in exception types and their respective constructors, predicates, and accessors.

Exception Type: &exception ¶

Procedure: simple-exception? obj ¶

Exception Type: &compound-exception ¶

Procedure: make-compound-exception components ¶

Procedure: compound-exception? obj ¶

Procedure: compound-exception-components compound-exception ¶

Exception Type: &message ¶

Procedure: make-exception-with-message message ¶

Procedure: exception-with-message? obj ¶

Procedure: exception-message exception ¶

Exception Type: &warning ¶

Procedure: make-warning ¶

Procedure: warning? obj ¶

Exception Type: &serious ¶

Procedure: make-serious-exception ¶

Procedure: serious-exception? obj ¶

Exception Type: &error ¶

Procedure: make-error ¶

Procedure: error? obj ¶

Exception Type: &violation ¶

Procedure: make-violation ¶

Procedure: violation? obj ¶

Exception Type: &assertion ¶

Procedure: make-assertion-violation ¶

Procedure: assertion-violation? obj ¶

Exception Type: &arity-violation ¶

Procedure: make-arity-violation ¶

Procedure: arity-violation? obj ¶

Exception Type: &implementation-restriction ¶

Procedure: make-implementation-restriction-violation ¶

Procedure: implementation-restriction-violation? obj ¶

Exception Type: &failed-type-check ¶

Procedure: make-failed-type-check predicate ¶

Procedure: failed-type-check? obj ¶

Procedure: failed-type-check-predicate exception ¶

Exception Type: &non-continuable ¶

Procedure: make-non-continuable-violation ¶

Procedure: non-continuable-violation? obj ¶

Exception Type: &irritants ¶

Procedure: make-exception-with-irritants irritants ¶

Procedure: exception-with-irritants? obj ¶

Procedure: exception-irritants exception ¶

Exception Type: &origin ¶

Procedure: make-exception-with-origin origin ¶

Procedure: exception-with-origin? obj ¶

Procedure: exception-origin exception ¶

Exception Type: &lexical ¶

Procedure: make-lexical-violation ¶

Procedure: lexical-violation? obj ¶

Exception Type: &i/o ¶

Procedure: make-i/o-error ¶

Procedure: i/o-error? ¶

Exception Type: &i/o-line-and-column ¶

Procedure: make-i/o-line-and-column-error line column ¶

Procedure: i/o-line-and-column-error? obj ¶

Procedure: i/o-error-line exception ¶

Procedure: i/o-error-column exception ¶

Exception Type: &i/o-filename ¶

Procedure: make-i/o-filename-error filename ¶

Procedure: i/o-filename-error? obj ¶

Procedure: i/o-error-filename exception ¶

Exception Type: &i/o-not-seekable ¶

Procedure: make-i/o-not-seekable-error ¶

Procedure: i/o-not-seekable-error? obj ¶

Exception Type: &i/o-port ¶

Procedure: make-i/o-port-error port ¶

Procedure: i/o-port-error? obj ¶

Procedure: i/o-error-port exception ¶