pman/potato/exceptions.scm

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2021-02-08 07:46:24 +01:00
(define-module (potato exceptions)
#:use-module (ice-9 exceptions)
#:export (bad-key-type
bad-value-type
bad-proc-output
invalid-macro
not-a-regular-file
no-read-access-to-file
))
(define (make-bad-key-type origin irritants)
(make-exception
(make-programming-error)
(make-exception-with-origin origin)
(make-exception-with-message "Wrong type for key. Expecting string or procedure.")
(make-exception-with-irritants irritants)))
(define (bad-key-type origin irritant)
(raise-exception (make-bad-key-type origin irritant)))
(define (make-bad-value-type origin irritants)
(make-exception
(make-programming-error)
(make-exception-with-origin origin)
(make-exception-with-message "Wrong type for value. Expecting string or procedure.")
(make-exception-with-irritants irritants)))
(define (bad-value-type origin irritant)
(raise-exception (make-bad-value-type origin irritant)))
(define (make-bad-proc-output origin irritants)
(make-exception
(make-programming-error)
(make-exception-with-origin origin)
(make-exception-with-message "Procedure does not evaluate to a string.")
(make-exception-with-irritants irritants)))
(define (bad-proc-output origin irritant)
(raise-exception (make-bad-proc-output origin irritant)))
(define (make-invalid-macro origin irritants)
(make-exception
(make-programming-error)
(make-exception-with-origin origin)
(make-exception-with-message "Invalid macro format")
(make-exception-with-irritants irritants)))
(define (invalid-macro origin irritant)
(raise-exception (make-invalid-macro origin irritant)))
(define (make-not-a-regular-file origin irritants)
(make-exception
(make-programming-error)
(make-exception-with-origin origin)
(make-exception-with-message "Not a regular file")
(make-exception-with-irritants irritants)))
(define (not-a-regular-file origin irritant)
(raise-exception (make-not-a-regular-file origin irritant)))
(define (make-no-read-access-to-file origin irritants)
(make-exception
(make-programming-error)
(make-exception-with-origin origin)
(make-exception-with-message "Do not have permissions to read file")
(make-exception-with-irritants irritants)))
(define (no-read-access-to-file origin irritant)
(raise-exception (make-no-read-access-to-file origin irritant)))