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;;; guile-sdl3 -- Scheme bindings for SDL3
;;; Copyright © 2024 David Thompson <dthompson2@worcester.edu>
;;;
;;; Licensed under the Apache License, Version 2.0 (the "License");
;;; you may not use this file except in compliance with the License.
;;; You may obtain a copy of the License at
;;;
;;; http://www.apache.org/licenses/LICENSE-2.0
;;;
;;; Unless required by applicable law or agreed to in writing, software
;;; distributed under the License is distributed on an "AS IS" BASIS,
;;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
;;; See the License for the specific language governing permissions and
;;; limitations under the License.
;;; Commentary:
;;
;; SDL3 errors.
;;
;;; Code:
(define-module (sdl3 errors)
#:use-module (ice-9 exceptions)
#:use-module (sdl3 bindings error)
#:use-module (system foreign)
#:export (sdl-get-error
make-sdl-error
sdl-assert
sdl-assert-non-null))
(define (sdl-get-error)
(pointer->string (SDL_GetError)))
(define-exception-type &sdl-exception &error
make-sdl-exception
sdl-exception?)
(define* (make-sdl-error origin #:key
(message (sdl-get-error))
(irritants '()))
(make-exception
(make-sdl-exception)
(make-exception-with-message message)
(make-exception-with-irritants irritants)
(make-exception-with-origin origin)))
(define (sdl-assert origin bool)
(unless (eq? bool 1)
(raise-exception (make-sdl-error origin))))
(define (sdl-assert-non-null origin pointer)
(when (null-pointer? pointer)
(raise-exception (make-sdl-error origin)))
pointer)
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