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-rw-r--r--ccwl/ccwl.scm92
-rw-r--r--tests/ccwl.scm26
2 files changed, 87 insertions, 31 deletions
diff --git a/ccwl/ccwl.scm b/ccwl/ccwl.scm
index c366d3d..bff51f4 100644
--- a/ccwl/ccwl.scm
+++ b/ccwl/ccwl.scm
@@ -273,37 +273,67 @@ RUN-ARGS. If such an input is not present in RUN-ARGS, return #f."
(lambda (x)
(syntax-case x ()
((_ args ...)
- (apply (syntax-lambda** (#:key stdin #:key* inputs outputs run other)
- (unless run
- (error "#:run key required in command definition" (syntax->datum x)))
- #`(make-command
- (list #,@(map (lambda (input-spec)
- (let ((id (input-spec-id input-spec)))
- #`(set-input-prefix
- (set-input-position #,(input input-spec)
- #,(run-arg-position id run))
- #,(run-arg-prefix id run))))
- inputs))
- (list #,@(map output outputs))
- (list #,@(map (lambda (x)
- (syntax-case x ()
- ;; Replace input symbol with quoted symbol.
- (input (identifier? #'input)
- #''input)
- ;; Leave string as is.
- (string-arg (string? (syntax->datum #'string-arg))
- #'string-arg)
- ;; Replace prefixed input symbol with
- ;; quoted symbol.
- ((prefix input) (and (string? (syntax->datum #'prefix))
- (identifier? #'input))
- #''input)
- (_ (error "Invalid command element:"
- (syntax->datum x)))))
- run))
- #,(and stdin #`'#,stdin)
- (list #,@other)))
- #'(args ...))))))
+ (guard (exception
+ ((unrecognized-keyword-assertion? exception)
+ (raise-exception
+ (match (condition-irritants exception)
+ ((irritant _ ...)
+ (condition (ccwl-violation irritant)
+ (formatted-message "Unrecognized keyword argument ~a in command definition"
+ (syntax->datum irritant)))))))
+ ((invalid-keyword-arity-assertion? exception)
+ (raise-exception
+ (match (condition-irritants exception)
+ ;; TODO: Report all extra arguments, not just the
+ ;; first one.
+ ((keyword _ extra _ ...)
+ (condition (ccwl-violation extra)
+ (formatted-message "Unexpected extra argument ~a for unary keyword argument ~a"
+ (syntax->datum extra)
+ (syntax->datum keyword)))))))
+ ((invalid-positional-arguments-arity-assertion? exception)
+ (raise-exception
+ (match (condition-irritants exception)
+ ;; TODO: Report all extra positional arguments, not
+ ;; just the first one.
+ ((extra _ ...)
+ (condition (ccwl-violation extra)
+ (formatted-message "Unexpected extra positional argument ~a in command definition"
+ (syntax->datum extra))))))))
+ (apply (syntax-lambda** (#:key stdin #:key* inputs outputs run other)
+ (when (null? run)
+ (raise-exception
+ (condition (ccwl-violation x)
+ (formatted-message "Missing ~a key in command definition"
+ #:run))))
+ #`(make-command
+ (list #,@(map (lambda (input-spec)
+ (let ((id (input-spec-id input-spec)))
+ #`(set-input-prefix
+ (set-input-position #,(input input-spec)
+ #,(run-arg-position id run))
+ #,(run-arg-prefix id run))))
+ inputs))
+ (list #,@(map output outputs))
+ (list #,@(map (lambda (x)
+ (syntax-case x ()
+ ;; Replace input symbol with quoted symbol.
+ (input (identifier? #'input)
+ #''input)
+ ;; Leave string as is.
+ (string-arg (string? (syntax->datum #'string-arg))
+ #'string-arg)
+ ;; Replace prefixed input symbol with
+ ;; quoted symbol.
+ ((prefix input) (and (string? (syntax->datum #'prefix))
+ (identifier? #'input))
+ #''input)
+ (_ (error "Invalid command element:"
+ (syntax->datum x)))))
+ run))
+ #,(and stdin #`'#,stdin)
+ (list #,@other)))
+ #'(args ...)))))))
(define (cwl-workflow file)
(define (parameters->id+type parameters)
diff --git a/tests/ccwl.scm b/tests/ccwl.scm
index d667b32..d99650e 100644
--- a/tests/ccwl.scm
+++ b/tests/ccwl.scm
@@ -85,4 +85,30 @@
(else (ccwl-violation? exception)))
(output #'(message #:type int string))))
+(test-assert "command, when passed positional arguments, must raise a &ccwl-violation condition"
+ (guard (exception
+ (else (ccwl-violation? exception)))
+ (macroexpand
+ '(command foo
+ #:inputs (message #:type string)
+ #:run "echo" message
+ #:outputs (stdout #:type stdout)))))
+
+(test-assert "command, when passed an unrecognized keyword, must raise a &ccwl-violation condition"
+ (guard (exception
+ (else (ccwl-violation? exception)))
+ (macroexpand
+ '(command #:foo (message #:type string)
+ #:run "echo" message
+ #:outputs (stdout #:type stdout)))))
+
+(test-assert "command, when passed multiple arguments to a unary keyword, must raise a &ccwl-violation condition"
+ (guard (exception
+ (else (ccwl-violation? exception)))
+ (macroexpand
+ '(command #:inputs (message #:type string)
+ #:run "echo" message
+ #:outputs (stdout #:type stdout)
+ #:stdin "foo" "bar"))))
+
(test-end "ccwl")