diff options
| -rw-r--r-- | guix/import/opam.scm | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/guix/import/opam.scm b/guix/import/opam.scm index 36028a01d6..b5069cd2f3 100644 --- a/guix/import/opam.scm +++ b/guix/import/opam.scm @@ -58,7 +58,12 @@ (define-peg-pattern weird-record all (and key (* SP) dict)) (define-peg-pattern key body (+ (or (range #\a #\z) "-"))) (define-peg-pattern value body (and (or conditional-value ground-value operator) (* SP))) -(define-peg-pattern ground-value body (and (or multiline-string string-pat list-pat var) (* SP))) +(define-peg-pattern choice-pat all (and (ignore "(") (* SP) choice (* SP) (ignore ")"))) +(define-peg-pattern choice body + (or (and (or conditional-value ground-value) (* SP) (ignore "|") (* SP) choice) + conditional-value + ground-value)) +(define-peg-pattern ground-value body (and (or multiline-string string-pat choice-pat list-pat var) (* SP))) (define-peg-pattern conditional-value all (and ground-value (* SP) condition)) (define-peg-pattern string-pat all (and QUOTE (* STRCHR) QUOTE)) (define-peg-pattern list-pat all (and (ignore "[") (* SP) (* (and value (* SP))) (ignore "]"))) @@ -80,7 +85,8 @@ (define-peg-pattern condition-form2 body (and (* SP) (or condition-greater-or-equal condition-greater condition-lower-or-equal condition-lower - condition-neq condition-eq condition-content) (* SP))) + condition-neq condition-eq condition-not + condition-content) (* SP))) ;(define-peg-pattern condition-operator all (and (ignore operator) (* SP) condition-string)) (define-peg-pattern condition-greater-or-equal all (and (ignore (and ">" "=")) (* SP) condition-string)) @@ -91,10 +97,12 @@ (define-peg-pattern condition-or all (and condition-form2 (* SP) (ignore "|") (* SP) condition-form)) (define-peg-pattern condition-eq all (and (? condition-content) (* SP) (ignore "=") (* SP) condition-content)) (define-peg-pattern condition-neq all (and (? condition-content) (* SP) (ignore (and "!" "=")) (* SP) condition-content)) -(define-peg-pattern condition-content body (or condition-string condition-var)) +(define-peg-pattern condition-not all (and (ignore (and "!")) (* SP) condition-content)) +(define-peg-pattern condition-content body (or condition-paren condition-string condition-var)) (define-peg-pattern condition-content2 body (and condition-content (* SP) (not-followed-by (or "&" "=" "!")))) +(define-peg-pattern condition-paren body (and "(" condition-form ")")) (define-peg-pattern condition-string all (and QUOTE (* STRCHR) QUOTE)) -(define-peg-pattern condition-var all (+ (or (range #\a #\z) "-"))) +(define-peg-pattern condition-var all (+ (or (range #\a #\z) "-" ":"))) (define (get-opam-repository) "Update or fetch the latest version of the opam repository and return the @@ -171,18 +179,24 @@ path to the repository." (define (dependency->input dependency) (match dependency (('string-pat str) str) + ;; Arbitrary select the first dependency + (('choice-pat choice ...) (dependency->input (car choice))) (('conditional-value val condition) (if (native? condition) "" (dependency->input val))))) (define (dependency->native-input dependency) (match dependency (('string-pat str) "") + ;; Arbitrary select the first dependency + (('choice-pat choice ...) (dependency->input (car choice))) (('conditional-value val condition) (if (native? condition) (dependency->input val) "")))) (define (dependency->name dependency) (match dependency (('string-pat str) str) + ;; Arbitrary select the first dependency + (('choice-pat choice ...) (dependency->input (car choice))) (('conditional-value val condition) (dependency->name val)))) |