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import: hackage: Support "-any" and "-none" version comparison operators.

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* guix/import/cabal.scm (make-cabal-parser): Modify.
(is-any): New variable.
(is-none): New variable.
(lex-any): New procedure.
(lex-none): New procedure.
(lex-word): Modify.
(eval-cabal): Modify.
This commit is contained in:
Danny Milosavljevic 2018-07-11 17:07:01 +02:00
parent 314b63e0b4
commit ecba50bb79
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GPG key ID: E71A35542C30BAA5
1 changed files with 26 additions and 5 deletions
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31
guix/import/cabal.scm
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@ -139,7 +139,7 @@ (define (make-cabal-parser)
"Generate a parser for Cabal files."
(lalr-parser
;; --- token definitions
(CCURLY VCCURLY OPAREN CPAREN TEST ID VERSION RELATION TRUE FALSE
(CCURLY VCCURLY OPAREN CPAREN TEST ID VERSION RELATION TRUE FALSE -ANY -NONE
(right: IF FLAG EXEC TEST-SUITE CUSTOM-SETUP SOURCE-REPO BENCHMARK LIB OCURLY)
(left: OR)
(left: PROPERTY AND)
@ -213,6 +213,10 @@ (define (make-cabal-parser)
(FALSE) : 'false
(TEST OPAREN ID RELATION VERSION CPAREN)
: `(,$1 ,(string-append $3 " " $4 " " $5))
(TEST OPAREN ID -ANY CPAREN)
: `(,$1 ,(string-append $3 " -any"))
(TEST OPAREN ID -NONE CPAREN)
: `(,$1 ,(string-append $3 " -none"))
(TEST OPAREN ID RELATION VERSION AND RELATION VERSION CPAREN)
: `(and (,$1 ,(string-append $3 " " $4 " " $5))
(,$1 ,(string-append $3 " " $7 " " $8)))
@ -367,6 +371,10 @@ (define (is-true s) (string-ci=? s "true"))
(define (is-false s) (string-ci=? s "false"))
(define (is-any s) (string-ci=? s "-any"))
(define (is-none s) (string-ci=? s "-none"))
(define (is-and s) (string=? s "&&"))
(define (is-or s) (string=? s "||"))
@ -457,6 +465,10 @@ (define (lex-true loc) (make-lexical-token 'TRUE loc #t))
(define (lex-false loc) (make-lexical-token 'FALSE loc #f))
(define (lex-any loc) (make-lexical-token '-ANY loc #f))
(define (lex-none loc) (make-lexical-token '-NONE loc #f))
(define (lex-and loc) (make-lexical-token 'AND loc #f))
(define (lex-or loc) (make-lexical-token 'OR loc #f))
@ -524,6 +536,8 @@ (define (lex-word port loc)
((is-test w port) (lex-test w loc))
((is-true w) (lex-true loc))
((is-false w) (lex-false loc))
((is-any w) (lex-any loc))
((is-none w) (lex-none loc))
((is-and w) (lex-and loc))
((is-or w) (lex-or loc))
((is-id w port) (lex-id w loc))
@ -711,13 +725,20 @@ (define (comp-spec-name+op+version spec)
(let* ((with-ver-matcher-fn (make-rx-matcher
"([a-zA-Z0-9_-]+) *([<>=]+) *([0-9.]+) *"))
(without-ver-matcher-fn (make-rx-matcher "([a-zA-Z0-9_-]+)"))
(without-ver-matcher-fn-2 (make-rx-matcher "([a-zA-Z0-9_-]+) (-any|-none)"))
(name (or (and=> (with-ver-matcher-fn spec)
(cut match:substring <> 1))
(and=> (without-ver-matcher-fn-2 spec)
(cut match:substring <> 1))
(match:substring (without-ver-matcher-fn spec) 1)))
(operator (and=> (with-ver-matcher-fn spec)
(cut match:substring <> 2)))
(version (and=> (with-ver-matcher-fn spec)
(cut match:substring <> 3))))
(operator (or (and=> (with-ver-matcher-fn spec)
(cut match:substring <> 2))
(and=> (without-ver-matcher-fn-2 spec)
(cut match:substring <> 2))))
(version (or (and=> (with-ver-matcher-fn spec)
(cut match:substring <> 3))
(and=> (without-ver-matcher-fn-2 spec)
(cut match:substring <> 2)))))
(values name operator version)))
(define (impl haskell)