From 55b2d921456e888f097bf4e43a3d25b112f3e563 Mon Sep 17 00:00:00 2001 From: Ludovic Courtès Date: Sat, 28 Jan 2017 17:09:34 +0100 Subject: Use 'mlambda' instead of 'memoize'. * gnu/packages.scm (find-newest-available-packages): Use 'mlambda' instead of (memoize (lambda ...) ...). * gnu/packages/bootstrap.scm (package-with-bootstrap-guile): Likewise. * guix/build-system/gnu.scm (package-with-explicit-inputs)[rewritten-input]: Likewise. * guix/build-system/python.scm (package-with-explicit-python)[transform]: Likewise. * guix/derivations.scm (derivation->string): Likewise. * guix/gnu-maintenance.scm (gnu-package?): Likewise. * guix/modules.scm (module-file-dependencies): Likewise. * guix/scripts/graph.scm (standard-package-set): Likewise. * guix/scripts/lint.scm (official-gnu-packages*): Likewise. * guix/store.scm (store-regexp*): Likewise. * guix/utils.scm (location): Likewise. --- guix/derivations.scm | 88 +++++++++++++++++++++++++--------------------------- 1 file changed, 43 insertions(+), 45 deletions(-) (limited to 'guix/derivations.scm') diff --git a/guix/derivations.scm b/guix/derivations.scm index 056b1163b4..47a783f42f 100644 --- a/guix/derivations.scm +++ b/guix/derivations.scm @@ -557,12 +557,11 @@ that form." (display ")" port)))) (define derivation->string - (memoize - (lambda (drv) - "Return the external representation of DRV as a string." - (with-fluids ((%default-port-encoding "UTF-8")) - (call-with-output-string - (cut write-derivation drv <>)))))) + (mlambda (drv) + "Return the external representation of DRV as a string." + (with-fluids ((%default-port-encoding "UTF-8")) + (call-with-output-string + (cut write-derivation drv <>))))) (define* (derivation->output-path drv #:optional (output "out")) "Return the store path of its output OUTPUT. Raise a @@ -584,12 +583,14 @@ DRV." (define derivation-path->output-path ;; This procedure is called frequently, so memoize it. - (memoize - (lambda* (path #:optional (output "out")) - "Read the derivation from PATH (`/gnu/store/xxx.drv'), and return the store + (let ((memoized (mlambda (path output) + (derivation->output-path (call-with-input-file path + read-derivation) + output)))) + (lambda* (path #:optional (output "out")) + "Read the derivation from PATH (`/gnu/store/xxx.drv'), and return the store path of its output OUTPUT." - (derivation->output-path (call-with-input-file path read-derivation) - output)))) + (memoized path output)))) (define (derivation-path->output-paths path) "Read the derivation from PATH (`/gnu/store/xxx.drv'), and return the @@ -616,23 +617,21 @@ in SIZE bytes." (loop (+ 1 i)))))) (define derivation-path->base16-hash - (memoize - (lambda (file) - "Return a string containing the base16 representation of the hash of the + (mlambda (file) + "Return a string containing the base16 representation of the hash of the derivation at FILE." - (call-with-input-file file - (compose bytevector->base16-string - derivation-hash - read-derivation))))) + (call-with-input-file file + (compose bytevector->base16-string + derivation-hash + read-derivation)))) (define derivation-hash ; `hashDerivationModulo' in derivations.cc - (memoize - (lambda (drv) + (mlambda (drv) "Return the hash of DRV, modulo its fixed-output inputs, as a bytevector." (match drv (($ ((_ . ($ path - (? symbol? hash-algo) (? bytevector? hash) - (? boolean? recursive?))))) + (? symbol? hash-algo) (? bytevector? hash) + (? boolean? recursive?))))) ;; A fixed-output derivation. (sha256 (string->utf8 @@ -642,14 +641,14 @@ derivation at FILE." ":" (bytevector->base16-string hash) ":" path)))) (($ outputs inputs sources - system builder args env-vars) + system builder args env-vars) ;; A regular derivation: replace the path of each input with that ;; input's hash; return the hash of serialization of the resulting ;; derivation. (let* ((inputs (map (match-lambda - (($ path sub-drvs) - (let ((hash (derivation-path->base16-hash path))) - (make-derivation-input hash sub-drvs)))) + (($ path sub-drvs) + (let ((hash (derivation-path->base16-hash path))) + (make-derivation-input hash sub-drvs)))) inputs)) (drv (make-derivation outputs (sort (coalesce-duplicate-inputs inputs) @@ -662,7 +661,7 @@ derivation at FILE." ;; the SHA256 port's `write' method gets called for every single ;; character. (sha256 - (string->utf8 (derivation->string drv))))))))) + (string->utf8 (derivation->string drv)))))))) (define (store-path type hash name) ; makeStorePath "Return the store path for NAME/HASH/TYPE." @@ -916,18 +915,17 @@ recursively." (define rewritten-input ;; Rewrite the given input according to MAPPING, and return an input ;; in the format used in 'derivation' calls. - (memoize - (lambda (input loop) - (match input - (($ path (sub-drvs ...)) - (match (vhash-assoc path mapping) - ((_ . (? derivation? replacement)) - (cons replacement sub-drvs)) - ((_ . replacement) - (list replacement)) - (#f - (let* ((drv (loop (call-with-input-file path read-derivation)))) - (cons drv sub-drvs))))))))) + (mlambda (input loop) + (match input + (($ path (sub-drvs ...)) + (match (vhash-assoc path mapping) + ((_ . (? derivation? replacement)) + (cons replacement sub-drvs)) + ((_ . replacement) + (list replacement)) + (#f + (let* ((drv (loop (call-with-input-file path read-derivation)))) + (cons drv sub-drvs)))))))) (let loop ((drv drv)) (let* ((inputs (map (cut rewritten-input <> loop) @@ -1058,13 +1056,13 @@ system, imported, and appears under FINAL-PATH in the resulting store path." (define search-path* ;; A memoizing version of 'search-path' so 'imported-modules' does not end ;; up looking for the same files over and over again. - (memoize (lambda (path file) - "Search for FILE in PATH and memoize the result. Raise a + (mlambda (path file) + "Search for FILE in PATH and memoize the result. Raise a '&file-search-error' condition if it could not be found." - (or (search-path path file) - (raise (condition - (&file-search-error (file file) - (path path)))))))) + (or (search-path path file) + (raise (condition + (&file-search-error (file file) + (path path))))))) (define (module->source-file-name module) "Return the file name corresponding to MODULE, a Guile module name (a list -- cgit v1.2.3