328 lines
13 KiB
Scheme
328 lines
13 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2016 Andy Patterson <ajpatter@uwaterloo.ca>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (guix build lisp-utils)
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#:use-module (ice-9 format)
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#:use-module (ice-9 match)
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#:use-module (ice-9 regex)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-26)
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#:use-module (guix build utils)
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#:export (%lisp
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%install-prefix
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lisp-eval-program
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compile-system
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test-system
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replace-escaped-macros
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generate-executable-wrapper-system
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generate-executable-entry-point
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generate-executable-for-system
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patch-asd-file
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bundle-install-prefix
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lisp-dependencies
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bundle-asd-file
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remove-lisp-from-name
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wrap-output-translations
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prepend-to-source-registry
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build-program
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build-image))
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;;; Commentary:
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;;;
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;;; Tools to evaluate lisp programs within a lisp session, generate wrapper
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;;; systems for executables. Compile, test, and produce images for systems and
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;;; programs, and link them with their dependencies.
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;;;
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;;; Code:
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(define %lisp
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;; File name of the Lisp compiler.
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(make-parameter "lisp"))
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(define %install-prefix "/share/common-lisp")
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(define (bundle-install-prefix lisp)
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(string-append %install-prefix "/" lisp "-bundle-systems"))
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(define (remove-lisp-from-name name lisp)
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(string-drop name (1+ (string-length lisp))))
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(define (wrap-output-translations translations)
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`(:output-translations
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,@translations
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:inherit-configuration))
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(define (lisp-eval-program lisp program)
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"Evaluate PROGRAM with a given LISP implementation."
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(unless (zero? (apply system*
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(lisp-invoke lisp (format #f "~S" program))))
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(error "lisp-eval-program failed!" lisp program)))
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(define (lisp-invoke lisp program)
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"Return a list of arguments for system* determining how to invoke LISP
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with PROGRAM."
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(match lisp
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("sbcl" `(,(%lisp) "--non-interactive" "--eval" ,program))
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("ecl" `(,(%lisp) "-eval" ,program "-eval" "(quit)"))))
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(define (asdf-load-all systems)
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(map (lambda (system)
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`(funcall
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(find-symbol
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(symbol-name :load-system)
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(symbol-name :asdf))
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,system))
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systems))
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(define (compile-system system lisp asd-file)
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"Use a lisp implementation to compile SYSTEM using asdf. Load ASD-FILE
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first if SYSTEM is defined there."
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(lisp-eval-program lisp
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`(progn
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(require :asdf)
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(in-package :asdf)
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,@(if asd-file
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`((load ,asd-file))
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'())
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(in-package :cl-user)
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(funcall (find-symbol
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(symbol-name :operate)
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(symbol-name :asdf))
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(find-symbol
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(symbol-name :compile-bundle-op)
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(symbol-name :asdf))
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,system)
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(funcall (find-symbol
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(symbol-name :operate)
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(symbol-name :asdf))
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(find-symbol
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(symbol-name :deliver-asd-op)
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(symbol-name :asdf))
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,system))))
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(define (test-system system lisp asd-file)
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"Use a lisp implementation to test SYSTEM using asdf. Load ASD-FILE first
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if SYSTEM is defined there."
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(lisp-eval-program lisp
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`(progn
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(require :asdf)
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(in-package :asdf)
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,@(if asd-file
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`((load ,asd-file))
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'())
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(in-package :cl-user)
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(funcall (find-symbol
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(symbol-name :test-system)
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(symbol-name :asdf))
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,system))))
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(define (string->lisp-keyword . strings)
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"Return a lisp keyword for the concatenation of STRINGS."
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(string->symbol (apply string-append ":" strings)))
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(define (generate-executable-for-system type system lisp)
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"Use LISP to generate an executable, whose TYPE can be \"image\" or
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\"program\". The latter will always be standalone. Depends on having created
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a \"SYSTEM-exec\" system which contains the entry program."
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(lisp-eval-program
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lisp
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`(progn
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(require :asdf)
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(funcall (find-symbol
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(symbol-name :operate)
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(symbol-name :asdf))
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(find-symbol
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(symbol-name ,(string->lisp-keyword type "-op"))
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(symbol-name :asdf))
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,(string-append system "-exec")))))
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(define (generate-executable-wrapper-system system dependencies)
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"Generates a system which can be used by asdf to produce an image or program
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inside the current directory. The image or program will contain
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DEPENDENCIES."
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(with-output-to-file (string-append system "-exec.asd")
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(lambda _
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(format #t "~y~%"
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`(defsystem ,(string->lisp-keyword system "-exec")
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:entry-point ,(string-append system "-exec:main")
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:depends-on (:uiop
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,@(map string->lisp-keyword
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dependencies))
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:components ((:file ,(string-append system "-exec"))))))))
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(define (generate-executable-entry-point system entry-program)
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"Generates an entry point program from the list of lisp statements
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ENTRY-PROGRAM for SYSTEM within the current directory."
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(with-output-to-file (string-append system "-exec.lisp")
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(lambda _
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(let ((system (string->lisp-keyword system "-exec")))
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(format #t "~{~y~%~%~}"
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`((defpackage ,system
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(:use :cl)
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(:export :main))
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(in-package ,system)
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(defun main ()
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(let ((arguments uiop:*command-line-arguments*))
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(declare (ignorable arguments))
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,@entry-program))))))))
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(define (wrap-perform-method lisp registry dependencies file-name)
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"Creates a wrapper method which allows the system to locate its dependent
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systems from REGISTRY, an alist of the same form as %outputs, which contains
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lisp systems which the systems is dependent on. All DEPENDENCIES which the
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system depends on will the be loaded before this system."
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(let* ((system (string-drop-right (basename file-name) 4))
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(system-symbol (string->lisp-keyword system)))
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`(defmethod asdf:perform :before
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(op (c (eql (asdf:find-system ,system-symbol))))
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(asdf/source-registry:ensure-source-registry)
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,@(map (match-lambda
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((name . path)
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(let ((asd-file (string-append path
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(bundle-install-prefix lisp)
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"/" name ".asd")))
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`(setf
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(gethash ,name
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asdf/source-registry:*source-registry*)
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,(string->symbol "#p")
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,(bundle-asd-file path asd-file lisp)))))
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registry)
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,@(map (lambda (system)
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`(asdf:load-system ,(string->lisp-keyword system)))
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dependencies))))
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(define (patch-asd-file asd-file registry lisp dependencies)
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"Patches ASD-FILE with a perform method as described in WRAP-PERFORM-METHOD."
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(chmod asd-file #o644)
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(let ((port (open-file asd-file "a")))
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(dynamic-wind
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(lambda _ #t)
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(lambda _
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(display
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(replace-escaped-macros
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(format #f "~%~y~%"
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(wrap-perform-method lisp registry
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dependencies asd-file)))
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port))
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(lambda _ (close-port port))))
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(chmod asd-file #o444))
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(define (lisp-dependencies lisp inputs)
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"Determine which inputs are lisp system dependencies, by using the convention
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that a lisp system dependency will resemble \"system-LISP\"."
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(filter-map (match-lambda
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((name . value)
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(and (string-prefix? lisp name)
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(string<> lisp name)
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`(,(remove-lisp-from-name name lisp)
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. ,value))))
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inputs))
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(define (bundle-asd-file output-path original-asd-file lisp)
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"Find the symlinked bundle file for ORIGINAL-ASD-FILE by looking in
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OUTPUT-PATH/share/common-lisp/LISP-bundle-systems/<system>.asd. Returns two
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values: the asd file itself and the directory in which it resides."
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(let ((bundle-asd-path (string-append output-path
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(bundle-install-prefix lisp))))
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(values (string-append bundle-asd-path "/" (basename original-asd-file))
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bundle-asd-path)))
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(define (replace-escaped-macros string)
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"Replace simple lisp forms that the guile writer escapes, for example by
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replacing #{#p}# with #p. Should only be used to replace truly simple forms
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which are not nested."
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(regexp-substitute/global #f "(#\\{)(\\S*)(\\}#)" string
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'pre 2 'post))
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(define (prepend-to-source-registry path)
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(setenv "CL_SOURCE_REGISTRY"
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(string-append path ":" (or (getenv "CL_SOURCE_REGISTRY") ""))))
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(define* (build-program lisp program #:key inputs
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(dependencies (list (basename program)))
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entry-program
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#:allow-other-keys)
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"Generate an executable program containing all DEPENDENCIES, and which will
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execute ENTRY-PROGRAM. The result is placed in PROGRAM. When executed, it
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will run ENTRY-PROGRAM, a list of Common Lisp expressions in which `arguments'
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has been bound to the command-line arguments which were passed."
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(generate-executable lisp program
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#:inputs inputs
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#:dependencies dependencies
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#:entry-program entry-program
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#:type "program")
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(let* ((name (basename program))
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(bin-directory (dirname program)))
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(with-directory-excursion bin-directory
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(rename-file (string-append name "-exec")
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name)))
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#t)
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(define* (build-image lisp image #:key inputs
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(dependencies (list (basename image)))
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#:allow-other-keys)
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"Generate an image, possibly standalone, which contains all DEPENDENCIES,
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placing the result in IMAGE.image."
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(generate-executable lisp image
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#:inputs inputs
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#:dependencies dependencies
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#:entry-program '(nil)
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#:type "image")
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(let* ((name (basename image))
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(bin-directory (dirname image)))
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(with-directory-excursion bin-directory
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(rename-file (string-append name "-exec--all-systems.image")
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(string-append name ".image"))))
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#t)
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(define* (generate-executable lisp out-file #:key inputs
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dependencies
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entry-program
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type
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#:allow-other-keys)
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"Generate an executable by using asdf's TYPE-op, containing whithin the
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image all DEPENDENCIES, and running ENTRY-PROGRAM in the case of an
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executable."
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(let* ((bin-directory (dirname out-file))
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(name (basename out-file)))
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(mkdir-p bin-directory)
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(with-directory-excursion bin-directory
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(generate-executable-wrapper-system name dependencies)
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(generate-executable-entry-point name entry-program))
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(prepend-to-source-registry
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(string-append bin-directory "/"))
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(setenv "ASDF_OUTPUT_TRANSLATIONS"
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(replace-escaped-macros
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(format
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#f "~S"
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(wrap-output-translations
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`(((,bin-directory :**/ :*.*.*)
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(,bin-directory :**/ :*.*.*)))))))
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(parameterize ((%lisp (string-append
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(assoc-ref inputs lisp) "/bin/" lisp)))
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(generate-executable-for-system type name lisp))
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(delete-file (string-append bin-directory "/" name "-exec.asd"))
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(delete-file (string-append bin-directory "/" name "-exec.lisp"))))
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