racket/collects/setup/dirs.rkt
Matthew Flatt 7442f14305 fix problems with raco exe
Merge to v5.0
2010-05-26 17:07:09 -06:00

209 lines
6.7 KiB
Racket

#lang racket/base
(require racket/promise
(prefix-in config: config)
compiler/private/winutf16
compiler/private/mach-o
"private/main-collects.ss")
(provide (rename-out [config:absolute-installation? absolute-installation?]))
;; ----------------------------------------
;; "collects"
(define main-collects-dir
(delay (find-main-collects)))
(provide find-collects-dir
find-user-collects-dir
get-collects-search-dirs)
(define (find-collects-dir)
(force main-collects-dir))
(define user-collects-dir
(delay (build-path (system-path* 'addon-dir) (version) "collects")))
(define (find-user-collects-dir)
(force user-collects-dir))
(define (get-collects-search-dirs)
(current-library-collection-paths))
;; ----------------------------------------
;; Helpers
(define (single p) (if p (list p) null))
(define (extra a l) (if (and a (not (member a l))) (cons a l) l))
(define (combine-search l default)
;; Replace #f in list with default path:
(if l
(let loop ([l l])
(cond
[(null? l) null]
[(not (car l)) (append default (loop (cdr l)))]
[else (cons (car l) (loop (cdr l)))]))
default))
(define (cons-user u r)
(if (use-user-specific-search-paths) (cons u r) r))
(define-syntax define-finder
(syntax-rules ()
[(_ provide config:id id user-id config:search-id search-id default)
(begin
(define-finder provide config:id id user-id default)
(provide search-id)
(define (search-id)
(combine-search (force config:search-id)
(cons-user (user-id) (single (id))))))]
[(_ provide config:id id user-id config:search-id search-id
extra-search-dir default)
(begin
(define-finder provide config:id id user-id default)
(provide search-id)
(define (search-id)
(combine-search (force config:search-id)
(extra (extra-search-dir)
(cons-user (user-id) (single (id)))))))]
[(_ provide config:id id user-id default)
(begin
(provide id user-id)
(define dir
(delay
(or (force config:id)
(let ([p (find-collects-dir)])
(and p (simplify-path (build-path p 'up default)))))))
(define (id)
(force dir))
(define user-dir
(delay (build-path (system-path* 'addon-dir) (version) default)))
(define (user-id)
(force user-dir)))]))
(define-syntax no-provide (syntax-rules () [(_ . rest) (begin)]))
;; ----------------------------------------
;; "doc"
(define delayed-#f (delay #f))
(provide find-doc-dir
find-user-doc-dir
get-doc-search-dirs)
(define-finder no-provide
config:doc-dir
find-doc-dir
find-user-doc-dir
delayed-#f
get-new-doc-search-dirs
"doc")
;; For now, include "doc" pseudo-collections in search path:
(define (get-doc-search-dirs)
(combine-search (force config:doc-search-dirs)
(append (get-new-doc-search-dirs)
(map (lambda (p) (build-path p "doc"))
(current-library-collection-paths)))))
;; ----------------------------------------
;; "include"
(define-finder provide
config:include-dir
find-include-dir
find-user-include-dir
config:include-search-dirs
get-include-search-dirs
"include")
;; ----------------------------------------
;; "lib"
(define-finder provide
config:lib-dir
find-lib-dir
find-user-lib-dir
config:lib-search-dirs
get-lib-search-dirs find-dll-dir
"lib")
;; ----------------------------------------
;; Executables
(define-finder provide
config:bin-dir
find-console-bin-dir
find-user-console-bin-dir
(case (system-type)
[(windows) 'same]
[(macosx unix) "bin"]))
(define-finder provide
config:bin-dir
find-gui-bin-dir
find-user-gui-bin-dir
(case (system-type)
[(windows macosx) 'same]
[(unix) "bin"]))
;; ----------------------------------------
;; DLLs
(provide find-dll-dir)
(define dll-dir
(delay
(case (system-type)
[(windows)
;; Extract "lib" location from binary:
(let ([exe (parameterize ([current-directory (system-path* 'orig-dir)])
(find-executable-path (find-system-path 'exec-file)))])
(with-input-from-file exe
(lambda ()
(let ([m (regexp-match (byte-regexp
(bytes-append
(bytes->utf-16-bytes #"dLl dIRECTORy:")
#"((?:..)*?)\0\0"))
(current-input-port))])
(unless m
(error "cannot find \"dLl dIRECTORy\" tag in binary"))
(let-values ([(dir name dir?) (split-path exe)])
(if (regexp-match #rx#"^<" (cadr m))
;; no DLL dir in binary
#f
;; resolve relative directory:
(let ([p (bytes->path (utf-16-bytes->bytes (cadr m)))])
(path->complete-path p dir))))))))]
[(macosx)
(let* ([exe (parameterize ([current-directory (system-path* 'orig-dir)])
(let loop ([p (find-executable-path
(find-system-path 'exec-file))])
(if (link-exists? p)
(loop (let-values ([(r) (resolve-path p)]
[(dir name dir?) (split-path p)])
(if (and (path? dir)
(relative-path? r))
(build-path dir r)
r)))
p)))]
[rel (get/set-dylib-path exe "Racket" #f)])
(cond
[(not rel) #f] ; no framework reference found!?
[(regexp-match
#rx#"^(@executable_path/)?(.*?)G?Racket.framework"
rel)
=> (lambda (m)
(let ([b (caddr m)])
(if (and (not (cadr m)) (bytes=? b #""))
#f ; no path in exe
(simplify-path
(path->complete-path
(if (not (cadr m))
(bytes->path b)
(let-values ([(dir name dir?) (split-path exe)])
(if (bytes=? b #"")
dir
(build-path dir (bytes->path b)))))
(system-path* 'orig-dir))))))]
[else (find-lib-dir)]))]
[else
(if (eq? 'shared (system-type 'link))
(or (force config:dll-dir) (find-lib-dir))
#f)])))
(define (find-dll-dir)
(force dll-dir))