582 lines
25 KiB
Scheme
582 lines
25 KiB
Scheme
#lang scheme/unit
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(require setup/getinfo
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mred
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scheme/class
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scheme/list
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"drsig.ss"
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"language-object-contract.ss"
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scheme/contract
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framework
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string-constants
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scheme/runtime-path)
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(require (for-syntax scheme/base scheme/match))
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(import [prefix drscheme:frame: drscheme:frame^]
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[prefix drscheme:unit: drscheme:unit^]
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[prefix drscheme:rep: drscheme:rep^]
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[prefix drscheme:get/extend: drscheme:get/extend^]
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[prefix drscheme:language: drscheme:language^]
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[prefix drscheme:language-configuration: drscheme:language-configuration^]
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[prefix drscheme:help-desk: drscheme:help-desk^]
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[prefix drscheme:init: drscheme:init^]
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[prefix drscheme:debug: drscheme:debug^]
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[prefix drscheme:eval: drscheme:eval^]
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[prefix drscheme:modes: drscheme:modes^])
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(export drscheme:tools^)
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;; An installed-tool is
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;; (make-installed-tool directory-record module-spec string/#f string/#f string/#f string/#f)
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(define-struct installed-tool (dir spec bitmap name url))
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;; installed-tools : (list-of installed-tool)
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(define installed-tools null)
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;; successful-tool = (make-successful-tool module-spec
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;; (union #f (instanceof bitmap%))
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;; (union #f string)
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;; (union #f string))
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(define-struct successful-tool (spec bitmap name url))
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;; successful-tools : (listof successful-tool)
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(define successful-tools null)
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;; get-successful-tools : -> (listof successful-tool)
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(define (get-successful-tools) successful-tools)
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;; successfully-loaded-tool =
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;; (make-successfully-loaded-tool
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;; module-spec (union #f (instanceof bitmap%)) (union #f string) (union #f string)
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;; (-> void) (-> void))
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(define-struct successfully-loaded-tool (spec bitmap name url phase1 phase2))
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;; successfully-loaded-tools : (listof successfully-loaded-tool)
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;; this list contains the tools that successfully were loaded
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;; it is updated in load/invoke-tool.
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(define successfully-loaded-tools null)
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;; load/invoke-all-tools : -> void
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(define (load/invoke-all-tools phase1-extras phase2-extras)
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(rescan-installed-tools!)
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(set! current-phase 'loading-tools)
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(let ([candidate-tools (filter candidate-tool? installed-tools)])
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(for-each load/invoke-tool candidate-tools)
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(run-phases phase1-extras phase2-extras)))
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;; rescan-installed-tools! : -> void
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(define (rescan-installed-tools!)
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(set! installed-tools (all-installed-tools)))
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;; all-installed-tools : -> (list-of installed-tool)
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(define (all-installed-tools)
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(apply append
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(map installed-tools-for-directory
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(all-tool-directories))))
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;; all-tool-directories : -> (list-of directory-record)
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(define (all-tool-directories)
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(find-relevant-directory-records '(tools tool-icons tool-names tool-urls)))
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;; installed-tools-for-directory : directory-record -> (list-of installed-tool)
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(define (installed-tools-for-directory coll-dir)
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(let ([table (get-info/full (directory-record-path coll-dir))])
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(if table
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(let* ([tools (table 'tools (lambda () null))]
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[tool-icons (table 'tool-icons (lambda () (map (lambda (x) #f) tools)))]
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[tool-names (table 'tool-names (lambda () (map (lambda (x) #f) tools)))]
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[tool-urls (table 'tool-urls (lambda () (map (lambda (x) #f) tools)))])
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(unless (= (length tools) (length tool-icons))
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(message-box (string-constant drscheme)
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(format (string-constant tool-tool-icons-same-length)
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coll-dir tools tool-icons)
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#f
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'(ok stop))
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(set! tool-icons (map (lambda (x) #f) tools)))
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(unless (= (length tools) (length tool-names))
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(message-box (string-constant drscheme)
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(format (string-constant tool-tool-names-same-length)
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coll-dir tools tool-names)
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#f
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'(ok stop))
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(set! tool-names (map (lambda (x) #f) tools)))
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(unless (= (length tools) (length tool-urls))
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(message-box (string-constant drscheme)
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(format (string-constant tool-tool-urls-same-length)
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coll-dir tools tool-urls)
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#f
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'(ok stop))
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(set! tool-urls (map (lambda (x) #f) tools)))
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(map (lambda (t i n u) (make-installed-tool coll-dir t i n u))
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tools tool-icons tool-names tool-urls))
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null)))
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;; candidate-tool? : installed-tool -> boolean
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;; Predicate for tools selected for execution in this
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;; run of DrScheme (depending on env variables and preferences)
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(define candidate-tool?
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(cond
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[(getenv "PLTNOTOOLS")
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(printf "PLTNOTOOLS: skipping tools\n")
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(lambda (it) #f)]
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[(getenv "PLTONLYTOOL") =>
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(lambda (onlys)
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(let* ([allowed (let ([exp (read (open-input-string onlys))])
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(cond
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[(symbol? exp) (list exp)]
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[(pair? exp) exp]
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[else '()]))]
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[directory-ok? (lambda (x)
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(let-values ([(base name dir) (split-path x)])
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(memq (string->symbol (path->string name))
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allowed)))])
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(printf "PLTONLYTOOL: only loading ~s\n" allowed)
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(lambda (it)
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(directory-ok?
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(directory-record-path
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(installed-tool-dir it))))))]
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[else
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(lambda (it)
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(eq? (or (get-tool-configuration it)
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(default-tool-configuration it))
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'load))]))
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;; get-tool-configuration : installed-tool -> symbol/#f
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;; Get tool configuration preference or #f if no preference set.
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(define (get-tool-configuration it)
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(let ([p (assoc (installed-tool->key it) (toolspref))])
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(and p (cadr p))))
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;; default-tool-configuration : installed-tool -> (union 'load 'skip)
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(define (default-tool-configuration it)
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(preferences:get 'drscheme:default-tools-configuration))
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(define toolspref
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(case-lambda
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[() (preferences:get 'drscheme:tools-configuration)]
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[(v) (preferences:set 'drscheme:tools-configuration v)]))
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(define (installed-tool->key it)
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(list (directory-record-spec (installed-tool-dir it))
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(installed-tool-spec it)))
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(define (installed-tool-full-path it)
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(apply build-path
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(directory-record-path (installed-tool-dir it))
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(let ([path-parts (installed-tool-spec it)])
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(cond [(list? path-parts)
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(append (cdr path-parts) (list (car path-parts)))]
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[else (list path-parts)]))))
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(define (installed-tool->module-spec it)
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(let* ([dirrec (installed-tool-dir it)]
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[key (directory-record-spec dirrec)]
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[maj (directory-record-maj dirrec)]
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[min (directory-record-min dirrec)]
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[parts (let ([parts0 (installed-tool-spec it)])
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(if (list? parts0)
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parts0
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(list parts0)))]
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[file (car parts)]
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[rest-parts (cdr parts)])
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(case (car key)
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((lib)
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`(lib ,(string-append
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(apply string-append
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(map (lambda (s)
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(string-append s "/"))
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(append (cdr key) rest-parts)))
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file)))
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((planet)
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`(planet ,file (,@(cdr key) ,maj ,min) ,@rest-parts)))))
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;; installed-tool-is-loaded : installed-tool -> boolean
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(define (installed-tool-is-loaded? it)
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(let ([path (installed-tool-full-path it)])
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(ormap (lambda (st) (equal? path (successful-tool-spec st)))
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(get-successful-tools))))
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;
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;
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;
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; ;;;; ;;;; ;; ;; ;;;;
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; ;;;; ;;;; ;; ;; ;;;;
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; ;;;; ;;;; ;;;;;;; ;;;;;;; ;; ;;;; ;;; ;;; ;;; ;;;; ;;;; ;;; ;;;
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; ;;;; ;;;;;; ;;;;;;;; ;;;;;;;; ;;;;;; ;;;;;;;;; ;;; ;;; ;;;;;; ;;;; ;;; ;;;;;
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; ;;;; ;;;;;;;; ;;;; ;;;;;;;;; ;;;;;; ;;;; ;;;; ;;;;;; ;;;;;;;; ;;;;;;; ;;;; ;;
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; ;;;; ;;;; ;;; ;;;;;;; ;;;; ;;;; ;; ;;;; ;;;; ;;;; ;;;;;; ;;;; ;;; ;;;;;;; ;;;;;;;
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; ;;;; ;;;;;;;; ;; ;;;; ;;;;;;;;; ;; ;;;; ;;;; ;;;; ;;;;;; ;;;;;;;; ;;;; ;;; ;;;;;
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; ;;;; ;;;;;; ;;;;;;;; ;;;;;;;; ;; ;;;; ;;;; ;;;; ;;;; ;;;;;; ;;;; ;;; ;;;;;;
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; ;;;; ;;;; ;; ;;;; ;;;;;;; ;; ;;;; ;;;; ;;;; ;;;; ;;;; ;;;; ;;; ;;;;
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; ;;
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;
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;
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;; load/invoke-tool : installed-tool -> void
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(define (load/invoke-tool it)
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(load/invoke-tool* (directory-record-path (installed-tool-dir it))
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(installed-tool-spec it)
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(installed-tool-bitmap it)
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(installed-tool-name it)
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(installed-tool-url it)))
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;; load/invoke-tool* : path
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;; (listof string[sub-collection-name])
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;; (union #f (cons string[filename] (listof string[collection-name])))
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;; (union #f string)
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;; (union #f string)
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;; -> void
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;; `coll' is a collection to load the tool from
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;; `in-path' is the `coll'-relative collection-path spec for the tool module file
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;; `icon-spec' is the collection-path spec for the tool's icon, if there is one.
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;; `name' is the name of the tool (only used in about box)
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(define (load/invoke-tool* coll-dir in-path icon-spec name tool-url)
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(let* ([icon-path
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(cond
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[(string? icon-spec)
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(build-path coll-dir icon-spec)]
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[(and (list? icon-spec)
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(andmap string? icon-spec))
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(build-path (apply collection-path (cdr icon-spec)) (car icon-spec))]
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[else #f])]
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[tool-bitmap
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(and icon-path
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(install-tool-bitmap name icon-path))])
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(let/ec k
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(unless (or (string? in-path)
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(and (list? in-path)
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(not (null? in-path))
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(andmap string? in-path)))
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(message-box (string-constant drscheme)
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(format (string-constant invalid-tool-spec)
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coll-dir in-path)
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#f
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'(ok stop))
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(k (void)))
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(let* ([tool-path
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(if (string? in-path)
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(build-path coll-dir in-path)
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(apply build-path coll-dir (append (cdr in-path) (list (car in-path)))))]
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[unit
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(with-handlers ([exn:fail?
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(lambda (x)
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(show-error
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(format (string-constant error-invoking-tool-title)
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coll-dir in-path)
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x)
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(k (void)))])
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(dynamic-require tool-path 'tool@))])
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(with-handlers ([exn:fail?
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(lambda (x)
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(show-error
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(format (string-constant error-invoking-tool-title)
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coll-dir in-path)
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x))])
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(let-values ([(phase1-thunk phase2-thunk)
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(invoke-tool unit (string->symbol (or name (path->string coll-dir))))])
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(set! successfully-loaded-tools
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(cons (make-successfully-loaded-tool
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tool-path
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tool-bitmap
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name
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tool-url
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phase1-thunk
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phase2-thunk)
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successfully-loaded-tools))))))))
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(define-syntax (wrap-tool-inputs stx)
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(syntax-case stx ()
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[(_ body tool-name)
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(let ()
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(define full-sexp
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(call-with-input-file (build-path (collection-path "drscheme") "tool-lib.ss")
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(λ (port)
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(parameterize ([read-accept-reader #t])
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(read port)))))
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(let loop ([sexp full-sexp])
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(match sexp
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[`((provide/doc (,x ,name ,ctc ,other ...) ...) ,rest ...)
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#`(let #,(map (λ (name ctc)
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(with-syntax ([name (datum->syntax #'tool-name name)]
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[ctc (datum->syntax #'tool-name ctc)])
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#`[name (contract (let ([name ctc]) name)
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name
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'drscheme
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tool-name
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(quote-syntax name))]))
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name
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ctc)
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body)]
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[`(,a . ,b)
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(loop b)]
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[`()
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(error 'tcl.ss "did not find provide/doc" full-sexp)])))]))
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;; invoke-tool : unit/sig string -> (values (-> void) (-> void))
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;; invokes the tools and returns the two phase thunks.
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(define (invoke-tool unit tool-name)
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(define-unit-binding unit@ unit (import drscheme:tool^) (export drscheme:tool-exports^))
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(language-object-abstraction drscheme:language:object/c #f)
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(wrap-tool-inputs
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(let ()
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(define-values/invoke-unit unit@
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(import drscheme:tool^) (export drscheme:tool-exports^))
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(values phase1 phase2))
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tool-name))
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;; show-error : string (union exn TST) -> void
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(define (show-error title x)
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(parameterize ([drscheme:init:error-display-handler-message-box-title
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title])
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((error-display-handler)
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(if (exn? x)
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(format "~a\n\n~a" title (exn-message x))
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(format "~a\n\nuncaught exception: ~s" title x))
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x)))
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;; install-tool-bitmap : string path -> bitmap
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;; adds the tool's bitmap to the splash screen
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(define (install-tool-bitmap name bitmap-path)
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(let/ec k
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(let ([bitmap
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(with-handlers ([exn:fail:filesystem? (lambda (x) (k (void)))])
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(make-object bitmap% bitmap-path 'unknown/mask))])
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(unless (and (is-a? bitmap bitmap%)
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(send bitmap ok?))
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(k #f))
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(let ([splash-eventspace ((dynamic-require 'framework/splash 'get-splash-eventspace))]
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[splash-bitmap ((dynamic-require 'framework/splash 'get-splash-bitmap))]
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[splash-canvas ((dynamic-require 'framework/splash 'get-splash-canvas))])
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(unless (and (eventspace? splash-eventspace)
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(is-a? splash-bitmap bitmap%)
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(send splash-bitmap ok?)
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(is-a? splash-canvas canvas%))
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(k (void)))
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(parameterize ([current-eventspace splash-eventspace])
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(queue-callback
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(lambda ()
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(let ([bdc (make-object bitmap-dc%)]
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[translated-tool-bitmap-y (max 0 (- (send splash-bitmap get-height) tool-bitmap-y tool-bitmap-size))])
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;; truncate/expand the bitmap, if necessary
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(unless (and (= tool-bitmap-size (send bitmap get-width))
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(= tool-bitmap-size (send bitmap get-height)))
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(let ([new-b (make-object bitmap% tool-bitmap-size tool-bitmap-size #f)])
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(send bdc set-bitmap new-b)
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(send bdc clear)
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(send bdc draw-bitmap-section splash-bitmap
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0 0
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tool-bitmap-x translated-tool-bitmap-y
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tool-bitmap-size tool-bitmap-size)
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(send bdc draw-bitmap bitmap
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(max 0 (- (/ tool-bitmap-size 2)
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(/ (send bitmap get-width) 2)))
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(max 0 (- (/ tool-bitmap-size 2)
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(/ (send bitmap get-height) 2)))
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'solid
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(make-object color% "black")
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(send bitmap get-loaded-mask))
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(send bdc set-bitmap #f)
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(set! bitmap new-b)))
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((dynamic-require 'framework/splash 'add-splash-icon)
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bitmap tool-bitmap-x translated-tool-bitmap-y)
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(set! tool-bitmap-x (+ tool-bitmap-x tool-bitmap-size tool-bitmap-gap))
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(when ((+ tool-bitmap-x tool-bitmap-gap tool-bitmap-size) . > . (send splash-bitmap get-width))
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(set! tool-bitmap-y (+ tool-bitmap-y tool-bitmap-size tool-bitmap-gap))
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(set! tool-bitmap-x tool-bitmap-gap))
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(when ((+ tool-bitmap-y tool-bitmap-gap tool-bitmap-size) . > . (send splash-bitmap get-width))
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(set! tool-bitmap-y tool-bitmap-gap)))))))
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bitmap)))
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(define tool-bitmap-gap 3)
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(define tool-bitmap-x tool-bitmap-gap)
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(define tool-bitmap-y tool-bitmap-gap)
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(define tool-bitmap-size 32)
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;; ; ;;;
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; ;;; ;;; ; ;
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; ; ; ; ; ;
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; ;;; ; ;; ;;;; ;;; ;;; ; ; ; ;
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; ; ;; ; ; ; ; ; ; ; ; ; ;
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; ; ; ; ;;;; ;;; ;;;;; ; ;;; ; ;
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; ; ; ; ; ; ; ; ; ; ; ;
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; ; ; ; ; ; ; ; ; ; ; ; ;; ; ;
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;;;; ;;; ;;; ;;; ; ;;; ;;; ;;;;; ;;; ; ;;;;;
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;
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;
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;;;
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;; run-phases : -> void
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(define (run-phases phase1-extras phase2-extras)
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(let* ([after-phase1 (run-one-phase 'phase1
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(string-constant tool-error-phase1)
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successfully-loaded-tool-phase1
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successfully-loaded-tools
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phase1-extras)]
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[after-phase2 (run-one-phase 'phase2
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(string-constant tool-error-phase2)
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successfully-loaded-tool-phase2
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after-phase1
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phase2-extras)])
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(set! current-phase 'init-complete)
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(set! successful-tools
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(map (lambda (x) (make-successful-tool
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(successfully-loaded-tool-spec x)
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(successfully-loaded-tool-bitmap x)
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(successfully-loaded-tool-name x)
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(successfully-loaded-tool-url x)))
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after-phase2))))
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;; run-one-phase : string
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;; (successfully-loaded-tool -> (-> void))
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;; (listof successfully-loaded-tool)
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;; (-> void)
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;; -> (listof successfully-loaded-tool)
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;; filters out the tools that raise exceptions during the phase.
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;; extras is the thunk for DrScheme init stuff on this phase.
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(define (run-one-phase _the-phase err-fmt selector tools extras)
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(set! current-phase _the-phase)
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(extras)
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(let loop ([tools tools])
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(cond
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[(null? tools) null]
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[else
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(let ([tool (car tools)])
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(let ([phase-thunk (selector tool)])
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|
(with-handlers ([exn:fail?
|
|
(lambda (exn)
|
|
(show-error
|
|
(format err-fmt
|
|
(successfully-loaded-tool-spec tool)
|
|
(successfully-loaded-tool-name tool))
|
|
exn)
|
|
(loop (cdr tools)))])
|
|
(phase-thunk)
|
|
(cons tool (loop (cdr tools))))))])))
|
|
|
|
;; current-phase : (union #f 'loading-tools 'phase1 'phase2 'init-complete)
|
|
(define current-phase #f)
|
|
(define (get-current-phase) current-phase)
|
|
|
|
;; only-in-phase : sym (union #f 'loading-tools 'phase1 'phase2 'init-complete) ... -> void
|
|
;; raises an error unless one of `phases' is the current phase
|
|
(define (only-in-phase func . phases)
|
|
(unless (memq current-phase phases)
|
|
(error func "can only be called in phase: ~a"
|
|
(apply string-append
|
|
(map (lambda (x) (format "~e " x))
|
|
(filter (lambda (x) x) phases))))))
|
|
|
|
;; Preferences GUI
|
|
|
|
(define load-action "Load the tool")
|
|
(define skip-action "Skip the tool")
|
|
|
|
(define (add-prefs-panel)
|
|
(preferences:add-panel
|
|
"Tools"
|
|
(lambda (parent)
|
|
(define main (new vertical-panel% (parent parent)))
|
|
(define advisory
|
|
(new message%
|
|
(parent main)
|
|
(label "Changes to tool configuration will take effect the next time you start DrScheme.")))
|
|
(define listing
|
|
(new list-box%
|
|
(parent main)
|
|
(label "Installed tools")
|
|
(choices null)
|
|
(callback (lambda _ (on-select-tool)))))
|
|
(define info
|
|
(new vertical-panel%
|
|
(parent main)
|
|
(style '(border))
|
|
(stretchable-height #f)))
|
|
(define location
|
|
(new text-field%
|
|
(parent info)
|
|
(label "Tool: ")))
|
|
(define location-editor (send location get-editor))
|
|
(define configuration
|
|
(new radio-box%
|
|
(label "Load the tool when DrScheme starts?")
|
|
(parent info)
|
|
(choices (list load-action skip-action #| default-action |#))
|
|
(callback (lambda _ (on-select-policy)))))
|
|
|
|
(define (populate-listing!)
|
|
(send listing clear)
|
|
(for-each
|
|
(lambda (entry+it)
|
|
(send listing append
|
|
(car entry+it)
|
|
(cdr entry+it)))
|
|
(sort (map (lambda (it) (cons (tool-list-entry it) it))
|
|
installed-tools)
|
|
(lambda (a b)
|
|
(string<? (car a) (car b))))))
|
|
(define (tool-list-entry it)
|
|
(let ([name (or (installed-tool-name it)
|
|
(format "unnamed tool ~a"
|
|
(installed-tool->module-spec it)))])
|
|
(if (installed-tool-is-loaded? it)
|
|
(string-append name " (loaded)")
|
|
name)))
|
|
(define (on-select-tool)
|
|
(let ([it (get-selected-tool)])
|
|
(send* location-editor
|
|
(begin-edit-sequence)
|
|
(lock #f)
|
|
(erase)
|
|
(insert
|
|
(if it
|
|
(format "~s" (installed-tool->module-spec it))
|
|
""))
|
|
(lock #t)
|
|
(end-edit-sequence))
|
|
(send configuration set-selection
|
|
(case (and it (get-tool-configuration it))
|
|
((load) 0)
|
|
((skip) 1)
|
|
((#f) 0))) ;; XXX (or 2, if default is an option)
|
|
(send configuration enable (and it #t))
|
|
(void)))
|
|
(define (on-select-policy)
|
|
(let ([it (get-selected-tool)]
|
|
[policy
|
|
(case (send configuration get-selection)
|
|
((0) 'load)
|
|
((1) 'skip))])
|
|
(when it
|
|
(let ([key (installed-tool->key it)])
|
|
(case policy
|
|
((load)
|
|
(toolspref (cons (list key 'load)
|
|
(let ([ts (toolspref)])
|
|
(remove (assoc key ts) ts)))))
|
|
((skip)
|
|
(toolspref (cons (list key 'skip)
|
|
(let ([ts (toolspref)])
|
|
(remove (assoc key ts) ts)))))
|
|
((#f)
|
|
(toolspref (let ([ts (toolspref)])
|
|
(remove (assoc key ts) ts))))))))
|
|
(void))
|
|
(define (get-selected-tool)
|
|
(let ([index (send listing get-selection)])
|
|
(and index (send listing get-data index))))
|
|
(populate-listing!)
|
|
(send location-editor lock #t)
|
|
main)))
|