simplify project-requires to one file; make pollen sources importable

pull/9/head
Matthew Butterick 11 years ago
parent 6e7a72cc99
commit 42c0cc59d3

@ -1,107 +0,0 @@
#lang racket/base
(require (for-syntax racket/base pollen/project-requires))
(provide (all-defined-out))
;; A place to stash functions that don't change between compiles of Pollen files.
(define-for-syntax (put-file-in-require-form file)
`(file ,(path->string file)))
(define-for-syntax (do-project-require-file-syntax stx #:provide? [provide? #f])
(define project-require-files (get-project-require-files))
(if project-require-files
(let ([files-in-require-form (map put-file-in-require-form project-require-files)])
(datum->syntax stx `(begin
(require ,@files-in-require-form)
,@(if provide?
(list `(provide (all-from-out ,@files-in-require-form)))
'()))))
; if no files to import, do nothing
#'(begin)))
(define-syntax (require-and-provide-project-require-files stx)
(do-project-require-file-syntax stx #:provide? #t))
(define-syntax (require-project-require-files stx)
(do-project-require-file-syntax stx))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;
; Copied out from racket/contract/private/base to avoid import
; Importing racket/contract/region is slow
; Used to be called current-contract-region
;
(require racket/stxparam syntax/location)
(define-syntax-parameter current-file-path
(λ (stx)
(if (eq? (syntax-local-context) 'expression)
(let* ([ctxt (syntax-local-lift-context)]
[id (hash-ref (make-hasheq) ctxt #f)])
(with-syntax ([id (or id
(let ([id (syntax-local-lift-expression
(syntax/loc stx (quote-module-name)))])
(hash-set! (make-hasheq) ctxt (syntax-local-introduce id))
id))])
#'id))
(quasisyntax/loc stx (#%expression #,stx)))))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;
; Copied out from racket/path to avoid import
;
(define (pollen-find-relative-path directory filename #:more-than-root? [more-than-root? #f])
(define (do-explode-path who orig-path)
(define l (explode-path orig-path))
(for ([p (in-list l)])
(when (not (path-for-some-system? p))
(raise-argument-error who
"(and/c path-for-some-system? simple-form?)"
orig-path)))
l)
(let ([dir (do-explode-path 'find-relative-path directory)]
[file (do-explode-path 'find-relative-path filename)])
(if (and (equal? (car dir) (car file))
(or (not more-than-root?)
(not (eq? 'unix (path-convention-type directory)))
(null? (cdr dir))
(null? (cdr file))
(equal? (cadr dir) (cadr file))))
(let loop ([dir (cdr dir)]
[file (cdr file)])
(cond [(null? dir) (if (null? file) filename (apply build-path file))]
[(null? file) (apply build-path/convention-type
(path-convention-type filename)
(map (lambda (x) 'up) dir))]
[(equal? (car dir) (car file))
(loop (cdr dir) (cdr file))]
[else
(apply build-path (append (map (lambda (x) 'up) dir) file))]))
filename)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(define-syntax (get-here-path stx)
#'(begin
(let* ([cfp (current-file-path)]
[here-path (cond
;; file isn't yet saved in drracket
;; 'pollen-lang-module name is applied by reader
[(or (equal? 'pollen-lang-module cfp)
(and (list? cfp) (equal? (car cfp) 'pollen-lang-module)))
"unsaved-file"]
;; if current-file-path is called from within submodule, you get a list
;; in which case, just grab the path from the front
[(list? cfp) (path->string (car cfp))]
[else (path->string cfp)])])
here-path)))

@ -1,27 +1,34 @@
#lang racket/base
(require (only-in scribble/reader make-at-reader) pollen/world)
(require (only-in scribble/reader make-at-reader) pollen/world racket/path pollen/project-requires)
(provide make-reader-with-mode (all-from-out pollen/world))
(define read-inner (make-at-reader
#:command-char world:expression-delimiter
#:syntax? #t
#:inside? #t))
(define (make-custom-read custom-read-syntax-proc)
(λ(p)
(syntax->datum
(custom-read-syntax-proc (object-name p) p))))
(define (make-custom-read-syntax reader-mode)
(λ (path-string p)
(define file-contents (read-inner path-string p))
(datum->syntax file-contents
`(module pollen-lang-module pollen
(define reader-mode ',reader-mode)
(define here-path ,(path->string path-string))
(define here ,(path->string (path-replace-suffix (find-relative-path (world:current-project-root) path-string) "")))
,(require+provide-project-require-files path-string)
,@file-contents)
file-contents)))
(define-syntax-rule (make-reader-with-mode mode)
(begin
(define reader-mode mode)

@ -12,23 +12,12 @@
(λ(x) x) ; post-process function
() ; prepended exprs
(require pollen/lang/inner-lang-helper)
(require-and-provide-project-require-files) ; only works if current-directory is set correctly
;; Change behavior of undefined identifiers with #%top
(require pollen/top)
(provide (all-from-out pollen/top))
;; Get project values
(require pollen/world)
(provide (all-from-out pollen/world))
;; Build 'inner-here-path and 'inner-here
(define (here-path->here here-path)
(path->string (path-replace-suffix (pollen-find-relative-path (world:current-project-root) here-path) "")))
(define inner-here-path (get-here-path))
(define inner-here (here-path->here inner-here-path))
;; Get project values from world
(require pollen/top pollen/world)
(provide (all-from-out pollen/top pollen/world))
;; for anything defined in pollen source file
(provide (all-defined-out))
body-exprs ...)
@ -39,7 +28,7 @@
(define parser-mode
(if (equal? reader-mode world:reader-mode-auto)
(let* ([file-ext-pattern (pregexp "\\w+$")]
[here-ext (string->symbol (car (regexp-match file-ext-pattern inner-here-path)))])
[here-ext (string->symbol (car (regexp-match file-ext-pattern here-path)))])
(cond
[(equal? here-ext world:pagemap-source-ext) world:reader-mode-pagemap]
[(equal? here-ext world:markup-source-ext) world:reader-mode-markup]
@ -64,8 +53,8 @@
(apply (compose1 (dynamic-require 'markdown 'parse-markdown) string-append) doc-raw)
doc-raw)])
`(placeholder-root
,@(cons (meta 'here: inner-here)
(cons (meta 'here-path: inner-here-path)
,@(cons (meta 'here: here)
(cons (meta 'here-path: here-path)
;; cdr strips initial linebreak, but make sure doc-raw isn't blank
(if (and (list? doc-raw) (> 0 (length doc-raw))) (cdr doc-raw) doc-raw))))))
@ -87,7 +76,7 @@
(provide metas doc
;; hide the exports that were only for internal use.
(except-out (all-from-out 'inner) inner-here inner-here-path doc-raw #%top))
(except-out (all-from-out 'inner) doc-raw #%top))
;; for output in DrRacket
(module+ main

@ -1,18 +1,23 @@
#lang racket/base
(require "world.rkt")
(provide (all-defined-out))
(require "world.rkt" sugar/define/contract sugar/coerce/contract)
(define (project-require-file? path)
(define path-string (path->string path))
(define racket-ext "rkt")
(equal? (substring path-string (- (string-length path-string) (string-length racket-ext)) (string-length path-string)) racket-ext))
(define/contract+provide (get-project-require-files source-path) ; keep contract local to ensure coercion
(coerce/path? . -> . (or/c #f (listof path?)))
(define possible-requires (list (simplify-path (build-path source-path 'up world:pollen-require))))
(and (andmap file-exists? possible-requires) possible-requires))
;; list of all eligible requires in project require directory
(define (get-project-require-files)
(define extras-directory (build-path (world:current-project-root) world:extras-dir))
(and (directory-exists? extras-directory)
;; #:build? option returns complete paths (instead of just file names)
(let ([files (filter project-require-file? (directory-list extras-directory #:build? #t))])
(and (not (equal? null files)) files))))
(define+provide/contract (require+provide-project-require-files here-path)
(coerce/path? . -> . list?)
(define (put-file-in-require-form file)
`(file ,(path->string file)))
(define project-require-files (get-project-require-files here-path))
(if project-require-files
(let ([files-in-require-form (map put-file-in-require-form project-require-files)])
`(begin
(require ,@files-in-require-form)
,@(list `(provide (all-from-out ,@files-in-require-form)))))
(void)))

@ -77,8 +77,8 @@
(file-proc source-or-output-path))
(define (project-requires-changed?)
(define project-require-files (get-project-require-files))
(define (project-requires-changed? source-path)
(define project-require-files (get-project-require-files source-path))
(define rerequire-results (and project-require-files (map file-needed-rerequire? project-require-files)))
(define requires-changed? (and rerequire-results (ormap (λ(x) x) rerequire-results)))
(when requires-changed?
@ -94,7 +94,7 @@
(or (not (file-exists? output-path))
(modification-date-expired? source-path template-path)
(and (not (null-source? source-path)) (file-needed-rerequire? source-path))
(and (world:check-project-requires-in-render?) (project-requires-changed?))))
(and (world:check-project-requires-in-render?) (project-requires-changed? source-path))))
(define/contract+provide (render-to-file-if-needed source-path [template-path #f] [maybe-output-path #f] #:force [force #f])

@ -35,7 +35,7 @@
(define main-pollen-export 'doc) ; don't forget to change fallback template too
(define meta-pollen-export 'metas)
(define extras-dir (string->path "pollen-require"))
(define pollen-require "pollen-require.rkt")
(define missing-file-boilerplace "#lang pollen\n\n")
@ -50,7 +50,7 @@
(define command-file "polcom")
(define reserved-paths
(map string->path (list command-file (path->string extras-dir) "poldash.css" "compiled")))
(map string->path (list command-file "poldash.css" "compiled")))
(define current-project-root (make-parameter (current-directory)))

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