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39 lines
1.8 KiB
Racket
39 lines
1.8 KiB
Racket
#lang racket/base
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(require (only-in scribble/reader make-at-reader) pollen/world racket/path pollen/project)
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(provide define+provide-reader-in-mode (all-from-out pollen/world))
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(define (make-custom-read custom-read-syntax-proc)
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(λ(p)
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(syntax->datum
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(custom-read-syntax-proc (object-name p) p))))
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(define (make-custom-read-syntax reader-mode)
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(λ (path-string p)
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(define read-inner (make-at-reader
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#:command-char (if (or (equal? reader-mode world:mode-template)
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(and (string? path-string) (regexp-match (pregexp (format "\\.~a$" world:template-source-ext)) path-string)))
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world:template-command-marker
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world:command-marker)
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#:syntax? #t
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#:inside? #t))
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(define file-contents (read-inner path-string p))
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(datum->syntax file-contents
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`(module pollen-lang-module pollen
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(define reader-mode ',reader-mode)
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(define reader-here-path ,(cond
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[(symbol? path-string) (symbol->string path-string)]
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[(equal? path-string "unsaved editor") path-string]
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[else (path->string path-string)]))
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,(require+provide-project-require-files path-string)
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,@file-contents)
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file-contents)))
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(define-syntax-rule (define+provide-reader-in-mode mode)
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(begin
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(define reader-mode mode)
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(define custom-read-syntax (make-custom-read-syntax reader-mode))
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(define custom-read (make-custom-read custom-read-syntax))
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(provide (rename-out [custom-read read] [custom-read-syntax read-syntax])))) |