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77 lines
4.4 KiB
Racket
77 lines
4.4 KiB
Racket
#lang racket/base
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(require racket/syntax syntax/strip-context)
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(require (only-in scribble/reader make-at-reader) pollen/world pollen/project racket/list)
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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) (syntax->datum (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 (eq? reader-mode world:mode-template)
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(and (string? path-string)
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(regexp-match (pregexp (format "\\.~a$" (world:current-template-source-ext))) path-string)))
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(world:current-template-command-char)
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(world:current-command-char))
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#:syntax? #t
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#:inside? #t))
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(define source-stx (read-inner path-string p))
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(define reader-here-path (cond
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[(symbol? path-string) (symbol->string path-string)]
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[(equal? path-string "unsaved editor") path-string]
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[else (path->string path-string)]))
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(define parser-mode (if (eq? reader-mode world:mode-auto)
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(let* ([file-ext-pattern (pregexp "\\w+$")]
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[here-ext (string->symbol (car (regexp-match file-ext-pattern reader-here-path)))]
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[auto-computed-mode (cond
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[(eq? here-ext (world:current-pagetree-source-ext)) world:mode-pagetree]
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[(eq? here-ext (world:current-markup-source-ext)) world:mode-markup]
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[(eq? here-ext (world:current-markdown-source-ext)) world:mode-markdown]
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[else world:mode-preproc])])
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auto-computed-mode)
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reader-mode))
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(define post-parser-syntax
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(with-syntax ([HERE-KEY (format-id source-stx "~a" (world:current-here-path-key))]
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[HERE-PATH (datum->syntax source-stx reader-here-path)]
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[POLLEN-MOD (format-symbol "~a" (gensym))] ; prevents conflicts with other imported Pollen sources
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[PARSER-MODE-VALUE (format-symbol "~a" parser-mode)]
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[DIRECTORY-REQUIRES (datum->syntax source-stx (require+provide-directory-require-files path-string))]
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[(SOURCE-LINE ...) source-stx]
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[DOC (format-id source-stx "~a" (world:current-main-export))])
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(replace-context
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source-stx
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#'(module runtime-wrapper racket/base
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(module POLLEN-MOD pollen
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(define-meta HERE-KEY HERE-PATH)
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(define parser-mode 'PARSER-MODE-VALUE)
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(provide (except-out (all-defined-out) parser-mode)
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(prefix-out inner: parser-mode)) ; avoids conflicts with importing modules
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DIRECTORY-REQUIRES
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SOURCE-LINE ...)
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(require (submod pollen/runtime-config show) 'POLLEN-MOD)
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(provide (all-from-out 'POLLEN-MOD))
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(show DOC inner:parser-mode HERE-PATH))))) ; HERE-PATH acts as "local" runtime config
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(syntax-property post-parser-syntax
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'module-language
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`#(pollen/language-info get-language-info ,reader-here-path)))) ; reader-here-path acts as "top" runtime config
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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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(define (get-info in mod line col pos)
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(λ (key default)
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(case key
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[(color-lexer)
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(define make-scribble-inside-lexer2
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(dynamic-require 'syntax-color/scribble-lexer 'make-scribble-inside-lexer (λ () #f)))
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(cond [make-scribble-inside-lexer2
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(make-scribble-inside-lexer2 #:command-char #\◊)]
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[else default])]
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[else default])))
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(provide (rename-out [custom-read read] [custom-read-syntax read-syntax]) get-info))) |