wave of mutilation

pull/111/head
Matthew Butterick 9 years ago
parent 0b2ff83c80
commit 54a25039e5

@ -7,55 +7,55 @@
(rename-out [dialect-module-begin #%module-begin]))
(define-syntax-rule (dialect-module-begin PARSER-MODE-IN OUTER-EXPR ...)
(define-syntax-rule (dialect-module-begin <parser-mode-in> <outer-expr> ...)
(#%module-begin
(require racket/base)
(provide (except-out (all-from-out racket/base) #%module-begin)
(rename-out [pollen-module-begin #%module-begin]))
(define-syntax (pollen-module-begin stx)
(syntax-case stx ()
[(_ EXPR (... ...))
(let-values ([(meta-hash expr-without-metas) (split-metas (syntax->datum #'(EXPR (... ...))) (setup:define-meta-name))])
(with-syntax ([META-HASH (datum->syntax #f meta-hash)]
[(EXPR-WITHOUT-METAS (... ...)) (datum->syntax #f expr-without-metas)]
[METAS (format-id #f "~a" (setup:meta-export))]
[META-MOD (format-symbol "~a" (setup:meta-export))]
[ROOT (format-id #f "~a" (setup:main-root-node))]
[NEWLINE (datum->syntax #f (setup:newline))]
[MODE-PAGETREE (datum->syntax #f default-mode-pagetree)]
[MODE-MARKUP (datum->syntax #f default-mode-markup)]
[MODE-MARKDOWN (datum->syntax #f default-mode-markdown)]
[SPLICING_TAG (datum->syntax #f (setup:splicing-tag))]
[DOC (format-id #f "~a" (setup:main-export))]
[DOC-RAW (generate-temporary 'pollen-)]); prevents conflicts with other imported Pollen sources
(replace-context #'(EXPR (... ...))
[(_ <expr> (... ...))
(let-values ([(meta-hash expr-without-metas) (split-metas (syntax->datum #'(<expr> (... ...))) (setup:define-meta-name))])
(with-syntax ([<meta-hash> meta-hash]
[(<expr-without-metas> (... ...)) expr-without-metas]
[<metas> (format-id #f "~a" (setup:meta-export))]
[<meta-mod> (format-symbol "~a" (setup:meta-export))]
[<root> (format-id #f "~a" (setup:main-root-node))]
[<newline> (datum->syntax #f (setup:newline))]
[<mode-pagetree> default-mode-pagetree]
[<mode-markup> default-mode-markup]
[<mode-markdown> default-mode-markdown]
[<splicing_tag> (setup:splicing-tag)]
[<doc> (format-id #f "~a" (setup:main-export))]
[<doc-raw> (generate-temporary 'pollen-)]); prevents conflicts with other imported Pollen sources
(replace-context #'(<expr> (... ...))
#'(#%module-begin
(module META-MOD racket/base
(provide METAS)
(define METAS META-HASH))
(module <meta-mod> racket/base
(provide <metas>)
(define <metas> <meta-hash>))
(module inner pollen/private/doclang-raw
DOC-RAW ; positional arg for doclang-raw that sets name of export.
<doc-raw> ; positional arg for doclang-raw that sets name of export.
(require pollen/top pollen/setup pollen/core)
(require (submod ".." META-MOD))
(provide (all-defined-out) #%top (all-from-out (submod ".." META-MOD) pollen/core))
EXPR-WITHOUT-METAS (... ...))
(require (submod ".." <meta-mod>))
(provide (all-defined-out) #%top (all-from-out (submod ".." <meta-mod>) pollen/core))
<expr-without-metas> (... ...))
(require 'inner)
(define DOC
(define <doc>
(let* ([parser-mode-undefined? (procedure? inner:parser-mode)] ; if undefined, #%top makes it a procedure
[parser-mode (if parser-mode-undefined? PARSER-MODE-IN inner:parser-mode)]
[proc (cond
[(eq? parser-mode 'MODE-PAGETREE) decode-pagetree]
[(eq? parser-mode 'MODE-MARKUP) (λ(xs) (apply ROOT xs))] ; if `root` undefined, it becomes a default tag function
[(eq? parser-mode 'MODE-MARKDOWN)
(λ(xs) (apply ROOT (map strip-empty-attrs ((dynamic-require 'markdown 'parse-markdown) (apply string-append (map to-string xs))))))]
[parser-mode (if parser-mode-undefined? <parser-mode-in> inner:parser-mode)]
[proc (case parser-mode
[(<mode-pagetree>) decode-pagetree]
[(<mode-markup>) (λ(xs) (apply <root> xs))] ; if `root` undefined, it becomes a default tag function
[(<mode-markdown>)
(λ(xs) (apply <root> (map strip-empty-attrs ((dynamic-require 'markdown 'parse-markdown) (apply string-append (map to-string xs))))))]
[else (λ(xs) (apply string-append (map to-string xs)))])] ; string output for preprocessor
;; drop leading newlines, as they're often the result of `defines` and `requires`
[doc-elements (or (memf (λ(ln) (not (equal? ln NEWLINE))) DOC-RAW) null)]
[doc-elements-spliced (splice doc-elements 'SPLICING_TAG)])
[doc-elements (or (memf (λ(ln) (not (equal? ln <newline>))) <doc-raw>) null)]
[doc-elements-spliced (splice doc-elements '<splicing_tag>)])
(proc doc-elements-spliced)))
(provide DOC METAS (except-out (all-from-out 'inner) DOC-RAW #%top))))))]))
OUTER-EXPR ...))
(provide <doc> <metas> (except-out (all-from-out 'inner) <doc-raw> #%top))))))]))
<outer-expr> ...))

@ -1 +1 @@
1459539451
1459991298

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