doc: Generate cross-references in code snippets to the Guile manual.
Occurrences of 'list', 'cons', etc. in code snippets now link to the relevant section of the Guile manual. * doc/build.scm (guile-manual, %guile-manual-base-url) (guile-mono-node-indexes, guile-split-node-indexes): New variables. (for-all-languages, merge-index-alists): New procedures. <top level>: Rename 'mono-node-indexes' and 'split-node-indexes' to 'guix-mono-node-indexes' and 'guix-split-node-indexes' respectively. Add 'mono-node-indexes' and 'split-node-indexes' defined as calls to 'merge-index-alists'.
This commit is contained in:
Ludovic Courtès
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doc/build.scm
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doc/build.scm
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@ -33,6 +33,7 @@
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(guix utils)
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(git)
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(gnu packages base)
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(gnu packages compression)
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(gnu packages gawk)
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(gnu packages gettext)
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(gnu packages guile)
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@ -41,6 +42,7 @@
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(gnu packages texinfo)
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(gnu packages tex)
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(ice-9 match)
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(srfi srfi-1)
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(srfi srfi-19)
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(srfi srfi-26)
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(srfi srfi-71))
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@ -1064,6 +1066,85 @@ commit date (an integer)."
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;; TODO: Use (git describe) when it's widely available.
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(values (oid->string oid) (commit-time commit))))
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;;;
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;;; Guile manual.
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;;;
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(define guile-manual
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;; The Guile manual as HTML, including both the mono-node "guile.html" and
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;; the split-node "html_node" directory.
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(let ((guile guile-3.0-latest))
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(computed-file (string-append "guile-manual-" (package-version guile))
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(with-imported-modules '((guix build utils))
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#~(begin
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(use-modules (guix build utils)
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(ice-9 match))
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(setenv "PATH"
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(string-append #+tar "/bin:"
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#+xz "/bin:"
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#+texinfo "/bin"))
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(invoke "tar" "xf" #$(package-source guile))
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(mkdir-p (string-append #$output "/en/html_node"))
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(let* ((texi (find-files "." "^guile\\.texi$"))
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(documentation (match texi
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((file) (dirname file)))))
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(with-directory-excursion documentation
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(invoke "makeinfo" "--html" "--no-split"
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"-o" (string-append #$output
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"/en/guile.html")
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"guile.texi")
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(invoke "makeinfo" "--html" "-o" "split"
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"guile.texi")
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(copy-recursively
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"split"
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(string-append #$output "/en/html_node")))))))))
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(define %guile-manual-base-url
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"https://www.gnu.org/software/guile/manual")
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(define (for-all-languages index)
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(map (lambda (language)
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(list language index))
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%languages))
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(define guile-mono-node-indexes
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;; The Guile manual is only available in English so use the same index in
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;; all languages.
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(for-all-languages
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(html-manual-identifier-index (file-append guile-manual "/en")
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%guile-manual-base-url
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#:name "guile-html-index-en")))
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(define guile-split-node-indexes
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(for-all-languages
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(html-manual-identifier-index (file-append guile-manual "/en/html_node")
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(string-append %guile-manual-base-url
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"/html_node")
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#:name "guile-html-index-en")))
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(define (merge-index-alists alist1 alist2)
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"Merge ALIST1 and ALIST2, both of which are list of tuples like:
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(LANGUAGE INDEX1 INDEX2 ...)
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where LANGUAGE is a string like \"en\" and INDEX1 etc. are indexes as returned
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by 'html-identifier-indexes'."
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(let ((languages (delete-duplicates
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(append (match alist1
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(((languages . _) ...)
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languages))
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(match alist2
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(((languages . _) ...)
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languages))))))
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(map (lambda (language)
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(cons language
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(append (or (assoc-ref alist1 language) '())
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(or (assoc-ref alist2 language) '()))))
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languages)))
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(let* ((root (canonicalize-path
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(string-append (current-source-directory) "/..")))
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@ -1084,24 +1165,32 @@ commit date (an integer)."
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#:version version
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#:date date))
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(define mono-node-indexes
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(define guix-mono-node-indexes
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;; Alist of indexes for GUIX-MANUAL, where each key is a language code and
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;; each value is a file-like object containing the identifier index.
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(html-identifier-indexes guix-manual ""
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#:manual-name "guix"
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#:base-url (if (string=? %manual "guix")
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(const "")
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(cut string-append "/manual/" <>))
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#:languages %languages))
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(define split-node-indexes
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(define guix-split-node-indexes
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;; Likewise for the split-node variant of GUIX-MANUAL.
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(html-identifier-indexes guix-manual "/html_node"
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#:manual-name "guix"
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#:base-url (if (string=? %manual "guix")
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(const "")
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(cut string-append "/manual/" <>
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"/html_node"))
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#:languages %languages))
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(define mono-node-indexes
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(merge-index-alists guix-mono-node-indexes guile-mono-node-indexes))
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(define split-node-indexes
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(merge-index-alists guix-split-node-indexes guile-split-node-indexes))
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(format (current-error-port)
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"building manual from work tree around commit ~a, ~a~%"
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commit
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@ -1110,9 +1199,10 @@ commit date (an integer)."
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(date->string date "~e ~B ~Y")))
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(pdf+html-manual source
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;; Always use the identifier index of GUIX-MANUAL. That
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;; way, "guix-cookbook" can contain link to definitions
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;; that appear in GUIX-MANUAL.
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;; Always use the identifier indexes of GUIX-MANUAL and
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;; GUILE-MANUAL. Both "guix" and "guix-cookbook" can
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;; contain links to definitions that appear in either of
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;; these two manuals.
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#:mono-node-indexes mono-node-indexes
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#:split-node-indexes split-node-indexes
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#:version version
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