mirror of
https://github.com/fish-shell/fish-shell
synced 2024-09-22 07:21:55 +00:00
b88e31b3f1
This fixes all but one of the warnings documented in issue #2685. The sole remaining warning is from the string split '' abc example in doc_src/string.txt. That example results in the man page displaying string split {} abc I leave it to someone else to fix that problem (I'll open an issue specifically for it since it took some effort to track down the source of the warning). Resolves issue #2685.
629 lines
14 KiB
Text
629 lines
14 KiB
Text
#! @sed@ -f
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#.
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# A Doxygen filter for building Fish's lexicon, for documentation bling.
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#.
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# Written specially for Fish, the shell for the 90's, in sed, the state of the
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# art text processor from the 70's. Who's sed? sed's dead, baby, sed's dead.*
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# by Mark Griffiths <mark@thebespokepixel.com> *but quite portable
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#.
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# Finds /fish../endfish blocks in documentation source files and enhances
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# markup. Requires that the four character word 'classes' declared here are
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# added to Doxyfiles as aliases i.e.:
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#.
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# Enhance for HTML Help pages (Doxyfile.user)…
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# ALIASES = "fish=\htmlonly[block] \n<pre class=\"fish\">"
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# ALIASES += "fish{1}=\htmlonly[block] \n<pre class=\"fish \1\">"
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# ALIASES += "endfish=</pre>\endhtmlonly \n"
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#.
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# ALIASES += "blah{1}=<span class=\"comment\">\1</span>"
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# ALIASES += "bltn{1}=<span class=\"command\">\1</span>" and so on...
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#.
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# And simplify for man pages (Doxyfile.help)…
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# ALIASES = "fish=<pre>"
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# ALIASES += "fish{1}=<pre>"
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# ALIASES += "endfish=</pre>"
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#.
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# ALIASES += "blah{1}=\1"
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# ALIASES += "bltn{1}=<em>\1</em>"...
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#.
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# It's meant to only ever be run once, during make, as Doxygen's 'INPUT
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# FILTER', though can be run interactively by passing a file in via stdin. It
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# wont respond to arguments.
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#.
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# It's most easily tested by passing test strings into the compiled script:
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#.
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# echo "/fish Line to test" | ./fish_lexicon_filter
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#.
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# The, at times, archiac looking regex is down to ensuring portable sed BREs
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#.
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# This code is licensed with fish under the GPL 2.0.
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#.
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# Pattern flow control for scanning doc.h
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/\\fish/,/\\endfish/ {
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# Open \fish block, firstly it it's on it's own line
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/^\\fish$/b
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/^\\fish{[^}]*}$/b
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# Then if it's inline. Remove and process immediately...
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/^\\fish.*$/ {
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# Catch @ symbol
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s/@/(at)/
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s/^\\fish//
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s/\\endfish//
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b html
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}
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# Output blank lines
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/^$/b
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# Inside \fish block. Process...
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/\\endfish/!{
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# Catch @ symbol
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s/@/((d))/
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# Preprocess HTML and HTML-like formatting
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/<[^>]*>/ {
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b html
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}
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# Process the rest
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b process
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}
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# End block
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/\\endfish/b
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}
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#.
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# This is not the pattern we're looking for
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b
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#.
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# Process any HTML tags.
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# Structured to reduce sed's greediness.
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:html
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# Spans
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s|<span style=['"]\([^'"][^'"]*\)">|@span{\1,|
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s|<span class=['"]\([^'"][^'"]*\)">|@spcl{\1,|
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s|</span>|}|
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#.
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# Bold
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s|<b>|@bold{|
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s|<b [^>]*>|@bold{|
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s|</b>|}|
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#.
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# Strong (synonimous with emphasis)
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s|<strong>|@bold{|
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s|<strong [^>]*>|@bold{|
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s|</strong>|}|
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#.
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# EMPHasis
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s|<em>|@emph{|
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s|<em [^>]*>|@emph{|
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s|</em>|}|
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#.
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# Italic (synonimous with emphasis)
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s|<i>|@emph{|
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s|<i [^>]*>|@emph{|
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s|</i>|}|
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#.
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# UNDeRline
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s|<u>|@undr{|
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s|<u [^>]*>|@undr{|
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s|</u>|}|
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t html
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#.
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# Some handy non-standard extensions
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# autoSuGgeSTion
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s|<s>|@sgst{|
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s|<s [^>]*>|@sgst{|
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s|</s>|}|
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#.
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# MaTCH
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s|<m>|@mtch{|
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s|<m [^>]*>|@mtch{|
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s|</m>|}|
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#.
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# SearchMaTCh
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s|<sm>|@smtc{|
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s|<sm [^>]*>|@smtc{|
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s|</sm>|}|
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#.
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# ERrOR
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s|<error>|@eror{|
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s|<error [^>]*>|@eror{|
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s|</error>|}|
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#.
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# AsIs - protect from auto-formatting
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s|<asis>|@asis{|
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s|</asis>|}|
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#.
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# OUTPut - protect from auto-formatting
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s|<outp>|@outp{|
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s|</outp>|}|
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t html
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#.
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# Clean other unhandled html
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s|<\([A-Za-z][A-Za-z]*\)[^>]*>\([^<]*\)</\1>|\2|
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t html
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#.
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# Start processing entities
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:process
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# Output:
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# Line marked as output pass through
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/@outp/ {
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b
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}
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# Comments:
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# Capture full line comments
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/^\( *\)#\(.*\)$/ {
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# Assume any line starting with a # is complete
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s//\1@blah{\2}/
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t
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}
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# Match sub-line comments
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/#[0-9a-fA-F][0-9a-fA-F][0-9a-fA-F]/ ! {
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s/#\(.*$\)/\\\
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<@blah{#\1}\
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/
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}
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#.
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# Protected entities These shouldn't allow nested structure, so we move them
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# to a marked, new line for a future extract/process/insert action.
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#.
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# AsIs block - resists formatting.
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s/@asis{\(.*\)}/\\\
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<@asis{\1}\
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/g
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#.
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# Manual <span>
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s/@span{\(.*\)}/\\\
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<@span{\1}\
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/g
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#.
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# String Literals
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s/"\([^"]*\)"/\\\
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<@dblq{\1}\
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/g
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s/'\([^']*\)'/\\\
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<@sglq{\1}\
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/g
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#.
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# AutoSuggestions.
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s/@sgst{\([^}]*\)}/\\\
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<@sgst{\1}\
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/
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#.
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# Command/Function options
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# Short options
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s/\([[( ]\)-\([A-Za-z][A-Za-z]*\)\([^A-Za-z}]\)/\1\\\
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<@opts{-\2}\
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\3/g
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#.
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# Long options
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s/\([[( ]\)--\([A-Za-z][A-Za-z0-9=_-]*\)\([^A-Za-z0-9=_-]*\)/\1\\\
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<@opts{--\2}\
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\3/g
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#.
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# Prompt
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s/~>_/\\\
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<@prmt{\
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<@path{~}\
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}/
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s/^>_/@prmt/
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#.
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# Cursor
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#.
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s/___$/@curs/
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s/___\(.\)/\\\
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<@curs{\1}\
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/
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#.
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# Escaped Options
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s/ \\\([A-Za-z0-9][A-Za-z0-9]*\) / @bksl{\1} /g
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#.
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# Trailing Backslash
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s/ \\$/ @bksl{ }/
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#.
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# Paths
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/\n<@dblq[^}]*[~/]/b protect
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/\n<@sglq[^}]*[~/]/b protect
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/\n<@span[^}]*[~/]/b protect
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#.
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# Normal Directory
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s|mkdir |mkdir :|
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s|\([~/:][/]*[.A-Za-z_0-9/-]*\)\\ |\1=|g
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s| \([~/][/]*[.A-Za-z_0-9/=-]*\)| \\\
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<@path{\1}\
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|g
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s| \(:[/]*[.A-Za-z_0-9/=-]*\)| \\\
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<@path{\1}\
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|g
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t protect
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#.
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# Dot Relative Directory (no spaces in path)
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s| \(./[A-Za-z_0-9/-]*\)| \\\
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<@path{\1}\
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|g
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b protect
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#.
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# Tidy up. Merge back 'pure' entities from hold space.
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:tidy
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#.
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# Convert loose text to arguments
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s/ \([a-zA-Z0-9+%*.-][{},a-zA-Z0-9%*._/?!=-]*\)/ @args{\1}/g
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#.
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# Or when tight to a newline
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s|\n\([a-zA-Z0-9+%*.-][{},a-zA-Z0-9%*._/?!-]*\)|\
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@args{\1}|g
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#.
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# Or when tight to the beginning
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s|^\([a-zA-Z][{},a-zA-Z0-9%*._/?!-]*\)|@args{\1}|g
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#.
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# Pick up loose text after markup.
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s/\([})]\)\([a-zA-Z0-9+%*.,][,a-zA-Z0-9%*._/?!-]*\);/\1@args{\2};/g
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s/\([})]\)\([a-zA-Z0-9+%*.,][,a-zA-Z0-9%*._/?!-]*\)$/\1@args{\2}/g
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#.
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# Uncomment the following 2 lines (ss) to log the pattern buffer.
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s/^.*$/Pattern : &/w lexicon.log
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s/^Pattern : //
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#.
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# Uncomment the following 4 lines (xssx) to log the hold buffer.
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x
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s/^.*$/HoldBufr: &/w lexicon.log
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s/^HoldBufr: //
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x
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#.
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# Tack the hold space to the end of the pattern buffer.
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G
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#.
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# Uncomment the folowing two lines (ss) to log the buffer join.
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s/^.*$/Joined : &/w lexicon.log
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s/^Joined : //
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#.
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# Iterate over alternate lines, matching '<' to '\'
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:join
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s,\([^\\ ]*\)\\\n\([^<]*\)<\(@[^}]*[}\\]\),\1\3\2,
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t join
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# Clean up stray new lines
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s/\n//g
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#.
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# Uncomment the folowing two lines (ss) to log the buffer before 'cleaning'.
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s/^.*$/PreClean: &/w lexicon.log
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s/^PreClean: //
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# Clean up special cases
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#.
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/@blah/{
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s/\(blah{[^@]*\)@sglq{\([^}]*\)}/\1'\2'/
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s/\(blah{[^@]*\)@dblq{\([^}]*\)}/\1"\2"/
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s/\(blah{[^@]*\)@....{\([^}]*\)}/\1\2/
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}
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/@dblq/{
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:cleandblq
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s/\(dblq{[^@}<]*\)[<]*@...[^q]{\([^}]*\)}/\1\2/
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t cleandblq
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}
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/@sglq/{
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:cleansglq
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s/\(sglq{[^@}<]*\)[<]*@...[^q]{\([^}]*\)}/\1\2/
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t cleansglq
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}
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/@vars/{
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:cleanvars
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s/\(vars{@optr{$}[^@}]*\)@bltn{\([^}]*\)}/\1\2/
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s/\(vars{@optr{$}[^@}]*\)@func{\([^}]*\)}/\1\2/
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s/\(vars{@optr{$}[^@}]*\)@cmnd{\([^}]*\)}/\1\2/
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s/\(vars{@optr{$}[^@}]*\)@args{\([^}]*\)}/\1\2/
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t cleanvars
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}
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/@redr/{
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:cleanredr
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s/\(redr{[^@}]*\)@bltn{\([^}]*\)}/\1\2/
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s/\(redr{[^@}]*\)@func{\([^}]*\)}/\1\2/
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s/\(redr{[^@}]*\)@cmnd{\([^}]*\)}/\1\2/
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s/\(redr{[^@}]*\)@fsfo{\([^}]*\)}/\1\2/
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s/\(redr{[^}]*\)}\( *\)@path{\([^}]*\)/\1\2\3/
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t cleanredr
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}
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/@sgst/{
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s/@sgst{<@/@sgst{@/
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:cleansgst
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s/\(sgst{@curs{.}[^@]*\)@bltn{\([^}]*\)}/\1\2/
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s/\(sgst{@curs{.}[^@]*\)@func{\([^}]*\)}/\1\2/
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s/\(sgst{@curs{.}[^@]*\)@cmnd{\([^}]*\)}/\1\2/
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s/\(sgst{@curs{.}[^@]*\)@opts{\([^}]*\)}/\1\2/
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s/\(sgst{@curs{.}[^@]*\)@path{\([^}]*\)}/\1\2/
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s/\(sgst{@curs{.}[^@]*\)@args{\([^}]*\)}/\1\2/
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s/\(sgst{@curs{.}[^@]*\)@fsfo{\([^}]*\)}/\1\2/
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t cleansgst
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}
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/@fsfo/{
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:cleanfsfo
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s/\(fsfo{[^@}]*\)@bltn{\([^}]*\)}/\1\2/
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s/\(fsfo{[^@}]*\)@func{\([^}]*\)}/\1\2/
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s/\(fsfo{[^@}]*\)@cmnd{\([^}]*\)}/\1\2/
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t cleanfsfo
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}
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/@prmt{/{
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s/@prmt{<@path/@prmt{@path/
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}
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#.
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# Restore Paths
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/@fsfo/ {
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s/\(@fsfo{[^=]*\)=/\1 /
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}
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/@path/ {
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:cleanpath
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s/\(@path{[^:]*\):/\1/
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s/\(@path{[^=]*\)=/\1\\ /
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t cleanpath
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s/@path{}//
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}
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#.
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# Finally, restructure to follow Fish's command [arguments] semantics.
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# Find the initial command, and change any others to arguments, up to a |, ( or ;
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# Assumes that a valid line will start with either a builtin, a function or a binary.
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#.
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# 'if' and 'for' seem to be special cases
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#.
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# Uncomment the folowing two lines (ss) to log the buffer before semantic conversion.
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s/^.*$/PreArgs : &/w lexicon.log
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s/^PreArgs : //
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#.
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# Find initial commands/functions/binaries
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#.
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# Store prmt, if present
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#.
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/@prmt/ {
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h
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s/^\(@prmt *\).*$/\1/
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x
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s/^@prmt *//
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}
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#.
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# Special case for optional commands
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s/@args{\[@bltn/@args{[@xbln/g
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# Special case for one-line 'if' statements
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/@bltn{if}/ {
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s//@xbln{if}/
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s/@bltn{set}/@xbln{set}/
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s/@bltn{not}/@xbln{not}/
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s/@bltn{else}/@xbln{else}/
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s/@bltn{contains}/@xbln{contains}/
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s/@bltn{test}/@xbln{test}/
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s/@bltn{end}/@xbln{end}/
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s/@cmnd{grep}/@xcmd{grep}/
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}
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# one-line 'for' statements
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/@bltn{for}/ {
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s//@xbln{for}/
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s/@args{in}/@xbln{in}/
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}
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# one-line 'begin' statements
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/@bltn{begin}/ {
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s//@xbln{begin}/
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s/@bltn{end}/@xbln{end}/
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}
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# one-line 'break' statements
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/@bltn{break}/ {
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s//@xbln{break}/
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s/@bltn{end}/@xbln{end}/
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}
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# one-line 'continue' statements
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/@bltn{continue}/ {
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s//@xbln{continue}/
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s/@bltn{end}/@xbln{end}/
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}
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# one-line 'switch' statements
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/@bltn{switch}/ {
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s//@xbln{switch}/
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s/@bltn{case}/@xbln{case}/
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s/@bltn{end}/@xbln{end}/
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}
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# one-line 'function' statements
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/@bltn{function}/ {
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s//@xbln{function}/
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s/@bltn{return}/@xbln{return}/
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s/@bltn{end}/@xbln{end}/
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}
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# one-line 'bind' statements - special input functions
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/@bltn{bind}/ {
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s//@xbln{bind}/
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s/@....{\([a-z]*\)}\(-[a-z-]*\)/@args{\1\2}/
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}
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# one-line 'builtin' statements
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s/@bltn{builtin} @bltn/@xbln{builtin} @xbln/g
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s/@bltn{builtin} @cmnd/@xbln{builtin} @xcmd/g
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s/@bltn{builtin} @func/@xbln{builtin} @xfnc/g
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#.
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# one-line 'command' statements
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s/@bltn{command} @bltn/@xbln{command} @xbln/g
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s/@bltn{command} @cmnd/@xbln{command} @xcmd/g
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s/@bltn{command} @func/@xbln{command} @xfnc/g
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#.
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# one-line 'and/or' statements
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s/@bltn{and} @bltn/@xbln{and} @xbln/g
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s/@bltn{and} @cmnd/@xbln{and} @xcmd/g
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s/@bltn{and} @func/@xbln{and} @xfnc/g
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s/@bltn{or} @bltn/@xbln{or} @xbln/g
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s/@bltn{or} @cmnd/@xbln{or} @xcmd/g
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s/@bltn{or} @func/@xbln{or} @xfnc/g
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#.
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s/^\( *\)@cmnd/\1@xcmd/
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s/\( *[;()] *\)@cmnd/\1@xcmd/g
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s/\( *@redr{|} *\)@cmnd/\1@xcmd/g
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s/^\( *\)@bltn/\1@xbln/
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s/\( *[;()] *\)@bltn/\1@xbln/g
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s/\( *@redr{|} *\)@bltn/\1@xbln/g
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s/^\( *\)@func/\1@xfnc/
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s/\( *[;()] *\)@func/\1@xfnc/g
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s/\( *@redr{|} *\)@func/\1@xfnc/g
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s/ @bksl{\([^}]*\)} / @args{@bksl{\1}} /g
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s/ @bksl{@bltn{\([^}]*\)}/ @args{@bksl{\1}/g
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s/ @bksl{@func{\([^}]*\)}/ @args{@bksl{\1}/g
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s/ @bksl{@cmnd{\([^}]*\)}/ @args{@bksl{\1}/g
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s/@bltn/@args/g
|
|
s/@func/@args/g
|
|
s/@cmnd/@args/g
|
|
#.
|
|
s/^.*$/PostArgs: &/w lexicon.log
|
|
s/^PostArgs: //
|
|
#.
|
|
s/xbln/bltn/g
|
|
s/xfnc/func/g
|
|
s/xcmd/cmnd/g
|
|
x
|
|
/^@prmt/ {
|
|
G
|
|
s/^@prmt \n/@prmt /
|
|
}
|
|
/^@prmt/ ! {
|
|
x
|
|
}
|
|
#.
|
|
# Mark up sesitive character entities.
|
|
#.
|
|
# We comment out this target because it isn't referenced and if we don't we
|
|
# get warnings about "unused label 'entities'".
|
|
#:entities
|
|
s/</\</g
|
|
s/>/\>/g
|
|
s/((d))/@/g
|
|
#.
|
|
# Final post processing
|
|
s/};\([^]]\)/}@redr{;}\1/g
|
|
s/};$/}@redr{;}/
|
|
s/ \[\([@(]\)/ @args{[}\1/g
|
|
s/ \[\([A-Z]*\) / @args{[\1} /g
|
|
s/@args{\([a-zA-Z0-9_.]*\)}\]/@args{\1]}/g
|
|
s/@args{\([a-zA-Z0-9_.]*\)}: /@args{\1:} /g
|
|
s/@bltn{echo} @fsfo/@bltn{echo} @args/g
|
|
s/@bltn{echo}\([a-zA-Z0-9.@{} _-]*\)@fsfo/@bltn{echo}\1@args/g
|
|
s/ \] / @args{]} /g
|
|
s/ \]$/ @args{]}/g
|
|
s/\]}\]$/]]}/
|
|
s/\\\([()]\)/@optr{@bksl{\1}}/g
|
|
s/\([()]\)/@optr{\1}/g
|
|
s/\\n/@bksl{n}/
|
|
s/ \\$//
|
|
#.
|
|
# Uncomment the folowing two lines (ss) to log the final output, sent to Doxygen.
|
|
s/^.*$/Output : &\
|
|
\
|
|
/w lexicon.log
|
|
s/^Output : //
|
|
s/\n\n$//
|
|
#.
|
|
# Lines are reassembled, so branch to end
|
|
b
|
|
# === Main End ===
|
|
#.
|
|
#.
|
|
# === Subroutines ===
|
|
# Branched to when content requires.
|
|
#.
|
|
# Move protected content to hold space and mark up other entities.
|
|
:protect
|
|
s/^.*$/Input : &/w lexicon.log
|
|
s/^Input : //
|
|
h
|
|
# Clear out any content that has already been marked up, to prevent futher
|
|
# markup on words that should be left alone.
|
|
#.
|
|
:patternflush
|
|
s/\n<@[^}]*[}\\]//
|
|
s/\\ [^\\]*$/\\/
|
|
t patternflush
|
|
s/\n$//g
|
|
#.
|
|
# Swap the pattern and hold buffers and remove unmarked lines and extra
|
|
# characters. Basically the inverse of the 'patternflush' action, with
|
|
# additional trailing characters stripped.
|
|
x
|
|
/^<@[^}]*$/ ! {
|
|
s/[^\<]*//
|
|
s/^ *\\\n//g
|
|
s/\n *\\//g
|
|
s/[()] \\//g
|
|
s/^[^\<][^@][^\\]*//
|
|
s/\n[]|;) ][^\\]*\\//
|
|
s/\n[]|;) a-zA-Z0-9-][^\\]*$//
|
|
s/\n[]|;)}]\\//
|
|
s/\n[]|;)}]\n//
|
|
s/\n[]|;)}]$//
|
|
s/[()]$//
|
|
s/}@curs/}/
|
|
s/\n@curs$//
|
|
s/\n[^\<@][^\\]*\\//
|
|
s/\n[^\<@][^\\]*//
|
|
s/^\\//
|
|
s/\n$//g
|
|
}
|
|
s/\\\n/\
|
|
/
|
|
s/< \n//
|
|
s/^[a-z][a-z]* \n//
|
|
#.
|
|
# Swap the buffers back.
|
|
x
|
|
#.
|
|
# A special case. Tidy up after commands.
|
|
# Redirectors
|
|
s/\([^{|] *\)|/\1@redr{|}/g
|
|
s/&$/@redr{\&}/
|
|
s/\([^{&] *\)&[^a-z]/\1@redr{\&}/g
|
|
s/\([^{<>^] *\)\([0-9]* *[<>^][<>^]*[^@][a-zA-Z0-9./_-]*\)/\1@redr{\2}/g
|
|
s/\\}/}\\/g
|
|
#.
|
|
# Now we can add in 'unsafe' entities that would be too greedy.
|
|
# Arrays
|
|
s/[[][0-9$a-zA-Z_;. -]*]/@args{&}/g
|
|
#.
|
|
# Declared Variables
|
|
s/\($[$]*\)\([A-Za-z_0-9][A-Za-z_0-9]*\)/@vars{@optr{\1}\2}/g
|
|
#.
|
|
# Files
|
|
s/\([^@]\)\([A-Za-z0-9_-][A-Za-z0-9_-]*\.[a-z0-9*][a-z0-9*]*\)/\1@fsfo{\2}/g
|
|
#.
|
|
# We comment out this target because it isn't referenced and if we don't we
|
|
# get warnings about "unused label 'commands'".
|
|
#:commands
|
|
#.
|
|
#### This section is built in the Makefile. Just some formatting examples. #####
|
|
#.
|
|
# Fish builtin (bltn) <- 4 character code that has a Doxygen alias counterpart
|
|
# template : s/[[:<:]]function[[:>:]]/@bltn{&}/
|
|
#.
|
|
# s,[[:<:]]function[[:>:]],@bltn{function},g
|
|
# s,[[:<:]]begin[[:>:]],@bltn{begin},g
|
|
# ...
|
|
#.
|
|
# Fish functions (func)
|
|
# Populated by 'public' functions' filename.
|
|
#.
|
|
# s,[[:<:]]fish_pwd[[:>:]],@func{fish_pwd},g
|
|
# s,[[:<:]]fish_prompt[[:>:]],@func{fish_prompt},g
|
|
# ...
|
|
#.
|
|
# Shell Command (cmnd)
|
|
# Populated from completion filenames
|
|
#.
|
|
# s,[[:<:]]seq[[:>:]],@cmnd{seq},g
|
|
# s,[[:<:]]rm[[:>:]],@cmnd{rm},g
|
|
# ...
|
|
#.
|
|
# Color Variable (clrv)
|
|
# Populated from __fish_config_interactive.fish
|
|
# Allows fish's 'special' color variables to be identified
|
|
#.
|
|
# s,[[:<:]]fish_color_normal[[:>:]],@clrv{fish_color_normal},g
|
|
# s,[[:<:]]fish_color_command[[:>:]],@clrv{fish_color_command},g
|
|
#.
|
|
# Once all of the commands/functions/variables/special's have been marked up,
|
|
# branch back to tidy up and collapse the pattern/hold buffers back to a
|
|
# single line.
|
|
#.
|
|
# b tidy
|
|
#.
|
|
#.
|
|
# Below is a special section that adds vocabuarly to the lexicon during 'make'.
|
|
# As the lexicon is written into the output lexicon_filter, portability is
|
|
# automatically handled.
|
|
#.
|
|
#.!# cmnd whoami
|
|
#.!# cmnd mkdir
|
|
#.!# cmnd basename
|
|
#.!# bltn sleep
|
|
#.!# args in
|