485eb18d83
Quoted strings cannot start within another quoted string and end after that other string has ended. Therefore single-quoted and double-quoted strings should (as much as possible) be colorized by a single rule, so that overlapping colorations are avoided. (This also fixes a double typo in the PHP syntax (\. --> \\.) that has been there since the PHP syntax was added in 2008, commit 90ee8ee4.) This fixes https://savannah.gnu.org/bugs/?61387. Bug existed since each of these syntaxes was introduced, the oldest ones around 2006, a few others around 2015. The one that got it right was the Lua syntax from 2011.
40 строки
1.5 KiB
Plaintext
40 строки
1.5 KiB
Plaintext
## Syntax highlighting for Bourne shell scripts.
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syntax sh "(\.sh|(\.|/)(a|ba|c|da|k|mk|pdk|tc|z)sh(rc|_profile)?|/(etc/|\.)profile)$"
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header "^#!.*/((env[[:blank:]]+)?((a|ba|c|da|k|mk|pdk|tc|z)?sh)|busybox[[:blank:]]+sh|openrc-run|runscript)\>"
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header "-\*-.*shell-script.*-\*-"
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magic "(POSIX|Bourne-Again) shell script.*text"
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comment "#"
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linter dash -n
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# Function declarations.
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color brightgreen "^[A-Za-z0-9_-]+\(\)"
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# Keywords, symbols, and comparisons.
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color green "\<(break|case|continue|do|done|elif|else|esac|exit|fi|for|function|if|in|read|return|select|shift|then|time|until|while)\>"
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color green "\<(declare|eval|exec|export|let|local)\>"
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color green "[][{}():;|`$<>!=&\]"
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color green "-(eq|ne|gt|lt|ge|le|ef|ot|nt)\>"
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# Short and long options.
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color brightmagenta "[[:blank:]]-[A-Za-z]\>" "[[:blank:]]--[A-Za-z-]+\>"
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# Common commands.
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color brightblue "\<(awk|cat|cd|ch(grp|mod|own)|cp|cut|echo|env|grep|head|install|ln|make|mkdir|mv|popd|printf|pushd|rm|rmdir|sed|set|sort|tail|tar|touch|umask|unset)\>"
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color normal "[.-]tar\>"
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# Basic variable names (no braces).
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color brightred "\$[-0-9@*#?$!]" "\$[[:alpha:]_][[:alnum:]_]*"
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# More complicated variable names; handles braces and replacements and arrays.
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color brightred "\$\{[#!]?([-@*#?$!]|[0-9]+|[[:alpha:]_][[:alnum:]_]*)(\[([[:blank:]]*[[:alnum:]_]+[[:blank:]]*|@)\])?(([#%/]|:?[-=?+])[^}]*\}|\[|\})"
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# Comments.
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color cyan "(^|[[:blank:]])#.*"
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# Strings.
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color brightyellow ""(\\.|[^"])*"|'(\\.|[^'])*'"
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# Trailing whitespace.
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color ,green "[[:space:]]+$"
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