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nano/syntax/ruby.nanorc
Hussam al-Homsi ef6ccc47c8 syntax: perl, ruby: remove arbitrary highlighting of here documents
The rules assume that 'STOP' (for Perl) or EOT (for Ruby) is the
terminating string while it could be anything.  Also, the rules
don't take quotes nor backticks nor a tilde into account.

In short: these coloring rules are far too limited.

References:
  https://perldoc.perl.org/perlop#%3C%3CEOF
  https://docs.ruby-lang.org/en/3.0.0/doc/syntax/literals_rdoc.html#label-Here+Documents+-28heredocs-29

Signed-off-by: Hussam al-Homsi <sawuare@gmail.com>
2021-08-09 09:56:50 +02:00

36 строки
1.4 KiB
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## Syntax highlighting for Ruby.
syntax ruby "\.rb$"
header "^#!.*ruby"
magic "Ruby script"
comment "#"
linter ruby -w -c
# Constants.
color brightblue "\<[A-Z]+[0-9A-Z_a-z]*|(\$|@|@@)[0-9A-Z_a-z]+"
# Reserved words.
color yellow "\<(BEGIN|END|alias|and|begin|break|case|class|def|defined\?|do|else|elsif|end|ensure|false|for|if|in|module)\>"
color yellow "\<(next|nil|not|or|redo|rescue|retry|return|self|super|then|true|undef|unless|until|when|while|yield)\>"
# Ruby "symbols".
color magenta "([ ]|^):[0-9A-Za-z_]+\>"
# Some unique things we want to stand out.
color brightyellow "\<(__FILE__|__LINE__)\>"
# Regular expressions.
color brightmagenta "/([^/]|(\\/))*/[iomx]*" "%r\{([^}]|(\\}))*\}[iomx]*"
# Shell command expansion is in `backticks` or like %x{this}. These are
# "double-quotish" (to use a perlism).
color brightblue "`[^`]*`" "%x\{[^}]*\}"
# Strings, double-quoted.
color green ""([^"]|(\\"))*"" "%[QW]?\{[^}]*\}" "%[QW]?\([^)]*\)" "%[QW]?<[^>]*>" "%[QW]?\[[^]]*\]" "%[QW]?\$[^$]*\$" "%[QW]?\^[^^]*\^" "%[QW]?![^!]*!"
# Expression substitution. These go inside double-quoted strings,
# "like #{this}".
color brightgreen "#\{[^}]*\}"
# Strings, single-quoted.
color green "'([^']|(\\'))*'" "%[qw]\{[^}]*\}" "%[qw]\([^)]*\)" "%[qw]<[^>]*>" "%[qw]\[[^]]*\]" "%[qw]\$[^$]*\$" "%[qw]\^[^^]*\^" "%[qw]![^!]*!"
# Comments.
color cyan "#[^{].*" "#$"
color brightcyan "##[^{].*" "##$"
# Some common markers.
color brightcyan "XXX|TODO|FIXME|\?\?\?"