mirror of
https://github.com/amix/vimrc
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119 lines
3.8 KiB
Text
119 lines
3.8 KiB
Text
RUBY *ruby.vim* *ft-ruby-syntax*
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*vim-ruby-syntax*
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Ruby: Operator highlighting |ruby_operators|
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Ruby: Whitespace errors |ruby_space_errors|
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Ruby: Syntax errors |ruby_syntax_errors|
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Ruby: Folding |ruby_fold| |ruby_foldable_groups|
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Ruby: Reducing expensive operations |ruby_no_expensive| |ruby_minlines|
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Ruby: Spellchecking strings |ruby_spellcheck_strings|
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*ruby_operators*
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Ruby: Operator highlighting ~
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Operators, and pseudo operators, can be highlighted by defining: >
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:let ruby_operators = 1
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:let ruby_pseudo_operators = 1
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<
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The supported pseudo operators are ., &., ::, *, **, &, <, << and ->.
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*ruby_space_errors*
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Ruby: Whitespace errors ~
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Whitespace errors can be highlighted by defining "ruby_space_errors": >
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:let ruby_space_errors = 1
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<
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This will highlight trailing whitespace and tabs preceded by a space character
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as errors. This can be refined by defining "ruby_no_trail_space_error" and
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"ruby_no_tab_space_error" which will ignore trailing whitespace and tabs after
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spaces respectively.
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*ruby_syntax_errors*
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Ruby: Syntax errors ~
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Redundant line continuations and predefined global variable look-alikes (such
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as $# and $-z) can be highlighted as errors by defining:
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>
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:let ruby_line_continuation_error = 1
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:let ruby_global_variable_error = 1
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<
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*ruby_fold*
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Ruby: Folding ~
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Folding can be enabled by defining "ruby_fold": >
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:let ruby_fold = 1
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<
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This will set the value of 'foldmethod' to "syntax" locally to the current
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buffer or window, which will enable syntax-based folding when editing Ruby
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filetypes.
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*ruby_foldable_groups*
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Default folding is rather detailed, i.e., small syntax units like "if", "do",
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"%w[]" may create corresponding fold levels.
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You can set "ruby_foldable_groups" to restrict which groups are foldable: >
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:let ruby_foldable_groups = 'if case %'
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<
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The value is a space-separated list of keywords:
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keyword meaning ~
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-------- ------------------------------------- ~
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ALL Most block syntax (default)
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NONE Nothing
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if "if" or "unless" block
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def "def" block
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class "class" block
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module "module" block
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do "do" block
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begin "begin" block
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case "case" block
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for "for", "while", "until" loops
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{ Curly bracket block or hash literal
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[ Array literal
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% Literal with "%" notation, e.g.: %w(STRING), %!STRING!
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/ Regexp
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string String and shell command output (surrounded by ', ", `)
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: Symbol
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# Multiline comment
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<< Here documents
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__END__ Source code after "__END__" directive
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NONE and ALL have priority, in that order, over all other folding groups.
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*ruby_no_expensive*
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Ruby: Reducing expensive operations ~
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By default, the "end" keyword is colorized according to the opening statement
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of the block it closes. While useful, this feature can be expensive; if you
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experience slow redrawing (or you are on a terminal with poor color support)
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you may want to turn it off by defining the "ruby_no_expensive" variable: >
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:let ruby_no_expensive = 1
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<
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In this case the same color will be used for all control keywords.
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*ruby_minlines*
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If you do want this feature enabled, but notice highlighting errors while
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scrolling backwards, which are fixed when redrawing with CTRL-L, try setting
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the "ruby_minlines" variable to a value larger than 50: >
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:let ruby_minlines = 100
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<
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Ideally, this value should be a number of lines large enough to embrace your
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largest class or module.
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*ruby_spellcheck_strings*
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Ruby: Spellchecking strings ~
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Ruby syntax will perform spellchecking of strings if you define
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"ruby_spellcheck_strings": >
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:let ruby_spellcheck_strings = 1
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<
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vim:tw=78:sw=4:ts=8:ft=help:norl:
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