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101425e289
C has header and source files and you need to often switch between them. Similarly OCaml has .ml (implementation) and .mli (interface files) and one often needs to switch between them. This commit provides a simple functionality that allows you to accomplish this.
100 lines
4.4 KiB
Plaintext
100 lines
4.4 KiB
Plaintext
# http://ocaml.org
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# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
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# Detection
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# ‾‾‾‾‾‾‾‾‾
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hook global BufCreate .*\.mli? %{
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set-option buffer filetype ocaml
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}
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# Initialization
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# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
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hook global WinSetOption filetype=ocaml %{
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require-module ocaml
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set-option window static_words %opt{ocaml_static_words}
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}
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hook -group ocaml-highlight global WinSetOption filetype=ocaml %{
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add-highlighter window/ocaml ref ocaml
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alias window alt ocaml-alternative-file
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hook -once -always window WinSetOption filetype=.* %{
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unalias window alt ocaml-alternative-file
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remove-highlighter window/ocaml
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}
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}
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provide-module ocaml %{
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# Highlighters
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# ‾‾‾‾‾‾‾‾‾‾‾‾
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add-highlighter shared/ocaml regions
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add-highlighter shared/ocaml/code default-region group
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add-highlighter shared/ocaml/string region (?<!')" (?<!\\)(\\\\)*" fill string
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add-highlighter shared/ocaml/quotedstring region -match-capture %"\{(\w*)\|" %"\|(\w*)\}" fill string
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add-highlighter shared/ocaml/comment region -recurse \Q(* \Q(* \Q*) fill comment
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add-highlighter shared/ocaml/code/char regex %{\B'([^'\\]|(\\[\\"'nrtb])|(\\\d{3})|(\\x[a-fA-F0-9]{2})|(\\o[0-7]{3}))'\B} 0:value
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# integer literals
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add-highlighter shared/ocaml/code/ regex \b[0-9][0-9_]*([lLn]?)\b 0:value
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add-highlighter shared/ocaml/code/ regex \b0[xX][A-Fa-f0-9][A-Fa-f0-9_]*([lLn]?)\b 0:value
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add-highlighter shared/ocaml/code/ regex \b0[oO][0-7][0-7_]*([lLn]?)\b 0:value
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add-highlighter shared/ocaml/code/ regex \b0[bB][01][01_]*([lLn]?)\b 0:value
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# float literals
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add-highlighter shared/ocaml/code/ regex \b[0-9][0-9_]*(\.[0-9_]*)?([eE][+-]?[0-9][0-9_]*)? 0:value
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add-highlighter shared/ocaml/code/ regex \b0[xX][A-Fa-f0-9][A-Fa-f0-9]*(\.[a-fA-F0-9_]*)?([pP][+-]?[0-9][0-9_]*)? 0:value
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# constructors. must be put before any module name highlighter, as a fallback for capitalized identifiers
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add-highlighter shared/ocaml/code/ regex \b[A-Z][a-zA-Z0-9_]*\b 0:value
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# the module name in a module path, e.g. 'M' in 'M.x'
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add-highlighter shared/ocaml/code/ regex (\b[A-Z][a-zA-Z0-9_]*[\h\n]*)(?=\.) 0:module
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# (simple) module declarations
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add-highlighter shared/ocaml/code/ regex (?<=module)([\h\n]+[A-Z][a-zA-Z0-9_]*) 0:module
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# (simple) signature declarations. 'type' is also highlighted, due to the lack of quantifiers in lookarounds.
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# Hence we must put keyword highlighters after this to recover proper highlight for 'type'
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add-highlighter shared/ocaml/code/ regex (?<=module)([\h\n]+type[\h\n]+[A-Z][a-zA-Z0-9_]*) 0:module
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# (simple) open statements
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add-highlighter shared/ocaml/code/ regex (?<=open)([\h\n]+[A-Z][a-zA-Z0-9_]*) 0:module
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# operators
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add-highlighter shared/ocaml/code/ regex [@!$%%^&*\-+=|<>/?]+ 0:operator
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# Macro
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# ‾‾‾‾‾
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evaluate-commands %sh{
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keywords="and|as|asr|assert|begin|class|constraint|do|done|downto|else|end|exception|external|false"
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keywords="${keywords}|for|fun|function|functor|if|in|include|inherit|initializer|land|lazy|let|lor"
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keywords="${keywords}|lsl|lsr|lxor|match|method|mod|module|mutable|new|nonrec|object|of|open|or"
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keywords="${keywords}|private|rec|sig|struct|then|to|true|try|type|val|virtual|when|while|with"
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printf %s\\n "declare-option str-list ocaml_static_words ${keywords}" | tr '|' ' '
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# must be put at last, since we have highlighted some keywords ('type' in 'module type') to other things
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printf %s "
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add-highlighter shared/ocaml/code/ regex \b(${keywords})\b 0:keyword
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"
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}
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# Conveniences
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# ‾‾‾‾‾‾‾‾‾‾‾‾
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# C has header and source files and you need to often switch between them.
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# Similarly OCaml has .ml (implementation) and .mli (interface files) and
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# one often needs to switch between them.
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#
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# This command provides a simple functionality that allows you to accomplish this.
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define-command ocaml-alternative-file -docstring 'Switch between .ml and .mli file or vice versa' %{
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evaluate-commands %sh{
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if [ "${kak_buffile##*.}" = 'ml' ]; then
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printf "edit -- '%s'" "$(printf %s "${kak_buffile}i" | sed "s/'/''/g")"
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elif [ "${kak_buffile##*.}" = 'mli' ]; then
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printf "edit -- '%s'" "$(printf %s "${kak_buffile%i}" | sed "s/'/''/g")"
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fi
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}
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}
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}
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