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improve syntax highlighting

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Guest0x0 2020-02-14 07:33:47 +08:00
parent ddb5d47584
commit ab091bcf69
1 changed files with 25 additions and 1 deletions
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26
rc/filetype/ocaml.kak
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@ -29,10 +29,33 @@ provide-module ocaml %{
add-highlighter shared/ocaml regions
add-highlighter shared/ocaml/code default-region group
add-highlighter shared/ocaml/string region (?<!')" (?<!\\)(\\\\)*" fill string
add-highlighter shared/ocaml/comment region \Q(* \Q*) fill comment
add-highlighter shared/ocaml/comment region -recurse \Q(* \Q(* \Q*) fill comment
add-highlighter shared/ocaml/code/char regex %{\B'([^'\\]|(\\[\\"'nrtb])|(\\\d{3})|(\\x[a-fA-F0-9]{2})|(\\o[0-7]{3}))'\B} 0:value
# integer literals
add-highlighter shared/ocaml/code/ regex \b[0-9][0-9_]*([lLn]?)\b 0:value
add-highlighter shared/ocaml/code/ regex \b0[xX][A-Fa-f0-9][A-Fa-f0-9_]*([lLn]?)\b 0:value
add-highlighter shared/ocaml/code/ regex \b0[oO][0-7][0-7_]*([lLn]?)\b 0:value
add-highlighter shared/ocaml/code/ regex \b0[bB][01][01_]*([lLn]?)\b 0:value
# float literals
add-highlighter shared/ocaml/code/ regex \b[0-9][0-9_]*(\.[0-9_]*)?([eE][+-]?[0-9][0-9_]*)? 0:value
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
# constructors. must be put before any module name highlighter, as a fallback for capitalized identifiers
add-highlighter shared/ocaml/code/ regex \b[A-Z][a-zA-Z0-9_]*\b 0:value
# the module name in a module path, e.g. 'M' in 'M.x'
add-highlighter shared/ocaml/code/ regex (\b[A-Z][a-zA-Z0-9_]*[\h\n]*)(?=\.) 0:module
# (simple) module declarations
add-highlighter shared/ocaml/code/ regex (?<=module)([\h\n]+[A-Z][a-zA-Z0-9_]*) 0:module
# (simple) signature declarations. 'type' is also highlighted, due to the lack of quantifiers in lookarounds.
# Hence we must put keyword highlighters after this to recover proper highlight for 'type'
add-highlighter shared/ocaml/code/ regex (?<=module)([\h\n]+type[\h\n]+[A-Z][a-zA-Z0-9_]*) 0:module
# (simple) open statements
add-highlighter shared/ocaml/code/ regex (?<=open)([\h\n]+[A-Z][a-zA-Z0-9_]*) 0:module
# operators
add-highlighter shared/ocaml/code/ regex [@!$%%^&*\-+=|<>/?]+ 0:operator
# Macro
# ‾‾‾‾‾
@ -44,6 +67,7 @@ evaluate-commands %sh{
printf %s\\n "declare-option str-list ocaml_static_words ${keywords}" | tr '|' ' '
# must be put at last, since we have highlighted some keywords ('type' in 'module type') to other things
printf %s "
add-highlighter shared/ocaml/code/ regex \b(${keywords})\b 0:keyword
"