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Diffstat (limited to 'autoload/filetype/pony.kak')
| -rw-r--r-- | autoload/filetype/pony.kak | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/autoload/filetype/pony.kak b/autoload/filetype/pony.kak new file mode 100644 index 0000000..6a91688 --- /dev/null +++ b/autoload/filetype/pony.kak @@ -0,0 +1,155 @@ +# http://ponylang.org +# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾ + +# Detection +# ‾‾‾‾‾‾‾‾‾ + +hook global BufCreate .*[.](pony) %{ + set-option buffer filetype pony +} + +# Initialization +# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾ + +hook global WinSetOption filetype=pony %{ + require-module pony + + set-option window static_words %opt{pony_static_words} + + # cleanup trailing whitespaces on current line insert end + hook window ModeChange pop:insert:.* -group pony-trim-indent %{ try %{ execute-keys -draft <semicolon> x s ^\h+$ <ret> d } } + hook window InsertChar \n -group pony-indent pony-indent-on-new-line + hook window InsertChar \n -group pony-insert pony-insert-on-new-line + + set-option buffer extra_word_chars '_' "'" + + hook -once -always window WinSetOption filetype=.* %{ remove-hooks window pony-.+ } +} + +hook -group pony-highlight global WinSetOption filetype=pony %{ + add-highlighter window/pony ref pony + hook -once -always window WinSetOption filetype=.* %{ remove-highlighter pony } +} + +provide-module pony %§ + +# Highlighters & Completion +# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾ + +add-highlighter shared/pony regions +add-highlighter shared/pony/code default-region group + +add-highlighter shared/pony/comment region '/\*' '\*/' fill comment +add-highlighter shared/pony/line_comment region '//' '$' fill comment + +# String literals +add-highlighter shared/pony/string region -match-capture '("""|")' '(?<!\\)(?:\\\\)*("""|")' group +add-highlighter shared/pony/string/ fill string +add-highlighter shared/pony/string/ regex '(?:\\a|\\b|\\e|\\f|\\n|\\r|\\t||\\v|\\\\|\\''|\\0|\\x[0-9a-fA-F]{2}|\\u[0-9a-fA-F]{4}|\\u[0-9a-fA-F]{6})' 0:meta + +# Character literals +# negative lookbehind to account for variables with prime such as myvar' or myvar'' +add-highlighter shared/pony/character region "(?<![a-z0-9'])'" (?<!\\)(\\\\)*' group +add-highlighter shared/pony/character/ fill string +add-highlighter shared/pony/character/ regex '(?:\\a|\\b|\\e|\\f|\\n|\\r|\\t||\\v|\\\\|\\''|\\0|\\x[0-9a-fA-F]{2})' 0:meta + +# Operators +add-highlighter shared/pony/code/ regex '=|\+|-|\*|/|%|%%|<<|>>|==|!=|<|<=|>=|>|=>|;' 0:operator +add-highlighter shared/pony/code/ regex '(\+|-|\*|/|%|%%|<<|>>|==|!=|<|<=|>=|>)~' 0:operator +add-highlighter shared/pony/code/ regex '(\+|-|\*|/|%|%%)\?' 0:operator +add-highlighter shared/pony/code/ regex '^\h*|' 0:operator +add-highlighter shared/pony/code/ regex '\b_\b' 0:operator + +# Integer literals +add-highlighter shared/pony/code/ regex '\b[0-9](_?[0-9])*\b' 0:value +add-highlighter shared/pony/code/ regex '\b0x[0-9a-fA-F](_?[0-9a-fA-F])*\b' 0:value +add-highlighter shared/pony/code/ regex '\b0b[01](_?[01])*\b' 0:value + +# Float literals +add-highlighter shared/pony/code/ regex '\b[0-9]+\.[0-9]+(?:[eE][-+]?[0-9]+)?\b' 0:value +add-highlighter shared/pony/code/ regex '\b[0-9]+[eE][-+]?[0-9]+\b' 0:value + +# Type literals +add-highlighter shared/pony/code/ regex '\b_?[A-Z][A-Za-z0-9]*\b' 0:type + +# Literal words are highlighted below to also allow for autocompletion by appending +# them to static_words. +evaluate-commands %sh{ + # Grammar + values="true|false|this" + meta='use' + # Keyword list is collected using `keyword.kwlist` from `keyword` + keywords="as|break|match|continue|else|elseif|try|in|return|end|for|is" + keywords="${keywords}|recover|consume|error|do|then|if|while|where|with" + keywords="${keywords}|class|struct|object|actor|interface|trait|primitive" + keywords="${keywords}|type|var|let|embed|repeat|until|addressof" + func_decl="new|fun|be" + capabilities="iso|ref|box|tag|val|trn" + operators="and|or|xor|not" + builtin_types="String|None|Any|Array" + + # Add the language's grammar to the static completion list + static_words="${values} ${meta} ${keywords} ${types_decl} ${capabilities}" + static_words="${static_words} ${operators} ${builtin_types}" + printf %s\\n "declare-option str-list pony_static_words ${static_words}" | tr '|' ' ' + + # Highlight keywords + # The (?!') ensures that keywords with prime are highlighted as usual, for example try' + printf %s " + add-highlighter shared/pony/code/ regex \b(${values})\b(?!') 0:value + add-highlighter shared/pony/code/ regex \b(${operators})\b(?!') 0:operator + add-highlighter shared/pony/code/ regex \b(${meta})\b(?!') 0:meta + add-highlighter shared/pony/code/ regex \b(${func_decl})(\s+(${capabilities}))?(\s+\w+)[\[(] 1:keyword 3:attribute 4:function + add-highlighter shared/pony/code/ regex \b(${func_decl})\b(?!') 0:keyword + add-highlighter shared/pony/code/ regex \b(${keywords})\b(?!') 0:keyword + add-highlighter shared/pony/code/ regex \b(${capabilities})\b(?!')(!|\\^)? 1:attribute 2:attribute + " + + # Highlight types and attributes + printf %s " + add-highlighter shared/pony/code/ regex '@[\w_]+\b' 0:attribute + " +} + +# Commands +# ‾‾‾‾‾‾‾‾ + +define-command -hidden pony-insert-on-new-line %< + evaluate-commands -no-hooks -draft -itersel %< + # copy // comments prefix and following white spaces + try %{ execute-keys -draft k x s ^\h*\K//\h* <ret> y jgi P } + + # wisely add `end` keyword + evaluate-commands -save-regs x %< + try %{ execute-keys -draft k x s ^ \h + <ret> \" x y } catch %{ reg x '' } + try %< + evaluate-commands -draft %< + # Check if previous line opens a block + execute-keys -draft kx <a-k>^<c-r>x(try|match|recover|repeat|object|.+\bdo$|.+\bthen$)[^0-9A-Za-z_']<ret> + # Check that we didn't put an end on the previous line that closes the block + execute-keys -draft kx <a-K> \bend$<ret> + # Check that we do not already have an end for this indent level which is first set via `pony-indent-on-new-line` hook + execute-keys -draft }i J x <a-K> ^<c-r>x(end|else|elseif|until)[^0-9A-Za-z_']<ret> + > + execute-keys -draft o<c-r>xend<esc> # insert a new line with containing end + > + > + > +> + +define-command -hidden pony-indent-on-new-line %{ + evaluate-commands -no-hooks -draft -itersel %{ + # preserve previous line indent + try %{ execute-keys -draft , K <a-&> } + # cleanup trailing whitespaces from previous line + try %{ execute-keys -draft k x s \h+$ <ret> d } + # indent after line ending with: =>, do, try, then, else, =; or + # starting with: actor, class, struct, trait, interface, if, elseif, recover, repeat + # excluding: primitive, type -- because they are often written in a single line + try %{ execute-keys -draft , k x <a-k> (\b(?:do|try|then|else|recover|repeat)|=>|=)$ | ^\h*(actor|class|struct|trait|interface|object)\b <ret> j <a-gt> } + # else, end are always de-indented + try %{ execute-keys -draft , k x <a-k> \b(else|end):$ <ret> k x s ^\h* <ret> y j x <a-k> ^<c-r>" <ret> J <a-lt> } + } +} + +§ |