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9e2248ab58
Problem: wast filetype should be replaced by wat filetype
Solution: start using the official wat filetype name
runtime: rename `wast` filetype to `wat` (Wasm text format)
The problem is the name of the current filetype wast. When the plugin
was initially created, the file extension for Wasm text format was not
fixed and .wast was more popular.
However, recently .wat became the official file extension for
WebAssembly text (WAT) format and .wast is now a file extension for the
unofficial WAST format, which is a superset of .wat for the convenience
to describe the Wasm specification conformance tests.
https://webassembly.js.org/docs/contrib-wat-vs-wast.html
However for now, let's keep using the `wat` filetype even for the .wast
extension, so that we at least do not lose the filetype settings and
syntax highlighting. This can be adjusted later, if it turns out to have
a separate need for.
closes: vim/vim#13533
bc8f79d36a
Co-authored-by: rhysd <lin90162@yahoo.co.jp>
98 lines
4.8 KiB
VimL
98 lines
4.8 KiB
VimL
" Vim syntax file
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" Language: WebAssembly
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" Maintainer: rhysd <lin90162@yahoo.co.jp>
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" Last Change: Nov 14, 2023
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" For bugs, patches and license go to https://github.com/rhysd/vim-wasm
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if exists("b:current_syntax")
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finish
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endif
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let s:cpo_save = &cpo
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set cpo&vim
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syn cluster watNotTop contains=watModule,watInstWithType,watInstGetSet,watInstGeneral,watParamInst,watControlInst,watSimdInst,watString,watNamedVar,watUnnamedVar,watFloat,watNumber,watComment,watList,watType
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" Instructions
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" https://webassembly.github.io/spec/core/text/instructions.html
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" Note: memarg (align=,offset=) can be added to memory instructions
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syn match watInstWithType "\%((\s*\)\@<=\<\%(i32\|i64\|f32\|f64\|memory\)\.[[:alnum:]_]\+\%(/\%(i32\|i64\|f32\|f64\)\)\=\>\%(\s\+\%(align\|offset\)=\)\=" contained display
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syn match watInstGeneral "\%((\s*\)\@<=\<[[:alnum:]_]\+\>" contained display
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syn match watInstGetSet "\%((\s*\)\@<=\<\%(local\|global\)\.\%(get\|set\)\>" contained display
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" https://webassembly.github.io/spec/core/text/instructions.html#control-instructions
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syn match watControlInst "\%((\s*\)\@<=\<\%(block\|end\|loop\|if\|then\|else\|unreachable\|nop\|br\|br_if\|br_table\|return\|call\|call_indirect\)\>" contained display
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" https://webassembly.github.io/spec/core/text/instructions.html#parametric-instructions
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syn match watParamInst "\%((\s*\)\@<=\<\%(drop\|select\)\>" contained display
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" SIMD instructions
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" https://webassembly.github.io/simd/core/text/instructions.html#simd-instructions
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syn match watSimdInst "\<\%(v128\|i8x16\|i16x8\|i32x4\|i64x2\|f32x4\|f64x2)\)\.[[:alnum:]_]\+\%(\s\+\%(i8x16\|i16x8\|i32x4\|i64x2\|f32x4\|f64x2\)\)\=\>" contained display
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" Identifiers
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" https://webassembly.github.io/spec/core/text/values.html#text-id
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syn match watNamedVar "$\+[[:alnum:]!#$%&'∗./:=><?@\\^_`~+-]*" contained contains=watEscapeUtf8
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syn match watUnnamedVar "$\+\d\+[[:alnum:]!#$%&'∗./:=><?@\\^_`~+-]\@!" contained display
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" Presuming the source text is itself encoded correctly, strings that do not
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" contain any uses of hexadecimal byte escapes are always valid names.
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" https://webassembly.github.io/spec/core/text/values.html#names
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syn match watEscapedUtf8 "\\\x\{1,6}" contained containedin=watNamedVar display
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" String literals
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" https://webassembly.github.io/spec/core/text/values.html#strings
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syn region watString start=+"+ skip=+\\\\\|\\"+ end=+"+ contained contains=watStringSpecial
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syn match watStringSpecial "\\\x\x\|\\[tnr'\\\"]\|\\u\x\+" contained containedin=watString display
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" Float literals
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" https://webassembly.github.io/spec/core/text/values.html#floating-point
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syn match watFloat "\<-\=\d\%(_\=\d\)*\%(\.\d\%(_\=\d\)*\)\=\%([eE][-+]\=\d\%(_\=\d\)*\)\=" display contained
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syn match watFloat "\<-\=0x\x\%(_\=\x\)*\%(\.\x\%(_\=\x\)*\)\=\%([pP][-+]\=\d\%(_\=\d\)*\)\=" display contained
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syn keyword watFloat inf nan contained
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syn match watFloat "nan:0x\x\%(_\=\x\)*" display contained
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" Integer literals
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" https://webassembly.github.io/spec/core/text/values.html#integers
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syn match watNumber "\<-\=\d\%(_\=\d\)*\>" display contained
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syn match watNumber "\<-\=0x\x\%(_\=\x\)*\>" display contained
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" Comments
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" https://webassembly.github.io/spec/core/text/lexical.html#comments
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syn region watComment start=";;" end="$"
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syn region watComment start="(;;\@!" end=";)"
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syn region watList matchgroup=watListDelimiter start="(;\@!" matchgroup=watListDelimiter end=";\@<!)" contains=@watNotTop
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" Types
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" https://webassembly.github.io/spec/core/text/types.html
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" Note: `mut` was changed to `const`/`var` at Wasm 2.0
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syn keyword watType i64 i32 f64 f32 param result funcref func externref extern mut v128 const var contained
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syn match watType "\%((\_s*\)\@<=func\%(\_s*[()]\)\@=" display contained
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" Modules
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" https://webassembly.github.io/spec/core/text/modules.html
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syn keyword watModule module type export import table memory global data elem contained
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syn match watModule "\%((\_s*\)\@<=func\%(\_s\+\$\)\@=" display contained
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syn sync maxlines=100
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hi def link watModule PreProc
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hi def link watListDelimiter Delimiter
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hi def link watInstWithType Operator
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hi def link watInstGetSet Operator
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hi def link watInstGeneral Operator
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hi def link watControlInst Statement
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hi def link watSimdInst Operator
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hi def link watParamInst Conditional
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hi def link watString String
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hi def link watStringSpecial Special
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hi def link watNamedVar Identifier
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hi def link watUnnamedVar PreProc
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hi def link watFloat Float
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hi def link watNumber Number
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hi def link watComment Comment
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hi def link watType Type
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hi def link watEscapedUtf8 Special
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let b:current_syntax = "wat"
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let &cpo = s:cpo_save
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unlet s:cpo_save
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