Current File : //usr/share/vim/vim82/syntax/wast.vim
" Vim syntax file
" Language: WebAssembly
" Maintainer: rhysd <lin90162@yahoo.co.jp>
" Last Change: Jul 29, 2018
" For bugs, patches and license go to https://github.com/rhysd/vim-wasm
if exists("b:current_syntax")
finish
endif
let s:cpo_save = &cpo
set cpo&vim
syn cluster wastCluster contains=wastModule,wastInstWithType,wastInstGeneral,wastParamInst,wastControlInst,wastString,wastNamedVar,wastUnnamedVar,wastFloat,wastNumber,wastComment,wastList,wastType
" Instructions
" https://webassembly.github.io/spec/core/text/instructions.html
" Note: memarg (align=,offset=) can be added to memory instructions
syn match wastInstWithType "\%((\s*\)\@<=\<\%(i32\|i64\|f32\|f64\|memory\)\.[[:alnum:]_]\+\%(/\%(i32\|i64\|f32\|f64\)\)\=\>\%(\s\+\%(align\|offset\)=\)\=" contained display
syn match wastInstGeneral "\%((\s*\)\@<=\<[[:alnum:]_]\+\>" contained display
" https://webassembly.github.io/spec/core/text/instructions.html#control-instructions
syn match wastControlInst "\%((\s*\)\@<=\<\%(block\|end\|loop\|if\|else\|unreachable\|nop\|br\|br_if\|br_table\|return\|call\|call_indirect\)\>" contained display
" https://webassembly.github.io/spec/core/text/instructions.html#parametric-instructions
syn match wastParamInst "\%((\s*\)\@<=\<\%(drop\|select\)\>" contained display
" Identifiers
" https://webassembly.github.io/spec/core/text/values.html#text-id
syn match wastNamedVar "$\+[[:alnum:]!#$%&'∗./:=><?@\\^_`~+-]*" contained display
syn match wastUnnamedVar "$\+\d\+[[:alnum:]!#$%&'∗./:=><?@\\^_`~+-]\@!" contained display
" String literals
" https://webassembly.github.io/spec/core/text/values.html#strings
syn region wastString start=+"+ skip=+\\\\\|\\"+ end=+"+ contained contains=wastStringSpecial
syn match wastStringSpecial "\\\x\x\|\\[tnr'\\\"]\|\\u\x\+" contained containedin=wastString
" Float literals
" https://webassembly.github.io/spec/core/text/values.html#floating-point
syn match wastFloat "\<-\=\d\%(_\=\d\)*\%(\.\d\%(_\=\d\)*\)\=\%([eE][-+]\=\d\%(_\=\d\)*\)\=" display contained
syn match wastFloat "\<-\=0x\x\%(_\=\d\)*\%(\.\x\%(_\=\x\)*\)\=\%([pP][-+]\=\d\%(_\=\d\)*\)\=" display contained
syn keyword wastFloat inf nan contained
" Integer literals
" https://webassembly.github.io/spec/core/text/values.html#integers
syn match wastNumber "\<-\=\d\%(_\=\d\)*\>" display contained
syn match wastNumber "\<-\=0x\x\%(_\=\x\)*\>" display contained
" Comments
" https://webassembly.github.io/spec/core/text/lexical.html#comments
syn region wastComment start=";;" end="$" display
syn region wastComment start="(;;\@!" end=";)"
syn region wastList matchgroup=wastListDelimiter start="(;\@!" matchgroup=wastListDelimiter end=";\@<!)" contains=@wastCluster
" Types
" https://webassembly.github.io/spec/core/text/types.html
syn keyword wastType i64 i32 f64 f32 param result anyfunc mut contained
syn match wastType "\%((\_s*\)\@<=func\%(\_s*[()]\)\@=" display contained
" Modules
" https://webassembly.github.io/spec/core/text/modules.html
syn keyword wastModule module type export import table memory global data elem contained
syn match wastModule "\%((\_s*\)\@<=func\%(\_s\+\$\)\@=" display contained
syn sync lines=100
hi def link wastModule PreProc
hi def link wastListDelimiter Delimiter
hi def link wastInstWithType Operator
hi def link wastInstGeneral Operator
hi def link wastControlInst Statement
hi def link wastParamInst Conditional
hi def link wastString String
hi def link wastStringSpecial Special
hi def link wastNamedVar Identifier
hi def link wastUnnamedVar PreProc
hi def link wastFloat Float
hi def link wastNumber Number
hi def link wastComment Comment
hi def link wastType Type
let b:current_syntax = "wast"
let &cpo = s:cpo_save
unlet s:cpo_save
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