Add VSCode syntax highlighting extension for Flux
Adds the vscode-flux extension with TextMate grammar covering keywords, types, literals, operators, comments, and function/struct name highlighting. Supports .flux and .flx file extensions.
This commit is contained in:
45
vscode-flux/language-configuration.json
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45
vscode-flux/language-configuration.json
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{
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"comments": {
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"lineComment": "//",
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"blockComment": ["/*", "*/"]
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},
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"brackets": [
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["{", "}"],
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["[", "]"],
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["(", ")"]
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],
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"autoClosingPairs": [
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{ "open": "{", "close": "}" },
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{ "open": "[", "close": "]" },
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{ "open": "(", "close": ")" },
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{ "open": "\"", "close": "\"", "notIn": ["string", "comment"] },
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{ "open": "'", "close": "'", "notIn": ["string", "comment"] },
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{ "open": "/*", "close": " */" }
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],
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"surroundingPairs": [
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["{", "}"],
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["[", "]"],
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["(", ")"],
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["\"", "\""],
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["'", "'"]
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],
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"onEnterRules": [
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{
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"beforeText": { "pattern": "^\\s*/\\*\\*(?!/)([^*]|\\*(?!/))*$" },
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"action": { "indent": "indentOutdent", "appendText": " * " }
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},
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{
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"beforeText": { "pattern": "^\\s* \\* (?!/).*$" },
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"action": { "indent": "none", "appendText": "* " }
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},
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{
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"beforeText": { "pattern": "^\\s* \\*/$" },
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"action": { "indent": "none", "removeText": 1 }
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}
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],
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"indentationRules": {
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"increaseIndentPattern": { "pattern": "^.*\\{[^}\"']*$" },
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"decreaseIndentPattern": { "pattern": "^\\s*\\}" }
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},
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"wordPattern": { "pattern": "[a-zA-Z_][a-zA-Z0-9_]*" }
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}
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34
vscode-flux/package.json
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34
vscode-flux/package.json
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{
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"name": "flux-lang",
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"displayName": "Flux",
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"description": "Syntax highlighting for the Flux programming language — a simple, fast systems language in the spirit of C and Rust.",
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"version": "0.1.0",
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"publisher": "flux-lang",
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"engines": {
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"vscode": "^1.74.0"
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},
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"categories": [
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"Programming Languages"
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],
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"contributes": {
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"languages": [
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{
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"id": "flux",
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"aliases": ["Flux", "flux"],
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"extensions": [".flux", ".flx"],
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"configuration": "./language-configuration.json",
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"icon": {
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"light": "./icons/flux-light.png",
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"dark": "./icons/flux-dark.png"
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}
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}
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],
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"grammars": [
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{
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"language": "flux",
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"scopeName": "source.flux",
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"path": "./syntaxes/flux.tmLanguage.json"
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}
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]
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}
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}
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199
vscode-flux/syntaxes/flux.tmLanguage.json
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199
vscode-flux/syntaxes/flux.tmLanguage.json
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{
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"$schema": "https://raw.githubusercontent.com/martinring/tmlanguage/master/tmlanguage.json",
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"name": "Flux",
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"scopeName": "source.flux",
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"fileTypes": ["flux"],
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"patterns": [
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{ "include": "#line-comment" },
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{ "include": "#block-comment" },
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{ "include": "#string" },
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{ "include": "#char" },
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{ "include": "#number" },
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{ "include": "#fn-def" },
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{ "include": "#struct-def" },
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{ "include": "#control-keywords" },
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{ "include": "#decl-keywords" },
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{ "include": "#type-keywords" },
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{ "include": "#boolean-literals" },
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{ "include": "#operator-keywords" },
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{ "include": "#operators" },
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{ "include": "#punctuation" }
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],
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"repository": {
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"line-comment": {
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"name": "comment.line.double-slash.flux",
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"match": "//.*$"
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},
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"block-comment": {
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"name": "comment.block.flux",
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"begin": "/\\*",
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"end": "\\*/",
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"beginCaptures": { "0": { "name": "punctuation.definition.comment.begin.flux" } },
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"endCaptures": { "0": { "name": "punctuation.definition.comment.end.flux" } }
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},
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"string": {
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"name": "string.quoted.double.flux",
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"begin": "\"",
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"end": "\"",
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"beginCaptures": { "0": { "name": "punctuation.definition.string.begin.flux" } },
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"endCaptures": { "0": { "name": "punctuation.definition.string.end.flux" } },
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"patterns": [ { "include": "#escape-sequence" } ]
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},
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"char": {
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"name": "string.quoted.single.flux",
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"begin": "'",
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"end": "'",
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"beginCaptures": { "0": { "name": "punctuation.definition.string.begin.flux" } },
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"endCaptures": { "0": { "name": "punctuation.definition.string.end.flux" } },
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"patterns": [ { "include": "#escape-sequence" } ]
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},
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"escape-sequence": {
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"name": "constant.character.escape.flux",
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"match": "\\\\([nrt\\\\\"'0]|u\\{[0-9a-fA-F]{1,6}\\})"
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},
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"number": {
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"patterns": [
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{
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"comment": "Floating-point: 3.14, 1.0e-9, 2e4",
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"name": "constant.numeric.float.flux",
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"match": "\\b\\d[\\d_]*\\.\\d[\\d_]*(?:[eE][+-]?\\d[\\d_]*)?\\b|\\b\\d[\\d_]*[eE][+-]?\\d[\\d_]*\\b"
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},
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{
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"comment": "Hexadecimal integer: 0xFF, 0xDEAD_BEEF",
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"name": "constant.numeric.integer.hex.flux",
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"match": "\\b0x[0-9a-fA-F][0-9a-fA-F_]*\\b"
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},
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{
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"comment": "Octal integer: 0o77",
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"name": "constant.numeric.integer.octal.flux",
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"match": "\\b0o[0-7][0-7_]*\\b"
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},
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{
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"comment": "Binary integer: 0b1010",
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"name": "constant.numeric.integer.binary.flux",
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"match": "\\b0b[01][01_]*\\b"
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},
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{
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"comment": "Decimal integer: 42, 1_000_000",
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"name": "constant.numeric.integer.decimal.flux",
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"match": "\\b\\d[\\d_]*\\b"
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}
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]
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},
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"fn-def": {
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"comment": "Highlight function name after `fn`",
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"match": "\\b(fn)\\s+([a-zA-Z_][a-zA-Z0-9_]*)",
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"captures": {
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"1": { "name": "keyword.declaration.function.flux" },
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"2": { "name": "entity.name.function.flux" }
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}
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},
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"struct-def": {
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"comment": "Highlight struct name after `struct`",
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"match": "\\b(struct)\\s+([a-zA-Z_][a-zA-Z0-9_]*)",
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"captures": {
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"1": { "name": "keyword.declaration.type.flux" },
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"2": { "name": "entity.name.type.struct.flux" }
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}
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},
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"control-keywords": {
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"name": "keyword.control.flux",
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"match": "\\b(if|else|while|loop|break|continue|return)\\b"
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},
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"decl-keywords": {
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"patterns": [
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{
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"name": "keyword.other.let.flux",
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"match": "\\blet\\b"
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},
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{
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"name": "storage.modifier.mut.flux",
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"match": "\\bmut\\b"
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}
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]
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},
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"type-keywords": {
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"patterns": [
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{
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"comment": "Primitive numeric types",
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"name": "support.type.primitive.flux",
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"match": "\\b(u8|u16|u32|u64|i8|i16|i32|i64|f32|f64)\\b"
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},
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{
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"comment": "Other primitive types",
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"name": "support.type.primitive.flux",
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"match": "\\b(bool|char)\\b"
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},
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{
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"comment": "Opaque pointer keyword",
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"name": "support.type.opaque.flux",
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"match": "\\bopaque\\b"
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}
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]
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},
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"boolean-literals": {
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"name": "constant.language.boolean.flux",
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"match": "\\b(true|false)\\b"
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},
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"operator-keywords": {
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"name": "keyword.operator.logical.flux",
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"match": "\\b(and|or)\\b"
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},
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"operators": {
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"patterns": [
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{
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"comment": "Arrow (return type separator)",
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"name": "keyword.operator.arrow.flux",
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"match": "->"
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},
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{
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"comment": "Comparison operators",
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"name": "keyword.operator.comparison.flux",
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"match": "==|!=|<=|>=|<|>"
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},
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{
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"comment": "Assignment",
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"name": "keyword.operator.assignment.flux",
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"match": "(?<![=!<>])=(?!=)"
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},
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{
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"comment": "Arithmetic: + - * / %",
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"name": "keyword.operator.arithmetic.flux",
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"match": "[+\\-*/%]"
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},
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{
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"comment": "Bitwise: & | ^ ~ and unary ! ~",
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"name": "keyword.operator.bitwise.flux",
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"match": "[&|^~!]"
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}
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]
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},
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"punctuation": {
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"patterns": [
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{ "name": "punctuation.terminator.statement.flux", "match": ";" },
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{ "name": "punctuation.separator.comma.flux", "match": "," },
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{ "name": "punctuation.accessor.dot.flux", "match": "\\." },
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{ "name": "punctuation.separator.colon.flux", "match": ":" },
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{ "name": "punctuation.brackets.round.flux", "match": "[()]" },
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{ "name": "punctuation.brackets.square.flux", "match": "[\\[\\]]" },
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{ "name": "punctuation.brackets.curly.flux", "match": "[{}]" }
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]
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}
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}
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}
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