lyng textmate bundle idea-compatible
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editors/lyng-textmate/README.md
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editors/lyng-textmate/README.md
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Lyng TextMate grammar
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======================
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This folder contains a TextMate grammar for the Lyng language so you can get syntax highlighting quickly in:
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- JetBrains IDEs (IntelliJ IDEA, Fleet, etc.) via “TextMate Bundles”
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- VS Code (via “Install from VSIX” or by adding as an extension folder)
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Files
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-----
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- `package.json` — VS Code–style wrapper that JetBrains IDEs can import as a TextMate bundle.
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- `syntaxes/lyng.tmLanguage.json` — the grammar. It highlights:
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- Line and block comments (`//`, `/* */`)
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- Shebang line at file start (`#!...`)
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- Strings: single and double quotes with escapes
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- Char literals `'x'` with escapes
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- Numbers: decimal with underscores and exponents, and hex (`0x...`)
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- Keywords (control and declarations), boolean operator words (`and`, `or`, `not`, `in`, `is`, `as`, `as?`)
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- Composite textual operators: `not in`, `not is`
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- Constants: `true`, `false`, `null`, `this`
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- Annotations: `@name` (Unicode identifiers supported)
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- Labels: `name:` (Unicode identifiers supported)
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- Declarations: highlights declared names in `fun|fn name`, `class|enum Name`, `val|var name`
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- Types: built-ins (`Int|Real|String|Bool|Char|Regex`) and Capitalized identifiers (heuristic)
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- Operators including ranges (`..`, `..<`, `...`), null-safe (`?.`, `?[`, `?(`, `?{`, `?:`, `??`), arrows (`->`, `=>`, `::`), match operators (`=~`, `!~`), bitwise, arithmetic, etc.
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- Shuttle operator `<=>`
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- Division operator `/` (note: Lyng has no regex literal syntax; `/` is always division)
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Install in IntelliJ IDEA (and other JetBrains IDEs)
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---------------------------------------------------
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1. Open Settings / Preferences → Editor → TextMate Bundles.
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2. Click “+” and select this folder `editors/lyng-textmate/` (the folder that contains `package.json`).
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3. Ensure `*.lyng` is associated with the Lyng grammar (IntelliJ usually picks this up from `fileTypes`).
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4. Optional: customize colors with Settings → Editor → Color Scheme → TextMate.
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Enable Markdown code-fence highlighting in IntelliJ
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--------------------------------------------------
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1. Settings / Preferences → Languages & Frameworks → Markdown → Code style → Code fences → Languages.
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2. Add mapping: language id `lyng` → “Lyng (TextMate)”.
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3. Now blocks like
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```
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```lyng
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// Lyng code here
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```
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```
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will be highlighted.
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Install in VS Code
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------------------
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Fastest local install without packaging:
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1. Copy or symlink this folder somewhere stable (or keep it in your workspace).
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2. Use “Developer: Install Extension from Location…” (Insiders) or package with `vsce package` and install the resulting `.vsix`.
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3. VS Code will auto-associate `*.lyng` via this extension; if needed, check File Associations.
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Notes and limitations
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---------------------
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- Type highlighting is heuristic (Capitalized identifiers). The IntelliJ plugin will use language semantics and avoid false positives.
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- If your language adds or changes tokens, please update patterns in `lyng.tmLanguage.json`. The Kotlin sources in `lynglib/src/commonMain/kotlin/net/sergeych/lyng/highlight/` are a good reference for token kinds.
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Lyng specifics
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--------------
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- There are no regex literal tokens in Lyng at the moment; the slash character `/` is always treated as the division operator. The grammar intentionally does not define a `/.../` regex rule to avoid mis-highlighting lines like `a / b`.
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Contributing
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------------
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Pull requests to refine patterns and add tests/samples are welcome. You can place test snippets in `sample_texts/` and visually verify.
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editors/lyng-textmate/package.json
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editors/lyng-textmate/package.json
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{
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"name": "lyng-textmate",
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"displayName": "Lyng",
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"description": "TextMate grammar for the Lyng language (for JetBrains IDEs via TextMate Bundles and VS Code).",
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"version": "0.0.2",
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"publisher": "lyng",
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"license": "Apache-2.0",
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"engines": { "vscode": "^1.0.0" },
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"contributes": {
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"languages": [
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{
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"id": "lyng",
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"aliases": ["Lyng", "lyng"],
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"extensions": [".lyng"]
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}
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],
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"grammars": [
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{
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"language": "lyng",
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"scopeName": "source.lyng",
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"path": "./syntaxes/lyng.tmLanguage.json"
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}
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]
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}
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}
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editors/lyng-textmate/syntaxes/lyng.tmLanguage.json
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editors/lyng-textmate/syntaxes/lyng.tmLanguage.json
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{
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"$schema": "https://raw.githubusercontent.com/martinring/tmlanguage/master/tmlanguage.json",
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"name": "Lyng",
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"scopeName": "source.lyng",
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"fileTypes": ["lyng"],
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"patterns": [
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{ "include": "#shebang" },
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{ "include": "#comments" },
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{ "include": "#strings" },
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{ "include": "#char" },
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{ "include": "#numbers" },
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{ "include": "#declarations" },
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{ "include": "#keywords" },
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{ "include": "#constants" },
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{ "include": "#types" },
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{ "include": "#annotations" },
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{ "include": "#labels" },
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{ "include": "#directives" },
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{ "include": "#operators" },
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{ "include": "#punctuation" }
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],
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"repository": {
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"shebang": { "patterns": [ { "name": "comment.line.shebang.lyng", "match": "^#!.*$" } ] },
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"comments": {
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"patterns": [
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{ "name": "comment.line.double-slash.lyng", "match": "//.*$" },
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{ "name": "comment.block.lyng", "begin": "/\\*", "end": "\\*/" }
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]
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},
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"strings": {
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"patterns": [
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{ "name": "string.quoted.double.lyng", "begin": "\"", "end": "\"", "patterns": [ { "match": "\\\\.", "name": "constant.character.escape.lyng" } ] },
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{ "name": "string.quoted.single.lyng", "begin": "'", "end": "'", "patterns": [ { "match": "\\\\.", "name": "constant.character.escape.lyng" } ] }
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]
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},
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"char": { "patterns": [ { "name": "constant.character.lyng", "match": "'(?:[^\\\\']|\\\\.)'" } ] },
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"numbers": {
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"patterns": [
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{ "name": "constant.numeric.hex.lyng", "match": "0x[0-9A-Fa-f_]+" },
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{ "name": "constant.numeric.decimal.lyng", "match": "(?<![A-Za-z_])(?:[0-9][0-9_]*)\\.(?:[0-9_]+)(?:[eE][+-]?[0-9_]+)?|(?<![A-Za-z_])(?:[0-9][0-9_]*)(?:[eE][+-]?[0-9_]+)?" }
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]
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},
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"annotations": { "patterns": [ { "name": "entity.name.label.at.lyng", "match": "@[\\p{L}_][\\p{L}\\p{N}_]*:" }, { "name": "storage.modifier.annotation.lyng", "match": "@[\\p{L}_][\\p{L}\\p{N}_]*" } ] },
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"labels": { "patterns": [ { "name": "entity.name.label.lyng", "match": "[\\p{L}_][\\p{L}\\p{N}_]*:" } ] },
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"directives": { "patterns": [ { "name": "meta.directive.lyng", "match": "^\\s*#[_A-Za-z][_A-Za-z0-9]*" } ] },
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"declarations": { "patterns": [ { "name": "meta.function.declaration.lyng", "match": "\\b(?:fun|fn)\\s+([\\p{L}_][\\p{L}\\p{N}_]*)", "captures": { "1": { "name": "entity.name.function.lyng" } } }, { "name": "meta.type.declaration.lyng", "match": "\\b(?:class|enum)\\s+([\\p{L}_][\\p{L}\\p{N}_]*)", "captures": { "1": { "name": "entity.name.type.lyng" } } }, { "name": "meta.variable.declaration.lyng", "match": "\\b(?:val|var)\\s+([\\p{L}_][\\p{L}\\p{N}_]*)", "captures": { "1": { "name": "variable.other.declaration.lyng" } } } ] },
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"keywords": { "patterns": [ { "name": "keyword.control.lyng", "match": "\\b(?:if|else|when|while|do|for|try|catch|finally|throw|return|break|continue)\\b" }, { "name": "keyword.declaration.lyng", "match": "\\b(?:fun|fn|class|enum|val|var|import|package|constructor|property|open|extern|private|protected|static)\\b" }, { "name": "keyword.operator.word.lyng", "match": "\\bnot\\s+(?:in|is)\\b" }, { "name": "keyword.operator.word.lyng", "match": "\\b(?:and|or|not|in|is|as|as\\?)\\b" } ] },
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"constants": { "patterns": [ { "name": "constant.language.lyng", "match": "(?:\\b(?:true|false|null|this)\\b|π)" } ] },
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"types": { "patterns": [ { "name": "storage.type.lyng", "match": "\\b(?:Int|Real|String|Bool|Char|Regex)\\b" }, { "name": "entity.name.type.lyng", "match": "\\b[A-Z][A-Za-z0-9_]*\\b(?!\\s*\\()" } ] },
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"operators": { "patterns": [ { "name": "keyword.operator.comparison.lyng", "match": "===|!==|==|!=|<=|>=|<|>" }, { "name": "keyword.operator.shuttle.lyng", "match": "<=>" }, { "name": "keyword.operator.arrow.lyng", "match": "=>|->|::" }, { "name": "keyword.operator.range.lyng", "match": "\\.\\.\\.|\\.\\.<|\\.\\." }, { "name": "keyword.operator.nullsafe.lyng", "match": "\\?\\.|\\?\\[|\\?\\(|\\?\\{|\\?:|\\?\\?" }, { "name": "keyword.operator.assignment.lyng", "match": "(?:\\+=|-=|\\*=|/=|%=|=)" }, { "name": "keyword.operator.logical.lyng", "match": "&&|\\|\\|" }, { "name": "keyword.operator.bitwise.lyng", "match": "<<|>>|&|\\||\\^|~" }, { "name": "keyword.operator.match.lyng", "match": "=~|!~" }, { "name": "keyword.operator.arithmetic.lyng", "match": "\\+\\+|--|[+\\-*/%]" }, { "name": "keyword.operator.other.lyng", "match": "[!?]" } ] },
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"punctuation": { "patterns": [ { "name": "punctuation.separator.comma.lyng", "match": "," }, { "name": "punctuation.terminator.statement.lyng", "match": ";" }, { "name": "punctuation.section.block.begin.lyng", "match": "[(]{1}|[{]{1}|\\[" }, { "name": "punctuation.section.block.end.lyng", "match": "[)]{1}|[}]{1}|\\]" }, { "name": "punctuation.accessor.dot.lyng", "match": "\\." }, { "name": "punctuation.separator.colon.lyng", "match": ":" } ] }
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}
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}
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