TmLanguage-Syntax-Highlighter

Syntax Highlighting and Intellisense for VSCodes's JSON based TextMate grammars

Features

• Syntax Highlighting
• Basic Intellisense
• Diagnostics error reporting
• Ctrl+click Definitions
• Breadcrumbs/Outline
• Formatting
• Schema support
• repository/include Call Hierarchy View
• [F2] Rename
• CodeLens
• CallStack Viewer
• Deadcode dims
• Supported in VSCode Web

Example code:

Highlights scope names with their own themed colour in realtime:

{
  "$schema": "https://raw.githubusercontent.com/RedCMD/TmLanguage-Syntax-Highlighter/main/vscode.tmLanguage.schema.json",
  "name": "languageId",
  "scopeName": "source.languageId",
  "patterns": [
    { "include": "#repo-item" },
    { "include": "#string" },
    { "include": "#boolean" }
  ],
  "repository": {
    "repo-item": { },
    "boolean": {
      "comment": "`\\b` is a 0-width word boundary. `$1` references capture group 1",
      "match": "\\b(true|false)\\b",
      "name": "constant.language.$1.languageId"
    },
    "string": {
      "comment": "\"begin\" & \"end\" can create a multi-line region",
      "begin": "\"",
      "end": "\"",
      "beginCaptures": { "0": { "name": "punctuation.definition.string.begin.languageId" } },
      "endCaptures": { "0": { "name": "punctuation.definition.string.end.languageId" } },
      "name": "string.quoted.double.languageId",
      "patterns": [
        {
          "comment": "Quad backslash required to match one literal backslash",
          "match": "\\\\.",
          "name": "constant.character.escape.languageId"
        }
      ]
    }
  }
}

For more information

• Github - TextMate
• Github - VSCode TextMate
• Github - Oniguruma
• Github - Oniguruma: list of all expressions
• Github - VSCode Oniguruma
• Github - Unit testing
• Github - TmLanguage-Syntax-Highlighter
• Github - Documentation
• Github - Schema

Todo

• Support unicode character insertions \u00b0
• Finish ctrl+click definitions and references
• Add hovers
• Improve tree-sitter grammar
• Improve TextMate documentation
• Finish CallStack viewer
• Redo TextMate scopeNames Naming conventions
• "match"/"begin"/"while"/"end" hovers
• Move .vsix file to releases
• Refactor: Sort JSON keys
• Move to LanguageServer
• Add unit tests
• Improve TreeSitter Query performance: Node contains &fieldName, Caching or Serializing a TSQuery