Fixes #20763: Syntax hightlighing for rudder language

language/syntax/.vscodeignore

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+.vscode/**
+.vscode-test/**
+.gitignore
+vsc-extension-quickstart.md

language/syntax/CHANGELOG.md

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+# Change Log
+
+All notable changes to the "rudder-language" extension will be documented in this file.
+
+Check [Keep a Changelog](http://keepachangelog.com/) for recommendations on how to structure this file.
+
+## [Unreleased]
+
+- Initial release

language/syntax/README.md

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+# rudder-language README
+
+This is the README for your extension "rudder-language". After writing up a brief description, we recommend including the following sections.
+
+## Features
+
+Describe specific features of your extension including screenshots of your extension in action. Image paths are relative to this README file.
+
+For example if there is an image subfolder under your extension project workspace:
+
+\!\[feature X\]\(images/feature-x.png\)
+
+> Tip: Many popular extensions utilize animations. This is an excellent way to show off your extension! We recommend short, focused animations that are easy to follow.
+
+## Requirements
+
+If you have any requirements or dependencies, add a section describing those and how to install and configure them.
+
+## Extension Settings
+
+Include if your extension adds any VS Code settings through the `contributes.configuration` extension point.
+
+For example:
+
+This extension contributes the following settings:
+
+* `myExtension.enable`: enable/disable this extension
+* `myExtension.thing`: set to `blah` to do something
+
+## Known Issues
+
+Calling out known issues can help limit users opening duplicate issues against your extension.
+
+## Release Notes
+
+Users appreciate release notes as you update your extension.
+
+### 1.0.0
+
+Initial release of ...
+
+### 1.0.1
+
+Fixed issue #.
+
+### 1.1.0
+
+Added features X, Y, and Z.
+
+-----------------------------------------------------------------------------------------------------------
+
+## Working with Markdown
+
+**Note:** You can author your README using Visual Studio Code.  Here are some useful editor keyboard shortcuts:
+
+* Split the editor (`Cmd+\` on macOS or `Ctrl+\` on Windows and Linux)
+* Toggle preview (`Shift+CMD+V` on macOS or `Shift+Ctrl+V` on Windows and Linux)
+* Press `Ctrl+Space` (Windows, Linux) or `Cmd+Space` (macOS) to see a list of Markdown snippets
+
+### For more information
+
+* [Visual Studio Code's Markdown Support](http://code.visualstudio.com/docs/languages/markdown)
+* [Markdown Syntax Reference](https://help.github.com/articles/markdown-basics/)
+
+**Enjoy!**

language/syntax/language-configuration.json

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+{
+    "comments": {
+        // symbol used for single line comment. Remove this entry if your language does not support line comments
+        "lineComment": "#"
+    },
+    // symbols used as brackets
+    "brackets": [
+        [
+            "{",
+            "}"
+        ],
+        [
+            "[",
+            "]"
+        ],
+        [
+            "(",
+            ")"
+        ]
+    ],
+    // symbols that are auto closed when typing
+    "autoClosingPairs": [
+        [
+            "{",
+            "}"
+        ],
+        [
+            "[",
+            "]"
+        ],
+        [
+            "(",
+            ")"
+        ],
+        [
+            "\"",
+            "\""
+        ],
+        [
+            "'",
+            "'"
+        ]
+    ],
+    // symbols that can be used to surround a selection
+    "surroundingPairs": [
+        [
+            "{",
+            "}"
+        ],
+        [
+            "[",
+            "]"
+        ],
+        [
+            "(",
+            ")"
+        ],
+        [
+            "\"",
+            "\""
+        ],
+        [
+            "'",
+            "'"
+        ]
+    ]
+}

language/syntax/package.json

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+{
+    "name": "rudder-language",
+    "displayName": "Rudder Language",
+    "description": "Rudder configuration language support",
+    "version": "0.0.1",
+    "engines": {
+        "vscode": "^1.47.0"
+    },
+    "categories": [
+        "Programming Languages"
+    ],
+    "contributes": {
+        "languages": [
+            {
+                "id": "rudder-language",
+                "aliases": [
+                    "Rudder",
+                    "rudder-language"
+                ],
+                "extensions": [
+                    ".rl"
+                ],
+                "configuration": "./language-configuration.json"
+            }
+        ],
+        "grammars": [
+            {
+                "language": "rudder-language",
+                "scopeName": "source.rudder-language",
+                "path": "./syntaxes/rudder-language.tmLanguage.json"
+            }
+        ]
+    }
+}

language/syntax/syntaxes/rudder-language.tmLanguage.json

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+{
+    "$schema": "https://raw.githubusercontent.com/martinring/tmlanguage/master/tmlanguage.json",
+    "name": "Rudder",
+    "fileTypes": [
+        "rl"
+    ],
+    "foldingStartMarker": "\\{\\s*$",
+    "foldingStopMarker": "^\\s*\\}",
+    "patterns": [
+        {
+            "include": "#keywords"
+        },
+        {
+            "include": "#strings"
+        },
+        {
+            "include": "#comment"
+        },
+        {
+            "include": "#metadata"
+        },
+        {
+            "include": "#state"
+        },
+        {
+            "include": "#resource"
+        }
+    ],
+    "repository": {
+        "comment": {
+            "captures": {
+                "1": {
+                    "name": "comment.line.number-sign.rudder-language"
+                },
+                "2": {
+                    "name": "punctuation.definition.comment.rudder-language"
+                }
+            },
+            "match": "\\s*((#).*)$"
+        },
+        "condition": {
+            "captures": {
+                "1": {
+                    "name": "keyword.control.rudder-language"
+                },
+                "2": {
+                    "name": "variable.parameter.rudder-language"
+                },
+                "3": {
+                    "name": "keyword.control.rudder-language"
+                }
+            },
+            "match": "\\b(if)\\s+(.*)\\s+(=>)"
+        },
+        "resource": {
+            "captures": {
+                "0": {
+                    "name": "meta.entity.name.function.rudder-language"
+                },
+                "1": {
+                    "name": "entity.name.type.rudder-language"
+                },
+                "2": {
+                    "name": "entity.name.function.rudder-language"
+                }
+            },
+            "match": "\\b(resource)\\s+(\\w+)\\s*\\(\\)\\s*"
+        },
+        "metadata": {
+            "captures": {
+                "1": {
+                    "name": "comment.line.at.rudder-language"
+                },
+                "2": {
+                    "name": "source.toml.embedded.rudder-language",
+                    "patterns": [
+                        {
+                            "include": "source.toml"
+                        }
+                    ]
+                }
+            },
+            "match": "\\s*(@)(.*)$",
+            "include": "source.toml"
+        },
+        "keywords": {
+            "patterns": [
+                {
+                    "name": "keyword.control.rudder-language",
+                    "match": "\\b(if|return|fail|log_info|log_debug|log_warn)\\b"
+                },
+                {
+                    "name": "keyword.operator.rudder-language",
+                    "match": "\\b(=)\\b"
+                }
+            ]
+        },
+        "strings": {
+            "name": "string.quoted.double.rudder-language",
+            "begin": "\"",
+            "end": "\"",
+            "patterns": [
+                {
+                    "name": "constant.character.escape.rudder-language",
+                    "match": "\\\\."
+                }
+            ]
+        },
+        "state": {
+            "beginCaptures": {
+                "0": {
+                    "name": "meta.entity.name.function.rudder-language"
+                },
+                "1": {
+                    "name": "entity.name.function.rudder-language"
+                },
+                "2": {
+                    "name": "entity.name.type.rudder-language"
+                },
+                "3": {
+                    "name": "entity.name.function.rudder-language"
+                },
+                "4": {
+                    "name": "meta.block.start.rudder-language"
+                }
+            },
+            "endCaptures": {
+                "0": {
+                    "name": "meta.block.end.rudder-language"
+                }
+            },
+            "begin": "\\s*(\\w+)\\s*(state)\\s*(\\w+)\\s*\\(\\)\\s*({)",
+            "end": "}",
+            "contentName": "meta.function",
+            "patterns": [
+                {
+                    "include": "#metadata"
+                },
+                {
+                    "include": "#comment"
+                },
+                {
+                    "include": "#condition"
+                },
+                {
+                    "include": "#keywords"
+                }
+            ]
+        }
+    },
+    "scopeName": "source.rudder-language"
+}

language/syntax/vsc-extension-quickstart.md

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+# Welcome to your VS Code Extension
+
+## What's in the folder
+
+* This folder contains all of the files necessary for your extension.
+* `package.json` - this is the manifest file in which you declare your language support and define the location of the grammar file that has been copied into your extension.
+* `syntaxes/rudder-language.tmLanguage.json` - this is the Text mate grammar file that is used for tokenization.
+* `language-configuration.json` - this is the language configuration, defining the tokens that are used for comments and brackets.
+
+## Get up and running straight away
+
+* Make sure the language configuration settings in `language-configuration.json` are accurate.
+* Press `F5` to open a new window with your extension loaded.
+* Create a new file with a file name suffix matching your language.
+* Verify that syntax highlighting works and that the language configuration settings are working.
+
+## Make changes
+
+* You can relaunch the extension from the debug toolbar after making changes to the files listed above.
+* You can also reload (`Ctrl+R` or `Cmd+R` on Mac) the VS Code window with your extension to load your changes.
+
+## Add more language features
+
+* To add features such as intellisense, hovers and validators check out the VS Code extenders documentation at https://code.visualstudio.com/docs
+
+## Install your extension
+
+* To start using your extension with Visual Studio Code copy it into the `<user home>/.vscode/extensions` folder and restart Code.
+* To share your extension with the world, read on https://code.visualstudio.com/docs about publishing an extension.