add package manifest, lark grammar, and configuration

Author: dirk-thomas

language-configuration.json

@@ -0,0 +1,21 @@
+{
+   "comments": {
+       "lineComment": "//"
+   },
+   "brackets": [
+       ["(", ")"],
+       ["[", "]"]
+   ],
+   "autoClosingPairs": [
+       { "open": "(", "close": ")" },
+       { "open": "[", "close": "]" },
+       { "open": "/", "close": "/" },
+       { "open": "\"", "close": "\"" }
+   ],
+   "surroundingPairs": [
+       ["(", ")"],
+       ["[", "]"],
+       ["/", "/"],
+       ["\"", "\""]
+   ]
+}

package.json

@@ -0,0 +1,43 @@
+{
+    "name": "vscode-lark",
+    "version": "0.0.0",
+    "publisher": "dirk-thomas",
+    "engines": {
+        "vscode": "^1.2.0"
+    },
+    "license": "Apache-2.0",
+    "displayName": "Lark grammar syntax support",
+    "description": "Language support for Lark grammar files",
+    "categories": [
+        "Languages"
+    ],
+    "homepage": "https://marketplace.visualstudio.com/items?itemName=dirk-thomas.vscode-lark",
+    "repository": {
+        "type": "git",
+        "url": "https://github.com/dirk-thomas/vscode-lark"
+    },
+    "bugs": {
+        "url": "https://github.com/dirk-thomas/vscode-lark/issues"
+    },
+    "contributes": {
+        "languages": [
+            {
+                "id": "lark",
+                "aliases": [
+                    "Lark"
+                ],
+                "extensions": [
+                    ".lark"
+                ],
+                "configuration": "./language-configuration.json"
+            }
+        ],
+        "grammars": [
+            {
+                "language": "lark",
+                "scopeName": "source.lark",
+                "path": "./syntaxes/lark.json"
+            }
+        ]
+    }
+}

syntaxes/lark.json

@@ -0,0 +1,81 @@
+{
+    "patterns": [
+        {
+            "comment": "Lark comment line",
+            "match": "//.*",
+            "name": "comment.line.double-slash"
+        },
+        {
+            "comment": "Lark ignore directive",
+            "match": "%ignore",
+            "name": "keyword.other"
+        },
+        {
+            "comment": "Lark import directive",
+            "match": "(%import) [a-z0-9]+.",
+            "captures": {
+                "1": {
+                    "name": "keyword.control"
+                }
+            }
+        },
+        {
+            "comment": "Lark (case-insensitive) string",
+            "match": "(\"(([^\"\\\\]|\\\\.)*)\")(i)?",
+            "captures": {
+                "1": {
+                    "name": "string.quoted.double"
+                },
+                "4": {
+                    "name": "storage.modifier"
+                }
+            }
+        },
+        {
+            "comment": "Lark *case-insensitive) regular expression",
+            "match": "(/([^/\\\\]|\\\\.)*/)(i)?",
+            "captures": {
+                "1": {
+                    "name": "string.regexp"
+                },
+                "3": {
+                    "name": "storage.modifier"
+                }
+            }
+        },
+        {
+            "comment": "Lark rule definition",
+            "match": "([a-z0-9_]+)",
+            "captures": {
+                "1": {
+                    "name": "support.variable"
+                }
+            }
+        },
+        {
+            "comment": "Lark terminal definition",
+            "match": "([A-Z0-9_]+)",
+            "captures": {
+                "1": {
+                    "name": "support.type"
+                }
+            }
+        },
+        {
+            "comment": "Lark optional alias",
+            "match": "->",
+            "name": "storage.modifier"
+        },
+        {
+            "comment": "Lark quantifier",
+            "match": "[\\?\\*\\+]",
+            "name": "storage.modifier"
+        },
+        {
+            "comment": "Lark or operator",
+            "match": "\\|",
+            "name": "keyword.operator"
+        }
+    ],
+    "scopeName": "source.lark"
+}