Initial LSP implementation/vscode support

newt-vscode-lsp/language-configuration.json

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+{
+  // see singleton in Tokenizer.idr
+  "wordPattern": "[^()\\{}\\[\\],.@\\s]+",
+  "comments": {
+    // symbol used for single line comment. Remove this entry if your language does not support line comments
+    "lineComment": "--",
+    // symbols used for start and end a block comment. Remove this entry if your language does not support block comments
+    "blockComment": ["/-", "-/"]
+  },
+  // symbols used as brackets
+  "brackets": [
+    ["{", "}"],
+    ["{{", "}}"],
+    ["[", "]"],
+    ["(", ")"]
+  ],
+  // symbols that are auto closed when typing
+  "autoClosingPairs": [
+    ["{", "}"],
+    ["[", "]"],
+    ["(", ")"],
+    ["\"", "\""],
+    // ["'", "'"],  causes problems with foo''
+    ["/-", "-/"]
+  ],
+  // symbols that can be used to surround a selection
+  "surroundingPairs": [
+    ["{", "}"],
+    ["[", "]"],
+    ["(", ")"],
+    ["\"", "\""],
+    ["'", "'"]
+  ],
+  "onEnterRules": [
+    {
+      "beforeText": "\\b(where|of|do)\\s*$",
+      "action": { "indent": "indent" }
+    },
+    {
+      "beforeText": "/-",
+      "afterText": "-/",
+      "action": {
+        "indent": "indentOutdent"
+      }
+    },
+    {
+      "beforeText": "^\\s+$",
+      "action": {
+        "indent": "outdent"
+      }
+    }
+  ]
+}