feat (framework): new nearley framework

santanche · Aug 18, 2023 · a6e9464 · a6e9464
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diff --git a/frameworks/nearley/README.md b/frameworks/nearley/README.md
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+---
+permalink: /frameworks/nearley/
+layout: single
+---
+
+Nearley
+=======
+
+[Nearley](https://nearley.js.org/) .
+
+~~~
+npm install nearley
+npx nearleyc grammar/01-basic.ne -o js/01-basic.js
+~~~
diff --git a/frameworks/nearley/grammar/01-basic.ne b/frameworks/nearley/grammar/01-basic.ne
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+main -> (statement "\n"):+
+statement -> "foo" | "bar"
diff --git a/frameworks/nearley/js/01-basic-app.js b/frameworks/nearley/js/01-basic-app.js
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+// Create a Parser object from our grammar.
+const parser = new nearley.Parser(nearley.Grammar.fromCompiled(grammar));
+
+// Parse something!
+parser.feed("foo\n");
+
+// parser.results is an array of possible parsings.
+console.log(JSON.stringify(parser.results)); // [[[[["foo"],"\n"]]]]
diff --git a/frameworks/nearley/js/01-basic.js b/frameworks/nearley/js/01-basic.js
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+// Generated automatically by nearley, version 2.20.1
+// http://github.com/Hardmath123/nearley
+(function () {
+function id(x) { return x[0]; }
+var grammar = {
+    Lexer: undefined,
+    ParserRules: [
+    {"name": "main$ebnf$1$subexpression$1", "symbols": ["statement", {"literal":"\n"}]},
+    {"name": "main$ebnf$1", "symbols": ["main$ebnf$1$subexpression$1"]},
+    {"name": "main$ebnf$1$subexpression$2", "symbols": ["statement", {"literal":"\n"}]},
+    {"name": "main$ebnf$1", "symbols": ["main$ebnf$1", "main$ebnf$1$subexpression$2"], "postprocess": function arrpush(d) {return d[0].concat([d[1]]);}},
+    {"name": "main", "symbols": ["main$ebnf$1"]},
+    {"name": "statement$string$1", "symbols": [{"literal":"f"}, {"literal":"o"}, {"literal":"o"}], "postprocess": function joiner(d) {return d.join('');}},
+    {"name": "statement", "symbols": ["statement$string$1"]},
+    {"name": "statement$string$2", "symbols": [{"literal":"b"}, {"literal":"a"}, {"literal":"r"}], "postprocess": function joiner(d) {return d.join('');}},
+    {"name": "statement", "symbols": ["statement$string$2"]}
+]
+  , ParserStart: "main"
+}
+if (typeof module !== 'undefined'&& typeof module.exports !== 'undefined') {
+   module.exports = grammar;
+} else {
+   window.grammar = grammar;
+}
+})();
diff --git a/frameworks/nearley/js/index.html b/frameworks/nearley/js/index.html
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+<!doctype html>
+<html lang="en">
+  <head>
+    <title>Basic Example</title>
+    <script src="https://cdn.jsdelivr.net/npm/nearley@2.20.1/lib/nearley.min.js"></script>
+    <script src="01-basic.js"></script>
+  </head>
+  <body>
+    <script src="01-basic-app.js"></script>
+  </body>
+</html>
diff --git a/frameworks/nearley/package-lock.json b/frameworks/nearley/package-lock.json
diff --git a/frameworks/nearley/package.json b/frameworks/nearley/package.json
@@ -0,0 +1,5 @@
+{
+  "dependencies": {
+    "nearley": "^2.20.1"
+  }
+}