pogen: add another example and syntax tree visualizer

pogen/dumpTree.ts

@@ -0,0 +1,51 @@
+/*
+ This file is part of TALER
+ (C) 2016 GNUnet e.V.
+
+ TALER is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+
+/**
+ * Print the syntax tree of a TypeScript program.
+ *
+ * @author Florian Dold
+ */
+
+/// <reference path="../lib/decl/node.d.ts" />
+
+"use strict";
+
+import {readFileSync} from "fs";
+import {execSync} from "child_process";
+import * as ts from "typescript";
+
+
+export function processFile(sourceFile: ts.SourceFile) {
+  processNode(sourceFile);
+
+  function processNode(node: ts.Node, level=0) {
+    let indent = "";
+    for (let i = 0; i < level; i++) {
+      indent = indent + " ";
+    }
+    console.log(indent + ts.SyntaxKind[node.kind]);
+    ts.forEachChild(node, (n) => processNode(n, level+1));
+  }
+}
+
+const fileNames = process.argv.slice(2);
+
+fileNames.forEach(fileName => {
+  let sourceFile = ts.createSourceFile(fileName, readFileSync(fileName).toString(), ts.ScriptTarget.ES6, /*setParentNodes */ true);
+  processFile(sourceFile);
+});

pogen/example/test2.tsx

@@ -0,0 +1 @@
+let y = <div>a{b}c</div>