From b719e68907d3e331d1ad3b2ef9cffd7173538528 Mon Sep 17 00:00:00 2001
From: Jeff Williams <jeffrey.l.williams@gmail.com>
Date: Tue, 4 Jul 2017 15:49:02 -0700
Subject: [PATCH] parse do expressions

---
 lib/jsdoc/src/astbuilder.js | 2 ++
 lib/jsdoc/src/syntax.js     | 1 +
 lib/jsdoc/src/walker.js     | 4 ++++
 3 files changed, 7 insertions(+)

diff --git a/lib/jsdoc/src/astbuilder.js b/lib/jsdoc/src/astbuilder.js
index f21303f0..4c5cae4c 100644
--- a/lib/jsdoc/src/astbuilder.js
+++ b/lib/jsdoc/src/astbuilder.js
@@ -8,6 +8,7 @@ var parserOptions = exports.parserOptions = {
     ranges: true,
     sourceType: 'module',
     plugins: [
+        'doExpressions',
         'estree',
         'jsx',
         'objectRestSpread'
@@ -22,6 +23,7 @@ function parse(source, filename) {
 
     try {
         ast = babylon.parse(source, parserOptions);
+        // console.log(JSON.stringify(ast, null, 2));
     }
     catch (e) {
         logger.error('Unable to parse %s: %s', filename, e.message);
diff --git a/lib/jsdoc/src/syntax.js b/lib/jsdoc/src/syntax.js
index 86cbc9b5..f8bc1bc3 100644
--- a/lib/jsdoc/src/syntax.js
+++ b/lib/jsdoc/src/syntax.js
@@ -21,6 +21,7 @@ exports.Syntax = {
     ConditionalExpression: 'ConditionalExpression',
     ContinueStatement: 'ContinueStatement',
     DebuggerStatement: 'DebuggerStatement',
+    DoExpression: 'DoExpression',
     DoWhileStatement: 'DoWhileStatement',
     EmptyStatement: 'EmptyStatement',
     ExperimentalRestProperty: 'ExperimentalRestProperty',
diff --git a/lib/jsdoc/src/walker.js b/lib/jsdoc/src/walker.js
index a90aa5c5..63e322e7 100644
--- a/lib/jsdoc/src/walker.js
+++ b/lib/jsdoc/src/walker.js
@@ -179,6 +179,10 @@ walkers[Syntax.ContinueStatement] = leafNode;
 
 walkers[Syntax.DebuggerStatement] = leafNode;
 
+walkers[Syntax.DoExpression] = function(node, parent, state, cb) {
+    cb(node.body, node, state);
+};
+
 walkers[Syntax.DoWhileStatement] = function(node, parent, state, cb) {
     cb(node.test, node, state);
     cb(node.body, node, state);