[Pkg-javascript-commits] [node-asn1.js] 13/202: base: better error reporting in encoder

[Bastien Roucariès]

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rouca pushed a commit to branch master
in repository node-asn1.js.

commit 38ebb91c99c839e3cac1595d6d3e2e75fdabd649
Author: Fedor Indutny <fedor.indutny at gmail.com>
Date:   Sun Dec 1 23:20:40 2013 +0400

    base: better error reporting in encoder
---
 lib/asn1/base/node.js | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/lib/asn1/base/node.js b/lib/asn1/base/node.js
index 4a30f64..e2a7dff 100644
--- a/lib/asn1/base/node.js
+++ b/lib/asn1/base/node.js
@@ -360,12 +360,12 @@ Node.prototype._decodeChoice = function decodeChoice(input, obj) {
 // Encoding
 //
 
-Node.prototype._encode = function encode(data) {
+Node.prototype._encode = function encode(data, path) {
   var state = this._baseState;
 
   // Decode root node
   if (state.parent === null)
-    return state.children[0]._encode(data);
+    return state.children[0]._encode(data, '');
 
   var result = null;
   var present = true;
@@ -387,7 +387,12 @@ Node.prototype._encode = function encode(data) {
   } else if (state.children) {
     content = state.children.map(function(child) {
       assert(child._baseState.key, 'Child should have a key');
-      return child._encode(data[child._baseState.key]);
+      var newpath = path + '.' + child._baseState.key;
+      try {
+        return child._encode(data[child._baseState.key], newpath);
+      } catch (e) {
+        throw new Error('Failed to encode: ' + newpath + '\n' + e.stack);
+      }
     }, this).filter(function(child) {
       return child;
     });

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