Fully support ES6 export declaration with estree spec

Already tested with test/es6-export.coffee.
Ref #51

package.json

@@ -21,8 +21,8 @@
   "dependencies": {
     "es6-map": "^0.1.1",
     "es6-weak-map": "^0.1.2",
-    "esrecurse": "^1.2.0",
-    "estraverse": "^1.9.1"
+    "esrecurse": "^2.0.0",
+    "estraverse": "^2.0.0"
   },
   "devDependencies": {
     "browserify": "^9.0.3",

src/referencer.js

@@ -559,7 +559,7 @@ export default class Referencer extends esrecurse.Visitor {
         importer.visit(node);
     }
 
-    ExportDeclaration(node) {
+    visitExportDeclaration(node) {
         if (node.source) {
             return;
         }
@@ -571,8 +571,17 @@ export default class Referencer extends esrecurse.Visitor {
         this.visitChildren(node);
     }
 
+    ExportDeclaration(node) {
+        this.visitExportDeclaration(node);
+    }
+
+    ExportNamedDeclaration(node) {
+        this.visitExportDeclaration(node);
+    }
+
     ExportSpecifier(node) {
-        this.visit(node.id);
+        let local = (node.id || node.local);
+        this.visit(local);
     }
 }
 

test/es6-export.coffee

@@ -22,13 +22,13 @@
 #  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 expect = require('chai').expect
-harmony = require '../third_party/esprima'
+espree = require '../third_party/espree'
 escope = require '..'
 
 describe 'export declaration', ->
     # http://people.mozilla.org/~jorendorff/es6-draft.html#sec-static-and-runtme-semantics-module-records
     it 'should create vairable bindings', ->
-        ast = harmony.parse """
+        ast = espree """
         export var v;
         """, sourceType: 'module'
 
@@ -47,7 +47,7 @@ describe 'export declaration', ->
         expect(scope.references).to.have.length 0
 
     it 'should create function declaration bindings', ->
-        ast = harmony.parse """
+        ast = espree """
         export default function f(){};
         """, sourceType: 'module'
 
@@ -73,7 +73,7 @@ describe 'export declaration', ->
 
 
     it 'should export function expression', ->
-        ast = harmony.parse """
+        ast = espree """
         export default function(){};
         """, sourceType: 'module'
 
@@ -96,7 +96,7 @@ describe 'export declaration', ->
         expect(scope.references).to.have.length 0
 
     it 'should export literal', ->
-        ast = harmony.parse """
+        ast = espree """
         export default 42;
         """, sourceType: 'module'
 
@@ -113,7 +113,7 @@ describe 'export declaration', ->
         expect(scope.references).to.have.length 0
 
     it 'should refer exported references#1', ->
-        ast = harmony.parse """
+        ast = espree """
         export {x};
         """, sourceType: 'module'
 
@@ -131,7 +131,7 @@ describe 'export declaration', ->
         expect(scope.references[0].identifier.name).to.be.equal 'x'
 
     it 'should refer exported references#2', ->
-        ast = harmony.parse """
+        ast = espree """
         export {v as x};
         """, sourceType: 'module'
 
@@ -149,7 +149,7 @@ describe 'export declaration', ->
         expect(scope.references[0].identifier.name).to.be.equal 'v'
 
     it 'should not refer exported references from other source#1', ->
-        ast = harmony.parse """
+        ast = espree """
         export {x} from "mod";
         """, sourceType: 'module'
 
@@ -163,10 +163,11 @@ describe 'export declaration', ->
         scope = scopeManager.scopes[1]
         expect(scope.type).to.be.equal 'module'
         expect(scope.variables).to.have.length 0
+        console.log(scope.references)
         expect(scope.references).to.have.length 0
 
     it 'should not refer exported references from other source#2', ->
-        ast = harmony.parse """
+        ast = espree """
         export {v as x} from "mod";
         """, sourceType: 'module'
 
@@ -183,7 +184,7 @@ describe 'export declaration', ->
         expect(scope.references).to.have.length 0
 
     it 'should not refer exported references from other source#3', ->
-        ast = harmony.parse """
+        ast = espree """
         export * from "mod";
         """, sourceType: 'module'