glayzzle#95 test & fix constant missing names

Author: ichiriac

src/parser/class.js

@@ -182,10 +182,14 @@ module.exports = {
          * @return {Constant} [:link:](AST.md#constant)
          */
         function read_constant_declaration() {
-          var result = this.node('classconstant'), name = null, value = null;
+          var result = this.node('classconstant'), 
+            name = null, 
+            value = null;
           if (this.token === this.tok.T_STRING || this.is('IDENTIFIER')) {
             name = this.text();
             this.next();
+          } else {
+            this.expect('IDENTIFIER');
           }
           if (this.expect('=')) {
             value =  this.next().read_expr();

test/classTests.js

@@ -156,6 +156,21 @@ describe('Test classes', function() {
       method.body.children[0].expr.offset.name.should.be.exactly('list');
     });
 
+    it('test fallback on constant names', function() {
+      var ast = parser.parseEval(
+        [
+          'class foo {',
+          '  const = true;',
+          '}'
+        ].join('\n'), {
+          parser: {
+            suppressErrors: true
+          }
+        }
+      );
+      (ast.children[0].body[0].name === null).should.be.true('constant name should be true');
+      ast.errors.length.should.be.exactly(1);
+    });
   });
 
   describe('Advanced tests', function() {