Completed fixes. Passes all tests.

cpp/CPP14Parser.g4

@@ -630,7 +630,7 @@ memberDeclaratorList:
 	memberDeclarator (Comma memberDeclarator)*;
 
 memberDeclarator:
-    declarator (virtualSpecifierSeq | { IsPureSpecifierAllowed() }? pureSpecifier | { IsPureSpecifierAllowed() }? virtualSpecifierSeq pureSpecifier | braceOrEqualInitializer)
+    declarator (virtualSpecifierSeq | { this.IsPureSpecifierAllowed() }? pureSpecifier | { this.IsPureSpecifierAllowed() }? virtualSpecifierSeq pureSpecifier | braceOrEqualInitializer)
     | declarator
     | Identifier? attributeSpecifierSeq? Colon constantExpression
     ;

cpp/Dart/CPP14ParserBase.dart

@@ -0,0 +1,28 @@
+import 'package:antlr4/antlr4.dart';
+import 'dart:io';
+import 'dart:convert';
+import 'CPP14Parser.dart';
+
+abstract class CPP14ParserBase extends Parser
+{
+    CPP14ParserBase(TokenStream input) : super(input)
+    {
+    }
+
+    bool IsPureSpecifierAllowed()
+    {
+        try
+        {
+            var x = this.context; // memberDeclarator
+            var c = x?.getChild(0)?.getChild(0);
+            var c2 = c?.getChild(0);
+            var p = c2?.getChild(1);
+            if (p == null) return false;
+            return p.runtimeType == ParametersAndQualifiersContext;
+        }
+        catch (e)
+        {
+        }
+        return false;
+    }
+}

cpp/Java/CPP14ParserBase.java

@@ -18,7 +18,7 @@ protected boolean IsPureSpecifierAllowed()
 	    if (p == null) return false;
 	    return (p instanceof CPP14Parser.ParametersAndQualifiersContext);
 	}
-	catch
+	catch (Exception e)
 	{
 	}
 	return false;

cpp/JavaScript/CPP14ParserBase.js

@@ -0,0 +1,20 @@
+import antlr4 from 'antlr4';
+import CPP14Parser from './CPP14Parser.js';
+
+export default class CPP14ParserBase extends antlr4.Parser {
+    constructor(input) {
+        super(input);
+    }
+
+    IsPureSpecifierAllowed() {
+        try {
+            var x = this._ctx; // memberDeclarator
+            var c = x.getChild(0).getChild(0);
+            var c2 = c.getChild(0);
+            var p = c2.getChild(1);
+            return p.constructor === CPP14Parser.ParametersAndQualifiersContext;
+        } catch (e) {
+        }
+        return false;
+    }
+}