[TG-1058] Fixes parsing errors relating inner classes on generic classes

src/java_bytecode/java_types.h

@@ -90,7 +90,6 @@ class java_generic_parametert:public reference_typet
 {
 public:
   typedef symbol_typet type_variablet;
-  typedef std::vector<type_variablet> type_variablest;
 
   java_generic_parametert(
     const irep_idt &_type_var_name,
@@ -108,6 +107,8 @@ class java_generic_parametert:public reference_typet
     return type_variables().front();
   }
 
+private:
+  typedef std::vector<type_variablet> type_variablest;
   const type_variablest &type_variables() const
   {
     return (const type_variablest &)(find(ID_type_variables).get_sub());

src/java_bytecode/java_utils.cpp

@@ -214,9 +214,9 @@ size_t find_closing_delimiter(
 
   while(c_pos<=end_pos)
   {
-    if(src[c_pos]=='<')
+    if(src[c_pos] == open_char)
       depth++;
-    else if(src[c_pos]=='>')
+    else if(src[c_pos] == close_char)
     {
       if(depth==0)
         return c_pos;

unit/java_bytecode/java_bytecode_parse_generics/GenericClass.java

@@ -0,0 +1,109 @@
+public class GenericClass<T>
+{
+  class InnerClass
+  {
+  }
+
+  class GenericInnerClass<V>
+  {
+    V field;
+
+    class DoublyNestedInnerClass
+    {
+
+    }
+
+    class DoublyNestedInnerGenericClass<U>
+    {
+      T field;
+    }
+  }
+
+  class SameGenericParamInnerClass<T>
+  {
+    T field;
+  }
+
+  InnerClass field;
+  GenericInnerClass<Foo> field2;
+  GenericInnerClass<T> field3;
+
+  GenericInnerClass<Foo>.DoublyNestedInnerClass field4;
+  GenericInnerClass<T>.DoublyNestedInnerClass field5;
+
+  GenericInnerClass<Foo>.DoublyNestedInnerGenericClass<Foo> field6;
+  GenericInnerClass<T>.DoublyNestedInnerGenericClass<T> field7;
+
+  void method(InnerClass input)
+  {
+
+  }
+
+  void method2(InnerClass input, InnerClass input2)
+  {
+
+  }
+
+
+  void method3(GenericInnerClass<Foo> input)
+  {
+
+  }
+
+  void method4(GenericInnerClass<T> input)
+  {
+
+  }
+
+  void method5(GenericInnerClass<Foo>.DoublyNestedInnerClass input)
+  {
+
+  }
+
+  void method6(GenericInnerClass<T>.DoublyNestedInnerClass input)
+  {
+
+  }
+
+  void method7(GenericInnerClass<Foo>.DoublyNestedInnerGenericClass<Foo> input)
+  {
+
+  }
+
+  void method8(GenericInnerClass<T>.DoublyNestedInnerGenericClass<T> input)
+  {
+
+  }
+
+  InnerClass ret_method1()
+  {
+    return null;
+  }
+
+  GenericInnerClass<Foo> ret_method2()
+  {
+    return null;
+  }
+
+  GenericInnerClass<T> ret_method3()
+  {
+    return null;
+  }
+
+  GenericInnerClass<Foo>.DoublyNestedInnerClass ret_method4()
+  {
+    return null;
+  }
+  GenericInnerClass<T>.DoublyNestedInnerClass ret_method5()
+  {
+    return null;
+  }
+  GenericInnerClass<Foo>.DoublyNestedInnerGenericClass<Foo> ret_method6()
+  {
+    return null;
+  }
+  GenericInnerClass<T>.DoublyNestedInnerGenericClass<T> ret_method7()
+  {
+    return null;
+  }
+}