src/hotspot/share/runtime/signature.hpp

rev 54022 : 8220366: Optimize Symbol handling in ClassVerifier and SignatureStream
Reviewed-by: TBD

*** 88,98 ****
  
    // Constructors
    SignatureIterator(Symbol* signature);
  
    // Iteration
-   void dispatch_field();               // dispatches once for field signatures
    void iterate_parameters();           // iterates over parameters only
    void iterate_parameters( uint64_t fingerprint );
    void iterate_returntype();           // iterates over returntype only
    void iterate();                      // iterates over whole signature
    // Returns the word index of the current parameter;
--- 88,97 ----
*** 361,372 ****
    Symbol*      _signature;
    int          _begin;
    int          _end;
    BasicType    _type;
    bool         _at_return_type;
!   GrowableArray<Symbol*>* _names;  // symbols created while parsing signature
! 
   public:
    bool at_return_type() const                    { return _at_return_type; }
    bool is_done() const;
    void next_non_primitive(int t);
    void next() {
--- 360,371 ----
    Symbol*      _signature;
    int          _begin;
    int          _end;
    BasicType    _type;
    bool         _at_return_type;
!   Symbol*      _previous_name;     // cache the previously looked up symbol to avoid lookups
!   GrowableArray<Symbol*>* _names;  // symbols created while parsing that need to be dereferenced
   public:
    bool at_return_type() const                    { return _at_return_type; }
    bool is_done() const;
    void next_non_primitive(int t);
    void next() {
*** 400,410 ****
  
    bool is_object() const;                        // True if this argument is an object
    bool is_array() const;                         // True if this argument is an array
    BasicType type() const                         { return _type; }
    Symbol* as_symbol(TRAPS);
!   enum FailureMode { ReturnNull, CNFException, NCDFError };
    Klass* as_klass(Handle class_loader, Handle protection_domain, FailureMode failure_mode, TRAPS);
    oop as_java_mirror(Handle class_loader, Handle protection_domain, FailureMode failure_mode, TRAPS);
    const u1* raw_bytes()  { return _signature->bytes() + _begin; }
    int       raw_length() { return _end - _begin; }
  
--- 399,409 ----
  
    bool is_object() const;                        // True if this argument is an object
    bool is_array() const;                         // True if this argument is an array
    BasicType type() const                         { return _type; }
    Symbol* as_symbol(TRAPS);
!   enum FailureMode { ReturnNull, NCDFError };
    Klass* as_klass(Handle class_loader, Handle protection_domain, FailureMode failure_mode, TRAPS);
    oop as_java_mirror(Handle class_loader, Handle protection_domain, FailureMode failure_mode, TRAPS);
    const u1* raw_bytes()  { return _signature->bytes() + _begin; }
    int       raw_length() { return _end - _begin; }
  
*** 421,431 ****
      static bool is_valid_signature(Symbol* sig);
  
      static bool is_valid_method_signature(Symbol* sig);
      static bool is_valid_type_signature(Symbol* sig);
    private:
- 
      static ssize_t is_valid_type(const char*, ssize_t);
-     static bool invalid_name_char(char);
  };
  
  #endif // SHARE_RUNTIME_SIGNATURE_HPP
--- 420,428 ----