src/hotspot/share/oops/symbol.cpp

*** 85,94 ****
--- 85,137 ----
    }
    assert(len == -1, "we should be at the beginning");
    return true;
  }
  
+ bool Symbol::is_Q_signature() const {
+   return utf8_length() > 2 && char_at(0) == 'Q' && char_at(utf8_length() - 1) == ';';
+ }
+ 
+ Symbol* Symbol::fundamental_name(TRAPS) {
+   if ((char_at(0) == 'Q' || char_at(0) == 'L') && char_at(utf8_length() - 1) == ';') {
+     return SymbolTable::lookup(this, 1, utf8_length() - 1, CHECK_NULL);
+   } else {
+     // reference count is incremented to be consistent with the behavior with
+     // the SymbolTable::lookup() call above
+     this->increment_refcount();
+     return this;
+   }
+ }
+ 
+ bool Symbol::is_same_fundamental_type(Symbol* s) const {
+   if (this == s) return true;
+   if (utf8_length() < 3) return false;
+   int offset1, offset2, len;
+   if (char_at(utf8_length() - 1) == ';') {
+     if (char_at(0) != 'Q' && char_at(0) != 'L') return false;
+     offset1 = 1;
+     len = utf8_length() - 2;
+   } else {
+     offset1 = 0;
+     len = utf8_length();
+   }
+   if (s->char_at(s->utf8_length() - 1) == ';') {
+     if (s->char_at(0) != 'Q' && s->char_at(0) != 'L') return false;
+     offset2 = 1;
+   } else {
+     offset2 = 0;
+   }
+   if ((offset2 + len) > s->utf8_length()) return false;
+   if ((utf8_length() - offset1 * 2) != (s->utf8_length() - offset2 * 2))
+     return false;
+   int l = len;
+   while (l-- > 0) {
+     if (char_at(offset1 + l) != s->char_at(offset2 + l))
+       return false;
+   }
+   return true;
+ }
  
  // ------------------------------------------------------------------
  // Symbol::index_of
  //
  // Finds if the given string is a substring of this symbol's utf8 bytes.
*** 304,310 ****
--- 347,365 ----
  
    jbyte* bytes = (jbyte*) s->bytes();
    return os::is_readable_range(bytes, bytes + len);
  }
  
+ void Symbol::print_Qvalue_on(outputStream* st) const {
+   if (this == NULL) {
+     st->print("NULL");
+   } else {
+     st->print("'Q");
+     for (int i = 0; i < utf8_length(); i++) {
+       st->print("%c", char_at(i));
+     }
+     st->print(";'");
+   }
+ }
+ 
  // SymbolTable prints this in its statistics
  NOT_PRODUCT(size_t Symbol::_total_count = 0;)