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src/hotspot/share/oops/symbol.hpp

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224   bool ends_with(char suffix_char) const {
225     return contains_byte_at(utf8_length() - 1, suffix_char);
226   }
227 
228   // Tests if the symbol contains the given utf8 substring
229   // at the given byte position.
230   bool contains_utf8_at(int position, const char* substring, int len) const {
231     assert(len >= 0 && substring != nullptr, "substring must be valid");
232     if (position < 0)  return false;  // can happen with ends_with
233     if (position + len > utf8_length()) return false;
234     return (memcmp((char*)base() + position, substring, len) == 0);
235   }
236 
237   // Tests if the symbol contains the given byte at the given position.
238   bool contains_byte_at(int position, char code_byte) const {
239     if (position < 0)  return false;  // can happen with ends_with
240     if (position >= utf8_length()) return false;
241     return code_byte == char_at(position);
242   }
243 









244   // Test if the symbol has the give substring at or after the i-th char.
245   int index_of_at(int i, const char* substr, int substr_len) const;
246 
247   // Three-way compare for sorting; returns -1/0/1 if receiver is </==/> than arg
248   // note that the ordering is not alfabetical
249   inline int fast_compare(const Symbol* other) const;
250 
251   // Returns receiver converted to null-terminated UTF-8 string; string is
252   // allocated in resource area, or in the char buffer provided by caller.
253   char* as_C_string() const;
254   char* as_C_string(char* buf, int size) const;
255 
256   // Returns an escaped form of a Java string.
257   char* as_quoted_ascii() const;
258 
259   // Returns a null terminated utf8 string in a resource array
260   char* as_utf8() const { return as_C_string(); }
261 
262   jchar* as_unicode(int& length) const;
263 

224   bool ends_with(char suffix_char) const {
225     return contains_byte_at(utf8_length() - 1, suffix_char);
226   }
227 
228   // Tests if the symbol contains the given utf8 substring
229   // at the given byte position.
230   bool contains_utf8_at(int position, const char* substring, int len) const {
231     assert(len >= 0 && substring != nullptr, "substring must be valid");
232     if (position < 0)  return false;  // can happen with ends_with
233     if (position + len > utf8_length()) return false;
234     return (memcmp((char*)base() + position, substring, len) == 0);
235   }
236 
237   // Tests if the symbol contains the given byte at the given position.
238   bool contains_byte_at(int position, char code_byte) const {
239     if (position < 0)  return false;  // can happen with ends_with
240     if (position >= utf8_length()) return false;
241     return code_byte == char_at(position);
242   }
243 
244   // True if this is a descriptor for a method with void return.
245   // (Assumes it is a valid descriptor.)
246   bool is_void_method_signature() const {
247     return starts_with('(') && ends_with('V');
248   }
249 
250   Symbol* fundamental_name(TRAPS);
251   bool is_same_fundamental_type(Symbol*) const;
252 
253   // Test if the symbol has the give substring at or after the i-th char.
254   int index_of_at(int i, const char* substr, int substr_len) const;
255 
256   // Three-way compare for sorting; returns -1/0/1 if receiver is </==/> than arg
257   // note that the ordering is not alfabetical
258   inline int fast_compare(const Symbol* other) const;
259 
260   // Returns receiver converted to null-terminated UTF-8 string; string is
261   // allocated in resource area, or in the char buffer provided by caller.
262   char* as_C_string() const;
263   char* as_C_string(char* buf, int size) const;
264 
265   // Returns an escaped form of a Java string.
266   char* as_quoted_ascii() const;
267 
268   // Returns a null terminated utf8 string in a resource array
269   char* as_utf8() const { return as_C_string(); }
270 
271   jchar* as_unicode(int& length) const;
272 
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