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src/share/vm/classfile/javaClasses.hpp

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 136   static unsigned int hash(oop java_string) {
 137     assert(initialized && (hash_offset > 0), "Must be initialized");
 138     assert(is_instance(java_string), "must be java_string");
 139     return java_string->int_field(hash_offset);
 140   }
 141   static int offset(oop java_string) {
 142     assert(initialized, "Must be initialized");
 143     assert(is_instance(java_string), "must be java_string");
 144     if (offset_offset > 0) {
 145       return java_string->int_field(offset_offset);
 146     } else {
 147       return 0;
 148     }
 149   }
 150   static int length(oop java_string) {
 151     assert(initialized, "Must be initialized");
 152     assert(is_instance(java_string), "must be java_string");
 153     if (count_offset > 0) {
 154       return java_string->int_field(count_offset);
 155     } else {
 156       return ((typeArrayOop)java_string->obj_field(value_offset))->length();

 157     }
 158   }
 159   static int utf8_length(oop java_string);
 160 
 161   // String converters
 162   static char*  as_utf8_string(oop java_string);
 163   static char*  as_utf8_string(oop java_string, char* buf, int buflen);
 164   static char*  as_utf8_string(oop java_string, int start, int len);
 165   static char*  as_platform_dependent_str(Handle java_string, TRAPS);
 166   static jchar* as_unicode_string(oop java_string, int& length, TRAPS);
 167   // produce an ascii string with all other values quoted using \u####
 168   static char*  as_quoted_ascii(oop java_string);
 169 
 170   // Compute the hash value for a java.lang.String object which would
 171   // contain the characters passed in.
 172   //
 173   // As the hash value used by the String object itself, in
 174   // String.hashCode().  This value is normally calculated in Java code
 175   // in the String.hashCode method(), but is precomputed for String
 176   // objects in the shared archive file.




 136   static unsigned int hash(oop java_string) {
 137     assert(initialized && (hash_offset > 0), "Must be initialized");
 138     assert(is_instance(java_string), "must be java_string");
 139     return java_string->int_field(hash_offset);
 140   }
 141   static int offset(oop java_string) {
 142     assert(initialized, "Must be initialized");
 143     assert(is_instance(java_string), "must be java_string");
 144     if (offset_offset > 0) {
 145       return java_string->int_field(offset_offset);
 146     } else {
 147       return 0;
 148     }
 149   }
 150   static int length(oop java_string) {
 151     assert(initialized, "Must be initialized");
 152     assert(is_instance(java_string), "must be java_string");
 153     if (count_offset > 0) {
 154       return java_string->int_field(count_offset);
 155     } else {
 156       oop value = java_string->obj_field(value_offset);
 157       return ((typeArrayOop) value)->length();
 158     }
 159   }
 160   static int utf8_length(oop java_string);
 161 
 162   // String converters
 163   static char*  as_utf8_string(oop java_string);
 164   static char*  as_utf8_string(oop java_string, char* buf, int buflen);
 165   static char*  as_utf8_string(oop java_string, int start, int len);
 166   static char*  as_platform_dependent_str(Handle java_string, TRAPS);
 167   static jchar* as_unicode_string(oop java_string, int& length, TRAPS);
 168   // produce an ascii string with all other values quoted using \u####
 169   static char*  as_quoted_ascii(oop java_string);
 170 
 171   // Compute the hash value for a java.lang.String object which would
 172   // contain the characters passed in.
 173   //
 174   // As the hash value used by the String object itself, in
 175   // String.hashCode().  This value is normally calculated in Java code
 176   // in the String.hashCode method(), but is precomputed for String
 177   // objects in the shared archive file.


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