src/vmcore/utf8.h

   1 /* src/vmcore/utf8.h - utf8 string functions
   2
   3    Copyright (C) 1996-2005, 2006, 2007, 2008
   4    CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
   5
   6    This file is part of CACAO.
   7
   8    This program is free software; you can redistribute it and/or
   9    modify it under the terms of the GNU General Public License as
  10    published by the Free Software Foundation; either version 2, or (at
  11    your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful, but
  14    WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16    General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  21    02110-1301, USA.
  22
  23 */
  24
  25
  26 #ifndef _UTF_H
  27 #define _UTF_H
  28
  29 /* forward typedefs ***********************************************************/
  30
  31 typedef struct utf utf;
  32
  33 #include "config.h"
  34
  35 #include <stdio.h>
  36
  37 #include "vm/types.h"
  38
  39 #include "vm/global.h"
  40
  41
  42 /* data structure for utf8 symbols ********************************************/
  43
  44 struct utf {
  45         utf  *hashlink;                     /* link for external hash chain       */
  46         s4    blength;                      /* text length in bytes               */
  47         char *text;                         /* pointer to text                    */
  48 };
  49
  50 /* to determine the end of utf strings */
  51
  52 #define UTF_END(u)    ((char *) u->text + u->blength)
  53
  54
  55 /* utf-symbols for pointer comparison of frequently used strings **************/
  56
  57 extern utf *utf_java_lang_Object;
  58
  59 extern utf *utf_java_lang_Class;
  60 extern utf *utf_java_lang_ClassLoader;
  61 extern utf *utf_java_lang_Cloneable;
  62 extern utf *utf_java_lang_SecurityManager;
  63 extern utf *utf_java_lang_String;
  64 extern utf *utf_java_lang_ThreadGroup;
  65 extern utf *utf_java_lang_ref_SoftReference;
  66 extern utf *utf_java_lang_ref_WeakReference;
  67 extern utf *utf_java_lang_ref_PhantomReference;
  68 extern utf *utf_java_io_Serializable;
  69
  70 extern utf *utf_java_lang_Throwable;
  71 extern utf *utf_java_lang_Error;
  72
  73 extern utf *utf_java_lang_AbstractMethodError;
  74 extern utf *utf_java_lang_ClassCircularityError;
  75 extern utf *utf_java_lang_ClassFormatError;
  76 extern utf *utf_java_lang_ExceptionInInitializerError;
  77 extern utf *utf_java_lang_IncompatibleClassChangeError;
  78 extern utf *utf_java_lang_InstantiationError;
  79 extern utf *utf_java_lang_InternalError;
  80 extern utf *utf_java_lang_LinkageError;
  81 extern utf *utf_java_lang_NoClassDefFoundError;
  82 extern utf *utf_java_lang_NoSuchFieldError;
  83 extern utf *utf_java_lang_NoSuchMethodError;
  84 extern utf *utf_java_lang_OutOfMemoryError;
  85 extern utf *utf_java_lang_UnsatisfiedLinkError;
  86 extern utf *utf_java_lang_UnsupportedClassVersionError;
  87 extern utf *utf_java_lang_VerifyError;
  88 extern utf *utf_java_lang_VirtualMachineError;
  89
  90 extern utf *utf_java_lang_Exception;
  91
  92 extern utf *utf_java_lang_ArithmeticException;
  93 extern utf *utf_java_lang_ArrayIndexOutOfBoundsException;
  94 extern utf *utf_java_lang_ArrayStoreException;
  95 extern utf *utf_java_lang_ClassCastException;
  96 extern utf *utf_java_lang_ClassNotFoundException;
  97 extern utf *utf_java_lang_CloneNotSupportedException;
  98 extern utf *utf_java_lang_IllegalAccessException;
  99 extern utf *utf_java_lang_IllegalArgumentException;
 100 extern utf *utf_java_lang_IllegalMonitorStateException;
 101 extern utf *utf_java_lang_InstantiationException;
 102 extern utf *utf_java_lang_InterruptedException;
 103 extern utf *utf_java_lang_NegativeArraySizeException;
 104 extern utf *utf_java_lang_NullPointerException;
 105 extern utf *utf_java_lang_StringIndexOutOfBoundsException;
 106
 107 extern utf *utf_java_lang_reflect_InvocationTargetException;
 108
 109 extern utf *utf_java_security_PrivilegedActionException;
 110
 111 #if defined(ENABLE_JAVASE)
 112 extern utf* utf_java_lang_Void;
 113 #endif
 114
 115 extern utf* utf_java_lang_Boolean;
 116 extern utf* utf_java_lang_Byte;
 117 extern utf* utf_java_lang_Character;
 118 extern utf* utf_java_lang_Short;
 119 extern utf* utf_java_lang_Integer;
 120 extern utf* utf_java_lang_Long;
 121 extern utf* utf_java_lang_Float;
 122 extern utf* utf_java_lang_Double;
 123
 124 #if defined(ENABLE_JAVASE)
 125 extern utf *utf_java_lang_StackTraceElement;
 126 extern utf *utf_java_lang_reflect_Constructor;
 127 extern utf *utf_java_lang_reflect_Field;
 128 extern utf *utf_java_lang_reflect_Method;
 129 extern utf *utf_java_util_Vector;
 130 #endif
 131
 132 extern utf *utf_InnerClasses;
 133 extern utf *utf_ConstantValue;
 134 extern utf *utf_Code;
 135 extern utf *utf_Exceptions;
 136 extern utf *utf_LineNumberTable;
 137 extern utf *utf_SourceFile;
 138
 139 #if defined(ENABLE_JAVASE)
 140 extern utf *utf_EnclosingMethod;
 141 extern utf *utf_Signature;
 142 extern utf *utf_StackMapTable;
 143
 144 #if defined(ENABLE_ANNOTATIONS)
 145 extern utf *utf_RuntimeVisibleAnnotations;
 146 extern utf *utf_RuntimeInvisibleAnnotations;
 147 extern utf *utf_RuntimeVisibleParameterAnnotations;
 148 extern utf *utf_RuntimeInvisibleParameterAnnotations;
 149 extern utf *utf_AnnotationDefault;
 150 #endif
 151 #endif
 152
 153 extern utf *utf_init;
 154 extern utf *utf_clinit;
 155 extern utf *utf_clone;
 156 extern utf *utf_finalize;
 157 extern utf *utf_main;
 158 extern utf *utf_run;
 159
 160 extern utf *utf_add;
 161 extern utf *utf_remove;
 162 extern utf *utf_addThread;
 163 extern utf *utf_removeThread;
 164 extern utf *utf_put;
 165 extern utf *utf_get;
 166 extern utf *utf_uncaughtException;
 167 extern utf *utf_value;
 168
 169 extern utf *utf_fillInStackTrace;
 170 extern utf *utf_findNative;
 171 extern utf *utf_getSystemClassLoader;
 172 extern utf *utf_initCause;
 173 extern utf *utf_loadClass;
 174 extern utf *utf_loadClassInternal;
 175 extern utf *utf_printStackTrace;
 176
 177 extern utf *utf_division_by_zero;
 178
 179 extern utf *utf_Z;
 180 extern utf *utf_B;
 181 extern utf *utf_C;
 182 extern utf *utf_S;
 183 extern utf *utf_I;
 184 extern utf *utf_J;
 185 extern utf *utf_F;
 186 extern utf *utf_D;
 187
 188 extern utf *utf_void__void;
 189 extern utf *utf_boolean__void;
 190 extern utf *utf_byte__void;
 191 extern utf *utf_char__void;
 192 extern utf *utf_short__void;
 193 extern utf *utf_int__void;
 194 extern utf *utf_long__void;
 195 extern utf *utf_float__void;
 196 extern utf *utf_double__void;
 197
 198 extern utf *utf_void__java_lang_ClassLoader;
 199 extern utf *utf_void__java_lang_Object;
 200 extern utf *utf_void__java_lang_Throwable;
 201 extern utf *utf_java_lang_ClassLoader_java_lang_String__J;
 202 extern utf *utf_java_lang_Exception__V;
 203 extern utf *utf_java_lang_Object__java_lang_Object;
 204 extern utf *utf_java_lang_String__void;
 205 extern utf *utf_java_lang_String__java_lang_Class;
 206 extern utf *utf_java_lang_Thread__V;
 207 extern utf *utf_java_lang_Thread_java_lang_Throwable__V;
 208 extern utf *utf_Ljava_lang_ThreadGroup_Ljava_lang_String__V;
 209 extern utf *utf_java_lang_Throwable__void;
 210 extern utf *utf_java_lang_Throwable__java_lang_Throwable;
 211
 212 extern utf *utf_not_named_yet;
 213 extern utf *utf_null;
 214 extern utf *array_packagename;
 215
 216
 217 /* function prototypes ********************************************************/
 218
 219 /* initialize the utf8 subsystem */
 220 void utf8_init(void);
 221
 222 u4 utf_hashkey(const char *text, u4 length);
 223 u4 utf_full_hashkey(const char *text, u4 length);
 224
 225 /* determine hashkey of a unicode-symbol */
 226 u4 unicode_hashkey(u2 *text, u2 length);
 227
 228 /* create new utf-symbol */
 229 utf *utf_new(const char *text, u2 length);
 230
 231 /* make utf symbol from u2 array */
 232 utf *utf_new_u2(u2 *unicodedata, u4 unicodelength, bool isclassname);
 233
 234 utf *utf_new_char(const char *text);
 235 utf *utf_new_char_classname(const char *text);
 236
 237 /* get number of bytes */
 238 u4 utf_bytes(utf *u);
 239
 240 /* get next unicode character of a utf-string */
 241 u2 utf_nextu2(char **utf);
 242
 243 /* get (number of) unicode characters of a utf string (safe) */
 244 s4 utf8_safe_number_of_u2s(const char *text, s4 nbytes);
 245 void utf8_safe_convert_to_u2s(const char *text, s4 nbytes, u2 *buffer);
 246
 247 /* get (number of) unicode characters of a utf string (UNSAFE!) */
 248 u4 utf_get_number_of_u2s(utf *u);
 249 u4 utf_get_number_of_u2s_for_buffer(const char *buffer, u4 blength);
 250
 251 /* determine utf length in bytes of a u2 array */
 252 u4 u2_utflength(u2 *text, u4 u2_length);
 253
 254 void utf_copy(char *buffer, utf *u);
 255 void utf_cat(char *buffer, utf *u);
 256 void utf_copy_classname(char *buffer, utf *u);
 257 void utf_cat_classname(char *buffer, utf *u);
 258
 259 /* write utf symbol to file/buffer */
 260 void utf_display_printable_ascii(utf *u);
 261 void utf_display_printable_ascii_classname(utf *u);
 262
 263 void utf_sprint_convert_to_latin1(char *buffer, utf *u);
 264 void utf_sprint_convert_to_latin1_classname(char *buffer, utf *u);
 265
 266 void utf_strcat_convert_to_latin1(char *buffer, utf *u);
 267 void utf_strcat_convert_to_latin1_classname(char *buffer, utf *u);
 268
 269 void utf_fprint_printable_ascii(FILE *file, utf *u);
 270 void utf_fprint_printable_ascii_classname(FILE *file, utf *u);
 271
 272 /* check if a UTF-8 string is valid */
 273 bool is_valid_utf(char *utf_ptr, char *end_pos);
 274
 275 /* check if a UTF-8 string may be used as a class/field/method name */
 276 bool is_valid_name(char *utf_ptr, char *end_pos);
 277 bool is_valid_name_utf(utf *u);
 278
 279 /* show utf-table */
 280 void utf_show(void);
 281
 282 #endif /* _UTF_H */
 283
 284
 285 /*
 286  * These are local overrides for various environment variables in Emacs.
 287  * Please do not remove this and leave it at the end of the file, where
 288  * Emacs will automagically detect them.
 289  * ---------------------------------------------------------------------
 290  * Local variables:
 291  * mode: c
 292  * indent-tabs-mode: t
 293  * c-basic-offset: 4
 294  * tab-width: 4
 295  * End:
 296  * vim:noexpandtab:sw=4:ts=4:
 297  */