src/vmcore/utf8.h

   1 /* src/vmcore/utf8.h - utf8 string functions
   2
   3    Copyright (C) 1996-2005, 2006, 2007 R. Grafl, A. Krall, C. Kruegel,
   4    C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
   5    E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
   6    J. Wenninger, Institut f. Computersprachen - TU Wien
   7
   8    This file is part of CACAO.
   9
  10    This program is free software; you can redistribute it and/or
  11    modify it under the terms of the GNU General Public License as
  12    published by the Free Software Foundation; either version 2, or (at
  13    your option) any later version.
  14
  15    This program is distributed in the hope that it will be useful, but
  16    WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18    General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with this program; if not, write to the Free Software
  22    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  23    02110-1301, USA.
  24
  25 */
  26
  27
  28 #ifndef _UTF_H
  29 #define _UTF_H
  30
  31 /* forward typedefs ***********************************************************/
  32
  33 typedef struct utf utf;
  34
  35 #include "config.h"
  36
  37 #include <stdio.h>
  38
  39 #include "vm/types.h"
  40
  41 #include "vm/global.h"
  42
  43
  44 /* data structure for utf8 symbols ********************************************/
  45
  46 struct utf {
  47         utf  *hashlink;                     /* link for external hash chain       */
  48         s4    blength;                      /* text length in bytes               */
  49         char *text;                         /* pointer to text                    */
  50 };
  51
  52 /* to determine the end of utf strings */
  53
  54 #define UTF_END(u)    ((char *) u->text + u->blength)
  55
  56
  57 /* utf-symbols for pointer comparison of frequently used strings **************/
  58
  59 extern utf *utf_java_lang_Object;
  60
  61 extern utf *utf_java_lang_Class;
  62 extern utf *utf_java_lang_ClassLoader;
  63 extern utf *utf_java_lang_Cloneable;
  64 extern utf *utf_java_lang_SecurityManager;
  65 extern utf *utf_java_lang_String;
  66 extern utf *utf_java_lang_System;
  67 extern utf *utf_java_lang_ThreadGroup;
  68 extern utf *utf_java_lang_ref_SoftReference;
  69 extern utf *utf_java_lang_ref_WeakReference;
  70 extern utf *utf_java_lang_ref_PhantomReference;
  71 extern utf *utf_java_io_Serializable;
  72
  73 extern utf *utf_java_lang_Throwable;
  74 extern utf *utf_java_lang_Error;
  75
  76 extern utf *utf_java_lang_AbstractMethodError;
  77 extern utf *utf_java_lang_ClassCircularityError;
  78 extern utf *utf_java_lang_ClassFormatError;
  79 extern utf *utf_java_lang_ExceptionInInitializerError;
  80 extern utf *utf_java_lang_IncompatibleClassChangeError;
  81 extern utf *utf_java_lang_InstantiationError;
  82 extern utf *utf_java_lang_InternalError;
  83 extern utf *utf_java_lang_LinkageError;
  84 extern utf *utf_java_lang_NoClassDefFoundError;
  85 extern utf *utf_java_lang_NoSuchFieldError;
  86 extern utf *utf_java_lang_NoSuchMethodError;
  87 extern utf *utf_java_lang_OutOfMemoryError;
  88 extern utf *utf_java_lang_UnsatisfiedLinkError;
  89 extern utf *utf_java_lang_UnsupportedClassVersionError;
  90 extern utf *utf_java_lang_VerifyError;
  91 extern utf *utf_java_lang_VirtualMachineError;
  92
  93 #if defined(WITH_CLASSPATH_GNU)
  94 extern utf *utf_java_lang_VMThrowable;
  95 #endif
  96
  97 extern utf *utf_java_lang_Exception;
  98
  99 extern utf *utf_java_lang_ArithmeticException;
 100 extern utf *utf_java_lang_ArrayIndexOutOfBoundsException;
 101 extern utf *utf_java_lang_ArrayStoreException;
 102 extern utf *utf_java_lang_ClassCastException;
 103 extern utf *utf_java_lang_ClassNotFoundException;
 104 extern utf *utf_java_lang_CloneNotSupportedException;
 105 extern utf *utf_java_lang_IllegalAccessException;
 106 extern utf *utf_java_lang_IllegalArgumentException;
 107 extern utf *utf_java_lang_IllegalMonitorStateException;
 108 extern utf *utf_java_lang_InstantiationException;
 109 extern utf *utf_java_lang_InterruptedException;
 110 extern utf *utf_java_lang_NegativeArraySizeException;
 111 extern utf *utf_java_lang_NullPointerException;
 112 extern utf *utf_java_lang_StringIndexOutOfBoundsException;
 113
 114 extern utf *utf_java_lang_reflect_InvocationTargetException;
 115
 116 extern utf *utf_java_security_PrivilegedActionException;
 117
 118 #if defined(ENABLE_JAVASE)
 119 extern utf* utf_java_lang_Void;
 120 #endif
 121
 122 extern utf* utf_java_lang_Boolean;
 123 extern utf* utf_java_lang_Byte;
 124 extern utf* utf_java_lang_Character;
 125 extern utf* utf_java_lang_Short;
 126 extern utf* utf_java_lang_Integer;
 127 extern utf* utf_java_lang_Long;
 128 extern utf* utf_java_lang_Float;
 129 extern utf* utf_java_lang_Double;
 130
 131 #if defined(ENABLE_JAVASE)
 132 extern utf *utf_java_lang_StackTraceElement;
 133 extern utf *utf_java_lang_reflect_Constructor;
 134 extern utf *utf_java_lang_reflect_Field;
 135 extern utf *utf_java_lang_reflect_Method;
 136 extern utf *utf_java_util_Vector;
 137 #endif
 138
 139 extern utf *utf_InnerClasses;
 140 extern utf *utf_ConstantValue;
 141 extern utf *utf_Code;
 142 extern utf *utf_Exceptions;
 143 extern utf *utf_LineNumberTable;
 144 extern utf *utf_SourceFile;
 145
 146 #if defined(ENABLE_JAVASE)
 147 extern utf *utf_EnclosingMethod;
 148 extern utf *utf_Signature;
 149 extern utf *utf_StackMapTable;
 150
 151 #if defined(ENABLE_ANNOTATIONS)
 152 extern utf *utf_RuntimeVisibleAnnotations;
 153 extern utf *utf_RuntimeInvisibleAnnotations;
 154 extern utf *utf_RuntimeVisibleParameterAnnotations;
 155 extern utf *utf_RuntimeInvisibleParameterAnnotations;
 156 extern utf *utf_AnnotationDefault;
 157 #endif
 158 #endif
 159
 160 extern utf *utf_init;
 161 extern utf *utf_clinit;
 162 extern utf *utf_clone;
 163 extern utf *utf_finalize;
 164 extern utf *utf_run;
 165
 166 extern utf *utf_add;
 167 extern utf *utf_remove;
 168 extern utf *utf_addThread;
 169 extern utf *utf_removeThread;
 170 extern utf *utf_put;
 171 extern utf *utf_get;
 172 extern utf *utf_uncaughtException;
 173 extern utf *utf_value;
 174
 175 extern utf *utf_fillInStackTrace;
 176 extern utf *utf_findNative;
 177 extern utf *utf_getSystemClassLoader;
 178 extern utf *utf_initCause;
 179 extern utf *utf_loadClass;
 180 extern utf *utf_printStackTrace;
 181
 182 extern utf *utf_division_by_zero;
 183
 184 extern utf *utf_Z;
 185 extern utf *utf_B;
 186 extern utf *utf_C;
 187 extern utf *utf_S;
 188 extern utf *utf_I;
 189 extern utf *utf_J;
 190 extern utf *utf_F;
 191 extern utf *utf_D;
 192
 193 extern utf *utf_void__void;
 194 extern utf *utf_boolean__void;
 195 extern utf *utf_byte__void;
 196 extern utf *utf_char__void;
 197 extern utf *utf_short__void;
 198 extern utf *utf_int__void;
 199 extern utf *utf_long__void;
 200 extern utf *utf_float__void;
 201 extern utf *utf_double__void;
 202
 203 extern utf *utf_void__java_lang_ClassLoader;
 204 extern utf *utf_void__java_lang_Object;
 205 extern utf *utf_void__java_lang_Throwable;
 206 extern utf *utf_java_lang_ClassLoader_java_lang_String__J;
 207 extern utf *utf_java_lang_Exception__V;
 208 extern utf *utf_java_lang_Object__java_lang_Object;
 209 extern utf *utf_java_lang_String__void;
 210 extern utf *utf_java_lang_String__java_lang_Class;
 211 extern utf *utf_java_lang_Thread__V;
 212 extern utf *utf_java_lang_Thread_java_lang_Throwable__V;
 213 extern utf *utf_java_lang_Throwable__void;
 214 extern utf *utf_java_lang_Throwable__java_lang_Throwable;
 215
 216 extern utf *utf_not_named_yet;
 217 extern utf *utf_null;
 218 extern utf *array_packagename;
 219
 220
 221 /* function prototypes ********************************************************/
 222
 223 /* initialize the utf8 subsystem */
 224 bool utf8_init(void);
 225
 226 u4 utf_hashkey(const char *text, u4 length);
 227 u4 utf_full_hashkey(const char *text, u4 length);
 228
 229 /* determine hashkey of a unicode-symbol */
 230 u4 unicode_hashkey(u2 *text, u2 length);
 231
 232 /* create new utf-symbol */
 233 utf *utf_new(const char *text, u2 length);
 234
 235 /* make utf symbol from u2 array */
 236 utf *utf_new_u2(u2 *unicodedata, u4 unicodelength, bool isclassname);
 237
 238 utf *utf_new_char(const char *text);
 239 utf *utf_new_char_classname(const char *text);
 240
 241 /* get number of bytes */
 242 u4 utf_bytes(utf *u);
 243
 244 /* get next unicode character of a utf-string */
 245 u2 utf_nextu2(char **utf);
 246
 247 /* get (number of) unicode characters of a utf string (safe) */
 248 s4 utf8_safe_number_of_u2s(const char *text, s4 nbytes);
 249 void utf8_safe_convert_to_u2s(const char *text, s4 nbytes, u2 *buffer);
 250
 251 /* get (number of) unicode characters of a utf string (UNSAFE!) */
 252 u4 utf_get_number_of_u2s(utf *u);
 253 u4 utf_get_number_of_u2s_for_buffer(const char *buffer, u4 blength);
 254
 255 /* determine utf length in bytes of a u2 array */
 256 u4 u2_utflength(u2 *text, u4 u2_length);
 257
 258 void utf_copy(char *buffer, utf *u);
 259 void utf_cat(char *buffer, utf *u);
 260 void utf_copy_classname(char *buffer, utf *u);
 261 void utf_cat_classname(char *buffer, utf *u);
 262
 263 /* write utf symbol to file/buffer */
 264 void utf_display_printable_ascii(utf *u);
 265 void utf_display_printable_ascii_classname(utf *u);
 266
 267 void utf_sprint_convert_to_latin1(char *buffer, utf *u);
 268 void utf_sprint_convert_to_latin1_classname(char *buffer, utf *u);
 269
 270 void utf_strcat_convert_to_latin1(char *buffer, utf *u);
 271 void utf_strcat_convert_to_latin1_classname(char *buffer, utf *u);
 272
 273 void utf_fprint_printable_ascii(FILE *file, utf *u);
 274 void utf_fprint_printable_ascii_classname(FILE *file, utf *u);
 275
 276 /* check if a UTF-8 string is valid */
 277 bool is_valid_utf(char *utf_ptr, char *end_pos);
 278
 279 /* check if a UTF-8 string may be used as a class/field/method name */
 280 bool is_valid_name(char *utf_ptr, char *end_pos);
 281 bool is_valid_name_utf(utf *u);
 282
 283 /* show utf-table */
 284 void utf_show(void);
 285
 286 #endif /* _UTF_H */
 287
 288
 289 /*
 290  * These are local overrides for various environment variables in Emacs.
 291  * Please do not remove this and leave it at the end of the file, where
 292  * Emacs will automagically detect them.
 293  * ---------------------------------------------------------------------
 294  * Local variables:
 295  * mode: c
 296  * indent-tabs-mode: t
 297  * c-basic-offset: 4
 298  * tab-width: 4
 299  * End:
 300  * vim:noexpandtab:sw=4:ts=4:
 301  */