1 /* exceptions.c - exception related functions
3 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
4 R. Grafl, A. Krall, C. Kruegel, C. Oates, R. Obermaisser,
5 M. Probst, S. Ring, E. Steiner, C. Thalinger, D. Thuernbeck,
6 P. Tomsich, J. Wenninger
8 This file is part of CACAO.
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.
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.
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., 59 Temple Place - Suite 330, Boston, MA
25 Contact: cacao@complang.tuwien.ac.at
27 Authors: Christian Thalinger
29 $Id: exceptions.c 1370 2004-08-01 21:54:20Z stefan $
43 #include "toolbox/logging.h"
44 #include "toolbox/memory.h"
45 #include "nat/java_lang_String.h"
46 #include "nat/java_lang_Throwable.h"
49 /* system exception classes required in cacao */
51 classinfo *class_java_lang_Throwable;
52 classinfo *class_java_lang_Exception;
53 classinfo *class_java_lang_Error;
54 classinfo *class_java_lang_OutOfMemoryError;
57 /* exception/error super class */
59 char *string_java_lang_Throwable =
60 "java/lang/Throwable";
62 char *string_java_lang_VMThrowable =
63 "java/lang/VMThrowable";
66 /* specify some exception strings for code generation */
68 char *string_java_lang_ArithmeticException =
69 "java/lang/ArithmeticException";
71 char *string_java_lang_ArithmeticException_message =
74 char *string_java_lang_ArrayIndexOutOfBoundsException =
75 "java/lang/ArrayIndexOutOfBoundsException";
77 char *string_java_lang_ArrayStoreException =
78 "java/lang/ArrayStoreException";
80 char *string_java_lang_ClassCastException =
81 "java/lang/ClassCastException";
83 char *string_java_lang_ClassNotFoundException =
84 "java/lang/ClassNotFoundException";
86 char *string_java_lang_CloneNotSupportedException =
87 "java/lang/CloneNotSupportedException";
89 char *string_java_lang_Exception =
90 "java/lang/Exception";
92 char *string_java_lang_IllegalArgumentException =
93 "java/lang/IllegalArgumentException";
95 char *string_java_lang_IllegalMonitorStateException =
96 "java/lang/IllegalMonitorStateException";
98 char *string_java_lang_InterruptedException =
99 "java/lang/InterruptedException";
101 char *string_java_lang_NegativeArraySizeException =
102 "java/lang/NegativeArraySizeException";
104 char *string_java_lang_NoSuchFieldException =
105 "java/lang/NoSuchFieldException";
107 char *string_java_lang_NoSuchMethodException =
108 "java/lang/NoSuchMethodException";
110 char *string_java_lang_NullPointerException =
111 "java/lang/NullPointerException";
114 /* specify some error strings for code generation */
116 char *string_java_lang_AbstractMethodError =
117 "java/lang/AbstractMethodError";
119 char *string_java_lang_ClassCircularityError =
120 "java/lang/ClassCircularityError";
122 char *string_java_lang_ClassFormatError =
123 "java/lang/ClassFormatError";
125 char *string_java_lang_Error =
128 char *string_java_lang_ExceptionInInitializerError =
129 "java/lang/ExceptionInInitializerError";
131 char *string_java_lang_IncompatibleClassChangeError =
132 "java/lang/IncompatibleClassChangeError";
134 char *string_java_lang_InternalError =
135 "java/lang/InternalError";
137 char *string_java_lang_LinkageError =
138 "java/lang/LinkageError";
140 char *string_java_lang_NoClassDefFoundError =
141 "java/lang/NoClassDefFoundError";
143 char *string_java_lang_NoSuchFieldError =
144 "java/lang/NoSuchFieldError";
146 char *string_java_lang_NoSuchMethodError =
147 "java/lang/NoSuchMethodError";
149 char *string_java_lang_OutOfMemoryError =
150 "java/lang/OutOfMemoryError";
152 char *string_java_lang_VerifyError =
153 "java/lang/VerifyError";
155 char *string_java_lang_VirtualMachineError =
156 "java/lang/VirtualMachineError";
159 /* init_system_exceptions *****************************************************
161 load, link and compile exceptions used in the system
163 *******************************************************************************/
165 void init_system_exceptions()
167 /* java/lang/Throwable */
169 class_java_lang_Throwable =
170 class_new(utf_new_char(string_java_lang_Throwable));
171 class_load(class_java_lang_Throwable);
172 class_link(class_java_lang_Throwable);
174 /* java/lang/Exception */
176 class_java_lang_Exception =
177 class_new(utf_new_char(string_java_lang_Exception));
178 class_load(class_java_lang_Exception);
179 class_link(class_java_lang_Exception);
181 /* java/lang/Error */
183 class_java_lang_Error =
184 class_new(utf_new_char(string_java_lang_Error));
185 class_load(class_java_lang_Error);
186 class_link(class_java_lang_Error);
188 /* java/lang/OutOfMemoryError */
190 class_java_lang_OutOfMemoryError =
191 class_new(utf_new_char(string_java_lang_OutOfMemoryError));
192 class_load(class_java_lang_OutOfMemoryError);
193 class_link(class_java_lang_OutOfMemoryError);
197 static void throw_exception_exit_intern(bool doexit)
199 java_objectheader *xptr;
204 xptr = *exceptionptr;
206 /* clear exception, because we are calling jit code again */
207 *exceptionptr = NULL;
209 c = xptr->vftbl->class;
211 pss = class_resolveclassmethod(c,
212 utf_new_char("printStackTrace"),
214 class_java_lang_Object,
217 /* print the stacktrace */
219 asm_calljavafunction(pss, xptr, NULL, NULL, NULL);
221 /* this normally means, we are EXTREMLY out of memory, but may be
222 any other exception */
224 utf_fprint_classname(stderr, c->name);
225 fprintf(stderr, "\n");
229 utf_fprint_classname(stderr, c->name);
230 fprintf(stderr, ": printStackTrace()V not found!\n");
243 void throw_exception()
245 throw_exception_exit_intern(false);
249 void throw_exception_exit()
251 throw_exception_exit_intern(true);
255 void throw_main_exception()
257 fprintf(stderr, "Exception in thread \"main\" ");
260 throw_exception_exit_intern(false);
264 void throw_main_exception_exit()
266 fprintf(stderr, "Exception in thread \"main\" ");
269 throw_exception_exit_intern(true);
273 void throw_cacao_exception_exit(char *exception, char *message)
279 len = strlen(exception);
280 tmp = MNEW(char, len);
281 strncpy(tmp, exception, len);
283 /* convert to classname */
285 for (i = len - 1; i >= 0; i--) {
286 if (tmp[i] == '/') tmp[i] = '.';
289 fprintf(stderr, "Exception in thread \"main\" %s", tmp);
291 MFREE(tmp, char, len);
293 if (strlen(message) > 0)
294 fprintf(stderr, ": %s", message);
296 fprintf(stderr, "\n");
304 #define CREATENEW_EXCEPTION(ex) \
305 java_objectheader *newEx; \
306 java_objectheader *oldexception=*exceptionptr;\
309 *exceptionptr=oldexception;\
312 java_objectheader *new_exception(char *classname)
314 classinfo *c = class_new(utf_new_char(classname));
316 CREATENEW_EXCEPTION(native_new_and_init(c));
319 java_objectheader *new_exception_message(char *classname, char *message)
321 classinfo *c = class_new(utf_new_char(classname));
323 CREATENEW_EXCEPTION(native_new_and_init_string(c, javastring_new_char(message)));
327 java_objectheader *new_exception_throwable(char *classname, java_lang_Throwable *throwable)
329 classinfo *c = class_new(utf_new_char(classname));
331 CREATENEW_EXCEPTION(native_new_and_init_throwable(c, throwable));
335 java_objectheader *new_exception_utfmessage(char *classname, utf *message)
337 classinfo *c = class_new(utf_new_char(classname));
339 CREATENEW_EXCEPTION(native_new_and_init_string(c, javastring_new(message)));
343 java_objectheader *new_exception_javastring(char *classname, java_lang_String *message)
345 classinfo *c = class_new(utf_new_char(classname));
347 CREATENEW_EXCEPTION(native_new_and_init_string(c, message));
351 java_objectheader *new_exception_int(char *classname, s4 i)
353 classinfo *c = class_new(utf_new_char(classname));
355 CREATENEW_EXCEPTION(native_new_and_init_int(c, i));
359 /* new_classformaterror ********************************************************
361 generates an java.lang.ClassFormatError for the classloader
363 *******************************************************************************/
365 java_objectheader *new_classformaterror(classinfo *c, char *message, ...)
367 char msg[MAXLOGTEXT];
370 utf_sprint_classname(msg, c->name);
371 sprintf(msg + strlen(msg), " (");
373 va_start(ap, message);
374 vsprintf(msg + strlen(msg), message, ap);
377 sprintf(msg + strlen(msg), ")");
379 return new_exception_message(string_java_lang_ClassFormatError, msg);
383 /* new_verifyerror *************************************************************
385 generates an java.lang.VerifyError for the jit compiler
387 *******************************************************************************/
389 java_objectheader *new_verifyerror(methodinfo *m, char *message)
391 java_objectheader *o;
395 len = 8 + utf_strlen(m->class->name) +
396 10 + utf_strlen(m->name) +
397 13 + utf_strlen(m->descriptor) +
398 2 + strlen(message) + 1;
400 msg = MNEW(char, len);
402 sprintf(msg, "(class: ");
403 utf_sprint(msg + strlen(msg), m->class->name);
404 sprintf(msg + strlen(msg), ", method: ");
405 utf_sprint(msg + strlen(msg), m->name);
406 sprintf(msg + strlen(msg), ", signature: ");
407 utf_sprint(msg + strlen(msg), m->descriptor);
408 sprintf(msg + strlen(msg), ") %s", message);
410 o = new_exception_message(string_java_lang_VerifyError, msg);
419 * These are local overrides for various environment variables in Emacs.
420 * Please do not remove this and leave it at the end of the file, where
421 * Emacs will automagically detect them.
422 * ---------------------------------------------------------------------
425 * indent-tabs-mode: t