1 /* loader.h - class loader header
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: Reinhard Grafl
29 $Id: loader.h 833 2004-01-04 22:10:24Z jowenn $
42 /* export variables */
44 extern list unloadedclasses; /* list of all referenced but not loaded classes */
45 extern list unlinkedclasses; /* List containing all unlinked classes */
46 extern list linkedclasses; /* List containing all linked classes */
53 /************************ prototypes ******************************************/
55 /* initialize laoder, load important systemclasses */
58 void suck_init(char *cpath);
63 /* load a class and all referenced classes */
64 classinfo *loader_load(utf *topname);
66 /* initializes all loaded classes */
67 void loader_initclasses();
69 void loader_compute_subclasses();
71 /* retrieve constantpool element */
72 voidptr class_getconstant(classinfo *class, u4 pos, u4 ctype);
74 /* determine type of a constantpool element */
75 u4 class_constanttype(classinfo *class, u4 pos);
77 s4 class_findmethodIndex(classinfo *c, utf *name, utf *desc);
79 /* search class for a field */
80 fieldinfo *class_findfield(classinfo *c, utf *name, utf *desc);
82 /* search for a method with a specified name and descriptor */
83 methodinfo *class_findmethod(classinfo *c, utf *name, utf *desc);
84 methodinfo *class_fetchmethod(classinfo *c, utf *name, utf *desc);
85 methodinfo *class_resolvemethod(classinfo *c, utf *name, utf *dest);
87 /* search for a method with specified name and arguments (returntype ignored) */
88 methodinfo *class_findmethod_approx(classinfo *c, utf *name, utf *desc);
89 methodinfo *class_resolvemethod_approx(classinfo *c, utf *name, utf *dest);
91 bool class_issubclass(classinfo *sub, classinfo *super);
93 /* call initializer of class */
94 void class_init(classinfo *c);
96 void class_showconstanti(classinfo *c, int ii);
99 void class_showmethods(classinfo *c);
100 void class_showconstantpool(classinfo *c);
101 void print_arraydescriptor(FILE *file, arraydescriptor *desc);
103 classinfo *loader_load(utf *topname);
104 classinfo *loader_load_sysclass(classinfo **top,utf *topname);
106 /* set buffer for reading classdata */
107 void classload_buffer(u1 *buf, int len);
109 /* return the primitive class inidicated by the given signature character */
110 classinfo *class_primitive_from_sig(char sig);
113 /* return the class indicated by the given descriptor */
114 /* (see loader.c for documentation) */
115 #define CLASSLOAD_NEW 0 /* default */
116 #define CLASSLOAD_LOAD 0x0001
117 #define CLASSLOAD_SKIP 0x0002
118 #define CLASSLOAD_PANIC 0 /* default */
119 #define CLASSLOAD_NOPANIC 0x0010
120 #define CLASSLOAD_PRIMITIVE 0 /* default */
121 #define CLASSLOAD_NULLPRIMITIVE 0x0020
122 #define CLASSLOAD_VOID 0 /* default */
123 #define CLASSLOAD_NOVOID 0x0040
124 #define CLASSLOAD_NOCHECKEND 0 /* default */
125 #define CLASSLOAD_CHECKEND 0x1000
127 classinfo *class_from_descriptor(char *utf_ptr,char *end_ptr,char **next,int mode);
128 int type_from_descriptor(classinfo **cls,char *utf_ptr,char *end_ptr,char **next,int mode);
130 /* (used by class_new, don't use directly) */
131 void class_new_array(classinfo *c);
133 void class_link(classinfo *c);
135 void field_display(fieldinfo *f);
137 void method_display(methodinfo *m);
143 /******************************** CLASSPATH handling *******************/
144 #define CLASSPATH_MAXFILENAME 1000 /* maximum length of a filename */
145 #define CLASSPATH_PATH 0
146 #define CLASSPATH_ARCHIVE 1
148 typedef union classpath_info {
151 union classpath_info *next;
153 int pathlen; } filepath;
157 union classpath_info *next;
163 #endif /* _LOADER_H */
167 * These are local overrides for various environment variables in Emacs.
168 * Please do not remove this and leave it at the end of the file, where
169 * Emacs will automagically detect them.
170 * ---------------------------------------------------------------------
173 * indent-tabs-mode: t