src/native/tools/gennativetable.c

   1 /* gennativetable.c - generate nativetable.h for native.c
   2
   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
   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., 59 Temple Place - Suite 330, Boston, MA
  23    02111-1307, USA.
  24
  25    Contact: cacao@complang.tuwien.ac.at
  26
  27    Authors: Christian Thalinger
  28
  29    Changes:
  30
  31    $Id: gennativetable.c 1260 2004-06-30 22:26:21Z stefan $
  32
  33 */
  34
  35
  36 #include <stdio.h>
  37 #include <stdlib.h>
  38 #include <string.h>
  39 #include "config.h"
  40 #include "types.h"
  41 #include "global.h"
  42 #include "headers.h"
  43 #include "loader.h"
  44 #include "tables.h"
  45 #include "mm/boehm.h"
  46 #include "threads/thread.h"
  47 #include "toolbox/chain.h"
  48 #include "toolbox/memory.h"
  49
  50
  51 int main(int argc, char **argv)
  52 {
  53         s4 i, j, k;
  54         char classpath[500] = "";
  55         char *cp;
  56         classinfo *c;
  57         methodinfo *m;
  58         methodinfo *m2;
  59         bool nativelyoverloaded;
  60         u4 heapmaxsize = 2 * 1024 * 1024;
  61         u4 heapstartsize = 100 * 1024;
  62         void *dummy;
  63
  64         /* XXX change me */
  65         char classname[1024];
  66
  67         if (argc < 2) {
  68                 printf("Usage: gennativetable class [class...]\n");
  69                 exit(1);
  70         }
  71
  72         cp = getenv("CLASSPATH");
  73         if (cp) {
  74                 strcpy(classpath + strlen(classpath), ":");
  75                 strcpy(classpath + strlen(classpath), cp);
  76         }
  77
  78         /* initialize the garbage collector */
  79         gc_init(heapmaxsize, heapstartsize);
  80
  81         suck_init(classpath);
  82
  83         tables_init();
  84
  85 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
  86         initThreadsEarly();
  87 #endif
  88         loader_init((u1 *) &dummy);
  89
  90
  91         /*********************** Load JAVA classes  **************************/
  92
  93         nativeclass_chain = chain_new();
  94         nativemethod_chain = chain_new();
  95
  96         for (i = 1; i < argc; i++) {
  97                 cp = argv[i];
  98
  99                 /* convert classname */
 100                 for (j = strlen(cp) - 1; j >= 0; j--) {
 101                         switch (cp[j]) {
 102                         case '.': cp[j] = '/';
 103                                 break;
 104                         case '_': cp[j] = '$';
 105                         }
 106                 }
 107
 108                 c = class_new(utf_new_char(cp));
 109
 110                 /* exceptions are catched with new_exception call */
 111                 class_load(c);
 112                 class_link(c);
 113
 114                 chain_addlast(nativeclass_chain, c);
 115
 116                 /* find overloaded methods */
 117                 for (j = 0; j < c->methodscount; j++) {
 118                         m = &(c->methods[j]);
 119
 120                         if (!(m->flags & ACC_NATIVE))
 121                                 continue;
 122
 123                         if (!m->nativelyoverloaded) {
 124                                 nativelyoverloaded = false;
 125
 126                                 for (k = j + 1; k < c->methodscount; k++) {
 127                                         m2 = &(c->methods[k]);
 128
 129                                         if (!(m2->flags & ACC_NATIVE))
 130                                                 continue;
 131
 132                                         if (m->name == m2->name) {
 133                                                 m2->nativelyoverloaded = true;
 134                                                 nativelyoverloaded = true;
 135                                         }
 136                                 }
 137                                 m->nativelyoverloaded = nativelyoverloaded;
 138                         }
 139                 }
 140
 141                 for (j = 0; j < c->methodscount; j++) {
 142                         m = &(c->methods[j]);
 143
 144                         if (m->flags & ACC_NATIVE) {
 145                                 chain_addlast(nativemethod_chain, m);
 146                         }
 147                 }
 148         }
 149
 150         /* create table of native-methods */
 151
 152 /*      file = fopen("nativetable.h", "w"); */
 153         file = stdout;
 154
 155         if (!file)
 156                 panic("Can not open file 'nativetable' to store native-link-table");
 157
 158         fprintf(file, "/* Table of native methods: nativetables.hh */\n");
 159         fprintf(file, "/* This file is machine generated, don't edit it !*/\n\n");
 160
 161         c = chain_first(nativeclass_chain);
 162         while (c) {
 163                 gen_header_filename(classname, c->name);
 164                 fprintf(file, "#include \"nat/%s.h\"\n", classname);
 165                 c = chain_next(nativeclass_chain);
 166         }
 167         chain_free(nativeclass_chain);
 168
 169         fprintf(file, "\n\n#include \"native.h\"\n\n");
 170         fprintf(file, "static nativeref nativetable[] = {\n");
 171
 172         m = chain_first(nativemethod_chain);
 173         while (m) {
 174                 printnativetableentry(m);
 175                 m = chain_next(nativemethod_chain);
 176         }
 177         chain_free(nativemethod_chain);
 178
 179         fprintf(file, "};\n");
 180
 181         fclose(file);
 182
 183         /* release all resources */
 184
 185         loader_close();
 186         tables_close(literalstring_free);
 187
 188         /* everything is ok */
 189
 190         return 0;
 191 }
 192
 193
 194 /*
 195  * These are local overrides for various environment variables in Emacs.
 196  * Please do not remove this and leave it at the end of the file, where
 197  * Emacs will automagically detect them.
 198  * ---------------------------------------------------------------------
 199  * Local variables:
 200  * mode: c
 201  * indent-tabs-mode: t
 202  * c-basic-offset: 4
 203  * tab-width: 4
 204  * End:
 205  */
 206
 207