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 1371 2004-08-01 21:55:39Z 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         tables_init();
  82
  83         suck_init(classpath);
  84
  85
  86 #if defined(USE_THREADS) && defined(NATIVE_THREADS)
  87         initThreadsEarly();
  88 #endif
  89         initLocks();
  90         loader_init((u1 *) &dummy);
  91
  92
  93         /*********************** Load JAVA classes  **************************/
  94
  95         nativeclass_chain = chain_new();
  96         nativemethod_chain = chain_new();
  97
  98         for (i = 1; i < argc; i++) {
  99                 cp = argv[i];
 100
 101                 /* convert classname */
 102                 for (j = strlen(cp) - 1; j >= 0; j--) {
 103                         switch (cp[j]) {
 104                         case '.': cp[j] = '/';
 105                                 break;
 106                         case '_': cp[j] = '$';
 107                         }
 108                 }
 109
 110                 c = class_new(utf_new_char(cp));
 111
 112                 /* exceptions are catched with new_exception call */
 113                 class_load(c);
 114                 class_link(c);
 115
 116                 chain_addlast(nativeclass_chain, c);
 117
 118                 /* find overloaded methods */
 119                 for (j = 0; j < c->methodscount; j++) {
 120                         m = &(c->methods[j]);
 121
 122                         if (!(m->flags & ACC_NATIVE))
 123                                 continue;
 124
 125                         if (!m->nativelyoverloaded) {
 126                                 nativelyoverloaded = false;
 127
 128                                 for (k = j + 1; k < c->methodscount; k++) {
 129                                         m2 = &(c->methods[k]);
 130
 131                                         if (!(m2->flags & ACC_NATIVE))
 132                                                 continue;
 133
 134                                         if (m->name == m2->name) {
 135                                                 m2->nativelyoverloaded = true;
 136                                                 nativelyoverloaded = true;
 137                                         }
 138                                 }
 139                                 m->nativelyoverloaded = nativelyoverloaded;
 140                         }
 141                 }
 142
 143                 for (j = 0; j < c->methodscount; j++) {
 144                         m = &(c->methods[j]);
 145
 146                         if (m->flags & ACC_NATIVE) {
 147                                 chain_addlast(nativemethod_chain, m);
 148                         }
 149                 }
 150         }
 151
 152         /* create table of native-methods */
 153
 154 /*      file = fopen("nativetable.h", "w"); */
 155         file = stdout;
 156
 157         if (!file)
 158                 panic("Can not open file 'nativetable' to store native-link-table");
 159
 160         fprintf(file, "/* Table of native methods: nativetables.hh */\n");
 161         fprintf(file, "/* This file is machine generated, don't edit it !*/\n\n");
 162
 163         c = chain_first(nativeclass_chain);
 164         while (c) {
 165                 gen_header_filename(classname, c->name);
 166                 fprintf(file, "#include \"nat/%s.h\"\n", classname);
 167                 c = chain_next(nativeclass_chain);
 168         }
 169         chain_free(nativeclass_chain);
 170
 171         fprintf(file, "\n\n#include \"native.h\"\n\n");
 172         fprintf(file, "static nativeref nativetable[] = {\n");
 173
 174         m = chain_first(nativemethod_chain);
 175         while (m) {
 176                 printnativetableentry(m);
 177                 m = chain_next(nativemethod_chain);
 178         }
 179         chain_free(nativemethod_chain);
 180
 181         fprintf(file, "};\n");
 182
 183         fclose(file);
 184
 185         /* release all resources */
 186
 187         loader_close();
 188         tables_close(literalstring_free);
 189
 190         /* everything is ok */
 191
 192         return 0;
 193 }
 194
 195
 196 /*
 197  * These are local overrides for various environment variables in Emacs.
 198  * Please do not remove this and leave it at the end of the file, where
 199  * Emacs will automagically detect them.
 200  * ---------------------------------------------------------------------
 201  * Local variables:
 202  * mode: c
 203  * indent-tabs-mode: t
 204  * c-basic-offset: 4
 205  * tab-width: 4
 206  * End:
 207  */
 208
 209