mdw@git.distorted.org.uk Git - ssr/blob - StraySrc/Utilities/c/headerGen

   1 /*
   2  * headerGen.c
   3  *
   4  * Generate Sapphire headers automatically
   5  *
   6  * © 1994-1998 Straylight
   7  */
   8
   9 /*----- Licensing note ----------------------------------------------------*
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2, or (at your option)
  14  * any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program.  If not, write to the Free Software Foundation,
  23  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  24  */
  25
  26 #include <stdlib.h>
  27 #include <stdio.h>
  28 #include <string.h>
  29 #include <ctype.h>
  30
  31 #include "kernel.h"
  32 #include "swis.h"
  33
  34 static void swi(int s,_kernel_swi_regs *r)
  35 {
  36   _kernel_oserror *e=_kernel_swi(s,r,r);
  37   if (e)
  38   {
  39     fprintf(stderr,"Arrghh -- %s\n",e->errmess);
  40     exit(1);
  41   }
  42 }
  43
  44 static char *getline(char **p,char *b)
  45 {
  46   while (**p!=10)
  47     *b++=*((*p)++);
  48   *b=0;
  49   (*p)++;
  50   return (b);
  51 }
  52
  53 static void headergen(char *buff,char *infile,char *outfile)
  54 {
  55   FILE *fp;
  56   char b[256];
  57   char *p;
  58   char *leaf=strrchr(infile,'.');
  59
  60   if (!leaf)
  61     leaf=outfile;
  62   else
  63     leaf++;
  64
  65   if (fp=fopen(outfile,"w"),!fp)
  66   {
  67     fprintf(stderr,"Couldn't open output\n");
  68     exit(1);
  69   }
  70
  71   /* --- Do the header (this bit's a little fragile) --- */
  72
  73   getline(&buff,b);
  74   fprintf(fp,"%s\n",b);
  75
  76   getline(&buff,b);
  77   fprintf(fp,"%sh\n",b);
  78
  79   getline(&buff,b);
  80   fprintf(fp,"%s\n",b);
  81
  82   p=getline(&buff,b);
  83   if (p[-1]==')' && p[-5]=='(')
  84     p[-6]=0;
  85   fprintf(fp,"%s\n",b);
  86
  87   getline(&buff,b);
  88   fprintf(fp,"%s\n",b);
  89
  90   getline(&buff,b);
  91   fprintf(fp,"%s\n",b);
  92
  93   getline(&buff,b);
  94   fprintf(fp,"%s\n",b);
  95
  96   getline(&buff,b);
  97   fprintf(fp,"%s\n",b);
  98
  99   fprintf(fp,";----- Licensing note -------------------------------------------------------\n"
 100              ";\n"
 101              "; This file is part of Straylight's Sapphire library.\n"
 102              ";\n"
 103              "; Sapphire is free software; you can redistribute it and/or modify\n"
 104              "; it under the terms of the GNU General Public License as published by\n"
 105              "; the Free Software Foundation; either version 2, or (at your option)\n"
 106              "; any later version.\n"
 107              ";\n"
 108              "; Sapphire is distributed in the hope that it will be useful,\n"
 109              "; but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
 110              "; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
 111              "; GNU General Public License for more details.\n"
 112              ";\n"
 113              "; You should have received a copy of the GNU General Public License\n"
 114              "; along with Sapphire.  If not, write to the Free Software Foundation,\n"
 115              "; 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.\n"
 116              "\n"
 117              ";----- Overview -------------------------------------------------------------\n"
 118              ";\n"
 119              "; Functions provided:\n"
 120              ";\n");
 121
 122   /* --- Search for all EXPORTs and output them in the overview --- */
 123
 124   {
 125     char *bb=buff;
 126     do
 127     {
 128       getline(&bb,b);
 129       if (!memcmp(b,"\t\tEXPORT",8))
 130       {
 131         p=b+8;
 132         while (!isalnum(*p) && !(*p=='_'))
 133           p++;
 134         fprintf(fp,";  ");
 135         while (isalnum(*p) || *p=='_')
 136           fputc(*p++,fp);
 137         fputc('\n',fp);
 138       }
 139     }
 140     while (memcmp(b,"\t\tEND",5));
 141   }
 142   fputc('\n',fp);
 143
 144   fprintf(fp,"\t\t[\t:LNOT::DEF:%s__dfn\n"
 145              "\t\tGBLL\t%s__dfn\n"
 146              "\n",
 147              leaf,leaf);
 148
 149   /* --- Now output the block comments etc. --- */
 150
 151   {
 152     char *bb=buff;
 153     char *ob=bb;
 154     char *cm=0;
 155     char *ocm=(char *)0x80000000;
 156     do
 157     {
 158       getline(&bb,b);
 159       if (*b==';' && !cm)
 160       {
 161         cm=ob;
 162       }
 163       else if (*b!=';' && cm)
 164       {
 165         ocm=cm;
 166         cm=0;
 167       }
 168       if (!memcmp(b,"\t\tEXPORT",8))
 169       {
 170         for (p=ocm;p<ob;p++)
 171           fputc(*p,fp);
 172         fprintf(fp,"\t\tIMPORT\t%s\n\n",b+9);
 173       }
 174       ob=bb;
 175     }
 176     while (memcmp(b,"\t\tEND",5));
 177   }
 178
 179   fprintf(fp,"\t\t]\n"
 180              "\n"
 181              ";----- That's all, folks ----------------------------------------------------\n"
 182              "\n"
 183              "\t\tEND\n");
 184
 185   fclose(fp);
 186 }
 187
 188 int main(int argc,char *argv[])
 189 {
 190   if (argc!=3)
 191   {
 192     fprintf(stderr,"Syntax: headerGen <input> <output>\n");
 193     exit(1);
 194   }
 195
 196   /* --- Load input file into mondo buffer --- */
 197
 198   {
 199     _kernel_swi_regs r;
 200     char *fb;
 201     r.r[0]=17;
 202     r.r[1]=(int)argv[1];
 203     swi(OS_File,&r);
 204     if (fb=malloc(r.r[4]),!fb)
 205     {
 206       fprintf(stderr,"No memory -- buy some more\n");
 207       exit(1);
 208     }
 209     r.r[0]=16;
 210     r.r[1]=(int)argv[1];
 211     r.r[2]=(int)fb;
 212     r.r[3]=0;
 213     swi(OS_File,&r);
 214     headergen(fb,argv[1],argv[2]);
 215   }
 216   return (0);
 217 }