make_env.c

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/* 
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the Software please contact the University of Arizona at Tech Launch Arizona:
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of this software and associated documentation files (the "Software"), to deal
in the Software without restriction for non-commercial use educational and
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 */


#include <stdlib.h>
#include <stdio.h>
#include <strings.h>
#include <string.h>

#include "caclib_proto.h"
#include "defines.h"

char tok[MAX_TOKENS][MAX_TOKENS];

int get_tok(edit)
char *edit;
{
  int c = 0;
  char *token;

  bzero((char *)&tok, sizeof(tok));

  token = strtok(edit, " \t\r\n;");
  while(token != (char *)NULL)
  {
    sprintf(tok[c++], "%s", token);
    token = strtok((char *)NULL, " \t\r\n;");
  }

  return(c);
}


int makePreamble(fout)
FILE *fout;
{
  fprintf(fout, "#ifndef NGS_HELP_H\n");
  fprintf(fout, "#define NGS_HELP_H\n");

  fprintf(fout, "\n\n");

  fprintf(fout, "#include <stdlib.h>\n");
  fprintf(fout, "#include <stdio.h>\n");
  fprintf(fout, "#include <strings.h>\n");
  fprintf(fout, "#include <string.h>\n");

  fprintf(fout, "\n\n");

  fprintf(fout, "struct NGS_HELP_STRINGS {\n");
  fprintf(fout, "        char *type;\n");
  fprintf(fout, "        char *variable;\n");
  fprintf(fout, "        char *help;\n");
  fprintf(fout, "};\n");

  fprintf(fout, "\n\n");

  fprintf(fout, "struct NGS_HELP_STRINGS ngs_help[] = {\n");

  return(0);
}


int makeEnd(fout, j)
FILE *fout;
int j;
{
  fprintf(fout, "};\n");
  fprintf(fout, "#define MAX_NGS_HELP %d\n", j);
  fprintf(fout, "\n\n");
  fprintf(fout, "int fetchNGSHelp(name, buf)\n");
  fprintf(fout, "char *name, *buf;\n");
  fprintf(fout, "{\n");
  fprintf(fout, "  int i;\n");
  fprintf(fout, "\n");
  fprintf(fout, "  for(i=0;i<MAX_NGS_HELP;i++)\n");
  fprintf(fout, "  {\n");
  fprintf(fout, "    if(!strncmp(ngs_help[i].variable, name, strlen(name)))\n");
  fprintf(fout, "    {\n");
  fprintf(fout, "      strcpy(buf, ngs_help[i].help);\n");
  fprintf(fout, "      return(0);\n");
  fprintf(fout, "    }\n");
  fprintf(fout, "  }\n");
  fprintf(fout, "\n");
  fprintf(fout, "  strcpy(buf, \"   \");\n");
  fprintf(fout, "\n");
  fprintf(fout, "  return(1);\n");
  fprintf(fout, "}\n");
  fprintf(fout, "\n\n");
  fprintf(fout, "#endif\n");
  fprintf(fout, "\n\n");

  return(0);
}



int printRest(fout, n)
FILE *fout;
int n;
{
  int i;

  fprintf(fout, ", \t\"");

  for(i=2;i<n;i++)
  {
    if(!strcmp(tok[i], "/*!<") || !strcmp(tok[i], "/*") || !strcmp(tok[i], "*/") || !strcmp(tok[i], "//"))
    {
      continue;
    }
    else
    {
      fprintf(fout, " %s", tok[i]);
    }
  }

  fprintf(fout, "\"\t},\n");

  return(0);
}





int main()
{
  int n, j=0;
  char *string, line[256], fname[256];
  FILE *fp, *fout;

  strcpy(fname, "../include/env.h");

  if((fp = fopen(fname, "r") ) <= (FILE *)0)
  {
    fprintf(stderr, "Unable to open file %s\n", fname);
    return(0);
  }

  if((fout = fopen("env_help.c", "w") ) <= (FILE *)0)
  {
    fprintf(stderr, "Unable to open file 'env_help.c'\n");
    return(0);
  }

  makePreamble(fout);

  while((string = fgets(line, sizeof(line), fp)) != NULL)
  {
    if(line[0] == '#')
    {
      continue;
    }

    n = get_tok(line);

//    printf("N = %d; tok[0] = %s, %s, %s\n", n, tok[0], tok[1], tok[2]);

    strcmprs(tok[0]);

    if(!strcmp(tok[0], "char") || !strcmp(tok[0], "int") || !strcmp(tok[0], "double"))
    {
      fprintf(fout, "\t{ \"%s\",  \t\"%s\"", tok[0], tok[1]);
      if(n > 2)
      {
        printRest(fout, n);
      }
      else
      {
        fprintf(fout, ", \"  \" \t},\n");
      }

      j++;
    } 
    else
    {
//      printf("Skipping %s\n", tok[0]);
    }
  }

  fclose(fp);

  makeEnd(fout, j);

  return(0);
}