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annotate ueda/libuschem/rdschem.c @ 0:cd92449fdb51

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initial import of ueda and ifctf-part-lib from ifctfvax CVS
author Space Falcon <falcon@ivan.Harhan.ORG>
date Mon, 20 Jul 2015 00:24:37 +0000
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cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
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1 /*
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2 * Schematic read-in main routine
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3 */
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4
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5 #include <sys/types.h>
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6 #include <stdio.h>
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7 #include "schemstruct.h"
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8 #include "parserint.h"
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9
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10 extern char *malloc();
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11
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12 struct schem_parse_state schem_parse_state;
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13
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14 struct schem *
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15 read_schem(filename)
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16 char *filename;
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17 {
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18 FILE *f;
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19 struct schem *schem;
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20 register int i;
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21
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22 f = fopen(filename, "r");
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23 if (!f) {
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24 perror(filename);
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25 exit(1);
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26 }
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27
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28 schem = (struct schem *) malloc(sizeof(struct schem));
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29 if (!schem) {
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30 perror("malloc");
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31 exit(1);
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32 }
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33 bzero(schem, sizeof(struct schem));
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34 schem->obj_next = (struct schemobj *) schem;
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35 schem->obj_prev = (struct schemobj *) schem;
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36 schem->orig_filename = filename;
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37
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38 schem_parse_state.schem = schem;
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39 schem_parse_state.file = f;
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40 schem_parse_state.lineno = 1;
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41 schem_parse_state.pushback_token = 0;
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42
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43 /* call the meat of the parser */
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44 rdschem_parse_schemline();
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45 do
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46 i = rdschem_parse_object();
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47 while (!i);
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48
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49 fclose(f);
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50 return(schem);
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51 }
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52
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53 rdschem_error(msg)
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54 char *msg;
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55 {
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56 fprintf(stderr, "%s: line %d: %s\n",
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57 schem_parse_state.schem->orig_filename,
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58 schem_parse_state.lineno, msg);
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59 exit(1);
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60 }