FreeCalypso > hg > ueda-linux

annotate ueda/libuschem/pinref.c @ 139:bf188727e606

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donl-rename-parts reader: no tEDAx-style escapes
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 07 Sep 2020 04:25:11 +0000
parents cd92449fdb51
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * pin name reference parsing
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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 <ctype.h>
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8 #include "schemstruct.h"
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9
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10 extern struct schemobj *find_component_instance();
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11
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12 parse_pin_nameref(schem, lineno, nameref, compp, soughtpin, bynum)
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13 struct schem *schem;
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14 int lineno;
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15 char *nameref;
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16 struct schemobj **compp;
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17 char **soughtpin;
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18 int *bynum;
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19 {
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20 register char *cp;
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21 char chsave;
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22 register struct schemobj *comp;
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23
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24 cp = nameref;
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25 if (!isalnum(*cp)) {
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26 inv: fprintf(stderr,
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27 "%s: line %d: \"%s\" is not a valid pin name reference\n",
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28 schem->orig_filename, lineno, nameref);
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29 return(-1);
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30 }
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31 while (isalnum(*cp))
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32 cp++;
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33 chsave = *cp;
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34 switch (*cp) {
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35 case '.':
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36 *bynum = 0;
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37 break;
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38 case '-':
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39 *bynum = 1;
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40 break;
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41 default:
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42 goto inv;
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43 }
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44 *cp = '\0';
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45 comp = find_component_instance(schem, nameref);
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46 if (!comp)
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47 fprintf(stderr,
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48 "%s: line %d: component instance %s not found\n",
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49 schem->orig_filename, lineno, nameref);
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50 *cp++ = chsave;
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51 *compp = comp;
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52 if (!isgraph(*cp))
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53 goto inv;
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54 *soughtpin = cp;
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55 return(comp ? 0 : -1);
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56 }