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annotate ueda/libuschem/pins.c @ 54:a930e05cf908

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pads2gpcb/decals.c: silk circle extraction implemented
author Mychaela Falconia <falcon@ivan.Harhan.ORG>
date Sun, 31 Jan 2016 01:57:38 +0000
parents cd92449fdb51
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
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1 /*
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2 * Working with graphical symbol pin instances
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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 <strings.h>
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8 #include "schemstruct.h"
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9 #include "graphsym.h"
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10
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11 extern char *malloc();
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12
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13 #define HASH_SIZE 1103
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14
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15 static int
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16 hash_coord(x, y)
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17 {
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18 return((x + y) % HASH_SIZE);
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19 }
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20
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21 static
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22 add_pin_to_hash(schem, pin)
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23 struct schem *schem;
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24 register struct graphsym_pininst *pin;
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25 {
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26 register struct graphsym_pininst *hp, **hpp;
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27
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28 for (hpp = schem->pininst_hash + hash_coord(pin->x, pin->y); hp = *hpp;
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29 hpp = &hp->nextinhash)
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30 if (pin->x == hp->x && pin->y == hp->y) {
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31 fprintf(stderr,
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32 "%s: more than one pin at (%d,%d), see lines %d and %d\n",
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33 schem->orig_filename, pin->x, pin->y,
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34 hp->compinst->obj_lineno, pin->compinst->obj_lineno);
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35 return(-1);
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36 }
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37 *hpp = pin;
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38 return(0);
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39 }
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40
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41 static
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42 instantiate_obj_pins(schem, obj, dohash)
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43 struct schem *schem;
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44 register struct schemobj *obj;
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45 {
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46 register struct graphsym_pindef *pd;
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47 register struct graphsym_pininst *pi;
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48 int npins;
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49 int x, y;
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50 int errflag = 0, clashflag = 0;
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51
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52 npins = obj->compobj_graphsym->gs_npins;
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53 pi = (struct graphsym_pininst *)
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54 malloc(sizeof(struct graphsym_pininst) * npins);
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55 if (!pi) {
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56 perror("malloc");
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57 exit(1);
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58 }
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59 obj->compobj_pins = pi;
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60 for (pd = obj->compobj_graphsym->gs_pins; pd; pd = pd->gspd_next, pi++){
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61 pi->compinst = obj;
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62 pi->pindef = pd;
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63 x = pd->gspd_x;
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64 y = pd->gspd_y;
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65 if (obj->compobj_mirror)
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66 x = -x;
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67 switch (obj->compobj_rotate) {
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68 case 0:
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69 pi->x = x;
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70 pi->y = y;
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71 break;
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72 case 90:
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73 pi->x = -y;
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74 pi->y = x;
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75 break;
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76 case 180:
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77 pi->x = -x;
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78 pi->y = -y;
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79 break;
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80 case 270:
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81 pi->x = y;
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82 pi->y = -x;
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83 break;
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84 default:
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85 if (!errflag) {
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86 fprintf(stderr,
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87 "%s: line %d: symbol rotated by %d deg, can't do pin instances\n",
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88 schem->orig_filename, obj->obj_lineno,
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89 obj->compobj_rotate);
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90 errflag = 1;
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91 }
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92 /* a dummy so we don't have to abort */
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93 pi->x = pi->y = 0;
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94 }
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95 pi->x += obj->compobj_x;
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96 pi->y += obj->compobj_y;
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97 pi->nextinhash = NULL;
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98 if (dohash && !errflag)
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99 if (add_pin_to_hash(schem, pi))
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100 clashflag = 1;
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101 }
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102 return(errflag || clashflag);
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103 }
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104
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105 /* prerequisite: load_graphsyms() */
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106 instantiate_graphsym_pins(schem, dohash)
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107 struct schem *schem;
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108 {
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109 register struct schemobj *obj;
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110 int errstat = 0;
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111 struct graphsym_pininst **hashtab;
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112
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113 if (dohash) {
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114 hashtab = (struct graphsym_pininst **)
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115 malloc(sizeof(struct graphsym_pininst *) * HASH_SIZE);
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116 if (!hashtab) {
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117 perror("malloc");
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118 exit(1);
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119 }
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120 bzero(hashtab, sizeof(struct graphsym_pininst *) * HASH_SIZE);
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121 schem->pininst_hash = hashtab;
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122 }
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123
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124 for (obj = schem->obj_next; obj != (struct schemobj *)schem;
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125 obj = obj->obj_next)
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126 switch (obj->obj_type) {
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diff changeset
127 case OBJTYPE_COMPINST:
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
128 if (!obj->compobj_isgraph)
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
129 continue;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
130 /* FALL THRU */
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
131 case OBJTYPE_GRAPHSYM:
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
132 if (instantiate_obj_pins(schem, obj, dohash))
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
133 errstat = -1;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
134 break;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
135 }
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
136 return(errstat);
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
137 }
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
138
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
139 report_pininst_hash_quality(schem)
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
140 struct schem *schem;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
141 {
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
142 struct graphsym_pininst **hashtab;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
143 int maxchain, total;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
144 register int hb, curchain;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
145 register struct graphsym_pininst *pin;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
146
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
147 hashtab = schem->pininst_hash;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
148 for (hb = 0, total = maxchain = 0; hb < HASH_SIZE; hb++) {
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
149 for (pin = hashtab[hb], curchain = 0; pin;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
150 pin = pin->nextinhash) {
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
151 curchain++;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
152 total++;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
153 }
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
154 if (curchain > maxchain)
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
155 maxchain = curchain;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
156 }
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
157 printf("%s: %d pin instances total, longest hash chain is %d\n",
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
158 schem->orig_filename, total, maxchain);
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
159 }
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
160
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
161 struct graphsym_pininst *
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
162 find_comp_pininst(comp, soughtpin, bynum)
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
163 struct schemobj *comp;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
164 char *soughtpin;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
165 int bynum;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
166 {
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
167 int npins;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
168 register int i;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
169 register struct graphsym_pininst *pi;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
170 register char *pinid;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
171
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
172 npins = comp->compobj_graphsym->gs_npins;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
173 for (pi = comp->compobj_pins, i = 0; i < npins; pi++, i++) {
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
174 if (bynum)
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
175 pinid = pi->pindef->gspd_pinnumber;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
176 else
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
177 pinid = pi->pindef->gspd_pinname;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
178 if (pinid && !strcmp(pinid, soughtpin))
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
179 return(pi);
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
180 }
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
181 return(NULL);
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
182 }
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
183
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
184 struct graphsym_pininst *
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
185 find_pin_by_coord(schem, x, y)
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
186 struct schem *schem;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
187 register int x, y;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
188 {
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
189 register struct graphsym_pininst *pin;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
190
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
191 for (pin = schem->pininst_hash[hash_coord(x, y)]; pin;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
192 pin = pin->nextinhash)
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
193 if (pin->x == x && pin->y == y)
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
194 return(pin);
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
195 return(NULL);
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
196 }