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annotate ueda/sverp/prim.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
parents
children 7b4f78fcca08
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
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1 /*
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
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2 * Parsing of the primitives definition file happens here.
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
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3 */
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4
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
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5 #include <stdio.h>
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
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6 #include <strings.h>
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7 #include "../libueda/xga.h"
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
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8 #include "struct.h"
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9 #include "lexer.h"
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10
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11 extern char *malloc();
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12
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13 extern struct grid_pkg_desc *read_grid_pkg_file();
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14
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15 extern struct module_def *glob_module_list;
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16
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17 extern char *parser_filename;
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18 extern FILE *parser_readF;
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19 extern int parser_lineno;
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20 extern char parser_read_word[];
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21 extern int parser_read_number;
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22 extern int pushback_token;
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23
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24 static struct module_def *curmod;
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25
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26 static void
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27 create_module()
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28 {
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29 register struct module_def *mod, **modp;
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30 char *buf;
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31
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32 for (modp = &glob_module_list; mod = *modp; modp = &mod->next) {
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33 if (!strcmp(mod->name, parser_read_word))
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34 parse_error("primitive conflicts with a module name");
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35 }
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36 buf = malloc(sizeof(struct module_def) + strlen(parser_read_word) + 1);
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37 if (!buf) {
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38 perror("malloc");
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39 exit(1);
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40 }
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41 mod = (struct module_def *) buf;
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42 bzero(mod, sizeof(struct module_def));
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43 buf += sizeof(struct module_def);
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44 strcpy(buf, parser_read_word);
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45 mod->name = buf;
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46 mod->is_primitive = 1;
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47 *modp = mod;
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48 curmod = mod;
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49 }
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50
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51 static void
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52 add_pin(pinname)
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53 register char *pinname;
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54 {
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55 register struct module_net_def *n, **np;
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56 char *buf;
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57
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58 for (np = &curmod->nets; n = *np; np = &n->next) {
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59 if (!strcmp(n->name, pinname))
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60 parse_error("duplicate pin name");
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61 }
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62 buf = malloc(sizeof(struct module_net_def) + strlen(pinname) + 1);
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63 if (!buf) {
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64 perror("malloc");
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65 exit(1);
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66 }
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67 n = (struct module_net_def *) buf;
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68 bzero(n, sizeof(struct module_net_def));
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69 buf += sizeof(struct module_net_def);
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70 strcpy(buf, pinname);
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71 n->name = buf;
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72 n->is_port = 1;
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73 n->def_complete = 1;
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74 n->bus_width = 1;
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75 n->array_index = curmod->nports;
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76 *np = n;
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77 curmod->nports++;
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78 curmod->nwires_ports++;
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79 }
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80
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81 static void
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82 handle_num_pins()
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83 {
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84 int t;
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85 register int i;
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86 char namebuf[MAXDIGITS+5];
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87
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88 curmod->prim_numeric_pins = 1;
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89 t = get_token();
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90 if (t != NUMBER)
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91 parse_error("expected a number after numpins");
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92 for (i = 1; i <= parser_read_number; i++) {
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93 sprintf(namebuf, "pin_%d", i);
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94 add_pin(namebuf);
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95 }
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96 }
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97
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98 static void
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99 handle_named_pins(ismapped)
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100 {
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101 register int t;
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102
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103 curmod->prim_is_mapped = ismapped;
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104 t = get_token();
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105 if (t != '(')
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106 parse_error("expected '(' after named_pins or mapped_pins");
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107 for (;;) {
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108 t = get_token();
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109 if (t == ')')
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110 return;
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111 if (t != WORD)
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112 parse_error("expected pin name");
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113 add_pin(parser_read_word);
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114 t = get_token();
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115 if (t == ')')
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116 return;
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117 if (t != ',')
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118 parse_error("expected ',' or ')' in pin name list");
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119 }
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120 }
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121
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122 static void
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123 handle_grid_pkg()
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124 {
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125 int t;
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126 register struct grid_pkg_desc *desc;
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127 register int r, c;
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128 char namebuf[32];
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
129
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
130 t = get_token();
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
131 if (t != QSTRING)
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
132 parse_error("expected quoted filename after grid");
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
133 desc = read_grid_pkg_file(parser_read_word);
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
134 for (r = 0; r < desc->nrows; r++)
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
135 for (c = 0; c < desc->ncolumns; c++) {
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
136 if (desc->holes_array[r * desc->ncolumns + c])
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
137 continue;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
138 sprintf(namebuf, "%c%d", desc->row_letters[r], c + 1);
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
139 add_pin(namebuf);
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
140 }
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
141 free_grid_pkg_desc(desc);
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
142 }
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
143
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
144 read_primitives_file(filename_arg)
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
145 char *filename_arg;
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 register int t;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
148
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
149 parser_filename = filename_arg;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
150 parser_readF = fopen(parser_filename, "r");
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
151 if (!parser_readF) {
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
152 perror(parser_filename);
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
153 exit(1);
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
154 }
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
155 parser_lineno = 1;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
156 pushback_token = 0;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
157
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
158 for (;;) {
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
159 t = get_token();
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
160 if (!t)
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
161 break;
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
162 if (t != WORD)
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
163 parse_error("expected primitive name");
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
164 create_module();
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
165 t = get_token();
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
166 if (t != WORD)
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
167 parse_error("expected pins type keyword");
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
168 if (!strcmp(parser_read_word, "numpins"))
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
169 handle_num_pins();
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
170 else if (!strcmp(parser_read_word, "grid"))
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
171 handle_grid_pkg();
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
172 else if (!strcmp(parser_read_word, "named_pins"))
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
173 handle_named_pins(0);
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
174 else if (!strcmp(parser_read_word, "mapped_pins"))
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
175 handle_named_pins(1);
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 fprintf(stderr,
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
178 "%s line %d: \"%s\" is not an understood primitive type\n",
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
179 parser_filename, parser_lineno,
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
180 parser_read_word);
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
181 exit(1);
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 t = get_token();
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
184 if (t != ';')
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
185 parse_error("expected terminating ';'");
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
186 }
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
187
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
188 fclose(parser_readF);
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
189 return(0);
cd92449fdb51 initial import of ueda and ifctf-part-lib from ifctfvax CVS
Space Falcon <falcon@ivan.Harhan.ORG>
parents:
diff changeset
190 }