FreeCalypso > hg > ueda-linux

annotate ueda/uschem-print/prolog.c @ 141:fddb020e9b68

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netdiff/Makefile added
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 07 Sep 2020 05:13:35 +0000
parents cd92449fdb51
children
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1 /*
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2 * The main work here is emitting the graphical symbol definitions
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3 * and any user-requested additional procsets.
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4 */
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5
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6 #include <sys/types.h>
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7 #include <stdio.h>
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8 #include <strings.h>
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9 #include "../libuschem/graphsym.h"
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10 #include "../libuschem/schemstruct.h"
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11
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12 extern FILE *find_symlib_file();
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13
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14 extern int total_graphsyms;
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15
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16 extern struct schem **schem_pages;
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17 extern int npages;
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18
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19 extern char uschem_procset_pathname[];
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20 extern char transfont_procset_pathname[];
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21
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22 print_graphsym_def(sym)
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23 struct graphsym *sym;
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24 {
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25 FILE *f;
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26
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27 printf("/%s {\n", sym->gs_name);
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28 f = fopen(sym->gs_pathname, "r");
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29 if (!f) {
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30 fprintf(stderr, "Unable to reopen %s for printing: ",
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31 sym->gs_pathname);
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32 perror(NULL);
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33 exit(1);
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34 }
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35 print_gschem_code_sym(f, sym);
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36 fclose(f);
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37 puts("} bind def");
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38 }
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39
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40 emit_prolog()
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41 {
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42 register int i;
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43
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44 puts("%%BeginProlog");
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45 emit_file(uschem_procset_pathname);
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46 emit_file(transfont_procset_pathname);
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47 for (i = 0; i < npages; i++)
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48 emit_extra_procsets(schem_pages[i]);
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49 printf("%d dict begin\n", total_graphsyms);
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50 graphsym_forall(print_graphsym_def);
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51 puts("currentdict end");
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52 puts("$uschem exch /symbols exch put");
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53 puts("%%EndProlog");
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54 }
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55
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56 #define MAX_EXTRA_PROCSETS 128
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57
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58 emit_extra_procsets(schem)
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59 struct schem *schem;
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60 {
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61 static char *procset_list[MAX_EXTRA_PROCSETS];
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62 static int nprocsets;
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63 register struct schemobj *obj;
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64 register char *psname;
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65 register int i;
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66 register FILE *f;
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67 char buf[512];
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68
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69 for (obj = schem->obj_next; obj != (struct schemobj *)schem;
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70 obj = obj->obj_next) {
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71 if (obj->obj_type != OBJTYPE_COMMENT)
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72 continue;
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73 if (strncmp(obj->commentobj_text, "Need procset: ", 14))
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74 continue;
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75 psname = obj->commentobj_text + 14;
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76 if (!psname[0])
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77 continue;
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78 /* have we already seen it? */
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79 for (i = 0; i < nprocsets; i++)
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80 if (!strcmp(procset_list[i], psname))
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81 break;
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82 if (i < nprocsets)
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83 continue;
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84 if (nprocsets >= MAX_EXTRA_PROCSETS) {
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85 fprintf(stderr, "%s: line %d: too many procsets\n",
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86 schem->orig_filename, obj->obj_lineno);
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87 exit(1);
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88 }
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89 /* get it and put it out */
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90 f = find_symlib_file(psname, NULL);
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91 if (!f) {
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92 fprintf(stderr, "procset %s not found (%s line %d)\n",
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93 psname, schem->orig_filename, obj->obj_lineno);
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94 exit(1);
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95 }
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96 while ((i = fread(buf, 1, sizeof buf, f)) > 0)
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97 fwrite(buf, 1, i, stdout);
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98 fclose(f);
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99 procset_list[nprocsets++] = psname;
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100 }
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101 }