git.ozlabs.org Git - ccan/blob - ccan/cdump/tools/cdump-enumstr.c

   1 #include <ccan/cdump/cdump.h>
   2 #include <ccan/tal/grab_file/grab_file.h>
   3 #include <ccan/err/err.h>
   4
   5 static bool dump_map(const char *name, struct cdump_type *t, void *unused)
   6 {
   7         size_t i;
   8
   9         printf("struct {\n"
  10                "        enum %s v;\n"
  11                "        const char *name;\n"
  12                "} enum_%s_names[] = {\n", name, name);
  13
  14         for (i = 0; i < tal_count(t->u.enum_vals); i++)
  15                 printf("        { %s, \"%s\" },\n",
  16                        t->u.enum_vals[i].name,
  17                        t->u.enum_vals[i].name);
  18         printf("        { 0, NULL } };\n");
  19         return true;
  20 }
  21
  22 int main(int argc, char *argv[])
  23 {
  24         char *code, *problems;
  25         struct cdump_definitions *defs;
  26
  27         if (argc < 2)
  28                 errx(1, "Usage: cdump-enumstr <filename> [<enums>...]");
  29
  30         code = grab_file(NULL, streq(argv[1], "-") ? NULL : argv[1]);
  31         if (!code)
  32                 err(1, "Reading %s", argv[1]);
  33
  34         defs = cdump_extract(code, code, &problems);
  35         if (!defs)
  36                 errx(1, "Parsing %s:\n%s", argv[1], problems);
  37
  38         if (argc == 2)
  39                 strmap_iterate(&defs->enums, dump_map, NULL);
  40         else {
  41                 unsigned int i;
  42                 struct cdump_type *t;
  43
  44                 for (i = 2; i < argc; i++) {
  45                         t = strmap_get(&defs->enums, argv[i]);
  46                         if (!t)
  47                                 errx(1, "Enum %s not found", argv[i]);
  48                         dump_map(argv[i], t, NULL);
  49                 }
  50         }
  51         return 0;
  52 }