test-dissect.c

   1 #include "dissect.h"
   2
   3 static unsigned dotc_stream;
   4
   5 static inline char storage(struct symbol *sym)
   6 {
   7         int t = sym->type;
   8         unsigned m = sym->ctype.modifiers;
   9
  10         if (m & MOD_INLINE || t == SYM_STRUCT || t == SYM_UNION /*|| t == SYM_ENUM*/)
  11                 return sym->pos.stream == dotc_stream ? 's' : 'g';
  12
  13         return (m & MOD_STATIC) ? 's' : (m & MOD_NONLOCAL) ? 'g' : 'l';
  14 }
  15
  16 static inline const char *show_mode(unsigned mode)
  17 {
  18         static char str[3];
  19
  20         if (mode == -1)
  21                 return "def";
  22
  23 #define U(u_r)  "-rwm"[(mode / u_r) & 3]
  24         str[0] = U(U_R_AOF);
  25         str[1] = U(U_R_VAL);
  26         str[2] = U(U_R_PTR);
  27 #undef  U
  28
  29         return str;
  30 }
  31
  32 static void print_usage(struct position *pos, struct symbol *sym, unsigned mode)
  33 {
  34         static unsigned curr_stream = -1;
  35
  36         if (curr_stream != pos->stream) {
  37                 curr_stream = pos->stream;
  38                 printf("\nFILE: %s\n\n", stream_name(curr_stream));
  39         }
  40
  41         printf("%4d:%-3d %c %-5.3s",
  42                 pos->line, pos->pos, storage(sym), show_mode(mode));
  43 }
  44
  45 static void r_symbol(unsigned mode, struct position *pos, struct symbol *sym)
  46 {
  47         print_usage(pos, sym, mode);
  48
  49         if (!sym->ident)
  50                 sym->ident = MK_IDENT("__asm__");
  51
  52         printf("%-32.*s %s\n",
  53                 sym->ident->len, sym->ident->name,
  54                 show_typename(sym->ctype.base_type));
  55 }
  56
  57 static void r_member(unsigned mode, struct position *pos, struct symbol *sym, struct symbol *mem)
  58 {
  59         struct ident *ni, *si, *mi;
  60
  61         print_usage(pos, sym, mode);
  62
  63         ni = MK_IDENT("?");
  64         si = sym->ident ?: ni;
  65         /* mem == NULL means entire struct accessed */
  66         mi = mem ? (mem->ident ?: ni) : MK_IDENT("*");
  67
  68         printf("%.*s.%-*.*s %s\n",
  69                 si->len, si->name,
  70                 32-1 - si->len, mi->len, mi->name,
  71                 show_typename(mem ? mem->ctype.base_type : sym));
  72 }
  73
  74 static void r_symdef(struct symbol *sym)
  75 {
  76         r_symbol(-1, &sym->pos, sym);
  77 }
  78
  79 int main(int argc, char **argv)
  80 {
  81         static struct reporter reporter = {
  82                 .r_symdef = r_symdef,
  83                 .r_symbol = r_symbol,
  84                 .r_member = r_member,
  85         };
  86         struct string_list *filelist = NULL;
  87         char *file;
  88
  89         sparse_initialize(argc, argv, &filelist);
  90
  91         FOR_EACH_PTR_NOTAG(filelist, file) {
  92                 dotc_stream = input_stream_nr;
  93                 dissect(__sparse(file), &reporter);
  94         } END_FOR_EACH_PTR_NOTAG(file);
  95
  96         return 0;
  97 }