nsz Git - cparser/blob - warning.c

   1 #include <stdio.h>
   2 #include <string.h>
   3 #include "warning.h"
   4
   5 warning_t warning = {
   6         .char_subscripts               = true,
   7         .check_format                  = true,
   8         .empty_statement               = false,
   9         .fatal_errors                  = false,
  10         .float_equal                   = false,
  11         .implicit_function_declaration = true,
  12         .implicit_int                  = true,
  13         .main                          = true,
  14         .missing_declarations          = false,
  15         .missing_prototypes            = false,
  16         .redundant_decls               = true,
  17         .s_are_errors                  = false,
  18         .shadow                        = false,
  19         .sign_compare                  = false,
  20         .strict_prototypes             = true,
  21         .switch_default                = false,
  22         .unknown_pragmas               = true,
  23         .unused_function               = false,
  24         .unused_label                  = false,
  25         .unused_parameter              = false,
  26         .unused_value                  = true,
  27         .unused_variable               = false
  28 };
  29
  30 void set_warning_opt(const char *const opt)
  31 {
  32         const char* s = opt;
  33
  34         bool state = true;
  35
  36         /* "no-" prefix */
  37         if (s[0] == 'n' && s[1] == 'o' && s[2] == '-') {
  38                 s += 3;
  39                 state = false;
  40         }
  41
  42         if (0) {}
  43 #define OPTX(x)   else if (strcmp(s, x) == 0)
  44 #define SET(y)    warning.y = state;
  45 #define OPT(x, y) OPTX(x) SET(y)
  46         OPTX("all") {
  47                 /* Note: this switched on a lot of more warnings than gcc's -Wall */
  48                 SET(char_subscripts)
  49                 SET(check_format)
  50                 SET(empty_statement)
  51                 SET(implicit_function_declaration)
  52                 SET(implicit_int)
  53                 SET(main)
  54                 SET(redundant_decls)
  55                 SET(shadow)
  56                 SET(sign_compare)
  57                 SET(strict_prototypes)
  58                 SET(unknown_pragmas)
  59                 SET(unused_function)
  60                 SET(unused_label)
  61                 SET(unused_parameter)
  62                 SET(unused_value)
  63                 SET(unused_variable)
  64         }
  65         OPT("char-subscripts",               char_subscripts)
  66         OPT("empty-statement",               empty_statement)
  67         OPT("error",                         s_are_errors)
  68         OPTX("extra") {
  69                 /* TODO */
  70                 // TODO SET(function_end_without_return)
  71                 SET(empty_statement)
  72                 // TODO SET(incomplete_aggregate_init)
  73                 // TODO SET(pointless_comparison)
  74                 // TODO SET(sign_compare)
  75                 SET(unused_parameter)
  76                 SET(unused_value)
  77         }
  78         OPT("fatal-errors",                  fatal_errors)
  79         OPT("float-equal",                   float_equal)
  80         OPT("format",                        check_format)
  81         OPTX("implicit") {
  82                 SET(implicit_function_declaration)
  83                 SET(implicit_int)
  84         }
  85         OPT("implicit-function-declaration", implicit_function_declaration)
  86         OPT("implicit-int",                  implicit_int)
  87         OPT("main",                          main)
  88         OPT("missing-declarations",          missing_declarations)
  89         OPT("missing-prototypes",            missing_prototypes)
  90         OPT("redundant-decls",               redundant_decls)
  91         OPT("shadow",                        shadow)
  92         OPT("sign-compare",                  sign_compare)
  93         OPT("strict-prototypes",             strict_prototypes)
  94         OPT("switch-default",                switch_default)
  95         OPT("unknown-pragmas",               unknown_pragmas)
  96         OPTX("unused") {
  97                 SET(unused_function)
  98                 SET(unused_label)
  99                 SET(unused_parameter)
 100                 SET(unused_value)
 101                 SET(unused_variable)
 102         }
 103         OPT("unused-function",               unused_function)
 104         OPT("unused-label",                  unused_label)
 105         OPT("unused-parameter",              unused_parameter)
 106         OPT("unused-value",                  unused_value)
 107         OPT("unused-variable",               unused_variable)
 108 #undef OPT
 109 #undef SET
 110 #undef OPT_X
 111         else {
 112                 fprintf(stderr, "warning: ignoring unknown option -W%s\n", opt);
 113         }
 114 }