src/cdecl.h

   1 #ifndef CDECL_H_
   2 #define CEDCL_H_
   3
   4 #include <stddef.h>
   5
   6 /* Declaration specifier kinds. */
   7 enum {
   8         CDECL_SPEC_TYPE = 0,
   9         CDECL_SPEC_STOR = 256,
  10         CDECL_SPEC_QUAL = 512,
  11         CDECL_SPEC_FUNC = 1024,
  12 };
  13
  14 enum {
  15         CDECL_TYPE_VOID = CDECL_SPEC_TYPE,
  16         CDECL_TYPE_CHAR,
  17         CDECL_TYPE_SHORT,
  18         CDECL_TYPE_INT,
  19         CDECL_TYPE_LONG,
  20         CDECL_TYPE_FLOAT,
  21         CDECL_TYPE_DOUBLE,
  22         CDECL_TYPE_SIGNED,
  23         CDECL_TYPE_UNSIGNED,
  24         CDECL_TYPE_BOOL,
  25         CDECL_TYPE_COMPLEX,
  26         CDECL_TYPE_STRUCT,
  27         CDECL_TYPE_UNION,
  28         CDECL_TYPE_ENUM,
  29         CDECL_TYPE_IDENT,
  30         CDECL_STOR_TYPEDEF = CDECL_SPEC_STOR,
  31         CDECL_STOR_EXTERN,
  32         CDECL_STOR_STATIC,
  33         CDECL_STOR_AUTO,
  34         CDECL_STOR_REGISTER,
  35         CDECL_QUAL_RESTRICT = CDECL_SPEC_QUAL,
  36         CDECL_QUAL_VOLATILE,
  37         CDECL_QUAL_CONST,
  38         CDECL_FUNC_INLINE = CDECL_SPEC_FUNC,
  39 };
  40
  41 /* Declarator types. */
  42 enum {
  43         CDECL_DECL_IDENT,
  44         CDECL_DECL_POINTER,
  45 };
  46
  47 struct cdecl {
  48         struct cdecl_declspec {
  49                 struct cdecl_declspec *next;
  50                 unsigned type;
  51                 char *ident;
  52         } *specifiers;
  53
  54         struct cdecl_declarator {
  55                 struct cdecl_declarator *next;
  56                 unsigned type;
  57                 union {
  58                         char *ident;
  59                         struct cdecl_pointer {
  60                                 struct cdecl_declspec   *qualifiers;
  61                                 struct cdecl_declarator *declarator;
  62                         } pointer;
  63                 } u;
  64         } *declarators;
  65 };
  66
  67 struct cdecl *cdecl_parse_decl(const char *declstr);
  68 void cdecl_free(struct cdecl *decl);
  69
  70 size_t cdecl_explain(char *buf, size_t n, struct cdecl *decl);
  71
  72 static inline int cdecl_spec_kind(struct cdecl_declspec *spec)
  73 {
  74         return spec->type & ~0xffu;
  75 }
  76
  77 #endif