#ifndef DYNAMIC_TYPING_
#define DYNAMIC_TYPING_

enum TYPE_KIND {
    TY_BASIC,
    TY_ARRAY,
    TY_POINTER,
    TY_FUNCTION,
    TY_STRUCT,
    TY_UNION,
};

struct type {
    enum TYPE_KIND kind;
    unsigned long size;

    // basic types:
    const char *basic;

    // array & pointer types:
    struct type *base;
    unsigned long length;

    // struct & union types
    struct type *members;
    struct type *next_member;
    unsigned long offset;
    const char *field_name;

    // function types:
    struct type *return_type;
    struct type *params;
    struct type *next_param;
};

struct type *dynamic_typeof(void *ptr);

struct type *make_basic(const char *type, unsigned long size);
struct type *make_array(struct type *base, unsigned long len);
struct type *make_pointer(struct type *base);
// function not supported yet
// for struct & union, the members are initialized by the caller
struct type *make_struct(unsigned long size);
struct type *make_union(unsigned long size);
void prepend_member(struct type *aggregate, struct type *member, const char *name, unsigned long offset);
void annotate_type(void *ptr, struct type *type);

#endif