ruby_internals-1.9.h

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#ifndef __RUBY_INTERNALS_HH__
#define __RUBY_INTERNALS_HH__

/* WARNING: this file contains copies of internal Ruby structures. They are not supposed to be copied (I think ;-)), but I had to nonetheless.
 * The following methods depend on these:
 *
 *   Kernel.swap!
 *   Proc#same_body?
 *   Proc#file
 *   Proc#line
 */

#include <ruby.h>
#include <ruby/intern.h>
#include <ruby/re.h>

typedef struct RNode {
    unsigned long flags;
    char *nd_file;
    union {
        struct RNode *node;
        ID id;
        VALUE value;
        VALUE (*cfunc)(ANYARGS);
        ID *tbl;
    } u1;
    union {
        struct RNode *node;
        ID id;
        long argc;
        VALUE value;
    } u2;
    union {
        struct RNode *node;
        ID id;
        long state;
        struct global_entry *entry;
        long cnt;
        VALUE value;
    } u3;
} NODE;

typedef struct RVALUE {
    union {
        struct {
            VALUE flags;                /* always 0 for freed obj */
            struct RVALUE *next;
        } free;
        struct RBasic  basic;
        struct RObject object;
        struct RClass  klass;
        struct RFloat  flonum;
        struct RString string;
        struct RArray  array;
        struct RRegexp regexp;
        struct RHash   hash;
        struct RData   data;
        struct RStruct rstruct;
        struct RBignum bignum;
        struct RFile   file;
        struct RNode   node;
        struct RMatch  match;
        struct RRational rational;
        struct RComplex complex;
    } as;
} RVALUE;

static const size_t SLOT_SIZE = sizeof(RVALUE);

#endif