214 lines
7.5 KiB
C
214 lines
7.5 KiB
C
/**********************************************************************
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method.h -
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$Author$
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created at: Wed Jul 15 20:02:33 2009
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Copyright (C) 2009 Koichi Sasada
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**********************************************************************/
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#ifndef RUBY_METHOD_H
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#define RUBY_METHOD_H 1
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#include "internal.h"
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#ifndef END_OF_ENUMERATION
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# if defined(__GNUC__) &&! defined(__STRICT_ANSI__)
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# define END_OF_ENUMERATION(key)
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# else
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# define END_OF_ENUMERATION(key) END_OF_##key##_PLACEHOLDER = 0
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# endif
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#endif
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/* cref */
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typedef enum {
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METHOD_VISI_UNDEF = 0x00,
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METHOD_VISI_PUBLIC = 0x01,
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METHOD_VISI_PRIVATE = 0x02,
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METHOD_VISI_PROTECTED = 0x03,
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METHOD_VISI_MASK = 0x03
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} rb_method_visibility_t;
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typedef struct rb_scope_visi_struct {
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rb_method_visibility_t method_visi : 3;
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unsigned int module_func : 1;
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} rb_scope_visibility_t;
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typedef struct rb_cref_struct {
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VALUE flags;
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const VALUE refinements;
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const VALUE klass;
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struct rb_cref_struct * const next;
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const rb_scope_visibility_t scope_visi;
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} rb_cref_t;
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/* method data type */
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typedef struct rb_method_entry_struct {
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VALUE flags;
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const VALUE defined_class;
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struct rb_method_definition_struct * const def;
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ID called_id;
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const VALUE owner;
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} rb_method_entry_t;
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typedef struct rb_callable_method_entry_struct { /* same fields with rb_method_entry_t */
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VALUE flags;
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const VALUE defined_class;
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struct rb_method_definition_struct * const def;
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ID called_id;
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const VALUE owner;
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} rb_callable_method_entry_t;
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#define METHOD_ENTRY_VISI(me) (rb_method_visibility_t)(((me)->flags & (IMEMO_FL_USER0 | IMEMO_FL_USER1)) >> (IMEMO_FL_USHIFT+0))
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#define METHOD_ENTRY_BASIC(me) (int) (((me)->flags & (IMEMO_FL_USER2 )) >> (IMEMO_FL_USHIFT+2))
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#define METHOD_ENTRY_COMPLEMENTED(me) ((me)->flags & IMEMO_FL_USER3)
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#define METHOD_ENTRY_COMPLEMENTED_SET(me) ((me)->flags = (me)->flags | IMEMO_FL_USER3)
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static inline void
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METHOD_ENTRY_VISI_SET(rb_method_entry_t *me, rb_method_visibility_t visi)
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{
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VM_ASSERT((int)visi >= 0 && visi <= 3);
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me->flags = (me->flags & ~(IMEMO_FL_USER0 | IMEMO_FL_USER1)) | (visi << (IMEMO_FL_USHIFT+0));
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}
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static inline void
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METHOD_ENTRY_BASIC_SET(rb_method_entry_t *me, unsigned int basic)
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{
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VM_ASSERT(basic <= 1);
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me->flags = (me->flags & ~(IMEMO_FL_USER2 )) | (basic << (IMEMO_FL_USHIFT+2));
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}
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static inline void
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METHOD_ENTRY_FLAGS_SET(rb_method_entry_t *me, rb_method_visibility_t visi, unsigned int basic)
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{
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VM_ASSERT((int)visi >= 0 && visi <= 3);
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VM_ASSERT(basic <= 1);
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me->flags =
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(me->flags & ~(IMEMO_FL_USER0|IMEMO_FL_USER1|IMEMO_FL_USER2)) |
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((visi << (IMEMO_FL_USHIFT+0)) | (basic << (IMEMO_FL_USHIFT+2)));
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}
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static inline void
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METHOD_ENTRY_FLAGS_COPY(rb_method_entry_t *dst, const rb_method_entry_t *src)
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{
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dst->flags =
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(dst->flags & ~(IMEMO_FL_USER0|IMEMO_FL_USER1|IMEMO_FL_USER2)) |
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(src->flags & (IMEMO_FL_USER0|IMEMO_FL_USER1|IMEMO_FL_USER2));
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}
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typedef enum {
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VM_METHOD_TYPE_ISEQ,
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VM_METHOD_TYPE_CFUNC,
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VM_METHOD_TYPE_ATTRSET,
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VM_METHOD_TYPE_IVAR,
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VM_METHOD_TYPE_BMETHOD,
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VM_METHOD_TYPE_ZSUPER,
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VM_METHOD_TYPE_ALIAS,
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VM_METHOD_TYPE_UNDEF,
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VM_METHOD_TYPE_NOTIMPLEMENTED,
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VM_METHOD_TYPE_OPTIMIZED, /* Kernel#send, Proc#call, etc */
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VM_METHOD_TYPE_MISSING, /* wrapper for method_missing(id) */
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VM_METHOD_TYPE_REFINED,
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END_OF_ENUMERATION(VM_METHOD_TYPE)
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} rb_method_type_t;
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#ifndef rb_iseq_t
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typedef struct rb_iseq_struct rb_iseq_t;
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#define rb_iseq_t rb_iseq_t
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#endif
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typedef struct rb_method_iseq_struct {
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const rb_iseq_t * const iseqptr; /* should be separated from iseqval */
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rb_cref_t * const cref; /* should be marked */
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} rb_method_iseq_t; /* check rb_add_method_iseq() when modify the fields */
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typedef struct rb_method_cfunc_struct {
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VALUE (*func)(ANYARGS);
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VALUE (*invoker)(VALUE (*func)(ANYARGS), VALUE recv, int argc, const VALUE *argv);
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int argc;
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} rb_method_cfunc_t;
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typedef struct rb_method_attr_struct {
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ID id;
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const VALUE location; /* should be marked */
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} rb_method_attr_t;
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typedef struct rb_method_alias_struct {
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const struct rb_method_entry_struct * const original_me; /* original_me->klass is original owner */
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} rb_method_alias_t;
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typedef struct rb_method_refined_struct {
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const struct rb_method_entry_struct * const orig_me;
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const VALUE owner;
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} rb_method_refined_t;
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typedef struct rb_method_definition_struct {
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rb_method_type_t type : 8; /* method type */
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int alias_count : 28;
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int complemented_count: 28;
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union {
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rb_method_iseq_t iseq;
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rb_method_cfunc_t cfunc;
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rb_method_attr_t attr;
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rb_method_alias_t alias;
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rb_method_refined_t refined;
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const VALUE proc; /* should be marked */
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enum method_optimized_type {
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OPTIMIZED_METHOD_TYPE_SEND,
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OPTIMIZED_METHOD_TYPE_CALL,
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OPTIMIZED_METHOD_TYPE__MAX
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} optimize_type;
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} body;
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ID original_id;
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} rb_method_definition_t;
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#define UNDEFINED_METHOD_ENTRY_P(me) (!(me) || !(me)->def || (me)->def->type == VM_METHOD_TYPE_UNDEF)
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#define UNDEFINED_REFINED_METHOD_P(def) \
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((def)->type == VM_METHOD_TYPE_REFINED && \
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UNDEFINED_METHOD_ENTRY_P((def)->body.refined.orig_me))
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void rb_add_method_cfunc(VALUE klass, ID mid, VALUE (*func)(ANYARGS), int argc, rb_method_visibility_t visi);
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void rb_add_method_iseq(VALUE klass, ID mid, const rb_iseq_t *iseq, rb_cref_t *cref, rb_method_visibility_t visi);
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void rb_add_refined_method_entry(VALUE refined_class, ID mid);
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rb_method_entry_t *rb_add_method(VALUE klass, ID mid, rb_method_type_t type, void *option, rb_method_visibility_t visi);
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rb_method_entry_t *rb_method_entry_set(VALUE klass, ID mid, const rb_method_entry_t *, rb_method_visibility_t noex);
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rb_method_entry_t *rb_method_entry_create(ID called_id, VALUE klass, rb_method_visibility_t visi, const rb_method_definition_t *def);
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const rb_method_entry_t *rb_method_entry_at(VALUE obj, ID id);
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const rb_method_entry_t *rb_method_entry(VALUE klass, ID id);
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const rb_method_entry_t *rb_method_entry_with_refinements(VALUE klass, ID id);
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const rb_method_entry_t *rb_method_entry_without_refinements(VALUE klass, ID id);
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const rb_method_entry_t *rb_resolve_refined_method(VALUE refinements, const rb_method_entry_t *me);
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const rb_callable_method_entry_t *rb_callable_method_entry(VALUE klass, ID id);
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const rb_callable_method_entry_t *rb_callable_method_entry_with_refinements(VALUE klass, ID id);
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const rb_callable_method_entry_t *rb_callable_method_entry_without_refinements(VALUE klass, ID id);
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const rb_callable_method_entry_t *rb_resolve_refined_method_callable(VALUE refinements, const rb_callable_method_entry_t *me);
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int rb_method_entry_arity(const rb_method_entry_t *me);
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int rb_method_entry_eq(const rb_method_entry_t *m1, const rb_method_entry_t *m2);
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st_index_t rb_hash_method_entry(st_index_t hash, const rb_method_entry_t *me);
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VALUE rb_method_entry_location(const rb_method_entry_t *me);
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VALUE rb_mod_method_location(VALUE mod, ID id);
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VALUE rb_obj_method_location(VALUE obj, ID id);
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void rb_free_method_entry(const rb_method_entry_t *me);
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void rb_sweep_method_entry(void *vm);
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const rb_method_entry_t *rb_method_entry_clone(const rb_method_entry_t *me);
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const rb_callable_method_entry_t *rb_method_entry_complement_defined_class(const rb_method_entry_t *src_me, ID called_id, VALUE defined_class);
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void rb_method_entry_copy(rb_method_entry_t *dst, const rb_method_entry_t *src);
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void rb_scope_visibility_set(rb_method_visibility_t);
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#endif /* RUBY_METHOD_H */
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