1 files changed, 103 insertions, 0 deletions
diff --git a/method.h b/method.h
new file mode 100644
index 0000000000..e03f0d2357
--- /dev/null
+++ b/method.h
@@ -0,0 +1,103 @@
+/**********************************************************************
+
+  method.h -
+
+  $Author$
+  created at: Wed Jul 15 20:02:33 2009
+
+  Copyright (C) 2009 Koichi Sasada
+
+**********************************************************************/
+#ifndef METHOD_H
+#define METHOD_H
+
+typedef enum {
+    NOEX_PUBLIC    = 0x00,
+    NOEX_NOSUPER   = 0x01,
+    NOEX_PRIVATE   = 0x02,
+    NOEX_PROTECTED = 0x04,
+    NOEX_MASK      = 0x06,
+    NOEX_BASIC     = 0x08,
+    NOEX_UNDEF     = NOEX_NOSUPER,
+    NOEX_MODFUNC   = 0x12,
+    NOEX_SUPER     = 0x20,
+    NOEX_VCALL     = 0x40,
+    NOEX_RESPONDS  = 0x80
+} rb_method_flag_t;
+
+#define NOEX_SAFE(n) ((int)((n) >> 8) & 0x0F)
+#define NOEX_WITH(n, s) ((s << 8) | (n) | (ruby_running ? 0 : NOEX_BASIC))
+#define NOEX_WITH_SAFE(n) NOEX_WITH(n, rb_safe_level())
+
+/* method data type */
+
+typedef enum {
+    VM_METHOD_TYPE_ISEQ,
+    VM_METHOD_TYPE_CFUNC,
+    VM_METHOD_TYPE_ATTRSET,
+    VM_METHOD_TYPE_IVAR,
+    VM_METHOD_TYPE_BMETHOD,
+    VM_METHOD_TYPE_ZSUPER,
+    VM_METHOD_TYPE_UNDEF,
+    VM_METHOD_TYPE_NOTIMPLEMENTED,
+    VM_METHOD_TYPE_OPTIMIZED, /* Kernel#send, Proc#call, etc */
+    VM_METHOD_TYPE_MISSING   /* wrapper for method_missing(id) */
+} rb_method_type_t;
+
+typedef struct rb_method_cfunc_struct {
+    VALUE (*func)(ANYARGS);
+    int argc;
+} rb_method_cfunc_t;
+
+typedef struct rb_method_attr_struct {
+    ID id;
+    VALUE location;
+} rb_method_attr_t;
+
+typedef struct rb_iseq_struct rb_iseq_t;
+
+typedef struct rb_method_definition_struct {
+    rb_method_type_t type; /* method type */
+    ID original_id;
+    union {
+	rb_iseq_t *iseq;            /* should be mark */
+	rb_method_cfunc_t cfunc;
+	rb_method_attr_t attr;
+	VALUE proc;                 /* should be mark */
+	enum method_optimized_type {
+	    OPTIMIZED_METHOD_TYPE_SEND,
+	    OPTIMIZED_METHOD_TYPE_CALL
+	} optimize_type;
+    } body;
+    int alias_count;
+} rb_method_definition_t;
+
+typedef struct rb_method_entry_struct {
+    rb_method_flag_t flag;
+    char mark;
+    rb_method_definition_t *def;
+    ID called_id;
+    VALUE klass;                    /* should be mark */
+} rb_method_entry_t;
+
+struct unlinked_method_entry_list_entry {
+    struct unlinked_method_entry_list_entry *next;
+    rb_method_entry_t *me;
+};
+
+#define UNDEFINED_METHOD_ENTRY_P(me) (!(me) || !(me)->def || (me)->def->type == VM_METHOD_TYPE_UNDEF)
+
+void rb_add_method_cfunc(VALUE klass, ID mid, VALUE (*func)(ANYARGS), int argc, rb_method_flag_t noex);
+rb_method_entry_t *rb_add_method(VALUE klass, ID mid, rb_method_type_t type, void *option, rb_method_flag_t noex);
+rb_method_entry_t *rb_method_entry(VALUE klass, ID id);
+
+rb_method_entry_t *rb_method_entry_get_without_cache(VALUE klass, ID id);
+rb_method_entry_t *rb_method_entry_set(VALUE klass, ID mid, const rb_method_entry_t *, rb_method_flag_t noex);
+
+int rb_method_entry_arity(const rb_method_entry_t *me);
+
+void rb_mark_method_entry(const rb_method_entry_t *me);
+void rb_free_method_entry(rb_method_entry_t *me);
+void rb_sweep_method_entry(void *vm);
+
+#endif /* METHOD_H */