1 files changed, 103 insertions, 0 deletions
diff --git a/src/method.h b/src/method.h
new file mode 100644
index 000000000..3591917a2
--- /dev/null
+++ b/src/method.h
@@ -0,0 +1,103 @@
+/**********************************************************************
+
+  method.h -
+
+  $Author: ko1 $
+  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
+} mrb_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, mrb_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) */
+} mrb_method_type_t;
+
+typedef struct mrb_method_cfunc_struct {
+    mrb_value (*func)(ANYARGS);
+    int argc;
+} mrb_method_cfunc_t;
+
+typedef struct mrb_method_attr_struct {
+    mrb_sym id;
+    mrb_value location;
+} mrb_method_attr_t;
+
+typedef struct mrb_iseq_struct mrb_iseq_t;
+
+typedef struct mrb_method_definition_struct {
+    mrb_method_type_t type; /* method type */
+    mrb_sym original_id;
+    union {
+      mrb_iseq_t *iseq;            /* should be mark */
+      mrb_method_cfunc_t cfunc;
+      mrb_method_attr_t attr;
+      mrb_value proc;                 /* should be mark */
+      enum method_optimized_type {
+          OPTIMIZED_METHOD_TYPE_SEND,
+          OPTIMIZED_METHOD_TYPE_CALL
+      } optimize_type;
+    } body;
+    int alias_count;
+} mrb_method_definition_t;
+
+typedef struct mrb_method_entry_struct {
+    mrb_method_flag_t flag;
+    char mark;
+    mrb_method_definition_t *def;
+    mrb_sym called_id;
+    mrb_value klass;                    /* should be mark */
+} mrb_method_entry_t;
+
+struct unlinked_method_entry_list_entry {
+    struct unlinked_method_entry_list_entry *next;
+    mrb_method_entry_t *me;
+};
+
+#define UNDEFINED_METHOD_ENTRY_P(me) (!(me) || !(me)->def || (me)->def->type == VM_METHOD_TYPE_UNDEF)
+
+void mrb_add_method_cfunc(mrb_value klass, mrb_sym mid, mrb_value (*func)(ANYARGS), int argc, mrb_method_flag_t noex);
+mrb_method_entry_t *mrb_add_method(mrb_value klass, mrb_sym mid, mrb_method_type_t type, void *option, mrb_method_flag_t noex);
+mrb_method_entry_t *mrb_method_entry(mrb_state *mrb, mrb_value klass, mrb_sym id);
+
+mrb_method_entry_t *mrb_method_entry_get_without_cache(mrb_value klass, mrb_sym id);
+mrb_method_entry_t *mrb_method_entry_set(mrb_value klass, mrb_sym mid, const mrb_method_entry_t *, mrb_method_flag_t noex);
+
+int mrb_method_entry_arity(const mrb_method_entry_t *me);
+
+void mrb_mark_method_entry(const mrb_method_entry_t *me);
+void mrb_free_method_entry(mrb_method_entry_t *me);
+void mrb_sweep_method_entry(void *vm);
+
+#endif /* METHOD_H */