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467035750e
internally. * re.c (rb_reg_initialize_m): should honor option status of original regexp. * array.c (rb_ary_equal): ary2 should be T_ARRAY (no to_ary conversion). * array.c (rb_ary_eql): ditto. * string.c (rb_str_equal): str2 should be T_STRING (no to_str conversion). git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3435 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
1469 lines
32 KiB
C
1469 lines
32 KiB
C
/**********************************************************************
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object.c -
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$Author$
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$Date$
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created at: Thu Jul 15 12:01:24 JST 1993
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Copyright (C) 1993-2003 Yukihiro Matsumoto
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Copyright (C) 2000 Network Applied Communication Laboratory, Inc.
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Copyright (C) 2000 Information-technology Promotion Agency, Japan
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**********************************************************************/
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#include "ruby.h"
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#include "st.h"
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#include "util.h"
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#include <stdio.h>
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#include <errno.h>
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#include <ctype.h>
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#include <math.h>
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VALUE rb_mKernel;
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VALUE rb_cObject;
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VALUE rb_cModule;
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VALUE rb_cClass;
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VALUE rb_cData;
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VALUE rb_cNilClass;
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VALUE rb_cTrueClass;
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VALUE rb_cFalseClass;
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VALUE rb_cSymbol;
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static ID eq, eql;
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static ID inspect;
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static ID copy_obj;
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VALUE
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rb_equal(obj1, obj2)
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VALUE obj1, obj2;
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{
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VALUE result;
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if (obj1 == obj2) return Qtrue;
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result = rb_funcall(obj1, eq, 1, obj2);
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if (RTEST(result)) return Qtrue;
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return Qfalse;
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}
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int
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rb_eql(obj1, obj2)
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VALUE obj1, obj2;
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{
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return RTEST(rb_funcall(obj1, eql, 1, obj2));
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}
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static VALUE
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rb_obj_equal(obj1, obj2)
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VALUE obj1, obj2;
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{
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if (obj1 == obj2) return Qtrue;
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return Qfalse;
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}
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VALUE
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rb_obj_id(obj)
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VALUE obj;
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{
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if (SPECIAL_CONST_P(obj)) {
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return LONG2NUM((long)obj);
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}
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return (VALUE)((long)obj|FIXNUM_FLAG);
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}
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VALUE
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rb_obj_id_obsolete(obj)
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VALUE obj;
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{
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rb_warning("Object#id will be deprecated; use Object#object_id");
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return rb_obj_id(obj);
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}
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VALUE
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rb_class_real(cl)
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VALUE cl;
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{
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while (FL_TEST(cl, FL_SINGLETON) || TYPE(cl) == T_ICLASS) {
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cl = RCLASS(cl)->super;
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}
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return cl;
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}
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VALUE
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rb_obj_type(obj)
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VALUE obj;
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{
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rb_warn("Object#type is deprecated; use Object#class");
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return rb_class_real(CLASS_OF(obj));
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}
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VALUE
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rb_obj_class(obj)
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VALUE obj;
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{
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return rb_class_real(CLASS_OF(obj));
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}
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static void
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copy_object(dest, obj)
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VALUE dest, obj;
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{
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if (OBJ_FROZEN(dest)) {
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rb_raise(rb_eTypeError, "[bug] frozen object (%s) allocated", rb_obj_classname(dest));
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}
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RBASIC(dest)->flags &= ~(T_MASK|FL_EXIVAR);
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RBASIC(dest)->flags |= RBASIC(obj)->flags & (T_MASK|FL_EXIVAR|FL_TAINT);
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rb_funcall(dest, copy_obj, 1, obj);
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if (FL_TEST(obj, FL_EXIVAR)) {
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rb_copy_generic_ivar(dest, obj);
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}
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rb_gc_copy_finalizer(dest, obj);
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switch (TYPE(obj)) {
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case T_OBJECT:
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case T_CLASS:
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case T_MODULE:
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if (ROBJECT(dest)->iv_tbl) {
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st_free_table(ROBJECT(dest)->iv_tbl);
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ROBJECT(dest)->iv_tbl = 0;
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}
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if (ROBJECT(obj)->iv_tbl) {
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ROBJECT(dest)->iv_tbl = st_copy(ROBJECT(obj)->iv_tbl);
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}
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}
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}
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VALUE
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rb_obj_clone(obj)
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VALUE obj;
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{
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VALUE clone;
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if (rb_special_const_p(obj)) {
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rb_raise(rb_eTypeError, "can't clone %s", rb_obj_classname(obj));
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}
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clone = rb_obj_alloc(rb_obj_class(obj));
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copy_object(clone, obj);
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RBASIC(clone)->klass = rb_singleton_class_clone(obj);
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RBASIC(clone)->flags = RBASIC(obj)->flags | FL_TEST(clone, FL_TAINT);
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return clone;
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}
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VALUE
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rb_obj_dup(obj)
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VALUE obj;
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{
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VALUE dup;
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if (rb_special_const_p(obj)) {
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rb_raise(rb_eTypeError, "can't dup %s", rb_obj_classname(obj));
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}
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dup = rb_obj_alloc(rb_obj_class(obj));
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copy_object(dup, obj);
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return dup;
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}
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VALUE
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rb_obj_copy_object(obj, orig)
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VALUE obj, orig;
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{
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if (obj == orig) return obj;
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rb_check_frozen(obj);
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if (TYPE(obj) != TYPE(orig) || rb_obj_class(obj) != rb_obj_class(orig)) {
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rb_raise(rb_eTypeError, "copy_object should take same class object");
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}
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return obj;
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}
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static VALUE
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rb_any_to_a(obj)
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VALUE obj;
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{
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rb_warn("default `to_a' will be obsolete");
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return rb_ary_new3(1, obj);
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}
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VALUE
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rb_any_to_s(obj)
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VALUE obj;
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{
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char *cname = rb_obj_classname(obj);
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VALUE str;
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str = rb_str_new(0, strlen(cname)+6+16+1); /* 6:tags 16:addr 1:nul */
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sprintf(RSTRING(str)->ptr, "#<%s:0x%lx>", cname, obj);
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RSTRING(str)->len = strlen(RSTRING(str)->ptr);
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if (OBJ_TAINTED(obj)) OBJ_TAINT(str);
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return str;
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}
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VALUE
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rb_inspect(obj)
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VALUE obj;
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{
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return rb_obj_as_string(rb_funcall(obj, inspect, 0, 0));
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}
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static int
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inspect_i(id, value, str)
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ID id;
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VALUE value;
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VALUE str;
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{
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VALUE str2;
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char *ivname;
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/* need not to show internal data */
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if (CLASS_OF(value) == 0) return ST_CONTINUE;
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if (!rb_is_instance_id(id)) return ST_CONTINUE;
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if (RSTRING(str)->ptr[0] == '-') { /* first element */
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RSTRING(str)->ptr[0] = '#';
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rb_str_cat2(str, " ");
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}
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else {
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rb_str_cat2(str, ", ");
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}
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ivname = rb_id2name(id);
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rb_str_cat2(str, ivname);
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rb_str_cat2(str, "=");
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str2 = rb_inspect(value);
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rb_str_append(str, str2);
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OBJ_INFECT(str, str2);
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return ST_CONTINUE;
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}
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static VALUE
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inspect_obj(obj, str)
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VALUE obj, str;
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{
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st_foreach(ROBJECT(obj)->iv_tbl, inspect_i, str);
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rb_str_cat2(str, ">");
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RSTRING(str)->ptr[0] = '#';
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OBJ_INFECT(str, obj);
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return str;
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}
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static VALUE
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rb_obj_inspect(obj)
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VALUE obj;
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{
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if (TYPE(obj) == T_OBJECT
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&& ROBJECT(obj)->iv_tbl
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&& ROBJECT(obj)->iv_tbl->num_entries > 0) {
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VALUE str;
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char *c;
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c = rb_obj_classname(obj);
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if (rb_inspecting_p(obj)) {
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str = rb_str_new(0, strlen(c)+10+16+1); /* 10:tags 16:addr 1:nul */
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sprintf(RSTRING(str)->ptr, "#<%s:0x%lx ...>", c, obj);
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RSTRING(str)->len = strlen(RSTRING(str)->ptr);
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return str;
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}
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str = rb_str_new(0, strlen(c)+6+16+1); /* 6:tags 16:addr 1:nul */
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sprintf(RSTRING(str)->ptr, "-<%s:0x%lx", c, obj);
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RSTRING(str)->len = strlen(RSTRING(str)->ptr);
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return rb_protect_inspect(inspect_obj, obj, str);
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}
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return rb_funcall(obj, rb_intern("to_s"), 0, 0);
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}
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VALUE
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rb_obj_is_instance_of(obj, c)
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VALUE obj, c;
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{
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switch (TYPE(c)) {
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case T_MODULE:
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case T_CLASS:
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case T_ICLASS:
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break;
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default:
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rb_raise(rb_eTypeError, "class or module required");
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}
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if (rb_obj_class(obj) == c) return Qtrue;
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return Qfalse;
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}
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VALUE
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rb_obj_is_kind_of(obj, c)
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VALUE obj, c;
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{
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VALUE cl = CLASS_OF(obj);
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switch (TYPE(c)) {
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case T_MODULE:
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case T_CLASS:
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case T_ICLASS:
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break;
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default:
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rb_raise(rb_eTypeError, "class or module required");
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}
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while (cl) {
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if (cl == c || RCLASS(cl)->m_tbl == RCLASS(c)->m_tbl)
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return Qtrue;
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cl = RCLASS(cl)->super;
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}
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return Qfalse;
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}
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static VALUE
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rb_obj_dummy()
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{
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return Qnil;
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}
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VALUE
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rb_obj_tainted(obj)
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VALUE obj;
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{
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if (OBJ_TAINTED(obj))
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return Qtrue;
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return Qfalse;
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}
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VALUE
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rb_obj_taint(obj)
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VALUE obj;
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{
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rb_secure(4);
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if (!OBJ_TAINTED(obj)) {
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if (OBJ_FROZEN(obj)) {
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rb_error_frozen("object");
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}
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OBJ_TAINT(obj);
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}
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return obj;
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}
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VALUE
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rb_obj_untaint(obj)
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VALUE obj;
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{
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rb_secure(3);
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if (OBJ_TAINTED(obj)) {
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if (OBJ_FROZEN(obj)) {
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rb_error_frozen("object");
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}
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FL_UNSET(obj, FL_TAINT);
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}
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return obj;
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}
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VALUE
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rb_obj_freeze(obj)
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VALUE obj;
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{
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if (!OBJ_FROZEN(obj)) {
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if (rb_safe_level() >= 4 && !OBJ_TAINTED(obj)) {
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rb_raise(rb_eSecurityError, "Insecure: can't freeze object");
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}
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OBJ_FREEZE(obj);
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}
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return obj;
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}
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static VALUE
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rb_obj_frozen_p(obj)
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VALUE obj;
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{
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if (OBJ_FROZEN(obj)) return Qtrue;
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return Qfalse;
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}
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static VALUE
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nil_to_i(obj)
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VALUE obj;
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{
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return INT2FIX(0);
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}
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static VALUE
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nil_to_f(obj)
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VALUE obj;
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{
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return rb_float_new(0.0);
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}
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static VALUE
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nil_to_s(obj)
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VALUE obj;
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{
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return rb_str_new2("");
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}
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static VALUE
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nil_to_a(obj)
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VALUE obj;
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{
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return rb_ary_new2(0);
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}
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static VALUE
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nil_inspect(obj)
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VALUE obj;
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{
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return rb_str_new2("nil");
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}
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#ifdef NIL_PLUS
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static VALUE
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nil_plus(x, y)
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VALUE x, y;
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{
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switch (TYPE(y)) {
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case T_NIL:
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case T_FIXNUM:
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case T_FLOAT:
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case T_BIGNUM:
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case T_STRING:
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case T_ARRAY:
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return y;
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default:
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rb_raise(rb_eTypeError, "tried to add %s(%s) to nil",
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RSTRING(rb_inspect(y))->ptr,
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rb_obj_classname(y));
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}
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/* not reached */
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}
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#endif
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static VALUE
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main_to_s(obj)
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VALUE obj;
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{
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return rb_str_new2("main");
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}
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static VALUE
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true_to_s(obj)
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VALUE obj;
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{
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return rb_str_new2("true");
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}
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static VALUE
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true_and(obj, obj2)
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VALUE obj, obj2;
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{
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return RTEST(obj2)?Qtrue:Qfalse;
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}
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static VALUE
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true_or(obj, obj2)
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VALUE obj, obj2;
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{
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return Qtrue;
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}
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static VALUE
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true_xor(obj, obj2)
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VALUE obj, obj2;
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{
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return RTEST(obj2)?Qfalse:Qtrue;
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}
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static VALUE
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false_to_s(obj)
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VALUE obj;
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{
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return rb_str_new2("false");
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}
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static VALUE
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false_and(obj, obj2)
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VALUE obj, obj2;
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{
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return Qfalse;
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}
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static VALUE
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false_or(obj, obj2)
|
|
VALUE obj, obj2;
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{
|
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return RTEST(obj2)?Qtrue:Qfalse;
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}
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static VALUE
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false_xor(obj, obj2)
|
|
VALUE obj, obj2;
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{
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return RTEST(obj2)?Qtrue:Qfalse;
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}
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static VALUE
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rb_true(obj)
|
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VALUE obj;
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{
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return Qtrue;
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}
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static VALUE
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rb_false(obj)
|
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VALUE obj;
|
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{
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|
return Qfalse;
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}
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|
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static VALUE
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|
sym_to_i(sym)
|
|
VALUE sym;
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|
{
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|
ID id = SYM2ID(sym);
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return LONG2FIX(id);
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}
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|
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static VALUE
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|
sym_inspect(sym)
|
|
VALUE sym;
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{
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|
VALUE str;
|
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char *name;
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ID id = SYM2ID(sym);
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name = rb_id2name(id);
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str = rb_str_new(0, strlen(name)+1);
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RSTRING(str)->ptr[0] = ':';
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strcpy(RSTRING(str)->ptr+1, name);
|
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if (rb_is_junk_id(id)) {
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str = rb_str_dump(str);
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strncpy(RSTRING(str)->ptr, ":\"", 2);
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|
}
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return str;
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}
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|
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static VALUE
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|
sym_to_s(sym)
|
|
VALUE sym;
|
|
{
|
|
return rb_str_new2(rb_id2name(SYM2ID(sym)));
|
|
}
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|
|
|
static VALUE
|
|
sym_to_sym(sym)
|
|
VALUE sym;
|
|
{
|
|
return sym;
|
|
}
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|
|
static VALUE
|
|
rb_mod_to_s(klass)
|
|
VALUE klass;
|
|
|
|
{
|
|
if (FL_TEST(klass, FL_SINGLETON)) {
|
|
VALUE s = rb_str_new2("#<");
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|
VALUE v = rb_iv_get(klass, "__attached__");
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|
|
rb_str_cat2(s, "Class:");
|
|
switch (TYPE(v)) {
|
|
case T_CLASS: case T_MODULE:
|
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rb_str_append(s, rb_inspect(v));
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break;
|
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default:
|
|
rb_str_append(s, rb_any_to_s(v));
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break;
|
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}
|
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rb_str_cat2(s, ">");
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return s;
|
|
}
|
|
return rb_str_dup(rb_class_path(klass));
|
|
}
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|
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static VALUE
|
|
rb_mod_eqq(mod, arg)
|
|
VALUE mod, arg;
|
|
{
|
|
return rb_obj_is_kind_of(arg, mod);
|
|
}
|
|
|
|
static VALUE
|
|
rb_mod_le(mod, arg)
|
|
VALUE mod, arg;
|
|
{
|
|
if (mod == arg) return Qtrue;
|
|
switch (TYPE(arg)) {
|
|
case T_MODULE:
|
|
case T_CLASS:
|
|
break;
|
|
default:
|
|
rb_raise(rb_eTypeError, "compared with non class/module");
|
|
}
|
|
|
|
while (mod) {
|
|
if (RCLASS(mod)->m_tbl == RCLASS(arg)->m_tbl)
|
|
return Qtrue;
|
|
mod = RCLASS(mod)->super;
|
|
}
|
|
return Qfalse;
|
|
}
|
|
|
|
static VALUE
|
|
rb_mod_lt(mod, arg)
|
|
VALUE mod, arg;
|
|
{
|
|
if (mod == arg) return Qfalse;
|
|
return rb_mod_le(mod, arg);
|
|
}
|
|
|
|
static VALUE
|
|
rb_mod_ge(mod, arg)
|
|
VALUE mod, arg;
|
|
{
|
|
switch (TYPE(arg)) {
|
|
case T_MODULE:
|
|
case T_CLASS:
|
|
break;
|
|
default:
|
|
rb_raise(rb_eTypeError, "compared with non class/module");
|
|
}
|
|
|
|
return rb_mod_le(arg, mod);
|
|
}
|
|
|
|
static VALUE
|
|
rb_mod_gt(mod, arg)
|
|
VALUE mod, arg;
|
|
{
|
|
if (mod == arg) return Qfalse;
|
|
return rb_mod_ge(mod, arg);
|
|
}
|
|
|
|
static VALUE
|
|
rb_mod_cmp(mod, arg)
|
|
VALUE mod, arg;
|
|
{
|
|
VALUE start = mod;
|
|
|
|
if (mod == arg) return INT2FIX(0);
|
|
switch (TYPE(arg)) {
|
|
case T_MODULE:
|
|
case T_CLASS:
|
|
break;
|
|
default:
|
|
return Qnil;
|
|
}
|
|
|
|
if (rb_mod_le(mod, arg)) {
|
|
return INT2FIX(-1);
|
|
}
|
|
|
|
while (arg) {
|
|
if (RCLASS(arg)->m_tbl == RCLASS(start)->m_tbl)
|
|
return INT2FIX(1);
|
|
arg = RCLASS(arg)->super;
|
|
}
|
|
return Qnil;
|
|
}
|
|
|
|
static VALUE
|
|
rb_mod_initialize(module)
|
|
VALUE module;
|
|
{
|
|
if (rb_block_given_p()) {
|
|
rb_mod_module_eval(0, 0, module);
|
|
}
|
|
return Qnil;
|
|
}
|
|
|
|
static VALUE
|
|
rb_class_initialize(argc, argv, klass)
|
|
int argc;
|
|
VALUE *argv;
|
|
VALUE klass;
|
|
{
|
|
return rb_mod_initialize(klass);
|
|
}
|
|
|
|
static VALUE rb_module_s_alloc _((VALUE));
|
|
static VALUE
|
|
rb_module_s_alloc(klass)
|
|
VALUE klass;
|
|
{
|
|
VALUE mod = rb_module_new();
|
|
|
|
RBASIC(mod)->klass = klass;
|
|
return mod;
|
|
}
|
|
|
|
static VALUE
|
|
rb_class_s_new(argc, argv)
|
|
int argc;
|
|
VALUE *argv;
|
|
{
|
|
VALUE super, klass;
|
|
|
|
if (rb_scan_args(argc, argv, "01", &super) == 0) {
|
|
super = rb_cObject;
|
|
}
|
|
klass = rb_class_new(super);
|
|
rb_make_metaclass(klass, RBASIC(super)->klass);
|
|
rb_obj_call_init(klass, argc, argv);
|
|
rb_class_inherited(super, klass);
|
|
|
|
return klass;
|
|
}
|
|
|
|
VALUE
|
|
rb_obj_alloc(klass)
|
|
VALUE klass;
|
|
{
|
|
VALUE obj = rb_funcall(klass, ID_ALLOCATOR, 0, 0);
|
|
|
|
if (rb_obj_class(obj) != rb_class_real(klass)) {
|
|
rb_raise(rb_eTypeError, "wrong instance allocation");
|
|
}
|
|
return obj;
|
|
}
|
|
|
|
static VALUE rb_class_allocate_instance _((VALUE));
|
|
static VALUE
|
|
rb_class_allocate_instance(klass)
|
|
VALUE klass;
|
|
{
|
|
if (FL_TEST(klass, FL_SINGLETON)) {
|
|
rb_raise(rb_eTypeError, "can't create instance of virtual class");
|
|
}
|
|
{
|
|
NEWOBJ(obj, struct RObject);
|
|
OBJSETUP(obj, klass, T_OBJECT);
|
|
return (VALUE)obj;
|
|
}
|
|
}
|
|
|
|
VALUE
|
|
rb_class_new_instance(argc, argv, klass)
|
|
int argc;
|
|
VALUE *argv;
|
|
VALUE klass;
|
|
{
|
|
VALUE obj;
|
|
|
|
obj = rb_obj_alloc(klass);
|
|
rb_obj_call_init(obj, argc, argv);
|
|
|
|
return obj;
|
|
}
|
|
|
|
static VALUE
|
|
rb_class_superclass(klass)
|
|
VALUE klass;
|
|
{
|
|
VALUE super = RCLASS(klass)->super;
|
|
|
|
while (TYPE(super) == T_ICLASS) {
|
|
super = RCLASS(super)->super;
|
|
}
|
|
if (!super) {
|
|
return Qnil;
|
|
}
|
|
return super;
|
|
}
|
|
|
|
ID
|
|
rb_to_id(name)
|
|
VALUE name;
|
|
{
|
|
ID id;
|
|
|
|
switch (TYPE(name)) {
|
|
case T_STRING:
|
|
return rb_intern(RSTRING(name)->ptr);
|
|
case T_FIXNUM:
|
|
id = FIX2LONG(name);
|
|
if (!rb_id2name(id)) {
|
|
rb_raise(rb_eArgError, "%ld is not a symbol", id);
|
|
}
|
|
break;
|
|
case T_SYMBOL:
|
|
id = SYM2ID(name);
|
|
break;
|
|
default:
|
|
rb_raise(rb_eTypeError, "%s is not a symbol", RSTRING(rb_inspect(name))->ptr);
|
|
}
|
|
return id;
|
|
}
|
|
|
|
static VALUE
|
|
rb_mod_attr(argc, argv, klass)
|
|
int argc;
|
|
VALUE *argv;
|
|
VALUE klass;
|
|
{
|
|
VALUE name, pub;
|
|
|
|
rb_scan_args(argc, argv, "11", &name, &pub);
|
|
rb_attr(klass, rb_to_id(name), 1, RTEST(pub), Qtrue);
|
|
return Qnil;
|
|
}
|
|
|
|
static VALUE
|
|
rb_mod_attr_reader(argc, argv, klass)
|
|
int argc;
|
|
VALUE *argv;
|
|
VALUE klass;
|
|
{
|
|
int i;
|
|
|
|
for (i=0; i<argc; i++) {
|
|
rb_attr(klass, rb_to_id(argv[i]), 1, 0, Qtrue);
|
|
}
|
|
return Qnil;
|
|
}
|
|
|
|
static VALUE
|
|
rb_mod_attr_writer(argc, argv, klass)
|
|
int argc;
|
|
VALUE *argv;
|
|
VALUE klass;
|
|
{
|
|
int i;
|
|
|
|
for (i=0; i<argc; i++) {
|
|
rb_attr(klass, rb_to_id(argv[i]), 0, 1, Qtrue);
|
|
}
|
|
return Qnil;
|
|
}
|
|
|
|
static VALUE
|
|
rb_mod_attr_accessor(argc, argv, klass)
|
|
int argc;
|
|
VALUE *argv;
|
|
VALUE klass;
|
|
{
|
|
int i;
|
|
|
|
for (i=0; i<argc; i++) {
|
|
rb_attr(klass, rb_to_id(argv[i]), 1, 1, Qtrue);
|
|
}
|
|
return Qnil;
|
|
}
|
|
|
|
static VALUE
|
|
rb_mod_const_get(mod, name)
|
|
VALUE mod, name;
|
|
{
|
|
ID id = rb_to_id(name);
|
|
|
|
if (!rb_is_const_id(id)) {
|
|
rb_name_error(id, "wrong constant name %s", rb_id2name(id));
|
|
}
|
|
return rb_const_get(mod, id);
|
|
}
|
|
|
|
static VALUE
|
|
rb_mod_const_set(mod, name, value)
|
|
VALUE mod, name, value;
|
|
{
|
|
ID id = rb_to_id(name);
|
|
|
|
if (!rb_is_const_id(id)) {
|
|
rb_name_error(id, "wrong constant name %s", rb_id2name(id));
|
|
}
|
|
rb_const_set(mod, id, value);
|
|
return value;
|
|
}
|
|
|
|
static VALUE
|
|
rb_mod_const_defined(mod, name)
|
|
VALUE mod, name;
|
|
{
|
|
ID id = rb_to_id(name);
|
|
|
|
if (!rb_is_const_id(id)) {
|
|
rb_name_error(id, "wrong constant name %s", rb_id2name(id));
|
|
}
|
|
return rb_const_defined_at(mod, id);
|
|
}
|
|
|
|
static VALUE
|
|
rb_obj_methods(obj)
|
|
VALUE obj;
|
|
{
|
|
VALUE argv[1];
|
|
|
|
argv[0] = Qtrue;
|
|
return rb_class_instance_methods(1, argv, CLASS_OF(obj));
|
|
}
|
|
|
|
static VALUE
|
|
rb_obj_protected_methods(obj)
|
|
VALUE obj;
|
|
{
|
|
VALUE argv[1];
|
|
|
|
argv[0] = Qtrue;
|
|
return rb_class_protected_instance_methods(1, argv, CLASS_OF(obj));
|
|
}
|
|
|
|
static VALUE
|
|
rb_obj_private_methods(obj)
|
|
VALUE obj;
|
|
{
|
|
VALUE argv[1];
|
|
|
|
argv[0] = Qtrue;
|
|
return rb_class_private_instance_methods(1, argv, CLASS_OF(obj));
|
|
}
|
|
|
|
static VALUE
|
|
rb_obj_public_methods(obj)
|
|
VALUE obj;
|
|
{
|
|
VALUE argv[1];
|
|
|
|
argv[0] = Qtrue;
|
|
return rb_class_public_instance_methods(1, argv, CLASS_OF(obj));
|
|
}
|
|
|
|
static VALUE
|
|
convert_type(val, tname, method, raise)
|
|
VALUE val;
|
|
const char *tname, *method;
|
|
int raise;
|
|
{
|
|
ID m;
|
|
|
|
m = rb_intern(method);
|
|
if (!rb_respond_to(val, m)) {
|
|
if (raise) {
|
|
rb_raise(rb_eTypeError, "cannot convert %s into %s",
|
|
NIL_P(val) ? "nil" :
|
|
val == Qtrue ? "true" :
|
|
val == Qfalse ? "false" :
|
|
rb_obj_classname(val),
|
|
tname);
|
|
}
|
|
else {
|
|
return Qnil;
|
|
}
|
|
}
|
|
return rb_funcall(val, m, 0);
|
|
}
|
|
|
|
VALUE
|
|
rb_convert_type(val, type, tname, method)
|
|
VALUE val;
|
|
int type;
|
|
const char *tname, *method;
|
|
{
|
|
VALUE v;
|
|
|
|
if (TYPE(val) == type) return val;
|
|
v = convert_type(val, tname, method, Qtrue);
|
|
if (TYPE(v) != type) {
|
|
rb_raise(rb_eTypeError, "%s#%s should return %s",
|
|
rb_obj_classname(val), method, tname);
|
|
}
|
|
return v;
|
|
}
|
|
|
|
VALUE
|
|
rb_check_convert_type(val, type, tname, method)
|
|
VALUE val;
|
|
int type;
|
|
const char *tname, *method;
|
|
{
|
|
VALUE v;
|
|
|
|
/* always convert T_DATA */
|
|
if (TYPE(val) == type && type != T_DATA) return val;
|
|
v = convert_type(val, tname, method, Qfalse);
|
|
if (NIL_P(v)) return Qnil;
|
|
if (TYPE(v) != type) {
|
|
rb_raise(rb_eTypeError, "%s#%s should return %s",
|
|
rb_obj_classname(val), method, tname);
|
|
}
|
|
return v;
|
|
}
|
|
|
|
|
|
static VALUE
|
|
rb_to_integer(val, method)
|
|
VALUE val;
|
|
char *method;
|
|
{
|
|
VALUE v = convert_type(val, "Integer", method, Qtrue);
|
|
if (!rb_obj_is_kind_of(v, rb_cInteger)) {
|
|
rb_raise(rb_eTypeError, "%s#%s should return Integer",
|
|
rb_obj_classname(val), method);
|
|
}
|
|
return v;
|
|
}
|
|
|
|
VALUE
|
|
rb_to_int(val)
|
|
VALUE val;
|
|
{
|
|
return rb_to_integer(val, "to_int");
|
|
}
|
|
|
|
VALUE
|
|
rb_Integer(val)
|
|
VALUE val;
|
|
{
|
|
switch (TYPE(val)) {
|
|
case T_FLOAT:
|
|
if (RFLOAT(val)->value <= (double)FIXNUM_MAX
|
|
&& RFLOAT(val)->value >= (double)FIXNUM_MIN) {
|
|
break;
|
|
}
|
|
return rb_dbl2big(RFLOAT(val)->value);
|
|
|
|
case T_FIXNUM:
|
|
case T_BIGNUM:
|
|
return val;
|
|
|
|
case T_STRING:
|
|
return rb_str_to_inum(val, 0, Qtrue);
|
|
|
|
default:
|
|
break;
|
|
}
|
|
if (rb_respond_to(val, rb_intern("to_int"))) {
|
|
return rb_to_integer(val, "to_int");
|
|
}
|
|
return rb_to_integer(val, "to_i");
|
|
}
|
|
|
|
static VALUE
|
|
rb_f_integer(obj, arg)
|
|
VALUE obj, arg;
|
|
{
|
|
return rb_Integer(arg);
|
|
}
|
|
|
|
double
|
|
rb_cstr_to_dbl(p, badcheck)
|
|
const char *p;
|
|
int badcheck;
|
|
{
|
|
const char *q;
|
|
char *end;
|
|
double d;
|
|
|
|
if (!p) return 0.0;
|
|
q = p;
|
|
if (badcheck) {
|
|
while (ISSPACE(*p)) p++;
|
|
}
|
|
else {
|
|
while (ISSPACE(*p) || *p == '_') p++;
|
|
}
|
|
d = strtod(p, &end);
|
|
if (p == end) {
|
|
if (badcheck) {
|
|
bad:
|
|
rb_invalid_str(q, "Float()");
|
|
}
|
|
return d;
|
|
}
|
|
if (*end) {
|
|
char *buf = ALLOCA_N(char, strlen(p)+1);
|
|
char *n = buf;
|
|
|
|
while (p < end) *n++ = *p++;
|
|
while (*p) {
|
|
if (*p == '_') {
|
|
/* remove underscores between digits */
|
|
if (badcheck) {
|
|
if (n == buf || !ISDIGIT(n[-1])) goto bad;
|
|
++p;
|
|
if (!ISDIGIT(*p)) goto bad;
|
|
}
|
|
else {
|
|
while (*++p == '_');
|
|
continue;
|
|
}
|
|
}
|
|
*n++ = *p++;
|
|
}
|
|
*n = '\0';
|
|
p = buf;
|
|
d = strtod(p, &end);
|
|
if (badcheck) {
|
|
if (p == end) goto bad;
|
|
while (*end && ISSPACE(*end)) end++;
|
|
if (*end) goto bad;
|
|
}
|
|
}
|
|
if (errno == ERANGE) {
|
|
errno = 0;
|
|
rb_raise(rb_eArgError, "Float %s out of range", q);
|
|
}
|
|
return d;
|
|
}
|
|
|
|
double
|
|
rb_str_to_dbl(str, badcheck)
|
|
VALUE str;
|
|
int badcheck;
|
|
{
|
|
char *s;
|
|
long len;
|
|
|
|
StringValue(str);
|
|
s = RSTRING(str)->ptr;
|
|
len = RSTRING(str)->len;
|
|
if (s) {
|
|
if (s[len]) { /* no sentinel somehow */
|
|
char *p = ALLOCA_N(char, len+1);
|
|
|
|
MEMCPY(p, s, char, len);
|
|
p[len] = '\0';
|
|
s = p;
|
|
}
|
|
if (badcheck && len != strlen(s)) {
|
|
rb_raise(rb_eArgError, "string for Float contains null byte");
|
|
}
|
|
}
|
|
return rb_cstr_to_dbl(s, badcheck);
|
|
}
|
|
|
|
VALUE
|
|
rb_Float(val)
|
|
VALUE val;
|
|
{
|
|
switch (TYPE(val)) {
|
|
case T_FIXNUM:
|
|
return rb_float_new((double)FIX2LONG(val));
|
|
|
|
case T_FLOAT:
|
|
return val;
|
|
|
|
case T_BIGNUM:
|
|
return rb_float_new(rb_big2dbl(val));
|
|
|
|
case T_STRING:
|
|
return rb_float_new(rb_str_to_dbl(val, Qtrue));
|
|
|
|
case T_NIL:
|
|
rb_raise(rb_eTypeError, "cannot convert nil into Float");
|
|
break;
|
|
|
|
default:
|
|
{
|
|
VALUE f = rb_convert_type(val, T_FLOAT, "Float", "to_f");
|
|
if (isnan(RFLOAT(f)->value)) {
|
|
rb_raise(rb_eArgError, "invalid value for Float()");
|
|
}
|
|
return f;
|
|
}
|
|
}
|
|
}
|
|
|
|
static VALUE
|
|
rb_f_float(obj, arg)
|
|
VALUE obj, arg;
|
|
{
|
|
return rb_Float(arg);
|
|
}
|
|
|
|
double
|
|
rb_num2dbl(val)
|
|
VALUE val;
|
|
{
|
|
switch (TYPE(val)) {
|
|
case T_FLOAT:
|
|
return RFLOAT(val)->value;
|
|
|
|
case T_STRING:
|
|
rb_raise(rb_eTypeError, "no implicit conversion to float from string");
|
|
break;
|
|
|
|
case T_NIL:
|
|
rb_raise(rb_eTypeError, "no implicit conversion to float from nil");
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return RFLOAT(rb_Float(val))->value;
|
|
}
|
|
|
|
char*
|
|
rb_str2cstr(str, len)
|
|
VALUE str;
|
|
long *len;
|
|
{
|
|
StringValue(str);
|
|
if (len) *len = RSTRING(str)->len;
|
|
else if (RTEST(ruby_verbose) && RSTRING(str)->len != strlen(RSTRING(str)->ptr)) {
|
|
rb_warn("string contains \\0 character");
|
|
}
|
|
return RSTRING(str)->ptr;
|
|
}
|
|
|
|
VALUE
|
|
rb_String(val)
|
|
VALUE val;
|
|
{
|
|
return rb_convert_type(val, T_STRING, "String", "to_s");
|
|
}
|
|
|
|
static VALUE
|
|
rb_f_string(obj, arg)
|
|
VALUE obj, arg;
|
|
{
|
|
return rb_String(arg);
|
|
}
|
|
|
|
VALUE
|
|
rb_Array(val)
|
|
VALUE val;
|
|
{
|
|
ID to_ary;
|
|
|
|
if (NIL_P(val)) {
|
|
rb_raise(rb_eTypeError, "cannot convert nil into Array");
|
|
}
|
|
if (TYPE(val) == T_ARRAY) return val;
|
|
to_ary = rb_intern("to_ary");
|
|
if (rb_respond_to(val, to_ary)) {
|
|
val = rb_funcall(val, to_ary, 0);
|
|
}
|
|
else {
|
|
val = rb_funcall(val, rb_intern("to_a"), 0);
|
|
}
|
|
if (TYPE(val) != T_ARRAY) {
|
|
rb_raise(rb_eTypeError, "`to_a' did not return Array");
|
|
}
|
|
return val;
|
|
}
|
|
|
|
static VALUE
|
|
rb_f_array(obj, arg)
|
|
VALUE obj, arg;
|
|
{
|
|
return rb_Array(arg);
|
|
}
|
|
|
|
static VALUE
|
|
boot_defclass(name, super)
|
|
char *name;
|
|
VALUE super;
|
|
{
|
|
extern st_table *rb_class_tbl;
|
|
VALUE obj = rb_class_boot(super);
|
|
ID id = rb_intern(name);
|
|
|
|
rb_name_class(obj, id);
|
|
st_add_direct(rb_class_tbl, id, obj);
|
|
return obj;
|
|
}
|
|
|
|
VALUE ruby_top_self;
|
|
|
|
void
|
|
Init_Object()
|
|
{
|
|
VALUE metaclass;
|
|
|
|
rb_cObject = boot_defclass("Object", 0);
|
|
rb_cModule = boot_defclass("Module", rb_cObject);
|
|
rb_cClass = boot_defclass("Class", rb_cModule);
|
|
|
|
metaclass = rb_make_metaclass(rb_cObject, rb_cClass);
|
|
metaclass = rb_make_metaclass(rb_cModule, metaclass);
|
|
metaclass = rb_make_metaclass(rb_cClass, metaclass);
|
|
|
|
rb_mKernel = rb_define_module("Kernel");
|
|
rb_include_module(rb_cObject, rb_mKernel);
|
|
rb_define_alloc_func(rb_cObject, rb_class_allocate_instance);
|
|
rb_define_private_method(rb_cObject, "initialize", rb_obj_dummy, 0);
|
|
rb_define_private_method(rb_cClass, "inherited", rb_obj_dummy, 1);
|
|
rb_define_private_method(rb_cModule, "included", rb_obj_dummy, 1);
|
|
rb_define_private_method(rb_cModule, "method_added", rb_obj_dummy, 1);
|
|
rb_define_private_method(rb_cModule, "method_removed", rb_obj_dummy, 1);
|
|
rb_define_private_method(rb_cModule, "method_undefined", rb_obj_dummy, 1);
|
|
|
|
/*
|
|
* Ruby's Class Hierarchy Chart
|
|
*
|
|
* +------------------+
|
|
* | |
|
|
* Object---->(Object) |
|
|
* ^ ^ ^ ^ |
|
|
* | | | | |
|
|
* | | +-----+ +---------+ |
|
|
* | | | | |
|
|
* | +-----------+ | |
|
|
* | | | | |
|
|
* +------+ | Module--->(Module) |
|
|
* | | ^ ^ |
|
|
* OtherClass-->(OtherClass) | | |
|
|
* | | |
|
|
* Class---->(Class) |
|
|
* ^ |
|
|
* | |
|
|
* +----------------+
|
|
*
|
|
* + All metaclasses are instances of the class `Class'.
|
|
*/
|
|
|
|
rb_define_method(rb_mKernel, "nil?", rb_false, 0);
|
|
rb_define_method(rb_mKernel, "==", rb_obj_equal, 1);
|
|
rb_define_method(rb_mKernel, "equal?", rb_obj_equal, 1);
|
|
rb_define_method(rb_mKernel, "===", rb_equal, 1);
|
|
rb_define_method(rb_mKernel, "=~", rb_false, 1);
|
|
|
|
rb_define_method(rb_mKernel, "eql?", rb_obj_equal, 1);
|
|
|
|
rb_define_method(rb_mKernel, "hash", rb_obj_id, 0);
|
|
rb_define_method(rb_mKernel, "id", rb_obj_id_obsolete, 0);
|
|
rb_define_method(rb_mKernel, "__id__", rb_obj_id, 0);
|
|
rb_define_method(rb_mKernel, "object_id", rb_obj_id, 0);
|
|
rb_define_method(rb_mKernel, "type", rb_obj_type, 0);
|
|
rb_define_method(rb_mKernel, "class", rb_obj_class, 0);
|
|
|
|
rb_define_method(rb_mKernel, "clone", rb_obj_clone, 0);
|
|
rb_define_method(rb_mKernel, "dup", rb_obj_dup, 0);
|
|
rb_define_method(rb_mKernel, "copy_object", rb_obj_copy_object, 1);
|
|
|
|
rb_define_method(rb_mKernel, "taint", rb_obj_taint, 0);
|
|
rb_define_method(rb_mKernel, "tainted?", rb_obj_tainted, 0);
|
|
rb_define_method(rb_mKernel, "untaint", rb_obj_untaint, 0);
|
|
rb_define_method(rb_mKernel, "freeze", rb_obj_freeze, 0);
|
|
rb_define_method(rb_mKernel, "frozen?", rb_obj_frozen_p, 0);
|
|
|
|
rb_define_method(rb_mKernel, "to_a", rb_any_to_a, 0); /* to be removed */
|
|
rb_define_method(rb_mKernel, "to_s", rb_any_to_s, 0);
|
|
rb_define_method(rb_mKernel, "inspect", rb_obj_inspect, 0);
|
|
rb_define_method(rb_mKernel, "methods", rb_obj_methods, 0);
|
|
rb_define_method(rb_mKernel, "public_methods", rb_obj_methods, 0);
|
|
rb_define_method(rb_mKernel, "singleton_methods", rb_obj_singleton_methods, -1);
|
|
rb_define_method(rb_mKernel, "protected_methods", rb_obj_protected_methods, 0);
|
|
rb_define_method(rb_mKernel, "private_methods", rb_obj_private_methods, 0);
|
|
rb_define_method(rb_mKernel, "public_methods", rb_obj_public_methods, 0);
|
|
rb_define_method(rb_mKernel, "instance_variables", rb_obj_instance_variables, 0);
|
|
rb_define_private_method(rb_mKernel, "remove_instance_variable",
|
|
rb_obj_remove_instance_variable, 1);
|
|
|
|
rb_define_method(rb_mKernel, "instance_of?", rb_obj_is_instance_of, 1);
|
|
rb_define_method(rb_mKernel, "kind_of?", rb_obj_is_kind_of, 1);
|
|
rb_define_method(rb_mKernel, "is_a?", rb_obj_is_kind_of, 1);
|
|
|
|
rb_define_global_function("singleton_method_added", rb_obj_dummy, 1);
|
|
rb_define_global_function("singleton_method_removed", rb_obj_dummy, 1);
|
|
rb_define_global_function("singleton_method_undefined", rb_obj_dummy, 1);
|
|
|
|
rb_define_global_function("sprintf", rb_f_sprintf, -1);
|
|
rb_define_global_function("format", rb_f_sprintf, -1);
|
|
|
|
rb_define_global_function("Integer", rb_f_integer, 1);
|
|
rb_define_global_function("Float", rb_f_float, 1);
|
|
|
|
rb_define_global_function("String", rb_f_string, 1);
|
|
rb_define_global_function("Array", rb_f_array, 1);
|
|
|
|
rb_cNilClass = rb_define_class("NilClass", rb_cObject);
|
|
rb_define_method(rb_cNilClass, "to_i", nil_to_i, 0);
|
|
rb_define_method(rb_cNilClass, "to_f", nil_to_f, 0);
|
|
rb_define_method(rb_cNilClass, "to_s", nil_to_s, 0);
|
|
rb_define_method(rb_cNilClass, "to_a", nil_to_a, 0);
|
|
rb_define_method(rb_cNilClass, "inspect", nil_inspect, 0);
|
|
rb_define_method(rb_cNilClass, "&", false_and, 1);
|
|
rb_define_method(rb_cNilClass, "|", false_or, 1);
|
|
rb_define_method(rb_cNilClass, "^", false_xor, 1);
|
|
|
|
rb_define_method(rb_cNilClass, "nil?", rb_true, 0);
|
|
rb_undef_alloc_func(rb_cNilClass);
|
|
rb_undef_method(CLASS_OF(rb_cNilClass), "new");
|
|
rb_define_global_const("NIL", Qnil);
|
|
|
|
rb_cSymbol = rb_define_class("Symbol", rb_cObject);
|
|
rb_define_singleton_method(rb_cSymbol, "all_symbols", rb_sym_all_symbols, 0);
|
|
rb_undef_alloc_func(rb_cSymbol);
|
|
rb_undef_method(CLASS_OF(rb_cSymbol), "new");
|
|
|
|
rb_define_method(rb_cSymbol, "to_i", sym_to_i, 0);
|
|
rb_define_method(rb_cSymbol, "to_int", sym_to_i, 0);
|
|
rb_define_method(rb_cSymbol, "inspect", sym_inspect, 0);
|
|
rb_define_method(rb_cSymbol, "to_s", sym_to_s, 0);
|
|
rb_define_method(rb_cSymbol, "id2name", sym_to_s, 0);
|
|
rb_define_method(rb_cSymbol, "to_sym", sym_to_sym, 0);
|
|
|
|
rb_define_method(rb_cModule, "===", rb_mod_eqq, 1);
|
|
rb_define_method(rb_cModule, "==", rb_obj_equal, 1);
|
|
rb_define_method(rb_cModule, "<=>", rb_mod_cmp, 1);
|
|
rb_define_method(rb_cModule, "<", rb_mod_lt, 1);
|
|
rb_define_method(rb_cModule, "<=", rb_mod_le, 1);
|
|
rb_define_method(rb_cModule, ">", rb_mod_gt, 1);
|
|
rb_define_method(rb_cModule, ">=", rb_mod_ge, 1);
|
|
rb_define_method(rb_cModule, "clone", rb_mod_clone, 0);
|
|
rb_define_method(rb_cModule, "dup", rb_mod_dup, 0);
|
|
rb_define_method(rb_cModule, "to_s", rb_mod_to_s, 0);
|
|
rb_define_method(rb_cModule, "included_modules", rb_mod_included_modules, 0);
|
|
rb_define_method(rb_cModule, "include?", rb_mod_include_p, 1);
|
|
rb_define_method(rb_cModule, "name", rb_mod_name, 0);
|
|
rb_define_method(rb_cModule, "ancestors", rb_mod_ancestors, 0);
|
|
|
|
rb_define_private_method(rb_cModule, "attr", rb_mod_attr, -1);
|
|
rb_define_private_method(rb_cModule, "attr_reader", rb_mod_attr_reader, -1);
|
|
rb_define_private_method(rb_cModule, "attr_writer", rb_mod_attr_writer, -1);
|
|
rb_define_private_method(rb_cModule, "attr_accessor", rb_mod_attr_accessor, -1);
|
|
|
|
rb_define_alloc_func(rb_cModule, rb_module_s_alloc);
|
|
rb_define_method(rb_cModule, "initialize", rb_mod_initialize, 0);
|
|
rb_define_method(rb_cModule, "instance_methods", rb_class_instance_methods, -1);
|
|
rb_define_method(rb_cModule, "public_instance_methods", rb_class_public_instance_methods, -1);
|
|
rb_define_method(rb_cModule, "protected_instance_methods", rb_class_protected_instance_methods, -1);
|
|
rb_define_method(rb_cModule, "private_instance_methods", rb_class_private_instance_methods, -1);
|
|
|
|
rb_define_method(rb_cModule, "constants", rb_mod_constants, 0);
|
|
rb_define_method(rb_cModule, "const_get", rb_mod_const_get, 1);
|
|
rb_define_method(rb_cModule, "const_set", rb_mod_const_set, 2);
|
|
rb_define_method(rb_cModule, "const_defined?", rb_mod_const_defined, 1);
|
|
rb_define_private_method(rb_cModule, "remove_const", rb_mod_remove_const, 1);
|
|
rb_define_method(rb_cModule, "class_variables", rb_mod_class_variables, 0);
|
|
rb_define_private_method(rb_cModule, "remove_class_variable", rb_mod_remove_cvar, 1);
|
|
|
|
rb_define_method(rb_cClass, "allocate", rb_obj_alloc, 0);
|
|
rb_define_method(rb_cClass, "new", rb_class_new_instance, -1);
|
|
rb_define_method(rb_cClass, "initialize", rb_class_initialize, -1);
|
|
rb_define_method(rb_cClass, "superclass", rb_class_superclass, 0);
|
|
rb_undef_alloc_func(rb_cClass);
|
|
rb_define_singleton_method(rb_cClass, "new", rb_class_s_new, -1);
|
|
rb_undef_method(rb_cClass, "extend_object");
|
|
rb_undef_method(rb_cClass, "append_features");
|
|
|
|
rb_cData = rb_define_class("Data", rb_cObject);
|
|
rb_undef_alloc_func(rb_cData);
|
|
|
|
ruby_top_self = rb_obj_alloc(rb_cObject);
|
|
rb_global_variable(&ruby_top_self);
|
|
rb_define_singleton_method(ruby_top_self, "to_s", main_to_s, 0);
|
|
|
|
rb_cTrueClass = rb_define_class("TrueClass", rb_cObject);
|
|
rb_define_method(rb_cTrueClass, "to_s", true_to_s, 0);
|
|
rb_define_method(rb_cTrueClass, "&", true_and, 1);
|
|
rb_define_method(rb_cTrueClass, "|", true_or, 1);
|
|
rb_define_method(rb_cTrueClass, "^", true_xor, 1);
|
|
rb_undef_alloc_func(rb_cTrueClass);
|
|
rb_undef_method(CLASS_OF(rb_cTrueClass), "new");
|
|
rb_define_global_const("TRUE", Qtrue);
|
|
|
|
rb_cFalseClass = rb_define_class("FalseClass", rb_cObject);
|
|
rb_define_method(rb_cFalseClass, "to_s", false_to_s, 0);
|
|
rb_define_method(rb_cFalseClass, "&", false_and, 1);
|
|
rb_define_method(rb_cFalseClass, "|", false_or, 1);
|
|
rb_define_method(rb_cFalseClass, "^", false_xor, 1);
|
|
rb_undef_alloc_func(rb_cFalseClass);
|
|
rb_undef_method(CLASS_OF(rb_cFalseClass), "new");
|
|
rb_define_global_const("FALSE", Qfalse);
|
|
|
|
eq = rb_intern("==");
|
|
eql = rb_intern("eql?");
|
|
inspect = rb_intern("inspect");
|
|
copy_obj = rb_intern("copy_object");
|
|
}
|