ruby-dev

遠藤と申します。

1.9 でブロック引数に proc 以外の値を与えたときの例外が、値によらず
wrong argument type NilClass (expected Proc) になります。


$ ./ruby -e 'foo(&1)'
-e:1:in `<main>': wrong argument type NilClass (expected Proc) (TypeError)


この場合は wrong argument type Fixnum (expected Proc) になって欲しいと
思います。1.8 の eval.c では以下のように対策済みでした。


Index: insnhelper.ci
===================================================================
--- insnhelper.ci	(revision 12674)
+++ insnhelper.ci	(working copy)
@@ -198,18 +198,19 @@
     if (block) {
 	if (flag & VM_CALL_ARGS_BLOCKARG_BIT) {
 	    rb_proc_t *po;
-	    VALUE proc;
+	    VALUE proc, b;

 	    proc = *(--cfp->sp);

 	    if (proc != Qnil) {
 		if (!rb_obj_is_proc(proc)) {
-		    proc = rb_check_convert_type(proc, T_DATA, "Proc", "to_proc");
-		    if (!rb_obj_is_proc(proc)) {
+		    b = rb_check_convert_type(proc, T_DATA, "Proc", "to_proc");
+		    if (!rb_obj_is_proc(b)) {
 			rb_raise(rb_eTypeError,
 				 "wrong argument type %s (expected Proc)",
 				 rb_obj_classname(proc));
 		    }
+		    proc = b;
 		}
 		GetProcPtr(proc, po);
 		blockptr = &po->block;

-- 
Yusuke ENDOH <mame@tsg.ne.jp>

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[#31101] exception when converting block arg — "Yusuke ENDOH" <mame@...>

[#31102] [*0];0 dumps core — "Yusuke ENDOH" <mame@...>

[#31104] v0,(*,v1,) = 0 dumps core — Tanaka Akira <akr@...>

[#31107] *v1,(*) = 0: Stack consistency error — Tanaka Akira <akr@...>

[#31109] assignment syntax — Tanaka Akira <akr@...>

[#31110] ary[]+=1 dumps core — "Yusuke ENDOH" <mame@...>

[#31118] 0..$1=0 dumps core — "Yusuke ENDOH" <mame@...>

[#31119] loop{x+=1&&next} dumps core — "Yusuke ENDOH" <mame@...>

[#31132] (v,) = [[]] — Tanaka Akira <akr@...>

[#31136] *a = *nil — Tanaka Akira <akr@...>

[#31138] nil.to_splat — Tanaka Akira <akr@...>

[#31140] ripper.y:3235: error: syntax error before '}' token — pegacorn <subscriber.jp@...>

[#31141] SEGV by m {|(*,v)|} — Tanaka Akira <akr@...>

[#31142] yield :k=>:v, *[] — Tanaka Akira <akr@...>

[#31143] m {|(*,(*)),|} — Tanaka Akira <akr@...>

[#31145] make test result — SASADA Koichi <ko1@...>

[#31147] Proc from yield — Tanaka Akira <akr@...>

[#31148] lib/irb/completion.rb needs .to_s — "NARUSE, Yui" <naruse@...>

[#31149] net/http: path.empty? was removed when path is nil — "NARUSE, Yui" <naruse@...>

[#31151] trunk: rdoc: format.rb 処理中に Bus error — pegacorn <subscriber.jp@...>

[#31153] syntax error: m {|(*,a,b)|} — Tanaka Akira <akr@...>

[#31160] Stack consistency error: m {|(v,(*))|} — Tanaka Akira <akr@...>

[#31162] rb_eval_string("lambda{}") dumps core — Masahiro Sakai (酒井政裕) <masahiro.sakai@...>

[#31163] Invalid read of size 4: valgrind ./ruby -ve 'print "a"' — Tanaka Akira <akr@...>

[#31164] ruby_set_current_source remains in intern.h — Masahiro Sakai (酒井政裕) <masahiro.sakai@...>

[#31166] is_ruby_native_thread() — Masahiro Sakai (酒井政裕) <masahiro.sakai@...>

[#31168] 構造体オブジェクトのcloneメソッド呼び出しでメモリリーク発生 — m-ohkubo@... (Mitsuhiko OHKUBO)

[#31177] [Fwd: Netrc?] — Shugo Maeda <shugo@...>

[#31189] 0x3fffffff.succ — Tanaka Akira <akr@...>

[#31190] 0x3fffffffffffffff.succ — Tanaka Akira <akr@...>

[#31197] ary.flatten("") — Tanaka Akira <akr@...>

[#31198] (0...0).max — Tanaka Akira <akr@...>

[#31199] Re: [ruby-cvs:19979] Ruby:r12743 (trunk): * range.c (range_max): use FIX2LONG instead of FIX2INT to avoid — "U.Nakamura" <usa@...>

[#31208] mswin32 on cygwin zsh/bash — "NAKAMURA, Hiroshi" <nakahiro@...>

[#31210] (-0x40000000)/(-1) — Tanaka Akira <akr@...>

[#31211] ruby_1_8_6がtest_condvar_wait_not_owner(TC_Thread)で1F — Kazuhiro NISHIYAMA <zn@...>

[#31212] 0.round — Tanaka Akira <akr@...>

[#31213] 24 ** 7 — Tanaka Akira <akr@...>

[#31214] Warning: OpenSSL::PKCS7::PKCS7 is deprecated after Ruby 1.9; use OpenSSL::PKCS7 instead — Kazuhiro NISHIYAMA <zn@...>

[#31215] 65538 ** 2 — Tanaka Akira <akr@...>

[#31216] 1.8 floating point exception: 0 ** 2 — Tanaka Akira <akr@...>

[#31217] trunk: generator.c:150: warning: unsigned int format, long int arg (arg 3) — pegacorn <subscriber.jp@...>

[#31221] Base64.b64encode len bug — "Kazuhiro NISHIYAMA" <zn@...>

[#31222] trunk: バグを指摘している警告 — pegacorn <subscriber.jp@...>

[#31225] Invalid read/write by ~big_zero. — Tanaka Akira <akr@...>

[#31229] ~big_zero after big_zero % big_neg — Tanaka Akira <akr@...>

[#31236] rb_big_pow — Tanaka Akira <akr@...>

[#31242] p(65536**(1<<29)) stalls — "Yusuke ENDOH" <mame@...>

[#31243] ruby -ne ! dumps core — "Yusuke ENDOH" <mame@...>

[#31244] shift — Tanaka Akira <akr@...>

[#31252] [()] dumps core — "Yusuke ENDOH" <mame@...>

[#31253] [PATCH] Problem with ruby 1.8.6-p36 (and p39) on Tiger — "Vincent Isambart" <vincent.isambart@...>

[#31261] [ruby-bugs-12398] Redefining Exception#backtrace and unhandled exception bug — Nobuyoshi Nakada <nobu@...>

[#31263] !_=() and 0..() dump core — "Yusuke ENDOH" <mame@...>

[#31264] +:x doesn't raise exception — "Yusuke ENDOH" <mame@...>

[#31265] "ab".rindex(/ab/, 0) => nil — Tanaka Akira <akr@...>

[#31271] (1 << 0x40000000)[0x40000000] — Tanaka Akira <akr@...>

[#31285] p()#=>[] — eklerni <eklerni@...>

[#31292] ParseDate.parsedate("Tuesday, July 6th, 2007, 18:35:20 UTC") — Tanaka Akira <akr@...>

[#31293] a = -(1) : warning: empty expression — Tanaka Akira <akr@...>

[#31296] ("a".."z")==="g"#=>false — eklerni <eklerni@...>

[#31298] retryの使い方 — eklerni <eklerni@...>

[#31304] rb_thread_statusが未定義? — Kentaro KAWAMOTO <kentaro.kawamoto@...>

[#31312] faster Bignum#to_s — "Yusuke ENDOH" <mame@...>

[#31318] URI and RFC 3986 (Re: URI::merge bug?) — Nobuyoshi Nakada <nobu@...>

[#31319] DelegatorおよびWeakRefのメモリ使用量 — "GO Noguchi" <gonoguti@...>

[ruby-dev:31101] exception when converting block arg

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In This Thread

[#31107] v1,() = 0: Stack consistency error — Tanaka Akira <akr@...>

[#31136] a = nil — Tanaka Akira <akr@...>

[#31143] m {|(,()),|} — Tanaka Akira <akr@...>