# \[Feature:trunk\] RubyVM::InstructionSequence to accept IOs

**URL:** <https://www.ruby-forum.com/t/feature-trunk-rubyvm-instructionsequence-to-accept-ios/182456>\
**Category:** Development\
**Created:** [January 28, 2010, 11:36am UTC](https://www.ruby-forum.com/t/feature-trunk-rubyvm-instructionsequence-to-accept-ios/182456 "2010-01-28T11:36:43Z")\
**Posts on this page:** 9\
**Page:** 1

<div class="post-metadata">

**Author:** ![Urabe\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/u/ecc23a/32.png) [@Urabe\_S](https://www.ruby-forum.com/u/Urabe_S)\
**Post date:** [January 28, 2010, 11:36am UTC](https://www.ruby-forum.com/t/feature-trunk-rubyvm-instructionsequence-to-accept-ios/182456/1 "2010-01-28T11:36:43Z")

</div>

Rippere$B$Oe(BRipper#initializee$B$Ge(BIOe$B$r\<u$1IU$1$^$9$,!"e(BISeqe$B$O$=$&$O$J$C$F$$$^$;$s!#e(B  
e$BHsBP\>N$J$N$Ge(BISeqe$B$be(BIOe$B$r\<u$1IU$1$k$h$&$K$9$k$N$O$I$&$G$7$g$&$+!#e(B

## Signed-off-by: Urabe, Shyuohei [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)

iseq.c | 6 ++++±  
1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/iseq.c b/iseq.c  
index 3c957c7…2d86f5d 100644  
— a/iseq.c  
+++ b/iseq.c  
@@ -538,10 +538,14 @@ rb\_iseq\_compile\_with\_option(VALUE src, VALUE file,  
VALUE line, VALUE opt)  
rb\_compile\_option\_t option;  
const char \*fn = StringValueCStr(file);  
int ln = NUM2INT(line);

- NODE \*node = parse\_string(StringValue(src), fn, ln);

- NODE \*node;  
rb\_thread\_t \*th = GET\_THREAD();  
make\_compile\_option(&option, opt);

- if (rb\_obj\_respond\_to(src, rb\_intern(“gets”), 0))

- 

```
   node = rb_compile_file(fn, src, ln);

```

- else

- 

```
   node = rb_compile_string(fn, StringValue(src), ln);

```

if (th-\>base\_block && th-\>base\_block-\>iseq) {  
return rb\_iseq\_new\_with\_opt(node, th-\>base\_block-\>iseq-\>name,  
file, line, th-\>base\_block-\>iseq-\>self,  
– 1.6.0.4

---

<div class="post-metadata">

**Author:** ![Urabe\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/u/ecc23a/32.png) [@Urabe\_S](https://www.ruby-forum.com/u/Urabe_S)\
**Post date:** [March 30, 2010, 7:29pm UTC](https://www.ruby-forum.com/t/feature-trunk-rubyvm-instructionsequence-to-accept-ios/182456/2 "2010-03-30T19:29:06Z")

</div>

e$B%A%1%C%He(B #2674 e$B$,99?7$5$l$^$7$?!#e(B (by \_ wanabe)

e$B%o%J%Y$H?=$7$^$9!#e(B

## e$B$;$C$+$/e(B rb\_compile\_file e$B$,$"$k$N$G!“e(BIO e$B$r\<u$1IU$1$F$/$l$k$J$ie(B e$B$=$NJ}$,4r$7$$$H;W$$$^$9!#$G$9$N$G!”$3$N%Q%C%A$K;?@.$G$9!#e(B

[http://redmine.ruby-lang.org/issues/show/2674](http://redmine.ruby-lang.org/issues/show/2674)

---

<div class="post-metadata">

**Author:** ![Urabe\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/u/ecc23a/32.png) [@Urabe\_S](https://www.ruby-forum.com/u/Urabe_S)\
**Post date:** [March 31, 2010, 4:39am UTC](https://www.ruby-forum.com/t/feature-trunk-rubyvm-instructionsequence-to-accept-ios/182456/3 "2010-03-31T04:39:10Z")

</div>

(2010/03/31 2:28), \_ wanabe wrote::

> e$B$;$C$+$/e(B rb\_compile\_file e$B$,$"$k$N$G!“e(BIO e$B$r\<u$1IU$1$F$/$l$k$J$ie(B  
> e$B$=$NJ}$,4r$7$$$H;W$$$^$9!#$G$9$N$G!”$3$N%Q%C%A$K;?@.$G$9!#e(B

e$B!!$9$\_$^$;$s!$$3$N7oK:$l$F$$$^$7$?!%e(BIO  
e$B$r\<u$1IU$1$k$N$O$$$$$s$G$9e(B  
e$B$,!$e(Bgets  
e$B$N$"$j$J$7!$$G8+J,$1$k$N$,@5$7$$$+$@$15$$K$J$C$F$$$^$9!%$=$3$@e(B  
e$B$1!$e(BRuby e$BE\*$Ke(B OK e$B$H$+e(B NG  
e$B$H$+!$C/$+H=CG$7$F$b$i$($l$P!%e(B

# e$B$3$3$G;H$&$N$Oe(B gets e$B$@$1$J$s$@$C$1!)e(B

---

<div class="post-metadata">

**Author:** ![Urabe\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/u/ecc23a/32.png) [@Urabe\_S](https://www.ruby-forum.com/u/Urabe_S)\
**Post date:** [March 31, 2010, 6:15am UTC](https://www.ruby-forum.com/t/feature-trunk-rubyvm-instructionsequence-to-accept-ios/182456/4 "2010-03-31T06:15:38Z")

</div>

e$B%A%1%C%He(B #2674 e$B$,99?7$5$l$^$7$?!#e(B (by \_ wanabe)

e$B$"$j$,$H$&$4$6$$$^$9!#e(B  
NG e$B$J%1!\<%9$r8+$D$1$F$7$^$C$?$N$GJs9p$7$^$9!#$3$l$Ge(B SEGV  
e$B$7$^$9!#e(B

a = [nil]  
def a.gets  
raise  
end  
RubyVM::InstructionSequence.compile(a)

e$BCf$r8+$k$H!"e(Blex\_io\_gets e$B$+$i:G=_E_$Ke(B rb\_io\_getline\_1  
e$B$r8F$S=P$7$Fe(B  
GetOpenFile e$B$Ge(B RFILE() e$B$r;H$C$F$$$k$h$&$G$9$N$G!"e(B  
src e$B$,e(B T\_FILE  
e$B$+$I$&$+$GH=CG$9$k$N$,$$$$$N$G$O$J$$$+$H;W$$$^$9!#e(B

## e$B$"$k$$$Oe(B rb\_parser\_compile\_file e$BFbIt$G!“e(Bfile e$B$,e(B T\_FILE e$B$+$I$&$+$Ge(B lex\_gets e$B$rJQ$($k!Je(Brb\_io\_gets e$B$r8F$V$+e(B rb\_funcall e$B7PM3$Ge(B gets e$B$9$k$+!Ke(B e$B$H$$$&$N$b9M$($^$7$?$,!”$A$g$C$H1F6AHO0O$,$o$+$j$^$;$s$G$7$?!#e(B

[http://redmine.ruby-lang.org/issues/show/2674](http://redmine.ruby-lang.org/issues/show/2674)

---

<div class="post-metadata">

**Author:** ![Urabe\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/u/ecc23a/32.png) [@Urabe\_S](https://www.ruby-forum.com/u/Urabe_S)\
**Post date:** [March 31, 2010, 7:38am UTC](https://www.ruby-forum.com/t/feature-trunk-rubyvm-instructionsequence-to-accept-ios/182456/5 "2010-03-31T07:38:42Z")

</div>

\_ wanabe e$B$5$s$O=q$-$^$7$?e(B:

> e$B$"$j$,$H$&$4$6$$$^$9!#e(B  
> NG e$B$J%1!\<%9$r8+$D$1$F$7$^$C$?$N$GJs9p$7$^$9!#$3$l$Ge(B SEGV e$B$7$^$9!#e(B

e$B$=$l$Oe(Brb\_compile\_filee$B$N%P%0$G$Oe(B…

## Signed-off-by: Urabe, Shyuohei [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)

iseq.c | 2 ++  
parse.y | 14 +++++++±-----  
2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/iseq.c b/iseq.c  
index 77f1497…2cccfcc 100644  
— a/iseq.c  
+++ b/iseq.c  
@@ -551,6 +551,8 @@ rb\_iseq\_compile\_with\_option(VALUE src, VALUE file,  
VALUE filepath, VALUE line, V  
node = rb\_compile\_file(fn, src, ln);  
else  
node = rb\_compile\_string(fn, StringValue(src), ln);

- if (!node)
- 

```
   rb_exc_raise(GET_THREAD()->errinfo);

```

if (th-\>base\_block && th-\>base\_block-\>iseq) {  
return rb\_iseq\_new\_with\_opt(node, th-\>base\_block-\>iseq-\>name,  
file, filepath, line, th-\>base\_block-\>iseq-\>self,  
diff --git a/parse.y b/parse.y  
index 340a825…438b8f5 100644  
— a/parse.y  
+++ b/parse.y  
@@ -5138,6 +5138,12 @@ lex\_getline(struct parser\_params \*parser)

static const rb\_data\_type\_t parser\_data\_type;

+static VALUE  
+lex\_get\_generic(struct parser\_params \*parser, VALUE src)  
+{

- return rb\_funcall(src, rb\_intern(“gets”), 0);  
+}
- 

#ifndef RIPPER  
static NODE\*  
parser\_compile\_string(volatile VALUE vparser, const char \*f, VALUE s,  
int line)  
@@ -5209,7 +5215,7 @@ rb\_parser\_compile\_file(volatile VALUE vparser,  
const char \*f, VALUE file, int st  
NODE \*node;

```
 TypedData_Get_Struct(vparser, struct parser_params, 

```

&parser\_data\_type, parser);

- lex\_gets = lex\_io\_gets;

- lex\_gets = lex\_get\_generic;  
lex\_input = file;  
lex\_pbeg = lex\_p = lex\_pend = 0;  
compile\_for\_eval = rb\_parse\_in\_eval();  
@@ -10319,11 +10325,7 @@ ripper\_warningS(struct parser\_params \*parser,  
const char \*fmt, const char \*str)  
STR\_NEW2(fmt), STR\_NEW2(str));  
}

-static VALUE  
-ripper\_lex\_get\_generic(struct parser\_params \*parser, VALUE src)  
-{

- return rb\_funcall(src, ripper\_id\_gets, 0);  
-}  
+#define ripper\_lex\_get\_generic lex\_get\_generic

static VALUE  
ripper\_s\_allocate(VALUE klass)

---

<div class="post-metadata">

**Author:** ![Urabe\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/u/ecc23a/32.png) [@Urabe\_S](https://www.ruby-forum.com/u/Urabe_S)\
**Post date:** [March 31, 2010, 3:29pm UTC](https://www.ruby-forum.com/t/feature-trunk-rubyvm-instructionsequence-to-accept-ios/182456/6 "2010-03-31T15:29:58Z")

</div>

e$B1sF#$G$9!#e(B

2010e$BG/e(B3e$B7ne(B31e$BF|e(B14:38 Urabe S.  
[removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid):

> \_ wanabe e$B$5$s$O=q$-$^$7$?e(B:
> 
> > e$B$"$j$,$H$&$4$6$$$^$9!#e(B  
> > NG e$B$J%1!\<%9$r8+$D$1$F$7$^$C$?$N$GJs9p$7$^$9!#$3$l$Ge(B SEGV e$B$7$^$9!#e(B
> 
> e$B$=$l$Oe(Brb\_compile\_filee$B$N%P%0$G$Oe(B…

rb\_compile\_file e$B$Oe(B T\_FILE  
e$B$r\<u$1\<h$k$H$$$&;EMM$@$C$?$N$G$7$g$&!#e(B

e$BKNIt$5$s$N%Q%C%A$r$“$F$k$H!”%a%=%C%I8F$S=P$7J,$NB.EYNt2=$,!D!De(B  
e$B$O$H$b$+$/!"e(BIO#gets  
e$B$r:FDj5A$9$k$3$H$G%Q!\<%9Cf$KG$0U$N%3!\<%I$,e(B  
e$B\<B9T$G$-$k$h$&$K$J$j$^$9$,!"Bg\>fIW$G$7$g$&$+!#e(B

# ripper e$B$,$9$G$K$d$C$F$k$o$1$G$9$,!"e(Bripper

e$B$OF0:n\<B@S$J$5$=$&e(B

# e$B$J$N$G?.MQ$G$-$^$;$s!D!De(B

e$B$H$j$"$($:e(B continuation e$B$r;H$&$HMn$A$^$7$?!#e(B

$ ./ruby -e ’  
require “continuation”  
$code = “p :foo”  
class IO  
def gets  
callcc {|c| $c = c }  
code, $code = $code, nil  
code  
end  
end  
load “foo.rb”  
$c.call  
’  
:foo  
-e:11: [BUG] Segmentation fault  
(e$BN,e(B)

continuation e$B$O\<+8J@UG$$H$7$F$b!"2?$+L/$J1F6A$O$J$$$G$9$+$M!#e(B  
load/require e$BL?Na$r\>h$C\<h$l$k$h$&$K$J$k$H$+5$$K$J$j$^$9!#e(B

$ cat foo.rb  
p :innocent

$ ./ruby.new -e ’  
$code = “p :evil”  
class IO  
def gets  
code, $code = $code, nil  
code  
end  
end

```
load "foo.rb"

```

’  
:evil

IO#gets e$B$,:FDj5A$G$-$k\>u67$J$i$J$s$G$b$d$jJ|Bj$G$O$"$k$N$G$9$,!#e(B  
wanabe e$B$5$s$HF1$8$/!"e(BT\_FILE  
e$B$+$I$&$+$GH=CG$9$k$N$,L5Fq$@$H;W$$e(B  
e$B$^$7$?!#e(B

---

<div class="post-metadata">

**Author:** ![Urabe\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/u/ecc23a/32.png) [@Urabe\_S](https://www.ruby-forum.com/u/Urabe_S)\
**Post date:** [April 7, 2010, 4:51pm UTC](https://www.ruby-forum.com/t/feature-trunk-rubyvm-instructionsequence-to-accept-ios/182456/7 "2010-04-07T16:51:35Z")

</div>

e$B%A%1%C%He(B #2674 e$B$,99?7$5$l$^$7$?!#e(B (by Yusuke E.)

Target version 1.9.2e$B$+$ie(B1.9.xe$B$KJQ99e(B

e$B1sF#$G$9!#e(B

e$B;DG0$G$9$,!“e(B4/1  
e$B$N;~E@$G!V$=$&$$$&;EMM$H7h$^$l$PFC$K0[O@$O$”$j$^$;$s!We(B  
e$B$H$$$&\>u67$G!"$=$N8e5DO@$,ES@d$($F$7$^$C$?$h$&$J$N$G!"e(Bspec freeze  
e$B$^$Ge(B  
e$B$K$O9g0U$,$G$-$J$+$C$?$H9M$($^$9!#e(B  
target e$B$re(B 1.9.x e$B$K$5$;$F$$$?$@$-$^$9!#e(B

## – Yusuke E. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)

[http://redmine.ruby-lang.org/issues/show/2674](http://redmine.ruby-lang.org/issues/show/2674)

---

<div class="post-metadata">

**Author:** ![Urabe\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/u/ecc23a/32.png) [@Urabe\_S](https://www.ruby-forum.com/u/Urabe_S)\
**Post date:** [April 7, 2010, 5:55pm UTC](https://www.ruby-forum.com/t/feature-trunk-rubyvm-instructionsequence-to-accept-ios/182456/8 "2010-04-07T17:55:26Z")

</div>

e$B%A%1%C%He(B #2674 e$B$,99?7$5$l$^$7$?!#e(B (by Shyouhei U.)

e$B$“$C!”$O$$!#e(B

## e$B$F$+e(B1.9.3e$B$C$F$$$&e(Btargete$B:n$j$^$;$se(B?

[http://redmine.ruby-lang.org/issues/show/2674](http://redmine.ruby-lang.org/issues/show/2674)

---

<div class="post-metadata">

**Author:** ![Urabe\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/u/ecc23a/32.png) [@Urabe\_S](https://www.ruby-forum.com/u/Urabe_S)\
**Post date:** [March 31, 2010, 5:45pm UTC](https://www.ruby-forum.com/t/feature-trunk-rubyvm-instructionsequence-to-accept-ios/182456/9 "2010-03-31T17:45:50Z")

</div>

e$BKNIt$G$9!#e(B

Yusuke ENDOH e$B$5$s$O=q$-$^$7$?e(B:

> rb\_compile\_file e$B$Oe(B T\_FILE e$B$r\<u$1\<h$k$H$$$&;EMM$@$C$?$N$G$7$g$&!#e(B

getse$B$8$c$J$-$c%d%@$H$$$&6/$$F05!$,$"$k$o$1$G$O$J$$$N$G!"$=$&$$$&;EMM$H7h$^$l$Pe(B  
e$BFC$K0[O@$O$"$j$^$;$s!#$?$@$=$N\>l9g$Oe(Brippere$B$be(BT\_FILEe$B$N$[$&$KE]$9$Y$-$G$7$g$&$M!#e(B