# Exception message when requiring buggy code

**URL:** <https://www.ruby-forum.com/t/exception-message-when-requiring-buggy-code/141301>\
**Category:** Development\
**Created:** [June 24, 2008, 2:56pm UTC](https://www.ruby-forum.com/t/exception-message-when-requiring-buggy-code/141301 "2008-06-24T14:56:30Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Yusuke\_ENDOH](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/c89c15/32.png) [@Yusuke\_ENDOH](https://www.ruby-forum.com/u/Yusuke_ENDOH)\
**Post date:** [June 24, 2008, 2:56pm UTC](https://www.ruby-forum.com/t/exception-message-when-requiring-buggy-code/141301/1 "2008-06-24T14:56:30Z")

</div>

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

require e$B$,%Q!\<%9;~$K\<:GT$9$k$H0J2\<$N$h$&$KDL\>o$NNc30$K$J$j$^$9$,!"e(B

$ cat foo.rb  
"foo

$ ./ruby -e ’  
begin  
require “foo.rb”  
rescue SyntaxError  
p $!  
end  
’  
#\<SyntaxError: /home/mame/work/ruby19/ruby/foo.rb:1: unterminated  
string meets end of file\>

e$B%3%s%Q%$%k;~$K\<:GT$9$k$HI8=`%(%i!\<=PNO$K$J$s$+=P$F$-$^$9!#e(B

$ cat bar.rb  
break

$ ./ruby -e ’  
begin  
require “bar.rb”  
rescue SyntaxError  
p $!  
end  
’  
/home/mame/work/ruby19/ruby/bar.rb:1: Invalid break  
#\<SyntaxError: compile error\>

eval e$B$G$O%Q!\<%9;~$G$b%3%s%Q%$%k;~$G$bDL\>o$NNc30$K$J$j$^$9!#e(B

$ ./ruby -e ’  
begin  
eval "“foo”  
rescue SyntaxError  
p $!  
end  
’  
#\<SyntaxError: (eval):1: unterminated string meets end of file\>

$ ./ruby -e ’  
begin  
eval “break”  
rescue SyntaxError  
p $!  
end  
’  
#\<SyntaxError: (eval):1: Can’t escape from eval with break\>

e$B0J\>e$N5sF0$O0U?^E\*$G$7$g$&$+!#e(B

e$B;d$N46@-$G$O!"e(Brequire  
e$B$N%3%s%Q%$%k;~$N\<:GT$G$bDL\>o$NNc30$K$9$k$N$,e(B  
e$B$$$$$H;W$$$^$7$?!#0J2\<$O$=$&$9$k%Q%C%A$G$9!#e(B

# e$B$3$N46@-$,@5$7$1$l$P!"e(Bparse\_in\_eval e$B$H$$$&%U%i%0$NL\>A0$Oe(B

# parse\_and\_compile\_in\_eval

e$B$H$+$$$&J}$,\<BBN$K$"$C$F$$$k5$$,$7$^$9!#e(B

# e$B%j%U%!%/%?%j%s%0$9$Y$-!)e(B

# Index: load.c

— load.c (revision 17562)  
+++ load.c (working copy)  
@@ -276,10 +276,10 @@

th-\>parse\_in\_eval++;  
node = (NODE \*)rb\_load\_file(RSTRING\_PTR(fname));

- th-\>parse\_in\_eval–;  
loaded = Qtrue;  
iseq = rb\_iseq\_new(node, rb\_str\_new2("\<top (required)\>"),  
fname, Qfalse, ISEQ\_TYPE\_TOP);

- th-\>parse\_in\_eval–;  
rb\_iseq\_eval(iseq);  
}  
POP\_TAG();