[MacRuby] #1051: Segfault occurs with RDoc::Parser::Ruby.

[MacRuby]

#1051: Segfault occurs with RDoc::Parser::Ruby.
----------------------------------+-----------------------------------------
 Reporter:  watson1978@…          |       Owner:  lsansonetti@…        
     Type:  defect                |      Status:  new                  
 Priority:  blocker               |   Milestone:                       
Component:  MacRuby               |    Keywords:                       
----------------------------------+-----------------------------------------
 Test Script:
 {{{
 #!ruby
 require 'tempfile'

 require 'rdoc/options'
 require 'rdoc/parser/ruby'
 require 'rdoc/stats'

 def util_parser(content)
   @parser = RDoc::Parser::Ruby.new @top_level, @filename, content,
 @options, @stats
 end

 def util_top_level
   RDoc::TopLevel.reset
   @top_level = RDoc::TopLevel.new @filename
   @top_level2 = RDoc::TopLevel.new @filename2
 end

 @tempfile = Tempfile.new self.class.name
 @filename = @tempfile.path

 # Some tests need two paths.
 @tempfile2 = Tempfile.new self.class.name
 @filename2 = @tempfile2.path

 util_top_level
 @options = RDoc::Options.new
 @options.quiet = true
 @stats = RDoc::Stats.new 0

 util_parser ""

 comment = "# :section: new section\n# woo stuff\n"

 @parser.look_for_directives_in @top_level, comment

 section = @top_level.current_section
 p section.title
 p section.comment
 p comment
 }}}

 BackTrace:
 {{{
 Program received signal EXC_BAD_ACCESS, Could not access memory.
 Reason: KERN_INVALID_ADDRESS at address: 0x0000000000000024
 0x00000001000abd50 in str_concat_string (self=0x2003ad780, str=0x4) at
 string.c:865
 865         if (str->length_in_bytes == 0) {
 (gdb) bt
 #0  0x00000001000abd50 in str_concat_string (self=0x2003ad780, str=0x4) at
 string.c:865
 #1  0x00000001000b2c2b in str_gsub (sel=0x100ec3c00, argc=1,
 argv=0x7fff5fbfcd38, str=8593931552, bang=true) at string.c:3917
 #2  0x00000001000b31cb in rstr_gsub_bang (str=8593931552, sel=0x100ec3c00,
 argc=1, argv=0x7fff5fbfcd38) at string.c:4000
 #3  0x0000000100136fb3 in ruby_dispatch [inlined] () at /Users/watson/src
 /macruby-trunk-svn/dispatcher.cpp:448
 #4  0x0000000100136fb3 in rb_vm_dispatch () at dispatcher.cpp:849
 #5  0x0000000103300e36 in ?? ()
 #6  0x000000010335f494 in ?? ()
 #7  0x00000001001375e6 in __rb_vm_rcall [inlined] () at /Users/watson/src
 /macruby-trunk-svn/dispatcher.cpp:161
 #8  0x00000001001375e6 in ruby_dispatch [inlined] () at /Users/watson/src
 /macruby-trunk-svn/dispatcher.cpp:466
 #9  0x00000001001375e6 in rb_vm_dispatch () at dispatcher.cpp:849
 #10 0x0000000103300e36 in ?? ()
 #11 0x000000010335e7e4 in ?? ()
 #12 0x0000000100137627 in __rb_vm_rcall [inlined] () at /Users/watson/src
 /macruby-trunk-svn/dispatcher.cpp:163
 #13 0x0000000100137627 in ruby_dispatch [inlined] () at /Users/watson/src
 /macruby-trunk-svn/dispatcher.cpp:466
 #14 0x0000000100137627 in rb_vm_dispatch () at dispatcher.cpp:849
 #15 0x0000000103300e36 in ?? ()
 #16 0x0000000103300607 in ?? ()
 #17 0x00000001001519cd in rb_vm_run (fname=0x20004f1e0
 "/Users/watson/tmp/test_rdoc.rb", node=0x20005d580, binding=0x0,
 inside_eval=false) at vm.cpp:3928
 #18 0x0000000100038479 in ruby_run_node (n=0x20005d580) at eval.c:211
 #19 0x0000000100000c15 in main (argc=3, argv=0x100e1de30,
 envp=0x7fff5fbfee60) at main.cpp:40
 Current language:  auto; currently c
 (gdb)
 }}}

 By the following commands, could confirm this problem.
 {{{
 On MacRuby source directory:
 $ cd test/test-mri/
 $ macruby -r require_relative.rb test/rdoc/test_rdoc_parser_ruby.rb -v
 }}}

-- 
Ticket URL: <http://www.macruby.org/trac/ticket/1051>
MacRuby <http://macruby.org/>