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Re: [Bug-apl] segmentation fault in svn 639

From: Louis Chretien
Subject: Re: [Bug-apl] segmentation fault in svn 639
Date: Sat, 20 Jun 2015 06:32:15 -0400

Why would you want to EXpunge an _expression_? Isn’t Quad-EX used to delete APL objects?

The APL2 manual states that the argument should be the name of an APL object in quotes.

I agree the error message should not be as dire as a segfault, but the basic intent seems dubious…

On 2015-06-20, at 01:18, address@hidden wrote:

Type this line:
      ⎕ex5 5 ⍴ '3 3   '
and then this segmentation error happens:

-- Stack trace at main.cc:63
0x7f78c4e6aead __libc_start_main
0x454215  main
0x544885   Workspace::immediate_execution(bool)
0x490922    Command::process_line()
0x490107     Command::do_APL_expression(UCS_string&)
0x499890      Executable::execute_body() const
0x5051f0       StateIndicator::run()
0x4c2d9e        Prefix::reduce_statements()
0x4c291f         Prefix::reduce_MISC_F_B_()
0x4e2eee          Quad_EX::eval_B(Value_P)
0x53eed0           Value::to_varnames(std::vector<UCS_string, std::allocator<UCS_string> >&, bool) const

Louis Chrétien

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