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Commit e2a6c08b authored by Lawrence D'Anna's avatar Lawrence D'Anna
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[lldb] fix --source-quietly

Jim says:

lldb has a -Q or --source-quietly option, which supposedly does:

    --source-quietly     Tells the debugger to execute this one-line lldb command before any file has been loaded.

That seems like a weird description, since we don't generally use source for one line entries, but anyway, let's try it:

    > $LLDB_LLVM/clean-mono/build/Debug/bin/lldb -Q "script print('I should be quiet')" a.out -O "script print('I should be before')" -o "script print('I should be after')"
    (lldb) script print('I should be before')
    I should be before
    (lldb) target create "script print('I should be quiet')"
    error: unable to find executable for 'script print('I should be quiet')'

That was weird.  The first real -O gets sourced but not quietly, then the argument to the -Q gets treated as the target.

    > $LLDB_LLVM/clean-mono/build/Debug/bin/lldb -Q a.out -O "script print('I should be before')" -o "script print('I should be after')"
    (lldb) script print('I should be before')
    I should be before
    (lldb) target create "a.out"
    Current executable set to '/tmp/a.out' (x86_64).
    (lldb) script print('I should be after')
    I should be after

Well, that's a little better, but the -Q option seems to have done nothing.

---

This fixes the description of --source-quietly, as well as causing it
to actually suppress echoing while executing the initialization
commands.

Reviewed By: jingham

Differential Revision: https://reviews.llvm.org/D112988
parent 64c17344
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