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copied!<p>In Xcode 4.6, lldb's <code>l</code> alias is a simple shortcut for <code>source list</code>.</p> <p>In the top of tree sources, this has been improved to behave more like gdb. If you look at <code>source/Interpreter/CommandInterpreter.cpp</code> over at <a href="http://lldb.llvm.org/" rel="nofollow noreferrer">http://lldb.llvm.org/</a> you'll see that <code>l</code> is now a regular expression command alias with these cases:</p> <pre><code>if (list_regex_cmd_ap->AddRegexCommand("^([0-9]+)[[:space:]]*$", "source list --line %1") && list_regex_cmd_ap->AddRegexCommand("^(.*[^[:space:]])[[:space:]]*:[[:space:]]*([[:digit:]]+)[[:space:]]*$", "source list --file '%1' --line %2") && list_regex_cmd_ap->AddRegexCommand("^\\*?(0x[[:xdigit:]]+)[[:space:]]*$", "source list --address %1") && list_regex_cmd_ap->AddRegexCommand("^-[[:space:]]*$", "source list --reverse") && list_regex_cmd_ap->AddRegexCommand("^-([[:digit:]]+)[[:space:]]*$", "source list --reverse --count %1") && list_regex_cmd_ap->AddRegexCommand("^(.+)$", "source list --name \"%1\"") && list_regex_cmd_ap->AddRegexCommand("^$", "source list")) </code></pre> <p>With these cases, you will get behavior like this:</p> <p>Show current frame:</p> <pre><code>(lldb) f #0: 0x0000000100000f2b a.out`main + 27 at a.c:15 12 13 14 -> 15 puts ("hi"); // line 15 16 17 puts ("hi"); // line 17 18 } </code></pre> <p>show previous ten lines:</p> <pre><code>(lldb) l - 5 6 7 8 9 puts ("hi"); // line 9 10 11 </code></pre> <p>You can also use the <code>stop-line-count-after</code> and <code>stop-line-count-before</code> settings to control how much source context is displayed at frame stops.</p> <p>Note that you can create your own regular expression command alias in your <code>~/.lldbinit</code> file with the same behavior as the top-of-tree lldb's <code>l</code>. See <code>help command regex</code> for the syntax and an example.</p>

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