[Lldb-commits] [PATCH] D17724: Replace getopt with llvm::cl in lldb driver
Zachary Turner via lldb-commits
lldb-commits at lists.llvm.org
Mon Feb 29 09:29:14 PST 2016
Love this change in principle. I will look over it on the windows side to
make sure nothing breaks.
One question: we are using getopt still for parsing interactive command
On Mon, Feb 29, 2016 at 9:26 AM Pavel Labath <labath at google.com> wrote:
> labath created this revision.
> labath added reviewers: clayborg, zturner.
> labath added a subscriber: lldb-commits.
> This replaces the hand-rolled getopt option parser in lldb driver with the
> one in llvm. This
> results in a lot less code, as the llvm's parser does much of the work
> (e.g., formatting of
> --help output) for us, and side-steps the problem of using the internal
> getopt implementation in
> liblldb on platforms which don't have a system getopt (windows, netbsd).
> This change has tiny behaviour changes, which I try to enumerate here:
> - boolean arguments can no longer be specified twice (e.g., --no-lldbinit
> --no-lldbinit will
> result in an error). I needed to tweak TestFormats to account for this.
> Can be changed, but I'm
> not sure if there is any need for it.
> - I have removed the --script-language option, as it seemed to be ignored
> - --help output has changed a bit and now reads (note one has to pass
> --help-hidden to see
> short option letters. again can be changed, but i think it makes the
> initial help more
> USAGE: lldb [options] <program-and-arguments>
> General options:
> -arch=<string> - Tells the debugger to use the specified
> architecture when starting and running the program. <string> must be one
> of the architectures for which the program was compiled.
> -attach-name=<string> - Tells the debugger to attach to a
> process with the given name.
> -attach-pid=<uint> - Tells the debugger to attach to a
> process with the given pid
> -batch - Tells the debugger to running the
> commands from -s, -S, -o & -O, and then quit. However if any run command
> stopped due to a signal or crash, the debugger will return to the
> interactive prompt at the place of the crash.
> -core=<string> - Tells the debugger to use the file
> <string> as the core file.
> -debug - Tells the debugger to print out extra
> information for debugging itself.
> -editor - Tells the debugger to open source files
> using the host's "external editor" mechanism.
> -file=<string> - Tells the debugger to use the file
> <string> as the program to be debugged.
> -no-lldbinit - Do not automatically parse any
> '.lldbinit' files.
> -no-use-colors - Do not use colors.
> -one-line=<string> - Tells the debugger to execute this
> one-line lldb command after any file provided on the command line has been
> -one-line-before-file=<string> - Tells the debugger to execute this
> one-line lldb command before any file provided on the command line has been
> -one-line-on-crash=<string> - When in batch mode, tells the debugger
> to execute this one-line lldb command if the target crashes.
> -repl=<string> - Runs lldb in REPL mode with a stub
> -repl-langauge=<string> - Chooses the language for the REPL.
> -source=<string> - Tells the debugger to read in and
> execute the lldb commands in the given file, after any file provided on the
> command line has been loaded.
> -source-before-file=<string> - Tells the debugger to read in and
> execute the lldb commands in the given file, before any file provided on
> the command line has been loaded.
> -source-on-crash=<string> - When in batch mode, tells the debugger
> to source this file of lldb commands if the target crashes.
> -source-quietly - Don't echo the commands when executing
> -wait-for - Tells the debugger to wait for a
> process with the given pid or name to launch before attaching.
> Generic Options:
> -help - Display available options (-help-hidden
> for more)
> -help-list - Display list of available options
> (-help-list-hidden for more)
> -version - Display the version of this program
> If you don't provide -file then the first argument will be the file to be
> debugged which means that 'lldb -- <filename> [<ARG1> [<ARG2>]]' also
> works. But remember to end the options with "--" if any of your
> arguments begin with "-".
> Multiple "-source" and "-one-line" options can be provided. They will be
> processed from left to right in order, with the source files and commands
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the lldb-commits