[Lldb-commits] [lldb] r230065 - Start the refactoring of globbing

Enrico Granata egranata at apple.com
Fri Feb 20 14:25:42 PST 2015


After juggling with the idea of TextBasedCommandProcessorStyleCommandLineArgumentExpansion </joke>, we settled for ShellExpandArguments()

r230077

> On Feb 20, 2015, at 2:00 PM, Enrico Granata <egranata at apple.com> wrote:
> 
> Fair enough - ShellExpand is not bad, but I feel like Arguments should be in there somewhere
> 
> Collective hivemind, something less verbose than ShellStyleExpandArguments maybe?
> 
>> On Feb 20, 2015, at 1:57 PM, Zachary Turner <zturner at google.com <mailto:zturner at google.com>> wrote:
>> 
>> In a followup patch, would you mind changing the terminology from GlobArguments to something more descriptive, like ShellExpand?  When I think glob I only think of wildcards, not full shell exnapsion.  So I think it would be better if it were more explicit.
>> 
>> On Fri Feb 20 2015 at 1:51:26 PM Enrico Granata <egranata at apple.com <mailto:egranata at apple.com>> wrote:
>> Author: enrico
>> Date: Fri Feb 20 15:48:38 2015
>> New Revision: 230065
>> 
>> URL: http://llvm.org/viewvc/llvm-project?rev=230065&view=rev <http://llvm.org/viewvc/llvm-project?rev=230065&view=rev>
>> Log:
>> Start the refactoring of globbing
>> 
>> - Add Host::GlobArguments() to perform local-globbing
>> I implemented this on OSX and Windows in terms of argdumper (Windows implementation is essentially the same as the OSX version + a change in binary name and some string magic)
>> Other platforms did not specifically chime in, so I left it unimplemented for them for the time being. Please feel free to fill in the blanks
>> 
>> - Add Platform::GlobArguments() to support remote-globbing
>> For now, no feature change here - but now we have infrastructure to help GDBRemote targets to support globbing - and patches to that effect will follow
>> 
>> No visible feature change
>> 
>> 
>> Modified:
>>     lldb/trunk/include/lldb/Host/Host.h
>>     lldb/trunk/include/lldb/Target/Platform.h
>>     lldb/trunk/source/Host/freebsd/Host.cpp
>>     lldb/trunk/source/Host/linux/Host.cpp
>>     lldb/trunk/source/Host/macosx/Host.mm
>>     lldb/trunk/source/Host/windows/Host.cpp
>>     lldb/trunk/source/Target/Platform.cpp
>> 
>> Modified: lldb/trunk/include/lldb/Host/Host.h
>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/Host/Host.h?rev=230065&r1=230064&r2=230065&view=diff <http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/Host/Host.h?rev=230065&r1=230064&r2=230065&view=diff>
>> ==============================================================================
>> --- lldb/trunk/include/lldb/Host/Host.h (original)
>> +++ lldb/trunk/include/lldb/Host/Host.h Fri Feb 20 15:48:38 2015
>> @@ -253,6 +253,16 @@ public:
>>      static Error
>>      LaunchProcess (ProcessLaunchInfo &launch_info);
>> 
>> +    //------------------------------------------------------------------
>> +    /// Perform globbing of the command-line for this launch info
>> +    /// This can potentially involve wildcard expansion
>> +    //  environment variable replacement, and whatever other
>> +    //  argument magic the platform defines as part of its typical
>> +    //  user experience
>> +    //------------------------------------------------------------------
>> +    static Error
>> +    GlobArguments (ProcessLaunchInfo &launch_info);
>> +
>>      static Error
>>      RunShellCommand (const char *command,           // Shouldn't be NULL
>>                       const char *working_dir,       // Pass NULL to use the current working directory
>> 
>> Modified: lldb/trunk/include/lldb/Target/Platform.h
>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/Target/Platform.h?rev=230065&r1=230064&r2=230065&view=diff <http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/Target/Platform.h?rev=230065&r1=230064&r2=230065&view=diff>
>> ==============================================================================
>> --- lldb/trunk/include/lldb/Target/Platform.h (original)
>> +++ lldb/trunk/include/lldb/Target/Platform.h Fri Feb 20 15:48:38 2015
>> @@ -386,6 +386,16 @@ namespace lldb_private {
>>          LaunchProcess (ProcessLaunchInfo &launch_info);
>> 
>>          //------------------------------------------------------------------
>> +        /// Perform globbing of the command-line for this launch info
>> +        /// This can potentially involve wildcard expansion
>> +        //  environment variable replacement, and whatever other
>> +        //  argument magic the platform defines as part of its typical
>> +        //  user experience
>> +        //------------------------------------------------------------------
>> +        virtual Error
>> +        GlobArguments (ProcessLaunchInfo &launch_info);
>> +
>> +        //------------------------------------------------------------------
>>          /// Kill process on a platform.
>>          //------------------------------------------------------------------
>>          virtual Error
>> 
>> Modified: lldb/trunk/source/Host/freebsd/Host.cpp
>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Host/freebsd/Host.cpp?rev=230065&r1=230064&r2=230065&view=diff <http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Host/freebsd/Host.cpp?rev=230065&r1=230064&r2=230065&view=diff>
>> ==============================================================================
>> --- lldb/trunk/source/Host/freebsd/Host.cpp (original)
>> +++ lldb/trunk/source/Host/freebsd/Host.cpp Fri Feb 20 15:48:38 2015
>> @@ -312,3 +312,9 @@ Host::GetUnixSignals ()
>>      return s_unix_signals_sp;
>>  }
>> 
>> +Error
>> +Host::GlobArguments (ProcessLaunchInfo &launch_info)
>> +{
>> +    return Error("unimplemented");
>> +}
>> +
>> 
>> Modified: lldb/trunk/source/Host/linux/Host.cpp
>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Host/linux/Host.cpp?rev=230065&r1=230064&r2=230065&view=diff <http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Host/linux/Host.cpp?rev=230065&r1=230064&r2=230065&view=diff>
>> ==============================================================================
>> --- lldb/trunk/source/Host/linux/Host.cpp (original)
>> +++ lldb/trunk/source/Host/linux/Host.cpp Fri Feb 20 15:48:38 2015
>> @@ -417,3 +417,8 @@ Host::GetUnixSignals ()
>>      return s_unix_signals_sp;
>>  }
>> 
>> +Error
>> +Host::GlobArguments (ProcessLaunchInfo &launch_info)
>> +{
>> +    return Error("unimplemented");
>> +}
>> 
>> Modified: lldb/trunk/source/Host/macosx/Host.mm
>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Host/macosx/Host.mm?rev=230065&r1=230064&r2=230065&view=diff <http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Host/macosx/Host.mm?rev=230065&r1=230064&r2=230065&view=diff>
>> ==============================================================================
>> --- lldb/trunk/source/Host/macosx/Host.mm (original)
>> +++ lldb/trunk/source/Host/macosx/Host.mm Fri Feb 20 15:48:38 2015
>> @@ -45,6 +45,7 @@
>>  #include "lldb/Core/ModuleSpec.h"
>>  #include "lldb/Core/StreamFile.h"
>>  #include "lldb/Core/StreamString.h"
>> +#include "lldb/Core/StructuredData.h"
>>  #include "lldb/Host/ConnectionFileDescriptor.h"
>>  #include "lldb/Host/Endian.h"
>>  #include "lldb/Host/FileSpec.h"
>> @@ -1351,6 +1352,91 @@ Host::LaunchProcess (ProcessLaunchInfo &
>>      return error;
>>  }
>> 
>> +Error
>> +Host::GlobArguments (ProcessLaunchInfo &launch_info)
>> +{
>> +    Error error;
>> +    if (launch_info.GetFlags().Test(eLaunchFlagGlobArguments))
>> +    {
>> +        FileSpec glob_tool_spec;
>> +        if (!HostInfo::GetLLDBPath(lldb::ePathTypeSupportExecutableDir, glob_tool_spec))
>> +        {
>> +            error.SetErrorString("could not find argdumper tool");
>> +            return error;
>> +        }
>> +        glob_tool_spec.AppendPathComponent("argdumper");
>> +        if (!glob_tool_spec.Exists())
>> +        {
>> +            error.SetErrorString("could not find argdumper tool");
>> +            return error;
>> +        }
>> +
>> +        std::string quoted_cmd_string;
>> +        launch_info.GetArguments().GetQuotedCommandString(quoted_cmd_string);
>> +        StreamString glob_command;
>> +
>> +        glob_command.Printf("%s %s",
>> +                            glob_tool_spec.GetPath().c_str(),
>> +                            quoted_cmd_string.c_str());
>> +
>> +        int status;
>> +        std::string output;
>> +        RunShellCommand(glob_command.GetData(), launch_info.GetWorkingDirectory(), &status, nullptr, &output, 10);
>> +
>> +        if (status != 0)
>> +        {
>> +            error.SetErrorStringWithFormat("argdumper exited with error %d", status);
>> +            return error;
>> +        }
>> +
>> +        auto data_sp = StructuredData::ParseJSON(output);
>> +        if (!data_sp)
>> +        {
>> +            error.SetErrorString("invalid JSON");
>> +            return error;
>> +        }
>> +
>> +        auto dict_sp = data_sp->GetAsDictionary();
>> +        if (!data_sp)
>> +        {
>> +            error.SetErrorString("invalid JSON");
>> +            return error;
>> +        }
>> +
>> +        auto args_sp = dict_sp->GetObjectForDotSeparatedPath("arguments");
>> +        if (!args_sp)
>> +        {
>> +            error.SetErrorString("invalid JSON");
>> +            return error;
>> +        }
>> +
>> +        auto args_array_sp = args_sp->GetAsArray();
>> +        if (!args_array_sp)
>> +        {
>> +            error.SetErrorString("invalid JSON");
>> +            return error;
>> +        }
>> +
>> +        launch_info.GetArguments().Clear();
>> +
>> +        for (size_t i = 0;
>> +             i < args_array_sp->GetSize();
>> +             i++)
>> +        {
>> +            auto item_sp = args_array_sp->GetItemAtIndex(i);
>> +            if (!item_sp)
>> +                continue;
>> +            auto str_sp = item_sp->GetAsString();
>> +            if (!str_sp)
>> +                continue;
>> +
>> +            launch_info.GetArguments().AppendArgument(str_sp->GetValue().c_str());
>> +        }
>> +    }
>> +
>> +    return error;
>> +}
>> +
>>  HostThread
>>  Host::StartMonitoringChildProcess(Host::MonitorChildProcessCallback callback, void *callback_baton, lldb::pid_t pid, bool monitor_signals)
>>  {
>> 
>> Modified: lldb/trunk/source/Host/windows/Host.cpp
>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Host/windows/Host.cpp?rev=230065&r1=230064&r2=230065&view=diff <http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Host/windows/Host.cpp?rev=230065&r1=230064&r2=230065&view=diff>
>> ==============================================================================
>> --- lldb/trunk/source/Host/windows/Host.cpp (original)
>> +++ lldb/trunk/source/Host/windows/Host.cpp Fri Feb 20 15:48:38 2015
>> @@ -217,4 +217,90 @@ HostThread
>>  Host::StartMonitoringChildProcess(Host::MonitorChildProcessCallback callback, void *callback_baton, lldb::pid_t pid, bool monitor_signals)
>>  {
>>      return HostThread();
>> -}
>> \ No newline at end of file
>> +}
>> +
>> +Error
>> +Host::GlobArguments (ProcessLaunchInfo &launch_info)
>> +{
>> +    Error error;
>> +    if (launch_info.GetFlags().Test(eLaunchFlagGlobArguments))
>> +    {
>> +        FileSpec glob_tool_spec;
>> +        if (!HostInfo::GetLLDBPath(lldb::ePathTypeSupportExecutableDir, glob_tool_spec))
>> +        {
>> +            error.SetErrorString("could not find argdumper tool");
>> +            return error;
>> +        }
>> +        glob_tool_spec.AppendPathComponent("argdumper.exe");
>> +        if (!glob_tool_spec.Exists())
>> +        {
>> +            error.SetErrorString("could not find argdumper tool");
>> +            return error;
>> +        }
>> +
>> +        std::string quoted_cmd_string;
>> +        launch_info.GetArguments().GetQuotedCommandString(quoted_cmd_string);
>> +        std::replace(quoted_cmd_string.begin(), quoted_cmd_string.end(), '\\' <smb://'>, '/');
>> +        StreamString glob_command;
>> +
>> +        glob_command.Printf("%s %s",
>> +                            glob_tool_spec.GetPath().c_str(),
>> +                            quoted_cmd_string.c_str());
>> +
>> +        int status;
>> +        std::string output;
>> +        RunShellCommand(glob_command.GetData(), launch_info.GetWorkingDirectory(), &status, nullptr, &output, 10);
>> +
>> +        if (status != 0)
>> +        {
>> +            error.SetErrorStringWithFormat("argdumper exited with error %d", status);
>> +            return error;
>> +        }
>> +
>> +        auto data_sp = StructuredData::ParseJSON(output);
>> +        if (!data_sp)
>> +        {
>> +            error.SetErrorString("invalid JSON");
>> +            return error;
>> +        }
>> +
>> +        auto dict_sp = data_sp->GetAsDictionary();
>> +        if (!data_sp)
>> +        {
>> +            error.SetErrorString("invalid JSON");
>> +            return error;
>> +        }
>> +
>> +        auto args_sp = dict_sp->GetObjectForDotSeparatedPath("arguments");
>> +        if (!args_sp)
>> +        {
>> +            error.SetErrorString("invalid JSON");
>> +            return error;
>> +        }
>> +
>> +        auto args_array_sp = args_sp->GetAsArray();
>> +        if (!args_array_sp)
>> +        {
>> +            error.SetErrorString("invalid JSON");
>> +            return error;
>> +        }
>> +
>> +        launch_info.GetArguments().Clear();
>> +
>> +        for (size_t i = 0;
>> +             i < args_array_sp->GetSize();
>> +             i++)
>> +        {
>> +            auto item_sp = args_array_sp->GetItemAtIndex(i);
>> +            if (!item_sp)
>> +                continue;
>> +            auto str_sp = item_sp->GetAsString();
>> +            if (!str_sp)
>> +                continue;
>> +
>> +            launch_info.GetArguments().AppendArgument(str_sp->GetValue().c_str());
>> +        }
>> +    }
>> +
>> +    return error;
>> +}
>> 
>> Modified: lldb/trunk/source/Target/Platform.cpp
>> URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Target/Platform.cpp?rev=230065&r1=230064&r2=230065&view=diff <http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Target/Platform.cpp?rev=230065&r1=230064&r2=230065&view=diff>
>> ==============================================================================
>> --- lldb/trunk/source/Target/Platform.cpp (original)
>> +++ lldb/trunk/source/Target/Platform.cpp Fri Feb 20 15:48:38 2015
>> @@ -1116,87 +1116,9 @@ Platform::LaunchProcess (ProcessLaunchIn
>>          }
>>          else if (launch_info.GetFlags().Test(eLaunchFlagGlobArguments))
>>          {
>> -            FileSpec glob_tool_spec;
>> -            if (!HostInfo::GetLLDBPath(lldb::ePathTypeSupportExecutableDir, glob_tool_spec))
>> -            {
>> -                error.SetErrorString("could not find argdumper tool");
>> +            error = GlobArguments(launch_info);
>> +            if (error.Fail())
>>                  return error;
>> -            }
>> -#if defined(_WIN32)
>> -            glob_tool_spec.AppendPathComponent("argdumper.exe");
>> -#else
>> -            glob_tool_spec.AppendPathComponent("argdumper");
>> -#endif
>> -            if (!glob_tool_spec.Exists())
>> -            {
>> -                error.SetErrorString("could not find argdumper tool");
>> -                return error;
>> -            }
>> -
>> -            std::string quoted_cmd_string;
>> -            launch_info.GetArguments().GetQuotedCommandString(quoted_cmd_string);
>> -#if defined(_WIN32)
>> -            std::replace(quoted_cmd_string.begin(), quoted_cmd_string.end(), '\\' <smb://'>, '/');
>> -#endif
>> -            StreamString glob_command;
>> -
>> -            glob_command.Printf("%s %s",
>> -                                glob_tool_spec.GetPath().c_str(),
>> -                                quoted_cmd_string.c_str());
>> -
>> -            int status;
>> -            std::string output;
>> -            RunShellCommand(glob_command.GetData(), launch_info.GetWorkingDirectory(), &status, nullptr, &output, 10);
>> -
>> -            if (status != 0)
>> -            {
>> -                error.SetErrorStringWithFormat("argdumper exited with error %d", status);
>> -                return error;
>> -            }
>> -
>> -            auto data_sp = StructuredData::ParseJSON(output);
>> -            if (!data_sp)
>> -            {
>> -                error.SetErrorString("invalid JSON");
>> -                return error;
>> -            }
>> -
>> -            auto dict_sp = data_sp->GetAsDictionary();
>> -            if (!data_sp)
>> -            {
>> -                error.SetErrorString("invalid JSON");
>> -                return error;
>> -            }
>> -
>> -            auto args_sp = dict_sp->GetObjectForDotSeparatedPath("arguments");
>> -            if (!args_sp)
>> -            {
>> -                error.SetErrorString("invalid JSON");
>> -                return error;
>> -            }
>> -
>> -            auto args_array_sp = args_sp->GetAsArray();
>> -            if (!args_array_sp)
>> -            {
>> -                error.SetErrorString("invalid JSON");
>> -                return error;
>> -            }
>> -
>> -            launch_info.GetArguments().Clear();
>> -
>> -            for (size_t i = 0;
>> -                 i < args_array_sp->GetSize();
>> -                 i++)
>> -            {
>> -                auto item_sp = args_array_sp->GetItemAtIndex(i);
>> -                if (!item_sp)
>> -                    continue;
>> -                auto str_sp = item_sp->GetAsString();
>> -                if (!str_sp)
>> -                    continue;
>> -
>> -                launch_info.GetArguments().AppendArgument(str_sp->GetValue().c_str());
>> -            }
>>          }
>> 
>>          if (log)
>> @@ -1210,6 +1132,14 @@ Platform::LaunchProcess (ProcessLaunchIn
>>  }
>> 
>>  Error
>> +Platform::GlobArguments (ProcessLaunchInfo &launch_info)
>> +{
>> +    if (IsHost())
>> +        return Host::GlobArguments(launch_info);
>> +    return Error("base lldb_private::Platform class can't glob arguments");
>> +}
>> +
>> +Error
>>  Platform::KillProcess (const lldb::pid_t pid)
>>  {
>>      Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_PLATFORM));
>> 
>> 
>> _______________________________________________
>> lldb-commits mailing list
>> lldb-commits at cs.uiuc.edu <mailto:lldb-commits at cs.uiuc.edu>
>> http://lists.cs.uiuc.edu/mailman/listinfo/lldb-commits <http://lists.cs.uiuc.edu/mailman/listinfo/lldb-commits>
> 
> Thanks,
> - Enrico
> 📩 egranata@.com ☎️ 27683
> 
> 
> 
> 
> _______________________________________________
> lldb-commits mailing list
> lldb-commits at cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/lldb-commits

Thanks,
- Enrico
📩 egranata@.com ☎️ 27683




-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/lldb-commits/attachments/20150220/dbb595dd/attachment.html>


More information about the lldb-commits mailing list