diff options
Diffstat (limited to 'llvm/lib/Support/CommandLine.cpp')
| -rw-r--r-- | llvm/lib/Support/CommandLine.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/llvm/lib/Support/CommandLine.cpp b/llvm/lib/Support/CommandLine.cpp index 768bd6c05b6..3d30e7a9f52 100644 --- a/llvm/lib/Support/CommandLine.cpp +++ b/llvm/lib/Support/CommandLine.cpp @@ -394,6 +394,10 @@ void cl::ParseCommandLineOptions(int &argc, char **argv, // the positional args into the PositionalVals list... Option *ActivePositionalArg = 0; + // Keep track of the option list so far so that we can tell if it is ever + // extended. + Option *CurOptionList = RegisteredOptionList; + // Loop over all of the arguments... processing them. bool DashDashFound = false; // Have we read '--'? for (int i = 1; i < argc; ++i) { @@ -401,6 +405,16 @@ void cl::ParseCommandLineOptions(int &argc, char **argv, const char *Value = 0; const char *ArgName = ""; + // If the head of the option list changed, this means that some command line + // option has just been registered or deregistered. This can occur in + // response to things like -load, etc. If this happens, rescan the options. + if (CurOptionList != RegisteredOptionList) { + PositionalOpts.clear(); + Opts.clear(); + GetOptionInfo(PositionalOpts, Opts); + CurOptionList = RegisteredOptionList; + } + // Check to see if this is a positional argument. This argument is // considered to be positional if it doesn't start with '-', if it is "-" // itself, or if we have seen "--" already. |
