diff options
| -rw-r--r-- | include/llvm/Option/OptTable.h | 16 | ||||
| -rw-r--r-- | lib/Option/OptTable.cpp | 28 |
2 files changed, 36 insertions, 8 deletions
diff --git a/include/llvm/Option/OptTable.h b/include/llvm/Option/OptTable.h index 11f489873a..8ee219d37b 100644 --- a/include/llvm/Option/OptTable.h +++ b/include/llvm/Option/OptTable.h @@ -116,11 +116,17 @@ public: /// \param [in,out] Index - The current parsing position in the argument /// string list; on return this will be the index of the next argument /// string to parse. + /// \param [in] FlagsToInclude - Only parse options with any of these flags. + /// Zero is the default which includes all flags. + /// \param [in] FlagsToExclude - Don't parse options with this flag. Zero + /// is the default and means exclude nothing. /// /// \return The parsed argument, or 0 if the argument is missing values /// (in which case Index still points at the conceptual next argument string /// to parse). - Arg *ParseOneArg(const ArgList &Args, unsigned &Index) const; + Arg *ParseOneArg(const ArgList &Args, unsigned &Index, + unsigned FlagsToInclude = 0, + unsigned FlagsToExclude = 0) const; /// \brief Parse an list of arguments into an InputArgList. /// @@ -136,12 +142,18 @@ public: /// \param MissingArgIndex - On error, the index of the option which could /// not be parsed. /// \param MissingArgCount - On error, the number of missing options. + /// \param FlagsToInclude - Only parse options with any of these flags. + /// Zero is the default which includes all flags. + /// \param FlagsToExclude - Don't parse options with this flag. Zero + /// is the default and means exclude nothing. /// \return An InputArgList; on error this will contain all the options /// which could be parsed. InputArgList *ParseArgs(const char* const *ArgBegin, const char* const *ArgEnd, unsigned &MissingArgIndex, - unsigned &MissingArgCount) const; + unsigned &MissingArgCount, + unsigned FlagsToInclude = 0, + unsigned FlagsToExclude = 0) const; /// \brief Render the help text for an option table. /// diff --git a/lib/Option/OptTable.cpp b/lib/Option/OptTable.cpp index bbb28a5518..11439d3e56 100644 --- a/lib/Option/OptTable.cpp +++ b/lib/Option/OptTable.cpp @@ -180,7 +180,9 @@ static unsigned matchOption(const OptTable::Info *I, StringRef Str) { return 0; } -Arg *OptTable::ParseOneArg(const ArgList &Args, unsigned &Index) const { +Arg *OptTable::ParseOneArg(const ArgList &Args, unsigned &Index, + unsigned FlagsToInclude, + unsigned FlagsToExclude) const { unsigned Prev = Index; const char *Str = Args.getArgString(Index); @@ -213,8 +215,15 @@ Arg *OptTable::ParseOneArg(const ArgList &Args, unsigned &Index) const { if (Start == End) break; + Option Opt(Start, this); + + if (FlagsToInclude && !Opt.hasFlag(FlagsToInclude)) + continue; + if (Opt.hasFlag(FlagsToExclude)) + continue; + // See if this option matches. - if (Arg *A = Option(Start, this).accept(Args, Index, ArgSize)) + if (Arg *A = Opt.accept(Args, Index, ArgSize)) return A; // Otherwise, see if this argument was missing values. @@ -222,13 +231,20 @@ Arg *OptTable::ParseOneArg(const ArgList &Args, unsigned &Index) const { return 0; } + // If we failed to find an option and this arg started with /, then it's + // probably an input path. + if (Str[0] == '/') + return new Arg(getOption(TheInputOptionID), Str, Index++, Str); + return new Arg(getOption(TheUnknownOptionID), Str, Index++, Str); } -InputArgList *OptTable::ParseArgs(const char* const *ArgBegin, - const char* const *ArgEnd, +InputArgList *OptTable::ParseArgs(const char *const *ArgBegin, + const char *const *ArgEnd, unsigned &MissingArgIndex, - unsigned &MissingArgCount) const { + unsigned &MissingArgCount, + unsigned FlagsToInclude, + unsigned FlagsToExclude) const { InputArgList *Args = new InputArgList(ArgBegin, ArgEnd); // FIXME: Handle '@' args (or at least error on them). @@ -243,7 +259,7 @@ InputArgList *OptTable::ParseArgs(const char* const *ArgBegin, } unsigned Prev = Index; - Arg *A = ParseOneArg(*Args, Index); + Arg *A = ParseOneArg(*Args, Index, FlagsToInclude, FlagsToExclude); assert(Index > Prev && "Parser failed to consume argument."); // Check for missing argument error. |