//===--- ArgumentsAdjusters.cpp - Command line arguments adjuster ---------===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // // This file contains definitions of classes which implement ArgumentsAdjuster // interface. // //===----------------------------------------------------------------------===// #include "clang/Tooling/ArgumentsAdjusters.h" #include "clang/Basic/LLVM.h" #include "llvm/ADT/StringRef.h" namespace clang { namespace tooling { /// Add -fsyntax-only option to the commnand line arguments. ArgumentsAdjuster getClangSyntaxOnlyAdjuster() { return [](const CommandLineArguments &Args) { CommandLineArguments AdjustedArgs; for (size_t i = 0, e = Args.size(); i != e; ++i) { StringRef Arg = Args[i]; // FIXME: Remove options that generate output. if (!Arg.startswith("-fcolor-diagnostics") && !Arg.startswith("-fdiagnostics-color")) AdjustedArgs.push_back(Args[i]); } AdjustedArgs.push_back("-fsyntax-only"); return AdjustedArgs; }; } ArgumentsAdjuster getClangStripOutputAdjuster() { return [](const CommandLineArguments &Args) { CommandLineArguments AdjustedArgs; for (size_t i = 0, e = Args.size(); i < e; ++i) { StringRef Arg = Args[i]; if (!Arg.startswith("-o")) AdjustedArgs.push_back(Args[i]); if (Arg == "-o") { // Output is specified as -o foo. Skip the next argument also. ++i; } // Else, the output is specified as -ofoo. Just do nothing. } return AdjustedArgs; }; } ArgumentsAdjuster getInsertArgumentAdjuster(const CommandLineArguments &Extra, ArgumentInsertPosition Pos) { return [Extra, Pos](const CommandLineArguments &Args) { CommandLineArguments Return(Args); CommandLineArguments::iterator I; if (Pos == ArgumentInsertPosition::END) { I = Return.end(); } else { I = Return.begin(); ++I; // To leave the program name in place } Return.insert(I, Extra.begin(), Extra.end()); return Return; }; } ArgumentsAdjuster getInsertArgumentAdjuster(const char *Extra, ArgumentInsertPosition Pos) { return getInsertArgumentAdjuster(CommandLineArguments(1, Extra), Pos); } ArgumentsAdjuster combineAdjusters(ArgumentsAdjuster First, ArgumentsAdjuster Second) { return [First, Second](const CommandLineArguments &Args) { return Second(First(Args)); }; } } // end namespace tooling } // end namespace clang