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//===--- 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"
namespace clang {
namespace tooling {
/// Add -fsyntax-only option to the commnand line arguments.
ArgumentsAdjuster getClangSyntaxOnlyAdjuster() {
return [](const CommandLineArguments &Args, StringRef /*unused*/) {
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, StringRef /*unused*/) {
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, StringRef /*unused*/) {
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, StringRef File) {
return Second(First(Args, File), File);
};
}
} // end namespace tooling
} // end namespace clang
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