const char *Extra,
ArgumentInsertPosition Pos = ArgumentInsertPosition::END);
+/// Gets an argument adjuster which strips plugin related command line
+/// arguments.
+ArgumentsAdjuster getStripPluginsAdjuster();
+
/// Gets an argument adjuster which adjusts the arguments in sequence
/// with the \p First adjuster and then with the \p Second one.
ArgumentsAdjuster combineAdjusters(ArgumentsAdjuster First,
};
}
+ArgumentsAdjuster getStripPluginsAdjuster() {
+ return [](const CommandLineArguments &Args, StringRef /*unused*/) {
+ CommandLineArguments AdjustedArgs;
+ for (size_t I = 0, E = Args.size(); I != E; I++) {
+ // According to https://clang.llvm.org/docs/ClangPlugins.html
+ // plugin arguments are in the form:
+ // -Xclang {-load, -plugin, -plugin-arg-<plugin-name>, -add-plugin}
+ // -Xclang <arbitrary-argument>
+ if (I + 4 < E && Args[I] == "-Xclang" &&
+ (Args[I + 1] == "-load" || Args[I + 1] == "-plugin" ||
+ llvm::StringRef(Args[I + 1]).startswith("-plugin-arg-") ||
+ Args[I + 1] == "-add-plugin") &&
+ Args[I + 2] == "-Xclang") {
+ I += 3;
+ continue;
+ }
+ AdjustedArgs.push_back(Args[I]);
+ }
+ return AdjustedArgs;
+ };
+}
+
} // end namespace tooling
} // end namespace clang
EXPECT_TRUE(HasFlag("-w"));
}
+// Check getClangStripPluginsAdjuster strips plugin related args.
+TEST(ClangToolTest, StripPluginsAdjuster) {
+ FixedCompilationDatabase Compilations(
+ "/", {"-Xclang", "-add-plugin", "-Xclang", "random-plugin"});
+
+ ClangTool Tool(Compilations, std::vector<std::string>(1, "/a.cc"));
+ Tool.mapVirtualFile("/a.cc", "void a() {}");
+
+ std::unique_ptr<FrontendActionFactory> Action(
+ newFrontendActionFactory<SyntaxOnlyAction>());
+
+ CommandLineArguments FinalArgs;
+ ArgumentsAdjuster CheckFlagsAdjuster =
+ [&FinalArgs](const CommandLineArguments &Args, StringRef /*unused*/) {
+ FinalArgs = Args;
+ return Args;
+ };
+ Tool.clearArgumentsAdjusters();
+ Tool.appendArgumentsAdjuster(getStripPluginsAdjuster());
+ Tool.appendArgumentsAdjuster(CheckFlagsAdjuster);
+ Tool.run(Action.get());
+
+ auto HasFlag = [&FinalArgs](const std::string &Flag) {
+ return std::find(FinalArgs.begin(), FinalArgs.end(), Flag) !=
+ FinalArgs.end();
+ };
+ EXPECT_FALSE(HasFlag("-Xclang"));
+ EXPECT_FALSE(HasFlag("-add-plugin"));
+ EXPECT_FALSE(HasFlag("-random-plugin"));
+}
+
namespace {
/// Find a target name such that looking for it in TargetRegistry by that name
/// returns the same target. We expect that there is at least one target