Bisect clang

tools/clang/plugins/FindBadConstructsAction.cpp

+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "FindBadConstructsAction.h"
+
+#include "clang/AST/ASTConsumer.h"
+#include "clang/Frontend/FrontendPluginRegistry.h"
+
+#include "FindBadConstructsConsumer.h"
+
+using namespace clang;
+
+namespace chrome_checker {
+
+namespace {
+
+class PluginConsumer : public ASTConsumer {
+ public:
+  PluginConsumer(CompilerInstance* instance, const Options& options)
+      : visitor_(*instance, options) {}
+
+  void HandleTranslationUnit(clang::ASTContext& context) override {
+    visitor_.TraverseDecl(context.getTranslationUnitDecl());
+  }
+
+ private:
+  FindBadConstructsConsumer visitor_;
+};
+
+}  // namespace
+
+FindBadConstructsAction::FindBadConstructsAction() {
+}
+
+std::unique_ptr<ASTConsumer> FindBadConstructsAction::CreateASTConsumer(
+    CompilerInstance& instance,
+    llvm::StringRef ref) {
+  if (options_.with_ast_visitor)
+    return llvm::make_unique<PluginConsumer>(&instance, options_);
+  return llvm::make_unique<FindBadConstructsConsumer>(instance, options_);
+}
+
+bool FindBadConstructsAction::ParseArgs(const CompilerInstance& instance,
+                                        const std::vector<std::string>& args) {
+  bool parsed = true;
+
+  for (size_t i = 0; i < args.size() && parsed; ++i) {
+    if (args[i] == "check-base-classes") {
+      // TODO(rsleevi): Remove this once http://crbug.com/123295 is fixed.
+      options_.check_base_classes = true;
+    } else if (args[i] == "enforce-blink") {
+      options_.enforce_blink = true;
+    } else if (args[i] == "check-enum-last-value") {
+      // TODO(tsepez): Enable this by default once http://crbug.com/356815
+      // and http://crbug.com/356816 are fixed.
+      options_.check_enum_last_value = true;
+    } else if (args[i] == "with-ast-visitor") {
+      options_.with_ast_visitor = true;
+    } else if (args[i] == "check-templates") {
+      options_.check_templates = true;
+    } else if (args[i] == "warn-only") {
+      options_.warn_only = true;
+    } else {
+      parsed = false;
+      llvm::errs() << "Unknown clang plugin argument: " << args[i] << "\n";
+    }
+  }
+
+  return parsed;
+}
+
+}  // namespace chrome_checker
+
+static FrontendPluginRegistry::Add<chrome_checker::FindBadConstructsAction> X(
+    "find-bad-constructs",
+    "Finds bad C++ constructs");