From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 21:33:14 +0200
Subject: Adding upstream version 115.7.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../tools/clang/plugins/ChromeClassTester.h        | 84 ++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 third_party/libwebrtc/tools/clang/plugins/ChromeClassTester.h

(limited to 'third_party/libwebrtc/tools/clang/plugins/ChromeClassTester.h')

diff --git a/third_party/libwebrtc/tools/clang/plugins/ChromeClassTester.h b/third_party/libwebrtc/tools/clang/plugins/ChromeClassTester.h
new file mode 100644
index 0000000000..588ae9cae5
--- /dev/null
+++ b/third_party/libwebrtc/tools/clang/plugins/ChromeClassTester.h
@@ -0,0 +1,84 @@
+// 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.
+
+#ifndef TOOLS_CLANG_PLUGINS_CHROMECLASSTESTER_H_
+#define TOOLS_CLANG_PLUGINS_CHROMECLASSTESTER_H_
+
+#include <set>
+#include <vector>
+
+#include "clang/AST/ASTConsumer.h"
+#include "clang/AST/TypeLoc.h"
+#include "clang/Frontend/CompilerInstance.h"
+
+// A class on top of ASTConsumer that forwards classes defined in Chromium
+// headers to subclasses which implement CheckChromeClass().
+class ChromeClassTester : public clang::ASTConsumer {
+ public:
+  explicit ChromeClassTester(clang::CompilerInstance& instance);
+  virtual ~ChromeClassTester();
+
+  // clang::ASTConsumer:
+  virtual void HandleTagDeclDefinition(clang::TagDecl* tag);
+  virtual bool HandleTopLevelDecl(clang::DeclGroupRef group_ref);
+
+ protected:
+  clang::CompilerInstance& instance() { return instance_; }
+  clang::DiagnosticsEngine& diagnostic() { return diagnostic_; }
+
+  // Emits a simple warning; this shouldn't be used if you require printf-style
+  // printing.
+  void emitWarning(clang::SourceLocation loc, const char* error);
+
+  // Utility method for subclasses to check if this class is in a banned
+  // namespace.
+  bool InBannedNamespace(const clang::Decl* record);
+
+  // Utility method for subclasses to determine the namespace of the
+  // specified record, if any. Unnamed namespaces will be identified as
+  // "<anonymous namespace>".
+  std::string GetNamespace(const clang::Decl* record);
+
+  // Utility method for subclasses to check if this class is within an
+  // implementation (.cc, .cpp, .mm) file.
+  bool InImplementationFile(clang::SourceLocation location);
+
+ private:
+  void BuildBannedLists();
+
+  void CheckTag(clang::TagDecl*);
+
+  // Filtered versions of tags that are only called with things defined in
+  // chrome header files.
+  virtual void CheckChromeClass(clang::SourceLocation record_location,
+                                clang::CXXRecordDecl* record) = 0;
+
+  // Utility methods used for filtering out non-chrome classes (and ones we
+  // deliberately ignore) in HandleTagDeclDefinition().
+  std::string GetNamespaceImpl(const clang::DeclContext* context,
+                               const std::string& candidate);
+  bool InBannedDirectory(clang::SourceLocation loc);
+  bool IsIgnoredType(const std::string& base_name);
+
+  // Attempts to determine the filename for the given SourceLocation.
+  // Returns false if the filename could not be determined.
+  bool GetFilename(clang::SourceLocation loc, std::string* filename);
+
+  clang::CompilerInstance& instance_;
+  clang::DiagnosticsEngine& diagnostic_;
+
+  // List of banned namespaces.
+  std::vector<std::string> banned_namespaces_;
+
+  // List of banned directories.
+  std::vector<std::string> banned_directories_;
+
+  // List of types that we don't check.
+  std::set<std::string> ignored_record_names_;
+
+  // List of decls to check once the current top-level decl is parsed.
+  std::vector<clang::TagDecl*> pending_class_decls_;
+};
+
+#endif  // TOOLS_CLANG_PLUGINS_CHROMECLASSTESTER_H_
-- 
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