1 files changed, 136 insertions, 0 deletions
diff --git a/contrib/llvm-project/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.h b/contrib/llvm-project/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.h
new file mode 100644
index 000000000000..d30e56080732
--- /dev/null
+++ b/contrib/llvm-project/lldb/source/Plugins/Language/CPlusPlus/CPlusPlusLanguage.h
@@ -0,0 +1,136 @@
+//===-- CPlusPlusLanguage.h -------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef liblldb_CPlusPlusLanguage_h_
+#define liblldb_CPlusPlusLanguage_h_
+
+#include <set>
+#include <vector>
+
+#include "llvm/ADT/StringRef.h"
+
+#include "Plugins/Language/ClangCommon/ClangHighlighter.h"
+#include "lldb/Target/Language.h"
+#include "lldb/Utility/ConstString.h"
+#include "lldb/lldb-private.h"
+
+namespace lldb_private {
+
+class CPlusPlusLanguage : public Language {
+  ClangHighlighter m_highlighter;
+
+public:
+  class MethodName {
+  public:
+    MethodName()
+        : m_full(), m_basename(), m_context(), m_arguments(), m_qualifiers(),
+          m_parsed(false), m_parse_error(false) {}
+
+    MethodName(ConstString s)
+        : m_full(s), m_basename(), m_context(), m_arguments(), m_qualifiers(),
+          m_parsed(false), m_parse_error(false) {}
+
+    void Clear();
+
+    bool IsValid() {
+      if (!m_parsed)
+        Parse();
+      if (m_parse_error)
+        return false;
+      return (bool)m_full;
+    }
+
+    ConstString GetFullName() const { return m_full; }
+
+    std::string GetScopeQualifiedName();
+
+    llvm::StringRef GetBasename();
+
+    llvm::StringRef GetContext();
+
+    llvm::StringRef GetArguments();
+
+    llvm::StringRef GetQualifiers();
+
+  protected:
+    void Parse();
+    bool TrySimplifiedParse();
+
+    ConstString m_full; // Full name:
+                        // "lldb::SBTarget::GetBreakpointAtIndex(unsigned int)
+                        // const"
+    llvm::StringRef m_basename;   // Basename:     "GetBreakpointAtIndex"
+    llvm::StringRef m_context;    // Decl context: "lldb::SBTarget"
+    llvm::StringRef m_arguments;  // Arguments:    "(unsigned int)"
+    llvm::StringRef m_qualifiers; // Qualifiers:   "const"
+    bool m_parsed;
+    bool m_parse_error;
+  };
+
+  CPlusPlusLanguage() = default;
+
+  ~CPlusPlusLanguage() override = default;
+
+  lldb::LanguageType GetLanguageType() const override {
+    return lldb::eLanguageTypeC_plus_plus;
+  }
+
+  std::unique_ptr<TypeScavenger> GetTypeScavenger() override;
+  lldb::TypeCategoryImplSP GetFormatters() override;
+
+  HardcodedFormatters::HardcodedSummaryFinder GetHardcodedSummaries() override;
+
+  HardcodedFormatters::HardcodedSyntheticFinder
+  GetHardcodedSynthetics() override;
+
+  bool IsSourceFile(llvm::StringRef file_path) const override;
+
+  const Highlighter *GetHighlighter() const override { return &m_highlighter; }
+
+  // Static Functions
+  static void Initialize();
+
+  static void Terminate();
+
+  static lldb_private::Language *CreateInstance(lldb::LanguageType language);
+
+  static lldb_private::ConstString GetPluginNameStatic();
+
+  static bool IsCPPMangledName(const char *name);
+
+  // Extract C++ context and identifier from a string using heuristic matching
+  // (as opposed to
+  // CPlusPlusLanguage::MethodName which has to have a fully qualified C++ name
+  // with parens and arguments.
+  // If the name is a lone C identifier (e.g. C) or a qualified C identifier
+  // (e.g. A::B::C) it will return true,
+  // and identifier will be the identifier (C and C respectively) and the
+  // context will be "" and "A::B" respectively.
+  // If the name fails the heuristic matching for a qualified or unqualified
+  // C/C++ identifier, then it will return false
+  // and identifier and context will be unchanged.
+
+  static bool ExtractContextAndIdentifier(const char *name,
+                                          llvm::StringRef &context,
+                                          llvm::StringRef &identifier);
+
+  // Given a mangled function name, calculates some alternative manglings since
+  // the compiler mangling may not line up with the symbol we are expecting
+  static uint32_t
+  FindAlternateFunctionManglings(const ConstString mangled,
+                                 std::set<ConstString> &candidates);
+
+  // PluginInterface protocol
+  ConstString GetPluginName() override;
+
+  uint32_t GetPluginVersion() override;
+};
+
+} // namespace lldb_private
+
+#endif // liblldb_CPlusPlusLanguage_h_