include/pdb/ -> include/winapi/debug/

1 files changed, 53 insertions, 0 deletions

diff --git a/include/winapi/debug/call_stack.hpp b/include/winapi/debug/call_stack.hpp
new file mode 100644
index 0000000..30f642c
--- /dev/null
+++ b/include/winapi/debug/call_stack.hpp
@@ -0,0 +1,53 @@
+// Copyright (c) 2020 Egor Tensin <Egor.Tensin@gmail.com>
+// This file is part of the "winapi-debug" project.
+// For details, see https://github.com/egor-tensin/winapi-debug.
+// Distributed under the MIT License.
+
+#pragma once
+
+#include "address.hpp"
+#include "dbghelp.hpp"
+
+#include <windows.h>
+
+#include <array>
+#include <cstddef>
+#include <functional>
+#include <ostream>
+#include <string>
+
+namespace pdb {
+
+class CallStack {
+public:
+    static constexpr std::size_t frames_to_skip = 0;
+    static constexpr std::size_t frames_to_capture = 62;
+
+    // Imposed by CaptureStackBackTrace:
+    static constexpr std::size_t max_length = 62;
+
+    static_assert(frames_to_skip + frames_to_capture <= max_length,
+                  "Call stack length is too large");
+
+    static CallStack capture();
+
+    using AddressCallback = std::function<bool(Address)>;
+    bool for_each_address(const AddressCallback& callback) const;
+
+    static std::string pretty_print_address(const DbgHelp& dbghelp, Address addr);
+
+    void dump(std::ostream& os, const DbgHelp&) const;
+
+    const std::array<Address, max_length> frames;
+    const std::size_t length;
+
+    const Address* begin() const { return frames.data(); }
+    const Address* cbegin() const { return begin(); }
+    const Address* end() const { return begin() + length; }
+    const Address* cend() const { return end(); }
+
+private:
+    CallStack() = default;
+};
+
+} // namespace pdb