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// Copyright (c) 2020 Egor Tensin <egor@tensin.name>
// 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 winapi {
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;
std::size_t length() const {
return _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;
CallStack(std::array<Address, max_length>&& frames, std::size_t length)
: frames{std::move(frames)}, _length{length} {}
std::array<Address, max_length> frames;
std::size_t _length;
};
} // namespace winapi
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