solidity/liblangutil/DebugInfoSelection.h

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2021-09-13 10:10:51 +00:00
/*
This file is part of solidity.
solidity is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
solidity is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with solidity. If not, see <http://www.gnu.org/licenses/>.
*/
// SPDX-License-Identifier: GPL-3.0
/**
* Handles selections of debug info components.
*/
#pragma once
#include <map>
#include <optional>
#include <ostream>
#include <string>
#include <string_view>
#include <vector>
namespace solidity::langutil
{
/**
* Represents a set of flags corresponding to components of debug info selected for some purpose.
*
* Provides extra functionality for enumerating the components and serializing/deserializing the
* selection to/from a comma-separated string.
*/
struct DebugInfoSelection
{
static DebugInfoSelection const All(bool _value = true) noexcept;
static DebugInfoSelection const None() noexcept { return All(false); }
static DebugInfoSelection const Only(bool DebugInfoSelection::* _member) noexcept;
static DebugInfoSelection const Default() noexcept { return All(); }
static std::optional<DebugInfoSelection> fromString(std::string_view _input);
static std::optional<DebugInfoSelection> fromComponents(
std::vector<std::string> const& _componentNames,
bool _acceptWildcards = false
);
bool enable(std::string _component);
bool all() const noexcept;
bool any() const noexcept;
bool none() const noexcept { return !any(); }
bool only(bool DebugInfoSelection::* _member) const noexcept { return *this == Only(_member); }
DebugInfoSelection& operator&=(DebugInfoSelection const& _other);
DebugInfoSelection& operator|=(DebugInfoSelection const& _other);
DebugInfoSelection operator&(DebugInfoSelection _other) const noexcept;
DebugInfoSelection operator|(DebugInfoSelection _other) const noexcept;
bool operator!=(DebugInfoSelection const& _other) const noexcept { return !(*this == _other); }
bool operator==(DebugInfoSelection const& _other) const noexcept;
friend std::ostream& operator<<(std::ostream& _stream, DebugInfoSelection const& _selection);
static auto const& componentMap()
{
static std::map<std::string, bool DebugInfoSelection::*> const components = {
{"location", &DebugInfoSelection::location},
{"snippet", &DebugInfoSelection::snippet},
{"ast-id", &DebugInfoSelection::astID},
};
return components;
}
bool location = false; ///< Include source location. E.g. `@src 3:50:100`
bool snippet = false; ///< Include source code snippet next to location. E.g. `@src 3:50:100 "contract C {..."`
bool astID = false; ///< Include ID of the Solidity AST node. E.g. `@ast-id 15`
};
std::ostream& operator<<(std::ostream& _stream, DebugInfoSelection const& _selection);
}