Isolating files shared between Yul- and Solidity language frontend.

1 files changed, 0 insertions, 94 deletions

diff --git a/libsolidity/interface/EVMVersion.h b/libsolidity/interface/EVMVersion.h
deleted file mode 100644
index 657727ac..00000000
--- a/libsolidity/interface/EVMVersion.h
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
-	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/>.
-*/
-/**
- * EVM versioning.
- */
-
-#pragma once
-
-#include <string>
-
-#include <boost/optional.hpp>
-#include <boost/operators.hpp>
-
-namespace dev
-{
-namespace solidity
-{
-
-/**
- * A version specifier of the EVM we want to compile to.
- * Defaults to the latest version.
- */
-class EVMVersion:
-	boost::less_than_comparable<EVMVersion>,
-	boost::equality_comparable<EVMVersion>
-{
-public:
-	EVMVersion() {}
-
-	static EVMVersion homestead() { return {Version::Homestead}; }
-	static EVMVersion tangerineWhistle() { return {Version::TangerineWhistle}; }
-	static EVMVersion spuriousDragon() { return {Version::SpuriousDragon}; }
-	static EVMVersion byzantium() { return {Version::Byzantium}; }
-	static EVMVersion constantinople() { return {Version::Constantinople}; }
-
-	static boost::optional<EVMVersion> fromString(std::string const& _version)
-	{
-		for (auto const& v: {homestead(), tangerineWhistle(), spuriousDragon(), byzantium(), constantinople()})
-			if (_version == v.name())
-				return v;
-		return {};
-	}
-
-	bool operator==(EVMVersion const& _other) const { return m_version == _other.m_version; }
-	bool operator<(EVMVersion const& _other) const { return m_version < _other.m_version; }
-
-	std::string name() const
-	{
-		switch (m_version)
-		{
-		case Version::Homestead: return "homestead";
-		case Version::TangerineWhistle: return "tangerineWhistle";
-		case Version::SpuriousDragon: return "spuriousDragon";
-		case Version::Byzantium: return "byzantium";
-		case Version::Constantinople: return "constantinople";
-		}
-		return "INVALID";
-	}
-
-	/// Has the RETURNDATACOPY and RETURNDATASIZE opcodes.
-	bool supportsReturndata() const { return *this >= byzantium(); }
-	bool hasStaticCall() const { return *this >= byzantium(); }
-	bool hasBitwiseShifting() const { return *this >= constantinople(); }
-	bool hasCreate2() const { return *this >= constantinople(); }
-
-	/// Whether we have to retain the costs for the call opcode itself (false),
-	/// or whether we can just forward easily all remaining gas (true).
-	bool canOverchargeGasForCall() const { return *this >= tangerineWhistle(); }
-
-private:
-	enum class Version { Homestead, TangerineWhistle, SpuriousDragon, Byzantium, Constantinople };
-
-	EVMVersion(Version _version): m_version(_version) {}
-
-	Version m_version = Version::Byzantium;
-};
-
-
-}
-}