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Mark all built in functions with appropriate statemutability

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This commit is contained in:
Alex Beregszaszi 2017-08-28 13:35:28 +01:00
parent 3d228e98f1
commit aa94000a91
3 changed files with 17 additions and 12 deletions
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20
libsolidity/analysis/GlobalContext.cpp
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@ -43,13 +43,13 @@ m_magicVariables(vector<shared_ptr<MagicVariableDeclaration const>>{make_shared<
make_shared<MagicVariableDeclaration>("selfdestruct",
make_shared<FunctionType>(strings{"address"}, strings{}, FunctionType::Kind::Selfdestruct)),
make_shared<MagicVariableDeclaration>("addmod",
make_shared<FunctionType>(strings{"uint256", "uint256", "uint256"}, strings{"uint256"}, FunctionType::Kind::AddMod)),
make_shared<FunctionType>(strings{"uint256", "uint256", "uint256"}, strings{"uint256"}, FunctionType::Kind::AddMod, false, StateMutability::Pure)),
make_shared<MagicVariableDeclaration>("mulmod",
make_shared<FunctionType>(strings{"uint256", "uint256", "uint256"}, strings{"uint256"}, FunctionType::Kind::MulMod)),
make_shared<FunctionType>(strings{"uint256", "uint256", "uint256"}, strings{"uint256"}, FunctionType::Kind::MulMod, false, StateMutability::Pure)),
make_shared<MagicVariableDeclaration>("sha3",
make_shared<FunctionType>(strings(), strings{"bytes32"}, FunctionType::Kind::SHA3, true)),
make_shared<FunctionType>(strings(), strings{"bytes32"}, FunctionType::Kind::SHA3, true, StateMutability::Pure)),
make_shared<MagicVariableDeclaration>("keccak256",
make_shared<FunctionType>(strings(), strings{"bytes32"}, FunctionType::Kind::SHA3, true)),
make_shared<FunctionType>(strings(), strings{"bytes32"}, FunctionType::Kind::SHA3, true, StateMutability::Pure)),
make_shared<MagicVariableDeclaration>("log0",
make_shared<FunctionType>(strings{"bytes32"}, strings{}, FunctionType::Kind::Log0)),
make_shared<MagicVariableDeclaration>("log1",
@ -61,17 +61,17 @@ m_magicVariables(vector<shared_ptr<MagicVariableDeclaration const>>{make_shared<
make_shared<MagicVariableDeclaration>("log4",
make_shared<FunctionType>(strings{"bytes32", "bytes32", "bytes32", "bytes32", "bytes32"}, strings{}, FunctionType::Kind::Log4)),
make_shared<MagicVariableDeclaration>("sha256",
make_shared<FunctionType>(strings(), strings{"bytes32"}, FunctionType::Kind::SHA256, true)),
make_shared<FunctionType>(strings(), strings{"bytes32"}, FunctionType::Kind::SHA256, true, StateMutability::Pure)),
make_shared<MagicVariableDeclaration>("ecrecover",
make_shared<FunctionType>(strings{"bytes32", "uint8", "bytes32", "bytes32"}, strings{"address"}, FunctionType::Kind::ECRecover)),
make_shared<FunctionType>(strings{"bytes32", "uint8", "bytes32", "bytes32"}, strings{"address"}, FunctionType::Kind::ECRecover, false, StateMutability::Pure)),
make_shared<MagicVariableDeclaration>("ripemd160",
make_shared<FunctionType>(strings(), strings{"bytes20"}, FunctionType::Kind::RIPEMD160, true)),
make_shared<FunctionType>(strings(), strings{"bytes20"}, FunctionType::Kind::RIPEMD160, true, StateMutability::Pure)),
make_shared<MagicVariableDeclaration>("assert",
make_shared<FunctionType>(strings{"bool"}, strings{}, FunctionType::Kind::Assert)),
make_shared<FunctionType>(strings{"bool"}, strings{}, FunctionType::Kind::Assert, false, StateMutability::Pure)),
make_shared<MagicVariableDeclaration>("require",
make_shared<FunctionType>(strings{"bool"}, strings{}, FunctionType::Kind::Require)),
make_shared<FunctionType>(strings{"bool"}, strings{}, FunctionType::Kind::Require, false, StateMutability::Pure)),
make_shared<MagicVariableDeclaration>("revert",
make_shared<FunctionType>(strings(), strings(), FunctionType::Kind::Revert))})
make_shared<FunctionType>(strings(), strings(), FunctionType::Kind::Revert, false, StateMutability::Pure))})
{
}

5
libsolidity/analysis/TypeChecker.cpp
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@ -1626,7 +1626,10 @@ void TypeChecker::endVisit(NewExpression const& _newExpression)
TypePointers{type},
strings(),
strings(),
FunctionType::Kind::ObjectCreation
FunctionType::Kind::ObjectCreation,
false,
nullptr,
StateMutability::Pure
);
_newExpression.annotation().isPure = true;
}

4
libsolidity/ast/Types.cpp
View File

@ -2569,6 +2569,8 @@ u256 FunctionType::externalIdentifier() const
bool FunctionType::isPure() const
{
// FIXME: replace this with m_stateMutability == StateMutability::Pure once
// the callgraph analyzer is in place
return
m_kind == Kind::SHA3 ||
m_kind == Kind::ECRecover ||
@ -2865,7 +2867,7 @@ MemberList::MemberMap MagicType::nativeMembers(ContractDefinition const*) const
return MemberList::MemberMap({
{"coinbase", make_shared<IntegerType>(0, IntegerType::Modifier::Address)},
{"timestamp", make_shared<IntegerType>(256)},
{"blockhash", make_shared<FunctionType>(strings{"uint"}, strings{"bytes32"}, FunctionType::Kind::BlockHash)},
{"blockhash", make_shared<FunctionType>(strings{"uint"}, strings{"bytes32"}, FunctionType::Kind::BlockHash, false, StateMutability::View)},
{"difficulty", make_shared<IntegerType>(256)},
{"number", make_shared<IntegerType>(256)},
{"gaslimit", make_shared<IntegerType>(256)}