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Merge pull request #2754 from ethereum/isdeclaredconst

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Use statemutability instead of isDeclaredConst
This commit is contained in:
Alex Beregszaszi 2017-08-16 19:51:09 +01:00 committed by GitHub
commit 4c6d476f7e
8 changed files with 42 additions and 39 deletions
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39
libsolidity/analysis/TypeChecker.cpp
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@ -84,8 +84,13 @@ bool TypeChecker::visit(ContractDefinition const& _contract)
{
if (!function->returnParameters().empty())
m_errorReporter.typeError(function->returnParameterList()->location(), "Non-empty \"returns\" directive for constructor.");
if (function->isDeclaredConst())
m_errorReporter.typeError(function->location(), "Constructor cannot be defined as constant.");
if (function->stateMutability() != StateMutability::NonPayable && function->stateMutability() != StateMutability::Payable)
m_errorReporter.typeError(
function->location(),
"Constructor must be payable or non-payable, but is \"" +
stateMutabilityToString(function->stateMutability()) +
"\"."
);
if (function->visibility() != FunctionDefinition::Visibility::Public && function->visibility() != FunctionDefinition::Visibility::Internal)
m_errorReporter.typeError(function->location(), "Constructor must be public or internal.");
}
@ -104,8 +109,13 @@ bool TypeChecker::visit(ContractDefinition const& _contract)
fallbackFunction = function;
if (_contract.isLibrary())
m_errorReporter.typeError(fallbackFunction->location(), "Libraries cannot have fallback functions.");
if (fallbackFunction->isDeclaredConst())
m_errorReporter.typeError(fallbackFunction->location(), "Fallback function cannot be declared constant.");
if (function->stateMutability() != StateMutability::NonPayable && function->stateMutability() != StateMutability::Payable)
m_errorReporter.typeError(
function->location(),
"Fallback function must be payable or non-payable, but is \"" +
stateMutabilityToString(function->stateMutability()) +
"\"."
);
if (!fallbackFunction->parameters().empty())
m_errorReporter.typeError(fallbackFunction->parameterList().location(), "Fallback function cannot take parameters.");
if (!fallbackFunction->returnParameters().empty())
@ -308,17 +318,16 @@ void TypeChecker::checkFunctionOverride(FunctionDefinition const& function, Func
if (function.visibility() != super.visibility())
overrideError(function, super, "Overriding function visibility differs.");
else if (function.isDeclaredConst() && !super.isDeclaredConst())
overrideError(function, super, "Overriding function should not be declared constant.");
else if (!function.isDeclaredConst() && super.isDeclaredConst())
overrideError(function, super, "Overriding function should be declared constant.");
else if (function.isPayable() && !super.isPayable())
overrideError(function, super, "Overriding function should not be declared payable.");
else if (!function.isPayable() && super.isPayable())
overrideError(function, super, "Overriding function should be declared payable.");
else if (function.stateMutability() != super.stateMutability())
overrideError(
function,
super,
"Overriding function changes state mutability from \"" +
stateMutabilityToString(super.stateMutability()) +
"\" to \"" +
stateMutabilityToString(function.stateMutability()) +
"\"."
);
else if (functionType != superType)
overrideError(function, super, "Overriding function return types differ.");

2
libsolidity/ast/AST.h
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@ -608,7 +608,6 @@ public:
StateMutability stateMutability() const { return m_stateMutability; }
bool isConstructor() const { return m_isConstructor; }
bool isFallback() const { return name().empty(); }
bool isDeclaredConst() const { return m_stateMutability == StateMutability::View; }
bool isPayable() const { return m_stateMutability == StateMutability::Payable; }
std::vector<ASTPointer<ModifierInvocation>> const& modifiers() const { return m_functionModifiers; }
std::vector<ASTPointer<VariableDeclaration>> const& returnParameters() const { return m_returnParameters->parameters(); }
@ -913,7 +912,6 @@ public:
return m_visibility == Declaration::Visibility::Default ? Declaration::Visibility::Internal : m_visibility;
}
StateMutability stateMutability() const { return m_stateMutability; }
bool isDeclaredConst() const { return m_stateMutability == StateMutability::View; }
bool isPayable() const { return m_stateMutability == StateMutability::Payable; }
private:

6
libsolidity/ast/ASTJsonConverter.cpp
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@ -323,8 +323,9 @@ bool ASTJsonConverter::visit(FunctionDefinition const& _node)
{
std::vector<pair<string, Json::Value>> attributes = {
make_pair("name", _node.name()),
make_pair(m_legacy ? "constant" : "isDeclaredConst", _node.isDeclaredConst()),
make_pair(m_legacy ? "constant" : "isDeclaredConst", _node.stateMutability() == StateMutability::View),
make_pair("payable", _node.isPayable()),
make_pair("statemutability", stateMutabilityToString(_node.stateMutability())),
make_pair("visibility", Declaration::visibilityToString(_node.visibility())),
make_pair("parameters", toJson(_node.parameterList())),
make_pair("isConstructor", _node.isConstructor()),
@ -419,7 +420,8 @@ bool ASTJsonConverter::visit(FunctionTypeName const& _node)
setJsonNode(_node, "FunctionTypeName", {
make_pair("payable", _node.isPayable()),
make_pair("visibility", Declaration::visibilityToString(_node.visibility())),
make_pair(m_legacy ? "constant" : "isDeclaredConst", _node.isDeclaredConst()),
make_pair("statemutability", stateMutabilityToString(_node.stateMutability())),
make_pair(m_legacy ? "constant" : "isDeclaredConst", _node.stateMutability() == StateMutability::View),
make_pair("parameterTypes", toJson(*_node.parameterTypeList())),
make_pair("returnParameterTypes", toJson(*_node.returnParameterTypeList())),
make_pair("typeDescriptions", typePointerToJson(_node.annotation().type))

2
libsolidity/ast/ASTPrinter.cpp
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@ -105,7 +105,7 @@ bool ASTPrinter::visit(FunctionDefinition const& _node)
{
writeLine("FunctionDefinition \"" + _node.name() + "\"" +
(_node.isPublic() ? " - public" : "") +
(_node.isDeclaredConst() ? " - const" : ""));
(_node.stateMutability() == StateMutability::View ? " - const" : ""));
printSourcePart(_node);
return goDeeper();
}

14
libsolidity/ast/Types.cpp
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@ -2215,10 +2215,7 @@ string FunctionType::identifier() const
case Kind::Require: id += "require";break;
default: solAssert(false, "Unknown function location."); break;
}
if (isConstant())
id += "_constant";
if (isPayable())
id += "_payable";
id += "_" + stateMutabilityToString(m_stateMutability);
id += identifierList(m_parameterTypes) + "returns" + identifierList(m_returnParameterTypes);
if (m_gasSet)
id += "gas";
@ -2237,8 +2234,7 @@ bool FunctionType::operator==(Type const& _other) const
FunctionType const& other = dynamic_cast<FunctionType const&>(_other);
if (
m_kind != other.m_kind ||
isConstant() != other.isConstant() ||
isPayable() != other.isPayable() ||
m_stateMutability != other.stateMutability() ||
m_parameterTypes.size() != other.m_parameterTypes.size() ||
m_returnParameterTypes.size() != other.m_returnParameterTypes.size()
)
@ -2300,10 +2296,8 @@ string FunctionType::toString(bool _short) const
for (auto it = m_parameterTypes.begin(); it != m_parameterTypes.end(); ++it)
name += (*it)->toString(_short) + (it + 1 == m_parameterTypes.end() ? "" : ",");
name += ")";
if (isConstant())
name += " constant";
if (isPayable())
name += " payable";
if (m_stateMutability != StateMutability::NonPayable)
name += " " + stateMutabilityToString(m_stateMutability);
if (m_kind == Kind::External)
name += " external";
if (!m_returnParameterTypes.empty())

2
test/libsolidity/ASTJSON.cpp
View File

@ -221,7 +221,7 @@ BOOST_AUTO_TEST_CASE(function_type)
Json::Value retval = fun["children"][1]["children"][0];
BOOST_CHECK_EQUAL(retval["name"], "VariableDeclaration");
BOOST_CHECK_EQUAL(retval["attributes"]["name"], "");
BOOST_CHECK_EQUAL(retval["attributes"]["type"], "function () constant external returns (uint256)");
BOOST_CHECK_EQUAL(retval["attributes"]["type"], "function () view external returns (uint256)");
funType = retval["children"][0];
BOOST_CHECK_EQUAL(funType["attributes"]["constant"], true);
BOOST_CHECK_EQUAL(funType["attributes"]["payable"], false);

12
test/libsolidity/SolidityNameAndTypeResolution.cpp
View File

@ -933,7 +933,7 @@ BOOST_AUTO_TEST_CASE(illegal_override_remove_constness)
contract B { function f() constant {} }
contract C is B { function f() {} }
)";
CHECK_ERROR(text, TypeError, "Overriding function should be declared constant.");
CHECK_ERROR(text, TypeError, "Overriding function changes state mutability from \"view\" to \"nonpayable\".");
}
BOOST_AUTO_TEST_CASE(illegal_override_add_constness)
@ -942,7 +942,7 @@ BOOST_AUTO_TEST_CASE(illegal_override_add_constness)
contract B { function f() {} }
contract C is B { function f() constant {} }
)";
CHECK_ERROR(text, TypeError, "Overriding function should not be declared constant.");
CHECK_ERROR(text, TypeError, "Overriding function changes state mutability from \"nonpayable\" to \"view\".");
}
BOOST_AUTO_TEST_CASE(complex_inheritance)
@ -1363,7 +1363,7 @@ BOOST_AUTO_TEST_CASE(fallback_function_with_constant_modifier)
function() constant { x = 2; }
}
)";
CHECK_ERROR(text, TypeError, "Fallback function cannot be declared constant.");
CHECK_ERROR(text, TypeError, "Fallback function must be payable or non-payable");
}
BOOST_AUTO_TEST_CASE(fallback_function_twice)
@ -4779,7 +4779,7 @@ BOOST_AUTO_TEST_CASE(illegal_override_payable)
contract B { function f() payable {} }
contract C is B { function f() {} }
)";
CHECK_ERROR(text, TypeError, "Overriding function should be declared payable.");
CHECK_ERROR(text, TypeError, "Overriding function changes state mutability from \"payable\" to \"nonpayable\".");
}
BOOST_AUTO_TEST_CASE(illegal_override_payable_nonpayable)
@ -4788,7 +4788,7 @@ BOOST_AUTO_TEST_CASE(illegal_override_payable_nonpayable)
contract B { function f() {} }
contract C is B { function f() payable {} }
)";
CHECK_ERROR(text, TypeError, "Overriding function should not be declared payable.");
CHECK_ERROR(text, TypeError, "Overriding function changes state mutability from \"nonpayable\" to \"payable\".");
}
BOOST_AUTO_TEST_CASE(function_variable_mixin)
@ -4873,7 +4873,7 @@ BOOST_AUTO_TEST_CASE(constant_constructor)
function test() constant {}
}
)";
CHECK_ERROR(text, TypeError, "Constructor cannot be defined as constant.");
CHECK_ERROR(text, TypeError, "Constructor must be payable or non-payable");
}
BOOST_AUTO_TEST_CASE(external_constructor)

4
test/libsolidity/SolidityTypes.cpp
View File

@ -129,10 +129,10 @@ BOOST_AUTO_TEST_CASE(type_identifiers)
BOOST_CHECK_EQUAL(t.identifier(), "t_tuple$_t_type$_t_enum$_Enum_$4_$_$_t_type$_t_struct$_Struct_$3_storage_ptr_$_$_t_array$_t_string_storage_$20_storage_ptr_$__$");
TypePointer sha3fun = make_shared<FunctionType>(strings{}, strings{}, FunctionType::Kind::SHA3);
BOOST_CHECK_EQUAL(sha3fun->identifier(), "t_function_sha3$__$returns$__$");
BOOST_CHECK_EQUAL(sha3fun->identifier(), "t_function_sha3_nonpayable$__$returns$__$");
FunctionType metaFun(TypePointers{sha3fun}, TypePointers{s.type()});
BOOST_CHECK_EQUAL(metaFun.identifier(), "t_function_internal$_t_function_sha3$__$returns$__$_$returns$_t_type$_t_struct$_Struct_$3_storage_ptr_$_$");
BOOST_CHECK_EQUAL(metaFun.identifier(), "t_function_internal_nonpayable$_t_function_sha3_nonpayable$__$returns$__$_$returns$_t_type$_t_struct$_Struct_$3_storage_ptr_$_$");
TypePointer m = make_shared<MappingType>(Type::fromElementaryTypeName("bytes32"), s.type());
MappingType m2(Type::fromElementaryTypeName("uint64"), m);