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Add isFallback() helper

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This commit is contained in:
Alex Beregszaszi 2017-07-27 20:55:55 +01:00
parent 53f747b7de
commit 9fc6eccc26
4 changed files with 9 additions and 6 deletions
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4
libsolidity/analysis/TypeChecker.cpp
View File

@ -93,7 +93,7 @@ bool TypeChecker::visit(ContractDefinition const& _contract)
FunctionDefinition const* fallbackFunction = nullptr;
for (FunctionDefinition const* function: _contract.definedFunctions())
{
if (function->name().empty())
if (function->isFallback())
{
if (fallbackFunction)
{
@ -482,7 +482,7 @@ bool TypeChecker::visit(FunctionDefinition const& _function)
{
if (isLibraryFunction)
m_errorReporter.typeError(_function.location(), "Library functions cannot be payable.");
if (!_function.isConstructor() && !_function.name().empty() && !_function.isPartOfExternalInterface())
if (!_function.isConstructor() && !_function.isFallback() && !_function.isPartOfExternalInterface())
m_errorReporter.typeError(_function.location(), "Internal functions cannot be payable.");
if (_function.isDeclaredConst())
m_errorReporter.typeError(_function.location(), "Functions cannot be constant and payable at the same time.");

2
libsolidity/ast/AST.cpp
View File

@ -162,7 +162,7 @@ FunctionDefinition const* ContractDefinition::fallbackFunction() const
{
for (ContractDefinition const* contract: annotation().linearizedBaseContracts)
for (FunctionDefinition const* f: contract->definedFunctions())
if (f->name().empty())
if (f->isFallback())
return f;
return nullptr;
}

5
libsolidity/ast/AST.h
View File

@ -589,6 +589,7 @@ public:
virtual void accept(ASTConstVisitor& _visitor) const override;
bool isConstructor() const { return m_isConstructor; }
bool isFallback() const { return name().empty(); }
bool isDeclaredConst() const { return m_isDeclaredConst; }
bool isPayable() const { return m_isPayable; }
std::vector<ASTPointer<ModifierInvocation>> const& modifiers() const { return m_functionModifiers; }
@ -596,9 +597,9 @@ public:
Block const& body() const { solAssert(m_body, ""); return *m_body; }
virtual bool isVisibleInContract() const override
{
return Declaration::isVisibleInContract() && !isConstructor() && !name().empty();
return Declaration::isVisibleInContract() && !isConstructor() && !isFallback();
}
virtual bool isPartOfExternalInterface() const override { return isPublic() && !m_isConstructor && !name().empty(); }
virtual bool isPartOfExternalInterface() const override { return isPublic() && !isConstructor() && !isFallback(); }
/// @returns the external signature of the function
/// That consists of the name of the function followed by the types of the

4
libsolidity/interface/CompilerStack.cpp
View File

@ -935,7 +935,7 @@ Json::Value CompilerStack::gasEstimates(string const& _contractName) const
for (auto const& it: contract.definedFunctions())
{
/// Exclude externally visible functions, constructor and the fallback function
if (it->isPartOfExternalInterface() || it->isConstructor() || it->name().empty())
if (it->isPartOfExternalInterface() || it->isConstructor() || it->isFallback())
continue;
size_t entry = functionEntryPoint(_contractName, *it);
@ -943,12 +943,14 @@ Json::Value CompilerStack::gasEstimates(string const& _contractName) const
if (entry > 0)
gas = GasEstimator::functionalEstimation(*items, entry, *it);
/// TODO: This could move into a method shared with externalSignature()
FunctionType type(*it);
string sig = it->name() + "(";
auto paramTypes = type.parameterTypes();
for (auto it = paramTypes.begin(); it != paramTypes.end(); ++it)
sig += (*it)->toString() + (it + 1 == paramTypes.end() ? "" : ",");
sig += ")";
internalFunctions[sig] = gasToJson(gas);
}