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Function signatures containing structs.

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This commit is contained in:
chriseth
2017-09-16 12:12:43 +01:00
committed by Alex Beregszaszi
parent 22f85d5af3
commit 080be885f8
4 changed files with 98 additions and 45 deletions
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libsolidity/ast/Types.cpp
+62 -28
View File
@@ -33,6 +33,7 @@
#include <boost/algorithm/string/replace.hpp>
#include <boost/algorithm/string/predicate.hpp>
#include <boost/range/adaptor/reversed.hpp>
#include <boost/range/algorithm/copy.hpp>
#include <boost/range/adaptor/sliced.hpp>
#include <boost/range/adaptor/transformed.hpp>
@@ -1470,7 +1471,7 @@ string ArrayType::toString(bool _short) const
return ret;
}
string ArrayType::canonicalName(bool _addDataLocation) const
string ArrayType::canonicalName() const
{
string ret;
if (isString())
@@ -1479,16 +1480,29 @@ string ArrayType::canonicalName(bool _addDataLocation) const
ret = "bytes";
else
{
ret = baseType()->canonicalName(false) + "[";
ret = baseType()->canonicalName() + "[";
if (!isDynamicallySized())
ret += length().str();
ret += "]";
}
if (_addDataLocation && location() == DataLocation::Storage)
ret += " storage";
return ret;
}
string ArrayType::signatureInExternalFunction(bool _structsByName) const
{
if (isByteArray())
return canonicalName();
else
{
solAssert(baseType(), "");
return
baseType()->signatureInExternalFunction(_structsByName) +
"[" +
(isDynamicallySized() ? "" : length().str()) +
"]";
}
}
MemberList::MemberMap ArrayType::nativeMembers(ContractDefinition const*) const
{
MemberList::MemberMap members;
@@ -1597,7 +1611,7 @@ string ContractType::toString(bool) const
m_contract.name();
}
string ContractType::canonicalName(bool) const
string ContractType::canonicalName() const
{
return m_contract.annotation().canonicalName;
}
@@ -1727,9 +1741,8 @@ bool StructType::isDynamicallyEncoded() const
u256 StructType::memorySize() const
{
u256 size;
for (auto const& member: members(nullptr))
if (member.type->canLiveOutsideStorage())
size += member.type->memoryHeadSize();
for (auto const& t: memoryMemberTypes())
size += t->memoryHeadSize();
return size;
}
@@ -1782,12 +1795,25 @@ TypePointer StructType::copyForLocation(DataLocation _location, bool _isPointer)
return copy;
}
string StructType::canonicalName(bool _addDataLocation) const
string StructType::signatureInExternalFunction(bool _structsByName) const
{
string ret = m_struct.annotation().canonicalName;
if (_addDataLocation && location() == DataLocation::Storage)
ret += " storage";
return ret;
if (_structsByName)
return canonicalName();
else
{
TypePointers memberTypes = memoryMemberTypes();
auto memberTypeStrings = memberTypes | boost::adaptors::transformed([&](TypePointer _t) -> string
{
solAssert(_t, "Parameter should have external type.");
return _t->signatureInExternalFunction(_structsByName);
});
return "(" + boost::algorithm::join(memberTypeStrings, ",") + ")";
}
}
string StructType::canonicalName() const
{
return m_struct.annotation().canonicalName;
}
FunctionTypePointer StructType::constructorType() const
@@ -1829,6 +1855,15 @@ u256 StructType::memoryOffsetOfMember(string const& _name) const
return 0;
}
TypePointers StructType::memoryMemberTypes() const
{
TypePointers types;
for (ASTPointer<VariableDeclaration> const& variable: m_struct.members())
if (variable->annotation().type->canLiveOutsideStorage())
types.push_back(variable->annotation().type);
return types;
}
set<string> StructType::membersMissingInMemory() const
{
set<string> missing;
@@ -1893,7 +1928,7 @@ string EnumType::toString(bool) const
return string("enum ") + m_enum.annotation().canonicalName;
}
string EnumType::canonicalName(bool) const
string EnumType::canonicalName() const
{
return m_enum.annotation().canonicalName;
}
@@ -2320,7 +2355,7 @@ TypePointer FunctionType::binaryOperatorResult(Token::Value _operator, TypePoint
return TypePointer();
}
string FunctionType::canonicalName(bool) const
string FunctionType::canonicalName() const
{
solAssert(m_kind == Kind::External, "");
return "function";
@@ -2580,20 +2615,19 @@ string FunctionType::externalSignature() const
solAssert(m_declaration != nullptr, "External signature of function needs declaration");
solAssert(!m_declaration->name().empty(), "Fallback function has no signature.");
bool _inLibrary = dynamic_cast<ContractDefinition const&>(*m_declaration->scope()).isLibrary();
string ret = m_declaration->name() + "(";
bool const inLibrary = dynamic_cast<ContractDefinition const&>(*m_declaration->scope()).isLibrary();
FunctionTypePointer external = interfaceFunctionType();
solAssert(!!external, "External function type requested.");
TypePointers externalParameterTypes = external->parameterTypes();
for (auto it = externalParameterTypes.cbegin(); it != externalParameterTypes.cend(); ++it)
auto parameterTypes = external->parameterTypes();
auto typeStrings = parameterTypes | boost::adaptors::transformed([&](TypePointer _t) -> string
{
solAssert(!!(*it), "Parameter should have external type");
ret += (*it)->canonicalName(_inLibrary) + (it + 1 == externalParameterTypes.cend() ? "" : ",");
}
return ret + ")";
solAssert(_t, "Parameter should have external type.");
string typeName = _t->signatureInExternalFunction(inLibrary);
if (inLibrary && _t->dataStoredIn(DataLocation::Storage))
typeName += " storage";
return typeName;
});
return m_declaration->name() + "(" + boost::algorithm::join(typeStrings, ",") + ")";
}
u256 FunctionType::externalIdentifier() const
@@ -2724,9 +2758,9 @@ string MappingType::toString(bool _short) const
return "mapping(" + keyType()->toString(_short) + " => " + valueType()->toString(_short) + ")";
}
string MappingType::canonicalName(bool) const
string MappingType::canonicalName() const
{
return "mapping(" + keyType()->canonicalName(false) + " => " + valueType()->canonicalName(false) + ")";
return "mapping(" + keyType()->canonicalName() + " => " + valueType()->canonicalName() + ")";
}
string TypeType::identifier() const
libsolidity/ast/Types.h
+19 -9
View File
@@ -245,9 +245,15 @@ public:
virtual std::string toString(bool _short) const = 0;
std::string toString() const { return toString(false); }
/// @returns the canonical name of this type for use in function signatures.
/// @param _addDataLocation if true, includes data location for reference types if it is "storage".
virtual std::string canonicalName(bool /*_addDataLocation*/) const { return toString(true); }
/// @returns the canonical name of this type for use in library function signatures.
virtual std::string canonicalName() const { return toString(true); }
/// @returns the signature of this type in external functions, i.e. `uint256` for integers
/// or `(uint256, bytes8)[2]` for an array of structs. If @a _structsByName,
/// structs are given by canonical name like `ContractName.StructName[2]`.
virtual std::string signatureInExternalFunction(bool /*_structsByName*/) const
{
return canonicalName();
}
virtual u256 literalValue(Literal const*) const
{
solAssert(false, "Literal value requested for type without literals.");
@@ -619,7 +625,8 @@ public:
virtual bool canLiveOutsideStorage() const override { return m_baseType->canLiveOutsideStorage(); }
virtual unsigned sizeOnStack() const override;
virtual std::string toString(bool _short) const override;
virtual std::string canonicalName(bool _addDataLocation) const override;
virtual std::string canonicalName() const override;
virtual std::string signatureInExternalFunction(bool _structsByName) const override;
virtual MemberList::MemberMap nativeMembers(ContractDefinition const* _currentScope) const override;
virtual TypePointer encodingType() const override;
virtual TypePointer decodingType() const override;
@@ -677,7 +684,7 @@ public:
virtual unsigned sizeOnStack() const override { return m_super ? 0 : 1; }
virtual bool isValueType() const override { return true; }
virtual std::string toString(bool _short) const override;
virtual std::string canonicalName(bool _addDataLocation) const override;
virtual std::string canonicalName() const override;
virtual MemberList::MemberMap nativeMembers(ContractDefinition const* _currentScope) const override;
virtual TypePointer encodingType() const override
@@ -744,7 +751,8 @@ public:
TypePointer copyForLocation(DataLocation _location, bool _isPointer) const override;
virtual std::string canonicalName(bool _addDataLocation) const override;
virtual std::string canonicalName() const override;
virtual std::string signatureInExternalFunction(bool _structsByName) const override;
/// @returns a function that peforms the type conversion between a list of struct members
/// and a memory struct of this type.
@@ -755,6 +763,8 @@ public:
StructDefinition const& structDefinition() const { return m_struct; }
/// @returns the vector of types of members available in memory.
TypePointers memoryMemberTypes() const;
/// @returns the set of all members that are removed in the memory version (typically mappings).
std::set<std::string> membersMissingInMemory() const;
@@ -784,7 +794,7 @@ public:
virtual unsigned storageBytes() const override;
virtual bool canLiveOutsideStorage() const override { return true; }
virtual std::string toString(bool _short) const override;
virtual std::string canonicalName(bool _addDataLocation) const override;
virtual std::string canonicalName() const override;
virtual bool isValueType() const override { return true; }
virtual bool isExplicitlyConvertibleTo(Type const& _convertTo) const override;
@@ -955,7 +965,7 @@ public:
virtual bool isExplicitlyConvertibleTo(Type const& _convertTo) const override;
virtual TypePointer unaryOperatorResult(Token::Value _operator) const override;
virtual TypePointer binaryOperatorResult(Token::Value, TypePointer const&) const override;
virtual std::string canonicalName(bool /*_addDataLocation*/) const override;
virtual std::string canonicalName() const override;
virtual std::string toString(bool _short) const override;
virtual unsigned calldataEncodedSize(bool _padded) const override;
virtual bool canBeStored() const override { return m_kind == Kind::Internal || m_kind == Kind::External; }
@@ -1057,7 +1067,7 @@ public:
virtual std::string identifier() const override;
virtual bool operator==(Type const& _other) const override;
virtual std::string toString(bool _short) const override;
virtual std::string canonicalName(bool _addDataLocation) const override;
virtual std::string canonicalName() const override;
virtual bool canLiveOutsideStorage() const override { return false; }
virtual TypePointer binaryOperatorResult(Token::Value, TypePointer const&) const override { return TypePointer(); }
virtual TypePointer encodingType() const override