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Bytes type cleanup.

cl-refactor
Christian 10 years ago
parent
commit
11283fef7e
  1. 9
      libsolidity/CompilerUtils.cpp
  2. 12
      libsolidity/Types.cpp
  3. 10
      libsolidity/Types.h

9
libsolidity/CompilerUtils.cpp

@ -184,17 +184,14 @@ void CompilerUtils::copyByteArrayToStorage(ByteArrayType const& _targetType,
<< eth::Instruction::SWAP1;
// stack here: target_ref target_data_end target_data_ref
// store length (in bytes)
if (_sourceType.getOffset() == 0)
m_context << eth::Instruction::CALLDATASIZE;
else
m_context << _sourceType.getOffset() << eth::Instruction::CALLDATASIZE << eth::Instruction::SUB;
m_context << eth::Instruction::CALLDATASIZE;
m_context << eth::Instruction::DUP1 << eth::Instruction::DUP5 << eth::Instruction::SSTORE;
// jump to end if length is zero
m_context << eth::Instruction::ISZERO;
eth::AssemblyItem copyLoopEnd = m_context.newTag();
m_context.appendConditionalJumpTo(copyLoopEnd);
m_context << _sourceType.getOffset();
// store start offset
m_context << u256(0);
// stack now: target_ref target_data_end target_data_ref calldata_offset
eth::AssemblyItem copyLoopStart = m_context.newTag();
m_context << copyLoopStart

12
libsolidity/Types.cpp

@ -58,7 +58,7 @@ TypePointer Type::fromElementaryTypeName(Token::Value _typeToken)
else if (Token::String0 <= _typeToken && _typeToken <= Token::String32)
return make_shared<StaticStringType>(int(_typeToken) - int(Token::String0));
else if (_typeToken == Token::Bytes)
return make_shared<ByteArrayType>(ByteArrayType::Location::Storage, 0, 0, true);
return make_shared<ByteArrayType>(ByteArrayType::Location::Storage);
else
BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Unable to convert elementary typename " +
std::string(Token::toString(_typeToken)) + " to type."));
@ -515,12 +515,7 @@ TypePointer ContractType::unaryOperatorResult(Token::Value _operator) const
bool ByteArrayType::isImplicitlyConvertibleTo(const Type& _convertTo) const
{
if (*this == _convertTo)
return true;
if (_convertTo.getCategory() != Category::ByteArray)
return false;
auto const& other = dynamic_cast<ByteArrayType const&>(_convertTo);
return (m_dynamicLength == other.m_dynamicLength || m_length == other.m_length);
return _convertTo.getCategory() == getCategory();
}
TypePointer ByteArrayType::unaryOperatorResult(Token::Value _operator) const
@ -535,8 +530,7 @@ bool ByteArrayType::operator==(Type const& _other) const
if (_other.getCategory() != getCategory())
return false;
ByteArrayType const& other = dynamic_cast<ByteArrayType const&>(_other);
return other.m_location == m_location && other.m_dynamicLength == m_dynamicLength
&& other.m_length == m_length && other.m_offset == m_offset;
return other.m_location == m_location;
}
unsigned ByteArrayType::getSizeOnStack() const

10
libsolidity/Types.h

@ -286,9 +286,7 @@ public:
enum class Location { Storage, CallData, Memory };
virtual Category getCategory() const override { return Category::ByteArray; }
explicit ByteArrayType(Location _location, u256 const& _offset = 0, u256 const& _length = 0,
bool _dynamicLength = false):
m_location(_location), m_offset(_offset), m_length(_length), m_dynamicLength(_dynamicLength) {}
explicit ByteArrayType(Location _location): m_location(_location) {}
virtual bool isImplicitlyConvertibleTo(Type const& _convertTo) const override;
virtual TypePointer unaryOperatorResult(Token::Value _operator) const override;
virtual bool operator==(const Type& _other) const override;
@ -296,15 +294,9 @@ public:
virtual std::string toString() const override { return "bytes"; }
Location getLocation() const { return m_location; }
u256 const& getOffset() const { return m_offset; }
u256 const& getLength() const { return m_length; }
bool hasDynamicLength() const { return m_dynamicLength; }
private:
Location m_location;
u256 m_offset;
u256 m_length;
bool m_dynamicLength;
};
/**

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