From 11283fef7e328887176e9bcc00b7206861a9dfa1 Mon Sep 17 00:00:00 2001 From: Christian Date: Thu, 12 Feb 2015 15:01:38 +0100 Subject: [PATCH] Bytes type cleanup. --- libsolidity/CompilerUtils.cpp | 9 +++------ libsolidity/Types.cpp | 12 +++--------- libsolidity/Types.h | 10 +--------- 3 files changed, 7 insertions(+), 24 deletions(-) diff --git a/libsolidity/CompilerUtils.cpp b/libsolidity/CompilerUtils.cpp index 192d66d5c..73be38176 100644 --- a/libsolidity/CompilerUtils.cpp +++ b/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 diff --git a/libsolidity/Types.cpp b/libsolidity/Types.cpp index f43a3ffe3..b1029ec6f 100644 --- a/libsolidity/Types.cpp +++ b/libsolidity/Types.cpp @@ -58,7 +58,7 @@ TypePointer Type::fromElementaryTypeName(Token::Value _typeToken) else if (Token::String0 <= _typeToken && _typeToken <= Token::String32) return make_shared(int(_typeToken) - int(Token::String0)); else if (_typeToken == Token::Bytes) - return make_shared(ByteArrayType::Location::Storage, 0, 0, true); + return make_shared(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(_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(_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 diff --git a/libsolidity/Types.h b/libsolidity/Types.h index 0270773fb..627bc76f0 100644 --- a/libsolidity/Types.h +++ b/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; }; /**