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	Dynamic copy to memory.
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				| @ -207,15 +207,10 @@ void Compiler::appendReturnValuePacker(TypePointers const& _typeParameters) | ||||
| 
 | ||||
| 	for (TypePointer const& type: _typeParameters) | ||||
| 	{ | ||||
| 		unsigned numBytes = type->getCalldataEncodedSize(); | ||||
| 		if (numBytes > 32) | ||||
| 			BOOST_THROW_EXCEPTION(CompilerError() | ||||
| 								  << errinfo_comment("Type " + type->toString() + " not yet supported.")); | ||||
| 		CompilerUtils(m_context).copyToStackTop(stackDepth, *type); | ||||
| 		ExpressionCompiler::appendTypeConversion(m_context, *type, *type, true); | ||||
| 		bool const c_leftAligned = type->getCategory() == Type::Category::String; | ||||
| 		bool const c_padToWords = true; | ||||
| 		dataOffset += CompilerUtils(m_context).storeInMemory(dataOffset, numBytes, c_leftAligned, c_padToWords); | ||||
| 		dataOffset += CompilerUtils(m_context).storeInMemory(dataOffset, *type, c_padToWords); | ||||
| 		stackDepth -= type->getSizeOnStack(); | ||||
| 	} | ||||
| 	// note that the stack is not cleaned up here
 | ||||
|  | ||||
| @ -62,20 +62,22 @@ unsigned CompilerUtils::loadFromMemory(unsigned _offset, unsigned _bytes, bool _ | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| unsigned CompilerUtils::storeInMemory(unsigned _offset, unsigned _bytes, bool _leftAligned, | ||||
| 									  bool _padToWordBoundaries) | ||||
| unsigned CompilerUtils::storeInMemory(unsigned _offset, Type const& _type, bool _padToWordBoundaries) | ||||
| { | ||||
| 	if (_bytes == 0) | ||||
| 	unsigned numBytes = prepareMemoryStore(_type, _padToWordBoundaries); | ||||
| 	if (numBytes > 0) | ||||
| 		m_context << u256(_offset) << eth::Instruction::MSTORE; | ||||
| 	return numBytes; | ||||
| } | ||||
| 
 | ||||
| void CompilerUtils::storeInMemoryDynamic(Type const& _type, bool _padToWordBoundaries) | ||||
| { | ||||
| 	unsigned numBytes = prepareMemoryStore(_type, _padToWordBoundaries); | ||||
| 	if (numBytes > 0) | ||||
| 	{ | ||||
| 		m_context << eth::Instruction::POP; | ||||
| 		return 0; | ||||
| 		m_context << eth::Instruction::DUP2 << eth::Instruction::MSTORE; | ||||
| 		m_context << u256(numBytes) << eth::Instruction::ADD; | ||||
| 	} | ||||
| 	solAssert(_bytes <= 32, "Memory store of more than 32 bytes requested."); | ||||
| 	if (_bytes != 32 && !_leftAligned && !_padToWordBoundaries) | ||||
| 		// shift the value accordingly before storing
 | ||||
| 		m_context << (u256(1) << ((32 - _bytes) * 8)) << eth::Instruction::MUL; | ||||
| 	m_context << u256(_offset) << eth::Instruction::MSTORE; | ||||
| 	return _padToWordBoundaries ? 32 : _bytes; | ||||
| } | ||||
| 
 | ||||
| void CompilerUtils::moveToStackVariable(VariableDeclaration const& _variable) | ||||
| @ -114,5 +116,22 @@ unsigned CompilerUtils::getSizeOnStack(vector<shared_ptr<Type const>> const& _va | ||||
| 	return size; | ||||
| } | ||||
| 
 | ||||
| unsigned CompilerUtils::prepareMemoryStore(Type const& _type, bool _padToWordBoundaries) | ||||
| { | ||||
| 	unsigned _encodedSize = _type.getCalldataEncodedSize(); | ||||
| 	unsigned numBytes = _padToWordBoundaries ? getPaddedSize(_encodedSize) : _encodedSize; | ||||
| 	bool leftAligned = _type.getCategory() == Type::Category::String; | ||||
| 	if (numBytes == 0) | ||||
| 		m_context << eth::Instruction::POP; | ||||
| 	else | ||||
| 	{ | ||||
| 		solAssert(numBytes <= 32, "Memory store of more than 32 bytes requested."); | ||||
| 		if (numBytes != 32 && !leftAligned && !_padToWordBoundaries) | ||||
| 			// shift the value accordingly before storing
 | ||||
| 			m_context << (u256(1) << ((32 - numBytes) * 8)) << eth::Instruction::MUL; | ||||
| 	} | ||||
| 	return numBytes; | ||||
| } | ||||
| 
 | ||||
| } | ||||
| } | ||||
|  | ||||
| @ -47,13 +47,14 @@ public: | ||||
| 							bool _fromCalldata = false, bool _padToWordBoundaries = false); | ||||
| 	/// Stores data from stack in memory.
 | ||||
| 	/// @param _offset offset in memory
 | ||||
| 	/// @param _bytes number of bytes to store
 | ||||
| 	/// @param _leftAligned if true, data is left aligned on stack (otherwise right aligned)
 | ||||
| 	/// @param _type type of the data on the stack
 | ||||
| 	/// @param _padToWordBoundaries if true, pad the data to word (32 byte) boundaries
 | ||||
| 	/// @returns the number of bytes written to memory (can be different from _bytes if
 | ||||
| 	///          _padToWordBoundaries is true)
 | ||||
| 	unsigned storeInMemory(unsigned _offset, unsigned _bytes = 32, bool _leftAligned = false, | ||||
| 						   bool _padToWordBoundaries = false); | ||||
| 	unsigned storeInMemory(unsigned _offset, Type const& _type = IntegerType(256), bool _padToWordBoundaries = false); | ||||
| 	/// Dynamic version of @see storeInMemory, expects the memory offset below the value on the stack
 | ||||
| 	/// and also updates that.
 | ||||
| 	void storeInMemoryDynamic(Type const& _type, bool _padToWordBoundaries = true); | ||||
| 	/// @returns _size rounded up to the next multiple of 32 (the number of bytes occupied in the
 | ||||
| 	///          padded calldata)
 | ||||
| 	static unsigned getPaddedSize(unsigned _size) { return ((_size + 31) / 32) * 32; } | ||||
| @ -72,7 +73,10 @@ public: | ||||
| 	/// Bytes we need to the start of call data.
 | ||||
| 	///  - The size in bytes of the function (hash) identifier.
 | ||||
| 	static const unsigned int dataStartOffset; | ||||
| 
 | ||||
| private: | ||||
| 	unsigned prepareMemoryStore(Type const& _type, bool _padToWordBoundaries); | ||||
| 
 | ||||
| 	CompilerContext& m_context; | ||||
| }; | ||||
| 
 | ||||
|  | ||||
| @ -276,10 +276,10 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall) | ||||
| 			//@todo copy to memory position 0, shift as soon as we use memory
 | ||||
| 			m_context << u256(0) << eth::Instruction::CODECOPY; | ||||
| 
 | ||||
| 			unsigned length = bytecode.size(); | ||||
| 			length += appendArgumentsCopyToMemory(arguments, function.getParameterTypes(), length); | ||||
| 			m_context << u256(bytecode.size()); | ||||
| 			appendArgumentsCopyToMemory(arguments, function.getParameterTypes()); | ||||
| 			// size, offset, endowment
 | ||||
| 			m_context << u256(length) << u256(0); | ||||
| 			m_context << u256(0); | ||||
| 			if (function.valueSet()) | ||||
| 				m_context << eth::dupInstruction(3); | ||||
| 			else | ||||
| @ -329,8 +329,9 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall) | ||||
| 			break; | ||||
| 		case Location::SHA3: | ||||
| 		{ | ||||
| 			unsigned length = appendArgumentsCopyToMemory(arguments, TypePointers(), 0, function.padArguments()); | ||||
| 			m_context << u256(length) << u256(0) << eth::Instruction::SHA3; | ||||
| 			m_context << u256(0); | ||||
| 			appendArgumentsCopyToMemory(arguments, TypePointers(), function.padArguments()); | ||||
| 			m_context << u256(0) << eth::Instruction::SHA3; | ||||
| 			break; | ||||
| 		} | ||||
| 		case Location::Log0: | ||||
| @ -345,23 +346,16 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall) | ||||
| 				arguments[arg]->accept(*this); | ||||
| 				appendTypeConversion(*arguments[arg]->getType(), *function.getParameterTypes()[arg], true); | ||||
| 			} | ||||
| 			unsigned length = appendExpressionCopyToMemory(*function.getParameterTypes().front(), | ||||
| 														   *arguments.front()); | ||||
| 			solAssert(length == 32, "Log data should be 32 bytes long (for now)."); | ||||
| 			m_context << u256(length) << u256(0) << eth::logInstruction(logNumber); | ||||
| 			m_context << u256(0); | ||||
| 			appendExpressionCopyToMemory(*function.getParameterTypes().front(), *arguments.front()); | ||||
| 			m_context << u256(0) << eth::logInstruction(logNumber); | ||||
| 			break; | ||||
| 		} | ||||
| 		case Location::Event: | ||||
| 		{ | ||||
| 			_functionCall.getExpression().accept(*this); | ||||
| 			auto const& event = dynamic_cast<EventDefinition const&>(function.getDeclaration()); | ||||
| 			// Copy all non-indexed arguments to memory (data)
 | ||||
| 			unsigned numIndexed = 0; | ||||
| 			unsigned memLength = 0; | ||||
| 			for (unsigned arg = 0; arg < arguments.size(); ++arg) | ||||
| 				if (!event.getParameters()[arg]->isIndexed()) | ||||
| 					memLength += appendExpressionCopyToMemory(*function.getParameterTypes()[arg], | ||||
| 															  *arguments[arg], memLength); | ||||
| 			// All indexed arguments go to the stack
 | ||||
| 			for (unsigned arg = arguments.size(); arg > 0; --arg) | ||||
| 				if (event.getParameters()[arg - 1]->isIndexed()) | ||||
| @ -374,7 +368,12 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall) | ||||
| 			m_context << u256(h256::Arith(dev::sha3(function.getCanonicalSignature(event.getName())))); | ||||
| 			++numIndexed; | ||||
| 			solAssert(numIndexed <= 4, "Too many indexed arguments."); | ||||
| 			m_context << u256(memLength) << u256(0) << eth::logInstruction(numIndexed); | ||||
| 			// Copy all non-indexed arguments to memory (data)
 | ||||
| 			m_context << u256(0); | ||||
| 			for (unsigned arg = 0; arg < arguments.size(); ++arg) | ||||
| 				if (!event.getParameters()[arg]->isIndexed()) | ||||
| 					appendExpressionCopyToMemory(*function.getParameterTypes()[arg], *arguments[arg]); | ||||
| 			m_context << u256(0) << eth::logInstruction(numIndexed); | ||||
| 			break; | ||||
| 		} | ||||
| 		case Location::BlockHash: | ||||
| @ -514,12 +513,16 @@ bool ExpressionCompiler::visit(IndexAccess const& _indexAccess) | ||||
| { | ||||
| 	_indexAccess.getBaseExpression().accept(*this); | ||||
| 
 | ||||
| 	TypePointer const& keyType = dynamic_cast<MappingType const&>(*_indexAccess.getBaseExpression().getType()).getKeyType(); | ||||
| 	unsigned length = appendExpressionCopyToMemory(*keyType, _indexAccess.getIndexExpression()); | ||||
| 	solAssert(length == 32, "Mapping key has to take 32 bytes in memory (for now)."); | ||||
| 	// @todo move this once we actually use memory
 | ||||
| 	length += CompilerUtils(m_context).storeInMemory(length); | ||||
| 	m_context << u256(length) << u256(0) << eth::Instruction::SHA3; | ||||
| 	Type const& baseType = *_indexAccess.getBaseExpression().getType(); | ||||
| 	solAssert(baseType.getCategory() == Type::Category::Mapping, ""); | ||||
| 	Type const& keyType = *dynamic_cast<MappingType const&>(baseType).getKeyType(); | ||||
| 	m_context << u256(0); | ||||
| 	appendExpressionCopyToMemory(keyType, _indexAccess.getIndexExpression()); | ||||
| 	solAssert(baseType.getSizeOnStack() == 1, | ||||
| 			  "Unexpected: Not exactly one stack slot taken by subscriptable expression."); | ||||
| 	m_context << eth::Instruction::SWAP1; | ||||
| 	appendTypeMoveToMemory(IntegerType(256)); | ||||
| 	m_context << u256(0) << eth::Instruction::SHA3; | ||||
| 
 | ||||
| 	m_currentLValue = LValue(m_context, LValue::LValueType::Storage, *_indexAccess.getType()); | ||||
| 	m_currentLValue.retrieveValueIfLValueNotRequested(_indexAccess); | ||||
| @ -810,26 +813,30 @@ void ExpressionCompiler::appendExternalFunctionCall(FunctionType const& _functio | ||||
| 	unsigned gasStackPos = m_context.currentToBaseStackOffset(gasValueSize); | ||||
| 	unsigned valueStackPos = m_context.currentToBaseStackOffset(1); | ||||
| 
 | ||||
| 	if (!bare) | ||||
| 	{ | ||||
| 		// copy function identifier
 | ||||
| 		m_context << eth::dupInstruction(gasValueSize + 1); | ||||
| 		CompilerUtils(m_context).storeInMemory(0, CompilerUtils::dataStartOffset); | ||||
| 	} | ||||
| 
 | ||||
| 	// reserve space for the function identifier
 | ||||
| 	unsigned dataOffset = bare ? 0 : CompilerUtils::dataStartOffset; | ||||
| 	// For bare call, activate "4 byte pad exception": If the first argument has exactly 4 bytes,
 | ||||
| 	// do not pad it to 32 bytes.
 | ||||
| 	dataOffset += appendArgumentsCopyToMemory(_arguments, _functionType.getParameterTypes(), dataOffset, | ||||
| 											  _functionType.padArguments(), bare); | ||||
| 
 | ||||
| 	//@todo only return the first return value for now
 | ||||
| 	Type const* firstType = _functionType.getReturnParameterTypes().empty() ? nullptr : | ||||
| 							_functionType.getReturnParameterTypes().front().get(); | ||||
| 	unsigned retSize = firstType ? CompilerUtils::getPaddedSize(firstType->getCalldataEncodedSize()) : 0; | ||||
| 	// CALL arguments: outSize, outOff, inSize, inOff, value, addr, gas (stack top)
 | ||||
| 	m_context << u256(retSize) << u256(0) << u256(dataOffset) << u256(0); | ||||
| 	m_context << u256(retSize) << u256(0); | ||||
| 
 | ||||
| 	if (bare) | ||||
| 		m_context << u256(0); | ||||
| 	else | ||||
| 	{ | ||||
| 		// copy function identifier
 | ||||
| 		m_context << eth::dupInstruction(gasValueSize + 3); | ||||
| 		CompilerUtils(m_context).storeInMemory(0, IntegerType(CompilerUtils::dataStartOffset * 8)); | ||||
| 		m_context << u256(CompilerUtils::dataStartOffset); | ||||
| 	} | ||||
| 
 | ||||
| 	// For bare call, activate "4 byte pad exception": If the first argument has exactly 4 bytes,
 | ||||
| 	// do not pad it to 32 bytes.
 | ||||
| 	appendArgumentsCopyToMemory(_arguments, _functionType.getParameterTypes(), | ||||
| 								_functionType.padArguments(), bare); | ||||
| 
 | ||||
| 	// CALL arguments: outSize, outOff, inSize, (already present up to here)
 | ||||
| 	// inOff, value, addr, gas (stack top)
 | ||||
| 	m_context << u256(0); | ||||
| 	if (_functionType.valueSet()) | ||||
| 		m_context << eth::dupInstruction(m_context.baseToCurrentStackOffset(valueStackPos)); | ||||
| 	else | ||||
| @ -858,14 +865,12 @@ void ExpressionCompiler::appendExternalFunctionCall(FunctionType const& _functio | ||||
| 	} | ||||
| } | ||||
| 
 | ||||
| unsigned ExpressionCompiler::appendArgumentsCopyToMemory(vector<ASTPointer<Expression const>> const& _arguments, | ||||
| 														 TypePointers const& _types, | ||||
| 														 unsigned _memoryOffset, | ||||
| 														 bool _padToWordBoundaries, | ||||
| 														 bool _padExceptionIfFourBytes) | ||||
| void ExpressionCompiler::appendArgumentsCopyToMemory(vector<ASTPointer<Expression const>> const& _arguments, | ||||
| 													 TypePointers const& _types, | ||||
| 													 bool _padToWordBoundaries, | ||||
| 													 bool _padExceptionIfFourBytes) | ||||
| { | ||||
| 	solAssert(_types.empty() || _types.size() == _arguments.size(), ""); | ||||
| 	unsigned length = 0; | ||||
| 	for (size_t i = 0; i < _arguments.size(); ++i) | ||||
| 	{ | ||||
| 		_arguments[i]->accept(*this); | ||||
| @ -875,31 +880,55 @@ unsigned ExpressionCompiler::appendArgumentsCopyToMemory(vector<ASTPointer<Expre | ||||
| 		// Do not pad if the first argument has exactly four bytes
 | ||||
| 		if (i == 0 && pad && _padExceptionIfFourBytes && expectedType->getCalldataEncodedSize() == 4) | ||||
| 			pad = false; | ||||
| 		length += appendTypeMoveToMemory(*expectedType, _arguments[i]->getLocation(), | ||||
| 										 _memoryOffset + length, pad); | ||||
| 		appendTypeMoveToMemory(*expectedType, pad); | ||||
| 	} | ||||
| 	return length; | ||||
| } | ||||
| 
 | ||||
| unsigned ExpressionCompiler::appendTypeMoveToMemory(Type const& _type, Location const& _location, unsigned _memoryOffset, bool _padToWordBoundaries) | ||||
| void ExpressionCompiler::appendTypeMoveToMemory(Type const& _type, bool _padToWordBoundaries) | ||||
| { | ||||
| 	unsigned const c_encodedSize = _type.getCalldataEncodedSize(); | ||||
| 	unsigned const c_numBytes = _padToWordBoundaries ? CompilerUtils::getPaddedSize(c_encodedSize) : c_encodedSize; | ||||
| 	if (c_numBytes == 0 || c_numBytes > 32) | ||||
| 		BOOST_THROW_EXCEPTION(CompilerError() | ||||
| 							  << errinfo_sourceLocation(_location) | ||||
| 							  << errinfo_comment("Type " + _type.toString() + " not yet supported.")); | ||||
| 	bool const c_leftAligned = _type.getCategory() == Type::Category::String; | ||||
| 	return CompilerUtils(m_context).storeInMemory(_memoryOffset, c_numBytes, c_leftAligned, _padToWordBoundaries); | ||||
| 	if (_type.getCategory() == Type::Category::ByteArray) | ||||
| 	{ | ||||
| 		auto const& type = dynamic_cast<ByteArrayType const&>(_type); | ||||
| 		solAssert(type.getLocation() == ByteArrayType::Location::Storage, "Non-storage byte arrays not yet implemented."); | ||||
| 
 | ||||
| 		m_context << eth::Instruction::DUP1 << eth::Instruction::SLOAD; | ||||
| 		// stack here: memory_offset storage_offset length_bytes
 | ||||
| 		// jump to end if length is zero
 | ||||
| 		m_context << eth::Instruction::DUP1 << eth::Instruction::ISZERO; | ||||
| 		eth::AssemblyItem loopEnd = m_context.newTag(); | ||||
| 		m_context.appendConditionalJumpTo(loopEnd); | ||||
| 		// compute memory end offset
 | ||||
| 		m_context << eth::Instruction::DUP3 << eth::Instruction::ADD << eth::Instruction::SWAP2; | ||||
| 		// actual array data is stored at SHA3(storage_offset)
 | ||||
| 		m_context << eth::Instruction::SWAP1; | ||||
| 		CompilerUtils(m_context).storeInMemory(0); | ||||
| 		m_context << u256(32) << u256(0) << eth::Instruction::SHA3 | ||||
| 				  << eth::Instruction::SWAP1; | ||||
| 
 | ||||
| 		// stack here: memory_end_offset storage_data_offset memory_offset
 | ||||
| 		eth::AssemblyItem loopStart = m_context.newTag(); | ||||
| 		m_context << loopStart | ||||
| 				  // load and store
 | ||||
| 				  << eth::Instruction::DUP2 << eth::Instruction::SLOAD | ||||
| 				  << eth::Instruction::DUP2 << eth::Instruction::MSTORE | ||||
| 				  // increment storage_data_offset by 1
 | ||||
| 				  << eth::Instruction::SWAP1 << u256(1) << eth::Instruction::ADD | ||||
| 				  // increment memory offset by 32
 | ||||
| 				  << eth::Instruction::SWAP1 << u256(32) << eth::Instruction::ADD | ||||
| 				  // check for loop condition
 | ||||
| 				  << eth::Instruction::DUP1 << eth::Instruction::DUP4 << eth::Instruction::GT; | ||||
| 		m_context.appendConditionalJumpTo(loopStart); | ||||
| 		m_context << loopEnd << eth::Instruction::POP << eth::Instruction::POP; | ||||
| 	} | ||||
| 	else | ||||
| 		CompilerUtils(m_context).storeInMemoryDynamic(_type, _padToWordBoundaries); | ||||
| } | ||||
| 
 | ||||
| unsigned ExpressionCompiler::appendExpressionCopyToMemory(Type const& _expectedType, | ||||
| 														  Expression const& _expression, | ||||
| 														  unsigned _memoryOffset) | ||||
| void ExpressionCompiler::appendExpressionCopyToMemory(Type const& _expectedType, Expression const& _expression) | ||||
| { | ||||
| 	_expression.accept(*this); | ||||
| 	appendTypeConversion(*_expression.getType(), _expectedType, true); | ||||
| 	return appendTypeMoveToMemory(_expectedType, _expression.getLocation(), _memoryOffset); | ||||
| 	appendTypeMoveToMemory(_expectedType); | ||||
| } | ||||
| 
 | ||||
| void ExpressionCompiler::appendStateVariableAccessor(VariableDeclaration const& _varDecl) | ||||
| @ -910,7 +939,7 @@ void ExpressionCompiler::appendStateVariableAccessor(VariableDeclaration const& | ||||
| 	TypePointers const& paramTypes = accessorType.getParameterTypes(); | ||||
| 	// move arguments to memory
 | ||||
| 	for (TypePointer const& paramType: boost::adaptors::reverse(paramTypes)) | ||||
| 		length += appendTypeMoveToMemory(*paramType, Location(), length); | ||||
| 		length += CompilerUtils(m_context).storeInMemory(length, *paramType, true); | ||||
| 
 | ||||
| 	// retrieve the position of the variable
 | ||||
| 	m_context << m_context.getStorageLocationOfVariable(_varDecl); | ||||
| @ -1217,6 +1246,7 @@ void ExpressionCompiler::LValue::copyByteArrayToStorage(ByteArrayType const& _ta | ||||
| 		break; | ||||
| 	} | ||||
| 	case ByteArrayType::Location::Storage: | ||||
| 		solAssert(false, "Not Yet implemented."); | ||||
| 		break; | ||||
| 	default: | ||||
| 		solAssert(false, "Byte array location not implemented."); | ||||
|  | ||||
| @ -92,21 +92,18 @@ private: | ||||
| 	/// Appends code to call a function of the given type with the given arguments.
 | ||||
| 	void appendExternalFunctionCall(FunctionType const& _functionType, std::vector<ASTPointer<Expression const>> const& _arguments, | ||||
| 									bool bare = false); | ||||
| 	/// Appends code that evaluates the given arguments and moves the result to memory (with optional offset).
 | ||||
| 	/// @returns the number of bytes moved to memory
 | ||||
| 	unsigned appendArgumentsCopyToMemory(std::vector<ASTPointer<Expression const>> const& _arguments, | ||||
| 										 TypePointers const& _types = {}, | ||||
| 										 unsigned _memoryOffset = 0, | ||||
| 										 bool _padToWordBoundaries = true, | ||||
| 										 bool _padExceptionIfFourBytes = false); | ||||
| 	/// Appends code that moves a stack element of the given type to memory
 | ||||
| 	/// @returns the number of bytes moved to memory
 | ||||
| 	unsigned appendTypeMoveToMemory(Type const& _type, Location const& _location, unsigned _memoryOffset, | ||||
| 									bool _padToWordBoundaries = true); | ||||
| 	/// Appends code that evaluates a single expression and moves the result to memory (with optional offset).
 | ||||
| 	/// @returns the number of bytes moved to memory
 | ||||
| 	unsigned appendExpressionCopyToMemory(Type const& _expectedType, Expression const& _expression, | ||||
| 										  unsigned _memoryOffset = 0); | ||||
| 	/// Appends code that evaluates the given arguments and moves the result to memory. The memory offset is
 | ||||
| 	/// expected to be on the stack and is updated by this call.
 | ||||
| 	void appendArgumentsCopyToMemory(std::vector<ASTPointer<Expression const>> const& _arguments, | ||||
| 									 TypePointers const& _types = {}, | ||||
| 									 bool _padToWordBoundaries = true, | ||||
| 									 bool _padExceptionIfFourBytes = false); | ||||
| 	/// Appends code that moves a stack element of the given type to memory. The memory offset is
 | ||||
| 	/// expected below the stack element and is updated by this call.
 | ||||
| 	void appendTypeMoveToMemory(Type const& _type, bool _padToWordBoundaries = true); | ||||
| 	/// Appends code that evaluates a single expression and moves the result to memory. The memory offset is
 | ||||
| 	/// expected to be on the stack and is updated by this call.
 | ||||
| 	void appendExpressionCopyToMemory(Type const& _expectedType, Expression const& _expression); | ||||
| 
 | ||||
| 	/// Appends code for a State Variable accessor function
 | ||||
| 	void appendStateVariableAccessor(VariableDeclaration const& _varDecl); | ||||
|  | ||||
							
								
								
									
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								Types.cpp
									
									
									
									
									
								
							
							
						
						
									
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								Types.cpp
									
									
									
									
									
								
							| @ -35,7 +35,7 @@ namespace dev | ||||
| namespace solidity | ||||
| { | ||||
| 
 | ||||
| shared_ptr<Type const> Type::fromElementaryTypeName(Token::Value _typeToken) | ||||
| TypePointer Type::fromElementaryTypeName(Token::Value _typeToken) | ||||
| { | ||||
| 	solAssert(Token::isElementaryTypeName(_typeToken), "Elementary type name expected."); | ||||
| 
 | ||||
| @ -64,7 +64,12 @@ shared_ptr<Type const> Type::fromElementaryTypeName(Token::Value _typeToken) | ||||
| 																		 std::string(Token::toString(_typeToken)) + " to type.")); | ||||
| } | ||||
| 
 | ||||
| shared_ptr<Type const> Type::fromUserDefinedTypeName(UserDefinedTypeName const& _typeName) | ||||
| TypePointer Type::fromElementaryTypeName(string const& _name) | ||||
| { | ||||
| 	return fromElementaryTypeName(Token::fromIdentifierOrKeyword(_name)); | ||||
| } | ||||
| 
 | ||||
| TypePointer Type::fromUserDefinedTypeName(UserDefinedTypeName const& _typeName) | ||||
| { | ||||
| 	Declaration const* declaration = _typeName.getReferencedDeclaration(); | ||||
| 	if (StructDefinition const* structDef = dynamic_cast<StructDefinition const*>(declaration)) | ||||
| @ -73,21 +78,21 @@ shared_ptr<Type const> Type::fromUserDefinedTypeName(UserDefinedTypeName const& | ||||
| 		return make_shared<FunctionType>(*function); | ||||
| 	else if (ContractDefinition const* contract = dynamic_cast<ContractDefinition const*>(declaration)) | ||||
| 		return make_shared<ContractType>(*contract); | ||||
| 	return shared_ptr<Type const>(); | ||||
| 	return TypePointer(); | ||||
| } | ||||
| 
 | ||||
| shared_ptr<Type const> Type::fromMapping(Mapping const& _typeName) | ||||
| TypePointer Type::fromMapping(Mapping const& _typeName) | ||||
| { | ||||
| 	shared_ptr<Type const> keyType = _typeName.getKeyType().toType(); | ||||
| 	TypePointer keyType = _typeName.getKeyType().toType(); | ||||
| 	if (!keyType) | ||||
| 		BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Error resolving type name.")); | ||||
| 	shared_ptr<Type const> valueType = _typeName.getValueType().toType(); | ||||
| 	TypePointer valueType = _typeName.getValueType().toType(); | ||||
| 	if (!valueType) | ||||
| 		BOOST_THROW_EXCEPTION(_typeName.getValueType().createTypeError("Invalid type name")); | ||||
| 	return make_shared<MappingType>(keyType, valueType); | ||||
| } | ||||
| 
 | ||||
| shared_ptr<Type const> Type::forLiteral(Literal const& _literal) | ||||
| TypePointer Type::forLiteral(Literal const& _literal) | ||||
| { | ||||
| 	switch (_literal.getToken()) | ||||
| 	{ | ||||
| @ -561,8 +566,8 @@ MemberList const& ContractType::getMembers() const | ||||
| 	if (!m_members) | ||||
| 	{ | ||||
| 		// All address members and all interface functions
 | ||||
| 		map<string, shared_ptr<Type const>> members(IntegerType::AddressMemberList.begin(), | ||||
| 													IntegerType::AddressMemberList.end()); | ||||
| 		map<string, TypePointer> members(IntegerType::AddressMemberList.begin(), | ||||
| 										 IntegerType::AddressMemberList.end()); | ||||
| 		if (m_super) | ||||
| 		{ | ||||
| 			for (ContractDefinition const* base: m_contract.getLinearizedBaseContracts()) | ||||
| @ -617,14 +622,14 @@ bool StructType::operator==(Type const& _other) const | ||||
| u256 StructType::getStorageSize() const | ||||
| { | ||||
| 	u256 size = 0; | ||||
| 	for (pair<string, shared_ptr<Type const>> const& member: getMembers()) | ||||
| 	for (pair<string, TypePointer> const& member: getMembers()) | ||||
| 		size += member.second->getStorageSize(); | ||||
| 	return max<u256>(1, size); | ||||
| } | ||||
| 
 | ||||
| bool StructType::canLiveOutsideStorage() const | ||||
| { | ||||
| 	for (pair<string, shared_ptr<Type const>> const& member: getMembers()) | ||||
| 	for (pair<string, TypePointer> const& member: getMembers()) | ||||
| 		if (!member.second->canLiveOutsideStorage()) | ||||
| 			return false; | ||||
| 	return true; | ||||
| @ -640,7 +645,7 @@ MemberList const& StructType::getMembers() const | ||||
| 	// We need to lazy-initialize it because of recursive references.
 | ||||
| 	if (!m_members) | ||||
| 	{ | ||||
| 		map<string, shared_ptr<Type const>> members; | ||||
| 		map<string, TypePointer> members; | ||||
| 		for (ASTPointer<VariableDeclaration> const& variable: m_struct.getMembers()) | ||||
| 			members[variable->getName()] = variable->getType(); | ||||
| 		m_members.reset(new MemberList(members)); | ||||
| @ -847,7 +852,7 @@ TypePointers FunctionType::parseElementaryTypeVector(strings const& _types) | ||||
| 	TypePointers pointers; | ||||
| 	pointers.reserve(_types.size()); | ||||
| 	for (string const& type: _types) | ||||
| 		pointers.push_back(Type::fromElementaryTypeName(Token::fromIdentifierOrKeyword(type))); | ||||
| 		pointers.push_back(Type::fromElementaryTypeName(type)); | ||||
| 	return pointers; | ||||
| } | ||||
| 
 | ||||
|  | ||||
							
								
								
									
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							| @ -86,6 +86,7 @@ public: | ||||
| 	///@name Factory functions
 | ||||
| 	/// Factory functions that convert an AST @ref TypeName to a Type.
 | ||||
| 	static TypePointer fromElementaryTypeName(Token::Value _typeToken); | ||||
| 	static TypePointer fromElementaryTypeName(std::string const& _name); | ||||
| 	static TypePointer fromUserDefinedTypeName(UserDefinedTypeName const& _typeName); | ||||
| 	static TypePointer fromMapping(Mapping const& _typeName); | ||||
| 	static TypePointer fromFunction(FunctionDefinition const& _function); | ||||
|  | ||||
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