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Accessors for multiple mappings implemented

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This commit is contained in:
Lefteris Karapetsas 2015-02-02 17:52:50 +01:00
parent 5a374afe62
commit 8cd3d4b4b7
2 changed files with 33 additions and 34 deletions
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45
ExpressionCompiler.cpp
View File

@ -22,6 +22,7 @@
#include <utility>
#include <numeric>
#include <boost/range/adaptor/reversed.hpp>
#include <libdevcore/Common.h>
#include <libdevcrypto/SHA3.h>
#include <libsolidity/AST.h>
@ -847,36 +848,34 @@ unsigned ExpressionCompiler::appendExpressionCopyToMemory(Type const& _expectedT
void ExpressionCompiler::appendStateVariableAccessor(VariableDeclaration const& _varDecl)
{
TypePointer resultType = _varDecl.getType();
auto mappingType = dynamic_cast<const MappingType*>(resultType.get());
FunctionType thisType(_varDecl);
solAssert(thisType.getReturnParameterTypes().size() == 1, "");
TypePointer const& resultType = thisType.getReturnParameterTypes().front();
unsigned sizeOnStack;
if (mappingType != nullptr)
{
// this copies from ExpressionCompiler::visit(IndexAccess .. ) for mapping access
TypePointer const& keyType = mappingType->getKeyType();
unsigned length = appendTypeConversionAndMoveToMemory(*keyType, *keyType, Location());
solAssert(length == 32, "Mapping key has to take 32 bytes in memory (for now).");
// @todo move this once we actually use memory
m_context << m_context.getStorageLocationOfVariable(_varDecl);
length += CompilerUtils(m_context).storeInMemory(length);
m_context << u256(length) << u256(0) << eth::Instruction::SHA3;
m_currentLValue = LValue(m_context, LValue::STORAGE, *mappingType->getValueType());
m_currentLValue.retrieveValue(mappingType->getValueType(), Location(), true);
m_currentLValue.reset();
unsigned length = 0;
TypePointers const& params = thisType.getParameterTypes();
// move arguments to memory
for (TypePointer const& param: boost::adaptors::reverse(params))
length += appendTypeConversionAndMoveToMemory(*param, *param, Location(), length);
resultType = mappingType->getValueType();
}
else
// retrieve the position of the mapping
m_context << m_context.getStorageLocationOfVariable(_varDecl);
for (TypePointer const& param: params)
{
m_currentLValue.fromStateVariable(_varDecl, _varDecl.getType());
solAssert(m_currentLValue.isInStorage(), "");
m_currentLValue.retrieveValue(_varDecl.getType(), Location(), true);
// move offset to memory
CompilerUtils(m_context).storeInMemory(length);
unsigned argLen = CompilerUtils::getPaddedSize(param->getCalldataEncodedSize());
length -= argLen;
m_context << u256(argLen + 32) << u256(length) << eth::Instruction::SHA3;
}
sizeOnStack = _varDecl.getType()->getSizeOnStack();
m_currentLValue = LValue(m_context, LValue::STORAGE, *resultType);
m_currentLValue.retrieveValue(resultType, Location(), true);
sizeOnStack = resultType->getSizeOnStack();
solAssert(sizeOnStack <= 15, "Stack too deep.");
m_context << eth::dupInstruction(sizeOnStack + 1) << eth::Instruction::JUMP;
}
ExpressionCompiler::LValue::LValue(CompilerContext& _compilerContext, LValueType _type, Type const& _dataType,

22
Types.cpp
View File

@ -626,20 +626,20 @@ FunctionType::FunctionType(VariableDeclaration const& _varDecl):
TypePointers retParams;
vector<string> retParamNames;
TypePointer varDeclType = _varDecl.getType();
auto mappingType = dynamic_cast<const MappingType*>(varDeclType.get());
if (mappingType!= nullptr)
auto mappingType = dynamic_cast<MappingType const*>(varDeclType.get());
auto returnType = varDeclType;
while (mappingType!= nullptr)
{
params.push_back(mappingType->getKeyType());
paramNames.push_back(mappingType->getKeyType()->toString());
paramNames.push_back("");
returnType = mappingType->getValueType();
mappingType = dynamic_cast<MappingType const*>(mappingType->getValueType().get());
}
retParams.push_back(returnType);
retParamNames.push_back("");
retParams.push_back(mappingType->getValueType());
retParamNames.push_back(mappingType->getValueType()->toString());
}
else // elelemntary type
{
retParams.push_back(varDeclType);
retParamNames.push_back(_varDecl.getName());
}
swap(params, m_parameterTypes);
swap(paramNames, m_parameterNames);
swap(retParams, m_returnParameterTypes);