mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
121 lines
3.7 KiB
C++
121 lines
3.7 KiB
C++
/*
|
|
This file is part of solidity.
|
|
|
|
solidity is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
solidity is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with solidity. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
// SPDX-License-Identifier: GPL-3.0
|
|
|
|
#include <libsolidity/interface/StorageLayout.h>
|
|
|
|
#include <libsolidity/ast/TypeProvider.h>
|
|
|
|
using namespace std;
|
|
using namespace solidity;
|
|
using namespace solidity::frontend;
|
|
|
|
Json::Value StorageLayout::generate(ContractDefinition const& _contractDef)
|
|
{
|
|
solAssert(!m_contract, "");
|
|
m_contract = &_contractDef;
|
|
m_types.clear();
|
|
|
|
auto typeType = dynamic_cast<TypeType const*>(_contractDef.type());
|
|
solAssert(typeType, "");
|
|
auto contractType = dynamic_cast<ContractType const*>(typeType->actualType());
|
|
solAssert(contractType, "");
|
|
|
|
Json::Value variables(Json::arrayValue);
|
|
for (auto [var, slot, offset]: contractType->stateVariables())
|
|
variables.append(generate(*var, slot, offset));
|
|
|
|
Json::Value layout;
|
|
layout["storage"] = move(variables);
|
|
layout["types"] = move(m_types);
|
|
return layout;
|
|
}
|
|
|
|
Json::Value StorageLayout::generate(VariableDeclaration const& _var, u256 const& _slot, unsigned _offset)
|
|
{
|
|
Json::Value varEntry;
|
|
Type const* varType = _var.type();
|
|
|
|
varEntry["label"] = _var.name();
|
|
varEntry["astId"] = static_cast<int>(_var.id());
|
|
varEntry["contract"] = m_contract->fullyQualifiedName();
|
|
varEntry["slot"] = _slot.str();
|
|
varEntry["offset"] = _offset;
|
|
varEntry["type"] = typeKeyName(varType);
|
|
|
|
generate(varType);
|
|
|
|
return varEntry;
|
|
}
|
|
|
|
void StorageLayout::generate(Type const* _type)
|
|
{
|
|
if (m_types.isMember(typeKeyName(_type)))
|
|
return;
|
|
|
|
// Register it now to cut recursive visits.
|
|
Json::Value& typeInfo = m_types[typeKeyName(_type)];
|
|
typeInfo["label"] = _type->toString(true);
|
|
typeInfo["numberOfBytes"] = u256(_type->storageBytes() * _type->storageSize()).str();
|
|
|
|
if (auto structType = dynamic_cast<StructType const*>(_type))
|
|
{
|
|
Json::Value members(Json::arrayValue);
|
|
auto const& structDef = structType->structDefinition();
|
|
for (auto const& member: structDef.members())
|
|
{
|
|
auto const& offsets = structType->storageOffsetsOfMember(member->name());
|
|
members.append(generate(*member, offsets.first, offsets.second));
|
|
}
|
|
typeInfo["members"] = move(members);
|
|
typeInfo["encoding"] = "inplace";
|
|
}
|
|
else if (auto mappingType = dynamic_cast<MappingType const*>(_type))
|
|
{
|
|
typeInfo["key"] = typeKeyName(mappingType->keyType());
|
|
typeInfo["value"] = typeKeyName(mappingType->valueType());
|
|
generate(mappingType->keyType());
|
|
generate(mappingType->valueType());
|
|
typeInfo["encoding"] = "mapping";
|
|
}
|
|
else if (auto arrayType = dynamic_cast<ArrayType const*>(_type))
|
|
{
|
|
if (arrayType->isByteArray())
|
|
typeInfo["encoding"] = "bytes";
|
|
else
|
|
{
|
|
typeInfo["base"] = typeKeyName(arrayType->baseType());
|
|
generate(arrayType->baseType());
|
|
typeInfo["encoding"] = arrayType->isDynamicallySized() ? "dynamic_array" : "inplace";
|
|
}
|
|
}
|
|
else
|
|
{
|
|
solAssert(_type->isValueType(), "");
|
|
typeInfo["encoding"] = "inplace";
|
|
}
|
|
|
|
solAssert(typeInfo.isMember("encoding"), "");
|
|
}
|
|
|
|
string StorageLayout::typeKeyName(Type const* _type)
|
|
{
|
|
if (auto refType = dynamic_cast<ReferenceType const*>(_type))
|
|
return TypeProvider::withLocationIfReference(refType->location(), _type)->richIdentifier();
|
|
return _type->richIdentifier();
|
|
}
|