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Add push() for dynamic storage arrays

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This commit is contained in:
Leonardo Alt
2019-09-17 13:47:33 +02:00
parent 5b3efee93b
commit 43d6e00b14
12 changed files with 250 additions and 47 deletions
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libsolidity/codegen/ExpressionCompiler.cpp
+58 -33
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@@ -842,41 +842,66 @@ bool ExpressionCompiler::visit(FunctionCall const& _functionCall)
case FunctionType::Kind::ArrayPush:
{
_functionCall.expression().accept(*this);
solAssert(function.parameterTypes().size() == 1, "");
solAssert(!!function.parameterTypes()[0], "");
TypePointer paramType = function.parameterTypes()[0];
ArrayType const* arrayType =
function.kind() == FunctionType::Kind::ArrayPush ?
TypeProvider::array(DataLocation::Storage, paramType) :
TypeProvider::array(DataLocation::Storage);
// stack: ArrayReference
arguments[0]->accept(*this);
TypePointer const& argType = arguments[0]->annotation().type;
// stack: ArrayReference argValue
utils().moveToStackTop(argType->sizeOnStack(), 1);
// stack: argValue ArrayReference
m_context << Instruction::DUP1;
ArrayUtils(m_context).incrementDynamicArraySize(*arrayType);
// stack: argValue ArrayReference newLength
m_context << Instruction::SWAP1;
// stack: argValue newLength ArrayReference
m_context << u256(1) << Instruction::DUP3 << Instruction::SUB;
// stack: argValue newLength ArrayReference (newLength-1)
ArrayUtils(m_context).accessIndex(*arrayType, false);
// stack: argValue newLength storageSlot slotOffset
utils().moveToStackTop(3, argType->sizeOnStack());
// stack: newLength storageSlot slotOffset argValue
TypePointer type = arguments[0]->annotation().type->closestTemporaryType(arrayType->baseType());
solAssert(type, "");
utils().convertType(*argType, *type);
utils().moveToStackTop(1 + type->sizeOnStack());
utils().moveToStackTop(1 + type->sizeOnStack());
// stack: newLength argValue storageSlot slotOffset
if (function.kind() == FunctionType::Kind::ArrayPush)
StorageItem(m_context, *paramType).storeValue(*type, _functionCall.location(), true);
if (function.parameterTypes().size() == 0)
{
auto paramType = function.returnParameterTypes().at(0);
solAssert(paramType, "");
ArrayType const* arrayType =
function.kind() == FunctionType::Kind::ArrayPush ?
TypeProvider::array(DataLocation::Storage, paramType) :
TypeProvider::bytesStorage();
// stack: ArrayReference
m_context << u256(1) << Instruction::DUP2;
ArrayUtils(m_context).incrementDynamicArraySize(*arrayType);
// stack: ArrayReference 1 newLength
m_context << Instruction::SUB;
// stack: ArrayReference (newLength-1)
ArrayUtils(m_context).accessIndex(*arrayType, false);
if (arrayType->isByteArray())
setLValue<StorageByteArrayElement>(_functionCall);
else
setLValueToStorageItem(_functionCall);
}
else
StorageByteArrayElement(m_context).storeValue(*type, _functionCall.location(), true);
{
solAssert(function.parameterTypes().size() == 1, "");
solAssert(!!function.parameterTypes()[0], "");
TypePointer paramType = function.parameterTypes()[0];
ArrayType const* arrayType =
function.kind() == FunctionType::Kind::ArrayPush ?
TypeProvider::array(DataLocation::Storage, paramType) :
TypeProvider::bytesStorage();
// stack: ArrayReference
arguments[0]->accept(*this);
TypePointer const& argType = arguments[0]->annotation().type;
// stack: ArrayReference argValue
utils().moveToStackTop(argType->sizeOnStack(), 1);
// stack: argValue ArrayReference
m_context << Instruction::DUP1;
ArrayUtils(m_context).incrementDynamicArraySize(*arrayType);
// stack: argValue ArrayReference newLength
m_context << u256(1) << Instruction::SWAP1 << Instruction::SUB;
// stack: argValue ArrayReference (newLength-1)
ArrayUtils(m_context).accessIndex(*arrayType, false);
// stack: argValue storageSlot slotOffset
utils().moveToStackTop(2, argType->sizeOnStack());
// stack: storageSlot slotOffset argValue
TypePointer type = arguments[0]->annotation().type->closestTemporaryType(arrayType->baseType());
solAssert(type, "");
utils().convertType(*argType, *type);
utils().moveToStackTop(1 + type->sizeOnStack());
utils().moveToStackTop(1 + type->sizeOnStack());
// stack: argValue storageSlot slotOffset
if (function.kind() == FunctionType::Kind::ArrayPush)
StorageItem(m_context, *paramType).storeValue(*type, _functionCall.location(), true);
else
StorageByteArrayElement(m_context).storeValue(*type, _functionCall.location(), true);
}
break;
}
case FunctionType::Kind::ArrayPop: