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[Sol2Yul] Adding support for constructor with parameters

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This commit is contained in:
Djordje Mijovic
2020-03-27 01:19:11 +01:00
parent 4a7d2e590d
commit 89d5ecdd24
2 changed files with 35 additions and 3 deletions
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libsolidity/codegen/ir/IRGenerator.cpp
+20 -3
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@@ -259,11 +259,28 @@ string IRGenerator::constructorCode(ContractDefinition const& _contract)
if (constructor)
{
solUnimplementedAssert(constructor->parameters().empty(), "");
ABIFunctions abiFunctions(m_evmVersion, m_context.revertStrings(), m_context.functionCollector());
unsigned paramVars = make_shared<TupleType>(constructor->functionType(false)->parameterTypes())->sizeOnStack();
// TODO base constructors
Whiskers t(R"X(
let programSize := datasize("<object>")
let argSize := sub(codesize(), programSize)
out << m_context.functionName(*constructor) + "()\n";
let memoryDataOffset := <allocate>(argSize)
codecopy(memoryDataOffset, programSize, argSize)
<assignToParams> <abiDecode>(memoryDataOffset, add(memoryDataOffset, argSize))
<constructorName>(<params>)
)X");
t("object", creationObjectName(_contract));
t("allocate", m_utils.allocationFunction());
t("assignToParams", paramVars == 0 ? "" : "let " + suffixedVariableNameList("param_", 0, paramVars) + " := ");
t("params", suffixedVariableNameList("param_", 0, paramVars));
t("abiDecode", abiFunctions.tupleDecoder(constructor->functionType(false)->parameterTypes(), true));
t("constructorName", m_context.functionName(*constructor));
out << t.render();
}
return out.str();