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Zero initialize memory arrays

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This commit is contained in:
Leonardo Alt
2020-04-02 15:55:18 +02:00
parent 8d28089abc
commit 39ff0deb05
22 changed files with 475 additions and 35 deletions
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libsolidity/codegen/ir/IRGenerator.cpp
+13
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@@ -133,6 +133,7 @@ string IRGenerator::generateFunction(FunctionDefinition const& _function)
return m_context.functionCollector().createFunction(functionName, [&]() {
Whiskers t(R"(
function <functionName>(<params>) <returns> {
<initReturnVariables>
<body>
}
)");
@@ -142,9 +143,14 @@ string IRGenerator::generateFunction(FunctionDefinition const& _function)
params += (params.empty() ? "" : ", ") + m_context.addLocalVariable(*varDecl).commaSeparatedList();
t("params", params);
string retParams;
string retInit;
for (auto const& varDecl: _function.returnParameters())
{
retParams += (retParams.empty() ? "" : ", ") + m_context.addLocalVariable(*varDecl).commaSeparatedList();
retInit += generateInitialAssignment(*varDecl);
}
t("returns", retParams.empty() ? "" : " -> " + retParams);
t("initReturnVariables", retInit);
t("body", generate(_function.body()));
return t.render();
});
@@ -226,6 +232,13 @@ string IRGenerator::generateGetter(VariableDeclaration const& _varDecl)
}
}
string IRGenerator::generateInitialAssignment(VariableDeclaration const& _varDecl)
{
IRGeneratorForStatements generator(m_context, m_utils);
generator.initializeLocalVar(_varDecl);
return generator.code();
}
string IRGenerator::constructorCode(ContractDefinition const& _contract)
{
// Initialization of state variables in base-to-derived order.