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Support variable declarations without an assignment in EVM

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This commit is contained in:
Alex Beregszaszi 2017-07-02 11:21:34 +01:00
parent cee93d946d
commit 03abf792c5
1 changed files with 12 additions and 3 deletions
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15
libjulia/backends/evm/EVMCodeTransform.cpp
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@ -37,10 +37,19 @@ void CodeTransform::operator()(VariableDeclaration const& _varDecl)
{
solAssert(m_scope, "");
int expectedItems = _varDecl.variables.size();
int const expectedItems = _varDecl.variables.size();
int height = m_assembly.stackHeight();
boost::apply_visitor(*this, *_varDecl.value);
expectDeposit(expectedItems, height);
if (_varDecl.value)
{
boost::apply_visitor(*this, *_varDecl.value);
expectDeposit(expectedItems, height);
}
else
{
int variablesLeft = expectedItems;
while (variablesLeft--)
m_assembly.appendConstant(u256(0));
}
for (auto const& variable: _varDecl.variables)
{
auto& var = boost::get<Scope::Variable>(m_scope->identifiers.at(variable.name));