From 03abf792c5b5e462b0d8135bf6d02fbb7bf0fe5d Mon Sep 17 00:00:00 2001 From: Alex Beregszaszi Date: Sun, 2 Jul 2017 11:21:34 +0100 Subject: Support variable declarations without an assignment in EVM --- libjulia/backends/evm/EVMCodeTransform.cpp | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) (limited to 'libjulia/backends/evm') diff --git a/libjulia/backends/evm/EVMCodeTransform.cpp b/libjulia/backends/evm/EVMCodeTransform.cpp index efbe5647..a4967dbd 100644 --- a/libjulia/backends/evm/EVMCodeTransform.cpp +++ b/libjulia/backends/evm/EVMCodeTransform.cpp @@ -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(m_scope->identifiers.at(variable.name)); -- cgit v1.2.3