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authorAlex Beregszaszi <alex@rtfs.hu>2017-07-02 18:21:34 +0800
committerAlex Beregszaszi <alex@rtfs.hu>2017-07-13 21:18:18 +0800
commit03abf792c5b5e462b0d8135bf6d02fbb7bf0fe5d (patch)
tree78e1576c690d66aa11f75bbc97903d6b2199b841 /libjulia/backends/evm
parentcee93d946d798a4076ab5df5f32c5687608defe8 (diff)
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Support variable declarations without an assignment in EVM
Diffstat (limited to 'libjulia/backends/evm')
-rw-r--r--libjulia/backends/evm/EVMCodeTransform.cpp15
1 files changed, 12 insertions, 3 deletions
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<Scope::Variable>(m_scope->identifiers.at(variable.name));