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Merge pull request #8574 from ethereum/immutableAssignAtDecl

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Properly handle assignments of immutables at declaration.
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chriseth 2020-04-02 10:38:16 +02:00 committed by GitHub
commit c8f0629e94
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4 changed files with 14 additions and 2 deletions
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2
libsolidity/codegen/ContractCompiler.cpp
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@ -550,7 +550,7 @@ void ContractCompiler::initializeStateVariables(ContractDefinition const& _contr
{
solAssert(!_contract.isLibrary(), "Tried to initialize state variables of library.");
for (VariableDeclaration const* variable: _contract.stateVariables())
if (variable->value() && !variable->isConstant() && !variable->immutable())
if (variable->value() && !variable->isConstant())
ExpressionCompiler(m_context, m_optimiserSettings.runOrderLiterals).appendStateVariableInitialization(*variable);
}

5
libsolidity/codegen/ExpressionCompiler.cpp
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@ -73,7 +73,10 @@ void ExpressionCompiler::appendStateVariableInitialization(VariableDeclaration c
utils().convertType(*type, *_varDecl.annotation().type);
type = _varDecl.annotation().type;
}
StorageItem(m_context, _varDecl).storeValue(*type, _varDecl.location(), true);
if (_varDecl.immutable())
ImmutableItem(m_context, _varDecl).storeValue(*type, _varDecl.location(), true);
else
StorageItem(m_context, _varDecl).storeValue(*type, _varDecl.location(), true);
}
void ExpressionCompiler::appendConstStateVariableAccessor(VariableDeclaration const& _varDecl)

1
libsolidity/codegen/LValue.cpp
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@ -183,6 +183,7 @@ void ImmutableItem::setToZero(SourceLocation const&, bool) const
StorageItem::StorageItem(CompilerContext& _compilerContext, VariableDeclaration const& _declaration):
StorageItem(_compilerContext, *_declaration.annotation().type)
{
solAssert(!_declaration.immutable(), "");
auto const& location = m_context.storageLocationOfVariable(_declaration);
m_context << location.first << u256(location.second);
}

8
test/libsolidity/semanticTests/immutable/assign_at_declaration.sol Normal file
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@ -0,0 +1,8 @@
contract A {
uint8 immutable a = 2;
function f() public view returns (uint) {
return a;
}
}
// ----
// f() -> 2