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final changes to typechecker, the expression compiler, and a couple more tests for good measure

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This commit is contained in:
RJ Catalano
2016-01-11 14:25:59 -06:00
parent c7df6d0310
commit ac664e7f86
3 changed files with 57 additions and 23 deletions
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libsolidity/analysis/TypeChecker.cpp
+25 -15
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@@ -781,10 +781,12 @@ bool TypeChecker::visit(TupleExpression const& _tuple)
{
vector<ASTPointer<Expression>> const& components = _tuple.components();
TypePointers types;
TypePointer internalArrayType;
bool isArray = _tuple.isInlineArray();
TypePointer inlineArrayType;
if (_tuple.annotation().lValueRequested)
{
if (_tuple.isInlineArray())
fatalTypeError(_tuple.location(), "Inline array type cannot be declared as LValue.");
for (auto const& component: components)
if (component)
{
@@ -811,26 +813,34 @@ bool TypeChecker::visit(TupleExpression const& _tuple)
{
components[i]->accept(*this);
types.push_back(type(*components[i]));
if (i == 0 && isArray)
internalArrayType = types[i]->mobileType();
else if (isArray && internalArrayType && types[i]->mobileType())
internalArrayType = Type::commonType(internalArrayType, types[i]->mobileType());
if (_tuple.isInlineArray())
solAssert(!!types[i], "Inline array cannot have empty components");
if (i == 0 && _tuple.isInlineArray())
inlineArrayType = types[i]->mobileType();
else if (_tuple.isInlineArray() && inlineArrayType)
inlineArrayType = Type::commonType(inlineArrayType, types[i]->mobileType());
}
else
types.push_back(TypePointer());
}
if (components.size() == 1 && !isArray)
_tuple.annotation().type = type(*components[0]);
else if (!internalArrayType && isArray)
fatalTypeError(_tuple.location(), "Unable to deduce common type for array elements.");
else if (isArray)
_tuple.annotation().type = make_shared<ArrayType>(DataLocation::Memory, internalArrayType, types.size());
if (_tuple.isInlineArray())
{
if (!inlineArrayType)
fatalTypeError(_tuple.location(), "Unable to deduce common type for array elements.");
_tuple.annotation().type = make_shared<ArrayType>(DataLocation::Memory, inlineArrayType, types.size());
}
else
{
if (components.size() == 2 && !components[1])
types.pop_back();
_tuple.annotation().type = make_shared<TupleType>(types);
if (components.size() == 1)
_tuple.annotation().type = type(*components[0]);
else
{
if (components.size() == 2 && !components[1])
types.pop_back();
_tuple.annotation().type = make_shared<TupleType>(types);
}
}
}
return false;
}