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Merge pull request #6008 from ethereum/smt_fix_abstract_assignment

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[SMTChecker] Assert type is not function when assigning
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chriseth 2019-02-18 14:54:20 +01:00 committed by GitHub
commit cb0ad2266c
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2 changed files with 25 additions and 1 deletions
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2
libsolidity/formal/SMTChecker.cpp
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@ -1371,7 +1371,7 @@ void SMTChecker::createExpr(Expression const& _e)
void SMTChecker::defineExpr(Expression const& _e, smt::Expression _value)
{
createExpr(_e);
solAssert(isSupportedType(*_e.annotation().type), "Equality operator applied to type that is not fully supported");
solAssert(smtKind(_e.annotation().type->category()) != smt::Kind::Function, "Equality operator applied to type that is not fully supported");
m_interface->addAssertion(expr(_e) == _value);
}

24
test/libsolidity/smtCheckerTests/types/struct_1.sol Normal file
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@ -0,0 +1,24 @@
pragma experimental SMTChecker;
contract C
{
struct S {
uint x;
}
mapping (uint => S) smap;
function f(uint y, uint v) public {
smap[y] = S(v);
S memory smem = S(v);
}
}
// ----
// Warning: (157-170): Unused local variable.
// Warning: (157-170): Assertion checker does not yet support the type of this variable.
// Warning: (139-146): Assertion checker does not yet implement this type.
// Warning: (149-153): Assertion checker does not yet implement this expression.
// Warning: (139-153): Assertion checker does not yet implement type struct C.S storage ref
// Warning: (173-177): Assertion checker does not yet implement this expression.
// Warning: (173-177): Internal error: Expression undefined for SMT solver.
// Warning: (173-177): Assertion checker does not yet implement this type.