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[SMTChecker] Replace constants by their value in-place

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This commit is contained in:
Leonardo Alt
2020-12-18 14:22:28 +01:00
parent 6b482d4b41
commit 034d1ab90f
2 changed files with 37 additions and 1 deletions
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libsolidity/formal/SMTEncoder.cpp
+20 -1
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@@ -932,7 +932,26 @@ void SMTEncoder::visitObjectCreation(FunctionCall const& _funCall)
void SMTEncoder::endVisit(Identifier const& _identifier)
{
if (auto decl = identifierToVariable(_identifier))
defineExpr(_identifier, currentValue(*decl));
{
if (decl->isConstant())
{
if (RationalNumberType const* rationalType = isConstant(_identifier))
{
if (rationalType->isNegative())
defineExpr(_identifier, smtutil::Expression(u2s(rationalType->literalValue(nullptr))));
else
defineExpr(_identifier, smtutil::Expression(rationalType->literalValue(nullptr)));
}
else
{
solAssert(decl->value(), "");
decl->value()->accept(*this);
defineExpr(_identifier, expr(*decl->value()));
}
}
else
defineExpr(_identifier, currentValue(*decl));
}
else if (_identifier.annotation().type->category() == Type::Category::Function)
visitFunctionIdentifier(_identifier);
else if (_identifier.name() == "now")