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Extract symbolicArguments function

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This commit is contained in:
Leonardo Alt
2020-02-12 11:47:58 -03:00
parent 6451a4d2a0
commit 34d64761d9
3 changed files with 34 additions and 20 deletions
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libsolidity/formal/SMTEncoder.cpp
+28
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@@ -1682,3 +1682,31 @@ void SMTEncoder::createReturnedExpressions(FunctionCall const& _funCall)
else if (returnParams.size() == 1)
defineExpr(_funCall, currentValue(*returnParams.front()));
}
vector<smt::Expression> SMTEncoder::symbolicArguments(FunctionCall const& _funCall)
{
auto const* function = functionCallToDefinition(_funCall);
solAssert(function, "");
vector<smt::Expression> args;
Expression const* calledExpr = &_funCall.expression();
auto const& funType = dynamic_cast<FunctionType const*>(calledExpr->annotation().type);
solAssert(funType, "");
auto const& functionParams = function->parameters();
auto const& arguments = _funCall.arguments();
unsigned firstParam = 0;
if (funType->bound())
{
auto const& boundFunction = dynamic_cast<MemberAccess const*>(calledExpr);
solAssert(boundFunction, "");
args.push_back(expr(boundFunction->expression(), functionParams.front()->type()));
firstParam = 1;
}
solAssert((arguments.size() + firstParam) == functionParams.size(), "");
for (unsigned i = 0; i < arguments.size(); ++i)
args.push_back(expr(*arguments.at(i), functionParams.at(i + firstParam)->type()));
return args;
}