cerc-io/solidity
10
0
Fork 0
mirror of https://github.com/ethereum/solidity synced 2023-10-03 13:03:40 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Support some xor.

Browse Source
This commit is contained in:
chriseth 2022-05-30 18:17:16 +02:00
parent 973442c206
commit faa3a242ee
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
libsolutil/BooleanLP.cpp
View File

@ -318,6 +318,12 @@ void BooleanLPSolver::addAssertion(Expression const& _expr, map<string, LetBindi
literals.emplace_back(parseLiteralOrReturnEqualBoolean(arg, _letBindings)); literals.emplace_back(parseLiteralOrReturnEqualBoolean(arg, _letBindings));
state().clauses.emplace_back(Clause{move(literals)}); state().clauses.emplace_back(Clause{move(literals)});
} }
else if (_expr.name == "xor")
{
solAssert(_expr.arguments.size() == 2);
addAssertion(_expr.arguments.at(0) || _expr.arguments.at(1));
addAssertion(!_expr.arguments.at(0) || !_expr.arguments.at(1));
}
else if (_expr.name == "not") else if (_expr.name == "not")
{ {
solAssert(_expr.arguments.size() == 1); solAssert(_expr.arguments.size() == 1);