Fixed a bug in treefy() that tried to access vector oq before making sure it's not empty

11 years ago · d5b57012bd
1 changed files with 1 additions and 1 deletions
--- a/libserpent/parser.cpp
+++ b/libserpent/parser.cpp
@ -150,10 +150,10 @@ Node treefy(std::vector<Node> stream) {
        else if (typ == RPAREN) {
            std::vector<Node> args;
            while (1) {
+                if (!oq.size()) err("Bracket without matching", tok.metadata);
                if (toktype(oq.back()) == LPAREN) break;
                args.push_back(oq.back());
                oq.pop_back();
-                if (!oq.size()) err("Bracket without matching", tok.metadata);
            }
            oq.pop_back();
            args.push_back(oq.back());