# Java-Job: 111005
# Python-Job: 111006

# Includes all revisions
p: Project = input;

# Prepare output variables
relative_list: output mean[string] of float;

statement_counter := visitor {
    before node: Statement -> {
        if(node.kind == StatementKind.TRY or node.kind == StatementKind.WITH)
            relative_list[p.name] << 1;
        else
            relative_list[p.name] << 0;
    }
};

visit(p, visitor {
    before node: CodeRepository -> {
        snapshot := getsnapshot(node);
        foreach (i: int; def(snapshot[i]))
            visit(snapshot[i], statement_counter);
    }
});