diff options
Diffstat (limited to 'src/state.cc')
-rw-r--r-- | src/state.cc | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/state.cc b/src/state.cc index a70f211..d539e7b 100644 --- a/src/state.cc +++ b/src/state.cc @@ -159,11 +159,12 @@ bool State::AddDefault(StringPiece path, string* err) { return true; } -vector<Node*> State::RootNodes(string* err) { +vector<Node*> State::RootNodes(string* err) const { vector<Node*> root_nodes; // Search for nodes with no output. - for (vector<Edge*>::iterator e = edges_.begin(); e != edges_.end(); ++e) { - for (vector<Node*>::iterator out = (*e)->outputs_.begin(); + for (vector<Edge*>::const_iterator e = edges_.begin(); + e != edges_.end(); ++e) { + for (vector<Node*>::const_iterator out = (*e)->outputs_.begin(); out != (*e)->outputs_.end(); ++out) { if ((*out)->out_edges().empty()) root_nodes.push_back(*out); @@ -176,7 +177,7 @@ vector<Node*> State::RootNodes(string* err) { return root_nodes; } -vector<Node*> State::DefaultNodes(string* err) { +vector<Node*> State::DefaultNodes(string* err) const { return defaults_.empty() ? RootNodes(err) : defaults_; } |