Graph.Dot_ast
AST for DOT file format.
type id =
| Ident of string
| Number of string
| String of string
| Html of string
type attr = (id * id option) list
type compass_pt =
| N
| Ne
| E
| Se
| S
| Sw
| W
| Nw
type port =
| PortId of id * compass_pt option
| PortC of compass_pt
type node_id = id * port option
type subgraph =
| SubgraphId of id
| SubgraphDef of id option * stmt list
and node =
| NodeId of node_id
| NodeSub of subgraph
and stmt =
| Node_stmt of node_id * attr list
| Edge_stmt of node * node list * attr list
| Attr_graph of attr list
| Attr_node of attr list
| Attr_edge of attr list
| Equal of id * id
| Subgraph of subgraph
type file = {
strict : bool;
digraph : bool;
id : id option;
stmts : stmt list;
}