Module Dot_ast

module Dot_ast: sig .. end
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
type node = 
| NodeId of node_id
| NodeSub of subgraph
type 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;
}