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-rw-r--r--discocaml/draw_tree.ml16
1 files changed, 12 insertions, 4 deletions
diff --git a/discocaml/draw_tree.ml b/discocaml/draw_tree.ml
index 6ea4ff2..e04a59c 100644
--- a/discocaml/draw_tree.ml
+++ b/discocaml/draw_tree.ml
@@ -9,9 +9,9 @@ let add_node (fmt : Format.formatter) (i : expr index) (expr : expr) : unit =
i.index
| Int n -> Format.fprintf fmt " expr%d [label=\"%d\"];\n" i.index n
| Lam (_, _) -> Format.fprintf fmt " expr%d [label=\"λ\"];\n" i.index
- | Prim (`Add, _) -> Format.fprintf fmt " expr%d [label=\"+\"];\n" i.index
- | Prim (`Sub, _) -> Format.fprintf fmt " expr%d [label=\"-\"];\n" i.index
- | Prim (`Mul, _) -> Format.fprintf fmt " expr%d [label=\"*\"];\n" i.index
+ | Prim (Add, _) -> Format.fprintf fmt " expr%d [label=\"+\"];\n" i.index
+ | Prim (Sub, _) -> Format.fprintf fmt " expr%d [label=\"-\"];\n" i.index
+ | Prim (Mul, _) -> Format.fprintf fmt " expr%d [label=\"*\"];\n" i.index
| Var n -> Format.fprintf fmt " expr%d [label=%S];\n" i.index n
let add_expr_edges (ast : 'a ast) (fmt : Format.formatter)
@@ -31,7 +31,15 @@ let add_expr_edges (ast : 'a ast) (fmt : Format.formatter)
Format.fprintf fmt " expr%d -> expr%d_var;\n" i.index i.index;
Format.fprintf fmt " expr%d_var [label=%S];\n" i.index x;
edge_to b
- | Prim (_, xs) -> Array.iter edge_to xs
+ | Prim (Add, (l, r)) ->
+ edge_to l;
+ edge_to r
+ | Prim (Sub, (l, r)) ->
+ edge_to l;
+ edge_to r
+ | Prim (Mul, (l, r)) ->
+ edge_to l;
+ edge_to r
| Var _ -> ()
in
loop