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Fix dependency analysis for refinement types #1094

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merged 1 commit into from
Aug 29, 2024
Merged

Fix dependency analysis for refinement types #1094

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2 changes: 1 addition & 1 deletion src/lustre/lustreAstDependencies.ml
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Original file line number Diff line number Diff line change
Expand Up @@ -303,7 +303,7 @@ let rec mk_graph_type: LA.lustre_type -> dependency_analysis_data = function
| History _ -> empty_dependency_analysis_data
| TArr (_, aty, rty) -> union_dependency_analysis_data (mk_graph_type aty) (mk_graph_type rty)
(* Circular dependencies in refinement type predicates are allowed *)
| RefinementType (_, (_, _, ty), _) -> mk_graph_type ty
| RefinementType (_, (_, _, ty), e) -> union_dependency_analysis_data (mk_graph_type ty) (mk_graph_expr e)
(** This graph is useful for analyzing top level constant and type declarations *)

and mk_graph_expr ?(only_modes = false)
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10 changes: 10 additions & 0 deletions tests/regression/success/ref_type_dep.lus
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@@ -0,0 +1,10 @@
type Pos = subrange [1,*] of int;

const N: Pos;

type I = subtype { i:int | i < N };

node M() returns (y: I);
let
y = N-1;
tel