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-rw-r--r--src/psl/psl-nodes_priv.ads1
-rw-r--r--src/psl/psl-types.ads1
2 files changed, 2 insertions, 0 deletions
diff --git a/src/psl/psl-nodes_priv.ads b/src/psl/psl-nodes_priv.ads
index 5c0bf51d0..9927b8bde 100644
--- a/src/psl/psl-nodes_priv.ads
+++ b/src/psl/psl-nodes_priv.ads
@@ -20,6 +20,7 @@ with Types; use Types;
package PSL.Nodes_Priv is
-- PSL Node.
type PSL_Node is new Int32;
+ Null_PSL_Node : constant PSL_Node := 0;
-- PSL NFA
type PSL_NFA is new Int32;
diff --git a/src/psl/psl-types.ads b/src/psl/psl-types.ads
index e6e3c700a..24a9f9a80 100644
--- a/src/psl/psl-types.ads
+++ b/src/psl/psl-types.ads
@@ -22,6 +22,7 @@ package PSL.Types is
subtype PSL_Node is PSL.Nodes_Priv.PSL_Node;
function "=" (L, R : PSL_Node) return Boolean
renames PSL.Nodes_Priv."=";
+ Null_PSL_Node : constant PSL_Node := PSL.Nodes_Priv.Null_PSL_Node;
-- PSL NFA
subtype PSL_NFA is PSL.Nodes_Priv.PSL_NFA;