1 files changed, 38 insertions, 0 deletions
diff --git a/pyGHDL/dom/_Utils.py b/pyGHDL/dom/_Utils.py
new file mode 100644
index 000000000..f0c838517
--- /dev/null
+++ b/pyGHDL/dom/_Utils.py
@@ -0,0 +1,38 @@
+from pydecor import export
+
+from pyVHDLModel.VHDLModel import  Mode
+
+from pyGHDL.libghdl      import LibGHDLException, name_table
+from pyGHDL.libghdl.vhdl import nodes
+
+
+__all__ = []
+
+__MODE_TRANSLATION = {
+    nodes.Iir_Mode.In_Mode:      Mode.In,
+    nodes.Iir_Mode.Out_Mode:     Mode.Out,
+    nodes.Iir_Mode.Inout_Mode:   Mode.InOut,
+    nodes.Iir_Mode.Buffer_Mode:  Mode.Buffer,
+    nodes.Iir_Mode.Linkage_Mode: Mode.Linkage
+}
+
+@export
+def GetIirKindOfNode(node) -> nodes.Iir_Kind:
+    kind: int = nodes.Get_Kind(node)
+    return nodes.Iir_Kind(kind)
+
+
+@export
+def NodeToName(node) -> str:
+    """Return the python string from node :obj:`node` identifier"""
+    identifier = nodes.Get_Identifier(node)
+    return name_table.Get_Name_Ptr(identifier)
+
+
+@export
+def GetModeOfNode(node) -> Mode:
+    """Return the mode of a :obj:`port`."""
+    try:
+        return __MODE_TRANSLATION[nodes.Get_Mode(node)]
+    except KeyError:
+        raise LibGHDLException("Unknown mode.")