1 files changed, 0 insertions, 100 deletions
diff --git a/python/vhdl_langserver/references.py b/python/vhdl_langserver/references.py
deleted file mode 100644
index f716548eb..000000000
--- a/python/vhdl_langserver/references.py
+++ /dev/null
@@ -1,100 +0,0 @@
-import logging
-import libghdl.thin.vhdl.nodes as nodes
-import libghdl.thin.vhdl.nodes_meta as nodes_meta
-import libghdl.thin.vhdl.pyutils as pyutils
-import libghdl.thin.name_table as name_table
-
-log = logging.getLogger(__name__)
-
-
-def find_def_chain(first, loc):
-    n1 = first
-    while n1 != nodes.Null_Iir:
-        res = find_def(n1, loc)
-        if res is not None:
-            return res
-        n1 = nodes.Get_Chain(n1)
-    return None
-
-
-def find_def(n, loc):
-    "Return the node at location :param loc:, or None if not under :param n:"
-    if n == nodes.Null_Iir:
-        return None
-    k = nodes.Get_Kind(n)
-    if k in [
-        nodes.Iir_Kind.Simple_Name,
-        nodes.Iir_Kind.Character_Literal,
-        nodes.Iir_Kind.Operator_Symbol,
-        nodes.Iir_Kind.Selected_Name,
-        nodes.Iir_Kind.Attribute_Name,
-        nodes.Iir_Kind.Selected_Element,
-    ]:
-        n_loc = nodes.Get_Location(n)
-        if loc >= n_loc:
-            ident = nodes.Get_Identifier(n)
-            id_len = name_table.Get_Name_Length(ident)
-            if loc < n_loc + id_len:
-                return n
-        if k == nodes.Iir_Kind.Simple_Name:
-            return None
-    elif k == nodes.Iir_Kind.Design_File:
-        return find_def_chain(nodes.Get_First_Design_Unit(n), loc)
-    elif k == nodes.Iir_Kind.Design_Unit:
-        # if loc > elocations.Get_End_Location(unit):
-        #    return None
-        res = find_def_chain(nodes.Get_Context_Items(n), loc)
-        if res is not None:
-            return res
-        unit = nodes.Get_Library_Unit(n)
-        return find_def(unit, loc)
-
-    # This is *much* faster than using node_iter!
-    for f in pyutils.fields_iter(n):
-        typ = nodes_meta.get_field_type(f)
-        if typ == nodes_meta.types.Iir:
-            attr = nodes_meta.get_field_attribute(f)
-            if attr == nodes_meta.Attr.ANone:
-                res = find_def(nodes_meta.Get_Iir(n, f), loc)
-                if res is not None:
-                    return res
-            elif attr == nodes_meta.Attr.Chain:
-                res = find_def_chain(nodes_meta.Get_Iir(n, f), loc)
-                if res is not None:
-                    return res
-            elif attr == nodes_meta.Attr.Maybe_Ref:
-                if not nodes.Get_Is_Ref(n, f):
-                    res = find_def(nodes_meta.Get_Iir(n, f), loc)
-                    if res is not None:
-                        return res
-        elif typ == nodes_meta.types.Iir_List:
-            attr = nodes_meta.get_field_attribute(f)
-            if attr == nodes_meta.Attr.ANone:
-                for n1 in pyutils.list_iter(nodes_meta.Get_Iir_List(n, f)):
-                    res = find_def(n1, loc)
-                    if res is not None:
-                        return res
-        elif typ == nodes_meta.types.Iir_Flist:
-            attr = nodes_meta.get_field_attribute(f)
-            if attr == nodes_meta.Attr.ANone:
-                for n1 in pyutils.flist_iter(nodes_meta.Get_Iir_Flist(n, f)):
-                    res = find_def(n1, loc)
-                    if res is not None:
-                        return res
-
-    return None
-
-
-def goto_definition(n, loc):
-    "Return the declaration (as a node) under :param loc: or None"
-    ref = find_def(n, loc)
-    log.debug("for loc %u found node %s", loc, ref)
-    if ref is None:
-        return None
-    log.debug(
-        "for loc %u id=%s",
-        loc,
-        name_table.Get_Name_Ptr(nodes.Get_Identifier(ref)).decode("utf-8"),
-    )
-    ent = nodes.Get_Named_Entity(ref)
-    return None if ent == nodes.Null_Iir else ent