From 86a96a70103d0bd34213467c957144b2d27ae77f Mon Sep 17 00:00:00 2001
From: Patrick Lehmann <Patrick.Lehmann@plc2.de>
Date: Tue, 27 Dec 2022 12:28:40 +0100
Subject: Implemented GetContextSymbol and fixed how ContextReferenceSymbols
 are created.

---
 pyGHDL/dom/DesignUnit.py |  8 +++-----
 pyGHDL/dom/_Utils.py     | 11 +++++++++++
 2 files changed, 14 insertions(+), 5 deletions(-)

(limited to 'pyGHDL')

diff --git a/pyGHDL/dom/DesignUnit.py b/pyGHDL/dom/DesignUnit.py
index 0b74940b2..8d9c677ad 100644
--- a/pyGHDL/dom/DesignUnit.py
+++ b/pyGHDL/dom/DesignUnit.py
@@ -69,7 +69,7 @@ from pyGHDL.libghdl import utils
 from pyGHDL.libghdl._types import Iir
 from pyGHDL.libghdl.vhdl import nodes
 from pyGHDL.dom import DOMMixin, Position, DOMException
-from pyGHDL.dom._Utils import GetNameOfNode, GetDocumentationOfNode, GetPackageMemberSymbol
+from pyGHDL.dom._Utils import GetNameOfNode, GetDocumentationOfNode, GetPackageMemberSymbol, GetContextSymbol
 from pyGHDL.dom._Translate import (
     GetGenericsFromChainedNodes,
     GetPortsFromChainedNodes,
@@ -110,11 +110,9 @@ class ContextReference(VHDLModel_ContextReference, DOMMixin):
 
     @classmethod
     def parse(cls, contextNode: Iir):
-        from pyGHDL.dom._Translate import GetNameFromNode
-
-        contexts = [ContextReferenceSymbol(GetNameFromNode(nodes.Get_Selected_Name(contextNode)))]
+        contexts = [GetContextSymbol(nodes.Get_Selected_Name(contextNode))]
         for context in utils.chain_iter(nodes.Get_Context_Reference_Chain(contextNode)):
-            contexts.append(ContextReferenceSymbol(GetNameFromNode(nodes.Get_Selected_Name(context))))
+            contexts.append(GetContextSymbol(nodes.Get_Selected_Name(context)))
 
         return cls(contextNode, contexts)
 
diff --git a/pyGHDL/dom/_Utils.py b/pyGHDL/dom/_Utils.py
index 1b9dd06fb..3803374f3 100644
--- a/pyGHDL/dom/_Utils.py
+++ b/pyGHDL/dom/_Utils.py
@@ -39,6 +39,7 @@ from pyGHDL.dom.Symbol import (
     PackageReferenceSymbol,
     PackageMembersReferenceSymbol,
     AllPackageMembersReferenceSymbol,
+    ContextReferenceSymbol,
 )
 from pyVHDLModel.SyntaxModel import Mode
 
@@ -166,6 +167,16 @@ def GetPackageSymbol(node: Iir) -> PackageReferenceSymbol:
         raise DOMException(f"{kind.name} at {Position.parse(node)}")
 
 
+def GetContextSymbol(node: Iir) -> ContextReferenceSymbol:
+    kind = GetIirKindOfNode(node)
+    if kind == nodes.Iir_Kind.Selected_Name:
+        name = GetNameOfNode(node)
+        prefixName = GetLibrarySymbol(nodes.Get_Prefix(node))
+        return ContextReferenceSymbol(node, name, prefixName)
+    else:
+        raise DOMException(f"{kind.name} at {Position.parse(node)}")
+
+
 def GetLibrarySymbol(node: Iir) -> LibraryReferenceSymbol:
     kind = GetIirKindOfNode(node)
     if kind == nodes.Iir_Kind.Simple_Name:
-- 
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