More DOM improvements (#1806)

* First try to handle names.

* Reworked names.

* Reworked range expressions.

* Handle AttributeNames.

* Added handling of file declaration and attribute declarations.

* Improved error outputs.

* Handle protected types.

* Make black happy with ugly code.

* Handle Null literal and File parameters.

* File type and physical type.

* Don't fail on reported syntax errors.
Catch call errors into libghdl.

* Improved Sanity checks for pyGHDL.dom.

* Load sourcecode via Python and process in-memory.
Fixed testcases.

* Added package instantiations and packages with generics.

* Added UseClause, AttributeSpecification and PhysicalTypes.

* Improved pretty-printing.

* Fixed AttributeName in subtype indication.

* Get code position of IIR nodes.

* Added DOMMixin into all derived classes.

* Mark as not yet implemented.

* Pinned pyVHDLModel version to v0.10.4.

* Removed xfail in LSP test.
Bumped requirement of pyVHDLModel to v0.10.4.
Fixed some Codacy issues.

(cherry picked from commit f64e7ed7c3d69cbf84cd60db8e9b085e90b846cb)

1 files changed, 12 insertions, 24 deletions

diff --git a/pyGHDL/dom/Misc.py b/pyGHDL/dom/Misc.py
index 8bea6cf61..b80c64a82 100644
--- a/pyGHDL/dom/Misc.py
+++ b/pyGHDL/dom/Misc.py
@@ -40,36 +40,24 @@ from pydecor import export
 from pyVHDLModel.VHDLModel import (
     Alias as VHDLModel_Alias,
 )
+from pyGHDL.libghdl._types import Iir
+from pyGHDL.dom._Utils import GetNameOfNode
+from pyGHDL.dom import DOMMixin
 
 
 __all__ = []
 
 
 @export
-class Position:
-    _filename: str
-    _line: int
-    _column: int
-
-    def __init__(self, filename: str, line: int, column: int):
-        self._filename = filename
-        self._line = line
-        self._column = column
-
-    @property
-    def Filename(self):
-        return self._filename
-
-    @property
-    def Line(self):
-        return self._line
+class Alias(VHDLModel_Alias, DOMMixin):
+    def __init__(self, node: Iir, aliasName: str):
+        super().__init__(aliasName)
+        DOMMixin.__init__(self, node)
 
-    @property
-    def Column(self):
-        return self._column
+    @classmethod
+    def parse(cls, node: Iir):
+        aliasName = GetNameOfNode(node)
 
+        # FIXME: add an implementation
 
-@export
-class Alias(VHDLModel_Alias):
-    def __init__(self, aliasName: str):
-        super().__init__(aliasName)
+        return cls(node, aliasName)