1 files changed, 101 insertions, 0 deletions
diff --git a/pyGHDL/dom/Misc.py b/pyGHDL/dom/Misc.py
new file mode 100644
index 000000000..df1ab4cce
--- /dev/null
+++ b/pyGHDL/dom/Misc.py
@@ -0,0 +1,101 @@
+from pathlib import Path
+from typing  import Any
+
+from pydecor import export
+
+from pyVHDLModel.VHDLModel  import Design        as VHDLModel_Design
+from pyVHDLModel.VHDLModel  import Library       as VHDLModel_Library
+from pyVHDLModel.VHDLModel  import Document      as VHDLModel_Document
+
+import pyGHDL.libghdl       as libghdl
+from pyGHDL.libghdl         import name_table, files_map, errorout_memory
+from pyGHDL.libghdl.vhdl    import nodes, sem_lib
+
+from pyGHDL.dom.Common      import LibGHDLException, GHDLException
+from pyGHDL.dom.DesignUnit  import Entity, Architecture, Package, PackageBody, Context, Configuration
+
+__all__ = []
+__api__ = __all__
+
+
+@export
+class Design(VHDLModel_Design):
+	def __init__(self):
+		super().__init__()
+
+		self.__ghdl_init()
+
+	def __ghdl_init(self):
+		"""Initialization: set options and then load libraries"""
+
+		# Collect error messages in memory
+		errorout_memory.Install_Handler()
+
+		libghdl.set_option(b"--std=08")
+
+		# Finish initialization. This will load the standard package.
+		if libghdl.analyze_init_status() != 0:
+			raise LibGHDLException("Error initializing 'libghdl'.")
+
+@export
+class Library(VHDLModel_Library):
+	pass
+
+
+@export
+class Document(VHDLModel_Document):
+	__ghdlFileID:           Any
+	__ghdlSourceFileEntry:  Any
+	__ghdlFile:             Any
+
+	def __init__(self, path : Path = None, dontParse: bool = False):
+		super().__init__(path)
+
+		self.__ghdl_init()
+		if (dontParse == False):
+			self.parse()
+
+	def __ghdl_init(self):
+		# Read input file
+		self.__ghdlFileID = name_table.Get_Identifier(str(self.Path).encode("utf_8"))
+		self.__ghdlSourceFileEntry = files_map.Read_Source_File(name_table.Null_Identifier, self.__ghdlFileID)
+		if self.__ghdlSourceFileEntry == files_map.No_Source_File_Entry:
+			raise LibGHDLException("Cannot load file '{!s}'".format(self.Path))
+
+		# parse
+		self.__ghdlFile =  sem_lib.Load_File(self.__ghdlSourceFileEntry)
+
+	def parse(self):
+		unit = nodes.Get_First_Design_Unit(self.__ghdlFile)
+		while unit != nodes.Null_Iir:
+			libraryUnit = nodes.Get_Library_Unit(unit)
+			nodeKind = nodes.Get_Kind(libraryUnit)
+
+			if (nodeKind == nodes.Iir_Kind.Entity_Declaration):
+				entity = Entity.parse(libraryUnit)
+				self.Entities.append(entity)
+
+			elif (nodeKind == nodes.Iir_Kind.Architecture_Body):
+				architecture = Architecture.parse(libraryUnit)
+				self.Architectures.append(architecture)
+
+			elif (nodeKind == nodes.Iir_Kind.Package_Declaration):
+				package = Package.parse(libraryUnit)
+				self.Packages.append(package)
+
+			elif (nodeKind == nodes.Iir_Kind.Package_Body):
+				packageBody = PackageBody.parse(libraryUnit)
+				self.PackageBodies.append(packageBody)
+
+			elif (nodeKind == nodes.Iir_Kind.Context_Declaration):
+				context = Context.parse(libraryUnit)
+				self.Contexts.append(context)
+
+			elif (nodeKind == nodes.Iir_Kind.Configuration_Declaration):
+				configuration = Configuration.parse(libraryUnit)
+				self.Configurations.append(configuration)
+
+			else:
+				raise GHDLException("Unknown design unit kind.")
+
+			unit = nodes.Get_Chain(unit)