from pathlib import Path from unittest import TestCase import pyGHDL.libghdl as libghdl from pyGHDL.libghdl import name_table, files_map, errorout_console from pyGHDL.libghdl.vhdl import nodes, sem_lib if __name__ == "__main__": print("ERROR: you called a testcase declaration file as an executable module.") print("Use: 'python -m unitest '") exit(1) class Instantiate(TestCase): _root = Path(__file__).resolve().parent.parent _filename : Path = _root / "SimpleEntity.vhdl" @staticmethod def getIdentifier(node): """Return the Python string from node :obj:`node` identifier""" return name_table.Get_Name_Ptr(nodes.Get_Identifier(node)) def test_InitializeGHDL(self) -> None: """Initialization: set options and then load libaries""" libghdl.initialize() # Print error messages on the console. errorout_console.Install_Handler() # Set options. This must be done before analyze_init() libghdl.set_option("--std=08") # Finish initialization. This will load the standard package. if libghdl.analyze_init_status() != 0: self.fail("libghdl initialization error") # Load the file file_id = name_table.Get_Identifier(str(self._filename)) sfe = files_map.Read_Source_File(name_table.Null_Identifier, file_id) if sfe == files_map.No_Source_File_Entry: self.fail("Cannot read file '{!s}'".format(self._filename)) # Parse file = sem_lib.Load_File(sfe) # Display all design units designUnit = nodes.Get_First_Design_Unit(file) while designUnit != nodes.Null_Iir: libraryUnit = nodes.Get_Library_Unit(designUnit) if nodes.Get_Kind(libraryUnit) == nodes.Iir_Kind.Entity_Declaration: entityName = self.getIdentifier(libraryUnit) self.assertEqual(entityName, "e1", "expected entity name 'e1', got '{}'".format(entityName)) elif nodes.Get_Kind(libraryUnit) == nodes.Iir_Kind.Architecture_Body: architectureName = self.getIdentifier(libraryUnit) self.assertEqual(architectureName, "behav", "expected architecture name 'behav', got '{}'".format(architectureName)) else: self.fail("Unknown unit.") designUnit = nodes.Get_Chain(designUnit)