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from pathlib import Path
from unittest import TestCase, skip, expectedFailure
import pyGHDL.libghdl as libghdl
from pyGHDL.libghdl import name_table, files_map, errorout_console, flags
from pyGHDL.libghdl import file_comments
from pyGHDL.libghdl.vhdl import nodes, sem_lib
if __name__ == "__main__":
print("Use: 'python -m unitest <testcase module>'")
exit(1)
class Instantiate(TestCase):
_root = Path(__file__).resolve().parent
@staticmethod
def getIdentifier(node) -> str:
"""Return the Python string from node :obj:`node` identifier."""
return name_table.Get_Name_Ptr(nodes.Get_Identifier(node))
@classmethod
def setUpClass(cls):
libghdl.initialize()
# Print error messages on the console.
errorout_console.Install_Handler()
# Set options. This must be done before analyze_init()
flags.Flag_Gather_Comments.value = True
libghdl.set_option("--std=08")
# Finish initialization. This will load the standard package.
if libghdl.analyze_init_status() != 0:
self.fail("libghdl initialization error")
def checkComments(self, node, name) -> None:
f = files_map.Location_To_File(nodes.Get_Location(node))
idx = file_comments.Find_First_Comment(f, node)
while idx != file_comments.No_Comment_Index:
s = file_comments.Get_Comment(f, idx)
self.assertTrue(s.find(':'+name+':') >= 0,
"no :{}: in '{}'".format(name, s))
idx = file_comments.Get_Next_Comment(f, idx)
def checkInterfaces(self, first) -> None:
inter = first
while inter != nodes.Null_Iir:
self.checkComments(inter, self.getIdentifier(inter))
inter = nodes.Get_Chain(inter)
def checkFile(self, filename) -> None:
# Load the file
file_id = name_table.Get_Identifier(str(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(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)
k = nodes.Get_Kind(libraryUnit)
name = self.getIdentifier(libraryUnit)
if k == nodes.Iir_Kind.Entity_Declaration:
self.checkComments(designUnit, name)
self.checkComments(libraryUnit, name)
self.checkInterfaces(nodes.Get_Generic_Chain(libraryUnit))
self.checkInterfaces(nodes.Get_Port_Chain(libraryUnit))
elif k == nodes.Iir_Kind.Architecture_Body:
self.checkComments(designUnit, name)
self.checkComments(libraryUnit, name)
elif k == nodes.Iir_Kind.Package_Declaration:
self.checkComments(designUnit, name)
self.checkComments(libraryUnit, name)
elif k == nodes.Iir_Kind.Context_Declaration:
self.checkComments(designUnit, name)
self.checkComments(libraryUnit, name)
elif k == nodes.Iir_Kind.Configuration_Declaration:
self.checkComments(designUnit, name)
self.checkComments(libraryUnit, name)
else:
self.fail("Unknown unit.")
designUnit = nodes.Get_Chain(designUnit)
def test_Comments(self) -> None:
"""Very first test"""
self.checkFile(self._root / "DesignComment.vhdl")
@skip("not yet handled")
def test_Comment2(self) -> None:
"""More exhaustive"""
self.checkFile(self._root / "Comment2.vhdl")
def test_entity_before(self) -> None:
self.checkFile(self._root / "ent_bef.vhdl")
def test_arch_before(self) -> None:
self.checkFile(self._root / "arch_bef.vhdl")
def test_pkg_before(self) -> None:
self.checkFile(self._root / "pkg_bef.vhdl")
def test_ctxt_before(self) -> None:
self.checkFile(self._root / "ctxt_bef.vhdl")
def test_conf_before(self) -> None:
self.checkFile(self._root / "conf_bef.vhdl")
def test_entity_inside(self) -> None:
self.checkFile(self._root / "ent_inside.vhdl")
@expectedFailure
def test_arch_inside_fail(self) -> None:
self.checkFile(self._root / "arch_inside_fail.vhdl")
def test_arch_inside(self) -> None:
self.checkFile(self._root / "arch_inside.vhdl")
@expectedFailure
def test_pkg_inside_fail(self) -> None:
self.checkFile(self._root / "pkg_inside_fail.vhdl")
def test_pkg_inside(self) -> None:
self.checkFile(self._root / "pkg_inside.vhdl")
@expectedFailure
def test_ctxt_inside_fail(self) -> None:
self.checkFile(self._root / "ctxt_inside_fail.vhdl")
def test_ctxt_inside(self) -> None:
self.checkFile(self._root / "ctxt_inside.vhdl")
@expectedFailure
def test_conf_inside_fail(self) -> None:
self.checkFile(self._root / "conf_inside_fail.vhdl")
def test_conf_inside(self) -> None:
self.checkFile(self._root / "conf_inside.vhdl")
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