mirror of
https://github.com/JakeHillion/drgn.git
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1249 lines
44 KiB
Python
1249 lines
44 KiB
Python
# Copyright (c) Meta Platforms, Inc. and affiliates.
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# SPDX-License-Identifier: GPL-3.0-or-later
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from drgn import (
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Language,
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Object,
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PrimitiveType,
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Qualifiers,
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TypeEnumerator,
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TypeKind,
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TypeMember,
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TypeParameter,
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TypeTemplateParameter,
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offsetof,
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sizeof,
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)
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from tests import DEFAULT_LANGUAGE, MockProgramTestCase, mock_program
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class TestType(MockProgramTestCase):
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def test_void(self):
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t = self.prog.void_type()
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self.assertEqual(t.kind, TypeKind.VOID)
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self.assertEqual(t.primitive, PrimitiveType.C_VOID)
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self.assertEqual(t.language, DEFAULT_LANGUAGE)
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self.assertIdentical(t, self.prog.void_type())
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self.assertFalse(t.is_complete())
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self.assertEqual(repr(t), "prog.void_type()")
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def test_int(self):
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t = self.prog.int_type("int", 4, True)
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self.assertEqual(t.kind, TypeKind.INT)
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self.assertEqual(t.primitive, PrimitiveType.C_INT)
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self.assertEqual(t.language, DEFAULT_LANGUAGE)
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self.assertEqual(t.name, "int")
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self.assertEqual(t.size, 4)
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self.assertTrue(t.is_signed)
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self.assertEqual(t.byteorder, "little")
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self.assertTrue(t.is_complete())
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self.assertEqual(repr(t), "prog.int_type(name='int', size=4, is_signed=True)")
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self.assertEqual(sizeof(t), 4)
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self.assertRaises(TypeError, self.prog.int_type, None, 4, True)
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self.assertIsNone(self.prog.int_type("my_int", 4, True).primitive)
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self.assertIsNone(self.prog.int_type("int", 4, False).primitive)
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def test_int_byteorder(self):
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self.assertIdentical(
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self.prog.int_type("int", 4, True),
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self.prog.int_type("int", 4, True, byteorder="little"),
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)
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t = self.prog.int_type("int", 4, True, "big")
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self.assertEqual(t.byteorder, "big")
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self.assertEqual(
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repr(t),
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"prog.int_type(name='int', size=4, is_signed=True, byteorder='big')",
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)
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self.assertRaises(ValueError, self.prog.int_type, "int", 4, True, "middle")
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def test_bool(self):
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t = self.prog.bool_type("_Bool", 1)
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self.assertEqual(t.kind, TypeKind.BOOL)
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self.assertEqual(t.primitive, PrimitiveType.C_BOOL)
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self.assertEqual(t.language, DEFAULT_LANGUAGE)
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self.assertEqual(t.name, "_Bool")
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self.assertEqual(t.size, 1)
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self.assertEqual(t.byteorder, "little")
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self.assertTrue(t.is_complete())
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self.assertEqual(repr(t), "prog.bool_type(name='_Bool', size=1)")
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self.assertEqual(sizeof(t), 1)
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self.assertRaises(TypeError, self.prog.bool_type, None, 1)
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def test_bool_byteorder(self):
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self.assertIdentical(
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self.prog.bool_type("_Bool", 1),
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self.prog.bool_type("_Bool", 1, byteorder="little"),
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)
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t = self.prog.bool_type("_Bool", 1, "big")
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self.assertEqual(t.byteorder, "big")
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self.assertEqual(
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repr(t), "prog.bool_type(name='_Bool', size=1, byteorder='big')"
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)
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self.assertRaises(ValueError, self.prog.bool_type, "_Bool", 1, "middle")
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def test_float(self):
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t = self.prog.float_type("float", 4)
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self.assertEqual(t.primitive, PrimitiveType.C_FLOAT)
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self.assertEqual(t.kind, TypeKind.FLOAT)
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self.assertEqual(t.name, "float")
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self.assertEqual(t.size, 4)
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self.assertEqual(t.byteorder, "little")
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self.assertTrue(t.is_complete())
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self.assertEqual(repr(t), "prog.float_type(name='float', size=4)")
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self.assertEqual(sizeof(t), 4)
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self.assertRaises(TypeError, self.prog.float_type, None, 4)
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def test_float_byteorder(self):
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self.assertIdentical(
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self.prog.bool_type("float", 1),
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self.prog.bool_type("float", 1, byteorder="little"),
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)
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t = self.prog.float_type("float", 4, "big")
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self.assertEqual(t.byteorder, "big")
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self.assertEqual(
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repr(t), "prog.float_type(name='float', size=4, byteorder='big')"
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)
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self.assertRaises(ValueError, self.prog.float_type, "float", 4, "middle")
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def test_struct(self):
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t = self.prog.struct_type(
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"point",
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8,
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(
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TypeMember(self.prog.int_type("int", 4, True), "x", 0),
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TypeMember(self.prog.int_type("int", 4, True), "y", 32),
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),
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)
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self.assertEqual(t.kind, TypeKind.STRUCT)
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self.assertIsNone(t.primitive)
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self.assertEqual(t.language, DEFAULT_LANGUAGE)
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self.assertEqual(t.tag, "point")
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self.assertEqual(t.size, 8)
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self.assertIdentical(
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t.members,
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(
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TypeMember(self.prog.int_type("int", 4, True), "x", 0),
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TypeMember(self.prog.int_type("int", 4, True), "y", 32),
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),
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)
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self.assertTrue(t.is_complete())
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self.assertEqual(
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repr(t),
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"prog.struct_type(tag='point', size=8, members=(TypeMember(prog.type('int'), name='x', bit_offset=0), TypeMember(prog.type('int'), name='y', bit_offset=32)))",
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)
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self.assertEqual(sizeof(t), 8)
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t = self.prog.struct_type(
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None,
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8,
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(
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TypeMember(self.prog.int_type("int", 4, True), "x", 0),
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TypeMember(self.prog.int_type("int", 4, True), "y", 32),
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),
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)
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self.assertEqual(t.kind, TypeKind.STRUCT)
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self.assertIsNone(t.primitive)
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self.assertIsNone(t.tag)
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self.assertEqual(t.size, 8)
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self.assertIdentical(
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t.members,
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(
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TypeMember(self.prog.int_type("int", 4, True), "x", 0),
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TypeMember(self.prog.int_type("int", 4, True), "y", 32),
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),
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)
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self.assertTrue(t.is_complete())
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t = self.prog.struct_type("color", 0, ())
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self.assertEqual(t.kind, TypeKind.STRUCT)
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self.assertIsNone(t.primitive)
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self.assertEqual(t.tag, "color")
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self.assertEqual(t.size, 0)
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self.assertEqual(t.members, ())
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self.assertTrue(t.is_complete())
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self.assertEqual(repr(t), "prog.struct_type(tag='color', size=0, members=())")
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t = self.prog.struct_type("color")
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self.assertEqual(t.kind, TypeKind.STRUCT)
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self.assertIsNone(t.primitive)
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self.assertEqual(t.tag, "color")
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self.assertIsNone(t.size)
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self.assertIsNone(t.members)
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self.assertFalse(t.is_complete())
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self.assertEqual(
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repr(t), "prog.struct_type(tag='color', size=None, members=None)"
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)
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t = self.prog.struct_type(None, None, None)
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self.assertEqual(t.kind, TypeKind.STRUCT)
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self.assertIsNone(t.primitive)
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self.assertEqual(t.tag, None)
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self.assertIsNone(t.size)
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self.assertIsNone(t.members)
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self.assertFalse(t.is_complete())
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self.assertEqual(repr(t), "prog.struct_type(tag=None, size=None, members=None)")
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self.assertRaises(TypeError, self.prog.struct_type, 4)
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self.assertRaisesRegex(
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ValueError, "must not have size", self.prog.struct_type, "point", 8, None
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)
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self.assertRaisesRegex(
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ValueError, "must have size", self.prog.struct_type, "point", None, ()
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)
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self.assertRaisesRegex(
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TypeError, "must be sequence or None", self.prog.struct_type, "point", 8, 4
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)
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self.assertRaisesRegex(
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TypeError, "must be TypeMember", self.prog.struct_type, "point", 8, (4,)
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)
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# Bit size.
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t = self.prog.struct_type(
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"point",
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8,
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(
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TypeMember(
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Object(
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self.prog, self.prog.int_type("int", 4, True), bit_field_size=4
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),
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"x",
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0,
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),
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TypeMember(
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Object(
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self.prog, self.prog.int_type("int", 4, True), bit_field_size=4
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),
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"y",
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32,
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),
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),
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)
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self.assertIdentical(
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t.members,
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(
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TypeMember(
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Object(
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self.prog, self.prog.int_type("int", 4, True), bit_field_size=4
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),
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"x",
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0,
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),
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TypeMember(
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Object(
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self.prog, self.prog.int_type("int", 4, True), bit_field_size=4
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),
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"y",
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32,
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),
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),
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)
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def test_union(self):
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t = self.prog.union_type(
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"option",
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4,
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(
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TypeMember(self.prog.int_type("int", 4, True), "x"),
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TypeMember(self.prog.int_type("unsigned int", 4, False), "y"),
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),
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)
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self.assertEqual(t.kind, TypeKind.UNION)
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self.assertIsNone(t.primitive)
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self.assertEqual(t.language, DEFAULT_LANGUAGE)
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self.assertEqual(t.tag, "option")
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self.assertEqual(t.size, 4)
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self.assertIdentical(
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t.members,
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(
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TypeMember(self.prog.int_type("int", 4, True), "x", 0),
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TypeMember(self.prog.int_type("unsigned int", 4, False), "y", 0),
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),
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)
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self.assertTrue(t.is_complete())
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self.assertEqual(
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repr(t),
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"prog.union_type(tag='option', size=4, members=(TypeMember(prog.type('int'), name='x', bit_offset=0), TypeMember(prog.type('unsigned int'), name='y', bit_offset=0)))",
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)
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self.assertEqual(sizeof(t), 4)
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t = self.prog.union_type(
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None,
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4,
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(
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TypeMember(self.prog.int_type("int", 4, True), "x"),
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TypeMember(self.prog.int_type("unsigned int", 4, False), "y"),
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),
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)
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self.assertEqual(t.kind, TypeKind.UNION)
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self.assertIsNone(t.primitive)
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self.assertIsNone(t.tag)
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self.assertEqual(t.size, 4)
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self.assertIdentical(
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t.members,
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(
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TypeMember(self.prog.int_type("int", 4, True), "x", 0),
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TypeMember(self.prog.int_type("unsigned int", 4, False), "y", 0),
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),
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)
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self.assertTrue(t.is_complete())
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t = self.prog.union_type("color", 0, ())
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self.assertEqual(t.kind, TypeKind.UNION)
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self.assertIsNone(t.primitive)
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self.assertEqual(t.tag, "color")
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self.assertEqual(t.size, 0)
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self.assertEqual(t.members, ())
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self.assertTrue(t.is_complete())
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self.assertEqual(repr(t), "prog.union_type(tag='color', size=0, members=())")
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t = self.prog.union_type("color")
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self.assertEqual(t.kind, TypeKind.UNION)
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self.assertIsNone(t.primitive)
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self.assertEqual(t.tag, "color")
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self.assertIsNone(t.size)
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self.assertIsNone(t.members)
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self.assertFalse(t.is_complete())
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self.assertEqual(
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repr(t), "prog.union_type(tag='color', size=None, members=None)"
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)
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t = self.prog.union_type(None, None, None)
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self.assertEqual(t.kind, TypeKind.UNION)
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self.assertIsNone(t.primitive)
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self.assertEqual(t.tag, None)
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self.assertIsNone(t.size)
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self.assertIsNone(t.members)
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self.assertFalse(t.is_complete())
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self.assertEqual(repr(t), "prog.union_type(tag=None, size=None, members=None)")
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self.assertRaises(TypeError, self.prog.union_type, 4)
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self.assertRaisesRegex(
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ValueError, "must not have size", self.prog.union_type, "option", 8, None
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)
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self.assertRaisesRegex(
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ValueError, "must have size", self.prog.union_type, "option", None, ()
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)
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self.assertRaisesRegex(
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TypeError, "must be sequence or None", self.prog.union_type, "option", 8, 4
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)
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self.assertRaisesRegex(
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TypeError, "must be TypeMember", self.prog.union_type, "option", 8, (4,)
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)
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# Bit size.
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t = self.prog.union_type(
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"option",
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4,
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(
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TypeMember(
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Object(
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self.prog, self.prog.int_type("int", 4, True), bit_field_size=4
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),
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"x",
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0,
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),
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TypeMember(
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Object(
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self.prog,
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self.prog.int_type("unsigned int", 4, False),
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bit_field_size=4,
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),
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"y",
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0,
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),
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),
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)
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self.assertIdentical(
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t.members,
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(
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TypeMember(
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Object(
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self.prog, self.prog.int_type("int", 4, True), bit_field_size=4
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),
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"x",
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0,
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),
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TypeMember(
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Object(
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self.prog,
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self.prog.int_type("unsigned int", 4, False),
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bit_field_size=4,
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),
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"y",
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0,
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),
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),
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)
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def test_class(self):
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t = self.prog.class_type(
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"coord",
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12,
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(
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TypeMember(self.prog.int_type("int", 4, True), "x", 0),
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TypeMember(self.prog.int_type("int", 4, True), "y", 32),
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TypeMember(self.prog.int_type("int", 4, True), "z", 64),
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),
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)
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self.assertEqual(t.kind, TypeKind.CLASS)
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self.assertIsNone(t.primitive)
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self.assertEqual(t.language, DEFAULT_LANGUAGE)
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self.assertEqual(t.tag, "coord")
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self.assertEqual(t.size, 12)
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self.assertIdentical(
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t.members,
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(
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TypeMember(self.prog.int_type("int", 4, True), "x", 0),
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TypeMember(self.prog.int_type("int", 4, True), "y", 32),
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TypeMember(self.prog.int_type("int", 4, True), "z", 64),
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),
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)
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self.assertTrue(t.is_complete())
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self.assertEqual(
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repr(t),
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"prog.class_type(tag='coord', size=12, members=(TypeMember(prog.type('int'), name='x', bit_offset=0), TypeMember(prog.type('int'), name='y', bit_offset=32), TypeMember(prog.type('int'), name='z', bit_offset=64)))",
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)
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self.assertEqual(sizeof(t), 12)
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t = self.prog.class_type(
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None,
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12,
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(
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TypeMember(self.prog.int_type("int", 4, True), "x", 0),
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TypeMember(self.prog.int_type("int", 4, True), "y", 32),
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TypeMember(self.prog.int_type("int", 4, True), "z", 64),
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),
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)
|
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self.assertEqual(t.kind, TypeKind.CLASS)
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self.assertIsNone(t.primitive)
|
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self.assertIsNone(t.tag)
|
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self.assertEqual(t.size, 12)
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self.assertIdentical(
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t.members,
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|
(
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TypeMember(self.prog.int_type("int", 4, True), "x", 0),
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TypeMember(self.prog.int_type("int", 4, True), "y", 32),
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TypeMember(self.prog.int_type("int", 4, True), "z", 64),
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),
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)
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self.assertTrue(t.is_complete())
|
|
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t = self.prog.class_type("color", 0, ())
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self.assertEqual(t.kind, TypeKind.CLASS)
|
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self.assertIsNone(t.primitive)
|
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self.assertEqual(t.tag, "color")
|
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self.assertEqual(t.size, 0)
|
|
self.assertEqual(t.members, ())
|
|
self.assertTrue(t.is_complete())
|
|
self.assertEqual(repr(t), "prog.class_type(tag='color', size=0, members=())")
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|
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t = self.prog.class_type("color")
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self.assertEqual(t.kind, TypeKind.CLASS)
|
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self.assertIsNone(t.primitive)
|
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self.assertEqual(t.tag, "color")
|
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self.assertIsNone(t.size)
|
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self.assertIsNone(t.members)
|
|
self.assertFalse(t.is_complete())
|
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self.assertEqual(
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repr(t), "prog.class_type(tag='color', size=None, members=None)"
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)
|
|
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t = self.prog.class_type(None, None, None)
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self.assertEqual(t.kind, TypeKind.CLASS)
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self.assertIsNone(t.primitive)
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self.assertEqual(t.tag, None)
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self.assertIsNone(t.size)
|
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self.assertIsNone(t.members)
|
|
self.assertFalse(t.is_complete())
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self.assertEqual(repr(t), "prog.class_type(tag=None, size=None, members=None)")
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|
|
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self.assertRaises(TypeError, self.prog.class_type, 4)
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self.assertRaisesRegex(
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ValueError, "must not have size", self.prog.class_type, "coord", 12, None
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)
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self.assertRaisesRegex(
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ValueError, "must have size", self.prog.class_type, "coord", None, ()
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)
|
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self.assertRaisesRegex(
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TypeError, "must be sequence or None", self.prog.class_type, "coord", 12, 4
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)
|
|
self.assertRaisesRegex(
|
|
TypeError, "must be TypeMember", self.prog.class_type, "coord", 12, (4,)
|
|
)
|
|
|
|
# Bit size.
|
|
t = self.prog.class_type(
|
|
"coord",
|
|
12,
|
|
(
|
|
TypeMember(
|
|
Object(
|
|
self.prog, self.prog.int_type("int", 4, True), bit_field_size=4
|
|
),
|
|
"x",
|
|
0,
|
|
),
|
|
TypeMember(
|
|
Object(
|
|
self.prog, self.prog.int_type("int", 4, True), bit_field_size=4
|
|
),
|
|
"y",
|
|
32,
|
|
),
|
|
TypeMember(
|
|
Object(
|
|
self.prog, self.prog.int_type("int", 4, True), bit_field_size=4
|
|
),
|
|
"z",
|
|
64,
|
|
),
|
|
),
|
|
)
|
|
self.assertIdentical(
|
|
t.members,
|
|
(
|
|
TypeMember(
|
|
Object(
|
|
self.prog, self.prog.int_type("int", 4, True), bit_field_size=4
|
|
),
|
|
"x",
|
|
0,
|
|
),
|
|
TypeMember(
|
|
Object(
|
|
self.prog, self.prog.int_type("int", 4, True), bit_field_size=4
|
|
),
|
|
"y",
|
|
32,
|
|
),
|
|
TypeMember(
|
|
Object(
|
|
self.prog, self.prog.int_type("int", 4, True), bit_field_size=4
|
|
),
|
|
"z",
|
|
64,
|
|
),
|
|
),
|
|
)
|
|
|
|
def test_member(self):
|
|
t = self.prog.struct_type(
|
|
None,
|
|
8,
|
|
(
|
|
TypeMember(self.prog.int_type("int", 4, True), "x", 0),
|
|
TypeMember(
|
|
self.prog.struct_type(
|
|
None,
|
|
4,
|
|
(TypeMember(self.prog.int_type("int", 4, True), "y", 0),),
|
|
),
|
|
None,
|
|
32,
|
|
),
|
|
),
|
|
)
|
|
self.assertIdentical(
|
|
t.member("x"), TypeMember(self.prog.int_type("int", 4, True), "x", 0)
|
|
)
|
|
self.assertIdentical(
|
|
t.member("y"), TypeMember(self.prog.int_type("int", 4, True), "y", 32)
|
|
)
|
|
self.assertRaises(LookupError, t.member, "z")
|
|
|
|
self.assertIdentical(
|
|
t.members[1].type.member("y"),
|
|
TypeMember(self.prog.int_type("int", 4, True), "y", 0),
|
|
)
|
|
|
|
self.assertRaises(TypeError, self.prog.int_type("int", 4, True).member, "foo")
|
|
|
|
def test_offsetof(self):
|
|
self.assertEqual(offsetof(self.line_segment_type, "b"), 8)
|
|
self.assertEqual(offsetof(self.line_segment_type, "a.y"), 4)
|
|
self.assertRaisesRegex(
|
|
LookupError,
|
|
"'struct line_segment' has no member 'c'",
|
|
offsetof,
|
|
self.line_segment_type,
|
|
"c.x",
|
|
)
|
|
|
|
small_point_type = self.prog.struct_type(
|
|
"small_point",
|
|
1,
|
|
(
|
|
TypeMember(
|
|
Object(
|
|
self.prog, self.prog.int_type("int", 4, True), bit_field_size=4
|
|
),
|
|
"x",
|
|
0,
|
|
),
|
|
TypeMember(
|
|
Object(
|
|
self.prog, self.prog.int_type("int", 4, True), bit_field_size=4
|
|
),
|
|
"y",
|
|
4,
|
|
),
|
|
),
|
|
)
|
|
self.assertEqual(offsetof(small_point_type, "x"), 0)
|
|
self.assertRaisesRegex(
|
|
ValueError,
|
|
"member is not byte-aligned",
|
|
offsetof,
|
|
small_point_type,
|
|
"y",
|
|
)
|
|
|
|
def test_enum(self):
|
|
t = self.prog.enum_type(
|
|
"color",
|
|
self.prog.int_type("unsigned int", 4, False),
|
|
(
|
|
TypeEnumerator("RED", 0),
|
|
TypeEnumerator("GREEN", 1),
|
|
TypeEnumerator("BLUE", 2),
|
|
),
|
|
)
|
|
self.assertEqual(t.kind, TypeKind.ENUM)
|
|
self.assertIsNone(t.primitive)
|
|
self.assertEqual(t.language, DEFAULT_LANGUAGE)
|
|
self.assertEqual(t.tag, "color")
|
|
self.assertIdentical(t.type, self.prog.int_type("unsigned int", 4, False))
|
|
self.assertEqual(
|
|
t.enumerators,
|
|
(
|
|
TypeEnumerator("RED", 0),
|
|
TypeEnumerator("GREEN", 1),
|
|
TypeEnumerator("BLUE", 2),
|
|
),
|
|
)
|
|
self.assertTrue(t.is_complete())
|
|
|
|
self.assertEqual(
|
|
repr(t),
|
|
"prog.enum_type(tag='color', type=prog.int_type(name='unsigned int', size=4, is_signed=False), enumerators=(TypeEnumerator('RED', 0), TypeEnumerator('GREEN', 1), TypeEnumerator('BLUE', 2)))",
|
|
)
|
|
self.assertEqual(sizeof(t), 4)
|
|
|
|
t = self.prog.enum_type("color", None, None)
|
|
self.assertEqual(t.kind, TypeKind.ENUM)
|
|
self.assertIsNone(t.primitive)
|
|
self.assertEqual(t.tag, "color")
|
|
self.assertIsNone(t.type)
|
|
self.assertIsNone(t.enumerators)
|
|
self.assertFalse(t.is_complete())
|
|
|
|
self.assertEqual(
|
|
repr(t), "prog.enum_type(tag='color', type=None, enumerators=None)"
|
|
)
|
|
|
|
# A type with no enumerators isn't valid in C, but we allow it.
|
|
t = self.prog.enum_type(
|
|
"color", self.prog.int_type("unsigned int", 4, False), ()
|
|
)
|
|
self.assertEqual(t.kind, TypeKind.ENUM)
|
|
self.assertIsNone(t.primitive)
|
|
self.assertEqual(t.tag, "color")
|
|
self.assertIdentical(t.type, self.prog.int_type("unsigned int", 4, False))
|
|
self.assertEqual(t.enumerators, ())
|
|
self.assertTrue(t.is_complete())
|
|
|
|
self.assertEqual(
|
|
repr(t),
|
|
"prog.enum_type(tag='color', type=prog.int_type(name='unsigned int', size=4, is_signed=False), enumerators=())",
|
|
)
|
|
|
|
self.assertRaisesRegex(
|
|
TypeError, "must be Type", self.prog.enum_type, "color", 4, ()
|
|
)
|
|
self.assertRaisesRegex(
|
|
ValueError,
|
|
"must be integer type",
|
|
self.prog.enum_type,
|
|
"color",
|
|
self.prog.void_type(),
|
|
(),
|
|
)
|
|
self.assertRaisesRegex(
|
|
ValueError,
|
|
"must be unqualified",
|
|
self.prog.enum_type,
|
|
"color",
|
|
self.prog.int_type("unsigned int", 4, True, qualifiers=Qualifiers.CONST),
|
|
(),
|
|
)
|
|
self.assertRaisesRegex(
|
|
ValueError,
|
|
"must not have compatible type",
|
|
self.prog.enum_type,
|
|
"color",
|
|
self.prog.int_type("unsigned int", 4, False),
|
|
None,
|
|
)
|
|
self.assertRaisesRegex(
|
|
ValueError,
|
|
"must have compatible type",
|
|
self.prog.enum_type,
|
|
"color",
|
|
None,
|
|
(),
|
|
)
|
|
self.assertRaisesRegex(
|
|
TypeError,
|
|
"must be sequence or None",
|
|
self.prog.enum_type,
|
|
"color",
|
|
self.prog.int_type("unsigned int", 4, False),
|
|
4,
|
|
)
|
|
self.assertRaisesRegex(
|
|
TypeError,
|
|
"must be TypeEnumerator",
|
|
self.prog.enum_type,
|
|
"color",
|
|
self.prog.int_type("unsigned int", 4, False),
|
|
(4,),
|
|
)
|
|
|
|
def test_typedef(self):
|
|
t = self.prog.typedef_type("INT", self.prog.int_type("int", 4, True))
|
|
self.assertEqual(t.kind, TypeKind.TYPEDEF)
|
|
self.assertIsNone(t.primitive)
|
|
self.assertEqual(t.language, DEFAULT_LANGUAGE)
|
|
self.assertEqual(t.name, "INT")
|
|
self.assertIdentical(t.type, self.prog.int_type("int", 4, True))
|
|
self.assertTrue(t.is_complete())
|
|
|
|
self.assertEqual(
|
|
repr(t),
|
|
"prog.typedef_type(name='INT', type=prog.int_type(name='int', size=4, is_signed=True))",
|
|
)
|
|
self.assertEqual(sizeof(t), 4)
|
|
|
|
t = self.prog.typedef_type("VOID", self.prog.void_type())
|
|
self.assertFalse(t.is_complete())
|
|
|
|
self.assertRaises(
|
|
TypeError, self.prog.typedef_type, None, self.prog.int_type("int", 4, True)
|
|
)
|
|
self.assertRaises(TypeError, self.prog.typedef_type, "INT", 4)
|
|
|
|
self.assertEqual(
|
|
self.prog.typedef_type(
|
|
"size_t", self.prog.int_type("unsigned long", 8, False)
|
|
).primitive,
|
|
PrimitiveType.C_SIZE_T,
|
|
)
|
|
self.assertEqual(
|
|
self.prog.typedef_type(
|
|
"ptrdiff_t", self.prog.int_type("long", 8, True)
|
|
).primitive,
|
|
PrimitiveType.C_PTRDIFF_T,
|
|
)
|
|
|
|
def test_pointer(self):
|
|
t = self.prog.pointer_type(self.prog.int_type("int", 4, True), 8)
|
|
self.assertEqual(t.kind, TypeKind.POINTER)
|
|
self.assertIsNone(t.primitive)
|
|
self.assertEqual(t.language, DEFAULT_LANGUAGE)
|
|
self.assertEqual(t.size, 8)
|
|
self.assertIdentical(t.type, self.prog.int_type("int", 4, True))
|
|
self.assertEqual(t.byteorder, "little")
|
|
self.assertTrue(t.is_complete())
|
|
|
|
self.assertEqual(
|
|
repr(t),
|
|
"prog.pointer_type(type=prog.int_type(name='int', size=4, is_signed=True))",
|
|
)
|
|
self.assertEqual(
|
|
repr(self.prog.pointer_type(self.prog.int_type("int", 4, True), 4)),
|
|
"prog.pointer_type(type=prog.int_type(name='int', size=4, is_signed=True), size=4)",
|
|
)
|
|
|
|
self.assertEqual(sizeof(t), 8)
|
|
|
|
self.assertRaises(TypeError, self.prog.pointer_type, 4)
|
|
|
|
def test_pointer_byteorder(self):
|
|
self.assertIdentical(
|
|
self.prog.pointer_type(self.prog.int_type("int", 4, True)),
|
|
self.prog.pointer_type(
|
|
self.prog.int_type("int", 4, True), byteorder="little"
|
|
),
|
|
)
|
|
t = self.prog.pointer_type(self.prog.int_type("int", 4, True), 8, "big")
|
|
self.assertEqual(t.byteorder, "big")
|
|
self.assertEqual(t.type.byteorder, "little")
|
|
self.assertEqual(
|
|
repr(t),
|
|
"prog.pointer_type(type=prog.int_type(name='int', size=4, is_signed=True), byteorder='big')",
|
|
)
|
|
self.assertRaises(
|
|
ValueError,
|
|
self.prog.pointer_type,
|
|
self.prog.int_type("int", 4, True),
|
|
8,
|
|
"middle",
|
|
)
|
|
|
|
def test_array(self):
|
|
t = self.prog.array_type(self.prog.int_type("int", 4, True), 10)
|
|
self.assertEqual(t.kind, TypeKind.ARRAY)
|
|
self.assertIsNone(t.primitive)
|
|
self.assertEqual(t.language, DEFAULT_LANGUAGE)
|
|
self.assertEqual(t.length, 10)
|
|
self.assertIdentical(t.type, self.prog.int_type("int", 4, True))
|
|
self.assertTrue(t.is_complete())
|
|
|
|
self.assertEqual(
|
|
repr(t),
|
|
"prog.array_type(type=prog.int_type(name='int', size=4, is_signed=True), length=10)",
|
|
)
|
|
self.assertEqual(sizeof(t), 40)
|
|
|
|
t = self.prog.array_type(self.prog.int_type("int", 4, True), 0)
|
|
self.assertEqual(t.kind, TypeKind.ARRAY)
|
|
self.assertIsNone(t.primitive)
|
|
self.assertEqual(t.length, 0)
|
|
self.assertIdentical(t.type, self.prog.int_type("int", 4, True))
|
|
self.assertTrue(t.is_complete())
|
|
|
|
t = self.prog.array_type(self.prog.int_type("int", 4, True))
|
|
self.assertEqual(t.kind, TypeKind.ARRAY)
|
|
self.assertIsNone(t.primitive)
|
|
self.assertIsNone(t.length)
|
|
self.assertIdentical(t.type, self.prog.int_type("int", 4, True))
|
|
self.assertFalse(t.is_complete())
|
|
|
|
self.assertRaises(TypeError, self.prog.array_type, 10, 4)
|
|
|
|
def test_function(self):
|
|
t = self.prog.function_type(
|
|
self.prog.void_type(),
|
|
(TypeParameter(self.prog.int_type("int", 4, True), "n"),),
|
|
)
|
|
self.assertEqual(t.kind, TypeKind.FUNCTION)
|
|
self.assertIsNone(t.primitive)
|
|
self.assertEqual(t.language, DEFAULT_LANGUAGE)
|
|
self.assertIdentical(t.type, self.prog.void_type())
|
|
self.assertIdentical(
|
|
t.parameters, (TypeParameter(self.prog.int_type("int", 4, True), "n"),)
|
|
)
|
|
self.assertFalse(t.is_variadic)
|
|
self.assertTrue(t.is_complete())
|
|
|
|
self.assertEqual(
|
|
repr(t),
|
|
"prog.function_type(type=prog.void_type(), parameters=(TypeParameter(prog.type('int'), name='n'),), is_variadic=False)",
|
|
)
|
|
self.assertRaises(TypeError, sizeof, t)
|
|
|
|
self.assertFalse(
|
|
self.prog.function_type(self.prog.void_type(), (), False).is_variadic
|
|
)
|
|
self.assertTrue(
|
|
self.prog.function_type(self.prog.void_type(), (), True).is_variadic
|
|
)
|
|
|
|
self.assertRaisesRegex(
|
|
TypeError, r"must be _drgn\.Type", self.prog.function_type, None, ()
|
|
)
|
|
self.assertRaisesRegex(
|
|
TypeError,
|
|
"must be sequence",
|
|
self.prog.function_type,
|
|
self.prog.void_type(),
|
|
None,
|
|
)
|
|
self.assertRaisesRegex(
|
|
TypeError,
|
|
"must be TypeParameter",
|
|
self.prog.function_type,
|
|
self.prog.void_type(),
|
|
(4,),
|
|
)
|
|
|
|
def test_cycle(self):
|
|
t1 = self.prog.struct_type(
|
|
"foo", 8, (TypeMember(lambda: self.prog.pointer_type(t1), "next"),)
|
|
)
|
|
t2 = self.prog.struct_type(
|
|
"foo", 8, (TypeMember(lambda: self.prog.pointer_type(t2), "next"),)
|
|
)
|
|
t3, t4 = (
|
|
self.prog.struct_type(
|
|
"foo", 8, (TypeMember(lambda: self.prog.pointer_type(t4), "next"),)
|
|
),
|
|
self.prog.struct_type(
|
|
"foo", 8, (TypeMember(lambda: self.prog.pointer_type(t3), "next"),)
|
|
),
|
|
)
|
|
self.assertIdentical(t1, t2)
|
|
self.assertIdentical(t2, t3)
|
|
self.assertIdentical(t3, t4)
|
|
|
|
self.assertEqual(
|
|
repr(t1),
|
|
"prog.struct_type(tag='foo', size=8, members=(TypeMember(prog.type('struct foo *'), name='next', bit_offset=0),))",
|
|
)
|
|
|
|
def test_cycle2(self):
|
|
t1 = self.prog.struct_type(
|
|
"list_head",
|
|
16,
|
|
(
|
|
TypeMember(lambda: self.prog.pointer_type(t1), "next"),
|
|
TypeMember(lambda: self.prog.pointer_type(t1), "prev", 8),
|
|
),
|
|
)
|
|
t2 = self.prog.struct_type(
|
|
"list_head",
|
|
16,
|
|
(
|
|
TypeMember(lambda: self.prog.pointer_type(t2), "next"),
|
|
TypeMember(lambda: self.prog.pointer_type(t2), "prev", 8),
|
|
),
|
|
)
|
|
self.assertIdentical(t1, t2)
|
|
|
|
self.assertEqual(
|
|
repr(t1),
|
|
"prog.struct_type(tag='list_head', size=16, members=(TypeMember(prog.type('struct list_head *'), name='next', bit_offset=0), TypeMember(prog.type('struct list_head *'), name='prev', bit_offset=8)))",
|
|
)
|
|
|
|
def test_bad_thunk(self):
|
|
t1 = self.prog.struct_type(
|
|
"foo", 16, (TypeMember(lambda: exec('raise Exception("test")'), "bar"),)
|
|
)
|
|
with self.assertRaisesRegex(Exception, "test"):
|
|
t1.members[0].type
|
|
t1 = self.prog.struct_type("foo", 16, (TypeMember(lambda: 0, "bar"),))
|
|
with self.assertRaisesRegex(
|
|
TypeError, r"TypeMember\(\) callable must return Object or Type"
|
|
):
|
|
t1.members[0].type
|
|
|
|
def test_qualifiers(self):
|
|
self.assertEqual(self.prog.void_type().qualifiers, Qualifiers(0))
|
|
|
|
t = self.prog.void_type(qualifiers=Qualifiers.CONST | Qualifiers.VOLATILE)
|
|
self.assertEqual(t.qualifiers, Qualifiers.CONST | Qualifiers.VOLATILE)
|
|
self.assertEqual(
|
|
repr(t),
|
|
f"prog.void_type(qualifiers={repr(Qualifiers.CONST | Qualifiers.VOLATILE)})",
|
|
)
|
|
|
|
self.assertIdentical(
|
|
t.qualified(Qualifiers.ATOMIC),
|
|
self.prog.void_type(qualifiers=Qualifiers.ATOMIC),
|
|
)
|
|
self.assertIdentical(t.unqualified(), self.prog.void_type())
|
|
self.assertIdentical(t.qualified(Qualifiers(0)), t.unqualified())
|
|
|
|
self.assertRaisesRegex(
|
|
TypeError, "expected Qualifiers", self.prog.void_type, qualifiers=1.5
|
|
)
|
|
|
|
def test_language(self):
|
|
self.assertEqual(self.prog.void_type(language=None).language, DEFAULT_LANGUAGE)
|
|
self.assertEqual(self.prog.void_type(language=Language.C).language, Language.C)
|
|
|
|
self.assertEqual(
|
|
self.prog.int_type("int", 4, True, language=Language.CPP).language,
|
|
Language.CPP,
|
|
)
|
|
|
|
def test_language_repr(self):
|
|
self.assertEqual(
|
|
repr(self.prog.void_type(language=Language.CPP)),
|
|
"prog.void_type(language=Language.CPP)",
|
|
)
|
|
|
|
def test_different_programs_compound(self):
|
|
self.assertRaisesRegex(
|
|
ValueError,
|
|
"object is from different program",
|
|
self.prog.struct_type,
|
|
None,
|
|
4,
|
|
(TypeMember(mock_program().int_type("int", 4, True)),),
|
|
)
|
|
|
|
def test_different_programs_compound_callback(self):
|
|
with self.assertRaisesRegex(ValueError, "objects are from different program"):
|
|
self.prog.struct_type(
|
|
None, 4, (TypeMember(lambda: mock_program().int_type("int", 4, True)),)
|
|
).members[0].type
|
|
|
|
def test_different_programs_enum(self):
|
|
self.assertRaisesRegex(
|
|
ValueError,
|
|
"type is from different program",
|
|
self.prog.enum_type,
|
|
None,
|
|
mock_program().int_type("int", 4, True),
|
|
(),
|
|
)
|
|
|
|
def test_different_programs_typedef(self):
|
|
self.assertRaisesRegex(
|
|
ValueError,
|
|
"type is from different program",
|
|
self.prog.typedef_type,
|
|
"INT",
|
|
mock_program().int_type("int", 4, True),
|
|
)
|
|
|
|
def test_different_programs_pointer(self):
|
|
self.assertRaisesRegex(
|
|
ValueError,
|
|
"type is from different program",
|
|
self.prog.pointer_type,
|
|
mock_program().int_type("int", 4, True),
|
|
)
|
|
|
|
def test_different_programs_array(self):
|
|
self.assertRaisesRegex(
|
|
ValueError,
|
|
"type is from different program",
|
|
self.prog.pointer_type,
|
|
mock_program().int_type("int", 4, True),
|
|
)
|
|
|
|
def test_different_programs_function_return(self):
|
|
self.assertRaisesRegex(
|
|
ValueError,
|
|
"type is from different program",
|
|
self.prog.function_type,
|
|
mock_program().int_type("int", 4, True),
|
|
(),
|
|
)
|
|
|
|
def test_different_programs_function_parameter(self):
|
|
self.assertRaisesRegex(
|
|
ValueError,
|
|
"object is from different program",
|
|
self.prog.function_type,
|
|
self.prog.void_type(),
|
|
(TypeParameter(mock_program().int_type("int", 4, True)),),
|
|
)
|
|
|
|
def test_different_programs_function_parameter_callback(self):
|
|
with self.assertRaisesRegex(ValueError, "objects are from different programs"):
|
|
self.prog.function_type(
|
|
self.prog.void_type(),
|
|
(TypeParameter(lambda: mock_program().int_type("int", 4, True)),),
|
|
).parameters[0].type
|
|
|
|
|
|
class TestTypeEnumerator(MockProgramTestCase):
|
|
def test_init(self):
|
|
e = TypeEnumerator("a", 1)
|
|
self.assertEqual(e.name, "a")
|
|
self.assertEqual(e.value, 1)
|
|
|
|
self.assertRaises(TypeError, TypeEnumerator, "a", None)
|
|
self.assertRaises(TypeError, TypeEnumerator, None, 1)
|
|
|
|
def test_repr(self):
|
|
e = TypeEnumerator("a", 1)
|
|
self.assertEqual(repr(e), "TypeEnumerator('a', 1)")
|
|
|
|
def test_sequence(self):
|
|
e = TypeEnumerator("a", 1)
|
|
name, value = e
|
|
self.assertEqual(name, "a")
|
|
self.assertEqual(value, 1)
|
|
self.assertEqual(list(e), ["a", 1])
|
|
|
|
def test_cmp(self):
|
|
self.assertEqual(TypeEnumerator("a", 1), TypeEnumerator(name="a", value=1))
|
|
self.assertNotEqual(TypeEnumerator("a", 1), TypeEnumerator("a", 2))
|
|
self.assertNotEqual(TypeEnumerator("b", 1), TypeEnumerator("a", 1))
|
|
|
|
|
|
class TestTypeMember(MockProgramTestCase):
|
|
def test_init(self):
|
|
m = TypeMember(self.prog.void_type())
|
|
self.assertIdentical(m.object, Object(self.prog, self.prog.void_type()))
|
|
self.assertIdentical(m.type, self.prog.void_type())
|
|
self.assertIsNone(m.name)
|
|
self.assertEqual(m.bit_offset, 0)
|
|
self.assertEqual(m.offset, 0)
|
|
self.assertIsNone(m.bit_field_size)
|
|
|
|
m = TypeMember(Object(self.prog, self.prog.void_type()), "foo")
|
|
self.assertIdentical(m.object, Object(self.prog, self.prog.void_type()))
|
|
self.assertIdentical(m.type, self.prog.void_type())
|
|
self.assertEqual(m.name, "foo")
|
|
self.assertEqual(m.bit_offset, 0)
|
|
self.assertEqual(m.offset, 0)
|
|
self.assertIsNone(m.bit_field_size)
|
|
|
|
m = TypeMember(self.prog.void_type(), "foo", 8)
|
|
self.assertIdentical(m.object, Object(self.prog, self.prog.void_type()))
|
|
self.assertIdentical(m.type, self.prog.void_type())
|
|
self.assertEqual(m.name, "foo")
|
|
self.assertEqual(m.bit_offset, 8)
|
|
self.assertEqual(m.offset, 1)
|
|
self.assertIsNone(m.bit_field_size)
|
|
|
|
self.assertRaises(TypeError, TypeMember, None)
|
|
self.assertRaises(TypeError, TypeMember, self.prog.void_type(), 1)
|
|
self.assertRaises(TypeError, TypeMember, self.prog.void_type(), "foo", None)
|
|
|
|
def test_callable(self):
|
|
m = TypeMember(self.prog.void_type)
|
|
self.assertIdentical(m.object, Object(self.prog, self.prog.void_type()))
|
|
self.assertIdentical(m.type, self.prog.void_type())
|
|
|
|
m = TypeMember(lambda: Object(self.prog, self.prog.int_type("int", 4, True)))
|
|
self.assertIdentical(
|
|
m.object, Object(self.prog, self.prog.int_type("int", 4, True))
|
|
)
|
|
self.assertIdentical(m.type, self.prog.int_type("int", 4, True))
|
|
|
|
m = TypeMember(lambda: None)
|
|
self.assertRaises(TypeError, getattr, m, "type")
|
|
|
|
def test_repr(self):
|
|
m = TypeMember(self.prog.void_type, name="foo")
|
|
self.assertEqual(
|
|
repr(m), "TypeMember(prog.type('void'), name='foo', bit_offset=0)"
|
|
)
|
|
|
|
m = TypeMember(self.prog.void_type)
|
|
self.assertEqual(repr(m), "TypeMember(prog.type('void'), bit_offset=0)")
|
|
|
|
m = TypeMember(
|
|
Object(self.prog, self.prog.int_type("int", 4, True), bit_field_size=1)
|
|
)
|
|
self.assertEqual(
|
|
repr(m), "TypeMember(Object(prog, 'int', bit_field_size=1), bit_offset=0)"
|
|
)
|
|
|
|
m = TypeMember(lambda: None)
|
|
self.assertRaises(TypeError, repr, m)
|
|
|
|
|
|
class TestTypeParameter(MockProgramTestCase):
|
|
def test_init(self):
|
|
p = TypeParameter(self.prog.void_type())
|
|
self.assertIdentical(
|
|
p.default_argument, Object(self.prog, self.prog.void_type())
|
|
)
|
|
self.assertIdentical(p.type, self.prog.void_type())
|
|
self.assertIsNone(p.name)
|
|
|
|
p = TypeParameter(
|
|
Object(self.prog, self.prog.int_type("int", 4, True), 5), "foo"
|
|
)
|
|
self.assertIdentical(
|
|
p.default_argument, Object(self.prog, self.prog.int_type("int", 4, True), 5)
|
|
)
|
|
self.assertIdentical(p.type, self.prog.int_type("int", 4, True))
|
|
self.assertEqual(p.name, "foo")
|
|
|
|
self.assertRaises(TypeError, TypeParameter, None)
|
|
self.assertRaises(TypeError, TypeParameter, self.prog.void_type(), 1)
|
|
|
|
def test_callable(self):
|
|
p = TypeParameter(self.prog.void_type)
|
|
self.assertIdentical(
|
|
p.default_argument, Object(self.prog, self.prog.void_type())
|
|
)
|
|
self.assertIdentical(p.type, self.prog.void_type())
|
|
|
|
p = TypeParameter(lambda: Object(self.prog, self.prog.int_type("int", 4, True)))
|
|
self.assertIdentical(
|
|
p.default_argument, Object(self.prog, self.prog.int_type("int", 4, True))
|
|
)
|
|
self.assertIdentical(p.type, self.prog.int_type("int", 4, True))
|
|
|
|
p = TypeParameter(lambda: None)
|
|
self.assertRaises(TypeError, getattr, p, "type")
|
|
|
|
def test_repr(self):
|
|
p = TypeParameter(self.prog.void_type, name="foo")
|
|
self.assertEqual(repr(p), "TypeParameter(prog.type('void'), name='foo')")
|
|
|
|
p = TypeParameter(self.prog.void_type)
|
|
self.assertEqual(repr(p), "TypeParameter(prog.type('void'))")
|
|
|
|
p = TypeParameter(lambda: None)
|
|
self.assertRaises(TypeError, repr, p)
|
|
|
|
|
|
class TestTypeTemplateParameter(MockProgramTestCase):
|
|
def test_init(self):
|
|
p = TypeTemplateParameter(self.prog.void_type())
|
|
self.assertIdentical(p.argument, self.prog.void_type())
|
|
self.assertIsNone(p.name)
|
|
self.assertFalse(p.is_default)
|
|
|
|
p = TypeTemplateParameter(
|
|
Object(self.prog, self.prog.int_type("int", 4, True), 5), "foo", True
|
|
)
|
|
self.assertIdentical(
|
|
p.argument, Object(self.prog, self.prog.int_type("int", 4, True), 5)
|
|
)
|
|
self.assertEqual(p.name, "foo")
|
|
self.assertTrue(p.is_default)
|
|
|
|
self.assertRaises(TypeError, TypeTemplateParameter, None)
|
|
self.assertRaisesRegex(
|
|
ValueError,
|
|
"must not be absent Object",
|
|
TypeTemplateParameter,
|
|
Object(self.prog, "int"),
|
|
)
|
|
self.assertRaises(TypeError, TypeTemplateParameter, self.prog.void_type(), 1)
|
|
self.assertRaises(
|
|
TypeError, TypeTemplateParameter, self.prog.void_type(), None, None
|
|
)
|
|
|
|
def test_callable(self):
|
|
p = TypeTemplateParameter(self.prog.void_type)
|
|
self.assertIdentical(p.argument, self.prog.void_type())
|
|
|
|
p = TypeTemplateParameter(
|
|
lambda: Object(self.prog, self.prog.int_type("int", 4, True), 5)
|
|
)
|
|
self.assertIdentical(
|
|
p.argument, Object(self.prog, self.prog.int_type("int", 4, True), 5)
|
|
)
|
|
|
|
p = TypeTemplateParameter(lambda: None)
|
|
self.assertRaises(TypeError, getattr, p, "argument")
|
|
p = TypeTemplateParameter(lambda: Object(self.prog, "int"))
|
|
self.assertRaisesRegex(
|
|
ValueError, "must not return absent Object", getattr, p, "argument"
|
|
)
|
|
|
|
def test_repr(self):
|
|
p = TypeTemplateParameter(self.prog.void_type, name="foo", is_default=True)
|
|
self.assertEqual(
|
|
repr(p),
|
|
"TypeTemplateParameter(prog.type('void'), name='foo', is_default=True)",
|
|
)
|
|
|
|
p = TypeTemplateParameter(self.prog.void_type)
|
|
self.assertEqual(repr(p), "TypeTemplateParameter(prog.type('void'))")
|
|
|
|
p = TypeTemplateParameter(lambda: None)
|
|
self.assertRaises(TypeError, repr, p)
|