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https://github.com/Gericom/teak-llvm.git
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c3f1e62920
This patch teaches LLDB about more fields on NSException Obj-C objects, specifically we can now retrieve the "name" and "reason" of an NSException. The goal is to eventually be able to have SB API that can provide details about the currently thrown/caught/processed exception. Differential Revision: https://reviews.llvm.org/D43884 llvm-svn: 346695
91 lines
3.5 KiB
Python
91 lines
3.5 KiB
Python
# encoding: utf-8
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"""
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Test lldb Obj-C exception support.
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"""
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from __future__ import print_function
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import lldb
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from lldbsuite.test.decorators import *
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from lldbsuite.test.lldbtest import *
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from lldbsuite.test import lldbutil
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class ObjCExceptionsTestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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@skipUnlessDarwin
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def test_objc_exceptions_1(self):
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self.build()
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target = self.dbg.CreateTarget(self.getBuildArtifact("a.out"))
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self.assertTrue(target, VALID_TARGET)
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lldbutil.run_to_source_breakpoint(self, "// Set break point at this line.", lldb.SBFileSpec("main.m"))
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self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
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substrs=['stopped', 'stop reason = breakpoint'])
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thread = self.dbg.GetSelectedTarget().GetProcess().GetSelectedThread()
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frame = thread.GetSelectedFrame()
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self.expect(
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'frame variable e1',
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substrs=[
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'(NSException *) e1 = ',
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'name: @"ExceptionName" - reason: @"SomeReason"'
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])
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self.expect(
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'frame variable --dynamic-type no-run-target *e1',
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substrs=[
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'(NSException) *e1 = ',
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'name = ', '@"ExceptionName"',
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'reason = ', '@"SomeReason"',
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'userInfo = ', '1 key/value pair',
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'reserved = ', 'nil',
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])
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e1 = frame.FindVariable("e1")
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self.assertTrue(e1)
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self.assertEqual(e1.type.name, "NSException *")
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self.assertEqual(e1.GetSummary(), 'name: @"ExceptionName" - reason: @"SomeReason"')
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self.assertEqual(e1.GetChildMemberWithName("name").description, "ExceptionName")
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self.assertEqual(e1.GetChildMemberWithName("reason").description, "SomeReason")
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userInfo = e1.GetChildMemberWithName("userInfo").dynamic
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self.assertEqual(userInfo.summary, "1 key/value pair")
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self.assertEqual(userInfo.GetChildAtIndex(0).GetChildAtIndex(0).description, "some_key")
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self.assertEqual(userInfo.GetChildAtIndex(0).GetChildAtIndex(1).description, "some_value")
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self.assertEqual(e1.GetChildMemberWithName("reserved").description, "<nil>")
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self.expect(
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'frame variable e2',
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substrs=[
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'(NSException *) e2 = ',
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'name: @"ThrownException" - reason: @"SomeReason"'
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])
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self.expect(
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'frame variable --dynamic-type no-run-target *e2',
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substrs=[
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'(NSException) *e2 = ',
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'name = ', '@"ThrownException"',
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'reason = ', '@"SomeReason"',
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'userInfo = ', '1 key/value pair',
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'reserved = ',
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])
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e2 = frame.FindVariable("e2")
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self.assertTrue(e2)
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self.assertEqual(e2.type.name, "NSException *")
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self.assertEqual(e2.GetSummary(), 'name: @"ThrownException" - reason: @"SomeReason"')
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self.assertEqual(e2.GetChildMemberWithName("name").description, "ThrownException")
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self.assertEqual(e2.GetChildMemberWithName("reason").description, "SomeReason")
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userInfo = e2.GetChildMemberWithName("userInfo").dynamic
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self.assertEqual(userInfo.summary, "1 key/value pair")
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self.assertEqual(userInfo.GetChildAtIndex(0).GetChildAtIndex(0).description, "some_key")
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self.assertEqual(userInfo.GetChildAtIndex(0).GetChildAtIndex(1).description, "some_value")
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self.assertGreater(e2.GetChildMemberWithName("reserved").dynamic.num_children, 0)
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