forked from OSchip/llvm-project
77 lines
2.1 KiB
Python
77 lines
2.1 KiB
Python
"""
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Test that objective-c expression parser continues to work for optimized build.
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http://llvm.org/viewvc/llvm-project?rev=126973&view=rev
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Fixed a bug in the expression parser where the 'this'
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or 'self' variable was not properly read if the compiler
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optimized it into a register.
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"""
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from __future__ import print_function
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import os
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import time
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import lldb
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import re
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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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# rdar://problem/9087739
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# test failure: objc_optimized does not work for "-C clang -A i386"
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@skipUnlessDarwin
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class ObjcOptimizedTestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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myclass = "MyClass"
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mymethod = "description"
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method_spec = "-[%s %s]" % (myclass, mymethod)
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def test_break(self):
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"""Test 'expr member' continues to work for optimized build."""
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self.build()
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exe = os.path.join(os.getcwd(), "a.out")
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self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
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lldbutil.run_break_set_by_symbol(
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self,
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self.method_spec,
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num_expected_locations=1,
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sym_exact=True)
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self.runCmd("run", RUN_SUCCEEDED)
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self.expect(
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"thread backtrace",
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STOPPED_DUE_TO_BREAKPOINT,
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substrs=["stop reason = breakpoint"],
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patterns=[
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"frame.*0:.*%s %s" %
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(self.myclass,
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self.mymethod)])
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self.expect('expression member',
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startstr="(int) $0 = 5")
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# <rdar://problem/12693963>
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interp = self.dbg.GetCommandInterpreter()
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result = lldb.SBCommandReturnObject()
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interp.HandleCommand('frame variable self', result)
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output = result.GetOutput()
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desired_pointer = "0x0"
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mo = re.search("0x[0-9a-f]+", output)
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if mo:
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desired_pointer = mo.group(0)
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self.expect('expression (self)',
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substrs=[("(%s *) $1 = " % self.myclass), desired_pointer])
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self.expect('expression self->non_member', error=True,
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substrs=["does not have a member named 'non_member'"])
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