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https://github.com/Gericom/teak-llvm.git
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2386537c24
Summary: When users define a debugger command from python, they provide a callable object. Because the signature of the function has been extended, LLDB needs to inspect the number of parameters the callable can take. The rule it was using to decide was weird, apparently not tested, and giving wrong results for some kinds of python callables. This patch replaces the weird rule with a simple one: if the callable can take 5 arguments, it gets the 5 argument version of the signature. Otherwise it gets the old 4 argument version. It also adds tests with a bunch of different kinds of python callables with both 4 and 5 arguments. Reviewers: JDevlieghere, clayborg, labath, jingham Reviewed By: labath Subscribers: lldb-commits Tags: #lldb Differential Revision: https://reviews.llvm.org/D69014 llvm-svn: 375333
169 lines
6.4 KiB
Python
169 lines
6.4 KiB
Python
"""
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Test lldb Python commands.
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"""
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from __future__ import print_function
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import sys
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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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class CmdPythonTestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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NO_DEBUG_INFO_TESTCASE = True
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def test(self):
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self.build()
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self.pycmd_tests()
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def pycmd_tests(self):
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self.runCmd("command source py_import")
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# Test a bunch of different kinds of python callables with
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# both 4 and 5 positional arguments.
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self.expect("foobar", substrs=["All good"])
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self.expect("foobar4", substrs=["All good"])
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self.expect("vfoobar", substrs=["All good"])
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self.expect("v5foobar", substrs=["All good"])
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self.expect("sfoobar", substrs=["All good"])
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self.expect("cfoobar", substrs=["All good"])
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self.expect("ifoobar", substrs=["All good"])
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self.expect("sfoobar4", substrs=["All good"])
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self.expect("cfoobar4", substrs=["All good"])
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self.expect("ifoobar4", substrs=["All good"])
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self.expect("ofoobar", substrs=["All good"])
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self.expect("ofoobar4", substrs=["All good"])
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# Verify command that specifies eCommandRequiresTarget returns failure
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# without a target.
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self.expect('targetname',
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substrs=['a.out'], matching=False, error=True)
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exe = self.getBuildArtifact("a.out")
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self.expect("file " + exe,
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patterns=["Current executable set to .*a.out"])
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self.expect('targetname',
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substrs=['a.out'], matching=True, error=False)
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# This is the function to remove the custom commands in order to have a
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# clean slate for the next test case.
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def cleanup():
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self.runCmd('command script delete welcome', check=False)
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self.runCmd('command script delete targetname', check=False)
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self.runCmd('command script delete longwait', check=False)
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self.runCmd('command script delete mysto', check=False)
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self.runCmd('command script delete tell_sync', check=False)
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self.runCmd('command script delete tell_async', check=False)
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self.runCmd('command script delete tell_curr', check=False)
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self.runCmd('command script delete bug11569', check=False)
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self.runCmd('command script delete takes_exe_ctx', check=False)
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self.runCmd('command script delete decorated', check=False)
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# Execute the cleanup function during test case tear down.
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self.addTearDownHook(cleanup)
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# Interact with debugger in synchronous mode
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self.setAsync(False)
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# We don't want to display the stdout if not in TraceOn() mode.
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if not self.TraceOn():
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self.HideStdout()
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self.expect('welcome Enrico',
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substrs=['Hello Enrico, welcome to LLDB'])
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self.expect("help welcome",
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substrs=['Just a docstring for welcome_impl',
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'A command that says hello to LLDB users'])
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decorated_commands = ["decorated" + str(n) for n in range(1, 5)]
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for name in decorated_commands:
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self.expect(name, substrs=["hello from " + name])
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self.expect("help " + name,
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substrs=["Python command defined by @lldb.command"])
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self.expect("help",
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substrs=['For more information run',
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'welcome'] + decorated_commands)
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self.expect("help -a",
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substrs=['For more information run',
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'welcome'] + decorated_commands)
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self.expect("help -u", matching=False,
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substrs=['For more information run'])
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self.runCmd("command script delete welcome")
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self.expect('welcome Enrico', matching=False, error=True,
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substrs=['Hello Enrico, welcome to LLDB'])
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self.expect('targetname fail', error=True,
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substrs=['a test for error in command'])
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self.expect('command script list',
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substrs=['targetname',
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'For more information run'])
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self.expect("help targetname",
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substrs=['Expects', '\'raw\'', 'input',
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'help', 'raw-input'])
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self.expect("longwait",
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substrs=['Done; if you saw the delays I am doing OK'])
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self.runCmd("b main")
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self.runCmd("run")
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self.runCmd("mysto 3")
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self.expect("frame variable array",
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substrs=['[0] = 79630', '[1] = 388785018', '[2] = 0'])
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self.runCmd("mysto 3")
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self.expect("frame variable array",
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substrs=['[0] = 79630', '[4] = 388785018', '[5] = 0'])
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# we cannot use the stepover command to check for async execution mode since LLDB
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# seems to get confused when events start to queue up
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self.expect("tell_sync",
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substrs=['running sync'])
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self.expect("tell_async",
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substrs=['running async'])
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self.expect("tell_curr",
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substrs=['I am running sync'])
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# check that the execution context is passed in to commands that ask for it
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self.expect("takes_exe_ctx", substrs=["a.out"])
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# Test that a python command can redefine itself
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self.expect('command script add -f foobar welcome -h "just some help"')
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self.runCmd("command script clear")
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# Test that re-defining an existing command works
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self.runCmd(
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'command script add my_command --class welcome.WelcomeCommand')
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self.expect('my_command Blah', substrs=['Hello Blah, welcome to LLDB'])
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self.runCmd(
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'command script add my_command --class welcome.TargetnameCommand')
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self.expect('my_command', substrs=['a.out'])
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self.runCmd("command script clear")
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self.expect('command script list', matching=False,
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substrs=['targetname',
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'longwait'])
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self.expect('command script add -f foobar frame', error=True,
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substrs=['cannot add command'])
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# http://llvm.org/bugs/show_bug.cgi?id=11569
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# LLDBSwigPythonCallCommand crashes when a command script returns an
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# object
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self.runCmd('command script add -f bug11569 bug11569')
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# This should not crash.
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self.runCmd('bug11569', check=False)
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