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This feature is controlled by an expression command option, a target property and the SBExpressionOptions setting. FixIt's are only applied to UserExpressions, not UtilityFunctions, those you have to get right when you make them. This is just a first stage. At present the fixits are applied silently. The next step is to tell the user about the applied fixit. <rdar://problem/25351938> llvm-svn: 264379
78 lines
2.5 KiB
Python
78 lines
2.5 KiB
Python
"""
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Test calling an expression with errors that a FixIt can fix.
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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 ExprCommandWithFixits(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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def setUp(self):
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# Call super's setUp().
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TestBase.setUp(self)
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self.main_source = "main.cpp"
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self.main_source_spec = lldb.SBFileSpec (self.main_source)
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@skipUnlessDarwin
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def test(self):
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"""Test calling a function that throws and ObjC exception."""
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self.build()
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self.try_expressions()
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def try_expressions(self):
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"""Test calling expressions with errors that can be fixed by the FixIts."""
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exe_name = "a.out"
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exe = os.path.join(os.getcwd(), exe_name)
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target = self.dbg.CreateTarget(exe)
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self.assertTrue(target, VALID_TARGET)
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breakpoint = target.BreakpointCreateBySourceRegex('Stop here to evaluate expressions',self.main_source_spec)
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self.assertTrue(breakpoint.GetNumLocations() > 0, VALID_BREAKPOINT)
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# Launch the process, and do not stop at the entry point.
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process = target.LaunchSimple (None, None, self.get_process_working_directory())
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self.assertTrue(process, PROCESS_IS_VALID)
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# Frame #0 should be at our breakpoint.
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threads = lldbutil.get_threads_stopped_at_breakpoint (process, breakpoint)
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self.assertTrue(len(threads) == 1)
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self.thread = threads[0]
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options = lldb.SBExpressionOptions()
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options.SetAutoApplyFixIts(True)
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frame = self.thread.GetFrameAtIndex(0)
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# Try with one error:
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value = frame.EvaluateExpression("my_pointer.first", options)
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self.assertTrue(value.IsValid())
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self.assertTrue(value.GetError().Success())
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self.assertTrue(value.GetValueAsUnsigned() == 10)
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# Try with two errors:
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two_error_expression = "my_pointer.second->a"
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value = frame.EvaluateExpression(two_error_expression, options)
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self.assertTrue(value.IsValid())
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self.assertTrue(value.GetError().Success())
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self.assertTrue(value.GetValueAsUnsigned() == 20)
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# Now turn off the fixits, and the expression should fail:
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options.SetAutoApplyFixIts(False)
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value = frame.EvaluateExpression("two_error_expression", options)
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self.assertTrue(value.IsValid())
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self.assertTrue(value.GetError().Fail())
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