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*** two obvious implications:
Firstly, merging this particular commit into a downstream fork may be a huge
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performing the same reformatting operation locally, and then discarding the
merge for this particular commit. The commands used to accomplish this
reformatting were as follows (with current working directory as the root of
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find . \( -iname "*.c" -or -iname "*.cpp" -or -iname "*.h" -or -iname "*.mm" \) -exec clang-format -i {} +
find . -iname "*.py" -exec autopep8 --in-place --aggressive --aggressive {} + ;
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llvm-svn: 280751
325 lines
12 KiB
Python
325 lines
12 KiB
Python
"""
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Test the printing of anonymous and named namespace variables.
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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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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 NamespaceLookupTestCase(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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# Break inside different scopes and evaluate value
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self.line_break_global_scope = line_number(
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'ns.cpp', '// BP_global_scope')
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self.line_break_file_scope = line_number('ns2.cpp', '// BP_file_scope')
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self.line_break_ns_scope = line_number('ns2.cpp', '// BP_ns_scope')
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self.line_break_nested_ns_scope = line_number(
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'ns2.cpp', '// BP_nested_ns_scope')
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self.line_break_nested_ns_scope_after_using = line_number(
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'ns2.cpp', '// BP_nested_ns_scope_after_using')
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self.line_break_before_using_directive = line_number(
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'ns3.cpp', '// BP_before_using_directive')
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self.line_break_after_using_directive = line_number(
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'ns3.cpp', '// BP_after_using_directive')
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def runToBkpt(self, command):
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self.runCmd(command, RUN_SUCCEEDED)
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# The stop reason of the thread should be breakpoint.
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self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
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substrs=['stopped',
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'stop reason = breakpoint'])
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@expectedFailureAll(
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oslist=[
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"windows",
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"linux",
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"freebsd"],
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bugnumber="llvm.org/pr25819")
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def test_scope_lookup_with_run_command(self):
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"""Test scope lookup of functions in lldb."""
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self.build()
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self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
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lldbutil.run_break_set_by_file_and_line(
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self,
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"ns.cpp",
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self.line_break_global_scope,
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num_expected_locations=1,
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loc_exact=False)
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lldbutil.run_break_set_by_file_and_line(
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self,
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"ns2.cpp",
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self.line_break_ns_scope,
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num_expected_locations=1,
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loc_exact=False)
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lldbutil.run_break_set_by_file_and_line(
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self,
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"ns2.cpp",
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self.line_break_nested_ns_scope,
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num_expected_locations=1,
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loc_exact=False)
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lldbutil.run_break_set_by_file_and_line(
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self,
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"ns2.cpp",
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self.line_break_nested_ns_scope_after_using,
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num_expected_locations=1,
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loc_exact=False)
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lldbutil.run_break_set_by_file_and_line(
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self,
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"ns3.cpp",
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self.line_break_before_using_directive,
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num_expected_locations=1,
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loc_exact=False)
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lldbutil.run_break_set_by_file_and_line(
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self,
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"ns3.cpp",
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self.line_break_after_using_directive,
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num_expected_locations=1,
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loc_exact=False)
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# Run to BP_global_scope at global scope
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self.runToBkpt("run")
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# Evaluate func() - should call ::func()
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self.expect("expr -- func()", startstr="(int) $0 = 1")
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# Evaluate A::B::func() - should call A::B::func()
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self.expect("expr -- A::B::func()", startstr="(int) $1 = 4")
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# Evaluate func(10) - should call ::func(int)
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self.expect("expr -- func(10)", startstr="(int) $2 = 11")
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# Evaluate ::func() - should call A::func()
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self.expect("expr -- ::func()", startstr="(int) $3 = 1")
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# Evaluate A::foo() - should call A::foo()
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self.expect("expr -- A::foo()", startstr="(int) $4 = 42")
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# Continue to BP_ns_scope at ns scope
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self.runToBkpt("continue")
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# Evaluate func(10) - should call A::func(int)
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self.expect("expr -- func(10)", startstr="(int) $5 = 13")
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# Evaluate B::func() - should call B::func()
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self.expect("expr -- B::func()", startstr="(int) $6 = 4")
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# Evaluate func() - should call A::func()
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self.expect("expr -- func()", startstr="(int) $7 = 3")
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# Continue to BP_nested_ns_scope at nested ns scope
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self.runToBkpt("continue")
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# Evaluate func() - should call A::B::func()
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self.expect("expr -- func()", startstr="(int) $8 = 4")
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# Evaluate A::func() - should call A::func()
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self.expect("expr -- A::func()", startstr="(int) $9 = 3")
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# Evaluate func(10) - should call A::func(10)
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# NOTE: Under the rules of C++, this test would normally get an error
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# because A::B::func() hides A::func(), but lldb intentionally
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# disobeys these rules so that the intended overload can be found
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# by only removing duplicates if they have the same type.
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self.expect("expr -- func(10)", startstr="(int) $10 = 13")
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# Continue to BP_nested_ns_scope_after_using at nested ns scope after
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# using declaration
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self.runToBkpt("continue")
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# Evaluate A::func(10) - should call A::func(int)
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self.expect("expr -- A::func(10)", startstr="(int) $11 = 13")
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# Continue to BP_before_using_directive at global scope before using
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# declaration
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self.runToBkpt("continue")
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# Evaluate ::func() - should call ::func()
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self.expect("expr -- ::func()", startstr="(int) $12 = 1")
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# Evaluate B::func() - should call B::func()
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self.expect("expr -- B::func()", startstr="(int) $13 = 4")
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# Continue to BP_after_using_directive at global scope after using
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# declaration
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self.runToBkpt("continue")
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# Evaluate ::func() - should call ::func()
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self.expect("expr -- ::func()", startstr="(int) $14 = 1")
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# Evaluate B::func() - should call B::func()
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self.expect("expr -- B::func()", startstr="(int) $15 = 4")
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@unittest2.expectedFailure("lldb scope lookup of functions bugs")
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def test_function_scope_lookup_with_run_command(self):
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"""Test scope lookup of functions in lldb."""
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self.build()
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self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
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lldbutil.run_break_set_by_file_and_line(
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self,
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"ns.cpp",
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self.line_break_global_scope,
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num_expected_locations=1,
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loc_exact=False)
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lldbutil.run_break_set_by_file_and_line(
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self,
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"ns2.cpp",
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self.line_break_ns_scope,
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num_expected_locations=1,
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loc_exact=False)
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# Run to BP_global_scope at global scope
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self.runToBkpt("run")
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# Evaluate foo() - should call ::foo()
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# FIXME: lldb finds Y::foo because lookup for variables is done
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# before functions.
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self.expect("expr -- foo()", startstr="(int) $0 = 42")
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# Evaluate ::foo() - should call ::foo()
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# FIXME: lldb finds Y::foo because lookup for variables is done
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# before functions and :: is ignored.
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self.expect("expr -- ::foo()", startstr="(int) $1 = 42")
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# Continue to BP_ns_scope at ns scope
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self.runToBkpt("continue")
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# Evaluate foo() - should call A::foo()
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# FIXME: lldb finds Y::foo because lookup for variables is done
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# before functions.
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self.expect("expr -- foo()", startstr="(int) $2 = 42")
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@unittest2.expectedFailure("lldb file scope lookup bugs")
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def test_file_scope_lookup_with_run_command(self):
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"""Test file scope lookup in lldb."""
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self.build()
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self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
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lldbutil.run_break_set_by_file_and_line(
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self,
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"ns2.cpp",
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self.line_break_file_scope,
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num_expected_locations=1,
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loc_exact=False)
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# Run to BP_file_scope at file scope
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self.runToBkpt("run")
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# Evaluate func() - should call static ns2.cpp:func()
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# FIXME: This test fails because lldb doesn't know about file scopes so
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# finds the global ::func().
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self.expect("expr -- func()", startstr="(int) $0 = 2")
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@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr25819")
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def test_scope_lookup_before_using_with_run_command(self):
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"""Test scope lookup before using in lldb."""
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self.build()
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self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
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lldbutil.run_break_set_by_file_and_line(
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self,
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"ns3.cpp",
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self.line_break_before_using_directive,
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num_expected_locations=1,
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loc_exact=False)
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# Run to BP_before_using_directive at global scope before using
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# declaration
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self.runToBkpt("run")
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# Evaluate func() - should call ::func()
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self.expect("expr -- func()", startstr="(int) $0 = 1")
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# NOTE: this test may fail on older systems that don't emit import
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# entries in DWARF - may need to add checks for compiler versions here.
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@skipIf(
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compiler="gcc",
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oslist=["linux"],
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debug_info=["dwo"]) # Skip to avoid crash
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@expectedFailureAll(
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oslist=[
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"windows",
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"linux",
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"freebsd"],
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bugnumber="llvm.org/pr25819")
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def test_scope_after_using_directive_lookup_with_run_command(self):
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"""Test scope lookup after using directive in lldb."""
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self.build()
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self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
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lldbutil.run_break_set_by_file_and_line(
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self,
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"ns3.cpp",
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self.line_break_after_using_directive,
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num_expected_locations=1,
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loc_exact=False)
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# Run to BP_after_using_directive at global scope after using
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# declaration
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self.runToBkpt("run")
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# Evaluate func2() - should call A::func2()
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self.expect("expr -- func2()", startstr="(int) $0 = 3")
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@unittest2.expectedFailure(
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"lldb scope lookup after using declaration bugs")
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# NOTE: this test may fail on older systems that don't emit import
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# emtries in DWARF - may need to add checks for compiler versions here.
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def test_scope_after_using_declaration_lookup_with_run_command(self):
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"""Test scope lookup after using declaration in lldb."""
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self.build()
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self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
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lldbutil.run_break_set_by_file_and_line(
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self,
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"ns2.cpp",
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self.line_break_nested_ns_scope_after_using,
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num_expected_locations=1,
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loc_exact=False)
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# Run to BP_nested_ns_scope_after_using at nested ns scope after using
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# declaration
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self.runToBkpt("run")
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# Evaluate func() - should call A::func()
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self.expect("expr -- func()", startstr="(int) $0 = 3")
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@unittest2.expectedFailure("lldb scope lookup ambiguity after using bugs")
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def test_scope_ambiguity_after_using_lookup_with_run_command(self):
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"""Test scope lookup ambiguity after using in lldb."""
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self.build()
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self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
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lldbutil.run_break_set_by_file_and_line(
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self,
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"ns3.cpp",
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self.line_break_after_using_directive,
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num_expected_locations=1,
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loc_exact=False)
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# Run to BP_after_using_directive at global scope after using
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# declaration
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self.runToBkpt("run")
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# Evaluate func() - should get error: ambiguous
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# FIXME: This test fails because lldb removes duplicates if they have
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# the same type.
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self.expect("expr -- func()", startstr="error")
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@expectedFailureAll(
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oslist=[
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"windows",
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"linux",
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"freebsd"],
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bugnumber="llvm.org/pr25819")
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def test_scope_lookup_shadowed_by_using_with_run_command(self):
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"""Test scope lookup shadowed by using in lldb."""
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self.build()
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self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
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lldbutil.run_break_set_by_file_and_line(
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self,
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"ns2.cpp",
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self.line_break_nested_ns_scope,
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num_expected_locations=1,
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loc_exact=False)
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# Run to BP_nested_ns_scope at nested ns scope
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self.runToBkpt("run")
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# Evaluate func(10) - should call A::func(10)
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# NOTE: Under the rules of C++, this test would normally get an error
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# because A::B::func() shadows A::func(), but lldb intentionally
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# disobeys these rules so that the intended overload can be found
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# by only removing duplicates if they have the same type.
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self.expect("expr -- func(10)", startstr="(int) $0 = 13")
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