1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
|
"""
Test the printing of anonymous and named namespace variables.
"""
from __future__ import print_function
import os, time
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class NamespaceLookupTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Break inside different scopes and evaluate value
self.line_break_global_scope = line_number('ns.cpp', '// BP_global_scope')
self.line_break_file_scope = line_number('ns2.cpp', '// BP_file_scope')
self.line_break_ns_scope = line_number('ns2.cpp', '// BP_ns_scope')
self.line_break_nested_ns_scope = line_number('ns2.cpp', '// BP_nested_ns_scope')
self.line_break_nested_ns_scope_after_using = line_number('ns2.cpp', '// BP_nested_ns_scope_after_using')
self.line_break_before_using_directive = line_number('ns3.cpp', '// BP_before_using_directive')
self.line_break_after_using_directive = line_number('ns3.cpp', '// BP_after_using_directive')
def runToBkpt(self, command):
self.runCmd(command, RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
substrs = ['stopped',
'stop reason = breakpoint'])
@expectedFailureAll(oslist=["windows", "linux", "freebsd"], bugnumber="llvm.org/pr25819")
def test_scope_lookup_with_run_command(self):
"""Test scope lookup of functions in lldb."""
self.build()
self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line (self, "ns.cpp", self.line_break_global_scope, num_expected_locations=1, loc_exact=False)
lldbutil.run_break_set_by_file_and_line (self, "ns2.cpp", self.line_break_ns_scope, num_expected_locations=1, loc_exact=False)
lldbutil.run_break_set_by_file_and_line (self, "ns2.cpp", self.line_break_nested_ns_scope, num_expected_locations=1, loc_exact=False)
lldbutil.run_break_set_by_file_and_line (self, "ns2.cpp", self.line_break_nested_ns_scope_after_using, num_expected_locations=1, loc_exact=False)
lldbutil.run_break_set_by_file_and_line (self, "ns3.cpp", self.line_break_before_using_directive, num_expected_locations=1, loc_exact=False)
lldbutil.run_break_set_by_file_and_line (self, "ns3.cpp", self.line_break_after_using_directive, num_expected_locations=1, loc_exact=False)
# Run to BP_global_scope at global scope
self.runToBkpt("run")
# Evaluate func() - should call ::func()
self.expect("expr -- func()", startstr = "(int) $0 = 1")
# Evaluate A::B::func() - should call A::B::func()
self.expect("expr -- A::B::func()", startstr = "(int) $1 = 4")
# Evaluate func(10) - should call ::func(int)
self.expect("expr -- func(10)", startstr = "(int) $2 = 11")
# Evaluate ::func() - should call A::func()
self.expect("expr -- ::func()", startstr = "(int) $3 = 1")
# Evaluate A::foo() - should call A::foo()
self.expect("expr -- A::foo()", startstr = "(int) $4 = 42")
# Continue to BP_ns_scope at ns scope
self.runToBkpt("continue")
# Evaluate func(10) - should call A::func(int)
self.expect("expr -- func(10)", startstr = "(int) $5 = 13")
# Evaluate B::func() - should call B::func()
self.expect("expr -- B::func()", startstr = "(int) $6 = 4")
# Evaluate func() - should call A::func()
self.expect("expr -- func()", startstr = "(int) $7 = 3")
# Continue to BP_nested_ns_scope at nested ns scope
self.runToBkpt("continue")
# Evaluate func() - should call A::B::func()
self.expect("expr -- func()", startstr = "(int) $8 = 4")
# Evaluate A::func() - should call A::func()
self.expect("expr -- A::func()", startstr = "(int) $9 = 3")
# Evaluate func(10) - should call A::func(10)
# NOTE: Under the rules of C++, this test would normally get an error
# because A::B::func() hides A::func(), but lldb intentionally
# disobeys these rules so that the intended overload can be found
# by only removing duplicates if they have the same type.
self.expect("expr -- func(10)", startstr = "(int) $10 = 13")
# Continue to BP_nested_ns_scope_after_using at nested ns scope after using declaration
self.runToBkpt("continue")
# Evaluate A::func(10) - should call A::func(int)
self.expect("expr -- A::func(10)", startstr = "(int) $11 = 13")
# Continue to BP_before_using_directive at global scope before using declaration
self.runToBkpt("continue")
# Evaluate ::func() - should call ::func()
self.expect("expr -- ::func()", startstr = "(int) $12 = 1")
# Evaluate B::func() - should call B::func()
self.expect("expr -- B::func()", startstr = "(int) $13 = 4")
# Continue to BP_after_using_directive at global scope after using declaration
self.runToBkpt("continue")
# Evaluate ::func() - should call ::func()
self.expect("expr -- ::func()", startstr = "(int) $14 = 1")
# Evaluate B::func() - should call B::func()
self.expect("expr -- B::func()", startstr = "(int) $15 = 4")
@unittest2.expectedFailure("lldb scope lookup of functions bugs")
def test_function_scope_lookup_with_run_command(self):
"""Test scope lookup of functions in lldb."""
self.build()
self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line (self, "ns.cpp", self.line_break_global_scope, num_expected_locations=1, loc_exact=False)
lldbutil.run_break_set_by_file_and_line (self, "ns2.cpp", self.line_break_ns_scope, num_expected_locations=1, loc_exact=False)
# Run to BP_global_scope at global scope
self.runToBkpt("run")
# Evaluate foo() - should call ::foo()
# FIXME: lldb finds Y::foo because lookup for variables is done
# before functions.
self.expect("expr -- foo()", startstr = "(int) $0 = 42")
# Evaluate ::foo() - should call ::foo()
# FIXME: lldb finds Y::foo because lookup for variables is done
# before functions and :: is ignored.
self.expect("expr -- ::foo()", startstr = "(int) $1 = 42")
# Continue to BP_ns_scope at ns scope
self.runToBkpt("continue")
# Evaluate foo() - should call A::foo()
# FIXME: lldb finds Y::foo because lookup for variables is done
# before functions.
self.expect("expr -- foo()", startstr = "(int) $2 = 42")
@unittest2.expectedFailure("lldb file scope lookup bugs")
def test_file_scope_lookup_with_run_command(self):
"""Test file scope lookup in lldb."""
self.build()
self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line (self, "ns2.cpp", self.line_break_file_scope, num_expected_locations=1, loc_exact=False)
# Run to BP_file_scope at file scope
self.runToBkpt("run")
# Evaluate func() - should call static ns2.cpp:func()
# FIXME: This test fails because lldb doesn't know about file scopes so
# finds the global ::func().
self.expect("expr -- func()", startstr = "(int) $0 = 2")
@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr25819")
def test_scope_lookup_before_using_with_run_command(self):
"""Test scope lookup before using in lldb."""
self.build()
self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line (self, "ns3.cpp", self.line_break_before_using_directive, num_expected_locations=1, loc_exact=False)
# Run to BP_before_using_directive at global scope before using declaration
self.runToBkpt("run")
# Evaluate func() - should call ::func()
self.expect("expr -- func()", startstr = "(int) $0 = 1")
# NOTE: this test may fail on older systems that don't emit import
# entries in DWARF - may need to add checks for compiler versions here.
@skipIf(compiler="gcc", oslist=["linux"], debug_info=["dwo"]) # Skip to avoid crash
@expectedFailureAll(oslist=["windows", "linux", "freebsd"], bugnumber="llvm.org/pr25819")
def test_scope_after_using_directive_lookup_with_run_command(self):
"""Test scope lookup after using directive in lldb."""
self.build()
self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line (self, "ns3.cpp", self.line_break_after_using_directive, num_expected_locations=1, loc_exact=False)
# Run to BP_after_using_directive at global scope after using declaration
self.runToBkpt("run")
# Evaluate func2() - should call A::func2()
self.expect("expr -- func2()", startstr = "(int) $0 = 3")
@unittest2.expectedFailure("lldb scope lookup after using declaration bugs")
# NOTE: this test may fail on older systems that don't emit import
# emtries in DWARF - may need to add checks for compiler versions here.
def test_scope_after_using_declaration_lookup_with_run_command(self):
"""Test scope lookup after using declaration in lldb."""
self.build()
self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line (self, "ns2.cpp", self.line_break_nested_ns_scope_after_using, num_expected_locations=1, loc_exact=False)
# Run to BP_nested_ns_scope_after_using at nested ns scope after using declaration
self.runToBkpt("run")
# Evaluate func() - should call A::func()
self.expect("expr -- func()", startstr = "(int) $0 = 3")
@unittest2.expectedFailure("lldb scope lookup ambiguity after using bugs")
def test_scope_ambiguity_after_using_lookup_with_run_command(self):
"""Test scope lookup ambiguity after using in lldb."""
self.build()
self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line (self, "ns3.cpp", self.line_break_after_using_directive, num_expected_locations=1, loc_exact=False)
# Run to BP_after_using_directive at global scope after using declaration
self.runToBkpt("run")
# Evaluate func() - should get error: ambiguous
# FIXME: This test fails because lldb removes duplicates if they have
# the same type.
self.expect("expr -- func()", startstr = "error")
@expectedFailureAll(oslist=["windows", "linux", "freebsd"], bugnumber="llvm.org/pr25819")
def test_scope_lookup_shadowed_by_using_with_run_command(self):
"""Test scope lookup shadowed by using in lldb."""
self.build()
self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line (self, "ns2.cpp", self.line_break_nested_ns_scope, num_expected_locations=1, loc_exact=False)
# Run to BP_nested_ns_scope at nested ns scope
self.runToBkpt("run")
# Evaluate func(10) - should call A::func(10)
# NOTE: Under the rules of C++, this test would normally get an error
# because A::B::func() shadows A::func(), but lldb intentionally
# disobeys these rules so that the intended overload can be found
# by only removing duplicates if they have the same type.
self.expect("expr -- func(10)", startstr = "(int) $0 = 13")
|
