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"""
Test the printing of anonymous and named namespace variables.
"""
from __future__ import print_function
import os, time
import lldb
from lldbsuite.test.lldbtest import *
import lldbsuite.test.lldbutil as lldbutil
class NamespaceTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line numbers for declarations of namespace variables i and j.
self.line_var_i = line_number('main.cpp',
'// Find the line number for anonymous namespace variable i.')
self.line_var_j = line_number('main.cpp',
'// Find the line number for named namespace variable j.')
# And the line number to break at.
self.line_break = line_number('main.cpp',
'// Set break point at this line.')
# Break inside do {} while and evaluate value
self.line_break_ns1 = line_number('main.cpp', '// Evaluate ns1::value')
self.line_break_ns2 = line_number('main.cpp', '// Evaluate ns2::value')
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'])
# rdar://problem/8668674
@expectedFailureWindows("llvm.org/pr24764")
def test_with_run_command(self):
"""Test that anonymous and named namespace variables display correctly."""
self.build()
self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line_break_ns1, num_expected_locations=1, loc_exact=True)
lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line_break_ns2, num_expected_locations=1, loc_exact=True)
lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line_break, num_expected_locations=1, loc_exact=True)
self.runToBkpt("run")
# Evaluate ns1::value
self.expect("expression -- value", startstr = "(int) $0 = 100")
self.runToBkpt("continue")
# Evaluate ns2::value
self.expect("expression -- value", startstr = "(int) $1 = 200")
self.runToBkpt("continue")
# On Mac OS X, gcc 4.2 emits the wrong debug info with respect to types.
slist = ['(int) a = 12', 'anon_uint', 'a_uint', 'b_uint', 'y_uint']
if self.platformIsDarwin() and self.getCompiler() in ['clang', 'llvm-gcc']:
slist = ['(int) a = 12',
'::my_uint_t', 'anon_uint = 0',
'(A::uint_t) a_uint = 1',
'(A::B::uint_t) b_uint = 2',
'(Y::uint_t) y_uint = 3']
# 'frame variable' displays the local variables with type information.
self.expect('frame variable', VARIABLES_DISPLAYED_CORRECTLY,
substrs = slist)
# 'frame variable' with basename 'i' should work.
self.expect("frame variable --show-declaration --show-globals i",
startstr = "main.cpp:%d: (int) (anonymous namespace)::i = 3" % self.line_var_i)
# main.cpp:12: (int) (anonymous namespace)::i = 3
# 'frame variable' with basename 'j' should work, too.
self.expect("frame variable --show-declaration --show-globals j",
startstr = "main.cpp:%d: (int) A::B::j = 4" % self.line_var_j)
# main.cpp:19: (int) A::B::j = 4
# 'frame variable' should support address-of operator.
self.runCmd("frame variable &i")
# 'frame variable' with fully qualified name 'A::B::j' should work.
self.expect("frame variable A::B::j", VARIABLES_DISPLAYED_CORRECTLY,
startstr = '(int) A::B::j = 4',
patterns = [' = 4'])
# So should the anonymous namespace case.
self.expect("frame variable '(anonymous namespace)::i'", VARIABLES_DISPLAYED_CORRECTLY,
startstr = '(int) (anonymous namespace)::i = 3',
patterns = [' = 3'])
# rdar://problem/8660275
# test/namespace: 'expression -- i+j' not working
# This has been fixed.
self.expect("expression -- i + j",
startstr = "(int) $2 = 7")
# (int) $2 = 7
self.runCmd("expression -- i")
self.runCmd("expression -- j")
# rdar://problem/8668674
# expression command with fully qualified namespace for a variable does not work
self.expect("expression -- ::i", VARIABLES_DISPLAYED_CORRECTLY,
patterns = [' = 3'])
self.expect("expression -- A::B::j", VARIABLES_DISPLAYED_CORRECTLY,
patterns = [' = 4'])
# expression command with function in anonymous namespace
self.expect("expression -- myanonfunc(3)",
patterns = [' = 6'])
# global namespace qualification with function in anonymous namespace
self.expect("expression -- ::myanonfunc(4)",
patterns = [' = 8'])
self.expect("p myanonfunc",
patterns = ['\(anonymous namespace\)::myanonfunc\(int\)'])
self.expect("p variadic_sum",
patterns = ['\(anonymous namespace\)::variadic_sum\(int, ...\)'])
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