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"""
Test the printing of anonymous and named namespace variables.
"""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class NamespaceBreakpointTestCase(TestBase):
@expectedFailureAll(bugnumber="llvm.org/pr28548", compiler="gcc")
@expectedFailureAll(oslist=["windows"])
def test_breakpoints_func_auto(self):
"""Test that we can set breakpoints correctly by basename to find all functions whose basename is "func"."""
self.build()
names = ["func()", "func(int)", "A::B::func()", "A::func()", "A::func(int)"]
# Create a target by the debugger.
exe = self.getBuildArtifact("a.out")
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
module_list = lldb.SBFileSpecList()
module_list.Append(lldb.SBFileSpec(exe, False))
cu_list = lldb.SBFileSpecList()
# Set a breakpoint by name "func" which should pick up all functions
# whose basename is "func"
bp = target.BreakpointCreateByName(
"func", lldb.eFunctionNameTypeAuto, module_list, cu_list
)
for bp_loc in bp:
name = bp_loc.GetAddress().GetFunction().GetName()
self.assertTrue(
name in names,
"make sure breakpoint locations are correct for 'func' with eFunctionNameTypeAuto",
)
@expectedFailureAll(bugnumber="llvm.org/pr28548", compiler="gcc")
def test_breakpoints_func_full(self):
"""Test that we can set breakpoints correctly by fullname to find all functions whose fully qualified name is "func"
(no namespaces)."""
self.build()
names = ["func()", "func(int)"]
# Create a target by the debugger.
exe = self.getBuildArtifact("a.out")
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
module_list = lldb.SBFileSpecList()
module_list.Append(lldb.SBFileSpec(exe, False))
cu_list = lldb.SBFileSpecList()
# Set a breakpoint by name "func" whose fullly qualified named matches "func" which
# should pick up only functions whose basename is "func" and has no
# containing context
bp = target.BreakpointCreateByName(
"func", lldb.eFunctionNameTypeFull, module_list, cu_list
)
for bp_loc in bp:
name = bp_loc.GetAddress().GetFunction().GetName()
self.assertTrue(
name in names,
"make sure breakpoint locations are correct for 'func' with eFunctionNameTypeFull",
)
def test_breakpoints_a_func_full(self):
"""Test that we can set breakpoints correctly by fullname to find all functions whose fully qualified name is "A::func"."""
self.build()
names = ["A::func()", "A::func(int)"]
# Create a target by the debugger.
exe = self.getBuildArtifact("a.out")
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
module_list = lldb.SBFileSpecList()
module_list.Append(lldb.SBFileSpec(exe, False))
cu_list = lldb.SBFileSpecList()
# Set a breakpoint by name "A::func" whose fullly qualified named matches "A::func" which
# should pick up only functions whose basename is "func" and is
# contained in the "A" namespace
bp = target.BreakpointCreateByName(
"A::func", lldb.eFunctionNameTypeFull, module_list, cu_list
)
for bp_loc in bp:
name = bp_loc.GetAddress().GetFunction().GetName()
self.assertTrue(
name in names,
"make sure breakpoint locations are correct for 'A::func' with eFunctionNameTypeFull",
)
class NamespaceTestCase(TestBase):
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
@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24764")
def test_with_run_command(self):
"""Test that anonymous and named namespace variables display correctly."""
self.build()
self.runCmd("file " + self.getBuildArtifact("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_expr("value", result_value="100")
self.runToBkpt("continue")
# Evaluate ns2::value
self.expect_expr("value", result_value="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_expr("i + j", result_type="int", result_value="7")
# (int) $2 = 7
self.expect_expr("i", result_value="3")
self.expect_expr("j", result_value="4")
# rdar://problem/8668674
# expression command with fully qualified namespace for a variable does
# not work
self.expect_expr("::i", result_value="3")
self.expect_expr("A::B::j", result_value="4")
# expression command with function in anonymous namespace
self.expect_expr("myanonfunc(3)", result_value="6")
# global namespace qualification with function in anonymous namespace
self.expect_expr("myanonfunc(4)", result_value="8")
self.expect(
"expression myanonfunc",
patterns=["\(anonymous namespace\)::myanonfunc\(int\)"],
)
self.expect(
"expression variadic_sum",
patterns=["\(anonymous namespace\)::variadic_sum\(int, ...\)"],
)
self.expect_expr("::B::Bar b; b.x()", result_type="int", result_value="42")
self.expect_expr("A::B::Bar b; b.y()", result_type="int", result_value="137")
self.expect_expr(
"::NS1::NS2::Foo{}.bar() == -2 && ::NS2::Foo{}.bar() == -3",
result_type="bool",
result_value="true",
)
# FIXME: C++ unqualified namespace lookups currently not supported when instantiating types.
self.expect_expr(
"NS2::Foo{}.bar() == -3", result_type="bool", result_value="false"
)
self.expect_expr(
"((::B::Bar*)&::B::bar)->x()", result_type="int", result_value="42"
)
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