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from __future__ import print_function
from __future__ import absolute_import
# System modules
import os
# Third-party modules
# LLDB modules
import lldb
from .lldbtest import *
from . import configuration
from . import lldbutil
from .decorators import *
def source_type(filename):
_, extension = os.path.splitext(filename)
return {
'.c' : 'C_SOURCES',
'.cpp' : 'CXX_SOURCES',
'.cxx' : 'CXX_SOURCES',
'.cc' : 'CXX_SOURCES',
'.m' : 'OBJC_SOURCES',
'.mm' : 'OBJCXX_SOURCES'
}.get(extension, None)
class CommandParser:
def __init__(self):
self.breakpoints = []
def parse_one_command(self, line):
parts = line.split('//%')
command = None
new_breakpoint = True
if len(parts) == 2:
command = parts[1].strip() # take off whitespace
new_breakpoint = parts[0].strip() != ""
return (command, new_breakpoint)
def parse_source_files(self, source_files):
for source_file in source_files:
file_handle = open(source_file)
lines = file_handle.readlines()
line_number = 0
current_breakpoint = None # non-NULL means we're looking through whitespace to find additional commands
for line in lines:
line_number = line_number + 1 # 1-based, so we do this first
(command, new_breakpoint) = self.parse_one_command(line)
if new_breakpoint:
current_breakpoint = None
if command != None:
if current_breakpoint == None:
current_breakpoint = {}
current_breakpoint['file_name'] = source_file
current_breakpoint['line_number'] = line_number
current_breakpoint['command'] = command
self.breakpoints.append(current_breakpoint)
else:
current_breakpoint['command'] = current_breakpoint['command'] + "\n" + command
def set_breakpoints(self, target):
for breakpoint in self.breakpoints:
breakpoint['breakpoint'] = target.BreakpointCreateByLocation(breakpoint['file_name'], breakpoint['line_number'])
def handle_breakpoint(self, test, breakpoint_id):
for breakpoint in self.breakpoints:
if breakpoint['breakpoint'].GetID() == breakpoint_id:
test.execute_user_command(breakpoint['command'])
return
class InlineTest(TestBase):
# Internal implementation
def getRerunArgs(self):
# The -N option says to NOT run a if it matches the option argument, so
# if we are using dSYM we say to NOT run dwarf (-N dwarf) and vice versa.
if self.using_dsym is None:
# The test was skipped altogether.
return ""
elif self.using_dsym:
return "-N dwarf %s" % (self.mydir)
else:
return "-N dsym %s" % (self.mydir)
def BuildMakefile(self):
if os.path.exists("Makefile"):
return
categories = {}
for f in os.listdir(os.getcwd()):
t = source_type(f)
if t:
if t in list(categories.keys()):
categories[t].append(f)
else:
categories[t] = [f]
makefile = open("Makefile", 'w+')
level = os.sep.join([".."] * len(self.mydir.split(os.sep))) + os.sep + "make"
makefile.write("LEVEL = " + level + "\n")
for t in list(categories.keys()):
line = t + " := " + " ".join(categories[t])
makefile.write(line + "\n")
if ('OBJCXX_SOURCES' in list(categories.keys())) or ('OBJC_SOURCES' in list(categories.keys())):
makefile.write("LDFLAGS = $(CFLAGS) -lobjc -framework Foundation\n")
if ('CXX_SOURCES' in list(categories.keys())):
makefile.write("CXXFLAGS += -std=c++11\n")
makefile.write("include $(LEVEL)/Makefile.rules\n")
makefile.write("\ncleanup:\n\trm -f Makefile *.d\n\n")
makefile.flush()
makefile.close()
@skipUnlessDarwin
def __test_with_dsym(self):
self.using_dsym = True
self.BuildMakefile()
self.buildDsym()
self.do_test()
def __test_with_dwarf(self):
self.using_dsym = False
self.BuildMakefile()
self.buildDwarf()
self.do_test()
def __test_with_dwo(self):
self.using_dsym = False
self.BuildMakefile()
self.buildDwo()
self.do_test()
def __test_with_gmodules(self):
self.using_dsym = False
self.BuildMakefile()
self.buildGModules()
self.do_test()
def execute_user_command(self, __command):
exec(__command, globals(), locals())
def do_test(self):
exe_name = "a.out"
exe = os.path.join(os.getcwd(), exe_name)
source_files = [ f for f in os.listdir(os.getcwd()) if source_type(f) ]
target = self.dbg.CreateTarget(exe)
parser = CommandParser()
parser.parse_source_files(source_files)
parser.set_breakpoints(target)
process = target.LaunchSimple(None, None, os.getcwd())
while lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint):
thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint)
breakpoint_id = thread.GetStopReasonDataAtIndex (0)
parser.handle_breakpoint(self, breakpoint_id)
process.Continue()
# Utilities for testcases
def check_expression (self, expression, expected_result, use_summary = True):
value = self.frame().EvaluateExpression (expression)
self.assertTrue(value.IsValid(), expression+"returned a valid value")
if self.TraceOn():
print(value.GetSummary())
print(value.GetValue())
if use_summary:
answer = value.GetSummary()
else:
answer = value.GetValue()
report_str = "%s expected: %s got: %s"%(expression, expected_result, answer)
self.assertTrue(answer == expected_result, report_str)
def ApplyDecoratorsToFunction(func, decorators):
tmp = func
if type(decorators) == list:
for decorator in decorators:
tmp = decorator(tmp)
elif hasattr(decorators, '__call__'):
tmp = decorators(tmp)
return tmp
def MakeInlineTest(__file, __globals, decorators=None):
# Adjust the filename if it ends in .pyc. We want filenames to
# reflect the source python file, not the compiled variant.
if __file is not None and __file.endswith(".pyc"):
# Strip the trailing "c"
__file = __file[0:-1]
# Derive the test name from the current file name
file_basename = os.path.basename(__file)
InlineTest.mydir = TestBase.compute_mydir(__file)
test_name, _ = os.path.splitext(file_basename)
# Build the test case
test = type(test_name, (InlineTest,), {'using_dsym': None})
test.name = test_name
target_platform = lldb.DBG.GetSelectedPlatform().GetTriple().split('-')[2]
if test_categories.is_supported_on_platform("dsym", target_platform, configuration.compilers):
test.test_with_dsym = ApplyDecoratorsToFunction(test._InlineTest__test_with_dsym, decorators)
if test_categories.is_supported_on_platform("dwarf", target_platform, configuration.compilers):
test.test_with_dwarf = ApplyDecoratorsToFunction(test._InlineTest__test_with_dwarf, decorators)
if test_categories.is_supported_on_platform("dwo", target_platform, configuration.compilers):
test.test_with_dwo = ApplyDecoratorsToFunction(test._InlineTest__test_with_dwo, decorators)
if test_categories.is_supported_on_platform("gmodules", target_platform, configuration.compilers):
test.test_with_gmodules = ApplyDecoratorsToFunction(test._InlineTest__test_with_gmodules, decorators)
# Add the test case to the globals, and hide InlineTest
__globals.update({test_name : test})
# Keep track of the original test filename so we report it
# correctly in test results.
test.test_filename = __file
return test
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