1from __future__ import print_function 2from __future__ import absolute_import 3 4# System modules 5import os 6 7# Third-party modules 8 9# LLDB modules 10import lldb 11from .lldbtest import * 12from . import configuration 13from . import lldbutil 14from .decorators import * 15 16 17def source_type(filename): 18 _, extension = os.path.splitext(filename) 19 return { 20 '.c': 'C_SOURCES', 21 '.cpp': 'CXX_SOURCES', 22 '.cxx': 'CXX_SOURCES', 23 '.cc': 'CXX_SOURCES', 24 '.m': 'OBJC_SOURCES', 25 '.mm': 'OBJCXX_SOURCES' 26 }.get(extension, None) 27 28 29class CommandParser: 30 31 def __init__(self): 32 self.breakpoints = [] 33 34 def parse_one_command(self, line): 35 parts = line.split('//%') 36 37 command = None 38 new_breakpoint = True 39 40 if len(parts) == 2: 41 command = parts[1].strip() # take off whitespace 42 new_breakpoint = parts[0].strip() != "" 43 44 return (command, new_breakpoint) 45 46 def parse_source_files(self, source_files): 47 for source_file in source_files: 48 file_handle = open(source_file) 49 lines = file_handle.readlines() 50 line_number = 0 51 # non-NULL means we're looking through whitespace to find 52 # additional commands 53 current_breakpoint = None 54 for line in lines: 55 line_number = line_number + 1 # 1-based, so we do this first 56 (command, new_breakpoint) = self.parse_one_command(line) 57 58 if new_breakpoint: 59 current_breakpoint = None 60 61 if command is not None: 62 if current_breakpoint is None: 63 current_breakpoint = {} 64 current_breakpoint['file_name'] = source_file 65 current_breakpoint['line_number'] = line_number 66 current_breakpoint['command'] = command 67 self.breakpoints.append(current_breakpoint) 68 else: 69 current_breakpoint['command'] = current_breakpoint[ 70 'command'] + "\n" + command 71 72 def set_breakpoints(self, target): 73 for breakpoint in self.breakpoints: 74 breakpoint['breakpoint'] = target.BreakpointCreateByLocation( 75 breakpoint['file_name'], breakpoint['line_number']) 76 77 def handle_breakpoint(self, test, breakpoint_id): 78 for breakpoint in self.breakpoints: 79 if breakpoint['breakpoint'].GetID() == breakpoint_id: 80 test.execute_user_command(breakpoint['command']) 81 return 82 83 84class InlineTest(TestBase): 85 # Internal implementation 86 87 def getRerunArgs(self): 88 # The -N option says to NOT run a if it matches the option argument, so 89 # if we are using dSYM we say to NOT run dwarf (-N dwarf) and vice 90 # versa. 91 if self.using_dsym is None: 92 # The test was skipped altogether. 93 return "" 94 elif self.using_dsym: 95 return "-N dwarf %s" % (self.mydir) 96 else: 97 return "-N dsym %s" % (self.mydir) 98 99 def BuildMakefile(self): 100 if os.path.exists("Makefile"): 101 return 102 103 categories = {} 104 105 for f in os.listdir(os.getcwd()): 106 t = source_type(f) 107 if t: 108 if t in list(categories.keys()): 109 categories[t].append(f) 110 else: 111 categories[t] = [f] 112 113 makefile = open("Makefile", 'w+') 114 115 level = os.sep.join( 116 [".."] * len(self.mydir.split(os.sep))) + os.sep + "make" 117 118 makefile.write("LEVEL = " + level + "\n") 119 120 for t in list(categories.keys()): 121 line = t + " := " + " ".join(categories[t]) 122 makefile.write(line + "\n") 123 124 if ('OBJCXX_SOURCES' in list(categories.keys())) or ( 125 'OBJC_SOURCES' in list(categories.keys())): 126 makefile.write( 127 "LDFLAGS = $(CFLAGS) -lobjc -framework Foundation\n") 128 129 if ('CXX_SOURCES' in list(categories.keys())): 130 makefile.write("CXXFLAGS += -std=c++11\n") 131 132 makefile.write("include $(LEVEL)/Makefile.rules\n") 133 makefile.write("\ncleanup:\n\trm -f Makefile *.d\n\n") 134 makefile.flush() 135 makefile.close() 136 137 @skipUnlessDarwin 138 def __test_with_dsym(self): 139 self.using_dsym = True 140 self.BuildMakefile() 141 self.buildDsym() 142 self.do_test() 143 144 def __test_with_dwarf(self): 145 self.using_dsym = False 146 self.BuildMakefile() 147 self.buildDwarf() 148 self.do_test() 149 150 def __test_with_dwo(self): 151 self.using_dsym = False 152 self.BuildMakefile() 153 self.buildDwo() 154 self.do_test() 155 156 def __test_with_gmodules(self): 157 self.using_dsym = False 158 self.BuildMakefile() 159 self.buildGModules() 160 self.do_test() 161 162 def execute_user_command(self, __command): 163 exec(__command, globals(), locals()) 164 165 def do_test(self): 166 exe_name = "a.out" 167 exe = os.path.join(os.getcwd(), exe_name) 168 source_files = [f for f in os.listdir(os.getcwd()) if source_type(f)] 169 target = self.dbg.CreateTarget(exe) 170 171 parser = CommandParser() 172 parser.parse_source_files(source_files) 173 parser.set_breakpoints(target) 174 175 process = target.LaunchSimple(None, None, os.getcwd()) 176 177 while lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint): 178 thread = lldbutil.get_stopped_thread( 179 process, lldb.eStopReasonBreakpoint) 180 breakpoint_id = thread.GetStopReasonDataAtIndex(0) 181 parser.handle_breakpoint(self, breakpoint_id) 182 process.Continue() 183 184 # Utilities for testcases 185 186 def check_expression(self, expression, expected_result, use_summary=True): 187 value = self.frame().EvaluateExpression(expression) 188 self.assertTrue(value.IsValid(), expression + "returned a valid value") 189 if self.TraceOn(): 190 print(value.GetSummary()) 191 print(value.GetValue()) 192 if use_summary: 193 answer = value.GetSummary() 194 else: 195 answer = value.GetValue() 196 report_str = "%s expected: %s got: %s" % ( 197 expression, expected_result, answer) 198 self.assertTrue(answer == expected_result, report_str) 199 200 201def ApplyDecoratorsToFunction(func, decorators): 202 tmp = func 203 if isinstance(decorators, list): 204 for decorator in decorators: 205 tmp = decorator(tmp) 206 elif hasattr(decorators, '__call__'): 207 tmp = decorators(tmp) 208 return tmp 209 210 211def MakeInlineTest(__file, __globals, decorators=None): 212 # Adjust the filename if it ends in .pyc. We want filenames to 213 # reflect the source python file, not the compiled variant. 214 if __file is not None and __file.endswith(".pyc"): 215 # Strip the trailing "c" 216 __file = __file[0:-1] 217 218 # Derive the test name from the current file name 219 file_basename = os.path.basename(__file) 220 InlineTest.mydir = TestBase.compute_mydir(__file) 221 222 test_name, _ = os.path.splitext(file_basename) 223 # Build the test case 224 test = type(test_name, (InlineTest,), {'using_dsym': None}) 225 test.name = test_name 226 227 target_platform = lldb.DBG.GetSelectedPlatform().GetTriple().split('-')[2] 228 if test_categories.is_supported_on_platform( 229 "dsym", target_platform, configuration.compilers): 230 test.test_with_dsym = ApplyDecoratorsToFunction( 231 test._InlineTest__test_with_dsym, decorators) 232 if test_categories.is_supported_on_platform( 233 "dwarf", target_platform, configuration.compilers): 234 test.test_with_dwarf = ApplyDecoratorsToFunction( 235 test._InlineTest__test_with_dwarf, decorators) 236 if test_categories.is_supported_on_platform( 237 "dwo", target_platform, configuration.compilers): 238 test.test_with_dwo = ApplyDecoratorsToFunction( 239 test._InlineTest__test_with_dwo, decorators) 240 if test_categories.is_supported_on_platform( 241 "gmodules", target_platform, configuration.compilers): 242 test.test_with_gmodules = ApplyDecoratorsToFunction( 243 test._InlineTest__test_with_gmodules, decorators) 244 245 # Add the test case to the globals, and hide InlineTest 246 __globals.update({test_name: test}) 247 248 # Keep track of the original test filename so we report it 249 # correctly in test results. 250 test.test_filename = __file 251 return test 252