""" Test lldb data formatter subsystem. """ from __future__ import print_function import os, time import lldb from lldbsuite.test.lldbtest import * import lldbsuite.test.lldbutil as lldbutil class CppDataFormatterTestCase(TestBase): mydir = TestBase.compute_mydir(__file__) def setUp(self): # Call super's setUp(). TestBase.setUp(self) # Find the line number to break at. self.line = line_number('main.cpp', '// Set break point at this line.') @expectedFailureWindows("llvm.org/pr24462") # Data formatters have problems on Windows def test_with_run_command(self): """Test that that file and class static 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, num_expected_locations=1, loc_exact=True) self.runCmd("run", RUN_SUCCEEDED) # The stop reason of the thread should be breakpoint. self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT, substrs = ['stopped', 'stop reason = breakpoint']) self.expect("frame variable", substrs = ['(Speed) SPILookHex = 5.55' # Speed by default is 5.55. ]); # This is the function to remove the custom formats in order to have a # clean slate for the next test case. def cleanup(): self.runCmd('type format clear', check=False) self.runCmd('type summary clear', check=False) # Execute the cleanup function during test case tear down. self.addTearDownHook(cleanup) self.runCmd("type format add -C yes -f x Speed BitField") self.runCmd("type format add -C no -f c RealNumber") self.runCmd("type format add -C no -f x Type2") self.runCmd("type format add -C yes -f c Type1") # The type format list should show our custom formats. self.expect("type format list", substrs = ['RealNumber', 'Speed', 'BitField', 'Type1', 'Type2']) self.expect("frame variable", patterns = ['\(Speed\) SPILookHex = 0x[0-9a-f]+' # Speed should look hex-ish now. ]); # gcc4.2 on Mac OS X skips typedef chains in the DWARF output if self.getCompiler() in ['clang', 'llvm-gcc']: self.expect("frame variable", patterns = ['\(SignalMask\) SMILookHex = 0x[0-9a-f]+' # SignalMask should look hex-ish now. ]); self.expect("frame variable", matching=False, patterns = ['\(Type4\) T4ILookChar = 0x[0-9a-f]+' # Type4 should NOT look hex-ish now. ]); # Now let's delete the 'Speed' custom format. self.runCmd("type format delete Speed") # The type format list should not show 'Speed' at this point. self.expect("type format list", matching=False, substrs = ['Speed']) # Delete type format for 'Speed', we should expect an error message. self.expect("type format delete Speed", error=True, substrs = ['no custom formatter for Speed']) self.runCmd("type summary add --summary-string \"arr = ${var%s}\" -x \"char \\[[0-9]+\\]\" -v") self.expect("frame variable strarr", substrs = ['arr = "Hello world!"']) self.runCmd("type summary clear") self.runCmd("type summary add --summary-string \"ptr = ${var%s}\" \"char *\" -v") self.expect("frame variable strptr", substrs = ['ptr = "Hello world!"']) self.runCmd("type summary add --summary-string \"arr = ${var%s}\" -x \"char \\[[0-9]+\\]\" -v") self.expect("frame variable strarr", substrs = ['arr = "Hello world!']) # check that rdar://problem/10011145 (Standard summary format for char[] doesn't work as the result of "expr".) is solved self.expect("p strarr", substrs = ['arr = "Hello world!']) self.expect("frame variable strptr", substrs = ['ptr = "Hello world!"']) self.expect("p strptr", substrs = ['ptr = "Hello world!"']) self.expect("p (char*)\"1234567890123456789012345678901234567890123456789012345678901234ABC\"", substrs = ['(char *) $', ' = ptr = ', ' "1234567890123456789012345678901234567890123456789012345678901234ABC"']) self.runCmd("type summary add -c Point") self.expect("frame variable iAmSomewhere", substrs = ['x = 4', 'y = 6']) self.expect("type summary list", substrs = ['Point', 'one-line']) self.runCmd("type summary add --summary-string \"y=${var.y%x}\" Point") self.expect("frame variable iAmSomewhere", substrs = ['y=0x']) self.runCmd("type summary add --summary-string \"y=${var.y},x=${var.x}\" Point") self.expect("frame variable iAmSomewhere", substrs = ['y=6', 'x=4']) self.runCmd("type summary add --summary-string \"hello\" Point -e") self.expect("type summary list", substrs = ['Point', 'show children']) self.expect("frame variable iAmSomewhere", substrs = ['hello', 'x = 4', '}']) self.runCmd("type summary add --summary-string \"Sign: ${var[31]%B} Exponent: ${var[23-30]%x} Mantissa: ${var[0-22]%u}\" ShowMyGuts") self.expect("frame variable cool_pointer->floating", substrs = ['Sign: true', 'Exponent: 0x', '80']) self.runCmd("type summary add --summary-string \"a test\" i_am_cool") self.expect("frame variable cool_pointer", substrs = ['a test']) self.runCmd("type summary add --summary-string \"a test\" i_am_cool --skip-pointers") self.expect("frame variable cool_pointer", substrs = ['a test'], matching = False) self.runCmd("type summary add --summary-string \"${var[1-3]}\" \"int [5]\"") self.expect("frame variable int_array", substrs = ['2', '3', '4']) self.runCmd("type summary clear") self.runCmd("type summary add --summary-string \"${var[0-2].integer}\" \"i_am_cool *\"") self.runCmd("type summary add --summary-string \"${var[2-4].integer}\" \"i_am_cool [5]\"") self.expect("frame variable cool_array", substrs = ['1,1,6']) self.expect("frame variable cool_pointer", substrs = ['3,0,0']) # test special symbols for formatting variables into summaries self.runCmd("type summary add --summary-string \"cool object @ ${var%L}\" i_am_cool") self.runCmd("type summary delete \"i_am_cool [5]\"") # this test might fail if the compiler tries to store # these values into registers.. hopefully this is not # going to be the case self.expect("frame variable cool_array", substrs = ['[0] = cool object @ 0x', '[1] = cool object @ 0x', '[2] = cool object @ 0x', '[3] = cool object @ 0x', '[4] = cool object @ 0x']) # test getting similar output by exploiting ${var} = 'type @ location' for aggregates self.runCmd("type summary add --summary-string \"${var}\" i_am_cool") # this test might fail if the compiler tries to store # these values into registers.. hopefully this is not # going to be the case self.expect("frame variable cool_array", substrs = ['[0] = i_am_cool @ 0x', '[1] = i_am_cool @ 0x', '[2] = i_am_cool @ 0x', '[3] = i_am_cool @ 0x', '[4] = i_am_cool @ 0x']) # test getting same output by exploiting %T and %L together for aggregates self.runCmd("type summary add --summary-string \"${var%T} @ ${var%L}\" i_am_cool") # this test might fail if the compiler tries to store # these values into registers.. hopefully this is not # going to be the case self.expect("frame variable cool_array", substrs = ['[0] = i_am_cool @ 0x', '[1] = i_am_cool @ 0x', '[2] = i_am_cool @ 0x', '[3] = i_am_cool @ 0x', '[4] = i_am_cool @ 0x']) self.runCmd("type summary add --summary-string \"goofy\" i_am_cool") self.runCmd("type summary add --summary-string \"${var.second_cool%S}\" i_am_cooler") self.expect("frame variable the_coolest_guy", substrs = ['(i_am_cooler) the_coolest_guy = goofy']) # check that unwanted type specifiers are removed self.runCmd("type summary delete i_am_cool") self.runCmd("type summary add --summary-string \"goofy\" \"class i_am_cool\"") self.expect("frame variable the_coolest_guy", substrs = ['(i_am_cooler) the_coolest_guy = goofy']) self.runCmd("type summary delete i_am_cool") self.runCmd("type summary add --summary-string \"goofy\" \"enum i_am_cool\"") self.expect("frame variable the_coolest_guy", substrs = ['(i_am_cooler) the_coolest_guy = goofy']) self.runCmd("type summary delete i_am_cool") self.runCmd("type summary add --summary-string \"goofy\" \"struct i_am_cool\"") self.expect("frame variable the_coolest_guy", substrs = ['(i_am_cooler) the_coolest_guy = goofy']) # many spaces, but we still do the right thing self.runCmd("type summary delete i_am_cool") self.runCmd("type summary add --summary-string \"goofy\" \"union i_am_cool\"") self.expect("frame variable the_coolest_guy", substrs = ['(i_am_cooler) the_coolest_guy = goofy']) # but that not *every* specifier is removed self.runCmd("type summary delete i_am_cool") self.runCmd("type summary add --summary-string \"goofy\" \"wrong i_am_cool\"") self.expect("frame variable the_coolest_guy", matching=False, substrs = ['(i_am_cooler) the_coolest_guy = goofy']) # check that formats are not sticking since that is the behavior we want self.expect("frame variable iAmInt --format hex", substrs = ['(int) iAmInt = 0x00000001']) self.expect("frame variable iAmInt", matching=False, substrs = ['(int) iAmInt = 0x00000001']) self.expect("frame variable iAmInt", substrs = ['(int) iAmInt = 1'])