| """ |
| Test SBType and SBTypeList API. |
| """ |
| |
| from __future__ import print_function |
| |
| |
| |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class TypeAndTypeListTestCase(TestBase): |
| |
| mydir = TestBase.compute_mydir(__file__) |
| |
| def setUp(self): |
| # Call super's setUp(). |
| TestBase.setUp(self) |
| # We'll use the test method name as the exe_name. |
| self.exe_name = self.testMethodName |
| # Find the line number to break at. |
| self.source = 'main.cpp' |
| self.line = line_number(self.source, '// Break at this line') |
| |
| @add_test_categories(['pyapi']) |
| def test(self): |
| """Exercise SBType and SBTypeList API.""" |
| d = {'EXE': self.exe_name} |
| self.build(dictionary=d) |
| self.setTearDownCleanup(dictionary=d) |
| exe = self.getBuildArtifact(self.exe_name) |
| |
| # Create a target by the debugger. |
| target = self.dbg.CreateTarget(exe) |
| self.assertTrue(target, VALID_TARGET) |
| |
| # Create the breakpoint inside function 'main'. |
| breakpoint = target.BreakpointCreateByLocation(self.source, self.line) |
| self.assertTrue(breakpoint, VALID_BREAKPOINT) |
| |
| # Now launch the process, and do not stop at entry point. |
| process = target.LaunchSimple( |
| None, None, self.get_process_working_directory()) |
| self.assertTrue(process, PROCESS_IS_VALID) |
| |
| # Get Frame #0. |
| self.assertEqual(process.GetState(), lldb.eStateStopped) |
| thread = lldbutil.get_stopped_thread( |
| process, lldb.eStopReasonBreakpoint) |
| self.assertTrue( |
| thread.IsValid(), |
| "There should be a thread stopped due to breakpoint condition") |
| frame0 = thread.GetFrameAtIndex(0) |
| |
| # Get the type 'Task'. |
| type_list = target.FindTypes('Task') |
| if self.TraceOn(): |
| print( |
| "Size of type_list from target.FindTypes('Task') query: %d" % |
| type_list.GetSize()) |
| # a second Task make be scared up by the Objective-C runtime |
| self.assertTrue(len(type_list) >= 1) |
| for type in type_list: |
| self.assertTrue(type) |
| self.DebugSBType(type) |
| self.assertFalse(type.IsAnonymousType(), "Task is not anonymous") |
| for field in type.fields: |
| if field.name == "type": |
| for enum_member in field.type.enum_members: |
| self.assertTrue(enum_member) |
| self.DebugSBType(enum_member.type) |
| elif field.name == "my_type_is_nameless": |
| self.assertFalse( |
| field.type.IsAnonymousType(), |
| "my_type_is_nameless is not an anonymous type") |
| elif field.name == "my_type_is_named": |
| self.assertFalse( |
| field.type.IsAnonymousType(), |
| "my_type_is_named has a named type") |
| elif field.name == None: |
| self.assertTrue( |
| field.type.IsAnonymousType(), |
| "Nameless type is not anonymous") |
| |
| # Pass an empty string. LLDB should not crash. :-) |
| fuzz_types = target.FindTypes(None) |
| fuzz_type = target.FindFirstType(None) |
| |
| # Now use the SBTarget.FindFirstType() API to find 'Task'. |
| task_type = target.FindFirstType('Task') |
| self.assertTrue(task_type) |
| self.DebugSBType(task_type) |
| |
| # Get the reference type of 'Task', just for fun. |
| task_ref_type = task_type.GetReferenceType() |
| self.assertTrue(task_ref_type) |
| self.DebugSBType(task_ref_type) |
| |
| # Get the pointer type of 'Task', which is the same as task_head's |
| # type. |
| task_pointer_type = task_type.GetPointerType() |
| self.assertTrue(task_pointer_type) |
| self.DebugSBType(task_pointer_type) |
| |
| # Get variable 'task_head'. |
| task_head = frame0.FindVariable('task_head') |
| self.assertTrue(task_head, VALID_VARIABLE) |
| self.DebugSBValue(task_head) |
| task_head_type = task_head.GetType() |
| self.DebugSBType(task_head_type) |
| self.assertTrue(task_head_type.IsPointerType()) |
| |
| self.assertEqual(task_head_type, task_pointer_type) |
| |
| # Get the pointee type of 'task_head'. |
| task_head_pointee_type = task_head_type.GetPointeeType() |
| self.DebugSBType(task_head_pointee_type) |
| |
| self.assertEqual(task_type, task_head_pointee_type) |
| |
| # We'll now get the child member 'id' from 'task_head'. |
| id = task_head.GetChildMemberWithName('id') |
| self.DebugSBValue(id) |
| id_type = id.GetType() |
| self.DebugSBType(id_type) |
| |
| # SBType.GetBasicType() takes an enum 'BasicType' |
| # (lldb-enumerations.h). |
| int_type = id_type.GetBasicType(lldb.eBasicTypeInt) |
| self.assertEqual(id_type, int_type) |
| |
| # Find 'myint_arr' and check the array element type. |
| myint_arr = frame0.FindVariable('myint_arr') |
| self.assertTrue(myint_arr, VALID_VARIABLE) |
| self.DebugSBValue(myint_arr) |
| myint_arr_type = myint_arr.GetType() |
| self.DebugSBType(myint_arr_type) |
| self.assertTrue(myint_arr_type.IsArrayType()) |
| myint_arr_element_type = myint_arr_type.GetArrayElementType() |
| self.DebugSBType(myint_arr_element_type) |
| myint_type = target.FindFirstType('myint') |
| self.DebugSBType(myint_type) |
| self.assertEqual(myint_arr_element_type, myint_type) |
| |
| # Test enum methods. Requires DW_AT_enum_class which was added in Dwarf 4. |
| if configuration.dwarf_version >= 4: |
| enum_type = target.FindFirstType('EnumType') |
| self.assertTrue(enum_type) |
| self.DebugSBType(enum_type) |
| self.assertFalse(enum_type.IsScopedEnumerationType()) |
| |
| scoped_enum_type = target.FindFirstType('ScopedEnumType') |
| self.assertTrue(scoped_enum_type) |
| self.DebugSBType(scoped_enum_type) |
| self.assertTrue(scoped_enum_type.IsScopedEnumerationType()) |
| int_scoped_enum_type = scoped_enum_type.GetEnumerationIntegerType() |
| self.assertTrue(int_scoped_enum_type) |
| self.DebugSBType(int_scoped_enum_type) |
| self.assertEquals(int_scoped_enum_type.GetName(), 'int') |
| |
| enum_uchar = target.FindFirstType('EnumUChar') |
| self.assertTrue(enum_uchar) |
| self.DebugSBType(enum_uchar) |
| int_enum_uchar = enum_uchar.GetEnumerationIntegerType() |
| self.assertTrue(int_enum_uchar) |
| self.DebugSBType(int_enum_uchar) |
| self.assertEquals(int_enum_uchar.GetName(), 'unsigned char') |
