<rdar://problem/14194128>

ClangASTContext was failing to retrieve fields and base class info for ObjC variables
This checkin fixes that and adds a test case

llvm-svn: 184248

3 files changed, 140 insertions, 0 deletions

diff --git a/lldb/test/python_api/objc_type/Makefile b/lldb/test/python_api/objc_type/Makefile
new file mode 100644
index 00000000000..4562b048d20
--- /dev/null
+++ b/lldb/test/python_api/objc_type/Makefile
@@ -0,0 +1,9 @@
+LEVEL = ../../make
+
+OBJC_SOURCES := main.m
+
+CFLAGS_EXTRAS += -w
+
+include $(LEVEL)/Makefile.rules
+
+LDFLAGS += -framework Cocoa
diff --git a/lldb/test/python_api/objc_type/TestObjCType.py b/lldb/test/python_api/objc_type/TestObjCType.py
new file mode 100644
index 00000000000..35f83c4b15e
--- /dev/null
+++ b/lldb/test/python_api/objc_type/TestObjCType.py
@@ -0,0 +1,79 @@
+"""
+Test SBType for ObjC classes.
+"""
+
+import os, time
+import re
+import unittest2
+import lldb, lldbutil
+from lldbtest import *
+
+class ObjCSBTypeTestCase(TestBase):
+
+    mydir = os.path.join("python_api", "objc_type")
+
+    @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
+    @python_api_test
+    @dsym_test
+    def test_with_dsym(self):
+        """Test SBType for ObjC classes."""
+        self.buildDsym()
+        self.objc_sbtype_test()
+
+    @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
+    @python_api_test
+    @dwarf_test
+    def test_with_dwarf(self):
+        """Test SBType for ObjC classes."""
+        self.buildDwarf()
+        self.objc_sbtype_test()
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+        self.line = line_number("main.m", '// Break at this line')
+
+    def objc_sbtype_test(self):
+        """Exercise SBType and SBTypeList API."""
+        exe = os.path.join(os.getcwd(), "a.out")
+
+        # 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("main.m", self.line)
+        self.assertTrue(breakpoint, VALID_BREAKPOINT)
+
+        # Now launch the process, and do not stop at entry point.
+        process = target.LaunchSimple(None, None, os.getcwd())
+        self.assertTrue(process, PROCESS_IS_VALID)
+
+
+
+        # Get Frame #0.
+        self.assertTrue(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")
+
+        aBar = self.frame().FindVariable("aBar")
+        aBarType = aBar.GetType()
+        self.assertTrue(aBarType.IsValid(), "Bar should be a valid data type")
+        self.assertTrue(aBarType.GetName() == "Bar *", "Bar has the right name")
+
+        self.assertTrue(aBarType.GetNumberOfDirectBaseClasses() == 1, "Bar has a superclass")
+        aFooType = aBarType.GetDirectBaseClassAtIndex(0)
+
+        self.assertTrue(aFooType.IsValid(), "Foo should be a valid data type")
+        self.assertTrue(aFooType.GetName() == "Foo", "Foo has the right name")
+
+        self.assertTrue(aBarType.GetNumberOfFields() == 1, "Bar has a field")
+        aBarField = aBarType.GetFieldAtIndex(0)
+
+        self.assertTrue(aBarField.GetName() == "_iVar", "The field has the right name")
+
+if __name__ == '__main__':
+    import atexit
+    lldb.SBDebugger.Initialize()
+    atexit.register(lambda: lldb.SBDebugger.Terminate())
+    unittest2.main()
diff --git a/lldb/test/python_api/objc_type/main.m b/lldb/test/python_api/objc_type/main.m
new file mode 100644
index 00000000000..f63f0c5040e
--- /dev/null
+++ b/lldb/test/python_api/objc_type/main.m
@@ -0,0 +1,52 @@
+//===-- main.m ------------------------------------------------*- ObjC -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#import <Cocoa/Cocoa.h>
+
+@interface Foo: NSObject
+{}
+- (id) init;
+@end
+
+@interface Bar: Foo
+{
+	int _iVar;
+}
+- (id) init;
+@end
+
+@implementation Foo
+
+- (id) init
+{
+	self = [super init];
+	return self;
+}
+
+@end
+
+@implementation Bar
+
+- (id) init
+{
+	self = [super init];
+	if (self)
+		self->_iVar = 5;
+	return self;
+}
+
+@end
+
+int main()
+{
+	Bar* aBar = [Bar new];
+	id nothing = [aBar noSuchSelector]; // Break at this line
+	return 0;
+}
+