Teach SBFrame how to guess its language.

<rdar://problem/31411646>

llvm-svn: 300012

7 files changed, 134 insertions, 0 deletions

diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/frame-language/Makefile b/lldb/packages/Python/lldbsuite/test/functionalities/frame-language/Makefile
new file mode 100644
index 00000000000..089fc237b05
--- /dev/null
+++ b/lldb/packages/Python/lldbsuite/test/functionalities/frame-language/Makefile
@@ -0,0 +1,12 @@
+LEVEL = ../../make
+
+CXX_SOURCES := main.cpp other.cpp other-2.cpp
+C_SOURCES := somefunc.c
+
+include $(LEVEL)/Makefile.rules
+
+other-2.o: other-2.cpp
+	$(CXX) $(CFLAGS_NO_DEBUG) -c other-2.cpp
+
+somefunc.o: somefunc.c
+	$(CC) $(CFLAGS) -std=c99 -c somefunc.c
\ No newline at end of file
diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/frame-language/TestGuessLanguage.py b/lldb/packages/Python/lldbsuite/test/functionalities/frame-language/TestGuessLanguage.py
new file mode 100644
index 00000000000..7aa3e29af55
--- /dev/null
+++ b/lldb/packages/Python/lldbsuite/test/functionalities/frame-language/TestGuessLanguage.py
@@ -0,0 +1,81 @@
+"""
+Test the SB API SBFrame::GuessLanguage.
+"""
+
+from __future__ import print_function
+
+
+import os
+import time
+import re
+import lldb
+import lldbsuite.test.lldbutil as lldbutil
+from lldbsuite.test.lldbtest import *
+
+
+class TestFrameGuessLanguage(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    # If your test case doesn't stress debug info, the 
+    # set this to true.  That way it won't be run once for
+    # each debug info format.
+    NO_DEBUG_INFO_TESTCASE = True
+
+    def test_guess_language(self):
+        """Test GuessLanguage for C and C++."""
+        self.build()
+        self.do_test()
+
+    def setUp(self):
+        # Call super's setUp().
+        TestBase.setUp(self)
+
+    def check_language(self, thread, frame_no, test_lang):
+        frame = thread.frames[frame_no]
+        self.assertTrue(frame.IsValid(), "Frame %d was not valid."%(frame_no))
+        lang = frame.GuessLanguage()
+        self.assertEqual(lang, test_lang)
+
+    def do_test(self):
+        """Test GuessLanguage for C & C++."""
+        exe = os.path.join(os.getcwd(), "a.out")
+
+        # Create a target by the debugger.
+        target = self.dbg.CreateTarget(exe)
+        self.assertTrue(target, VALID_TARGET)
+
+        # Now create a breakpoint in main.c at the source matching
+        # "Set a breakpoint here"
+        breakpoint = target.BreakpointCreateBySourceRegex(
+            "Set breakpoint here", lldb.SBFileSpec("somefunc.c"))
+        self.assertTrue(breakpoint and
+                        breakpoint.GetNumLocations() >= 1,
+                        VALID_BREAKPOINT)
+
+        error = lldb.SBError()
+        # This is the launch info.  If you want to launch with arguments or
+        # environment variables, add them using SetArguments or
+        # SetEnvironmentEntries
+
+        launch_info = lldb.SBLaunchInfo(None)
+        process = target.Launch(launch_info, error)
+        self.assertTrue(process, PROCESS_IS_VALID)
+
+        # Did we hit our breakpoint?
+        from lldbsuite.test.lldbutil import get_threads_stopped_at_breakpoint
+        threads = get_threads_stopped_at_breakpoint(process, breakpoint)
+        self.assertTrue(
+            len(threads) == 1,
+            "There should be a thread stopped at our breakpoint")
+
+        # The hit count for the breakpoint should be 1.
+        self.assertTrue(breakpoint.GetHitCount() == 1)
+
+        thread = threads[0]
+        self.check_language(thread, 0, lldb.eLanguageTypeC99)
+        self.check_language(thread, 1, lldb.eLanguageTypeC_plus_plus)
+        self.check_language(thread, 2, lldb.eLanguageTypeC_plus_plus)
+        
+        
+
diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/frame-language/main.cpp b/lldb/packages/Python/lldbsuite/test/functionalities/frame-language/main.cpp
new file mode 100644
index 00000000000..f5449f21790
--- /dev/null
+++ b/lldb/packages/Python/lldbsuite/test/functionalities/frame-language/main.cpp
@@ -0,0 +1,10 @@
+#include <stdio.h>
+#include "other.h"
+
+int
+main()
+{
+  int test_var = 10;
+  Other::DoSomethingElse();
+  return 0;
+}
diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/frame-language/other-2.cpp b/lldb/packages/Python/lldbsuite/test/functionalities/frame-language/other-2.cpp
new file mode 100644
index 00000000000..77632de3ceb
--- /dev/null
+++ b/lldb/packages/Python/lldbsuite/test/functionalities/frame-language/other-2.cpp
@@ -0,0 +1,7 @@
+#include "other.h"
+
+void 
+Other::DoSomethingElse()
+{
+  DoSomething();
+}
diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/frame-language/other.cpp b/lldb/packages/Python/lldbsuite/test/functionalities/frame-language/other.cpp
new file mode 100644
index 00000000000..41f4f26079a
--- /dev/null
+++ b/lldb/packages/Python/lldbsuite/test/functionalities/frame-language/other.cpp
@@ -0,0 +1,10 @@
+#include "other.h"
+
+extern "C" void some_func();
+
+void 
+Other::DoSomething()
+{
+  some_func();
+}
+
diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/frame-language/other.h b/lldb/packages/Python/lldbsuite/test/functionalities/frame-language/other.h
new file mode 100644
index 00000000000..0a2c125e6b4
--- /dev/null
+++ b/lldb/packages/Python/lldbsuite/test/functionalities/frame-language/other.h
@@ -0,0 +1,7 @@
+class Other
+{
+ public:
+  static void DoSomething();
+  static void DoSomethingElse();
+};
+
diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/frame-language/somefunc.c b/lldb/packages/Python/lldbsuite/test/functionalities/frame-language/somefunc.c
new file mode 100644
index 00000000000..a4b4f47f32e
--- /dev/null
+++ b/lldb/packages/Python/lldbsuite/test/functionalities/frame-language/somefunc.c
@@ -0,0 +1,7 @@
+#include <stdio.h>
+
+void
+some_func()
+{
+  printf("Set breakpoint here.");
+}