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gcc emits DW_LANG_C89 even if we specify -std=c99 during compilation. Since this isn't an lldb bug, but just the way the compiler happens to be implemented, I teach the test to expect this situation correctly. llvm-svn: 300046
88 lines
2.7 KiB
Python
88 lines
2.7 KiB
Python
"""
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Test the SB API SBFrame::GuessLanguage.
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"""
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from __future__ import print_function
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import os
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import time
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import re
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import lldb
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import lldbsuite.test.lldbutil as lldbutil
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from lldbsuite.test.lldbtest import *
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class TestFrameGuessLanguage(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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# If your test case doesn't stress debug info, the
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# set this to true. That way it won't be run once for
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# each debug info format.
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NO_DEBUG_INFO_TESTCASE = True
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def test_guess_language(self):
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"""Test GuessLanguage for C and C++."""
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self.build()
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self.do_test()
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def setUp(self):
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# Call super's setUp().
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TestBase.setUp(self)
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def check_language(self, thread, frame_no, test_lang):
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frame = thread.frames[frame_no]
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self.assertTrue(frame.IsValid(), "Frame %d was not valid."%(frame_no))
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lang = frame.GuessLanguage()
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self.assertEqual(lang, test_lang)
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def do_test(self):
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"""Test GuessLanguage for C & C++."""
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exe = os.path.join(os.getcwd(), "a.out")
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# Create a target by the debugger.
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target = self.dbg.CreateTarget(exe)
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self.assertTrue(target, VALID_TARGET)
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# Now create a breakpoint in main.c at the source matching
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# "Set a breakpoint here"
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breakpoint = target.BreakpointCreateBySourceRegex(
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"Set breakpoint here", lldb.SBFileSpec("somefunc.c"))
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self.assertTrue(breakpoint and
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breakpoint.GetNumLocations() >= 1,
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VALID_BREAKPOINT)
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error = lldb.SBError()
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# This is the launch info. If you want to launch with arguments or
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# environment variables, add them using SetArguments or
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# SetEnvironmentEntries
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launch_info = lldb.SBLaunchInfo(None)
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process = target.Launch(launch_info, error)
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self.assertTrue(process, PROCESS_IS_VALID)
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# Did we hit our breakpoint?
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from lldbsuite.test.lldbutil import get_threads_stopped_at_breakpoint
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threads = get_threads_stopped_at_breakpoint(process, breakpoint)
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self.assertTrue(
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len(threads) == 1,
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"There should be a thread stopped at our breakpoint")
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# The hit count for the breakpoint should be 1.
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self.assertTrue(breakpoint.GetHitCount() == 1)
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thread = threads[0]
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c_frame_language = lldb.eLanguageTypeC99
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# gcc emits DW_LANG_C89 even if -std=c99 was specified
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if "gcc" in self.getCompiler():
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c_frame_language = lldb.eLanguageTypeC89
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self.check_language(thread, 0, c_frame_language)
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self.check_language(thread, 1, lldb.eLanguageTypeC_plus_plus)
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self.check_language(thread, 2, lldb.eLanguageTypeC_plus_plus)
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