TestSymbolContext.py [plain text]
"""
Test SBSymbolContext APIs.
"""
import os, time
import re
import unittest2
import lldb, lldbutil
from lldbtest import *
class SymbolContextAPITestCase(TestBase):
mydir = os.path.join("python_api", "symbol-context")
@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
@python_api_test
@dsym_test
def test_with_dsym(self):
"""Exercise SBSymbolContext API extensively."""
self.buildDsym()
self.symbol_context()
@python_api_test
@dwarf_test
def test_with_dwarf(self):
"""Exercise SBSymbolContext API extensively."""
self.buildDwarf()
self.symbol_context()
def setUp(self):
TestBase.setUp(self)
self.line = line_number('main.c', '// Find the line number of function "c" here.')
def symbol_context(self):
"""Get an SBSymbolContext object and call its many methods."""
exe = os.path.join(os.getcwd(), "a.out")
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
breakpoint = target.BreakpointCreateByName('c', 'a.out')
self.assertTrue(breakpoint and
breakpoint.GetNumLocations() == 1,
VALID_BREAKPOINT)
process = target.LaunchSimple(None, None, os.getcwd())
self.assertTrue(process, PROCESS_IS_VALID)
from lldbutil import get_stopped_thread
thread = get_stopped_thread(process, lldb.eStopReasonBreakpoint)
self.assertTrue(thread != None, "There should be a thread stopped due to breakpoint")
frame0 = thread.GetFrameAtIndex(0)
self.assertTrue(frame0.GetLineEntry().GetLine() == self.line)
context = frame0.GetSymbolContext(lldb.eSymbolContextEverything)
self.assertTrue(context)
module = context.GetModule()
desc = lldbutil.get_description(module)
self.expect(desc, "The module should match", exe=False,
substrs = [os.path.join(self.mydir, 'a.out')])
compileUnit = context.GetCompileUnit()
self.expect(str(compileUnit), "The compile unit should match", exe=False,
substrs = [os.path.join(self.mydir, 'main.c')])
function = context.GetFunction()
self.assertTrue(function)
block = context.GetBlock()
self.assertTrue(block)
lineEntry = context.GetLineEntry()
self.expect(lineEntry.GetFileSpec().GetDirectory(), "The line entry should have the correct directory",
exe=False,
substrs = [self.mydir])
self.expect(lineEntry.GetFileSpec().GetFilename(), "The line entry should have the correct filename",
exe=False,
substrs = ['main.c'])
self.assertTrue(lineEntry.GetLine() == self.line,
"The line entry's line number should match ")
symbol = context.GetSymbol()
self.assertTrue(function.GetName() == symbol.GetName() and symbol.GetName() == 'c',
"The symbol name should be 'c'")
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()