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"""
Test SBSymbolContext APIs.
"""
from __future__ import print_function
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class SymbolContextAPITestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to of function 'c'.
self.line = line_number(
'main.c', '// Find the line number of function "c" here.')
@add_test_categories(['pyapi'])
@expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24778")
@skipIfReproducer # FIXME: Unexpected packet during (passive) replay
def test(self):
"""Exercise SBSymbolContext API extensively."""
self.build()
exe = self.getBuildArtifact("a.out")
# Create a target by the debugger.
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
# Now create a breakpoint on main.c by name 'c'.
breakpoint = target.BreakpointCreateByName('c', exe)
self.assertTrue(breakpoint and breakpoint.GetNumLocations() == 1,
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)
# Frame #0 should be on self.line.
thread = lldbutil.get_stopped_thread(process,
lldb.eStopReasonBreakpoint)
self.assertTrue(thread.IsValid(),
"There should be a thread stopped due to breakpoint")
frame0 = thread.GetFrameAtIndex(0)
self.assertTrue(frame0.GetLineEntry().GetLine() == self.line)
# Now get the SBSymbolContext from this frame. We want everything. :-)
context = frame0.GetSymbolContext(lldb.eSymbolContextEverything)
self.assertTrue(context)
# Get the description of this module.
module = context.GetModule()
desc = lldbutil.get_description(module)
self.expect(desc, "The module should match", exe=False, substrs=[exe])
compileUnit = context.GetCompileUnit()
self.expect(str(compileUnit),
"The compile unit should match",
exe=False,
substrs=[self.getSourcePath('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'")
sc_list = lldb.SBSymbolContextList()
sc_list.Append(context)
self.assertEqual(len(sc_list), 1)
for sc in sc_list:
self.assertEqual(lineEntry, sc.GetLineEntry())
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