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from __future__ import print_function
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class TestMacros(TestBase):
mydir = TestBase.compute_mydir(__file__)
@expectedFailureAll(
compiler="clang",
bugnumber="clang does not emit .debug_macro[.dwo] sections.")
@expectedFailureAll(
debug_info="dwo",
bugnumber="GCC produces multiple .debug_macro.dwo sections and the spec is unclear as to what it means")
@expectedFailureAll(
hostoslist=["windows"],
compiler="gcc",
triple='.*-android')
def test_expr_with_macros(self):
self.build()
# Get main source file
src_file = "main.cpp"
hdr_file = "macro1.h"
src_file_spec = lldb.SBFileSpec(src_file)
self.assertTrue(src_file_spec.IsValid(), "Main source file")
# Get the path of the executable
cwd = os.getcwd()
exe_file = "a.out"
exe_path = os.path.join(cwd, exe_file)
# Load the executable
target = self.dbg.CreateTarget(exe_path)
self.assertTrue(target.IsValid(), VALID_TARGET)
# Set breakpoints
bp1 = target.BreakpointCreateBySourceRegex("Break here", src_file_spec)
self.assertTrue(
bp1.IsValid() and bp1.GetNumLocations() >= 1,
VALID_BREAKPOINT)
# Launch the process
process = target.LaunchSimple(
None, None, self.get_process_working_directory())
self.assertTrue(process.IsValid(), PROCESS_IS_VALID)
# Get the thread of the process
self.assertTrue(
process.GetState() == lldb.eStateStopped,
PROCESS_STOPPED)
thread = lldbutil.get_stopped_thread(
process, lldb.eStopReasonBreakpoint)
# Get frame for current thread
frame = thread.GetSelectedFrame()
result = frame.EvaluateExpression("MACRO_1")
self.assertTrue(
result.IsValid() and result.GetValue() == "100",
"MACRO_1 = 100")
result = frame.EvaluateExpression("MACRO_2")
self.assertTrue(
result.IsValid() and result.GetValue() == "200",
"MACRO_2 = 200")
result = frame.EvaluateExpression("ONE")
self.assertTrue(
result.IsValid() and result.GetValue() == "1",
"ONE = 1")
result = frame.EvaluateExpression("TWO")
self.assertTrue(
result.IsValid() and result.GetValue() == "2",
"TWO = 2")
result = frame.EvaluateExpression("THREE")
self.assertTrue(
result.IsValid() and result.GetValue() == "3",
"THREE = 3")
result = frame.EvaluateExpression("FOUR")
self.assertTrue(
result.IsValid() and result.GetValue() == "4",
"FOUR = 4")
result = frame.EvaluateExpression("HUNDRED")
self.assertTrue(
result.IsValid() and result.GetValue() == "100",
"HUNDRED = 100")
result = frame.EvaluateExpression("THOUSAND")
self.assertTrue(
result.IsValid() and result.GetValue() == "1000",
"THOUSAND = 1000")
result = frame.EvaluateExpression("MILLION")
self.assertTrue(result.IsValid() and result.GetValue()
== "1000000", "MILLION = 1000000")
result = frame.EvaluateExpression("MAX(ONE, TWO)")
self.assertTrue(
result.IsValid() and result.GetValue() == "2",
"MAX(ONE, TWO) = 2")
result = frame.EvaluateExpression("MAX(THREE, TWO)")
self.assertTrue(
result.IsValid() and result.GetValue() == "3",
"MAX(THREE, TWO) = 3")
# Get the thread of the process
thread.StepOver()
# Get frame for current thread
frame = thread.GetSelectedFrame()
result = frame.EvaluateExpression("MACRO_2")
self.assertTrue(
result.GetError().Fail(),
"Printing MACRO_2 fails in the mail file")
result = frame.EvaluateExpression("FOUR")
self.assertTrue(
result.GetError().Fail(),
"Printing FOUR fails in the main file")
thread.StepInto()
# Get frame for current thread
frame = thread.GetSelectedFrame()
result = frame.EvaluateExpression("ONE")
self.assertTrue(
result.IsValid() and result.GetValue() == "1",
"ONE = 1")
result = frame.EvaluateExpression("MAX(ONE, TWO)")
self.assertTrue(
result.IsValid() and result.GetValue() == "2",
"MAX(ONE, TWO) = 2")
# This time, MACRO_1 and MACRO_2 are not visible.
result = frame.EvaluateExpression("MACRO_1")
self.assertTrue(result.GetError().Fail(),
"Printing MACRO_1 fails in the header file")
result = frame.EvaluateExpression("MACRO_2")
self.assertTrue(result.GetError().Fail(),
"Printing MACRO_2 fails in the header file")
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