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"""
Test calling user defined functions using expression evaluation.
Note:
LLDBs current first choice of evaluating functions is using the IR interpreter,
which is only supported on Hexagon. Otherwise JIT is used for the evaluation.
"""
from __future__ import print_function
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class ExprCommandCallUserDefinedFunction(TestBase):
mydir = TestBase.compute_mydir(__file__)
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break for main.c.
self.line = line_number(
'main.cpp',
'// Please test these expressions while stopped at this line:')
@expectedFlakeyDsym("llvm.org/pr20274")
@expectedFailureAll(
oslist=["windows"],
bugnumber="llvm.org/pr24489: Name lookup not working correctly on Windows")
def test(self):
"""Test return values of user defined function calls."""
self.build()
# Set breakpoint in main and run exe
self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line(
self, "main.cpp", self.line, num_expected_locations=-1, loc_exact=True)
self.runCmd("run", RUN_SUCCEEDED)
# Test recursive function call.
self.expect("expr fib(5)", substrs=['$0 = 5'])
# Test function with more than one paramter
self.expect("expr add(4,8)", substrs=['$1 = 12'])
# Test nesting function calls in function paramters
self.expect("expr add(add(5,2),add(3,4))", substrs=['$2 = 14'])
self.expect("expr add(add(5,2),fib(5))", substrs=['$3 = 12'])
# Test function with pointer paramter
self.expect(
"exp stringCompare((const char*) \"Hello world\")",
substrs=['$4 = true'])
self.expect(
"exp stringCompare((const char*) \"Hellworld\")",
substrs=['$5 = false'])
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