| """ |
| 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']) |
