765237779c
Fix a mutation of `CommandAlias::m_option_args_sp`, which resulted in cases where aliases would fail to run on second, and subsequent times. For example, an alias such as: ``` command alias p1 p 1 ``` When run the second time, the following error would be reported to the user: ``` error: expression failed to parse: error: <user expression 1>:1:1: expression is not assignable -- 1 ^ ~ ``` To fix this, `CommandAlias::Desugar` now constructs options to a freshly constructed vector, rather than by appending to the results of `GetOptionArguments`. rdar://107770836 Differential Revision: https://reviews.llvm.org/D150078
108 lines
3.6 KiB
Python
108 lines
3.6 KiB
Python
"""
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Test that an alias can reference other aliases without crashing.
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"""
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import lldb
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from lldbsuite.test.lldbtest import *
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import lldbsuite.test.lldbutil as lldbutil
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class NestedAliasTestCase(TestBase):
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NO_DEBUG_INFO_TESTCASE = True
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def setUp(self):
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# Call super's setUp().
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TestBase.setUp(self)
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# Find the line number to break inside main().
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self.line = line_number('main.cpp', '// break here')
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def test_nested_alias(self):
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"""Test that an alias can reference other aliases without crashing."""
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self.build()
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exe = self.getBuildArtifact("a.out")
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self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
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# Break in main() after the variables are assigned values.
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lldbutil.run_break_set_by_file_and_line(
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self, "main.cpp", self.line, num_expected_locations=1, loc_exact=True)
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self.runCmd("run", RUN_SUCCEEDED)
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# The stop reason of the thread should be breakpoint.
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self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
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substrs=['stopped', 'stop reason = breakpoint'])
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# The breakpoint should have a hit count of 1.
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lldbutil.check_breakpoint(self, bpno = 1, expected_hit_count = 1)
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# This is the function to remove the custom aliases in order to have a
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# clean slate for the next test case.
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def cleanup():
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self.runCmd('command unalias read', check=False)
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self.runCmd('command unalias rd', check=False)
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self.runCmd('command unalias fo', check=False)
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self.runCmd('command unalias foself', check=False)
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self.runCmd('command unalias add_two', check=False)
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self.runCmd('command unalias two', check=False)
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# Execute the cleanup function during test case tear down.
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self.addTearDownHook(cleanup)
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self.runCmd('command alias read memory read -f A')
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self.runCmd('command alias rd read -c 3')
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self.expect(
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'memory read -f A -c 3 `&my_ptr[0]`',
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substrs=[
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'deadbeef',
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'main.cpp:',
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'feedbeef'])
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self.expect(
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'rd `&my_ptr[0]`',
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substrs=[
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'deadbeef',
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'main.cpp:',
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'feedbeef'])
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self.expect(
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'memory read -f A -c 3 `&my_ptr[0]`',
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substrs=['deadfeed'],
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matching=False)
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self.expect('rd `&my_ptr[0]`', substrs=['deadfeed'], matching=False)
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self.runCmd('command alias fo frame variable -O --')
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self.runCmd('command alias foself fo self')
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self.expect(
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'help foself',
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substrs=[
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'--show-all-children',
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'--raw-output'],
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matching=False)
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self.expect(
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'help foself',
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substrs=[
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'Show variables for the current',
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'stack frame.'],
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matching=True)
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# Check that foself was resolved and is now independent of 'fo'.
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self.runCmd('command unalias fo')
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self.expect(
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'help foself',
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substrs=[
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'Show variables for the current',
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'stack frame.'],
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matching=True)
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# Check that aliases can be created for raw input commands.
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self.expect('command alias two expr -- 2')
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self.expect('command alias add_two two +')
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self.expect('add_two 3', patterns=[' = 5$'])
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# Check that aliases to aliases to raw input commands work the second
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# and subsequent times.
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self.expect('add_two 3', patterns=[' = 5$'])
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self.expect('add_two 3', patterns=[' = 5$'])
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