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Absolute imports were introduced in Python 2.5 as a feature (e.g. from __future__ import absolute_import), and made default in Python 3. When absolute imports are enabled, the import system changes in a couple of ways: 1) The `import foo` syntax will *only* search sys.path. If `foo` isn't in sys.path, it won't be found. Period. Without absolute imports, the import system will also search the same directory that the importing file resides in, so that you can easily import from the same folder. 2) From inside a package, you can use a dot syntax to refer to higher levels of the current package. For example, if you are in the package lldbsuite.test.utility, then ..foo refers to lldbsuite.test.foo. You can use this notation with the `from X import Y` syntax to write intra-package references. For example, using the previous locationa s a starting point, writing `from ..support import seven` would import lldbsuite.support.seven Since this is now the default behavior in Python 3, this means that importing from the same directory with `import foo` *no longer works*. As a result, the only way to have portable code is to force absolute imports for all versions of Python. See PEP 0328 [https://www.python.org/dev/peps/pep-0328/] for more information about absolute and relative imports. Differential Revision: http://reviews.llvm.org/D14342 Reviewed By: Todd Fiala llvm-svn: 252191
22 lines
811 B
Python
22 lines
811 B
Python
""" This module contains functions used by the test cases to hide the
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architecture and/or the platform dependent nature of the tests. """
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from __future__ import absolute_import
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# System modules
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# Third-party modules
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# LLDB modules
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def check_first_register_readable(test_case):
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if test_case.getArchitecture() in ['x86_64', 'i386']:
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test_case.expect("register read eax", substrs = ['eax = 0x'])
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elif test_case.getArchitecture() in ['arm']:
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test_case.expect("register read r0", substrs = ['r0 = 0x'])
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elif test_case.getArchitecture() in ['aarch64']:
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test_case.expect("register read x0", substrs = ['x0 = 0x'])
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else:
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# TODO: Add check for other architectures
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test_case.fail("Unsupported architecture for test case (arch: %s)" % test_case.getArchitecture())
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