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by underscores for readability
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lex and yacc tools both got two new construction variables for specifying
side-effect creation of additional files, this method avoids the user
embedding the options in LEXFLAGS and YACCFLAGS - the latter lets
the commands generate the files, but the paths would not be properly
relocated by SCons, so if the build was initiated in a subdirectory,
the generated files would go into the top directory instead.
Fixes #4154
Signed-off-by: Mats Wichmann <mats@linux.com>
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Signed-off-by: Mats Wichmann <mats@linux.com>
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The mocked tools mylex.py and myyacc.py now understand the file-generation
options, and generate a dummy file with predictable contents, for
checking. This allows more testing of the path through the SCons support
for these two without needing live commands.
New tests added which invoke the file-generation options, and make
sure the extra files are created, and that SCons detects and tracks
the added targets. Work is done in a subdirectory, which exposes some
existing known inconsistent behavior (the regular generated file goes
in the subdir per the LEXCOM and YACCOM generated line, while the ones
generated from commandline options go in the topdir) - but we're going
to allow that behavior to continue for backwards compat.
Same fix applied to yacc tool that PR #4168 did for lex - do subst_list()
instead of subst() to preserve spaces in paths. That fix left the lex
tool unable to pass the new test, as it could not see the individual
arguments in the FLAGS variable, which was solved by indexing into the
subst'd list so we can iterate over the args again.
Test and tool cleanup; add DefaultEnvironment calls, etc.
Note this mentions, but does not address the problem described in issue 4154.
Signed-off-by: Mats Wichmann <mats@linux.com>
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what's fixed. Address a few lint issues in the lex.py file
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SCosncript dir
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* Removed a number of imports reported as unused.
* Reorganize imports in a few places.
* Checker reported warnings problems ("Instantiating an exception,
but not raising it, has no effect"): serveral tool modules instantiated
a warning class thinking (?) it would issue the warning; changed these to
the standard use - calling the warn() function with the warnclass as an arg.
* Tool modules that were touched had the copyright header munging applied.
* Removed irritating "####" lines from gettext and msgfmt tools.
Signed-off-by: Mats Wichmann <mats@linux.com>
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avoid potential overlap with Python's own Warnng class.
Signed-off-by: Mats Wichmann <mats@linux.com>
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with current python packaging practices
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