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Warn about output files that are generated by the skeletons and that

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conflict with other output files.
* data/glr.c: Don't generate the header file here when glr.cc does.
* src/files.c (file_names, file_names_count): New static globals.
(compute_output_file_names): Invoke output_file_name_check for files
not generated by the skeletons and remove existing checks.
(output_file_name_check): New function that warns about conflicting
output file names.
(output_file_names_free): Free file_names.
* src/files.h (output_file_name_check): Declare.
* src/scan-skel.l: Invoke output_file_name_check for files generated by
the skeletons.
* tests/output.at (AT_CHECK_CONFLICTING_OUTPUT): New.
(Conflicting output files): New tests.
This commit is contained in:
Joel E. Denny
2006-12-10 00:16:15 +00:00
parent 178e123eec
commit 3f7ca62853
6 changed files with 84 additions and 16 deletions
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33
tests/output.at
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@@ -116,3 +116,36 @@ AT_CHECK_OUTPUT([subdir/foo.yy], [%skeleton "lalr1.cc" %defines %verbose],
[-o subdir/foo.cc],
[subdir/foo.cc subdir/foo.hh subdir/foo.output subdir/location.hh subdir/stack.hh subdir/position.hh],
[], [AT_CHECK_NO_SUBDIR_PART([subdir/foo])])
# AT_CHECK_CONFLICTING_OUTPUT(INPUT-FILE, DIRECTIVES, FLAGS, STDERR)
# -----------------------------------------------------------------------------
m4_define([AT_CHECK_CONFLICTING_OUTPUT],
[AT_SETUP([Conflicting output files: $2 $3])
case "$1" in
*/*) mkdir `echo "$1" | sed 's,/.*,,'`;;
esac
AT_DATA([$1],
[[$2
%%
foo: {};
]])
AT_CHECK([bison $3 $1], 0, [], [$4])
AT_CLEANUP
])
AT_CHECK_CONFLICTING_OUTPUT([foo.y],
[], [--graph="foo.tab.c"],
[foo.y: warning: conflicting outputs to file `foo.tab.c'
])
AT_CHECK_CONFLICTING_OUTPUT([foo.y],
[%defines "foo.output"], [-v],
[foo.y: warning: conflicting outputs to file `foo.output'
])
AT_CHECK_CONFLICTING_OUTPUT([foo.y],
[%skeleton "lalr1.cc" %defines], [--graph="location.hh"],
[foo.y: warning: conflicting outputs to file `location.hh'
])