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authorMartin Liska <mliska@suse.cz>2018-06-28 09:08:01 +0200
committerMartin Liska <marxin@gcc.gnu.org>2018-06-28 07:08:01 +0000
commit98086b2ba2bd021e887788cea410410e61eaee42 (patch)
tree75a8f11816cec8e2dfb5a56b30a3e687f5b27828 /gcc/opt-suggestions.h
parent3de37a5d22c6f7add3457929d3572d2de678d6c2 (diff)
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Makefile.in: Add opt-suggestions.o.
. 2018-06-28 Martin Liska <mliska@suse.cz> * Makefile.in: Add opt-suggestions.o. * gcc-main.c: Include opt-suggestions.h. * gcc.c (driver::driver): Likewise. (driver::~driver): Remove m_option_suggestions. (driver::build_option_suggestions): Moved to option_proposer. (driver::suggest_option): Likewise. (driver::handle_unrecognized_options): Use option_proposer. * gcc.h (class driver): Add new memver m_option_proposer. * opt-suggestions.c: New file. * opt-suggestions.h: New file. 2018-06-28 Martin Liska <mliska@suse.cz> * cppspec.c: Include opt-suggestions.h. 2018-06-28 Martin Liska <mliska@suse.cz> * gfortranspec.c: Include opt-suggestions.h. 2018-06-28 Martin Liska <mliska@suse.cz> * jit-playback.c: Include opt-suggestions.h. From-SVN: r262209
Diffstat (limited to 'gcc/opt-suggestions.h')
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diff --git a/gcc/opt-suggestions.h b/gcc/opt-suggestions.h
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+/* Provide suggestions to handle misspelled options, and implement the
+ --complete option for auto-completing options from a prefix.
+ Copyright (C) 2016-2018 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
+
+#ifndef GCC_OPT_PROPOSER_H
+#define GCC_OPT_PROPOSER_H
+
+/* Option proposer is class used by driver in order to provide hints
+ for wrong options provided. And it's used by --complete option that's
+ intended to be invoked by BASH in order to provide better option
+ completion support. */
+
+class option_proposer
+{
+public:
+ /* Default constructor. */
+ option_proposer (): m_option_suggestions (NULL)
+ {}
+
+ /* Default destructor. */
+ ~option_proposer ();
+
+ /* Helper function for driver::handle_unrecognized_options.
+
+ Given an unrecognized option BAD_OPT (without the leading dash),
+ locate the closest reasonable matching option (again, without the
+ leading dash), or NULL.
+
+ The returned string is owned by the option_proposer instance. */
+ const char *suggest_option (const char *bad_opt);
+
+private:
+ /* Helper function for option_proposer::suggest_option. Populate
+ m_option_suggestions with candidate strings for misspelled options.
+ The strings will be freed by the option_proposer's dtor. */
+ void build_option_suggestions ();
+
+private:
+ /* Cache with all suggestions. */
+ auto_string_vec *m_option_suggestions;
+};
+
+#endif /* GCC_OPT_PROPOSER_H */