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/* Integration of the analyzer with GCC's pass manager.
Copyright (C) 2019-2021 Free Software Foundation, Inc.
Contributed by David Malcolm <dmalcolm@redhat.com>.
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/>. */
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "context.h"
#include "tree-pass.h"
#include "diagnostic.h"
#include "options.h"
#include "tree.h"
#include "function.h"
#include "analyzer/analyzer.h"
#include "analyzer/engine.h"
namespace {
/* Data for the analyzer pass. */
const pass_data pass_data_analyzer =
{
IPA_PASS, /* type */
"analyzer", /* name */
OPTGROUP_NONE, /* optinfo_flags */
TV_ANALYZER, /* tv_id */
PROP_ssa, /* properties_required */
0, /* properties_provided */
0, /* properties_destroyed */
0, /* todo_flags_start */
0, /* todo_flags_finish */
};
/* The analyzer pass. */
class pass_analyzer : public ipa_opt_pass_d
{
public:
pass_analyzer(gcc::context *ctxt)
: ipa_opt_pass_d (pass_data_analyzer, ctxt,
NULL, /* generate_summary */
NULL, /* write_summary */
NULL, /* read_summary */
NULL, /* write_optimization_summary */
NULL, /* read_optimization_summary */
NULL, /* stmt_fixup */
0, /* function_transform_todo_flags_start */
NULL, /* function_transform */
NULL) /* variable_transform */
{}
/* opt_pass methods: */
bool gate (function *) FINAL OVERRIDE;
unsigned int execute (function *) FINAL OVERRIDE;
}; // class pass_analyzer
/* Only run the analyzer if -fanalyzer. */
bool
pass_analyzer::gate (function *)
{
return flag_analyzer != 0;
}
/* Entrypoint for the analyzer pass. */
unsigned int
pass_analyzer::execute (function *)
{
#if ENABLE_ANALYZER
ana::run_checkers ();
#else
sorry_no_analyzer ();
#endif
return 0;
}
} // anon namespace
/* Make an instance of the analyzer pass. */
ipa_opt_pass_d *
make_pass_analyzer (gcc::context *ctxt)
{
return new pass_analyzer (ctxt);
}
#if !ENABLE_ANALYZER
/* Issue a "sorry" diagnostic that the analyzer was not enabled. */
void
sorry_no_analyzer ()
{
sorry ("%qs was not enabled in this build of GCC"
" (missing configure-time option %qs)",
"-fanalyzer", "--enable-analyzer");
}
#endif /* #if !ENABLE_ANALYZER */
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