On Fri, 2019-11-15 at 20:23 -0500, David Malcolm wrote: > This patch introduces function_point and program_point, classes > for tracking locations within the program (the latter adding > a call_string for tracking interprocedural location). > > gcc/ChangeLog: > * analyzer/program-point.cc: New file. > * analyzer/program-point.h: New file. > --- > > > diff --git a/gcc/analyzer/program-point.h b/gcc/analyzer/program- > point.h > new file mode 100644 > index 0000000..ad7b9cd > --- /dev/null > +++ b/gcc/analyzer/program-point.h > @@ -0,0 +1,316 @@ > +/* Classes for representing locations within the program. > + Copyright (C) 2019 Free Software Foundation, Inc. > + Contributed by David Malcolm <dmalc...@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/>;. */ > + > +#ifndef GCC_ANALYZER_PROGRAM_POINT_H > +#define GCC_ANALYZER_PROGRAM_POINT_H > + > +#include "analyzer/call-string.h" > +#include "analyzer/supergraph.h" > + > +class exploded_graph; > + > +/* An enum for distinguishing the various kinds of > program_point. */ > + > +enum point_kind { > + /* A "fake" node which has edges to all entrypoints. */ > + PK_ORIGIN, > + > + PK_BEFORE_SUPERNODE, > + PK_BEFORE_STMT, > + PK_AFTER_SUPERNODE, > + > + /* Special values used for hash_map: */ > + PK_EMPTY, > + PK_DELETED, > + > + NUM_POINT_KINDS > +}; Isn't this the cause of the hash_map stuff we're discussing with Martin? (PK_EMPTY is a non-zero value)?
Regardless, I don't see anything there to object to. We have to nail down the hash_map issues though. jeff