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/* Subclasses of custom_edge_info for describing outcomes of function calls.
Copyright (C) 2021-2022 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/>. */
#ifndef GCC_ANALYZER_CALL_INFO_H
#define GCC_ANALYZER_CALL_INFO_H
namespace ana {
/* Subclass of custom_edge_info for an outcome of a call.
This is still abstract; the update_model and get_desc vfuncs must be
implemented. */
class call_info : public custom_edge_info
{
public:
void print (pretty_printer *pp) const FINAL OVERRIDE;
void add_events_to_path (checker_path *emission_path,
const exploded_edge &eedge) const FINAL OVERRIDE;
const gcall *get_call_stmt () const { return m_call_stmt; }
tree get_fndecl () const { return m_fndecl; }
virtual label_text get_desc (bool can_colorize) const = 0;
call_details get_call_details (region_model *model,
region_model_context *ctxt) const;
protected:
call_info (const call_details &cd);
private:
const gcall *m_call_stmt;
tree m_fndecl;
};
/* Subclass of call_info for a "success" outcome of a call,
adding a "when `FNDECL' succeeds" message.
This is still abstract: the custom_edge_info::update_model vfunc
must be implemented. */
class success_call_info : public call_info
{
public:
label_text get_desc (bool can_colorize) const FINAL OVERRIDE;
protected:
success_call_info (const call_details &cd) : call_info (cd) {}
};
/* Subclass of call_info for a "failure" outcome of a call,
adding a "when `FNDECL' fails" message.
This is still abstract: the custom_edge_info::update_model vfunc
must be implemented. */
class failed_call_info : public call_info
{
public:
label_text get_desc (bool can_colorize) const FINAL OVERRIDE;
protected:
failed_call_info (const call_details &cd) : call_info (cd) {}
};
} // namespace ana
#endif /* GCC_ANALYZER_CALL_INFO_H */
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