mirror of
https://github.com/autc04/Retro68.git
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163 lines
4.4 KiB
C++
163 lines
4.4 KiB
C++
/* Subclasses of custom_edge_info for describing outcomes of function calls.
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Copyright (C) 2021-2022 Free Software Foundation, Inc.
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Contributed by David Malcolm <dmalcolm@redhat.com>.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#include "config.h"
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#include "system.h"
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#include "coretypes.h"
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#include "tree.h"
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#include "function.h"
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#include "basic-block.h"
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#include "gimple.h"
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#include "gimple-iterator.h"
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#include "diagnostic-core.h"
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#include "options.h"
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#include "cgraph.h"
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#include "tree-pretty-print.h"
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#include "tristate.h"
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#include "bitmap.h"
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#include "selftest.h"
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#include "function.h"
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#include "json.h"
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#include "analyzer/analyzer.h"
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#include "analyzer/analyzer-logging.h"
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#include "ordered-hash-map.h"
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#include "cfg.h"
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#include "digraph.h"
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#include "analyzer/supergraph.h"
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#include "sbitmap.h"
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#include "analyzer/call-string.h"
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#include "analyzer/program-point.h"
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#include "analyzer/store.h"
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#include "analyzer/region-model.h"
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#include "analyzer/constraint-manager.h"
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#include "diagnostic-event-id.h"
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#include "analyzer/sm.h"
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#include "analyzer/pending-diagnostic.h"
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#include "analyzer/region-model-reachability.h"
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#include "analyzer/analyzer-selftests.h"
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#include "analyzer/program-state.h"
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#include "diagnostic-path.h"
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#include "analyzer/checker-path.h"
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#include "analyzer/diagnostic-manager.h"
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#include "alloc-pool.h"
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#include "fibonacci_heap.h"
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#include "shortest-paths.h"
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#include "analyzer/exploded-graph.h"
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#include "analyzer/call-info.h"
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#if ENABLE_ANALYZER
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namespace ana {
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/* class call_info : public custom_eedge_info_t. */
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/* Implementation of custom_edge_info::print vfunc for call_info:
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use get_desc to get a label_text, and print it to PP. */
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void
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call_info::print (pretty_printer *pp) const
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{
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label_text desc (get_desc (pp_show_color (pp)));
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pp_string (pp, desc.m_buffer);
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desc.maybe_free ();
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}
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/* Implementation of custom_edge_info::add_events_to_path vfunc for
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call_info: add a custom_event using call_info::get_desc as its
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description. */
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void
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call_info::add_events_to_path (checker_path *emission_path,
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const exploded_edge &eedge) const
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{
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class call_event : public custom_event
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{
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public:
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call_event (location_t loc, tree fndecl, int depth,
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const call_info *call_info)
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: custom_event (loc, fndecl, depth),
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m_call_info (call_info)
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{}
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label_text get_desc (bool can_colorize) const
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{
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return m_call_info->get_desc (can_colorize);
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}
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private:
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const call_info *m_call_info;
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};
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const exploded_node *src_node = eedge.m_src;
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const program_point &src_point = src_node->get_point ();
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tree caller_fndecl = src_point.get_fndecl ();
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const int stack_depth = src_point.get_stack_depth ();
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emission_path->add_event (new call_event (get_call_stmt ()->location,
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caller_fndecl,
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stack_depth,
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this));
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}
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/* Recreate a call_details instance from this call_info. */
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call_details
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call_info::get_call_details (region_model *model,
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region_model_context *ctxt) const
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{
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return call_details (m_call_stmt, model, ctxt);
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}
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/* call_info's ctor.
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The call_info instance will outlive the call_details instance;
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call_details instances are typically created on the stack. */
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call_info::call_info (const call_details &cd)
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: m_call_stmt (cd.get_call_stmt ()),
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m_fndecl (cd.get_fndecl_for_call ())
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{
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gcc_assert (m_fndecl);
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}
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/* class success_call_info : public call_info. */
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/* Implementation of call_info::get_desc vfunc for success_call_info. */
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label_text
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success_call_info::get_desc (bool can_colorize) const
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{
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return make_label_text (can_colorize, "when %qE succeeds", get_fndecl ());
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}
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/* class failed_call_info : public call_info. */
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/* Implementation of call_info::get_desc vfunc for failed_call_info. */
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label_text
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failed_call_info::get_desc (bool can_colorize) const
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{
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return make_label_text (can_colorize, "when %qE fails", get_fndecl ());
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}
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} // namespace ana
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#endif /* #if ENABLE_ANALYZER */
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