| /* 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/>. */ |
| |
| #include "config.h" |
| #define INCLUDE_MEMORY |
| #include "system.h" |
| #include "coretypes.h" |
| #include "tree.h" |
| #include "function.h" |
| #include "basic-block.h" |
| #include "gimple.h" |
| #include "gimple-iterator.h" |
| #include "diagnostic-core.h" |
| #include "options.h" |
| #include "cgraph.h" |
| #include "tree-pretty-print.h" |
| #include "bitmap.h" |
| #include "analyzer/analyzer.h" |
| #include "analyzer/analyzer-logging.h" |
| #include "ordered-hash-map.h" |
| #include "cfg.h" |
| #include "digraph.h" |
| #include "analyzer/supergraph.h" |
| #include "sbitmap.h" |
| #include "analyzer/call-string.h" |
| #include "analyzer/program-point.h" |
| #include "analyzer/store.h" |
| #include "analyzer/region-model.h" |
| #include "analyzer/constraint-manager.h" |
| #include "diagnostic-event-id.h" |
| #include "analyzer/sm.h" |
| #include "analyzer/pending-diagnostic.h" |
| #include "analyzer/region-model-reachability.h" |
| #include "analyzer/analyzer-selftests.h" |
| #include "analyzer/program-state.h" |
| #include "diagnostic-path.h" |
| #include "analyzer/checker-path.h" |
| #include "analyzer/diagnostic-manager.h" |
| #include "analyzer/exploded-graph.h" |
| #include "analyzer/call-info.h" |
| #include "make-unique.h" |
| |
| #if ENABLE_ANALYZER |
| |
| namespace ana { |
| |
| /* class custom_edge_info. */ |
| |
| bool |
| custom_edge_info::update_state (program_state *state, |
| const exploded_edge *eedge, |
| region_model_context *ctxt) const |
| { |
| return update_model (state->m_region_model, eedge, ctxt); |
| } |
| |
| /* class call_info : public custom_edge_info. */ |
| |
| /* Implementation of custom_edge_info::print vfunc for call_info: |
| use get_desc to get a label_text, and print it to PP. */ |
| |
| void |
| call_info::print (pretty_printer *pp) const |
| { |
| label_text desc (get_desc (pp_show_color (pp))); |
| pp_string (pp, desc.get ()); |
| } |
| |
| /* Implementation of custom_edge_info::add_events_to_path vfunc for |
| call_info: add a custom_event using call_info::get_desc as its |
| description. */ |
| |
| void |
| call_info::add_events_to_path (checker_path *emission_path, |
| const exploded_edge &eedge) const |
| { |
| class call_event : public custom_event |
| { |
| public: |
| call_event (location_t loc, tree fndecl, int depth, |
| const call_info *call_info) |
| : custom_event (loc, fndecl, depth), |
| m_call_info (call_info) |
| {} |
| |
| label_text get_desc (bool can_colorize) const final override |
| { |
| return m_call_info->get_desc (can_colorize); |
| } |
| |
| private: |
| const call_info *m_call_info; |
| }; |
| |
| const exploded_node *src_node = eedge.m_src; |
| const program_point &src_point = src_node->get_point (); |
| tree caller_fndecl = src_point.get_fndecl (); |
| const int stack_depth = src_point.get_stack_depth (); |
| |
| emission_path->add_event (make_unique<call_event> (get_call_stmt ()->location, |
| caller_fndecl, |
| stack_depth, |
| this)); |
| } |
| |
| /* Recreate a call_details instance from this call_info. */ |
| |
| call_details |
| call_info::get_call_details (region_model *model, |
| region_model_context *ctxt) const |
| { |
| return call_details (m_call_stmt, model, ctxt); |
| } |
| |
| /* call_info's ctor. |
| |
| The call_info instance will outlive the call_details instance; |
| call_details instances are typically created on the stack. */ |
| |
| call_info::call_info (const call_details &cd) |
| : m_call_stmt (cd.get_call_stmt ()), |
| m_fndecl (cd.get_fndecl_for_call ()) |
| { |
| gcc_assert (m_fndecl); |
| } |
| |
| /* class succeed_or_fail_call_info : public call_info. */ |
| |
| label_text |
| succeed_or_fail_call_info::get_desc (bool can_colorize) const |
| { |
| if (m_success) |
| return make_label_text (can_colorize, "when %qE succeeds", get_fndecl ()); |
| else |
| return make_label_text (can_colorize, "when %qE fails", get_fndecl ()); |
| } |
| |
| } // namespace ana |
| |
| #endif /* #if ENABLE_ANALYZER */ |