LCOV - code coverage report
Current view: top level - gcc/analyzer - call-info.cc (source / functions) Coverage Total Hit
Test: gcc.info Lines: 89.4 % 47 42
Test Date: 2026-02-07 14:15:14 Functions: 90.0 % 10 9
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: - 0 0

             Branch data     Line data    Source code
       1                 :             : /* Subclasses of custom_edge_info for describing outcomes of function calls.
       2                 :             :    Copyright (C) 2021-2026 Free Software Foundation, Inc.
       3                 :             :    Contributed by David Malcolm <dmalcolm@redhat.com>.
       4                 :             : 
       5                 :             : This file is part of GCC.
       6                 :             : 
       7                 :             : GCC is free software; you can redistribute it and/or modify it
       8                 :             : under the terms of the GNU General Public License as published by
       9                 :             : the Free Software Foundation; either version 3, or (at your option)
      10                 :             : any later version.
      11                 :             : 
      12                 :             : GCC is distributed in the hope that it will be useful, but
      13                 :             : WITHOUT ANY WARRANTY; without even the implied warranty of
      14                 :             : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      15                 :             : General Public License for more details.
      16                 :             : 
      17                 :             : You should have received a copy of the GNU General Public License
      18                 :             : along with GCC; see the file COPYING3.  If not see
      19                 :             : <http://www.gnu.org/licenses/>.  */
      20                 :             : 
      21                 :             : #include "analyzer/common.h"
      22                 :             : 
      23                 :             : #include "ordered-hash-map.h"
      24                 :             : #include "cfg.h"
      25                 :             : #include "digraph.h"
      26                 :             : #include "sbitmap.h"
      27                 :             : #include "diagnostics/event-id.h"
      28                 :             : 
      29                 :             : #include "analyzer/analyzer-logging.h"
      30                 :             : #include "analyzer/supergraph.h"
      31                 :             : #include "analyzer/call-string.h"
      32                 :             : #include "analyzer/program-point.h"
      33                 :             : #include "analyzer/store.h"
      34                 :             : #include "analyzer/region-model.h"
      35                 :             : #include "analyzer/constraint-manager.h"
      36                 :             : #include "analyzer/sm.h"
      37                 :             : #include "analyzer/pending-diagnostic.h"
      38                 :             : #include "analyzer/region-model-reachability.h"
      39                 :             : #include "analyzer/analyzer-selftests.h"
      40                 :             : #include "analyzer/program-state.h"
      41                 :             : #include "analyzer/checker-path.h"
      42                 :             : #include "analyzer/diagnostic-manager.h"
      43                 :             : #include "analyzer/exploded-graph.h"
      44                 :             : #include "analyzer/call-details.h"
      45                 :             : #include "analyzer/call-info.h"
      46                 :             : 
      47                 :             : #if ENABLE_ANALYZER
      48                 :             : 
      49                 :             : namespace ana {
      50                 :             : 
      51                 :             : /* class custom_edge_info.  */
      52                 :             : 
      53                 :             : bool
      54                 :        8226 : custom_edge_info::update_state (program_state *state,
      55                 :             :                                 const exploded_edge *eedge,
      56                 :             :                                 region_model_context *ctxt) const
      57                 :             : {
      58                 :        8226 :   return update_model (state->m_region_model, eedge, ctxt);
      59                 :             : }
      60                 :             : 
      61                 :             : void
      62                 :           6 : custom_edge_info::get_dot_attrs (const char *&out_style,
      63                 :             :                                  const char *&out_color) const
      64                 :             : {
      65                 :           6 :   out_color = "red";
      66                 :           6 :   out_style = "\"dotted\"";
      67                 :           6 : }
      68                 :             : 
      69                 :             : /* Base implementation of custom_edge_info::create_enode vfunc.  */
      70                 :             : 
      71                 :             : exploded_node *
      72                 :        2547 : custom_edge_info::create_enode (exploded_graph &eg,
      73                 :             :                                 const program_point &point,
      74                 :             :                                 program_state &&state,
      75                 :             :                                 exploded_node *enode_for_diag,
      76                 :             :                                 region_model_context *) const
      77                 :             : {
      78                 :        2547 :   return eg.get_or_create_node (point, state, enode_for_diag);
      79                 :             : }
      80                 :             : 
      81                 :             : /* class call_info : public custom_edge_info.  */
      82                 :             : 
      83                 :             : /* Implementation of custom_edge_info::print vfunc for call_info.  */
      84                 :             : 
      85                 :             : void
      86                 :           0 : call_info::print (pretty_printer *pp) const
      87                 :             : {
      88                 :           0 :   gcc_assert (pp);
      89                 :           0 :   print_desc (*pp);
      90                 :           0 : }
      91                 :             : 
      92                 :             : /* Implementation of custom_edge_info::add_events_to_path vfunc for
      93                 :             :    call_info: add a custom_event using call_info::get_desc as its
      94                 :             :    description.  */
      95                 :             : 
      96                 :             : void
      97                 :         280 : call_info::add_events_to_path (checker_path *emission_path,
      98                 :             :                                const exploded_edge &eedge,
      99                 :             :                                pending_diagnostic &) const
     100                 :             : {
     101                 :           0 :   class call_event : public custom_event
     102                 :             :   {
     103                 :             :   public:
     104                 :         280 :     call_event (const event_loc_info &loc_info,
     105                 :             :                 const call_info *call_info)
     106                 :         280 :     : custom_event (loc_info),
     107                 :         280 :       m_call_info (call_info)
     108                 :             :     {}
     109                 :             : 
     110                 :         544 :     void print_desc (pretty_printer &pp) const final override
     111                 :             :     {
     112                 :         544 :       m_call_info->print_desc (pp);
     113                 :         544 :     }
     114                 :             : 
     115                 :             :   private:
     116                 :             :     const call_info *m_call_info;
     117                 :             :   };
     118                 :             : 
     119                 :         280 :   const exploded_node *src_node = eedge.m_src;
     120                 :         280 :   const program_point &src_point = src_node->get_point ();
     121                 :         280 :   tree caller_fndecl = src_point.get_fndecl ();
     122                 :         280 :   const int stack_depth = src_point.get_stack_depth ();
     123                 :             : 
     124                 :         280 :   emission_path->add_event
     125                 :         280 :     (std::make_unique<call_event> (event_loc_info (get_call_stmt ().location,
     126                 :             :                                                    caller_fndecl,
     127                 :         280 :                                                    stack_depth),
     128                 :         280 :                                    this));
     129                 :         280 : }
     130                 :             : 
     131                 :             : /* Recreate a call_details instance from this call_info.  */
     132                 :             : 
     133                 :             : call_details
     134                 :        4412 : call_info::get_call_details (region_model *model,
     135                 :             :                              region_model_context *ctxt) const
     136                 :             : {
     137                 :        4412 :   return call_details (m_call_stmt, model, ctxt);
     138                 :             : }
     139                 :             : 
     140                 :             : /* call_info's ctor.
     141                 :             : 
     142                 :             :    The call_info instance will outlive the call_details instance;
     143                 :             :    call_details instances are typically created on the stack.  */
     144                 :             : 
     145                 :        3213 : call_info::call_info (const call_details &cd)
     146                 :        3213 : : m_call_stmt (cd.get_call_stmt ()),
     147                 :        3213 :   m_fndecl (cd.get_fndecl_for_call ())
     148                 :             : {
     149                 :        3213 :   gcc_assert (m_fndecl);
     150                 :        3213 : }
     151                 :             : 
     152                 :        1418 : call_info::call_info (const call_details &cd,
     153                 :        1418 :                       const function &called_fn)
     154                 :        1418 : : m_call_stmt (cd.get_call_stmt ()),
     155                 :        1418 :   m_fndecl (called_fn.decl)
     156                 :             : {
     157                 :        1418 :   gcc_assert (m_fndecl);
     158                 :        1418 : }
     159                 :             : 
     160                 :             : /* class succeed_or_fail_call_info : public call_info.  */
     161                 :             : 
     162                 :             : void
     163                 :         280 : succeed_or_fail_call_info::print_desc (pretty_printer &pp) const
     164                 :             : {
     165                 :         280 :   if (m_success)
     166                 :         168 :     pp_printf (&pp, "when %qE succeeds", get_fndecl ());
     167                 :             :   else
     168                 :         112 :     pp_printf (&pp, "when %qE fails", get_fndecl ());
     169                 :         280 : }
     170                 :             : 
     171                 :             : } // namespace ana
     172                 :             : 
     173                 :             : #endif /* #if ENABLE_ANALYZER */
        

Generated by: LCOV version 2.1-beta

LCOV profile is generated on x86_64 machine using following configure options: configure --disable-bootstrap --enable-coverage=opt --enable-languages=c,c++,fortran,go,jit,lto,rust,m2 --enable-host-shared. GCC test suite is run with the built compiler.