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1 : : /* Subclasses of custom_edge_info for describing outcomes of function calls.
2 : : Copyright (C) 2021-2024 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 : : #ifndef GCC_ANALYZER_CALL_INFO_H
22 : : #define GCC_ANALYZER_CALL_INFO_H
23 : :
24 : : namespace ana {
25 : :
26 : : /* Subclass of custom_edge_info for an outcome of a call.
27 : : This is still abstract; the update_model and print_desc vfuncs must be
28 : : implemented. */
29 : :
30 : 0 : class call_info : public custom_edge_info
31 : : {
32 : : public:
33 : : void print (pretty_printer *pp) const final override;
34 : : void add_events_to_path (checker_path *emission_path,
35 : : const exploded_edge &eedge) const final override;
36 : :
37 : 292 : const gcall *get_call_stmt () const { return m_call_stmt; }
38 : 482 : tree get_fndecl () const { return m_fndecl; }
39 : :
40 : : virtual void print_desc (pretty_printer &pp) const = 0;
41 : :
42 : : call_details get_call_details (region_model *model,
43 : : region_model_context *ctxt) const;
44 : :
45 : : protected:
46 : : call_info (const call_details &cd);
47 : : call_info (const call_details &cd, const function &called_fn);
48 : :
49 : : private:
50 : : const gcall *m_call_stmt;
51 : : tree m_fndecl;
52 : : };
53 : :
54 : : /* Subclass of call_info for a "success" outcome of a call,
55 : : adding either a
56 : : "when `FNDECL' succeeds" message (when 'success' is true)
57 : : or a
58 : : "when `FNDECL' fails" message (when 'success' is false).
59 : : This is still abstract: the custom_edge_info::update_model vfunc
60 : : must be implemented. */
61 : :
62 : 0 : class succeed_or_fail_call_info : public call_info
63 : : {
64 : : public:
65 : : void print_desc (pretty_printer &pp) const final override;
66 : :
67 : : protected:
68 : 1731 : succeed_or_fail_call_info (const call_details &cd, bool success)
69 : 2150 : : call_info (cd), m_success (success) {}
70 : :
71 : : bool m_success;
72 : : };
73 : :
74 : : /* Subclass of call_info for a "success" outcome of a call,
75 : : adding a "when `FNDECL' succeeds" message.
76 : : This is still abstract: the custom_edge_info::update_model vfunc
77 : : must be implemented. */
78 : :
79 : : class success_call_info : public succeed_or_fail_call_info
80 : : {
81 : : protected:
82 : 9 : success_call_info (const call_details &cd)
83 : 9 : : succeed_or_fail_call_info (cd, true)
84 : : {}
85 : : };
86 : :
87 : : /* Subclass of call_info for a "failure" outcome of a call,
88 : : adding a "when `FNDECL' fails" message.
89 : : This is still abstract: the custom_edge_info::update_model vfunc
90 : : must be implemented. */
91 : :
92 : 0 : class failed_call_info : public succeed_or_fail_call_info
93 : : {
94 : : protected:
95 : 446 : failed_call_info (const call_details &cd)
96 : 446 : : succeed_or_fail_call_info (cd, false)
97 : : {}
98 : : };
99 : :
100 : : } // namespace ana
101 : :
102 : : #endif /* GCC_ANALYZER_CALL_INFO_H */
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