toplev.h revision 1.9 
1/* toplev.h - Various declarations for functions found in toplev.c
2   Copyright (C) 1998-2018 Free Software Foundation, Inc.
3
4This file is part of GCC.
5
6GCC is free software; you can redistribute it and/or modify it under
7the terms of the GNU General Public License as published by the Free
8Software Foundation; either version 3, or (at your option) any later
9version.
10
11GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12WARRANTY; without even the implied warranty of MERCHANTABILITY or
13FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14for more details.
15
16You should have received a copy of the GNU General Public License
17along with GCC; see the file COPYING3.  If not see
18<http://www.gnu.org/licenses/>.  */
19
20#ifndef GCC_TOPLEV_H
21#define GCC_TOPLEV_H
22
23/* Decoded options, and number of such options.  */
24extern struct cl_decoded_option *save_decoded_options;
25extern unsigned int save_decoded_options_count;
26
27class timer;
28
29/* Invoking the compiler.  */
30class toplev
31{
32public:
33  toplev (timer *external_timer,
34	  bool init_signals);
35  ~toplev ();
36
37  int main (int argc, char **argv);
38
39  void finalize ();
40
41private:
42
43  void start_timevars ();
44
45  void run_self_tests ();
46
47  bool m_use_TV_TOTAL;
48  bool m_init_signals;
49};
50
51extern void rest_of_decl_compilation (tree, int, int);
52extern void rest_of_type_compilation (tree, int);
53extern void init_optimization_passes (void);
54extern bool enable_rtl_dump_file (void);
55
56/* In except.c.  Initialize exception handling.  This is used by the Ada
57   and LTO front ends to initialize EH "on demand".  See lto-streamer-in.c
58   and ada/gcc-interface/misc.c.  */
59extern void init_eh (void);
60
61extern void announce_function (tree);
62
63extern void wrapup_global_declaration_1 (tree);
64extern bool wrapup_global_declaration_2 (tree);
65extern bool wrapup_global_declarations (tree *, int);
66
67extern void global_decl_processing (void);
68
69extern void dump_memory_report (bool);
70extern void dump_profile_report (void);
71
72extern void target_reinit (void);
73
74/* A unique local time stamp, might be zero if none is available.  */
75extern unsigned local_tick;
76
77/* See toplev.c.  */
78extern int flag_rerun_cse_after_global_opts;
79
80extern void print_version (FILE *, const char *, bool);
81
82/* The hashtable, so that the C front ends can pass it to cpplib.  */
83extern struct ht *ident_hash;
84
85/* Functions used to get and set GCC's notion of in what directory
86   compilation was started.  */
87
88extern const char *get_src_pwd	       (void);
89extern bool set_src_pwd		       (const char *);
90
91/* Functions used to manipulate the random seed.  */
92
93extern HOST_WIDE_INT get_random_seed (bool);
94extern void set_random_seed (const char *);
95
96extern void initialize_rtl (void);
97
98#endif /* ! GCC_TOPLEV_H */
99