mirror of git://gcc.gnu.org/git/gcc.git
141 lines
4.0 KiB
C++
141 lines
4.0 KiB
C++
/* Support code for handling the various dump_* calls in dumpfile.h
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Copyright (C) 2018 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
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it 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,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU 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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#ifndef GCC_DUMP_CONTEXT_H
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#define GCC_DUMP_CONTEXT_H 1
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/* A class for handling the various dump_* calls.
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In particular, this class has responsibility for consolidating
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the "dump_*" calls into optinfo instances (delimited by "dump_*_loc"
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calls), and emitting them.
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Putting this in a class (rather than as global state) allows
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for selftesting of this code. */
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class dump_context
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{
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friend class temp_dump_context;
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public:
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static dump_context &get () { return *s_current; }
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~dump_context ();
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void dump_loc (dump_flags_t dump_kind, const dump_location_t &loc);
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void dump_gimple_stmt (dump_flags_t dump_kind, dump_flags_t extra_dump_flags,
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gimple *gs, int spc);
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void dump_gimple_stmt_loc (dump_flags_t dump_kind,
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const dump_location_t &loc,
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dump_flags_t extra_dump_flags,
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gimple *gs, int spc);
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void dump_gimple_expr (dump_flags_t dump_kind,
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dump_flags_t extra_dump_flags,
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gimple *gs, int spc);
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void dump_gimple_expr_loc (dump_flags_t dump_kind,
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const dump_location_t &loc,
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dump_flags_t extra_dump_flags,
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gimple *gs,
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int spc);
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void dump_generic_expr (dump_flags_t dump_kind,
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dump_flags_t extra_dump_flags,
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tree t);
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void dump_generic_expr_loc (dump_flags_t dump_kind,
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const dump_location_t &loc,
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dump_flags_t extra_dump_flags,
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tree t);
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void dump_printf_va (dump_flags_t dump_kind, const char *format,
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va_list ap) ATTRIBUTE_PRINTF (3, 0);
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void dump_printf_loc_va (dump_flags_t dump_kind, const dump_location_t &loc,
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const char *format, va_list ap)
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ATTRIBUTE_PRINTF (4, 0);
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template<unsigned int N, typename C>
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void dump_dec (dump_flags_t dump_kind, const poly_int<N, C> &value);
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void dump_symtab_node (dump_flags_t dump_kind, symtab_node *node);
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/* Managing nested scopes. */
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unsigned int get_scope_depth () const;
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void begin_scope (const char *name, const dump_location_t &loc);
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void end_scope ();
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/* For use in selftests; if true then optinfo_enabled_p is true. */
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bool forcibly_enable_optinfo_p () const
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{
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return m_forcibly_enable_optinfo;
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}
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void end_any_optinfo ();
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private:
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optinfo &ensure_pending_optinfo ();
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optinfo &begin_next_optinfo (const dump_location_t &loc);
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/* For use in selftests; if true then optinfo_enabled_p is true. */
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bool m_forcibly_enable_optinfo;
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/* The current nesting depth of dump scopes, for showing nesting
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via indentation). */
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unsigned int m_scope_depth;
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/* The optinfo currently being accumulated since the last dump_*_loc call,
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if any. */
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optinfo *m_pending;
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/* The currently active dump_context, for use by the dump_* API calls. */
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static dump_context *s_current;
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/* The default active context. */
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static dump_context s_default;
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};
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#if CHECKING_P
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/* An RAII-style class for use in selftests for temporarily using a different
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dump_context. */
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class temp_dump_context
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{
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public:
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temp_dump_context (bool forcibly_enable_optinfo);
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~temp_dump_context ();
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/* Support for selftests. */
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optinfo *get_pending_optinfo () const { return m_context.m_pending; }
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private:
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dump_context m_context;
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dump_context *m_saved;
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bool m_saved_flag_remarks;
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};
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#endif /* CHECKING_P */
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#endif /* GCC_DUMP_CONTEXT_H */
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