79 lines
2.3 KiB
C++
79 lines
2.3 KiB
C++
/* Header file for the GIMPLE range tracing/debugging facilities.
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Copyright (C) 2021-2023 Free Software Foundation, Inc.
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Contributed by Andrew MacLeod <amacleod@redhat.com>
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and Aldy Hernandez <aldyh@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 it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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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_GIMPLE_RANGE_TRACE_H
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#define GCC_GIMPLE_RANGE_TRACE_H
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// This class manages range tracing for the ranger and gori components.
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// Tracing will provide a unique integer index whenever a new trace
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// is started. This can be used to identify where a calculation has gone wrong.
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class range_tracer
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{
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public:
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range_tracer (const char *name = "");
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unsigned header (const char *str);
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void trailer (unsigned counter, const char *caller, bool result, tree name,
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const vrange &r);
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void print (unsigned counter, const char *str);
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inline void enable_trace () { tracing = true; }
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inline void disable_trace () { tracing = false; }
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virtual void breakpoint (unsigned index);
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private:
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unsigned do_header (const char *str);
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void print_prefix (unsigned idx, bool blanks);
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static const unsigned bump = 2;
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unsigned indent;
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static const unsigned name_len = 100;
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char component[name_len];
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bool tracing;
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};
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// If tracing is enabled, start a new trace header, returning the trace index.
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// Otherwise return 0.
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inline unsigned
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range_tracer::header (const char *str)
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{
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if (tracing)
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return do_header (str);
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return 0;
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}
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// RAII class to change current dump_file and dump_flags, and restore
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// when the object goes out of scope.
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class push_dump_file
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{
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public:
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push_dump_file (FILE *, dump_flags_t);
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~push_dump_file ();
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private:
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FILE *old_dump_file;
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dump_flags_t old_dump_flags;
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};
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void dump_ranger (FILE *);
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void dump_ranger (FILE *, const vec<basic_block> &path);
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#endif // GCC_GIMPLE_RANGE_TRACE_H
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