| 1 | /* Print wide integers. |
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| 2 | Copyright (C) 2013-2025 Free Software Foundation, Inc. |
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| 3 | |
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| 4 | This file is part of GCC. |
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| 5 | |
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| 6 | GCC is free software; you can redistribute it and/or modify it |
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| 7 | under the terms of the GNU General Public License as published by the |
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| 8 | Free Software Foundation; either version 3, or (at your option) any |
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| 9 | later version. |
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| 10 | |
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| 11 | GCC is distributed in the hope that it will be useful, but WITHOUT |
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| 12 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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| 13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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| 14 | for more details. |
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| 15 | |
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| 16 | You should have received a copy of the GNU General Public License |
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| 17 | along with GCC; see the file COPYING3. If not see |
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| 18 | <http://www.gnu.org/licenses/>. */ |
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| 19 | |
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| 20 | #ifndef WIDE_INT_PRINT_H |
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| 21 | #define WIDE_INT_PRINT_H |
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| 22 | |
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| 23 | #include <stdio.h> |
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| 24 | |
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| 25 | #define WIDE_INT_PRINT_BUFFER_SIZE (WIDE_INT_MAX_INL_PRECISION / 4 + 4) |
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| 26 | |
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| 27 | /* Printing functions. */ |
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| 28 | |
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| 29 | extern void print_dec (const wide_int_ref &wi, char *buf, signop sgn); |
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| 30 | extern void print_dec (const wide_int_ref &wi, FILE *file, signop sgn); |
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| 31 | extern void print_decs (const wide_int_ref &wi, char *buf); |
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| 32 | extern void print_decs (const wide_int_ref &wi, FILE *file); |
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| 33 | extern void print_decu (const wide_int_ref &wi, char *buf); |
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| 34 | extern void print_decu (const wide_int_ref &wi, FILE *file); |
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| 35 | extern void print_hex (const wide_int_ref &wi, char *buf); |
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| 36 | extern void print_hex (const wide_int_ref &wi, FILE *file); |
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| 37 | extern void pp_wide_int_large (pretty_printer *, const wide_int_ref &, signop); |
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| 38 | |
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| 39 | inline bool |
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| 40 | print_dec_buf_size (const wide_int_ref &wi, signop sgn, unsigned int *len) |
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| 41 | { |
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| 42 | unsigned int l = wi.get_len (); |
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| 43 | if ((l != 1 || sgn == UNSIGNED) && wi::neg_p (x: wi)) |
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| 44 | l = WIDE_INT_MAX_HWIS (wi.get_precision ()); |
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| 45 | l = l * HOST_BITS_PER_WIDE_INT / 3 + 3; |
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| 46 | *len = l; |
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| 47 | return UNLIKELY (l > WIDE_INT_PRINT_BUFFER_SIZE); |
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| 48 | } |
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| 49 | |
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| 50 | inline bool |
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| 51 | print_decs_buf_size (const wide_int_ref &wi, unsigned int *len) |
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| 52 | { |
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| 53 | return print_dec_buf_size (wi, sgn: SIGNED, len); |
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| 54 | } |
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| 55 | |
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| 56 | inline bool |
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| 57 | print_decu_buf_size (const wide_int_ref &wi, unsigned int *len) |
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| 58 | { |
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| 59 | return print_dec_buf_size (wi, sgn: UNSIGNED, len); |
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| 60 | } |
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| 61 | |
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| 62 | inline bool |
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| 63 | print_hex_buf_size (const wide_int_ref &wi, unsigned int *len) |
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| 64 | { |
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| 65 | unsigned int l; |
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| 66 | if (wi::neg_p (x: wi)) |
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| 67 | l = WIDE_INT_MAX_HWIS (wi.get_precision ()); |
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| 68 | else |
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| 69 | l = wi.get_len (); |
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| 70 | l = l * HOST_BITS_PER_WIDE_INT / 4 + 4; |
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| 71 | *len = l; |
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| 72 | return UNLIKELY (l > WIDE_INT_PRINT_BUFFER_SIZE); |
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| 73 | } |
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| 74 | |
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| 75 | #endif /* WIDE_INT_PRINT_H */ |
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| 76 | |
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