| 1 | /* Producer string parsers for GDB. |
| 2 | |
| 3 | Copyright (C) 2012-2017 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GDB. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 3 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | #include "defs.h" |
| 21 | #include "producer.h" |
| 22 | #include "selftest.h" |
| 23 | |
| 24 | /* See producer.h. */ |
| 25 | |
| 26 | int |
| 27 | producer_is_gcc_ge_4 (const char *producer) |
| 28 | { |
| 29 | int major, minor; |
| 30 | |
| 31 | if (! producer_is_gcc (producer, &major, &minor)) |
| 32 | return -1; |
| 33 | if (major < 4) |
| 34 | return -1; |
| 35 | if (major > 4) |
| 36 | return INT_MAX; |
| 37 | return minor; |
| 38 | } |
| 39 | |
| 40 | /* See producer.h. */ |
| 41 | |
| 42 | int |
| 43 | producer_is_gcc (const char *producer, int *major, int *minor) |
| 44 | { |
| 45 | const char *cs; |
| 46 | |
| 47 | if (producer != NULL && startswith (producer, "GNU ")) |
| 48 | { |
| 49 | int maj, min; |
| 50 | |
| 51 | if (major == NULL) |
| 52 | major = &maj; |
| 53 | if (minor == NULL) |
| 54 | minor = &min; |
| 55 | |
| 56 | /* Skip any identifier after "GNU " - such as "C11" "C++" or "Java". |
| 57 | A full producer string might look like: |
| 58 | "GNU C 4.7.2" |
| 59 | "GNU Fortran 4.8.2 20140120 (Red Hat 4.8.2-16) -mtune=generic ..." |
| 60 | "GNU C++14 5.0.0 20150123 (experimental)" |
| 61 | */ |
| 62 | cs = &producer[strlen ("GNU ")]; |
| 63 | while (*cs && !isspace (*cs)) |
| 64 | cs++; |
| 65 | if (*cs && isspace (*cs)) |
| 66 | cs++; |
| 67 | if (sscanf (cs, "%d.%d", major, minor) == 2) |
| 68 | return 1; |
| 69 | } |
| 70 | |
| 71 | /* Not recognized as GCC. */ |
| 72 | return 0; |
| 73 | } |
| 74 | |
| 75 | |
| 76 | /* See producer.h. */ |
| 77 | |
| 78 | bool |
| 79 | producer_is_icc (const char *producer, int *major, int *minor) |
| 80 | { |
| 81 | if (producer == NULL || !startswith (producer, "Intel(R)")) |
| 82 | return false; |
| 83 | |
| 84 | /* Prepare the used fields. */ |
| 85 | int maj, min; |
| 86 | if (major == NULL) |
| 87 | major = &maj; |
| 88 | if (minor == NULL) |
| 89 | minor = &min; |
| 90 | |
| 91 | *minor = 0; |
| 92 | *major = 0; |
| 93 | |
| 94 | /* Consumes the string till a "Version" is found. */ |
| 95 | const char *cs = strstr (producer, "Version"); |
| 96 | if (cs != NULL) |
| 97 | { |
| 98 | cs = skip_to_space (cs); |
| 99 | |
| 100 | int intermediate = 0; |
| 101 | int nof = sscanf (cs, "%d.%d.%d.%*d", major, &intermediate, minor); |
| 102 | |
| 103 | /* Internal versions are represented only as MAJOR.MINOR, where |
| 104 | minor is usually 0. |
| 105 | Public versions have 3 fields as described with the command |
| 106 | above. */ |
| 107 | if (nof == 3) |
| 108 | return true; |
| 109 | |
| 110 | if (nof == 2) |
| 111 | { |
| 112 | *minor = intermediate; |
| 113 | return true; |
| 114 | } |
| 115 | } |
| 116 | |
| 117 | static bool warning_printed = false; |
| 118 | /* Not recognized as Intel, let the user know. */ |
| 119 | if (!warning_printed) |
| 120 | { |
| 121 | warning (_("Could not recognize version of Intel Compiler in: \"%s\""), |
| 122 | producer); |
| 123 | warning_printed = true; |
| 124 | } |
| 125 | return false; |
| 126 | } |
| 127 | |
| 128 | #if defined GDB_SELF_TEST |
| 129 | namespace selftests { |
| 130 | namespace producer { |
| 131 | |
| 132 | static void |
| 133 | producer_parsing_tests () |
| 134 | { |
| 135 | { |
| 136 | /* Check that we don't crash if "Version" is not found in what |
| 137 | looks like an ICC producer string. */ |
| 138 | static const char icc_no_version[] = "Intel(R) foo bar"; |
| 139 | |
| 140 | int major = 0, minor = 0; |
| 141 | SELF_CHECK (!producer_is_icc (icc_no_version, &major, &minor)); |
| 142 | SELF_CHECK (!producer_is_gcc (icc_no_version, &major, &minor)); |
| 143 | } |
| 144 | |
| 145 | { |
| 146 | static const char extern_f_14_1[] = "\ |
| 147 | Intel(R) Fortran Intel(R) 64 Compiler XE for applications running on \ |
| 148 | Intel(R) 64, \ |
| 149 | Version 14.0.1.074 Build 20130716"; |
| 150 | |
| 151 | int major = 0, minor = 0; |
| 152 | SELF_CHECK (producer_is_icc (extern_f_14_1, &major, &minor) |
| 153 | && major == 14 && minor == 1); |
| 154 | SELF_CHECK (!producer_is_gcc (extern_f_14_1, &major, &minor)); |
| 155 | } |
| 156 | |
| 157 | { |
| 158 | static const char intern_f_14[] = "\ |
| 159 | Intel(R) Fortran Intel(R) 64 Compiler XE for applications running on \ |
| 160 | Intel(R) 64, \ |
| 161 | Version 14.0"; |
| 162 | |
| 163 | int major = 0, minor = 0; |
| 164 | SELF_CHECK (producer_is_icc (intern_f_14, &major, &minor) |
| 165 | && major == 14 && minor == 0); |
| 166 | SELF_CHECK (!producer_is_gcc (intern_f_14, &major, &minor)); |
| 167 | } |
| 168 | |
| 169 | { |
| 170 | static const char intern_c_14[] = "\ |
| 171 | Intel(R) C++ Intel(R) 64 Compiler XE for applications running on \ |
| 172 | Intel(R) 64, \ |
| 173 | Version 14.0"; |
| 174 | int major = 0, minor = 0; |
| 175 | SELF_CHECK (producer_is_icc (intern_c_14, &major, &minor) |
| 176 | && major == 14 && minor == 0); |
| 177 | SELF_CHECK (!producer_is_gcc (intern_c_14, &major, &minor)); |
| 178 | } |
| 179 | |
| 180 | { |
| 181 | static const char intern_c_18[] = "\ |
| 182 | Intel(R) C++ Intel(R) 64 Compiler for applications running on \ |
| 183 | Intel(R) 64, \ |
| 184 | Version 18.0 Beta"; |
| 185 | int major = 0, minor = 0; |
| 186 | SELF_CHECK (producer_is_icc (intern_c_18, &major, &minor) |
| 187 | && major == 18 && minor == 0); |
| 188 | } |
| 189 | |
| 190 | { |
| 191 | static const char gnu[] = "GNU C 4.7.2"; |
| 192 | SELF_CHECK (!producer_is_icc (gnu, NULL, NULL)); |
| 193 | |
| 194 | int major = 0, minor = 0; |
| 195 | SELF_CHECK (producer_is_gcc (gnu, &major, &minor) |
| 196 | && major == 4 && minor == 7); |
| 197 | } |
| 198 | |
| 199 | { |
| 200 | static const char gnu_exp[] = "GNU C++14 5.0.0 20150123 (experimental)"; |
| 201 | int major = 0, minor = 0; |
| 202 | SELF_CHECK (!producer_is_icc (gnu_exp, NULL, NULL)); |
| 203 | SELF_CHECK (producer_is_gcc (gnu_exp, &major, &minor) |
| 204 | && major == 5 && minor == 0); |
| 205 | } |
| 206 | } |
| 207 | } |
| 208 | } |
| 209 | #endif |
| 210 | |
| 211 | void |
| 212 | _initialize_producer () |
| 213 | { |
| 214 | #if defined GDB_SELF_TEST |
| 215 | selftests::register_test |
| 216 | ("producer-parser", selftests::producer::producer_parsing_tests); |
| 217 | #endif |
| 218 | } |