1 # Executing Actions. -*- Autotest -*- 2 3 # Copyright (C) 2002, 2004-2005, 2007, 2009-2012 Free Software 4 # Foundation, Inc. 5 6 # This program is free software: you can redistribute it and/or modify 7 # it under the terms of the GNU General Public License as published by 8 # the Free Software Foundation, either version 3 of the License, or 9 # (at your option) any later version. 10 # 11 # This program is distributed in the hope that it will be useful, 12 # but WITHOUT ANY WARRANTY; without even the implied warranty of 13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 # GNU General Public License for more details. 15 # 16 # You should have received a copy of the GNU General Public License 17 # along with this program. If not, see <http://www.gnu.org/licenses/>. 18 19 AT_BANNER([[User Actions.]]) 20 21 22 # AT_SYNCLINES_COMPILE(FILE) 23 # -------------------------- 24 # Compile FILE expecting an error, and save in the file stdout the 25 # normalized output. Ignore the exit status, since some compilers 26 # (e.g. c89 on IRIX 6.5) trigger warnings on `#error', instead of 27 # errors. 28 m4_define([AT_SYNCLINES_COMPILE], 29 [AT_CHECK([$CC $CFLAGS $CPPFLAGS -c $1], [ignore], [], [stderr]) 30 31 # Transform stderr into something like this: 32 # 33 # input.y:4: #error "4" 34 # 35 # In case GCC displays column information, strip it down. 36 # 37 # input.y:4:2: #error "4" or 38 # input.y:4.2: #error "4" or 39 # input.y:4:2: error: #error "4" 40 # => 41 # input.y:4: #error "4" 42 # 43 # It may also issue more context information: 44 # 45 # input.y: In function 'yyparse': 46 # input.y:8: #error "8" 47 # => 48 # input.y:4: #error "8" 49 # 50 # The message may include a caret-error (indented by GCC 4.8, 51 # not by clang 3.2): 52 # 53 # input.y:1:2: error: #error "1" 54 # #error "1" 55 # ^ 56 # 57 # Possibly distcc adds its bits. 58 # 59 # distcc[33187] ERROR: compile (null) on localhost failed 60 # syncline.c:1:2: error: #error "1" 61 # distcc[33185] ERROR: compile syncline.c on localhost failed 62 # 63 # or even 64 # 65 # distcc[35882] (dcc_connect_by_name) ERROR: failed to look up host "chrisimac": Unknown host 66 # distcc[35882] Warning: failed to distribute input.c to chrisimac/4, running locally instead 67 # 68 # The compiler might end by the number of messages issued (Clang 3.2): 69 # 70 # syncline.c:1:2: error: "1" 71 # #error "1" 72 # ^ 73 # 1 error generated. 74 # 75 # When c++ is used to compiler C, we might have more messages (Clang 3.2): 76 # 77 # clang: warning: treating 'c' input as 'c++' when in C++ mode, this behavior is deprecated 78 79 AT_CHECK([[$PERL -p -0777 - stderr <<\EOF 80 # 1. Remove useless lines. 81 82 # distcc clutter. 83 s/^distcc\[\d+\] .*\n//gm; 84 # c vs. c++. 85 s/^clang: warning: treating 'c' input as 'c\+\+'.*\n//gm; 86 # Function context. 87 s/^[^:]*: In function '[^']+':\n//gm; 88 # Caret error. 89 s/^ *#error.*\n *\^\n//gm; 90 # Number of errors. 91 s/^1 error generated\.\n//gm; 92 93 # 2. Normalize the lines we kept. 94 95 # Remove column. 96 s/^([^:]+:\d+)[.:][^:]+:(.+)$/$][1:$][2/gm; 97 # Map all combinations of "error: " and "#error: " to "#error ". 98 s/^([^:]+:\d+):( |#error|error|:)+/$][1: #error /gm; 99 EOF 100 ]], 101 0, [stdout]) 102 ]) 103 104 # AT_TEST(TITLE, INPUT, ERROR-MSG) 105 # -------------------------------- 106 # Check that compiling the parser produced from INPUT cause GCC 107 # to issue ERROR-MSG. 108 m4_pushdef([AT_TEST], 109 [AT_SETUP([$1]) 110 AT_BISON_OPTION_PUSHDEFS 111 # It seems impossible to find a generic scheme to check the location 112 # of an error. Even requiring GCC is not sufficient, since for instance 113 # the version modified by Apple: 114 # 115 # | Reading specs from /usr/libexec/gcc/darwin/ppc/2.95.2/specs 116 # | Apple Computer, Inc. version gcc-934.3, based on gcc version 2.95.2 117 # | 19991024 (release) configure:2124: $? = 0 118 # 119 # instead of: 120 # 121 # | input.y:2: #error "2" 122 # 123 # it reports: 124 # 125 # | input.y:2: "2" 126 # | cpp-precomp: warning: errors during smart preprocessing, retrying in basic mode 127 128 AT_DATA([syncline.c], 129 [[#error "1" 130 int i; /* avoids -pedantic warning about an empty translation unit. */ 131 ]]) 132 133 AT_SYNCLINES_COMPILE([syncline.c]) 134 AT_CHECK([[test "`cat stdout`" = 'syncline.c:1: @%:@error "1"' || exit 77]]) 135 136 AT_DATA([[input.y]], [$2]) 137 AT_BISON_CHECK([-o input.c input.y]) 138 AT_SYNCLINES_COMPILE([input.c]) 139 AT_CHECK([cat stdout], 0, [$3]) 140 AT_BISON_OPTION_POPDEFS 141 AT_CLEANUP 142 ]) 143 144 145 ## ------------------- ## 146 ## Prologue syncline. ## 147 ## ------------------- ## 148 149 150 AT_TEST([Prologue syncline], 151 [[%{ 152 #error "2" 153 ]AT_YYERROR_DECLARE_EXTERN[ 154 ]AT_YYLEX_DECLARE_EXTERN[ 155 %} 156 %% 157 exp: '0'; 158 %% 159 ]], 160 [input.y:2: #error "2" 161 ]) 162 163 164 ## ----------------- ## 165 ## %union syncline. ## 166 ## ----------------- ## 167 168 AT_TEST([%union syncline], 169 [[%union { 170 #error "2" 171 char dummy; 172 } 173 %{ 174 ]AT_YYERROR_DECLARE_EXTERN[ 175 ]AT_YYLEX_DECLARE_EXTERN[ 176 %} 177 %% 178 exp: '0'; 179 %% 180 ]], 181 [input.y:2: #error "2" 182 ]) 183 184 185 ## ----------------------- ## 186 ## Postprologue syncline. ## 187 ## ----------------------- ## 188 189 AT_TEST([Postprologue syncline], 190 [[%{ 191 ]AT_YYERROR_DECLARE_EXTERN[ 192 ]AT_YYLEX_DECLARE_EXTERN[ 193 %} 194 %union 195 { 196 int ival; 197 } 198 %{ 199 #error "10" 200 %} 201 %% 202 exp: '0'; 203 %% 204 ]], 205 [input.y:10: #error "10" 206 ]) 207 208 209 ## ----------------- ## 210 ## Action syncline. ## 211 ## ----------------- ## 212 213 AT_TEST([Action syncline], 214 [[%{ 215 ]AT_YYERROR_DECLARE_EXTERN[ 216 ]AT_YYLEX_DECLARE_EXTERN[ 217 %} 218 %% 219 exp: 220 { 221 #error "8" 222 }; 223 ]], 224 [input.y:8: #error "8" 225 ]) 226 227 228 ## ------------------- ## 229 ## Epilogue syncline. ## 230 ## ------------------- ## 231 232 AT_TEST([Epilogue syncline], 233 [[%{ 234 ]AT_YYERROR_DECLARE_EXTERN[ 235 ]AT_YYLEX_DECLARE_EXTERN[ 236 %} 237 %% 238 exp: '0'; 239 %% 240 #error "8" 241 ]], 242 [input.y:8: #error "8" 243 ]) 244 245 ## -------------------- ## 246 ## %code top syncline. ## 247 ## -------------------- ## 248 249 AT_TEST([%code top syncline], 250 [[%code top { 251 #error "2" 252 } 253 %{ 254 ]AT_YYERROR_DECLARE_EXTERN[ 255 ]AT_YYLEX_DECLARE_EXTERN[ 256 %} 257 %% 258 exp: '0'; 259 %% 260 ]], 261 [input.y:2: #error "2" 262 ]) 263 264 m4_popdef([AT_TEST]) 265 266 ## ----------- ## 267 ## %no-lines. ## 268 ## ----------- ## 269 270 m4_pushdef([AT_TEST], 271 [AT_SETUP([%no-lines]) 272 273 AT_BISON_OPTION_PUSHDEFS([%skeleton "$1" %defines]) 274 AT_DATA_GRAMMAR([input.y], 275 [%skeleton "$1" %defines 276 %{ 277 ]AT_YYERROR_DECLARE_EXTERN[ 278 ]AT_YYLEX_DECLARE_EXTERN[ 279 %} 280 %% 281 exp: '0' 282 ]) 283 AT_BISON_CHECK([--no-lines -o input.AT_SKEL_CC_IF([cc], [c]) -d input.y]) 284 AT_CHECK([[grep '#line' ]AT_SKEL_CC_IF([*.cc *.hh], [*.c *.h])], 1) 285 AT_BISON_OPTION_POPDEFS 286 287 AT_CLEANUP 288 ]) 289 290 AT_TEST([yacc.c]) 291 AT_TEST([glr.c]) 292 AT_TEST([lalr1.cc]) 293 AT_TEST([glr.cc]) 294 295 m4_popdef([AT_TEST]) 296
