X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/642cb8f8294e9ff6e8b17211e7119d4563fc2c2d..fec5f3c0cc2c50a779dafb928fda105c1782446b:/tests/synclines.at diff --git a/tests/synclines.at b/tests/synclines.at index c7501fde..3c85e7d4 100644 --- a/tests/synclines.at +++ b/tests/synclines.at @@ -1,120 +1,295 @@ # Executing Actions. -*- Autotest -*- -# Copyright 2002 Free Software Foundation, Inc. -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2, or (at your option) -# any later version. +# Copyright (C) 2002, 2004-2005, 2007, 2009-2013 Free Software +# Foundation, Inc. +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. - +# # You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA -# 02111-1307, USA. +# along with this program. If not, see . AT_BANNER([[User Actions.]]) -# AT_TEST_SYNCLINE(TITLE, INPUT, ERROR-MSG) -# ----------------------------------------- + +# AT_SYNCLINES_COMPILE(FILE) +# -------------------------- +# Compile FILE expecting an error, and save in the file stdout the +# normalized output. Ignore the exit status, since some compilers +# (e.g. c89 on IRIX 6.5) trigger warnings on `#error', instead of +# errors. +m4_define([AT_SYNCLINES_COMPILE], +[AT_CHECK([$CC $CFLAGS $CPPFLAGS -c $1], [ignore], [], [stderr]) + +# Transform stderr into something like this: +# +# input.y:4: #error "4" +# +# In case GCC displays column information, strip it down. +# +# input.y:4:2: #error "4" or +# input.y:4.2: #error "4" or +# input.y:4:2: error: #error "4" +# => +# input.y:4: #error "4" +# +# It may also issue more context information: +# +# input.y: In function 'yyparse': +# input.y:8: #error "8" +# => +# input.y:4: #error "8" +# +# The message may include a caret-error (indented by GCC 4.8, +# not by clang 3.2): +# +# input.y:1:2: error: #error "1" +# #error "1" +# ^ +# +# Possibly distcc adds its bits. +# +# distcc[33187] ERROR: compile (null) on localhost failed +# syncline.c:1:2: error: #error "1" +# distcc[33185] ERROR: compile syncline.c on localhost failed +# +# or even +# +# distcc[35882] (dcc_connect_by_name) ERROR: failed to look up host "chrisimac": Unknown host +# distcc[35882] Warning: failed to distribute input.c to chrisimac/4, running locally instead +# +# The compiler might end by the number of messages issued (Clang 3.2): +# +# syncline.c:1:2: error: "1" +# #error "1" +# ^ +# 1 error generated. +# +# When c++ is used to compiler C, we might have more messages (Clang 3.2): +# +# clang: warning: treating 'c' input as 'c++' when in C++ mode, this behavior is deprecated + +AT_CHECK([[$PERL -p -0777 - stderr <<\EOF + # 1. Remove useless lines. + + # distcc clutter. + s/^distcc\[\d+\] .*\n//gm; + # c vs. c++. + s/^clang: warning: treating 'c' input as 'c\+\+'.*\n//gm; + # Function context. + s/^[^:]*: In function '[^']+':\n//gm; + # Caret error. + s/^ *#error.*\n *\^\n//gm; + # Number of errors. + s/^1 error generated\.\n//gm; + + # 2. Normalize the lines we kept. + + # Remove column. + s/^([^:]+:\d+)[.:][^:]+:(.+)$/$][1:$][2/gm; + # Map all combinations of "error: " and "#error: " to "#error ". + s/^([^:]+:\d+):( |#error|error|:)+/$][1: #error /gm; +EOF +]], + 0, [stdout]) +]) + +# AT_TEST(TITLE, INPUT, ERROR-MSG) +# -------------------------------- # Check that compiling the parser produced from INPUT cause GCC # to issue ERROR-MSG. -m4_define([AT_TEST_SYNCLINE], +m4_pushdef([AT_TEST], [AT_SETUP([$1]) +AT_BISON_OPTION_PUSHDEFS +# It seems impossible to find a generic scheme to check the location +# of an error. Even requiring GCC is not sufficient, since for instance +# the version modified by Apple: +# +# | Reading specs from /usr/libexec/gcc/darwin/ppc/2.95.2/specs +# | Apple Computer, Inc. version gcc-934.3, based on gcc version 2.95.2 +# | 19991024 (release) configure:2124: $? = 0 +# +# instead of: +# +# | input.y:2: #error "2" +# +# it reports: +# +# | input.y:2: "2" +# | cpp-precomp: warning: errors during smart preprocessing, retrying in basic mode -# I'm not sure I can find a generic scheme to check the location -# of an error, so we keep this for GCC only. -AT_CHECK([test "$GCC" = yes || exit 77]) +AT_DATA([syncline.c], +[[#error "1" +int i; /* avoids -pedantic warning about an empty translation unit. */ +]]) -AT_DATA([[input.y]], -[$2]) +AT_SYNCLINES_COMPILE([syncline.c]) +AT_CHECK([[test "`cat stdout`" = 'syncline.c:1: @%:@error "1"' || exit 77]]) -AT_CHECK([bison input.y -o input.c]) -AT_CHECK([$CC $CFLAGS $CPPFLAGS input.c -o input], 1, [], [$3]) +AT_DATA([[input.y]], [$2]) +AT_BISON_CHECK([-o input.c input.y]) +AT_SYNCLINES_COMPILE([input.c]) +AT_CHECK([cat stdout], 0, [$3]) +AT_BISON_OPTION_POPDEFS AT_CLEANUP ]) -## --------------------- ## -## Prologue synch line. ## -## --------------------- ## +## ------------------- ## +## Prologue syncline. ## +## ------------------- ## -AT_TEST_SYNCLINE([Prologue synch line], +AT_TEST([Prologue syncline], [[%{ #error "2" +]AT_YYERROR_DECLARE_EXTERN[ +]AT_YYLEX_DECLARE_EXTERN[ %} %% exp: '0'; +%% ]], [input.y:2: #error "2" ]) -## ------------------- ## -## %union synch line. ## -## ------------------- ## +## ----------------- ## +## %union syncline. ## +## ----------------- ## -AT_TEST_SYNCLINE([%union synch line], +AT_TEST([%union syncline], [[%union { #error "2" + char dummy; } +%{ +]AT_YYERROR_DECLARE_EXTERN[ +]AT_YYLEX_DECLARE_EXTERN[ +%} %% exp: '0'; +%% ]], [input.y:2: #error "2" ]) -## ------------------------- ## -## Postprologue synch line. ## -## ------------------------- ## +## ----------------------- ## +## Postprologue syncline. ## +## ----------------------- ## -AT_TEST_SYNCLINE([Postprologue synch line], +AT_TEST([Postprologue syncline], [[%{ -/* Nothing here. */ +]AT_YYERROR_DECLARE_EXTERN[ +]AT_YYLEX_DECLARE_EXTERN[ %} %union { int ival; } %{ -#error "9" +#error "10" %} %% exp: '0'; +%% ]], -[input.y:9: #error "9" +[input.y:10: #error "10" ]) -## ------------------- ## -## Action synch line. ## -## ------------------- ## +## ----------------- ## +## Action syncline. ## +## ----------------- ## -AT_TEST_SYNCLINE([Action synch line], -[[%% +AT_TEST([Action syncline], +[[%{ +]AT_YYERROR_DECLARE_EXTERN[ +]AT_YYLEX_DECLARE_EXTERN[ +%} +%% exp: { -#error "4" +#error "8" }; ]], -[input.y:4: #error "4" +[input.y:8: #error "8" ]) -## --------------------- ## -## Epilogue synch line. ## -## --------------------- ## +## ------------------- ## +## Epilogue syncline. ## +## ------------------- ## + +AT_TEST([Epilogue syncline], +[[%{ +]AT_YYERROR_DECLARE_EXTERN[ +]AT_YYLEX_DECLARE_EXTERN[ +%} +%% +exp: '0'; +%% +#error "8" +]], +[input.y:8: #error "8" +]) + +## -------------------- ## +## %code top syncline. ## +## -------------------- ## -AT_TEST_SYNCLINE([Epilogue synch line], -[[%% +AT_TEST([%code top syncline], +[[%code top { +#error "2" +} +%{ +]AT_YYERROR_DECLARE_EXTERN[ +]AT_YYLEX_DECLARE_EXTERN[ +%} +%% exp: '0'; %% -#error "4" ]], -[input.y:4: #error "4" +[input.y:2: #error "2" +]) + +m4_popdef([AT_TEST]) + +## ----------- ## +## %no-lines. ## +## ----------- ## + +m4_pushdef([AT_TEST], +[AT_SETUP([%no-lines: $1]) + +AT_BISON_OPTION_PUSHDEFS([%skeleton "$1" %defines]) +AT_DATA_GRAMMAR([input.y], +[%skeleton "$1" %defines +%{ +]AT_YYERROR_DECLARE_EXTERN[ +]AT_YYLEX_DECLARE_EXTERN[ +%} +%% +exp: '0' ]) +AT_BISON_CHECK([--no-lines -o input.AT_SKEL_CC_IF([cc], [c]) -d input.y]) +AT_CHECK([[grep '#line' ]AT_SKEL_CC_IF([*.cc *.hh], [*.c *.h])], 1) +AT_BISON_OPTION_POPDEFS + +AT_CLEANUP +]) + +AT_TEST([yacc.c]) +AT_TEST([glr.c]) +AT_TEST([lalr1.cc]) +AT_TEST([glr.cc]) + +m4_popdef([AT_TEST])