X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/da730230ce159265f4380daa456e3e3c5f9422f4..50977317cd10df482c3b35f61e9ee4522eee3c3b:/tests/synclines.at diff --git a/tests/synclines.at b/tests/synclines.at index d971e546..6b847195 100644 --- a/tests/synclines.at +++ b/tests/synclines.at @@ -1,5 +1,7 @@ # Executing Actions. -*- Autotest -*- -# Copyright (C) 2002, 2004, 2005, 2007 Free Software Foundation, Inc. + +# Copyright (C) 2002, 2004-2005, 2007, 2009-2012 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 @@ -21,10 +23,15 @@ AT_BANNER([[User Actions.]]) # -------------------------- # 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) triger warnings on `#error', instead of +# (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 @@ -33,16 +40,74 @@ m4_define([AT_SYNCLINES_COMPILE], # => # input.y:4: #error "4" # -AT_CHECK([[sed -e 's/^\([^:]*:[^:.]*\)[.:][^:]*:\(.*\)$/\1:\2/' -e 's/^\([^:]*:[^:]*:\)[^@%:@]*\( @%:@error\)/\1\2/' stderr]], 0, [stdout]) +# 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_SYNCLINE(TITLE, INPUT, ERROR-MSG) -# ----------------------------------------- +# 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: @@ -62,6 +127,7 @@ m4_define([AT_TEST_SYNCLINE], AT_DATA([syncline.c], [[#error "1" +int i; /* avoids -pedantic warning about an empty translation unit. */ ]]) AT_SYNCLINES_COMPILE([syncline.c]) @@ -71,56 +137,59 @@ 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" -void yyerror (const char *s); -int yylex (void); +]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; } %{ -void yyerror (const char *s); -int yylex (void); +]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], [[%{ -void yyerror (const char *s); -int yylex (void); +]AT_YYERROR_DECLARE_EXTERN[ +]AT_YYLEX_DECLARE_EXTERN[ %} %union { @@ -131,19 +200,20 @@ int yylex (void); %} %% exp: '0'; +%% ]], [input.y:10: #error "10" ]) -## ------------------- ## -## Action synch line. ## -## ------------------- ## +## ----------------- ## +## Action syncline. ## +## ----------------- ## -AT_TEST_SYNCLINE([Action synch line], +AT_TEST([Action syncline], [[%{ -void yyerror (const char *s); -int yylex (void); +]AT_YYERROR_DECLARE_EXTERN[ +]AT_YYLEX_DECLARE_EXTERN[ %} %% exp: @@ -155,14 +225,14 @@ exp: ]) -## --------------------- ## -## Epilogue synch line. ## -## --------------------- ## +## ------------------- ## +## Epilogue syncline. ## +## ------------------- ## -AT_TEST_SYNCLINE([Epilogue synch line], +AT_TEST([Epilogue syncline], [[%{ -void yyerror (const char *s); -int yylex (void); +]AT_YYERROR_DECLARE_EXTERN[ +]AT_YYLEX_DECLARE_EXTERN[ %} %% exp: '0'; @@ -171,3 +241,55 @@ exp: '0'; ]], [input.y:8: #error "8" ]) + +## -------------------- ## +## %code top syncline. ## +## -------------------- ## + +AT_TEST([%code top syncline], +[[%code top { +#error "2" +} +%{ +]AT_YYERROR_DECLARE_EXTERN[ +]AT_YYLEX_DECLARE_EXTERN[ +%} +%% +exp: '0'; +%% +]], +[input.y:2: #error "2" +]) + +m4_popdef([AT_TEST]) + +## ----------- ## +## %no-lines. ## +## ----------- ## + +m4_pushdef([AT_TEST], +[AT_SETUP([%no-lines]) + +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])