-Wempty-rule: diagnose empty rules without %empty

[bison.git] / tests / synclines.at

diff --git a/tests/synclines.at b/tests/synclines.at
index 1bda1c422a04821419b93466d870e60afe64b8db..3c85e7d4a9f55e9ffe7bf20b902a9ded523b9a0d 100644 (file)
--- a/tests/synclines.at
+++ b/tests/synclines.at
@@ -1,6 +1,6 @@
 # Executing Actions.                               -*- Autotest -*-
 
-# Copyright (C) 2002, 2004-2005, 2007, 2009-2012 Free Software
+# Copyright (C) 2002, 2004-2005, 2007, 2009-2013 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
@@ -47,13 +47,14 @@ m4_define([AT_SYNCLINES_COMPILE],
 # =>
 #   input.y:4: #error "8"
 #
-# The message may include a caret-error:
+# 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"
 #     ^
 #
-# And possibly distcc adds its bits.
+# Possibly distcc adds its bits.
 #
 #   distcc[33187] ERROR: compile (null) on localhost failed
 #   syncline.c:1:2: error: #error "1"
@@ -63,23 +64,48 @@ m4_define([AT_SYNCLINES_COMPILE],
 #
 #   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
- s/^distcc\[\d+\] .*\n//gm;
- s/^([^:]*:\d+)[.:][^:]*:(.*)$/$][1:$][2/gm;
- s/^([^:]*:\d+:)[^#]*( #error)/$][1$][2/gm;
- s/^[^:]*: In function '[^']*':\n//gm;
- s/^\ +#error.*\n\ *\^\n//gm;
+AT_CHECK([[$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])
+  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
@@ -101,7 +127,7 @@ AT_BISON_OPTION_PUSHDEFS
 
 AT_DATA([syncline.c],
 [[#error "1"
-int i; // avoids -pedantic warning about an empty translation unit
+int i; /* avoids -pedantic warning about an empty translation unit. */
 ]])
 
 AT_SYNCLINES_COMPILE([syncline.c])
@@ -116,12 +142,12 @@ AT_CLEANUP
 ])
 
 
-## --------------------- ##
-## Prologue synch line.  ##
-## --------------------- ##
+## ------------------- ##
+## Prologue syncline.  ##
+## ------------------- ##
 
 
-AT_TEST_SYNCLINE([Prologue synch line],
+AT_TEST([Prologue syncline],
 [[%{
 #error "2"
 ]AT_YYERROR_DECLARE_EXTERN[
@@ -135,11 +161,11 @@ exp: '0';
 ])
 
 
-## ------------------- ##
-## %union synch line.  ##
-## ------------------- ##
+## ----------------- ##
+## %union syncline.  ##
+## ----------------- ##
 
-AT_TEST_SYNCLINE([%union synch line],
+AT_TEST([%union syncline],
 [[%union {
 #error "2"
   char dummy;
@@ -156,11 +182,11 @@ exp: '0';
 ])
 
 
-## ------------------------- ##
-## Postprologue synch line.  ##
-## ------------------------- ##
+## ----------------------- ##
+## Postprologue syncline.  ##
+## ----------------------- ##
 
-AT_TEST_SYNCLINE([Postprologue synch line],
+AT_TEST([Postprologue syncline],
 [[%{
 ]AT_YYERROR_DECLARE_EXTERN[
 ]AT_YYLEX_DECLARE_EXTERN[
@@ -180,11 +206,11 @@ exp: '0';
 ])
 
 
-## ------------------- ##
-## Action synch line.  ##
-## ------------------- ##
+## ----------------- ##
+## Action syncline.  ##
+## ----------------- ##
 
-AT_TEST_SYNCLINE([Action synch line],
+AT_TEST([Action syncline],
 [[%{
 ]AT_YYERROR_DECLARE_EXTERN[
 ]AT_YYLEX_DECLARE_EXTERN[
@@ -199,11 +225,11 @@ exp:
 ])
 
 
-## --------------------- ##
-## Epilogue synch line.  ##
-## --------------------- ##
+## ------------------- ##
+## Epilogue syncline.  ##
+## ------------------- ##
 
-AT_TEST_SYNCLINE([Epilogue synch line],
+AT_TEST([Epilogue syncline],
 [[%{
 ]AT_YYERROR_DECLARE_EXTERN[
 ]AT_YYLEX_DECLARE_EXTERN[
@@ -215,3 +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: $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])