# Executing Actions. -*- Autotest -*-
-# Copyright (C) 2002, 2004-2005, 2007, 2009-2012 Free Software
+# Copyright (C) 2002, 2004-2005, 2007, 2009-2015 Free Software
# Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
AT_BANNER([[User Actions.]])
-# AT_SYNCLINES_COMPILE(FILE)
-# --------------------------
+# _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
+# (e.g. c89 on IRIX 6.5) trigger warnings on '#error', instead of
# errors.
-m4_define([AT_SYNCLINES_COMPILE],
+m4_define([_AT_SYNCLINES_COMPILE],
[AT_CHECK([$CC $CFLAGS $CPPFLAGS -c $1], [ignore], [], [stderr])
# Transform stderr into something like this:
# =>
# input.y:4: #error "8"
#
-# The message may include a caret-error:
+# The message may include a caret-error (indented by GCC 4.8,
+# not by clang 3.2):
#
# input.y:1:2: error: #error "1"
# #error "1"
# ^
#
-# And possibly distcc adds its bits.
+# Possibly distcc adds its bits.
#
# distcc[33187] ERROR: compile (null) on localhost failed
# syncline.c:1:2: error: #error "1"
#
# distcc[35882] (dcc_connect_by_name) ERROR: failed to look up host "chrisimac": Unknown host
# distcc[35882] Warning: failed to distribute input.c to chrisimac/4, running locally instead
+#
+# The compiler might end by the number of messages issued (Clang 3.2):
+#
+# syncline.c:1:2: error: "1"
+# #error "1"
+# ^
+# 1 error generated.
+#
+# When c++ is used to compiler C, we might have more messages (Clang 3.2):
+#
+# clang: warning: treating 'c' input as 'c++' when in C++ mode, this behavior is deprecated
+#
+#
+# xlc reports things like:
+#
+# "input.yy", line 80.21: 1540-0218 (S) The call does not match any parameter list for "operator<<".
+# "/usr/vacpp/include/iosfwd", line 32.6: 1506-205 (S) #error This file to be used only with IBM VisualAge C++ v4 and later compilers
AT_CHECK([[$PERL -p -0777 - stderr <<\EOF
+ # 1. Remove useless lines.
+
+ # distcc clutter.
s/^distcc\[\d+\] .*\n//gm;
- s/^([^:]+:\d+)[.:][^:]+:(.+)$/$][1:$][2/gm;
- s/^([^:]+:\d+):[^#]*( #error)/$][1:$][2/gm;
+ # c vs. c++.
+ s/^clang: warning: treating 'c' input as 'c\+\+'.*\n//gm;
+ # Function context.
s/^[^:]*: In function '[^']+':\n//gm;
- s/^\ +#error.*\n\ *\^\n//gm;
+ # Caret error.
+ s/^ *#error.*\n *\^\n//gm;
+ # Number of errors.
+ s/^1 error generated\.\n//gm;
+
+ # 2. Normalize the lines we kept.
+
+ # xlc messages. Remove also error identifier (e.g., "1540-0218 (S)").
+ s/^"(.*?)", line ([\w.]*): \d+-\d+ \(.\) /$][1:$][2: /gm;
+ # 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_pushdef([AT_TEST],
-[AT_SETUP([$1])
-AT_BISON_OPTION_PUSHDEFS
+
+
+# AT_SYNCLINES_COMPILE(FILE)
+# --------------------------
+# Compile FILE expecting an error, and save in the file stdout the
+# normalized output. If we can't get a trustable location
+# from the compiler, just skip the test.
+#
# 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:
#
# | input.y:2: "2"
# | cpp-precomp: warning: errors during smart preprocessing, retrying in basic mode
-
+m4_define([AT_SYNCLINES_COMPILE],
+[# Check if we can trust location translation.
AT_DATA([syncline.c],
-[[#error "1"
-int i; // avoids -pedantic warning about an empty translation unit
+[[static void foo(void)
+{
+#error "3"
+}
]])
-AT_SYNCLINES_COMPILE([syncline.c])
-AT_CHECK([[test "`cat stdout`" = 'syncline.c:1: @%:@error "1"' || exit 77]])
+_AT_SYNCLINES_COMPILE([syncline.c])
+AT_CHECK([[test "`cat stdout`" = 'syncline.c:3: @%:@error "3"' || exit 77]])
+
+# Then work for real.
+_AT_SYNCLINES_COMPILE([$1])
+])
+
+
+# AT_TEST(TITLE, INPUT, ERROR-MSG)
+# --------------------------------
+# Check that compiling the parser produced from INPUT cause GCC
+# to issue ERROR-MSG.
+m4_pushdef([AT_TEST],
+[AT_SETUP([$1])
+AT_BISON_OPTION_PUSHDEFS
AT_DATA([[input.y]], [$2])
AT_BISON_CHECK([-o input.c input.y])
])
+## ---------------------- ##
+## %union name syncline. ##
+## ---------------------- ##
+
+# Check that invalid union names are properly reported in the
+# source file.
+AT_SETUP([%union name syncline])
+AT_BISON_OPTION_PUSHDEFS
+AT_DATA([[input.y]],
+[[%union break
+{
+ char dummy;
+}
+%{
+]AT_YYERROR_DECLARE_EXTERN[
+]AT_YYLEX_DECLARE_EXTERN[
+%}
+%%
+exp: '0';
+%%
+]])
+
+AT_BISON_CHECK([-o input.c input.y])
+AT_SYNCLINES_COMPILE([input.c])
+AT_CHECK([[grep '^input.y:1' stdout]], 0, [ignore])
+AT_BISON_OPTION_POPDEFS
+AT_CLEANUP
+
+
## ----------------------- ##
## Postprologue syncline. ##
## ----------------------- ##
## ----------- ##
m4_pushdef([AT_TEST],
-[AT_SETUP([%no-lines])
+[AT_SETUP([%no-lines: $1])
AT_BISON_OPTION_PUSHDEFS([%skeleton "$1" %defines])
AT_DATA_GRAMMAR([input.y],
projects / bison.git / blobdiff