X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/3209eb1c4c5de8dd812e65da27df00c548f476fe..8bf276d8207dd31432305002f3a9e81c80ca62af:/tests/synclines.at?ds=sidebyside

diff --git a/tests/synclines.at b/tests/synclines.at
index de132f43..aa438c8b 100644
--- a/tests/synclines.at
+++ b/tests/synclines.at
@@ -19,13 +19,13 @@
 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
 # 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:
@@ -75,7 +75,15 @@ m4_define([AT_SYNCLINES_COMPILE],
 # 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
+#
+# Newer GCCs go further and if the function is declared static, complain
+# that it's not used.
 AT_CHECK([[$PERL -p -0777 - stderr <<\EOF
   # 1. Remove useless lines.
 
@@ -92,6 +100,8 @@ AT_CHECK([[$PERL -p -0777 - stderr <<\EOF
 
   # 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 ".
@@ -101,13 +111,14 @@ 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:
@@ -124,14 +135,31 @@ AT_BISON_OPTION_PUSHDEFS
 #
 # | 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. */
+[[void foo (void);
+void foo (void)
+{
+#error "4"
+}
 ]])
 
-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:4: @%:@error "4"' || 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])
@@ -182,6 +210,35 @@ exp: '0';
 ])
 
 
+## ---------------------- ##
+## %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.  ##
 ## ----------------------- ##