X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/342b8b6e2156e923797745af2da2596e3086ccd5..dee049eb9173cee47928e34b528f1038492b4094:/tests/calc.at

diff --git a/tests/calc.at b/tests/calc.at
index 87053158..5fa17f44 100644
--- a/tests/calc.at
+++ b/tests/calc.at
@@ -53,7 +53,6 @@ AT_DATA([calc.y],
 char *strcat(char *dest, const char *src);
 #endif
 #include <ctype.h>
-]$4[
 
 static int power (int base, int exponent);
 static void yyerror (const char *s);
@@ -64,7 +63,8 @@ static void yyungetc (int c);
 extern void perror (const char *s);
 %}
 
-/* BISON Declarations */
+/* Bison Declarations */
+%token CALC_EOF 0
 %token NUM
 
 %nonassoc '=' /* comparison	       */
@@ -73,6 +73,8 @@ extern void perror (const char *s);
 %left NEG     /* negation--unary minus */
 %right '^'    /* exponentiation        */
 
+]$4[
+
 /* Grammar follows */
 %%
 input:
@@ -204,7 +206,7 @@ yylex (void)
 
   /* Return end-of-file.  */
   if (c == EOF)
-    return 0;
+    return CALC_EOF;
 
   /* Return single chars. */
   return c;
@@ -256,8 +258,8 @@ main (int argc, const char **argv)
 # Produce `calc.y'.
 m4_define([AT_DATA_CALC_Y],
 [_AT_DATA_CALC_Y($[1], $[2], $[3],
-                 [m4_match([$1], [--yyerror-verbose],
-                           [[#define YYERROR_VERBOSE 1]])])])
+                 [m4_bmatch([$1], [--yyerror-verbose],
+                            [[%error-verbose]])])])
 
 
 
@@ -273,8 +275,8 @@ m4_define([_AT_CHECK_CALC],
 ]])
 AT_CHECK([calc input], 0, [], [stderr])dnl
 AT_CHECK([wc -l <stderr | sed 's/[[^0-9]]//g'], 0,
-         [m4_match([$1], [--debug],
-                   [$3], [0])
+         [m4_bmatch([$1], [--debug],
+                    [$3], [0])
 ])
 ])
 
@@ -302,17 +304,17 @@ AT_CHECK([calc input], 0, [], [stderr])
 
 
 AT_CHECK([wc -l <stderr | sed 's/[[^0-9]]//g'], 0,
-         [m4_match([$1], [--debug],
-                   [$3], [1])
+         [m4_bmatch([$1], [--debug],
+                    [$3], [1])
 ])
 
 egrep -v '^((Start|Enter|Read|Reduc|Shift)ing|state|Error:) ' stderr >at-stderr
 mv at-stderr stderr
 
 AT_CHECK([cat stderr], 0,
-[m4_match([$1], [--location], [$4: ])[]dnl
+[m4_bmatch([$1], [--location], [$4: ])[]dnl
 parse error[]dnl
-m4_match([$1], [--yyerror-verbose], [, $5])[]dnl
+m4_bmatch([$1], [--yyerror-verbose], [, $5])[]dnl
 
 ])
 
@@ -330,9 +332,21 @@ AT_SETUP([Calculator $1])
 AT_DATA_CALC_Y([$1])
 
 # Specify the output files to avoid problems on different file systems.
-AT_CHECK([bison calc.y -o calc.c m4_patsubst([$1], [--yyerror-verbose])],
+AT_CHECK([bison calc.y -o calc.c m4_bpatsubst([$1], [--yyerror-verbose])],
          [0], [], [])
-AT_CHECK([$CC $CFLAGS $CPPFLAGS calc.c -o calc], 0, [], [])
+
+# Some compilers issue warnings we don't want to hear about.
+# Maybe some day we will have proper Autoconf macros to disable these
+# warnings, but this place is not the right one for that.
+# So let's keep only GCC warnings, which we know are sane.
+# Well, that's only part of the story: some assemblers issue warnings
+# which can be totally useless, and actually polluting.  It seems that
+# the best bet be to completely ignore stderr, but to pass -Werror
+# to GCC.
+if test "$GCC" = yes; then
+  CFLAGS="$CFLAGS -Werror"
+fi
+AT_CHECK([$CC $CFLAGS $CPPFLAGS calc.c -o calc], 0, [], [ignore])
 
 # Test the priorities.
 _AT_CHECK_CALC([$1],
@@ -353,24 +367,24 @@ _AT_CHECK_CALC([$1],
 # Some parse errors.
 _AT_CHECK_CALC_ERROR([$1], [+1], [8],
                      [1.0:1.1],
-                     [unexpected `'+''])
+                     [unexpected '+'])
 _AT_CHECK_CALC_ERROR([$1], [1//2], [17],
                      [1.2:1.3],
-                     [unexpected `'/'', expecting `NUM' or `'-'' or `'(''])
+                     [unexpected '/', expecting NUM or '-' or '('])
 _AT_CHECK_CALC_ERROR([$1], [error], [8],
                      [1.0:1.1],
-                     [unexpected `$undefined.'])
+                     [unexpected $undefined.])
 _AT_CHECK_CALC_ERROR([$1], [1 = 2 = 3], [23],
                      [1.6:1.7],
-                     [unexpected `'=''])
+                     [unexpected '='])
 _AT_CHECK_CALC_ERROR([$1],
                      [
 +1],
                      [16],
                      [2.0:2.1],
-                     [unexpected `'+''])
+                     [unexpected '+'])
 
-AT_CLEANUP(calc calc.c calc.h calc.output)
+AT_CLEANUP
 ])# AT_CHECK_CALC