* src/reader.c (copy_dollar, copy_at): Better checking of `n' in

[bison.git] / tests / calc.at

diff --git a/tests/calc.at b/tests/calc.at
index 3fa7aa6128ed25802361e55d3d5485d850d38593..5fa17f444ca57a53d58c3e77889243dd0dfd9280 100644 (file)
--- a/tests/calc.at
+++ b/tests/calc.at
@@ -1,11 +1,22 @@
-#                                                        -*- Autoconf -*-
+# Checking the output filenames.                         -*- Autotest -*-
+# Copyright 2000, 2001 Free Software Foundation, Inc.

 
 

-cat <<EOF
+# 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
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.

 
 

-Simple Calculator.
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.

 
 

-EOF
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+# 02111-1307, USA.

 
 

+AT_BANNER([[Simple Calculator.]])

 
 ## ---------------------------------------------------- ##
 ## Compile the grammar described in the documentation.  ##
 
 ## ---------------------------------------------------- ##
 ## Compile the grammar described in the documentation.  ##


@@ -23,16 +34,16 @@ EOF
 # some occurrences of `$1' etc. which will be interpreted by m4.  So
 # you should call it with $1, $2, and $3 as arguments, which is what
 # AT_DATA_CALC_Y does.
 # some occurrences of `$1' etc. which will be interpreted by m4.  So
 # you should call it with $1, $2, and $3 as arguments, which is what
 # AT_DATA_CALC_Y does.

-AT_DEFINE([_AT_DATA_CALC_Y],
-[ifelse([$1$2$3],
-        $[1]$[2]$[3], [],
-        [errprint([$0: Invalid arguments: $@
-])m4exit(1)])dnl
+m4_define([_AT_DATA_CALC_Y],
+[m4_if([$1$2$3], $[1]$[2]$[3], [],
+       [m4_fatal([$0: Invalid arguments: $@])])dnl

 AT_DATA([calc.y],
 [[/* Infix notation calculator--calc */
 
 %{
 #include <config.h>
 AT_DATA([calc.y],
 [[/* Infix notation calculator--calc */
 
 %{
 #include <config.h>

+/* We don't need a perfect malloc for these tests. */
+#undef malloc

 #include <stdio.h>
 
 #if STDC_HEADERS
 #include <stdio.h>
 
 #if STDC_HEADERS


@@ -42,7 +53,6 @@ AT_DATA([calc.y],
 char *strcat(char *dest, const char *src);
 #endif
 #include <ctype.h>
 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);
 
 static int power (int base, int exponent);
 static void yyerror (const char *s);


@@ -53,7 +63,8 @@ static void yyungetc (int c);
 extern void perror (const char *s);
 %}
 
 extern void perror (const char *s);
 %}
 

-/* BISON Declarations */
+/* Bison Declarations */
+%token CALC_EOF 0

 %token NUM
 
 %nonassoc '=' /* comparison           */
 %token NUM
 
 %nonassoc '=' /* comparison           */


@@ -62,6 +73,8 @@ extern void perror (const char *s);
 %left NEG     /* negation--unary minus */
 %right '^'    /* exponentiation        */
 
 %left NEG     /* negation--unary minus */
 %right '^'    /* exponentiation        */
 

+]$4[
+

 /* Grammar follows */
 %%
 input:
 /* Grammar follows */
 %%
 input:


@@ -193,7 +206,7 @@ yylex (void)
 
   /* Return end-of-file.  */
   if (c == EOF)
 
   /* Return end-of-file.  */
   if (c == EOF)

-    return 0;
+    return CALC_EOF;

 
   /* Return single chars. */
   return c;
 
   /* Return single chars. */
   return c;


@@ -211,14 +224,16 @@ power (int base, int exponent)
 }
 
 int
 }
 
 int

-main (int argn, const char **argv)
+main (int argc, const char **argv)

 {
 {

-  if (argn == 2)
+  yyin = NULL;
+
+  if (argc == 2)

     yyin = fopen (argv[1], "r");
   else
     yyin = stdin;
 
     yyin = fopen (argv[1], "r");
   else
     yyin = stdin;
 

-  if (!stdin)
+  if (!yyin)

     {
       perror (argv[1]);
       exit (1);
     {
       perror (argv[1]);
       exit (1);


@@ -241,59 +256,97 @@ main (int argn, const char **argv)
 # AT_DATA_CALC_Y([BISON-OPTIONS])
 # -------------------------------
 # Produce `calc.y'.
 # AT_DATA_CALC_Y([BISON-OPTIONS])
 # -------------------------------
 # Produce `calc.y'.

-AT_DEFINE([AT_DATA_CALC_Y],
+m4_define([AT_DATA_CALC_Y],

 [_AT_DATA_CALC_Y($[1], $[2], $[3],
 [_AT_DATA_CALC_Y($[1], $[2], $[3],

-                 [ifelse(regexp([$1], [--yyerror-verbose]),
-                         [-1], [],
-                         [[#define YYERROR_VERBOSE]])])])
+                 [m4_bmatch([$1], [--yyerror-verbose],
+                            [[%error-verbose]])])])

 
 
 
 
 
 

-# _AT_CHECK_CALC(BISON-OPTIONS, INPUT)
-# ------------------------------------
+# _AT_CHECK_CALC(BISON-OPTIONS, INPUT, [NUM-STDERR-LINES = 0])
+# ------------------------------------------------------------

 # Run `calc' on INPUT and expect no STDOUT nor STDERR.
 # Run `calc' on INPUT and expect no STDOUT nor STDERR.

-# If `--debug' is passed to bison, discard all the debugging traces
-# preserving only the `parse errors'.  Note that since there should be
-# none, the `grep' will fail with exit status 1.
-AT_DEFINE([_AT_CHECK_CALC],
-[ifelse(regexp([$1], [--debug]),
-  [-1],
-     [AT_CHECK([echo "$2" | calc],
-               [0], [], [])],
-     [AT_CHECK([echo "$2" | calc 2>&1 >/dev/null | grep 'parse error' >&2],
-               [1], [], [])])])
-
-
-# _AT_CHECK_CALC_ERROR(BISON-OPTIONS, INPUT,
+#
+# If BISON-OPTIONS contains `--debug', then NUM-STDERR-LINES is the number
+# of expected lines on stderr.
+m4_define([_AT_CHECK_CALC],
+[AT_DATA([[input]],
+[[$2
+]])
+AT_CHECK([calc input], 0, [], [stderr])dnl
+AT_CHECK([wc -l <stderr | sed 's/[[^0-9]]//g'], 0,
+         [m4_bmatch([$1], [--debug],
+                    [$3], [0])
+])
+])
+
+
+# _AT_CHECK_CALC_ERROR(BISON-OPTIONS, INPUT, [NUM-DEBUG-LINES],

 #                      [ERROR-LOCATION], [IF-YYERROR-VERBOSE])
 # ------------------------------------------------------------
 #                      [ERROR-LOCATION], [IF-YYERROR-VERBOSE])
 # ------------------------------------------------------------

-# Run `calc' on INPUT, and expect STDERR.
-AT_DEFINE([_AT_CHECK_CALC_ERROR],
-[AT_CHECK([echo "$2" | calc 2>&1 >/dev/null | grep 'parse error' >&2], 0,
-          [],
-[ifelse(regexp([$1], [--location]),
-        [-1], [], [$3: ])[]dnl
+# Run `calc' on INPUT, and expect a `parse error' message.
+#
+# If BISON-OPTIONS contains `--location', then make sure the ERROR-LOCATION
+# is correctly output on stderr.
+#
+# If BISON-OPTIONS contains `--yyerror-verbose', then make sure the
+# IF-YYERROR-VERBOSE message is properly output after `parse error, '
+# on STDERR.
+#
+# If BISON-OPTIONS contains `--debug', then NUM-STDERR-LINES is the number
+# of expected lines on stderr.
+m4_define([_AT_CHECK_CALC_ERROR],
+[AT_DATA([[input]],
+[[$2
+]])
+
+AT_CHECK([calc input], 0, [], [stderr])
+
+
+AT_CHECK([wc -l <stderr | sed 's/[[^0-9]]//g'], 0,
+         [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_bmatch([$1], [--location], [$4: ])[]dnl

 parse error[]dnl
 parse error[]dnl

-ifelse(regexp([$1], [--yyerror-verbose]),
-       [-1], [], [$4])[]dnl
+m4_bmatch([$1], [--yyerror-verbose], [, $5])[]dnl

 
 

-])])
+])
+
+])

 
 
 # AT_CHECK_CALC([BISON-OPTIONS], [PARSER-EXPECTED-STDERR])
 # --------------------------------------------------------
 # Start a testing chunk which compiles `calc' grammar with
 # BISON-OPTIONS, and performs several tests over the parser.
 
 
 # AT_CHECK_CALC([BISON-OPTIONS], [PARSER-EXPECTED-STDERR])
 # --------------------------------------------------------
 # Start a testing chunk which compiles `calc' grammar with
 # BISON-OPTIONS, and performs several tests over the parser.

-AT_DEFINE([AT_CHECK_CALC],
+m4_define([AT_CHECK_CALC],

 [# We use integers to avoid dependencies upon the precision of doubles.
 AT_SETUP([Calculator $1])
 
 AT_DATA_CALC_Y([$1])
 
 # Specify the output files to avoid problems on different file systems.
 [# We use integers to avoid dependencies upon the precision of doubles.
 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 patsubst([$1], [--yyerror-verbose])],
+AT_CHECK([bison calc.y -o calc.c m4_bpatsubst([$1], [--yyerror-verbose])],

          [0], [], [])
          [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],
 
 # Test the priorities.
 _AT_CHECK_CALC([$1],


@@ -309,28 +362,29 @@ _AT_CHECK_CALC([$1],
 1 - (2 - 3) = 2
 
 2^2^3 = 256
 1 - (2 - 3) = 2
 
 2^2^3 = 256

-(2^2)^3 = 64], [$2])
+(2^2)^3 = 64], [491])

 
 # Some parse errors.
 
 # Some parse errors.

-_AT_CHECK_CALC_ERROR([$1], [+1],
+_AT_CHECK_CALC_ERROR([$1], [+1], [8],

                      [1.0:1.1],
                      [1.0:1.1],

-                     [, unexpected `'+''])
-_AT_CHECK_CALC_ERROR([$1], [1//2],
+                     [unexpected '+'])
+_AT_CHECK_CALC_ERROR([$1], [1//2], [17],

                      [1.2:1.3],
                      [1.2:1.3],

-                     [, unexpected `'/'', expecting `NUM' or `'-'' or `'(''])
-_AT_CHECK_CALC_ERROR([$1], [error],
+                     [unexpected '/', expecting NUM or '-' or '('])
+_AT_CHECK_CALC_ERROR([$1], [error], [8],

                      [1.0:1.1],
                      [1.0:1.1],

-                     [, unexpected `$undefined.'])
-_AT_CHECK_CALC_ERROR([$1], [1 = 2 = 3],
+                     [unexpected $undefined.])
+_AT_CHECK_CALC_ERROR([$1], [1 = 2 = 3], [23],

                      [1.6:1.7],
                      [1.6:1.7],

-                     [, unexpected `'=''])
+                     [unexpected '='])

 _AT_CHECK_CALC_ERROR([$1],
                      [
 +1],
 _AT_CHECK_CALC_ERROR([$1],
                      [
 +1],

+                     [16],

                      [2.0:2.1],
                      [2.0:2.1],

-                     [, unexpected `'+''])
+                     [unexpected '+'])

 
 

-AT_CLEANUP(calc calc.c calc.h calc.output)
+AT_CLEANUP

 ])# AT_CHECK_CALC
 
 
 ])# AT_CHECK_CALC