X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/8303fc422a186409c39d0812e0cf2269c46c5281..fcbfa6b01c0222b01254730c66d539ed2c841a4e:/tests/calc.at?ds=sidebyside

diff --git a/tests/calc.at b/tests/calc.at
index 3fa7aa61..7cf12d39 100644
--- a/tests/calc.at
+++ b/tests/calc.at
@@ -1,11 +1,20 @@
-#                                                        -*- Autoconf -*-
+# Checking the output filenames.                         -*- Autotest -*-
+# Copyright (C) 2000, 2001, 2002 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.
-
-EOF
+# 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.
 
+# 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.
 
 ## ---------------------------------------------------- ##
 ## Compile the grammar described in the documentation.  ##
@@ -17,44 +26,87 @@ EOF
 # ------------------------- #
 
 
-# _AT_DATA_CALC_Y($1, $2, $3, [CPP-DIRECTIVES])
-# ---------------------------------------------
+# _AT_DATA_CALC_Y($1, $2, $3, [BISON-DIRECTIVES])
+# -----------------------------------------------
 # Produce `calc.y'.  Don't call this macro directly, because it contains
 # 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
-AT_DATA([calc.y],
+m4_define([_AT_DATA_CALC_Y],
+[m4_if([$1$2$3], $[1]$[2]$[3], [],
+       [m4_fatal([$0: Invalid arguments: $@])])dnl
+AT_DATA_GRAMMAR([calc.y],
 [[/* Infix notation calculator--calc */
-
+]$4[
 %{
-#include <config.h>
 #include <stdio.h>
 
 #if STDC_HEADERS
 # include <stdlib.h>
 # include <string.h>
-#else
-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 yylex (void);
-static int yygetc (void);
-static void yyungetc (int c);
 
 extern void perror (const char *s);
+
+/* Exercise pre-prologue dependency to %union.  */
+typedef int value;
+
+static value global_result = 0;
+static int global_count = 0;
+
+%}
+
+/* Exercise %union. */
+%union
+{
+  value ival;
+};
+
+%{
+#if YYPURE
+#  define LOC     (*yylloc)
+#  define VAL     (*yylval)
+#else
+#  define LOC     (yylloc)
+#  define VAL     (yylval)
+#endif
+
+#define YYLLOC_FORMAL   ]AT_LOCATION_IF([, YYLTYPE *yylloc])[
+#define YYLLOC_ARG      ]AT_LOCATION_IF([, yylloc])[
+#define USE_YYLLOC      ]AT_LOCATION_IF([(void) yylloc;])[
+
+#if YYPURE
+#  define LEX_FORMALS     YYSTYPE *yylval YYLLOC_FORMAL
+#  define LEX_ARGS        yylval          YYLLOC_ARG
+#  define USE_LEX_ARGS    (void) yylval;  USE_YYLLOC
+#  define LEX_PRE_FORMALS   LEX_FORMALS,
+#  define LEX_PRE_ARGS      LEX_ARGS,
+#else
+#  define LEX_FORMALS       void
+#  define LEX_PRE_FORMALS
+#  define LEX_ARGS
+#  define LEX_PRE_ARGS
+#  define USE_LEX_ARGS
+#endif
+
+static int power (int base, int exponent);
+/* yyerror receives the location if:
+   - %location & %pure & %glr
+   - %location & %pure & %yacc & %parse-param. */
+static void yyerror (]AT_YYERROR_ARG_LOC_IF([YYLTYPE *yylloc, ])[
+                     ]AT_PARAM_IF([value *result, int *count, ])[
+                     const char *s
+                     );
+static int yylex (LEX_FORMALS);
+static int yygetc (LEX_FORMALS);
+static void yyungetc (LEX_PRE_FORMALS int c);
 %}
 
-/* BISON Declarations */
-%token NUM
+/* Bison Declarations */
+%token CALC_EOF 0 "end of input"
+%token <ival> NUM "number"
+%type  <ival> exp
 
 %nonassoc '=' /* comparison	       */
 %left '-' '+'
@@ -65,22 +117,22 @@ extern void perror (const char *s);
 /* Grammar follows */
 %%
 input:
-  /* empty string */
-| input line
+  line
+| input line         { ]AT_PARAM_IF([++*count; ++global_count;])[ }
 ;
 
 line:
   '\n'
-| exp '\n'
+| exp '\n'           { ]AT_PARAM_IF([*result = global_result = $1;])[ }
 ;
 
 exp:
   NUM                { $$ = $1;             }
 | exp '=' exp
   {
-     if ($1 != $3)
-       printf ("calc: error: %d != %d\n", $1, $3);
-     $$ = $1 == $3;
+    if ($1 != $3)
+      fprintf (stderr, "calc: error: %d != %d\n", $1, $3);
+    $$ = $1;
   }
 | exp '+' exp        { $$ = $1 + $3;        }
 | exp '-' exp        { $$ = $1 - $3;        }
@@ -89,69 +141,82 @@ exp:
 | '-' exp  %prec NEG { $$ = -$2;            }
 | exp '^' exp        { $$ = power ($1, $3); }
 | '(' exp ')'        { $$ = $2;             }
+| '(' error ')'      { $$ = 0;              }
 ;
 %%
 /* The input. */
-FILE *yyin;
+static FILE *yyin;
 
 static void
-yyerror (const char *s)
+yyerror (]AT_YYERROR_ARG_LOC_IF([YYLTYPE *yylloc, ])[
+         ]AT_PARAM_IF([value *result, int *count, ])[
+         const char *s
+         )
 {
-#if YYLSP_NEEDED
-  fprintf (stderr, "%d.%d:%d.%d: ",
-	   yylloc.first_line, yylloc.first_column,
-	   yylloc.last_line, yylloc.last_column);
-#endif
+]AT_PARAM_IF([(void) result; (void) count; ])[
+]AT_YYERROR_SEES_LOC_IF([
+  fprintf (stderr, "%d.%d-%d.%d: ",
+	   LOC.first_line, LOC.first_column,
+	   LOC.last_line, LOC.last_column);
+])[
   fprintf (stderr, "%s\n", s);
 }
 
+
+]AT_LOCATION_IF([
+static YYLTYPE last_yylloc;
+])[
 static int
-yygetc (void)
+yygetc (LEX_FORMALS)
 {
   int res = getc (yyin);
-#if YYLSP_NEEDED
+  USE_LEX_ARGS;
+]AT_LOCATION_IF([
+  last_yylloc = LOC;
   if (res == '\n')
     {
-      yylloc.last_line++;
-      yylloc.last_column = 0;
+      LOC.last_line++;
+      LOC.last_column = 1;
     }
   else
-    yylloc.last_column++;
-#endif
+    LOC.last_column++;
+])[
   return res;
 }
 
 
 static void
-yyungetc (int c)
+yyungetc (LEX_PRE_FORMALS int c)
 {
-#if YYLSP_NEEDED
+  USE_LEX_ARGS;
+]AT_LOCATION_IF([
   /* Wrong when C == `\n'. */
-  yylloc.last_column--;
-#endif
+  LOC = last_yylloc;
+])[
   ungetc (c, yyin);
 }
 
 static int
-read_signed_integer (void)
+read_signed_integer (LEX_FORMALS)
 {
-  int c = yygetc ();
+  int c = yygetc (LEX_ARGS);
   int sign = 1;
   int n = 0;
 
+  USE_LEX_ARGS;
   if (c == '-')
     {
-      c = yygetc ();
+      c = yygetc (LEX_ARGS);
       sign = -1;
     }
 
   while (isdigit (c))
     {
       n = 10 * n + (c - '0');
-      c = yygetc ();
+      c = yygetc (LEX_ARGS);
     }
 
-  yyungetc (c);
+  yyungetc (LEX_PRE_ARGS c);
 
   return sign * n;
 }
@@ -165,35 +230,45 @@ read_signed_integer (void)
 `---------------------------------------------------------------*/
 
 static int
-yylex (void)
+yylex (LEX_FORMALS)
 {
+  static int init = 1;
   int c;
 
-#if YYLSP_NEEDED
-  yylloc.first_column = yylloc.last_column;
-  yylloc.first_line = yylloc.last_line;
-#endif
+  if (init)
+    {
+      init = 0;
+]AT_LOCATION_IF([
+      LOC.last_column = 1;
+      LOC.last_line = 1;
+])[
+    }
+
+]AT_LOCATION_IF([
+  LOC.first_column = LOC.last_column;
+  LOC.first_line = LOC.last_line;
+])[
 
   /* Skip white space.  */
-  while ((c = yygetc ()) == ' ' || c == '\t')
+  while ((c = yygetc (LEX_ARGS)) == ' ' || c == '\t')
     {
-#if YYLSP_NEEDED
-      yylloc.first_column = yylloc.last_column;
-      yylloc.first_line = yylloc.last_line;
-#endif
+]AT_LOCATION_IF([
+      LOC.first_column = LOC.last_column;
+      LOC.first_line = LOC.last_line;
+])[
     }
 
   /* process numbers   */
   if (c == '.' || isdigit (c))
     {
-      yyungetc (c);
-      yylval = read_signed_integer ();
+      yyungetc (LEX_PRE_ARGS c);
+      VAL.ival = read_signed_integer (LEX_ARGS);
       return NUM;
     }
 
   /* Return end-of-file.  */
   if (c == EOF)
-    return 0;
+    return CALC_EOF;
 
   /* Return single chars. */
   return c;
@@ -211,14 +286,18 @@ power (int base, int exponent)
 }
 
 int
-main (int argn, const char **argv)
+main (int argc, const char **argv)
 {
-  if (argn == 2)
+  value result = 0;
+  int count = 0;
+  int status;
+
+  if (argc == 2)
     yyin = fopen (argv[1], "r");
   else
     yyin = stdin;
 
-  if (!stdin)
+  if (!yyin)
     {
       perror (argv[1]);
       exit (1);
@@ -227,12 +306,12 @@ main (int argn, const char **argv)
 #if YYDEBUG
   yydebug = 1;
 #endif
-#if YYLSP_NEEDED
-  yylloc.last_column = 0;
-  yylloc.last_line = 1;
-#endif
-  yyparse ();
-  return 0;
+  status = yyparse (]AT_PARAM_IF([&result, &count])[);
+  if (global_result != result)
+    abort ();
+  if (global_count != count)
+    abort ();
+  return status;
 }
 ]])
 ])# _AT_DATA_CALC_Y
@@ -241,59 +320,165 @@ main (int argn, const char **argv)
 # AT_DATA_CALC_Y([BISON-OPTIONS])
 # -------------------------------
 # Produce `calc.y'.
-AT_DEFINE([AT_DATA_CALC_Y],
-[_AT_DATA_CALC_Y($[1], $[2], $[3],
-                 [ifelse(regexp([$1], [--yyerror-verbose]),
-                         [-1], [],
-                         [[#define YYERROR_VERBOSE]])])])
+m4_define([AT_DATA_CALC_Y],
+[_AT_DATA_CALC_Y($[1], $[2], $[3], [$1])
+])
 
 
 
-# _AT_CHECK_CALC(BISON-OPTIONS, INPUT)
-# ------------------------------------
-# 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,
-#                      [ERROR-LOCATION], [IF-YYERROR-VERBOSE])
+# _AT_CHECK_CALC(BISON-OPTIONS, INPUT, [NUM-STDERR-LINES = 0])
 # ------------------------------------------------------------
-# 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
-parse error[]dnl
-ifelse(regexp([$1], [--yyerror-verbose]),
-       [-1], [], [$4])[]dnl
-
+# Run `calc' on INPUT and expect no STDOUT nor STDERR.
+#
+# If BISON-OPTIONS contains `%debug' but not `%glr-parser', then
+# NUM-STDERR-LINES is the number of expected lines on stderr.
+#
+# We don't count GLR's traces yet, since its traces are somewhat
+# different from LALR's.
+m4_define([_AT_CHECK_CALC],
+[AT_DATA([[input]],
+[[$2
+]])
+AT_PARSER_CHECK([./calc input], 0, [], [stderr])
+m4_bmatch([$1],
+  [%debug.*%glr\|%glr.*%debug],
+     [],
+  [%debug],
+     [AT_CHECK([wc -l <stderr | sed 's/[[^0-9]]//g'], 0, [$3
+])])
+])
+
+
+# _AT_CHECK_CALC_ERROR(BISON-OPTIONS, EXIT-STATUS, INPUT,
+#                      [NUM-DEBUG-LINES],
+#                      [VERBOSE-AND-LOCATED-ERROR-MESSAGE])
+# ---------------------------------------------------------
+# Run `calc' on INPUT, and expect a `syntax error' message.
+#
+# If INPUT starts with a slash, it is used as absolute input file name,
+# otherwise as contents.
+#
+# If BISON-OPTIONS contains `%location', then make sure the ERROR-LOCATION
+# is correctly output on stderr.
+#
+# If BISON-OPTIONS contains `%error-verbose', then make sure the
+# IF-YYERROR-VERBOSE message is properly output after `syntax error, '
+# on STDERR.
+#
+# If BISON-OPTIONS contains `%debug' but not `%glr', then NUM-STDERR-LINES
+# is the number of expected lines on stderr.
+m4_define([_AT_CHECK_CALC_ERROR],
+[m4_bmatch([$3], [^/],
+           [AT_PARSER_CHECK([./calc $3], $2, [], [stderr])],
+           [AT_DATA([[input]],
+[[$3
+]])
+AT_PARSER_CHECK([./calc input], $2, [], [stderr])])
+m4_bmatch([$1],
+  [%debug.*%glr\|%glr.*%debug],
+     [],
+  [%debug],
+     [AT_CHECK([wc -l <stderr | sed 's/[[^0-9]]//g'], 0, [$4
 ])])
 
-
-# AT_CHECK_CALC([BISON-OPTIONS], [PARSER-EXPECTED-STDERR])
-# --------------------------------------------------------
+# Normalize the observed and expected error messages, depending upon the
+# options.
+# 1. Remove the traces from observed.
+sed '/^Starting/d
+/^Entering/d
+/^Stack/d
+/^Reading/d
+/^Reducing/d
+/^Shifting/d
+/^state/d
+/^Error:/d
+/^Next/d
+/^Discarding/d
+/^yydestructor:/d' stderr >at-stderr
+mv at-stderr stderr
+# 2. Create the reference error message.
+AT_DATA([[expout]],
+[$5
+])
+# 3. If locations are not used, remove them.
+AT_YYERROR_SEES_LOC_IF([],
+[[sed 's/^[-0-9.]*: //' expout >at-expout
+mv at-expout expout]])
+# 4. If error-verbose is not used, strip the`, unexpected....' part.
+m4_bmatch([$1], [%error-verbose], [],
+[[sed 's/syntax error, .*$/syntax error/' expout >at-expout
+mv at-expout expout]])
+# 5. Check
+AT_CHECK([cat stderr], 0, [expout])
+])
+
+
+# AT_CALC_PUSHDEFS($1, $2, [BISON-OPTIONS])
+# -----------------------------------------
+# This macro works around the impossibility to define macros
+# inside macros, because issuing `[$1]' is not possible in M4 :(.
+# This sucks hard, GNU M4 should really provide M5 like $$1.
+m4_define([AT_CHECK_PUSHDEFS],
+[m4_if([$1$2], $[1]$[2], [],
+       [m4_fatal([$0: Invalid arguments: $@])])dnl
+m4_pushdef([AT_PARAM_IF],
+[m4_bmatch([$3], [%parse-param], [$1], [$2])])
+m4_pushdef([AT_LOCATION_IF],
+[m4_bmatch([$3], [%locations], [$1], [$2])])
+m4_pushdef([AT_PURE_IF],
+[m4_bmatch([$3], [%pure-parser], [$1], [$2])])
+m4_pushdef([AT_GLR_IF],
+[m4_bmatch([$3], [%glr-parser], [$1], [$2])])
+m4_pushdef([AT_PURE_AND_LOC_IF],
+[m4_bmatch([$3], [%locations.*%pure-parser\|%pure-parser.*%locations],
+           [$1], [$2])])
+m4_pushdef([AT_GLR_OR_PARAM_IF],
+[m4_bmatch([$3], [%glr-parser\|%parse-param], [$1], [$2])])
+
+# yyerror receives the location if %location & %pure & (%glr or %parse-param).
+m4_pushdef([AT_YYERROR_ARG_LOC_IF],
+[AT_GLR_OR_PARAM_IF([AT_PURE_AND_LOC_IF([$1], [$2])],
+                    [$2])])
+# yyerror cannot see the locations if !glr & pure & !param.
+m4_pushdef([AT_YYERROR_SEES_LOC_IF],
+[AT_LOCATION_IF([AT_GLR_IF([$1],
+                           [AT_PURE_IF([AT_PARAM_IF([$1], [$2])],
+                                       [$1])])],
+                [$2])])
+])
+
+
+# AT_CALC_POPDEFS
+# ---------------
+m4_define([AT_CHECK_POPDEFS],
+[m4_popdef([AT_YYERROR_SEES_LOC_IF])
+m4_popdef([AT_YYERROR_ARG_LOC_IF])
+m4_popdef([AT_GLR_OR_PARAM_IF])
+m4_popdef([AT_PURE_AND_LOC_IF])
+m4_popdef([AT_GLR_IF])
+m4_popdef([AT_LOCATION_IF])
+m4_popdef([AT_PARAM_IF])
+])
+
+
+
+# AT_CHECK_CALC([BISON-OPTIONS])
+# ------------------------------
 # 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_CHECK_PUSHDEFS($[1], $[2], [$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([$1], [--yyerror-verbose])],
+AT_CHECK([bison -o calc.c calc.y],
          [0], [], [])
-AT_CHECK([$CC $CFLAGS $CPPFLAGS calc.c -o calc], 0, [], [])
+
+AT_COMPILE([calc])
 
 # Test the priorities.
 _AT_CHECK_CALC([$1],
@@ -309,49 +494,107 @@ _AT_CHECK_CALC([$1],
 1 - (2 - 3) = 2
 
 2^2^3 = 256
-(2^2)^3 = 64], [$2])
-
-# Some parse errors.
-_AT_CHECK_CALC_ERROR([$1], [+1],
-                     [1.0:1.1],
-                     [, unexpected `'+''])
-_AT_CHECK_CALC_ERROR([$1], [1//2],
-                     [1.2:1.3],
-                     [, unexpected `'/'', expecting `NUM' or `'-'' or `'(''])
-_AT_CHECK_CALC_ERROR([$1], [error],
-                     [1.0:1.1],
-                     [, unexpected `$undefined.'])
-_AT_CHECK_CALC_ERROR([$1], [1 = 2 = 3],
-                     [1.6:1.7],
-                     [, unexpected `'=''])
-_AT_CHECK_CALC_ERROR([$1],
+(2^2)^3 = 64],
+               [486])
+
+# Some syntax errors.
+_AT_CHECK_CALC_ERROR([$1], [1], [0 0], [11],
+                     [1.3-1.4: syntax error, unexpected "number"])
+_AT_CHECK_CALC_ERROR([$1], [1], [1//2], [15],
+                     [1.3-1.4: syntax error, unexpected '/', expecting "number" or '-' or '('])
+_AT_CHECK_CALC_ERROR([$1], [1], [error], [4],
+                     [1.1-1.2: syntax error, unexpected $undefined, expecting "number" or '-' or '\n' or '('])
+_AT_CHECK_CALC_ERROR([$1], [1], [1 = 2 = 3], [22],
+                     [1.7-1.8: syntax error, unexpected '='])
+_AT_CHECK_CALC_ERROR([$1], [1],
                      [
 +1],
-                     [2.0:2.1],
-                     [, unexpected `'+''])
-
-AT_CLEANUP(calc calc.c calc.h calc.output)
+                     [14],
+                     [2.1-2.2: syntax error, unexpected '+'])
+# Exercise error messages with EOF: work on an empty file.
+_AT_CHECK_CALC_ERROR([$1], [1], [/dev/null], [4],
+                     [1.1-1.2: syntax error, unexpected "end of input", expecting "number" or '-' or '\n' or '('])
+
+# Exercise the error token: without it, we die at the first error,
+# hence be sure i. to have several errors, ii. to test the action
+# associated to `error'.
+_AT_CHECK_CALC_ERROR([$1], [0], [(1 ++ 2) + (0 0) = 1], [82],
+[1.5-1.6: syntax error, unexpected '+', expecting "number" or '-' or '('
+1.15-1.16: syntax error, unexpected "number"
+calc: error: 0 != 1])
+
+AT_CHECK_POPDEFS
+
+AT_CLEANUP
 ])# AT_CHECK_CALC
 
 
 
 
-# ------------------ #
-# Test the parsers.  #
-# ------------------ #
+# ------------------------ #
+# Simple LALR Calculator.  #
+# ------------------------ #
+
+AT_BANNER([[Simple LALR Calculator.]])
+
+# AT_CHECK_CALC_LALR([BISON-OPTIONS])
+# -----------------------------------
+# Start a testing chunk which compiles `calc' grammar with
+# BISON-OPTIONS, and performs several tests over the parser.
+m4_define([AT_CHECK_CALC_LALR],
+[AT_CHECK_CALC($@)])
+
+AT_CHECK_CALC_LALR()
+
+AT_CHECK_CALC_LALR([%defines])
+AT_CHECK_CALC_LALR([%locations])
+AT_CHECK_CALC_LALR([%name-prefix="calc"])
+AT_CHECK_CALC_LALR([%verbose])
+AT_CHECK_CALC_LALR([%yacc])
+AT_CHECK_CALC_LALR([%error-verbose])
+
+AT_CHECK_CALC_LALR([%error-verbose %locations])
+
+AT_CHECK_CALC_LALR([%error-verbose %locations %defines %name-prefix="calc" %verbose %yacc])
+
+AT_CHECK_CALC_LALR([%debug])
+AT_CHECK_CALC_LALR([%error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc])
+
+AT_CHECK_CALC_LALR([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc])
+
+AT_CHECK_CALC_LALR([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc %parse-param {value *result} %parse-param {int *count}])
+
+
+# ----------------------- #
+# Simple GLR Calculator.  #
+# ----------------------- #
+
+AT_BANNER([[Simple GLR Calculator.]])
+
+# AT_CHECK_CALC_GLR([BISON-OPTIONS])
+# ----------------------------------
+# Start a testing chunk which compiles `calc' grammar with
+# BISON-OPTIONS and %glr-parser, and performs several tests over the parser.
+m4_define([AT_CHECK_CALC_GLR],
+[AT_CHECK_CALC([%glr-parser] $@)])
+
+
+AT_CHECK_CALC_GLR()
+
+AT_CHECK_CALC_GLR([%defines])
+AT_CHECK_CALC_GLR([%locations])
+AT_CHECK_CALC_GLR([%name-prefix="calc"])
+AT_CHECK_CALC_GLR([%verbose])
+AT_CHECK_CALC_GLR([%yacc])
+AT_CHECK_CALC_GLR([%error-verbose])
 
-AT_CHECK_CALC()
+AT_CHECK_CALC_GLR([%error-verbose %locations])
 
-AT_CHECK_CALC([--defines])
-AT_CHECK_CALC([--locations])
-AT_CHECK_CALC([--name-prefix=calc])
-AT_CHECK_CALC([--verbose])
-AT_CHECK_CALC([--yacc])
-AT_CHECK_CALC([--yyerror-verbose])
+AT_CHECK_CALC_GLR([%error-verbose %locations %defines %name-prefix="calc" %verbose %yacc])
 
-AT_CHECK_CALC([--locations --yyerror-verbose])
+AT_CHECK_CALC_GLR([%debug])
+AT_CHECK_CALC_GLR([%error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc])
 
-AT_CHECK_CALC([--defines --locations --name-prefix=calc --verbose --yacc --yyerror-verbose])
+AT_CHECK_CALC_GLR([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc])
 
-AT_CHECK_CALC([--debug])
-AT_CHECK_CALC([--debug --defines --locations --name-prefix=calc --verbose --yacc --yyerror-verbose])
+AT_CHECK_CALC_GLR([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc %parse-param {value *result} %parse-param {int *count}])