(MUSCLE_TAB_H_): Was misspelled as MUSCLE_TAB_H_.

[bison.git] / tests / calc.at

diff --git a/tests/calc.at b/tests/calc.at
index d12fffc9c9a66e1f08940ea882e282873c214f1e..34cac69d449cfddb6bd679cdfaaf55c66cfc604b 100644 (file)
--- a/tests/calc.at
+++ b/tests/calc.at
@@ -1,5 +1,5 @@
 # Checking the output filenames.                         -*- Autotest -*-
 # Checking the output filenames.                         -*- Autotest -*-

-# Copyright 2000, 2001 Free Software Foundation, Inc.
+# Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc.

 
 # 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
 
 # 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


@@ -16,8 +16,6 @@
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 # 02111-1307, USA.
 
 # 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.  ##
 ## ---------------------------------------------------- ##


@@ -61,12 +59,16 @@ static int yygetc (void);
 static void yyungetc (int c);
 
 extern void perror (const char *s);
 static void yyungetc (int c);
 
 extern void perror (const char *s);

+
+/* Exercise pre-prologue dependency to %union.  */
+typedef int value_t;
+

 %}
 
 %}
 

-/* Also exercise %union. */
+/* Exercise %union. */

 %union
 {
 %union
 {

-  int ival; /* A comment to exercise an old bug. */
+  value_t ival;

 };
 
 /* Bison Declarations */
 };
 
 /* Bison Declarations */


@@ -90,8 +92,8 @@ input:
 ;
 
 line:
 ;
 
 line:

-  '\n'
-| exp '\n' {}
+  '\n'      {}
+| exp '\n'  {}

 ;
 
 exp:
 ;
 
 exp:


@@ -99,7 +101,7 @@ exp:
 | exp '=' exp
   {
      if ($1 != $3)
 | exp '=' exp
   {
      if ($1 != $3)

-       printf ("calc: error: %d != %d\n", $1, $3);
+       fprintf (stderr, "calc: error: %d != %d\n", $1, $3);

      $$ = $1 == $3;
   }
 | exp '+' exp        { $$ = $1 + $3;        }
      $$ = $1 == $3;
   }
 | exp '+' exp        { $$ = $1 + $3;        }


@@ -109,6 +111,7 @@ exp:
 | '-' exp  %prec NEG { $$ = -$2;            }
 | exp '^' exp        { $$ = power ($1, $3); }
 | '(' exp ')'        { $$ = $2;             }
 | '-' exp  %prec NEG { $$ = -$2;            }
 | exp '^' exp        { $$ = power ($1, $3); }
 | '(' exp ')'        { $$ = $2;             }

+| '(' error ')'      { $$ = 0;              }

 ;
 %%
 /* The input. */
 ;
 %%
 /* The input. */


@@ -118,7 +121,7 @@ static void
 yyerror (const char *s)
 {
 #if YYLSP_NEEDED
 yyerror (const char *s)
 {
 #if YYLSP_NEEDED

-  fprintf (stderr, "%d.%d:%d.%d: ",
+  fprintf (stderr, "%d.%d-%d.%d: ",

           yylloc.first_line, yylloc.first_column,
           yylloc.last_line, yylloc.last_column);
 #endif
           yylloc.first_line, yylloc.first_column,
           yylloc.last_line, yylloc.last_column);
 #endif


@@ -138,7 +141,7 @@ yygetc (void)
   if (res == '\n')
     {
       yylloc.last_line++;
   if (res == '\n')
     {
       yylloc.last_line++;

-      yylloc.last_column = 0;
+      yylloc.last_column = 1;

     }
   else
     yylloc.last_column++;
     }
   else
     yylloc.last_column++;


@@ -255,7 +258,7 @@ main (int argc, const char **argv)
   yydebug = 1;
 #endif
 #if YYLSP_NEEDED
   yydebug = 1;
 #endif
 #if YYLSP_NEEDED

-  yylloc.last_column = 0;
+  yylloc.last_column = 1;

   yylloc.last_line = 1;
 #endif
   yyparse ();
   yylloc.last_line = 1;
 #endif
   yyparse ();


@@ -270,8 +273,8 @@ main (int argc, const char **argv)
 # Produce `calc.y'.
 m4_define([AT_DATA_CALC_Y],
 [_AT_DATA_CALC_Y($[1], $[2], $[3],
 # Produce `calc.y'.
 m4_define([AT_DATA_CALC_Y],
 [_AT_DATA_CALC_Y($[1], $[2], $[3],

-                 [m4_bmatch([$1], [--yyerror-verbose],
-                            [[%error-verbose]])])])
+                 [m4_bpatsubst([$1], [--[^ ]*])])
+])

 
 
 
 
 
 


@@ -279,17 +282,22 @@ m4_define([AT_DATA_CALC_Y],
 # ------------------------------------------------------------
 # Run `calc' on INPUT and expect no STDOUT nor STDERR.
 #
 # ------------------------------------------------------------
 # Run `calc' on INPUT and expect no STDOUT nor STDERR.
 #

-# If BISON-OPTIONS contains `--debug', then NUM-STDERR-LINES is the number
-# of expected lines on 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
 ]])
 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_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
+])])

 ])
 
 
 ])
 
 


@@ -304,41 +312,60 @@ AT_CHECK([wc -l <stderr | sed 's/[[^0-9]]//g'], 0,
 # If BISON-OPTIONS contains `--location', then make sure the ERROR-LOCATION
 # is correctly output on stderr.
 #
 # 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 BISON-OPTIONS contains `%error-verbose', then make sure the

 # IF-YYERROR-VERBOSE message is properly output after `parse error, '
 # on STDERR.
 #
 # 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.
+# 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([$2], [^/],
 m4_define([_AT_CHECK_CALC_ERROR],
 [m4_bmatch([$2], [^/],

-           [AT_CHECK([calc $2], 0, [], [stderr])],
+           [AT_PARSER_CHECK([./calc $2], 0, [], [stderr])],

            [AT_DATA([[input]],
 [[$2
 ]])
            [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
+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
+])])
+
+# 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
 mv at-stderr stderr

-
-AT_CHECK([cat stderr], 0,
-[m4_bmatch([$1], [--location], [$4: ])[]dnl
-parse error[]dnl
-m4_bmatch([$1], [--yyerror-verbose], [, $5])[]dnl
-
+# 2. Create the reference error message.
+AT_DATA([[expout]],
+[$4

 ])
 ])

-
+# 3. If locations are not used, remove them.
+m4_bmatch([$1], [--location], [],
+[[sed 's/^[-0-9.]*: //' expout >at-expout
+mv at-expout expout]])
+# 4. If error-verbose is not used, strip the`, unexpected....' part.
+m4_bmatch([$1], [%error-verbose], [],
+[[sed 's/parse error, .*$/parse error/' expout >at-expout
+mv at-expout expout]])
+# 5. Check
+AT_CHECK([cat stderr], 0, [expout])

 ])
 
 
 ])
 
 

-# AT_CHECK_CALC([BISON-OPTIONS], [PARSER-EXPECTED-STDERR])
-# --------------------------------------------------------
+# AT_CHECK_CALC([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],
 # Start a testing chunk which compiles `calc' grammar with
 # BISON-OPTIONS, and performs several tests over the parser.
 m4_define([AT_CHECK_CALC],


@@ -348,21 +375,10 @@ AT_SETUP([Calculator $1])
 AT_DATA_CALC_Y([$1])
 
 # Specify the output files to avoid problems on different file systems.
 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_bpatsubst([$1], [--yyerror-verbose])],
+AT_CHECK([bison -o calc.c m4_bpatsubst([$1], [%[^ ]*]) calc.y],

          [0], [], [])
 
          [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])
+AT_COMPILE([calc])

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


@@ -381,30 +397,35 @@ _AT_CHECK_CALC([$1],
 (2^2)^3 = 64], [486])
 
 # Some parse errors.
 (2^2)^3 = 64], [486])
 
 # Some parse errors.

-_AT_CHECK_CALC_ERROR([$1], [0 0], [10],
-                     [1.2:1.3],
-                     [unexpected "number"])
-_AT_CHECK_CALC_ERROR([$1], [1//2], [13],
-                     [1.2:1.3],
-                     [unexpected '/', expecting "number" or '-' or '('])
+_AT_CHECK_CALC_ERROR([$1], [0 0], [11],
+                     [1.3-1.4: parse error, unexpected "number"])
+_AT_CHECK_CALC_ERROR([$1], [1//2], [15],
+                     [1.3-1.4: parse error, unexpected '/', expecting "number" or '-' or '('])

 _AT_CHECK_CALC_ERROR([$1], [error], [4],
 _AT_CHECK_CALC_ERROR([$1], [error], [4],

-                     [1.0:1.1],
-                     [unexpected $undefined., expecting "number" or '-' or '\n' or '('])
-_AT_CHECK_CALC_ERROR([$1], [1 = 2 = 3], [19],
-                     [1.6:1.7],
-                     [unexpected '='])
+                     [1.1-1.2: parse error, unexpected $undefined, expecting "number" or '-' or '\n' or '('])
+_AT_CHECK_CALC_ERROR([$1], [1 = 2 = 3], [22],
+                     [1.7-1.8: parse error, unexpected '='])

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

-                     [13],
-                     [2.0:2.1],
-                     [unexpected '+'])
+                     [14],
+                     [2.1-2.2: parse error, unexpected '+'])

 # Exercise error messages with EOF: work on an empty file.
 # Exercise error messages with EOF: work on an empty file.

-_AT_CHECK_CALC_ERROR([$1],
-                     [/dev/null],
-                     [4],
-                     [1.0:1.1],
-                     [unexpected "end of file", expecting "number" or '-' or '\n' or '('])
+_AT_CHECK_CALC_ERROR([$1], [/dev/null], [4],
+                     [1.1-1.2: parse error, unexpected "end of file", 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], [(1 ++ 2) + (0 0) = 1], [82],
+[1.5-1.6: parse error, unexpected '+', expecting "number" or '-' or '('
+1.15-1.16: parse error, unexpected "number"
+calc: error: 0 != 1])
+
+# Add a studid example demonstrating that Bison can further improve the
+# error message.  FIXME: Fix this ridiculous message.
+_AT_CHECK_CALC_ERROR([$1], [()], [21],
+[1.2-1.3: parse error, unexpected ')', expecting "number" or '-' or '('])

 
 AT_CLEANUP
 ])# AT_CHECK_CALC
 
 AT_CLEANUP
 ])# AT_CHECK_CALC


@@ -412,22 +433,62 @@ AT_CLEANUP
 
 
 
 
 
 

-# ------------------ #
-# 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 --defines --locations --name-prefix=calc --verbose --yacc])
+
+AT_CHECK_CALC_LALR([%debug])
+AT_CHECK_CALC_LALR([%error-verbose %debug --defines --locations --name-prefix=calc --verbose --yacc])
+
+
+# ----------------------- #
+# 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()
+AT_CHECK_CALC_GLR()

 
 

-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([--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([--locations --yyerror-verbose])
+AT_CHECK_CALC_GLR([%error-verbose --locations])

 
 

-AT_CHECK_CALC([--defines --locations --name-prefix=calc --verbose --yacc --yyerror-verbose])
+AT_CHECK_CALC_GLR([%error-verbose --defines --locations --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([%debug])
+AT_CHECK_CALC_GLR([%error-verbose %debug --defines --locations --name-prefix=calc --verbose --yacc])