X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/0b86fc416c177b8fa87131dabf4242999332e8b9..68e11668e4b4c3cd9564b6a920656ace3768ec59:/tests/calc.at

diff --git a/tests/calc.at b/tests/calc.at
index a768fffe..83ce2831 100644
--- a/tests/calc.at
+++ b/tests/calc.at
@@ -1,5 +1,5 @@
-# Checking the output filenames.                         -*- Autotest -*-
-# Copyright (C) 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+# Simple calculator.                         -*- Autotest -*-
+# Copyright (C) 2000, 2001, 2002, 2003, 2004  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
@@ -41,38 +41,39 @@ AT_DATA_GRAMMAR([calc.y],
 %{
 #include <stdio.h>
 
-#if STDC_HEADERS
-# include <stdlib.h>
-# include <string.h>
+#include <stdlib.h>
+#include <string.h>
+#if HAVE_UNISTD_H
+# include <unistd.h>
+#else
+# undef alarm
+# define alarm(seconds) /* empty */
 #endif
 #include <ctype.h>
 
-extern void perror (const char *s);
-
 /* Exercise pre-prologue dependency to %union.  */
-typedef int value;
+typedef int semantic_value;
 
-static value global_result = 0;
+static semantic_value global_result = 0;
 static int global_count = 0;
-
-]AT_LALR1_CC_IF([typedef yy::Location YYLTYPE;])[
 %}
 
 /* Exercise %union. */
 %union
 {
-  value ival;
+  semantic_value ival;
 };
 
 %{
 static int power (int base, int exponent);
-/* yyerror receives the location if:
+]AT_LALR1_CC_IF([typedef yy::Location YYLTYPE;],
+[/* 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, ])[
+static void yyerror (AT_YYERROR_ARG_LOC_IF([YYLTYPE *yylloc, ])
+                     AT_PARAM_IF([semantic_value *result, int *count, ])
                      const char *s
-                     );
+                     );])[
 static int yylex (]AT_LEX_FORMALS[);
 static int yygetc (]AT_LEX_FORMALS[);
 static void yyungetc (]AT_LEX_PRE_FORMALS[ int c);
@@ -118,37 +119,30 @@ exp:
 | '(' exp ')'        { $$ = $2;             }
 | '(' error ')'      { $$ = 1111;           }
 | '!'                { YYERROR;             }
+| '-' error          { YYERROR;             }
 ;
 %%
 /* The input. */
 static FILE *yyin;
 
 ]AT_LALR1_CC_IF(
-[/* Currently, print_ is required in C++. */
-void
-yy::Parser::print_ ()
-{
-  std::cerr << location;
-}
-
-/* A C++ error reporting function. */
+[/* A C++ error reporting function. */
 void
 yy::Parser::error_ ()
 {
-  std::cerr << location << ": " << message << std::endl;
+  std::cerr << AT_LOCATION_IF([location << ": " << ])message << std::endl;
 }
 
 int
-yyparse (void)
+yyparse (AT_PARAM_IF([semantic_value *result, int *count]))
 {
-  yy::Parser parser = yy::Parser (!!YYDEBUG[]AT_LOCATION_IF([,
-                                  yy::Location::Location ()]));
+  yy::Parser parser (!!YYDEBUG[]AT_PARAM_IF([, result, count]));
   return parser.parse ();
 }
 ],
 [static void
 yyerror (AT_YYERROR_ARG_LOC_IF([YYLTYPE *yylloc, ])
-         AT_PARAM_IF([value *result, int *count, ])
+         AT_PARAM_IF([semantic_value *result, int *count, ])
          const char *s)
 {
 AT_PARAM_IF([(void) result; (void) count;])
@@ -253,20 +247,18 @@ yylex (]AT_LEX_FORMALS[)
 ])])[
     }
 
-]AT_LALR1_CC_IF(
+]AT_LOCATION_IF([AT_LALR1_CC_IF(
 [ AT_LOC.begin = AT_LOC.end;],
-[AT_LOCATION_IF([
-  AT_LOC.first_column = AT_LOC.last_column;
+[ AT_LOC.first_column = AT_LOC.last_column;
   AT_LOC.first_line   = AT_LOC.last_line;
 ])])[
 
   /* Skip white space.  */
   while ((c = yygetc (]AT_LEX_ARGS[)) == ' ' || c == '\t')
     {
-]AT_LALR1_CC_IF(
+]AT_LOCATION_IF([AT_LALR1_CC_IF(
 [     AT_LOC.begin = AT_LOC.end;],
-[AT_LOCATION_IF([
-      AT_LOC.first_column = AT_LOC.last_column;
+[     AT_LOC.first_column = AT_LOC.last_column;
       AT_LOC.first_line   = AT_LOC.last_line;
 ])])[
     }
@@ -302,10 +294,11 @@ power (int base, int exponent)
 int
 main (int argc, const char **argv)
 {
-  value result = 0;
+  semantic_value result = 0;
   int count = 0;
   int status;
 
+  alarm (10);
   if (argc == 2)
     yyin = fopen (argv[1], "r");
   else
@@ -317,9 +310,8 @@ main (int argc, const char **argv)
       exit (1);
     }
 
-#if YYDEBUG
-  yydebug = 1;
-#endif
+]AT_LALR1_CC_IF([], [m4_bmatch([$4], [%debug],
+[  yydebug = 1;])])[
   status = yyparse (]AT_PARAM_IF([&result, &count])[);
   if (global_result != result)
     abort ();
@@ -427,117 +419,26 @@ 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_LALR1_CC_IF],
-[m4_bmatch([$3], ["lalr1.cc"], [$1], [$2])])
-m4_pushdef([AT_GLR_IF],
-[m4_bmatch([$3], [%glr-parser], [$1], [$2])])
-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_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_LALR1_CC_IF([$1],
-                [AT_LOCATION_IF([AT_GLR_IF([$1],
-                                           [AT_PURE_IF([AT_PARAM_IF([$1],
-                                                                    [$2])],
-                                                       [$1])])],
-                                [$2])])])
-
-# The interface is pure: either because %pure-parser, or because we
-# are using the C++ parsers.
-m4_pushdef([AT_PURE_LEX_IF],
-[AT_PURE_IF([$1],
-            [AT_LALR1_CC_IF([$1], [$2])])])
-
-AT_PURE_LEX_IF(
-[m4_pushdef([AT_LOC], [(*yylloc)])
- m4_pushdef([AT_VAL], [(*yylval)])
- m4_pushdef([AT_LEX_FORMALS],
-            [YYSTYPE *yylval[]AT_LOCATION_IF([, YYLTYPE *yylloc])])
- m4_pushdef([AT_LEX_ARGS],
-            [yylval[]AT_LOCATION_IF([, yylloc])])
- m4_pushdef([AT_USE_LEX_ARGS],
-            [(void) yylval;AT_LOCATION_IF([(void) yylloc])])
- m4_pushdef([AT_LEX_PRE_FORMALS],
-            [AT_LEX_FORMALS, ])
- m4_pushdef([AT_LEX_PRE_ARGS],
-            [AT_LEX_ARGS, ])
-],
-[m4_pushdef([AT_LOC], [(yylloc)])
- m4_pushdef([AT_VAL], [(yylval)])
- m4_pushdef([AT_LEX_FORMALS],     [void])
- m4_pushdef([AT_LEX_ARGS],        [])
- m4_pushdef([AT_USE_LEX_ARGS],    [])
- m4_pushdef([AT_LEX_PRE_FORMALS], [])
- m4_pushdef([AT_LEX_PRE_ARGS],    [])
-])
-])# AT_CALC_PUSHDEFS
-
-
-# AT_CALC_POPDEFS
-# ---------------
-m4_define([AT_CHECK_POPDEFS],
-[m4_popdef([AT_LEX_PRE_ARGS])
-m4_popdef([AT_LEX_PRE_FORMALS])
-m4_popdef([AT_USE_LEX_ARGS])
-m4_popdef([AT_LEX_ARGS])
-m4_popdef([AT_LEX_FORMALS])
-m4_popdef([AT_VAL])
-m4_popdef([AT_LOC])
-m4_popdef([AT_PURE_LEX_IF])
-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_LOCATION_IF])
-m4_popdef([AT_PARAM_IF])
-m4_popdef([AT_GLR_IF])
-m4_popdef([AT_LALR1_CC_IF])
-])
-
-
-
-# AT_CHECK_CALC([BISON-OPTIONS])
+# AT_CHECK_CALC([BISON-OPTIONS [, EXPECTED-TO-FAIL]])
 # ------------------------------
 # Start a testing chunk which compiles `calc' grammar with
 # BISON-OPTIONS, and performs several tests over the parser.
+# However, if EXPECTED-TO-FAIL is nonempty, this test is expected to fail.
 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])
+m4_ifval([$2], [AT_CHECK([exit 77])])
 
-AT_DATA_CALC_Y([$1])
+AT_BISON_OPTION_PUSHDEFS([$1])
 
-# Specify the output files to avoid problems on different file systems.
-AT_CHECK([bison -o calc.c calc.y],
-         [0], [], [])
+AT_DATA_CALC_Y([$1])
 
 AT_LALR1_CC_IF(
-[AT_CHECK([$CXX --version || exit 77], 0, ignore, ignore)
-AT_COMPILE_CXX([calc])],
-[AT_COMPILE([calc])])
+  [AT_CHECK([bison -o calc.cc calc.y])
+   AT_COMPILE_CXX([calc])],
+  [AT_CHECK([bison -o calc.c calc.y])
+   AT_COMPILE([calc])])
 
 # Test the priorities.
 _AT_CHECK_CALC([$1],
@@ -554,24 +455,24 @@ _AT_CHECK_CALC([$1],
 
 2^2^3 = 256
 (2^2)^3 = 64],
-               [486])
+               [570])
 
 # Some syntax errors.
-_AT_CHECK_CALC_ERROR([$1], [1], [0 0], [11],
+_AT_CHECK_CALC_ERROR([$1], [1], [0 0], [13],
                      [1.2: syntax error, unexpected "number"])
-_AT_CHECK_CALC_ERROR([$1], [1], [1//2], [15],
+_AT_CHECK_CALC_ERROR([$1], [1], [1//2], [18],
                      [1.2: syntax error, unexpected '/', expecting "number" or '-' or '(' or '!'])
-_AT_CHECK_CALC_ERROR([$1], [1], [error], [4],
+_AT_CHECK_CALC_ERROR([$1], [1], [error], [5],
                      [1.0: syntax error, unexpected $undefined])
-_AT_CHECK_CALC_ERROR([$1], [1], [1 = 2 = 3], [22],
+_AT_CHECK_CALC_ERROR([$1], [1], [1 = 2 = 3], [26],
                      [1.6: syntax error, unexpected '='])
 _AT_CHECK_CALC_ERROR([$1], [1],
                      [
 +1],
-                     [14],
+                     [16],
                      [2.0: syntax error, unexpected '+'])
 # Exercise error messages with EOF: work on an empty file.
-_AT_CHECK_CALC_ERROR([$1], [1], [/dev/null], [4],
+_AT_CHECK_CALC_ERROR([$1], [1], [/dev/null], [5],
                      [1.0: syntax error, unexpected "end of input"])
 
 # Exercise the error token: without it, we die at the first error,
@@ -585,14 +486,14 @@ _AT_CHECK_CALC_ERROR([$1], [1], [/dev/null], [4],
 #
 # - test the action associated to `error'
 #
-# - check the lookahead that triggers an error is not discarded
-#   when we enter error recovery.  Below, the lookahead causing the
+# - check the look-ahead that triggers an error is not discarded
+#   when we enter error recovery.  Below, the look-ahead causing the
 #   first error is ")", which is needed to recover from the error and
 #   produce the "0" that triggers the "0 != 1" error.
 #
 _AT_CHECK_CALC_ERROR([$1], [0],
                      [() + (1 + 1 + 1 +) + (* * *) + (1 * 2 * *) = 1],
-                     [156],
+                     [188],
 [1.1: syntax error, unexpected ')', expecting "number" or '-' or '(' or '!'
 1.17: syntax error, unexpected ')', expecting "number" or '-' or '(' or '!'
 1.22: syntax error, unexpected '*', expecting "number" or '-' or '(' or '!'
@@ -600,11 +501,15 @@ _AT_CHECK_CALC_ERROR([$1], [0],
 calc: error: 4444 != 1])
 
 # The same, but this time exercising explicitly triggered syntax errors.
-# POSIX says the lookahead causing the error should not be discarded.
-_AT_CHECK_CALC_ERROR([$1], [0], [(!) + (0 0) = 1], [64],
+# POSIX says the look-ahead causing the error should not be discarded.
+_AT_CHECK_CALC_ERROR([$1], [0], [(!) + (0 0) = 1], [75],
 [1.9: syntax error, unexpected "number"
 calc: error: 2222 != 1])
-AT_CHECK_POPDEFS
+_AT_CHECK_CALC_ERROR([$1], [0], [(- *) + (0 0) = 1], [85],
+[1.3: syntax error, unexpected '*', expecting "number" or '-' or '(' or '!'
+1.11: syntax error, unexpected "number"
+calc: error: 2222 != 1])
+AT_BISON_OPTION_POPDEFS
 
 AT_CLEANUP
 ])# AT_CHECK_CALC
@@ -634,6 +539,7 @@ AT_CHECK_CALC_LALR([%verbose])
 AT_CHECK_CALC_LALR([%yacc])
 AT_CHECK_CALC_LALR([%error-verbose])
 
+AT_CHECK_CALC_LALR([%pure-parser %locations])
 AT_CHECK_CALC_LALR([%error-verbose %locations])
 
 AT_CHECK_CALC_LALR([%error-verbose %locations %defines %name-prefix="calc" %verbose %yacc])
@@ -643,7 +549,7 @@ AT_CHECK_CALC_LALR([%error-verbose %debug %locations %defines %name-prefix="calc
 
 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}])
+AT_CHECK_CALC_LALR([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
 
 
 # ----------------------- #
@@ -669,6 +575,7 @@ AT_CHECK_CALC_GLR([%verbose])
 AT_CHECK_CALC_GLR([%yacc])
 AT_CHECK_CALC_GLR([%error-verbose])
 
+AT_CHECK_CALC_GLR([%pure-parser %locations])
 AT_CHECK_CALC_GLR([%error-verbose %locations])
 
 AT_CHECK_CALC_GLR([%error-verbose %locations %defines %name-prefix="calc" %verbose %yacc])
@@ -678,7 +585,7 @@ AT_CHECK_CALC_GLR([%error-verbose %debug %locations %defines %name-prefix="calc"
 
 AT_CHECK_CALC_GLR([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc])
 
-AT_CHECK_CALC_GLR([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc %parse-param {value *result} %parse-param {int *count}])
+AT_CHECK_CALC_GLR([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])
 
 
 # ----------------------------- #
@@ -690,29 +597,29 @@ AT_BANNER([[Simple LALR1 C++ Calculator.]])
 # AT_CHECK_CALC_LALR1_CC([BISON-OPTIONS])
 # ---------------------------------------
 # Start a testing chunk which compiles `calc' grammar with
-# BISON-OPTIONS and %glr-parser, and performs several tests over the parser.
+# the C++ skeleton, and performs several tests over the parser.
 m4_define([AT_CHECK_CALC_LALR1_CC],
 [AT_CHECK_CALC([%skeleton "lalr1.cc"] $@)])
 
 # AT_CHECK_CALC_LALR1_CC()
 
-# FIXME: YYERROR is not supported
-#   AT_CHECK_CALC_LALR1_CC([%defines %pure-parser %locations])
+AT_CHECK_CALC_LALR1_CC([%defines %locations])
 
-# AT_CHECK_CALC_LALR1_CC([%defines])
+AT_CHECK_CALC_LALR1_CC([%defines])
 # AT_CHECK_CALC_LALR1_CC([%locations])
 # AT_CHECK_CALC_LALR1_CC([%name-prefix="calc"])
 # AT_CHECK_CALC_LALR1_CC([%verbose])
 # AT_CHECK_CALC_LALR1_CC([%yacc])
 # AT_CHECK_CALC_LALR1_CC([%error-verbose])
 
+# AT_CHECK_CALC_LALR1_CC([%pure-parser %locations])
 # AT_CHECK_CALC_LALR1_CC([%error-verbose %locations])
 
-# AT_CHECK_CALC_LALR1_CC([%error-verbose %locations %defines %name-prefix="calc" %verbose %yacc])
+AT_CHECK_CALC_LALR1_CC([%error-verbose %locations %defines %name-prefix="calc" %verbose %yacc])
 
 # AT_CHECK_CALC_LALR1_CC([%debug])
-# AT_CHECK_CALC_LALR1_CC([%error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc])
+AT_CHECK_CALC_LALR1_CC([%error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc])
 
-# AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc])
+AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc])
 
-# AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc %parse-param {value *result} %parse-param {int *count}])
+AT_CHECK_CALC_LALR1_CC([%pure-parser %error-verbose %debug %locations %defines %name-prefix="calc" %verbose %yacc %parse-param {semantic_value *result} %parse-param {int *count}])