Fix some nits reported by twlevo.

[bison.git] / tests / input.at

diff --git a/tests/input.at b/tests/input.at
index 9fd201c8340ec7d4de3ba2f4fd1607219686097e..ba45119c2c9052c6aed884b613005405e730f4cc 100644 (file)
--- a/tests/input.at
+++ b/tests/input.at
@@ -1,5 +1,5 @@
 # Checking the Bison scanner.                    -*- Autotest -*-
-# Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+# Copyright (C) 2002, 2003, 2004, 2005, 2006 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
@@ -13,8 +13,8 @@
 
 # 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.
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301, USA.
 
 AT_BANNER([[Input Processing.]])
 
@@ -82,6 +82,74 @@ input.y:6.5: warning: empty rule for typed nonterminal, and no action
 AT_CLEANUP
 
 
+## --------------- ##
+## Unused values.  ##
+## --------------- ##
+
+AT_SETUP([Unused values])
+
+AT_DATA([input.y],
+[[%token <integer> INT
+%type <integer> a b c d e f g h i j k l
+%destructor { destroy ($$); } INT a b c d e f g h i j k l
+%%
+start:
+  'a' a { $2 } | 'b' b { $2 } | 'c' c { $2 } | 'd' d { $2 } | 'e' e { $2 }
+| 'f' f { $2 } | 'g' g { $2 } | 'h' h { $2 } | 'i' i { $2 } | 'j' j { $2 }
+| 'k' k { $2 } | 'l' l { $2 }
+;
+
+a: INT | INT { } INT { } INT { };
+b: INT | /* empty */;
+c: INT | INT { $1 } INT { } INT { };
+d: INT | INT { } INT { $1 } INT { };
+e: INT | INT { } INT {  } INT { $1 };
+f: INT | INT { } INT {  } INT { $$ = $1 + $3 + $5; };
+g: INT | INT { $$ } INT { $$ } INT { };
+h: INT | INT { $$ } INT { $$ = $2 } INT { };
+i: INT | INT INT { } { $$ = $1 + $2; };
+j: INT | INT INT { $<integer>$ = 1; } { $$ = $1 + $2; };
+k: INT | INT INT { $$; } { $$ = $3; } { };
+l: INT | INT { $$ = $1; } INT { $$ = $2 + $3; } INT { $$ = $4 + $5; };
+
+]])
+
+AT_CHECK([bison input.y], [], [],
+[[input.y:11.10-32: warning: unset value: $$
+input.y:11.10-32: warning: unused value: $1
+input.y:11.10-32: warning: unused value: $3
+input.y:11.10-32: warning: unused value: $5
+input.y:12.9: warning: empty rule for typed nonterminal, and no action
+input.y:13.10-35: warning: unset value: $$
+input.y:13.10-35: warning: unused value: $3
+input.y:13.10-35: warning: unused value: $5
+input.y:14.10-35: warning: unset value: $$
+input.y:14.10-35: warning: unused value: $3
+input.y:14.10-35: warning: unused value: $5
+input.y:15.10-36: warning: unset value: $$
+input.y:15.10-36: warning: unused value: $3
+input.y:15.10-36: warning: unused value: $5
+input.y:17.10-38: warning: unset value: $$
+input.y:17.10-38: warning: unused value: $1
+input.y:17.10-38: warning: unused value: $2
+input.y:17.10-38: warning: unused value: $3
+input.y:17.10-38: warning: unused value: $4
+input.y:17.10-38: warning: unused value: $5
+input.y:18.10-43: warning: unset value: $$
+input.y:18.10-43: warning: unused value: $1
+input.y:18.10-43: warning: unused value: $3
+input.y:18.10-43: warning: unused value: $4
+input.y:18.10-43: warning: unused value: $5
+input.y:20.10-55: warning: unused value: $3
+input.y:21.10-41: warning: unset value: $$
+input.y:21.10-41: warning: unused value: $1
+input.y:21.10-41: warning: unused value: $2
+input.y:21.10-41: warning: unused value: $4
+]])
+
+AT_CLEANUP
+
+
 ## ---------------------- ##
 ## Incompatible Aliases.  ##
 ## ---------------------- ##
@@ -110,7 +178,7 @@ AT_CHECK([bison input.y], [1], [],
 input.y:3.7-11: first declaration
 input.y:10.13-17: %destructor redeclaration for foo
 input.y:5.13-17: first declaration
-input.y:9.19-23: %printer redeclaration for foo
+input.y:9.10-14: %printer redeclaration for foo
 input.y:10.13-17: first declaration
 input.y:11.1-5: %left redeclaration for foo
 input.y:6.1-5: first declaration
@@ -297,3 +365,24 @@ exp: "MY TOKEN";
 AT_CHECK([bison -o input.c input.y])
 
 AT_CLEANUP
+
+
+## --------- ##
+## Require.  ##
+## --------- ##
+
+m4_define([AT_CHECK_REQUIRE],
+[AT_SETUP([Require $1])
+AT_DATA_GRAMMAR([input.y],
+[[%require "$1";
+%%
+empty_file:;
+]])
+AT_CHECK([bison -o input.c input.y], $2, [], ignore)
+AT_CLEANUP
+])
+
+AT_CHECK_REQUIRE(1.0, 0)
+AT_CHECK_REQUIRE(AT_PACKAGE_VERSION, 0)
+## FIXME: Some day augment this version number.
+AT_CHECK_REQUIRE(100.0, 63)