* src/reader.c, src/symlist.h, src/symlist.c: s/mid_rule/midrule/.

[bison.git] / tests / input.at

diff --git a/tests/input.at b/tests/input.at
index 7c5f73e55a1f1d1b6bd0da71d1c4141e9b6206fb..cfff34c8741a8b9f3385a6d723a29c9e3c95dbd9 100644 (file)
--- a/tests/input.at
+++ b/tests/input.at
@@ -1,5 +1,5 @@
-# Checking the output filenames.                    -*- Autotest -*-
-# Copyright (C) 2002 Free Software Foundation, Inc.
+# Checking the Bison scanner.                    -*- Autotest -*-
+# 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
 
 # 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
 
 # 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.]])
 
 
 AT_BANNER([[Input Processing.]])
 


@@ -25,7 +25,7 @@ AT_BANNER([[Input Processing.]])
 ## Invalid $n.  ##
 ## ------------ ##
 
 ## Invalid $n.  ##
 ## ------------ ##
 

-AT_SETUP([Invalid $n])
+AT_SETUP([Invalid dollar-n])

 
 AT_DATA([input.y],
 [[%%
 
 AT_DATA([input.y],
 [[%%


@@ -33,7 +33,7 @@ exp: { $$ = $1 ; };
 ]])
 
 AT_CHECK([bison input.y], [1], [],
 ]])
 
 AT_CHECK([bison input.y], [1], [],

-[[input.y:2.6-14: invalid value: $1
+[[input.y:2.13-14: integer out of range: `$1'

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP


@@ -51,7 +51,7 @@ exp: { @$ = @1 ; };
 ]])
 
 AT_CHECK([bison input.y], [1], [],
 ]])
 
 AT_CHECK([bison input.y], [1], [],

-[[input.y:2.6-14: invalid value: @1
+[[input.y:2.13-14: integer out of range: `@1'

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP


@@ -73,10 +73,127 @@ exp: foo {} foo
    ;
 ]])
 
    ;
 ]])
 

+AT_CHECK([bison input.y], [], [],
+[[input.y:4.6-15: warning: type clash on default action: <bar> != <>
+input.y:5.6-8: warning: type clash on default action: <bar> != <>
+input.y:6.5: warning: empty rule for typed nonterminal, and no action
+]])
+
+AT_CLEANUP
+
+
+## --------------- ##
+## Unused values.  ##
+## --------------- ##
+
+m4_define([AT_CHECK_UNUSED_VALUES],
+[AT_SETUP([Unused values])
+
+AT_DATA([input.y],
+[[%token <integer> INT
+%type <integer> exp
+%%
+exp:
+  $1
+| INT
+;
+]])
+
+AT_CHECK([bison input.y], [], [],
+[[$2]])
+
+AT_CLEANUP
+])
+
+AT_CHECK_UNUSED_VALUES([INT { } INT { } INT { }],
+[input.y:5.3-25: warning: unset value: $$
+input.y:5.3-25: warning: unused value: $1
+input.y:5.3-25: warning: unused value: $3
+input.y:5.3-25: warning: unused value: $5
+])
+
+AT_CHECK_UNUSED_VALUES([INT { $1 } INT { } INT { }],
+[input.y:5.3-28: warning: unset value: $$
+input.y:5.3-28: warning: unused value: $3
+input.y:5.3-28: warning: unused value: $5
+])
+
+AT_CHECK_UNUSED_VALUES([INT { } INT { $1 } INT { }],
+[input.y:5.3-28: warning: unset value: $$
+input.y:5.3-28: warning: unused value: $3
+input.y:5.3-28: warning: unused value: $5
+])
+
+AT_CHECK_UNUSED_VALUES([INT { } INT {  } INT { $1 }],
+[input.y:5.3-29: warning: unset value: $$
+input.y:5.3-29: warning: unused value: $3
+input.y:5.3-29: warning: unused value: $5
+])
+
+AT_CHECK_UNUSED_VALUES([INT { } INT {  } INT { $$ = $1 + $3 + $5; }])
+
+# Checking mid-rule values.
+AT_CHECK_UNUSED_VALUES([INT { $$ } INT { $$ } INT { }],
+[input.y:5.3-31: warning: unset value: $$
+input.y:5.3-31: warning: unused value: $1
+input.y:5.3-31: warning: unused value: $2
+input.y:5.3-31: warning: unused value: $3
+input.y:5.3-31: warning: unused value: $4
+input.y:5.3-31: warning: unused value: $5
+])
+
+AT_CHECK_UNUSED_VALUES([INT { $$ } INT { $$ = $2 } INT { }],
+[input.y:5.3-36: warning: unset value: $$
+input.y:5.3-36: warning: unused value: $1
+input.y:5.3-36: warning: unused value: $3
+input.y:5.3-36: warning: unused value: $4
+input.y:5.3-36: warning: unused value: $5
+])
+
+# AT_CHECK_UNUSED_VALUES([INT { $$ } { $$ = $2 } { }],
+# [input.y:5.3-36: warning: unset value: $$
+# input.y:5.3-36: warning: unused value: $1
+# input.y:5.3-36: warning: unused value: $3
+# input.y:5.3-36: warning: unused value: $4
+# input.y:5.3-36: warning: unused value: $5
+# ])
+
+AT_CHECK_UNUSED_VALUES([INT { $$ = $1 } INT { $$ = $2 + $3 } INT { $$ = $4 + $5 }])
+
+
+
+## ---------------------- ##
+## Incompatible Aliases.  ##
+## ---------------------- ##
+
+AT_SETUP([Incompatible Aliases])
+
+AT_DATA([input.y],
+[[%token foo "foo"
+
+%type <bar>       foo
+%printer {bar}    foo
+%destructor {bar} foo
+%left             foo
+
+%type <baz>       "foo"
+%printer {baz}    "foo"
+%destructor {baz} "foo"
+%left             "foo"
+
+%%
+exp: foo;
+]])
+

 AT_CHECK([bison input.y], [1], [],
 AT_CHECK([bison input.y], [1], [],

-[[input.y:4.4-15: type clash (`bar' `') on default action
-input.y:5.4-8: type clash (`bar' `') on default action
-input.y:6.4: empty rule for typed nonterminal, and no action
+[[input.y:8.7-11: %type redeclaration for foo
+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:10.13-17: first declaration
+input.y:11.1-5: %left redeclaration for foo
+input.y:6.1-5: first declaration

 ]])
 
 AT_CLEANUP
 ]])
 
 AT_CLEANUP


@@ -92,18 +209,54 @@ AT_CLEANUP
 
 AT_SETUP([Torturing the Scanner])
 
 
 AT_SETUP([Torturing the Scanner])
 

-AT_DATA([input.y],
+
+AT_DATA([input.y], [])
+AT_CHECK([bison input.y], [1], [],
+[[input.y:1.1: syntax error, unexpected end of file
+]])
+
+
+AT_DATA_GRAMMAR([input.y],

 [[%{
 /* This is seen in GCC: a %{ and %} in middle of a comment. */
 const char *foo = "So %{ and %} can be here too.";
 
 [[%{
 /* This is seen in GCC: a %{ and %} in middle of a comment. */
 const char *foo = "So %{ and %} can be here too.";
 

+#if 0
+/* These examples test Bison while not stressing C compilers too much.
+   Many C compilers mishandle backslash-newlines, so this part of the
+   test is inside "#if 0".  The comment and string are written so that
+   the "#endif" will be seen regardless of the C compiler bugs that we
+   know about, namely:
+
+     HP C (as of late 2002) mishandles *\[newline]\[newline]/ within a
+     comment.
+
+     The Apple Darwin compiler (as of late 2002) mishandles
+     \\[newline]' within a character constant.
+
+   */
+
+/\
+* A comment with backslash-newlines in it. %} *\
+\
+/
+/* { Close the above comment, if the C compiler mishandled it.  */
+
+char str[] = "\\
+" A string with backslash-newlines in it %{ %} \\
+\
+"";
+
+char apostrophe = '\'';
+#endif
+

 #include <stdio.h>
 %}
 /* %{ and %} can be here too. */
 
 %{
 /* Exercise pre-prologue dependency to %union.  */
 #include <stdio.h>
 %}
 /* %{ and %} can be here too. */
 
 %{
 /* Exercise pre-prologue dependency to %union.  */

-typedef int value_t;
+typedef int value;

 %}
 
 /* Exercise M4 quoting: '@:>@@:>@', 0.  */
 %}
 
 /* Exercise M4 quoting: '@:>@@:>@', 0.  */


@@ -111,13 +264,13 @@ typedef int value_t;
 /* Also exercise %union. */
 %union
 {
 /* Also exercise %union. */
 %union
 {

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

 };
 
 
 /* Exercise post-prologue dependency to %union.  */
 %{
 };
 
 
 /* Exercise post-prologue dependency to %union.  */
 %{

-static YYSTYPE value_t_as_yystype (value_t val);
+static YYSTYPE value_as_yystype (value val);

 
 /* Exercise quotes in declarations.  */
 char quote[] = "@:>@@:>@,";
 
 /* Exercise quotes in declarations.  */
 char quote[] = "@:>@@:>@,";


@@ -128,25 +281,30 @@ static void yyerror (const char *s);
 static int yylex (void);
 %}
 
 static int yylex (void);
 %}
 

-%type <ival> '1'
+%type <ival> '@<:@'

 
 /* Exercise quotes in strings.  */
 
 /* Exercise quotes in strings.  */

-%token FAKE "fake @<:@@:>@,"
+%token FAKE "fake @<:@@:>@ \a\b\f\n\r\t\v\"\'\?\\\u005B\U0000005c ??!??'??(??)??-??/??<??=??> \x1\1"

 
 %%
 
 %%

-/* Exercise M4 quoting: '@:>@@:>@', 1.  */
-exp: '1'
+/* Exercise M4 quoting: '@:>@@:>@', @<:@, 1.  */
+exp: '@<:@' '\1' two '$' '@' '{' oline output.or.oline.opt

   {
     /* Exercise quotes in braces.  */
     char tmp[] = "@<:@%c@:>@,\n";
     printf (tmp, $1);
   }
 ;
   {
     /* Exercise quotes in braces.  */
     char tmp[] = "@<:@%c@:>@,\n";
     printf (tmp, $1);
   }
 ;

+
+two: '\x000000000000000000000000000000000000000000000000000000000000000000002';
+oline: '@' 'o' 'l' 'i' 'n' 'e' '@' '_' '_' 'o' 'l' 'i' 'n' 'e' '_' '_';
+output.or.oline.opt: ;|oline;;|output;;;
+output: '#' 'o' 'u' 't' 'p' 'u' 't' ' ';

 %%
 %%

-/* Exercise M4 quoting: '@:>@@:>@', 2.  */
+/* Exercise M4 quoting: '@:>@@:>@', @<:@, 2.  */

 
 static YYSTYPE
 
 static YYSTYPE

-value_t_as_yystype (value_t val)
+value_as_yystype (value val)

 {
   YYSTYPE res;
   res.ival = val;
 {
   YYSTYPE res;
   res.ival = val;


@@ -156,8 +314,10 @@ value_t_as_yystype (value_t val)
 static int
 yylex (void)
 {
 static int
 yylex (void)
 {

-  static const char *input = "1";
-  yylval = value_t_as_yystype (*input);
+  static const char *input = "@<:@\1\2$@{@oline@__@&t@oline__\
+#output "; /* "
+  */
+  yylval = value_as_yystype (*input);

   return *input++;
 }
 
   return *input++;
 }
 


@@ -168,8 +328,10 @@ yyerror (const char *msg)
 }
 ]])
 
 }
 ]])
 

+# Pacify Emacs'font-lock-mode: "
+

 AT_DATA([main.c],
 AT_DATA([main.c],

-[[typedef int value_t;
+[[typedef int value;

 #include "input.h"
 
 int yyparse (void);
 #include "input.h"
 
 int yyparse (void);


@@ -182,9 +344,57 @@ main (void)
 ]])
 
 AT_CHECK([bison -d -v -o input.c input.y])
 ]])
 
 AT_CHECK([bison -d -v -o input.c input.y])

-AT_COMPILE([input], [input.c main.c])
+AT_COMPILE([input.o], [-c input.c])
+AT_COMPILE([main.o], [-c main.c])
+AT_COMPILE([input], [input.o main.o])

 AT_PARSER_CHECK([./input], 0,
 AT_PARSER_CHECK([./input], 0,

-[[[1],
+[[[@<:@],
+]])
+
+AT_CLEANUP
+
+
+## ---------------------- ##
+## Typed symbol aliases.  ##
+## ---------------------- ##
+
+AT_SETUP([Typed symbol aliases])
+
+# Bison 2.0 broke typed symbol aliases - ensure they work.
+
+AT_DATA_GRAMMAR([input.y],
+[[%union
+{
+  int val;
+};
+%token <val> MY_TOKEN "MY TOKEN"
+%type <val> exp
+%%
+exp: "MY TOKEN";
+%%

 ]])
 
 ]])
 

+AT_CHECK([bison -o input.c input.y])
+

 AT_CLEANUP
 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)