(Torturing the Scanner): Remove lines containing

[bison.git] / tests / input.at

diff --git a/tests/input.at b/tests/input.at
index 978affc598d7dda88b3160507a7feefa03ab96cd..f397811cec7dd6fb2f4a72ca74048d79cb9e39e3 100644 (file)
--- a/tests/input.at
+++ b/tests/input.at
@@ -1,5 +1,5 @@
 # Checking the output filenames.                    -*- Autotest -*-
-# Copyright 2002 Free Software Foundation, Inc.
+# Copyright (C) 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
@@ -20,20 +20,20 @@ AT_BANNER([[Input Processing.]])
 
 # Mostly test that we are robust to mistakes.
 
+
 ## ------------ ##
 ## Invalid $n.  ##
 ## ------------ ##
 
-
 AT_SETUP([Invalid $n])
 
 AT_DATA([input.y],
 [[%%
-exp: { $$ = $1 ; }
+exp: { $$ = $1 ; };
 ]])
 
 AT_CHECK([bison input.y], [1], [],
-[[input.y:2: invalid value: $1
+[[input.y:2.6-14: integer out of range: `$1'
 ]])
 
 AT_CLEANUP
@@ -43,16 +43,168 @@ AT_CLEANUP
 ## Invalid @n.  ##
 ## ------------ ##
 
-
 AT_SETUP([Invalid @n])
 
 AT_DATA([input.y],
 [[%%
-exp: { @$ = @1 ; }
+exp: { @$ = @1 ; };
 ]])
 
 AT_CHECK([bison input.y], [1], [],
-[[input.y:2: invalid value: @1
+[[input.y:2.6-14: integer out of range: `@1'
+]])
+
+AT_CLEANUP
+
+
+## -------------- ##
+## Type Clashes.  ##
+## -------------- ##
+
+AT_SETUP([Type Clashes])
+
+AT_DATA([input.y],
+[[%token foo
+%type <bar> exp
+%%
+exp: foo {} foo
+   | foo
+   | /* Empty. */
+   ;
+]])
+
+AT_CHECK([bison input.y], [1], [],
+[[input.y:4.4-15: type clash on default action: <bar> != <>
+input.y:5.4-8: type clash on default action: <bar> != <>
+input.y:6.4: empty rule for typed nonterminal, and no action
+]])
+
+AT_CLEANUP
+
+
+
+## ----------------------- ##
+## Torturing the Scanner.  ##
+## ----------------------- ##
+
+# Be sure to compile and run, so that the C compiler checks what
+# we do.
+
+AT_SETUP([Torturing the Scanner])
+
+AT_DATA([input.y],
+[[%{
+/* This is seen in GCC: a %{ and %} in middle of a comment. */
+const char *foo = "So %{ and %} can be here too.";
+
+#ifdef __STDC__
+/\
+* A comment with backslash-newlines in 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.  */
+typedef int value_t;
+%}
+
+/* Exercise M4 quoting: '@:>@@:>@', 0.  */
+
+/* Also exercise %union. */
+%union
+{
+  value_t ival; /* A comment to exercise an old bug. */
+};
+
+
+/* Exercise post-prologue dependency to %union.  */
+%{
+static YYSTYPE value_t_as_yystype (value_t val);
+
+/* Exercise quotes in declarations.  */
+char quote[] = "@:>@@:>@,";
+%}
+
+%{
+static void yyerror (const char *s);
+static int yylex (void);
+%}
+
+%type <ival> '@<:@'
+
+/* Exercise quotes in strings.  */
+%token FAKE "fake @<:@@:>@ \a\b\f\n\r\t\v\"\'\?\\\u005B\U0000005c ??!??'??(??)??-??/??<??=??> \x0\0"
+
+%%
+/* Exercise M4 quoting: '@:>@@:>@', @<:@, 1.  */
+exp: '@<:@' '\1' two '$' '@' '{' oline output
+  {
+    /* Exercise quotes in braces.  */
+    char tmp[] = "@<:@%c@:>@,\n";
+    printf (tmp, $1);
+  }
+;
+
+two: '\x000000000000000000000000000000000000000000000000000000000000000000002';
+oline: '@' 'o' 'l' 'i' 'n' 'e' '@' '_' '_' 'o' 'l' 'i' 'n' 'e' '_' '_';
+output: '#' 'o' 'u' 't' 'p' 'u' 't' ' ';
+%%
+/* Exercise M4 quoting: '@:>@@:>@', @<:@, 2.  */
+
+static YYSTYPE
+value_t_as_yystype (value_t val)
+{
+  YYSTYPE res;
+  res.ival = val;
+  return res;
+}
+
+static int
+yylex (void)
+{
+  static const char *input = "@<:@\1\2$@{@oline@__@&t@oline__\
+#output "; /* "
+  */
+  yylval = value_t_as_yystype (*input);
+  return *input++;
+}
+
+static void
+yyerror (const char *msg)
+{
+  fprintf (stderr, "%s\n", msg);
+}
+]])
+
+AT_DATA([main.c],
+[[typedef int value_t;
+#include "input.h"
+
+int yyparse (void);
+
+int
+main (void)
+{
+  return yyparse ();
+}
+]])
+
+AT_CHECK([bison -d -v -o input.c input.y])
+AT_COMPILE([input], [input.c main.c])
+AT_PARSER_CHECK([./input], 0,
+[[[@<:@],
 ]])
 
 AT_CLEANUP