(Torturing the Scanner): Surround the backslash-newline tests with

[bison.git] / tests / input.at

diff --git a/tests/input.at b/tests/input.at
index c0ae5d2d6eede25f1b917bc9415135a738e4abc7..78308d0c207356254222b4abd88fef8900267f8e 100644 (file)
--- a/tests/input.at
+++ b/tests/input.at
@@ -33,7 +33,7 @@ exp: { $$ = $1 ; };
 ]])
 
 AT_CHECK([bison input.y], [1], [],
-[[input.y:2.6-14: invalid value: $1
+[[input.y:2.6-14: integer out of range: `$1'
 ]])
 
 AT_CLEANUP
@@ -51,7 +51,7 @@ exp: { @$ = @1 ; };
 ]])
 
 AT_CHECK([bison input.y], [1], [],
-[[input.y:2.6-14: invalid value: @1
+[[input.y:2.6-14: integer out of range: `@1'
 ]])
 
 AT_CLEANUP
@@ -92,25 +92,38 @@ AT_CLEANUP
 
 AT_SETUP([Torturing the Scanner])
 
-AT_DATA([input.y],
+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.";
 
-#ifdef __STDC__
+#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. %{ %} *\
+* 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 = '\\
-\
-'\
-';
+char apostrophe = '\'';
 #endif
 
 #include <stdio.h>
@@ -151,13 +164,17 @@ static int yylex (void);
 
 %%
 /* Exercise M4 quoting: '@:>@@:>@', @<:@, 1.  */
-exp: '@<:@' '\1' '\x000000000000000000000000000000000000000000000000002'
+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.  */
 
@@ -172,7 +189,9 @@ value_t_as_yystype (value_t val)
 static int
 yylex (void)
 {
-  static const char *input = "@<:@\1\2";
+  static const char *input = "@<:@\1\2$@{@oline@__@&t@oline__\
+#output "; /* "
+  */
   yylval = value_t_as_yystype (*input);
   return *input++;
 }
@@ -184,6 +203,8 @@ yyerror (const char *msg)
 }
 ]])
 
+# Pacify Emacs'font-lock-mode: "
+
 AT_DATA([main.c],
 [[typedef int value_t;
 #include "input.h"
@@ -198,7 +219,9 @@ main (void)
 ]])
 
 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,
 [[[@<:@],
 ]])