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Add tests for backslash-newline, m4 quotes

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in symbols, long literals, and funny escapes in strings.
This commit is contained in:
Paul Eggert
2002-11-03 08:42:56 +00:00
parent d8d3f94a99
commit 206fe6a5ec
1 changed files with 23 additions and 7 deletions
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30
tests/input.at
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@@ -97,6 +97,22 @@ AT_DATA([input.y],
/* This is seen in GCC: a %{ and %} in middle of a comment. */ /* This is seen in GCC: a %{ and %} in middle of a comment. */
const char *foo = "So %{ and %} can be here too."; 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> #include <stdio.h>
%} %}
/* %{ and %} can be here too. */ /* %{ and %} can be here too. */
@@ -128,14 +144,14 @@ 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 ??!??'??(??)??-??/??<??=??> \x0\0"
%% %%
/* Exercise M4 quoting: '@:>@@:>@', 1. */ /* Exercise M4 quoting: '@:>@@:>@', @<:@, 1. */
exp: '1' exp: '@<:@' '\1' '\x000000000000000000000000000000000000000000000000002'
{ {
/* Exercise quotes in braces. */ /* Exercise quotes in braces. */
char tmp[] = "@<:@%c@:>@,\n"; char tmp[] = "@<:@%c@:>@,\n";
@@ -143,7 +159,7 @@ exp: '1'
} }
; ;
%% %%
/* Exercise M4 quoting: '@:>@@:>@', 2. */ /* Exercise M4 quoting: '@:>@@:>@', @<:@, 2. */
static YYSTYPE static YYSTYPE
value_t_as_yystype (value_t val) value_t_as_yystype (value_t val)
@@ -156,7 +172,7 @@ value_t_as_yystype (value_t val)
static int static int
yylex (void) yylex (void)
{ {
static const char *input = "1"; static const char *input = "@<:@\1\2";
yylval = value_t_as_yystype (*input); yylval = value_t_as_yystype (*input);
return *input++; return *input++;
} }
@@ -184,7 +200,7 @@ 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], [input.c main.c])
AT_PARSER_CHECK([./input], 0, AT_PARSER_CHECK([./input], 0,
[[[1], [[[@<:@],
]]) ]])
AT_CLEANUP AT_CLEANUP