The Tor Browser: security/nss/coreconf/mkdepend/ifparser.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /*

     2  * $Xorg: ifparser.h,v 1.3 2000/08/17 19:41:51 cpqbld Exp $

     3  *

     4  * Copyright 1992 Network Computing Devices, Inc.

     5  *

     6  * Permission to use, copy, modify, and distribute this software and its

     7  * documentation for any purpose and without fee is hereby granted, provided

     8  * that the above copyright notice appear in all copies and that both that

     9  * copyright notice and this permission notice appear in supporting

    10  * documentation, and that the name of Network Computing Devices may not be

    11  * used in advertising or publicity pertaining to distribution of the software

    12  * without specific, written prior permission.  Network Computing Devices makes

    13  * no representations about the suitability of this software for any purpose.

    14  * It is provided ``as is'' without express or implied warranty.

    15  *

    16  * NETWORK COMPUTING DEVICES DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS

    17  * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,

    18  * IN NO EVENT SHALL NETWORK COMPUTING DEVICES BE LIABLE FOR ANY SPECIAL,

    19  * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM

    20  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE

    21  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR

    22  * PERFORMANCE OF THIS SOFTWARE.

    23  *

    24  * Author:  Jim Fulton

    25  *          Network Computing Devices, Inc.

    26  *

    27  * Simple if statement processor

    28  *

    29  * This module can be used to evaluate string representations of C language

    30  * if constructs.  It accepts the following grammar:

    31  *

    32  *     EXPRESSION	:=	VALUE

    33  * 			 |	VALUE  BINOP	EXPRESSION

    34  *			 |	VALUE	'?'	EXPRESSION ':'	EXPRESSION

    35  *

    36  *     VALUE		:=	'('  EXPRESSION  ')'

    37  * 			 |	'!'  VALUE

    38  * 			 |	'-'  VALUE

    39  *			 |	'~'  VALUE

    40  * 			 |	'defined'  '('  variable  ')'

    41  * 			 |	variable

    42  * 			 |	number

    43  *

    44  *     BINOP		:=	'*'	|  '/'	|  '%'

    45  * 			 |	'+'	|  '-'

    46  * 			 |	'<<'	|  '>>'

    47  * 			 |	'<'	|  '>'	|  '<='  |  '>='

    48  * 			 |	'=='	|  '!='

    49  * 			 |	'&'	|  '^'  |  '|'

    50  * 			 |	'&&'	|  '||'

    51  *

    52  * The normal C order of precedence is supported.

    53  *

    54  *

    55  * External Entry Points:

    56  *

    57  *     ParseIfExpression		parse a string for #if

    58  */

    60 /* $XFree86: xc/config/makedepend/ifparser.h,v 3.5 2001/07/25 15:04:40 dawes Exp $ */

    62 #include <stdio.h>

    64 typedef int Bool;

    65 #define False 0

    66 #define True 1

    68 typedef struct _if_parser {

    69     struct {				/* functions */

    70 	const char *(*handle_error) (struct _if_parser *, const char *,

    71 				     const char *);

    72 	long (*eval_variable) (struct _if_parser *, const char *, int);

    73 	int (*eval_defined) (struct _if_parser *, const char *, int);

    74     } funcs;

    75     char *data;

    76 } IfParser;

    78 const char *ParseIfExpression (

    79     IfParser *,

    80     const char *,

    81     long *

    82 );

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