1/*****************************************************************************/
2/* */
3/* test.h */
4/* */
5/* Test an expression and jump */
6/* */
7/* */
8/* */
9/* (C) 2004 Ullrich von Bassewitz */
10/* Roemerstrasse 52 */
11/* D-70794 Filderstadt */
12/* EMail: uz@cc65.org */
13/* */
14/* */
15/* This software is provided 'as-is', without any expressed or implied */
16/* warranty. In no event will the authors be held liable for any damages */
17/* arising from the use of this software. */
18/* */
19/* Permission is granted to anyone to use this software for any purpose, */
20/* including commercial applications, and to alter it and redistribute it */
21/* freely, subject to the following restrictions: */
22/* */
23/* 1. The origin of this software must not be misrepresented; you must not */
24/* claim that you wrote the original software. If you use this software */
25/* in a product, an acknowledgment in the product documentation would be */
26/* appreciated but is not required. */
27/* 2. Altered source versions must be plainly marked as such, and must not */
28/* be misrepresented as being the original software. */
29/* 3. This notice may not be removed or altered from any source */
30/* distribution. */
31/* */
32/*****************************************************************************/
33
34
35
36#ifndef TESTEXPR_H
37#define TESTEXPR_H
38
39
40
41/*****************************************************************************/
42/* Data */
43/*****************************************************************************/
44
45
46
47#define TESTEXPR_UNKNOWN 0 /* Result of expression unknown */
48#define TESTEXPR_TRUE 1 /* Expression yields true */
49#define TESTEXPR_FALSE 2 /* Expression yields false */
50
51
52
53/*****************************************************************************/
54/* Code */
55/*****************************************************************************/
56
57
58
59unsigned Test (unsigned Label, int Invert);
60/* Evaluate a boolean test expression and jump depending on the result of
61** the test and on Invert. The function returns one of the TESTEXPR_xx codes
62** defined above. If the jump is always true, a warning is output.
63*/
64
65unsigned TestInParens (unsigned Label, int Invert);
66/* Evaluate a boolean test expression in parenthesis and jump depending on
67** the result of the test * and on Invert. The function returns one of the
68** TESTEXPR_xx codes defined above. If the jump is always true, a warning is
69** output.
70*/
71
72
73
74/* End of testexpr.h */
75
76#endif
77