Channels ▼
RSS

An Exception or a Bug?


HexWeb HTML

Listing 1: Embedded systems-friendly assertions

1: #ifndef qassert_h

2: #define qassert_h

3:

4: /** NASSERT macro disables all contract validations

5: * (assertions, preconditions, postconditions, and invariants).

6: */

7: #ifdef NASSERT /* NASSERT defined--DbC disabled */

8:

9: #define DEFINE_THIS_FILE

10: #define ASSERT(ignore_) ((void)0)

11: #define ALLEGE(test_) ((void)(test_))

12:

13: #else /* NASSERT not defined--DbC enabled */

14:

15: #ifdef __cplusplus

16: extern "C" {

17: #endif

18: /* callback invoked in case of assertion failure */

19: void onAssert__(char const *file, unsigned line);

20:

21: #ifdef __cplusplus

22: }

23: #endif

24:

25: #define DEFINE_THIS_FILE \

26: static char const THIS_FILE__[] = __FILE__

27:

28: #define ASSERT(test_) \

29: ((test_) ? (void)0 : onAssert__(THIS_FILE__, __LINE__))

30:

31: #define ALLEGE(test_) ASSERT(test_)

32:

33: #endif /* NASSERT */

34:

35: #define REQUIRE(test_) ASSERT(test_)

36: #define ENSURE(test_) ASSERT(test_)

37: #define INVARIANT(test_) ASSERT(test_)

38:

39: #endif /* qassert_h */


Related Reading


More Insights






Currently we allow the following HTML tags in comments:

Single tags

These tags can be used alone and don't need an ending tag.

<br> Defines a single line break

<hr> Defines a horizontal line

Matching tags

These require an ending tag - e.g. <i>italic text</i>

<a> Defines an anchor

<b> Defines bold text

<big> Defines big text

<blockquote> Defines a long quotation

<caption> Defines a table caption

<cite> Defines a citation

<code> Defines computer code text

<em> Defines emphasized text

<fieldset> Defines a border around elements in a form

<h1> This is heading 1

<h2> This is heading 2

<h3> This is heading 3

<h4> This is heading 4

<h5> This is heading 5

<h6> This is heading 6

<i> Defines italic text

<p> Defines a paragraph

<pre> Defines preformatted text

<q> Defines a short quotation

<samp> Defines sample computer code text

<small> Defines small text

<span> Defines a section in a document

<s> Defines strikethrough text

<strike> Defines strikethrough text

<strong> Defines strong text

<sub> Defines subscripted text

<sup> Defines superscripted text

<u> Defines underlined text

Dr. Dobb's encourages readers to engage in spirited, healthy debate, including taking us to task. However, Dr. Dobb's moderates all comments posted to our site, and reserves the right to modify or remove any content that it determines to be derogatory, offensive, inflammatory, vulgar, irrelevant/off-topic, racist or obvious marketing or spam. Dr. Dobb's further reserves the right to disable the profile of any commenter participating in said activities.

 
Disqus Tips To upload an avatar photo, first complete your Disqus profile. | View the list of supported HTML tags you can use to style comments. | Please read our commenting policy.
 

Video