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Intel corner
#If Target...
Conditional compiling
Issue: 5.3 (March/April 2007)
Author: Christian Schmitz
Article Description: No description available.
Article Length (in bytes): 6,981
Starting Page Number: 44
RBD Number: 5317
Resource File(s): None
Related Link(s): None
Known Limitations: None
Excerpt of article text...
Conditional compiling
Sometimes you have a project which is compiled for more than one platform. But for one of those platforms you want to use special code. Now you can actually keep parts of your code invisible for the compiler if you use #if commands. The compiler will only see what you want it to see and compile.
Let's say you have the following code:
if DebugBuild then
MsgBox "Debug Mode"
else
MsgBox "Compiled application."
end if
The constant DebugBuild is true for your application if you run it inside the IDE. It is false when you build the application. If you compile the code above, the compiler will read the code and place it inside the application. Now compare this to the following code with conditional compiling:
#if DebugBuild then
MsgBox "Debug Mode"
#else
MsgBox "Compiled application."
#endif
In this code you see the difference that there are # before the commands so the compiler knows it is conditional compiling. Note the difference in the "#endif" compared to a normal "end if". The is just one word.
...End of Excerpt. Please purchase the magazine to read the full article.
Article copyrighted by REALbasic Developer magazine. All rights reserved.
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