Or condition in ifdef
WebJul 15, 2024 · $ifdef and $endif The simplest way to define a block of conditional code is like this: unit cross; {$IFDEF FPC} {$MODE DELPHI} {$ENDIF} The above example is quite common for source code that has to compile with both Delphi and FPC. WebAug 29, 2024 · The #ifdef and #endif are conditional directives, which will be discussed later on. 4. Defining things: #define directive In the previous example, we used the #define directive to create a constant, which determined whether to include a library or not.
Or condition in ifdef
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WebThe condition in an if statement is tested during the execution of your program. Its purpose is to allow your program to behave differently from run to run, depending on the data it is …
WebIf definition, in case that; granting or supposing that; on condition that: Sing if you want to. Stay indoors if it rains. I'll go if you do. See more. Webifndef Tests a name and executes subsequent statements if define has not created the name. elif Begins an alternative section to an ifdefor ifndefcondition and checks for the presence of another define. It is shorthand for “else if define ”. else Begins an alternative section to an ifdefor ifndefcondition. endif Closes an ifdefor ifndefcondition.
Web4.2.1 Ifdef The simplest sort of conditional is #ifdef MACROcontrolled text#endif /* MACRO*/ This block is called a conditional group. MACROis defined. We say that the … WebNov 9, 2024 · I want to write or of ifdef I have tried 2 possible ways as below : 1) `ifdef (A B) 2) `ifdef (A or B) 3) `ifdef A B 4) `ifdef A `ifdef B Can you please suggest how can I do oring of ifdef? Thanks in advance Regards Replies Order by: Newest Last Log In to Reply Solution dave_59 Forum Moderator 10650 posts November 12, 2013 at 7:52 am
WebJan 3, 2024 · Basically, you can write almost anything within the #if and #endif and as long the condition is false. It will not throw any compilation errors (even if there are any). The second and most important difference is, how IL is emitted in both these scenarios.
WebJul 31, 2024 · One can use `ifdef... `endif to check whether the macro is defined or not. Moreover, one can use an optional generate block to test the value of macro/parameters. ... You can remove the `else/else conditions as per your requirement. As a side note, `else is a compiler directive so it will not compile if MY_MACRO is defined. kpkrishna. Full ... income protection waiver of premiumWebIf the condition checked by #if, #ifdef, or #ifndefis true (nonzero), then all lines between the matching #else(or #elif) and an #endifdirective, if present, are ignored. If the condition is … income protection wesleyanWebJul 27, 2008 · Your situation is slightly unclear, but it seems that you expect a pre-processor directive to be guarded by a conditional generate statement. Pre-processor directives are resolved during the parsing of the design file, whereas conditional generates are resolved during elaboration. income protection waiting period explainedWebif ( (condition) AND (condition OR (condition))) The conditions inside the parenthesis are evaluated first and then the remaining condition is evaluated as in the other examples. Where there are nested parenthesis the innermost are evaluated as part of evaluating the condition that contains them. Existence Checks ¶ if (COMMAND command-name) income protection weekWebMar 2, 2024 · Explanation The conditional preprocessing block starts with #if, #ifdef or #ifndef directive, then optionally includes any number of #elif, #elifdef, or #elifndef (since … income protection videoWebThe ifdef form takes the name of a variable as its argument, not a reference to a variable. If the value of that variable has a non-empty value, the text-if-true is effective; otherwise, the … income protection westpacWebOct 24, 2011 · GNU & BSD Makefile Directives & Conditions Compatibility. Firstly, I would like to apologize if this is not the appropriate sub-forum to post about GNU/BSD makefile scripting. Though my code is in C++, because I am focusing on the makefile I thought it would go better in shell scripting. Please correct me if I am wrong. income protection vs workers compensation