Recent changes to Preprocessor

Preprocessor modified by Marcel Schaible

Marcel Schaible — Wed, 29 Dec 2021 11:12:17 -0000

--- v3
+++ v4
@@ -1,6 +1,6 @@
 # Preprocessor

-The compilershould provide an included preprocessor like e.g. C preprocessor. It is inspired by the pseudo-preprocessor of RTOS-UH.
+The compiler should provide an included preprocessor like e.g. C preprocessor. It is inspired by the pseudo-preprocessor of RTOS-UH.

 ## Specification

Preprocessor modified by Marcel Schaible

Marcel Schaible — Tue, 21 Dec 2021 23:33:41 -0000

--- v2
+++ v3
@@ -1,6 +1,6 @@
 # Preprocessor

-The compiler provides an included preprocessor like e.g. C preprocessor. It is inspired by the pseudo-preprocessor of RTOS-UH.
+The compilershould provide an included preprocessor like e.g. C preprocessor. It is inspired by the pseudo-preprocessor of RTOS-UH.

 ## Specification

Preprocessor modified by Marcel Schaible

Marcel Schaible — Tue, 21 Dec 2021 23:27:29 -0000

--- v1
+++ v2
@@ -4,4 +4,45 @@

 ## Specification

+~~~
+#DEFINE <const> = <constexpr>;        Define a constant <const> with the value <constexpr>
+#INCLUDE <filename>;                  Include the source file <filename>
+#IF <constexpr>;                      Conditional compilation if <constexpr> = true
+#IFUDEF <constexpr>;                  Conditional compilation if <constexpr> = false
+#ELSE;                                Else 
+#FIN;                                 End of #IF or #IFUDEF
+#ERROR <message>                      Print <message> to the console and aborts compilation
+#WARN <message>                       Print <message> to the console and continues compilation
+~~~
+
+
+### #DEFINE
+
+### #INCLUDE
+
+### #IF
+
+### #IFUDEF
+
+### #ERROR
+
+### #WARN
+
+## Scope
+
 ## Example
+
+~~~
+#INCLUDE "definitions.prl";
+
+#DEFINE TEST = 1;
+#DEFINE MYCONST1 = 0;
+#DEFINE MYCONST2 = 42;
+
+
+#IF TEST = 1;
+DCL var FIXED(15) INIT(MYCONST1);
+#ELSE;
+DCL var FIXED(15) INIT(MYCONST2);
+#FIN;:
+~~~
</message></message></message></message></constexpr></constexpr></constexpr></constexpr></filename></filename></constexpr></const></constexpr></const>

Preprocessor modified by Marcel Schaible

Marcel Schaible — Tue, 21 Dec 2021 23:01:13 -0000

Preprocessor

The compiler provides an included preprocessor like e.g. C preprocessor. It is inspired by the pseudo-preprocessor of RTOS-UH.