Changes between Version 78 and Version 79 of IR2

Timestamp:

05/06/21 11:04:10 (5 years ago)

Author:

siegel

Comment:

--

IR2

@@ -242 +242 @@
 * Comparisons likes `==` and `<` return a `$bool` (not an int, like C)
 
+=== Allowed Casts ===
+
+* `$int` -> `$real`
+* `$float32` -> `$real`
+* `$float64` -> `$real`
+* `T1*` -> `T2*`.   How to check a cast is valid?  What happens if it is not?  If there are no exceptions, something must be returned.  Perhaps undefined value.
+  * this is OK if one is a pointer to element 0 of an array, and the other is a pointer to the array
+  * if one is a pointer to the first member of a struct or union, and the other is a pointer to the struct or union
+  * these rules can be applied recursively.  This needs to be fleshed out.
+* others?
+
 
 == Standard CIVL Library ==
 
 === `civlc.cvh` ===
+
+Work in progress.   Refer to existing library.
 
 {{{