[Oberon] FPGA - Oberon-0 program
andreas_pirklbauer at yahoo.com
Sun Oct 22 14:12:32 CEST 2017
> On Sun Oct 22 10:43:29 CEST 2017 Tomas Kral wrote:
> Yes, building `IO.Mod' resolved that. Actually, the error
> reported really was "Call error: TestOberon0 module not
> found", that confused me.
This is because there is a bug in procedure Modules.Load.
The global variable “Modules.importing" is not set correctly
in some case cases. For example if one attempts to activate
a non-existing command of an already loaded module, e.g. if
you click on the text “Oberon.None”, it will display the
error message “Call error: System command not found”.
This bug can be fixed by inserting a single line as the
(new) 4th last line of Modules.Load, as shown below:
PROCEDURE Load*(name: ARRAY OF CHAR; VAR newmod: Module);
body (*initialize module*)
ELSE error(0, name) (*<---inserted*)
newmod := mod
There are a few additional issues with Modules.Load
that I have fixed some time ago. But they have not
yet been published on the Oberon web page. If
interested, I can provide/publish the modified
version of “Modules" that fixes them all.
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