runtime(doc): add some error codes to `:help vim9class` (#13747)
Commit:
https://github.com/vim/vim/commit/1d4fcfe5515dbef15919dff6f2032a2ffaa9220f
Author: errael <[email protected]>
Date: Thu Dec 21 08:34:15 2023 -0800
runtime(doc): add some error codes to `:help vim9class`
(https://github.com/vim/vim/issues/13747)
Signed-off-by: Ernie Rael <[email protected]>
Signed-off-by: Christian Brabandt <[email protected]>
diff --git a/runtime/doc/tags b/runtime/doc/tags
index 5ac1db2cb..5c127b23b 100644
--- a/runtime/doc/tags
+++ b/runtime/doc/tags
@@ -4504,11 +4504,14 @@ E1400 vim9class.txt /*E1400*
E1401 vim9class.txt /*E1401*
E1402 vim9class.txt /*E1402*
E1403 vim9class.txt /*E1403*
+E1405 vim9class.txt /*E1405*
+E1406 vim9class.txt /*E1406*
E1407 vim9class.txt /*E1407*
E1408 vim9class.txt /*E1408*
E1409 vim9class.txt /*E1409*
E141 message.txt /*E141*
E1410 vim9class.txt /*E1410*
+E1411 vim9class.txt /*E1411*
E142 message.txt /*E142*
E143 autocmd.txt /*E143*
E144 various.txt /*E144*
diff --git a/runtime/doc/vim9class.txt b/runtime/doc/vim9class.txt
index 929597c70..c1ebce4af 100644
--- a/runtime/doc/vim9class.txt
+++ b/runtime/doc/vim9class.txt
@@ -103,17 +103,27 @@ below for how to do this more efficiently): >
You can create an object from this class with the new() method: >
var pos = TextPosition.new(1, 1)
-
+<
The object variables "lnum" and "col" can be accessed directly: >
echo $'The text position is ({pos.lnum}, {pos.col})'
< *E1317* *E1327*
-If you have been using other object-oriented languages you will notice that
-in Vim the object members are consistently referred to with the "this."
-prefix. This is different from languages like Java and TypeScript. The
-naming convention makes the object members easy to spot. Also, when a
-variable does not have the "this." prefix you know it is not an object
-variable.
+If you have been using other object-oriented languages you will notice that in
+Vim, within a class definition, the object members are consistently referred
+to with the "this." prefix. This is different from languages like Java and
+TypeScript. The naming convention makes the object members easy to spot.
+Also, when a variable does not have the "this." prefix you know it is not an
+object variable.
+ *E1411*
+From outside the class definition, access an object's methods and variables by
+using the object name followed by a dot following by the member: >
+
+ pos.lnum
+ pos.setCol(10)
+<
+ *E1405* *E1406*
+A class name cannot be used as an expression. A class name cannot be used in
+the left-hand-side of an assignment.
Object variable write access ~
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