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patch 8.2.4603: sourcing buffer lines is too complicated

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Problem:    Sourcing buffer lines is too complicated.
Solution:   Simplify the code. Make it possible to source Vim9 script lines.
            (Yegappan Lakshmanan, closes #9974)
This commit is contained in:
Yegappan Lakshmanan
2022-03-21 19:45:17 +00:00
committed by Bram Moolenaar
parent 397a87ac1c
commit 85b43c6cb7
7 changed files with 417 additions and 286 deletions
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16
runtime/doc/repeat.txt
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@ -201,7 +201,13 @@ For writing a Vim script, see chapter 41 of the user manual |usr_41.txt|.
:[range]so[urce] Read Ex commands from the [range] of lines in the
current buffer. When sourcing commands from the
current buffer, the same script-ID |<SID>| is used
even if the buffer is sourced multiple times.
even if the buffer is sourced multiple times. If a
buffer is sourced more than once, then the functions
in the buffer are redefined again.
Sourcing a buffer with a Vim9 script more than once
works like |vim9-reload|.
To source a script in the Vim9 context, the |:vim9cmd|
modifier can be used.
*:source!*
:so[urce]! {file} Read Vim commands from {file}. These are commands
@ -425,10 +431,10 @@ An alternative is to put the commands in a file, and execute them with the
':source!' command. Useful for long command sequences. Can be combined with
the ':map' command to put complicated commands under a function key.
The ':source' command reads Ex commands from a file line by line. You will
have to type any needed keyboard input. The ':source!' command reads from a
script file character by character, interpreting each character as if you
typed it.
The ':source' command reads Ex commands from a file or a buffer line by line.
You will have to type any needed keyboard input. The ':source!' command reads
from a script file character by character, interpreting each character as if
you typed it.
Example: When you give the ":!ls" command you get the |hit-enter| prompt. If
you ':source' a file with the line "!ls" in it, you will have to type the