I wrote:
> Patch 9.0.0632
> Problem: Calling a function from an "expr" option has too much overhead.
> Solution: Add call_simple_func() and use it for 'foldexpr'
> Files: runtime/doc/fold.txt, runtime/doc/vim9.txt, src/userfunc.c,
> src/proto/userfunc.pro, src/eval.c, src/vim9execute.c,
> src/testdir/test_fold.vim
I looked into compiling an "expr" option into instructions to make it
fast, but setting up the context, checking arguments, sandbox, etc. all
makes this quite complicated.
So I thought of this simple solution of calling a function directly.
This at least skips quite a few function calls (about twelve levels
deep) without changing how things work.
If this works well we can use it for several other options.
Let us know.
--
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/// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net \\\
/// \\\
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