Hi, On Sat, Nov 18, 2023 at 3:14 AM stefanos <vim-dev-git...@256bit.org> wrote:
> I'm fascinated by programming languages and I always find myself digging > deep in their internals to learn how each creator implements specific > language features they may find interesting. > > In case of Vim's scripting language, how do I read the source code to > familiarize myself with it? > For Vim9 script support, you can go through the following source files: https://github.com/vim/vim/blob/master/src/vim9compile.c https://github.com/vim/vim/blob/master/src/vim9expr.c https://github.com/vim/vim/blob/master/src/vim9execute.c https://github.com/vim/vim/blob/master/src/vim9instr.c https://github.com/vim/vim/blob/master/src/vim9script.c https://github.com/vim/vim/blob/master/src/vim9cmds.c https://github.com/vim/vim/blob/master/src/vim9class.c For Vim9 def function compilation, you can start with the compile_def_function() function. For Vim9 script execution, you can start with the exec_instructions() function. With the implementation of vim9script, I can see we have added "primitive" > types and class objects and I would like to see how they have improve the > whole performance and / or what type of bytecode or native code they > generate behind the scenes. > Only code in def functions are compiled and converted to bytecode. You can use the 'defcompile' and 'disassemble <def function name>' command to see the generated bytecode. Example: vim9script def Foo() var i = 10 i = i + 20 enddef defcompile disassemble Foo > Are there any plans to write in the near future anything like PHP's internals > book <https://www.phpinternalsbook.com/>? > > > There are currently no plans to write an internal book. Regards, Yegappan -- -- You received this message from the "vim_dev" maillist. Do not top-post! Type your reply below the text you are replying to. For more information, visit http://www.vim.org/maillist.php --- You received this message because you are subscribed to the Google Groups "vim_dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to vim_dev+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/vim_dev/CAAW7x7mf0hONqJiiNQ7RuYKztagsSC2kDQKeDmqGon0hyZ2z2w%40mail.gmail.com.
