54 lines
2.1 KiB
EmacsLisp
54 lines
2.1 KiB
EmacsLisp
;;; tools/lsp/config.el -*- lexical-binding: t; -*-
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(defvar +lsp-defer-shutdown 3
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"If non-nil, defer shutdown of LSP servers for this many seconds after last
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workspace buffer is closed.
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This delay prevents premature server shutdown when a user still intends on
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working on that project after closing the last buffer, or when programmatically
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killing and opening many LSP/eglot-powered buffers.")
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;;
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;;; Common
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(defvar +lsp--default-read-process-output-max nil)
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(defvar +lsp--default-gcmh-high-cons-threshold nil)
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(defvar +lsp--optimization-init-p nil)
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(define-minor-mode +lsp-optimization-mode
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"Deploys universal GC and IPC optimizations for `lsp-mode' and `eglot'."
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:global t
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:init-value nil
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(if (not +lsp-optimization-mode)
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(setq-default read-process-output-max +lsp--default-read-process-output-max
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gcmh-high-cons-threshold +lsp--default-gcmh-high-cons-threshold
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+lsp--optimization-init-p nil)
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;; Only apply these settings once!
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(unless +lsp--optimization-init-p
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(setq +lsp--default-read-process-output-max
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;; DEPRECATED Remove check when 26 support is dropped
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(if (boundp 'read-process-output-max)
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(default-value 'read-process-output-max))
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+lsp--default-gcmh-high-cons-threshold
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(default-value 'gcmh-high-cons-threshold))
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;; `read-process-output-max' is only available on recent development
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;; builds of Emacs 27 and above.
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(setq-default read-process-output-max (* 1024 1024))
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;; REVIEW LSP causes a lot of allocations, with or without Emacs 27+'s
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;; native JSON library, so we up the GC threshold to stave off
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;; GC-induced slowdowns/freezes. Doom uses `gcmh' to enforce its
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;; GC strategy, so we modify its variables rather than
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;; `gc-cons-threshold' directly.
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(setq-default gcmh-high-cons-threshold (* 2 +lsp--default-gcmh-high-cons-threshold))
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(gcmh-set-high-threshold)
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(setq +lsp--optimization-init-p t))))
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;;
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;;; Implementations
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(if (featurep! +eglot)
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(load! "+eglot")
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(load! "+lsp"))
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