@@ -20,6 +20,7 @@ (define-module (gnu packages tree-sitter)
#:use-module (guix gexp)
#:use-module ((guix licenses) #:prefix license:)
#:use-module (guix build-system cargo)
+ #:use-module (guix build-system emacs)
#:use-module (guix build-system gnu)
#:use-module (guix build-system node)
#:use-module (guix download)
@@ -845,3 +846,80 @@ (define-public tree-sitter-typescript
"This package provides Typescript and TSX grammars for the Tree-sitter
library.")
(license license:expat))))
+
+;; Local package definition solely for building the native emacs module
+;; written in Rust.
+(define tree-sitter-emacs-module
+ (package
+ (name "tree-sitter-emacs-module")
+ (version "0.18.0")
+ (source (origin
+ (method git-fetch)
+ (uri (git-reference
+ (url "https://github.com/emacs-tree-sitter/elisp-tree-sitter")
+ (commit version)))
+ (file-name (git-file-name name version))
+ (sha256
+ (base32
+ "1sdvz827v436qijs6xafakkfw2d16bvp8frymd818rppjc7a9dif"))))
+ (build-system cargo-build-system)
+ (inputs
+ (list tree-sitter))
+ (arguments
+ `(#:cargo-inputs
+ (("rust-anyhow" ,rust-anyhow-1)
+ ("rust-emacs" ,rust-emacs-0.18)
+ ("rust-libloading" ,rust-libloading-0.7)
+ ("rust-once-cell" ,rust-once-cell-1)
+ ("rust-tree-sitter" ,rust-tree-sitter-for-emacs))
+ #:phases
+ (modify-phases %standard-phases
+ (add-after 'unpack 'chdir
+ (lambda _ (chdir "core")))
+ (add-after 'chdir 'delete-cargo.lock
+ (lambda _ (delete-file "Cargo.lock")))
+ (add-after 'delete-cargo.lock 'do-not-fetch-from-github
+ (lambda _
+ (substitute* "Cargo.toml"
+ (("\\[patch.*") "")
+ (("git = .*") ""))))
+ (replace 'install
+ (lambda* (#:key outputs #:allow-other-keys)
+ (let ((lib (string-append (assoc-ref outputs "out") "/lib")))
+ (install-file "target/release/libtsc_dyn.so" lib)))))))
+ (home-page #f)
+ (synopsis #f)
+ (description #f)
+ (license license:expat)))
+
+(define-public emacs-tree-sitter-core
+ (package
+ (name "emacs-tree-sitter-core")
+ (version (package-version tree-sitter-emacs-module))
+ (source (package-source tree-sitter-emacs-module))
+ (build-system emacs-build-system)
+ (native-inputs
+ (list tree-sitter-emacs-module))
+ (arguments
+ `(#:phases
+ (modify-phases %standard-phases
+ (add-after 'unpack 'chdir
+ (lambda _ (chdir "core")))
+ (add-after 'install 'install-module
+ (lambda* (#:key inputs outputs #:allow-other-keys)
+ (let ((elpa (elpa-directory (assoc-ref outputs "out")))
+ (module (string-append (assoc-ref inputs "tree-sitter-emacs-module")
+ "/lib/libtsc_dyn.so")))
+ ;; Writing the version number in this file prevents the package
+ ;; from trying to download the module from the internet.
+ (call-with-output-file (string-append elpa "/DYN-VERSION")
+ (lambda (port) (display ,version port)))
+ (substitute* "tsc-dyn-get.el"
+ (("defcustom tsc-dyn-dir tsc--dir")
+ (string-append "defcustom tsc-dyn-dir \"" elpa "\"")))
+ (copy-file module (string-append elpa "/tsc-dyn.so"))))))))
+ (home-page "https://github.com/emacs-tree-sitter/elisp-tree-sitter")
+ (synopsis "Tree-sitter bindings for Emacs Lisp, core library")
+ (description "This package provides core APIs of the Emacs binding for
+Tree-sitter, an incremental parsing system.")
+ (license license:expat)))