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Cake day: October 23rd, 2023

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  • (defun go-func-name-at-point ()

    (interactive)

    (save-excursion

    (end-of-line)

    (beginning-of-defun)

    (when (re-search-forward “^func[[:space:]]+\\([[:alnum:]_]+\\)” nil t)

    (match-string 1))))

    (setq treesit-go-tests-query

    (treesit-query-compile

    'go

    '((function_declaration

    name: (identifier) u/testname

    parameters: (parameter_list :anchor (parameter_declaration type: (pointer_type) u/type :anchor))

    (:match “*testing.\\(T\\|M\\)” u/type) (:match “^Test.+$” u/testname)) u/parent)))

    (defun vmacs-query-go-test-nodes ()

    (when (treesit-ready-p 'go)

    (treesit-query-capture (treesit-buffer-root-node) treesit-go-tests-query)))

    (defvar vmacs-go-tests-hist nil)

    (defun vmacs-completing-read-go-tests ()

    (let* ((test-matches (vmacs-query-go-test-nodes))

    (test-name-matches (cl-remove-if-not (lambda (match) (eq (car match) 'testname)) test-matches))

    (test-names (mapcar (lambda (match) (treesit-node-text (cdr match))) test-name-matches)))

    (completing-read “Test:” test-names nil t nil vmacs-go-tests-hist (go-func-name-at-point))))

    (defun vmacs-dape–select-go-args ()

    (if (string-suffix-p “_test.go” (buffer-name))

    (when-let* ((test-name (vmacs-completing-read-go-tests))

    (test-regexp (concat “^” test-name “$”)))

    (if test-name

    `[“-test.run” ,test-regexp]

    (error “No test selected”)))

    (if current-prefix-arg

    (vconcat (split-string (read-shell-command "args: " nil

    (if (equal (car compile-history) “”)

    '(compile-history . 1)

    'compile-history))))

    [])))

    ;; https://github.com/go-delve/delve/blob/master/Documentation/usage/dlv_dap.md

    (defun vmacs-dape-test-p ()

    (if (string-suffix-p “_test.go” (buffer-name))

    “test” “debug”))

    (defun vmacs-dape-relative-dir ()

    “Return the file directory relative to dape’s cwd. This is used by Delve debugger.”

    (if (string-suffix-p “_test.go” (buffer-name))

    (concat “./” (file-relative-name

    default-directory (funcall dape-cwd-fn)))

    (funcall dape-cwd-fn)))

    ;; inside your dape-config

    (add-to-list 'dape-configs

    `(delve

    modes (go-mode go-ts-mode)

    command “dlv”

    command-cwd dape-cwd-fn

    command-args (“dap” “–listen” “127.0.0.1:55878”)

    host “127.0.0.1

    port 55878

    :type “go”

    :name “go-debug”

    :request “launch”

    :mode vmacs-dape-test-p

    :cwd dape-cwd-fn

    :program vmacs-dape-relative-dir

    :args vmacs-dape–select-go-args))