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Diffstat (limited to 'configs/shared/emacs/.emacs.d/elpa/cider-20180719.542/cider-client.el')
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diff --git a/configs/shared/emacs/.emacs.d/elpa/cider-20180719.542/cider-client.el b/configs/shared/emacs/.emacs.d/elpa/cider-20180719.542/cider-client.el new file mode 100644 index 0000000000..038fba2fcf --- /dev/null +++ b/configs/shared/emacs/.emacs.d/elpa/cider-20180719.542/cider-client.el @@ -0,0 +1,577 @@ +;;; cider-client.el --- A layer of abstraction above low-level nREPL client code. -*- lexical-binding: t -*- + +;; Copyright © 2013-2018 Bozhidar Batsov +;; +;; Author: Bozhidar Batsov <bozhidar@batsov.com> + +;; This program is free software: you can redistribute it and/or modify +;; it under the terms of the GNU General Public License as published by +;; the Free Software Foundation, either version 3 of the License, or +;; (at your option) any later version. + +;; This program is distributed in the hope that it will be useful, +;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;; GNU General Public License for more details. + +;; You should have received a copy of the GNU General Public License +;; along with this program. If not, see <http://www.gnu.org/licenses/>. + +;; This file is not part of GNU Emacs. + +;;; Commentary: + +;; A layer of abstraction above the low-level nREPL client code. + +;;; Code: + +(require 'spinner) +(require 'nrepl-client) +(require 'cider-connection) +(require 'cider-common) +(require 'cider-util) +(require 'clojure-mode) + +(require 'subr-x) +(require 'cider-compat) +(require 'seq) + + +;;; Eval spinner +(defcustom cider-eval-spinner-type 'progress-bar + "Appearance of the evaluation spinner. + +Value is a symbol. The possible values are the symbols in the +`spinner-types' variable." + :type 'symbol + :group 'cider + :package-version '(cider . "0.10.0")) + +(defcustom cider-show-eval-spinner t + "When true, show the evaluation spinner in the mode line." + :type 'boolean + :group 'cider + :package-version '(cider . "0.10.0")) + +(defcustom cider-eval-spinner-delay 1 + "Amount of time, in seconds, after which the evaluation spinner will be shown." + :type 'integer + :group 'cider + :package-version '(cider . "0.10.0")) + +(defun cider-spinner-start (buffer) + "Start the evaluation spinner in BUFFER. +Do nothing if `cider-show-eval-spinner' is nil." + (when cider-show-eval-spinner + (with-current-buffer buffer + (spinner-start cider-eval-spinner-type nil + cider-eval-spinner-delay)))) + +(defun cider-eval-spinner-handler (eval-buffer original-callback) + "Return a response handler to stop the spinner and call ORIGINAL-CALLBACK. +EVAL-BUFFER is the buffer where the spinner was started." + (lambda (response) + ;; buffer still exists and + ;; we've got status "done" from nrepl + ;; stop the spinner + (when (and (buffer-live-p eval-buffer) + (let ((status (nrepl-dict-get response "status"))) + (or (member "done" status) + (member "eval-error" status) + (member "error" status)))) + (with-current-buffer eval-buffer + (when spinner-current (spinner-stop)))) + (funcall original-callback response))) + + +;;; Evaluation helpers +(defun cider-ns-form-p (form) + "Check if FORM is an ns form." + (string-match-p "^[[:space:]]*\(ns\\([[:space:]]*$\\|[[:space:]]+\\)" form)) + +(defun cider-ns-from-form (ns-form) + "Get ns substring from NS-FORM." + (when (string-match "^[ \t\n]*\(ns[ \t\n]+\\([^][ \t\n(){}]+\\)" ns-form) + (match-string-no-properties 1 ns-form))) + +(defvar-local cider-buffer-ns nil + "Current Clojure namespace of some buffer. +Useful for special buffers (e.g. REPL, doc buffers) that have to keep track +of a namespace. This should never be set in Clojure buffers, as there the +namespace should be extracted from the buffer's ns form.") + +(defun cider-current-ns (&optional no-default) + "Return the current ns. +The ns is extracted from the ns form for Clojure buffers and from +`cider-buffer-ns' for all other buffers. If it's missing, use the current +REPL's ns, otherwise fall back to \"user\". When NO-DEFAULT is non-nil, it +will return nil instead of \"user\"." + (or cider-buffer-ns + (clojure-find-ns) + (when-let* ((repl (cider-current-repl))) + (buffer-local-value 'cider-buffer-ns repl)) + (if no-default nil "user"))) + +(defun cider-expected-ns (&optional path) + "Return the namespace string matching PATH, or nil if not found. +PATH is expected to be an absolute file path. If PATH is nil, use the path +to the file backing the current buffer. The command falls back to +`clojure-expected-ns' in the absence of an active nREPL connection." + (if (cider-connected-p) + (let* ((path (or path (file-truename (buffer-file-name)))) + (relpath (thread-last (cider-sync-request:classpath) + (seq-map + (lambda (cp) + (when (string-prefix-p cp path) + (substring path (length cp))))) + (seq-filter #'identity) + (seq-sort (lambda (a b) + (< (length a) (length b)))) + (car)))) + (if relpath + (thread-last (substring relpath 1) ; remove leading / + (file-name-sans-extension) + (replace-regexp-in-string "/" ".") + (replace-regexp-in-string "_" "-")) + (clojure-expected-ns path))) + (clojure-expected-ns path))) + +(defun cider-nrepl-op-supported-p (op &optional connection) + "Check whether the CONNECTION supports the nREPL middleware OP." + (nrepl-op-supported-p op (or connection (cider-current-repl)))) + +(defvar cider-version) +(defun cider-ensure-op-supported (op) + "Check for support of middleware op OP. +Signal an error if it is not supported." + (unless (cider-nrepl-op-supported-p op) + (user-error "`%s' requires the nREPL op \"%s\". Please, install (or update) cider-nrepl %s and restart CIDER" this-command op (upcase cider-version)))) + +(defun cider-nrepl-send-request (request callback &optional connection) + "Send REQUEST and register response handler CALLBACK. +REQUEST is a pair list of the form (\"op\" \"operation\" \"par1-name\" + \"par1\" ... ). +If CONNECTION is provided dispatch to that connection instead of +the current connection. Return the id of the sent message." + (nrepl-send-request request callback (or connection (cider-current-repl)))) + +(defun cider-nrepl-send-sync-request (request &optional connection abort-on-input) + "Send REQUEST to the nREPL server synchronously using CONNECTION. +Hold till final \"done\" message has arrived and join all response messages +of the same \"op\" that came along and return the accumulated response. +If ABORT-ON-INPUT is non-nil, the function will return nil +at the first sign of user input, so as not to hang the +interface." + (nrepl-send-sync-request request + (or connection (cider-current-repl)) + abort-on-input)) + +(defun cider-nrepl-send-unhandled-request (request &optional connection) + "Send REQUEST to the nREPL CONNECTION and ignore any responses. +Immediately mark the REQUEST as done. Return the id of the sent message." + (let* ((conn (or connection (cider-current-repl))) + (id (nrepl-send-request request #'ignore conn))) + (with-current-buffer conn + (nrepl--mark-id-completed id)) + id)) + +(defun cider-nrepl-request:eval (input callback &optional ns line column additional-params connection) + "Send the request INPUT and register the CALLBACK as the response handler. +If NS is non-nil, include it in the request. LINE and COLUMN, if non-nil, +define the position of INPUT in its buffer. ADDITIONAL-PARAMS is a plist +to be appended to the request message. CONNECTION is the connection +buffer, defaults to (cider-current-repl)." + (let ((connection (or connection (cider-current-repl)))) + (nrepl-request:eval input + (if cider-show-eval-spinner + (cider-eval-spinner-handler connection callback) + callback) + connection + ns line column additional-params) + (cider-spinner-start connection))) + +(defun cider-nrepl-sync-request:eval (input &optional connection ns) + "Send the INPUT to the nREPL CONNECTION synchronously. +If NS is non-nil, include it in the eval request." + (nrepl-sync-request:eval input (or connection (cider-current-repl)) ns)) + +(defcustom cider-pprint-fn 'pprint + "Sets the function to use when pretty-printing evaluation results. + +The value must be one of the following symbols: + +`pprint' - to use \\=`clojure.pprint/pprint\\=` + +`fipp' - to use the Fast Idiomatic Pretty Printer, approximately 5-10x +faster than \\=`clojure.core/pprint\\=` (this is the default) + +`puget' - to use Puget, which provides canonical serialization of data on +top of fipp, but at a slight performance cost + +Alternatively, can be the namespace-qualified name of a Clojure function of +one argument. If the function cannot be resolved, an exception will be +thrown. + +The function is assumed to respect the contract of \\=`clojure.pprint/pprint\\=` +with respect to the bound values of \\=`*print-length*\\=`, \\=`*print-level*\\=`, +\\=`*print-meta*\\=`, and \\=`clojure.pprint/*print-right-margin*\\=`." + :type '(choice (const pprint) + (const fipp) + (const puget) + string) + :group 'cider + :package-version '(cider . "0.11.0")) + +(defun cider--pprint-fn () + "Return the value to send in the pprint-fn slot of messages." + (pcase cider-pprint-fn + (`pprint "clojure.pprint/pprint") + (`fipp "cider.nrepl.middleware.pprint/fipp-pprint") + (`puget "cider.nrepl.middleware.pprint/puget-pprint") + (_ cider-pprint-fn))) + +(defun cider--nrepl-pprint-request-plist (right-margin &optional pprint-fn) + "Plist to be appended to an eval request to make it use pprint. +PPRINT-FN is the name of the Clojure function to use. +RIGHT-MARGIN specifies the maximum column-width of the pretty-printed +result, and is included in the request if non-nil." + (nconc `("pprint" "true" + "pprint-fn" ,(or pprint-fn (cider--pprint-fn))) + (and right-margin `("print-right-margin" ,right-margin)))) + +(defun cider--nrepl-content-type-plist () + "Plist to be appended to an eval request to make it use content-types." + '("content-type" "true")) + +(defun cider-tooling-eval (input callback &optional ns connection) + "Send the request INPUT to CONNECTION and register the CALLBACK. +NS specifies the namespace in which to evaluate the request. Requests +evaluated in the tooling nREPL session don't affect the thread-local +bindings of the primary eval nREPL session (e.g. this is not going to +clobber *1/2/3)." + ;; namespace forms are always evaluated in the "user" namespace + (nrepl-request:eval input + callback + (or connection (cider-current-repl)) + ns nil nil nil 'tooling)) + +(defun cider-sync-tooling-eval (input &optional ns connection) + "Send the request INPUT to CONNECTION and evaluate in synchronously. +NS specifies the namespace in which to evaluate the request. Requests +evaluated in the tooling nREPL session don't affect the thread-local +bindings of the primary eval nREPL session (e.g. this is not going to +clobber *1/2/3)." + ;; namespace forms are always evaluated in the "user" namespace + (nrepl-sync-request:eval input + (or connection (cider-current-repl)) + ns + 'tooling)) + +;; TODO: Add some unit tests and pretty those two functions up. +;; FIXME: Currently that's broken for group-id with multiple segments (e.g. org.clojure/clojure) +(defun cider-classpath-libs () + "Return a list of all libs on the classpath." + (let ((libs (seq-filter (lambda (cp-entry) + (string-suffix-p ".jar" cp-entry)) + (cider-sync-request:classpath))) + (dir-sep (if (string-equal system-type "windows-nt") "\\\\" "/"))) + (thread-last libs + (seq-map (lambda (s) (split-string s dir-sep))) + (seq-map #'reverse) + (seq-map (lambda (l) (reverse (seq-take l 4))))))) + +(defun cider-library-present-p (lib) + "Check whether LIB is present on the classpath. +The library is a string of the format \"group-id/artifact-id\"." + (let* ((lib (split-string lib "/")) + (group-id (car lib)) + (artifact-id (cadr lib))) + (seq-find (lambda (lib) + (let ((g (car lib)) + (a (cadr lib))) + (and (equal group-id g) (equal artifact-id a)))) + (cider-classpath-libs)))) + + +;;; Interrupt evaluation + +(defun cider-interrupt-handler (buffer) + "Create an interrupt response handler for BUFFER." + (nrepl-make-response-handler buffer nil nil nil nil)) + +(defun cider-interrupt () + "Interrupt any pending evaluations." + (interactive) + ;; FIXME: does this work correctly in cljc files? + (with-current-buffer (cider-current-repl) + (let ((pending-request-ids (cider-util--hash-keys nrepl-pending-requests))) + (dolist (request-id pending-request-ids) + (nrepl-request:interrupt + request-id + (cider-interrupt-handler (current-buffer)) + (cider-current-repl)))))) + +(defun cider-nrepl-eval-session () + "Return the eval nREPL session id of the current connection." + (with-current-buffer (cider-current-repl) + nrepl-session)) + +(defun cider-nrepl-tooling-session () + "Return the tooling nREPL session id of the current connection." + (with-current-buffer (cider-current-repl) + nrepl-tooling-session)) + +(defun cider--var-choice (var-info) + "Prompt to choose from among multiple VAR-INFO candidates, if required. +This is needed only when the symbol queried is an unqualified host platform +method, and multiple classes have a so-named member. If VAR-INFO does not +contain a `candidates' key, it is returned as is." + (let ((candidates (nrepl-dict-get var-info "candidates"))) + (if candidates + (let* ((classes (nrepl-dict-keys candidates)) + (choice (completing-read "Member in class: " classes nil t)) + (info (nrepl-dict-get candidates choice))) + info) + var-info))) + +(defun cider-var-info (var &optional all) + "Return VAR's info as an alist with list cdrs. +When multiple matching vars are returned you'll be prompted to select one, +unless ALL is truthy." + (when (and var (not (string= var ""))) + (let ((var-info (cider-sync-request:info var))) + (if all var-info (cider--var-choice var-info))))) + +(defun cider-member-info (class member) + "Return the CLASS MEMBER's info as an alist with list cdrs." + (when (and class member) + (cider-sync-request:info nil class member))) + + +;;; Requests + +(declare-function cider-load-file-handler "cider-eval") +(defun cider-request:load-file (file-contents file-path file-name &optional connection callback) + "Perform the nREPL \"load-file\" op. +FILE-CONTENTS, FILE-PATH and FILE-NAME are details of the file to be +loaded. If CONNECTION is nil, use `cider-current-repl'. If CALLBACK +is nil, use `cider-load-file-handler'." + (cider-nrepl-send-request `("op" "load-file" + "file" ,file-contents + "file-path" ,file-path + "file-name" ,file-name) + (or callback + (cider-load-file-handler (current-buffer))) + connection)) + + +;;; Sync Requests + +(defcustom cider-filtered-namespaces-regexps + '("^cider.nrepl" "^refactor-nrepl" "^clojure.tools.nrepl") + "List of regexps used to filter out some vars/symbols/namespaces. +When nil, nothing is filtered out. Otherwise, all namespaces matching any +regexp from this list are dropped out of the \"ns-list\" op. Also, +\"apropos\" won't include vars from such namespaces. This list is passed +on to the nREPL middleware without any pre-processing. So the regexps have +to be in Clojure format (with twice the number of backslashes) and not +Emacs Lisp." + :type '(repeat string) + :safe #'listp + :group 'cider + :package-version '(cider . "0.13.0")) + +(defun cider-sync-request:apropos (query &optional search-ns docs-p privates-p case-sensitive-p) + "Send \"apropos\" request for regexp QUERY. + +Optional arguments include SEARCH-NS, DOCS-P, PRIVATES-P, CASE-SENSITIVE-P." + (let* ((query (replace-regexp-in-string "[ \t]+" ".+" query)) + (response (cider-nrepl-send-sync-request + `("op" "apropos" + "ns" ,(cider-current-ns) + "query" ,query + ,@(when search-ns `("search-ns" ,search-ns)) + ,@(when docs-p '("docs?" "t")) + ,@(when privates-p '("privates?" "t")) + ,@(when case-sensitive-p '("case-sensitive?" "t")) + "filter-regexps" ,cider-filtered-namespaces-regexps)))) + (if (member "apropos-regexp-error" (nrepl-dict-get response "status")) + (user-error "Invalid regexp: %s" (nrepl-dict-get response "error-msg")) + (nrepl-dict-get response "apropos-matches")))) + +(defun cider-sync-request:classpath () + "Return a list of classpath entries." + (cider-ensure-op-supported "classpath") + (thread-first '("op" "classpath") + (cider-nrepl-send-sync-request) + (nrepl-dict-get "classpath"))) + +(defun cider-sync-request:complete (str context) + "Return a list of completions for STR using nREPL's \"complete\" op. +CONTEXT represents a completion context for compliment." + (when-let* ((dict (thread-first `("op" "complete" + "ns" ,(cider-current-ns) + "symbol" ,str + "context" ,context) + (cider-nrepl-send-sync-request nil 'abort-on-input)))) + (nrepl-dict-get dict "completions"))) + +(defun cider-sync-request:complete-flush-caches () + "Send \"complete-flush-caches\" op to flush Compliment's caches." + (cider-nrepl-send-sync-request (list "op" "complete-flush-caches" + "session" (cider-nrepl-eval-session)) + 'abort-on-input)) + +(defun cider-sync-request:info (symbol &optional class member) + "Send \"info\" op with parameters SYMBOL or CLASS and MEMBER." + (let ((var-info (thread-first `("op" "info" + "ns" ,(cider-current-ns) + ,@(when symbol `("symbol" ,symbol)) + ,@(when class `("class" ,class)) + ,@(when member `("member" ,member))) + (cider-nrepl-send-sync-request)))) + (if (member "no-info" (nrepl-dict-get var-info "status")) + nil + var-info))) + +(defun cider-sync-request:eldoc (symbol &optional class member) + "Send \"eldoc\" op with parameters SYMBOL or CLASS and MEMBER." + (when-let* ((eldoc (thread-first `("op" "eldoc" + "ns" ,(cider-current-ns) + ,@(when symbol `("symbol" ,symbol)) + ,@(when class `("class" ,class)) + ,@(when member `("member" ,member))) + (cider-nrepl-send-sync-request nil 'abort-on-input)))) + (if (member "no-eldoc" (nrepl-dict-get eldoc "status")) + nil + eldoc))) + +(defun cider-sync-request:eldoc-datomic-query (symbol) + "Send \"eldoc-datomic-query\" op with parameter SYMBOL." + (when-let* ((eldoc (thread-first `("op" "eldoc-datomic-query" + "ns" ,(cider-current-ns) + ,@(when symbol `("symbol" ,symbol))) + (cider-nrepl-send-sync-request nil 'abort-on-input)))) + (if (member "no-eldoc" (nrepl-dict-get eldoc "status")) + nil + eldoc))) + +(defun cider-sync-request:spec-list (&optional filter-regex) + "Get a list of the available specs in the registry. +Optional argument FILTER-REGEX filters specs. By default, all specs are +returned." + (setq filter-regex (or filter-regex "")) + (thread-first `("op" "spec-list" + "filter-regex" ,filter-regex) + (cider-nrepl-send-sync-request) + (nrepl-dict-get "spec-list"))) + +(defun cider-sync-request:spec-form (spec) + "Get SPEC's form from registry." + (thread-first `("op" "spec-form" + "spec-name" ,spec) + (cider-nrepl-send-sync-request) + (nrepl-dict-get "spec-form"))) + +(defun cider-sync-request:spec-example (spec) + "Get an example for SPEC." + (thread-first `("op" "spec-example" + "spec-name" ,spec) + (cider-nrepl-send-sync-request) + (nrepl-dict-get "spec-example"))) + +(defun cider-sync-request:ns-list () + "Get a list of the available namespaces." + (thread-first `("op" "ns-list" + "filter-regexps" ,cider-filtered-namespaces-regexps) + (cider-nrepl-send-sync-request) + (nrepl-dict-get "ns-list"))) + +(defun cider-sync-request:ns-vars (ns) + "Get a list of the vars in NS." + (thread-first `("op" "ns-vars" + "ns" ,ns) + (cider-nrepl-send-sync-request) + (nrepl-dict-get "ns-vars"))) + +(defun cider-sync-request:ns-path (ns) + "Get the path to the file containing NS." + (thread-first `("op" "ns-path" + "ns" ,ns) + (cider-nrepl-send-sync-request) + (nrepl-dict-get "path"))) + +(defun cider-sync-request:ns-vars-with-meta (ns) + "Get a map of the vars in NS to its metadata information." + (thread-first `("op" "ns-vars-with-meta" + "ns" ,ns) + (cider-nrepl-send-sync-request) + (nrepl-dict-get "ns-vars-with-meta"))) + +(defun cider-sync-request:ns-load-all () + "Load all project namespaces." + (thread-first '("op" "ns-load-all") + (cider-nrepl-send-sync-request) + (nrepl-dict-get "loaded-ns"))) + +(defun cider-sync-request:resource (name) + "Perform nREPL \"resource\" op with resource name NAME." + (thread-first `("op" "resource" + "name" ,name) + (cider-nrepl-send-sync-request) + (nrepl-dict-get "resource-path"))) + +(defun cider-sync-request:resources-list () + "Return a list of all resources on the classpath. +The result entries are relative to the classpath." + (when-let* ((resources (thread-first '("op" "resources-list") + (cider-nrepl-send-sync-request) + (nrepl-dict-get "resources-list")))) + (seq-map (lambda (resource) (nrepl-dict-get resource "relpath")) resources))) + +(defun cider-sync-request:format-code (code) + "Perform nREPL \"format-code\" op with CODE." + (thread-first `("op" "format-code" + "code" ,code) + (cider-nrepl-send-sync-request) + (nrepl-dict-get "formatted-code"))) + +(defun cider-sync-request:format-edn (edn right-margin) + "Perform \"format-edn\" op with EDN and RIGHT-MARGIN." + (let* ((response (thread-first `("op" "format-edn" + "edn" ,edn) + (append (cider--nrepl-pprint-request-plist right-margin)) + (cider-nrepl-send-sync-request))) + (err (nrepl-dict-get response "err"))) + (when err + ;; err will be a stacktrace with a first line that looks like: + ;; "clojure.lang.ExceptionInfo: Unmatched delimiter ]" + (error (car (split-string err "\n")))) + (nrepl-dict-get response "formatted-edn"))) + +;;; Dealing with input +;; TODO: Replace this with some nil handler. +(defun cider-stdin-handler (&optional _buffer) + "Make a stdin response handler for _BUFFER." + (nrepl-make-response-handler (current-buffer) + (lambda (_buffer _value)) + (lambda (_buffer _out)) + (lambda (_buffer _err)) + nil)) + +(defun cider-need-input (buffer) + "Handle an need-input request from BUFFER." + (with-current-buffer buffer + (let ((map (make-sparse-keymap))) + (set-keymap-parent map minibuffer-local-map) + (define-key map (kbd "C-c C-c") 'abort-recursive-edit) + (let ((stdin (condition-case nil + (concat (read-from-minibuffer "Stdin: " nil map) "\n") + (quit nil)))) + (nrepl-request:stdin stdin + (cider-stdin-handler buffer) + (cider-current-repl)))))) + +(provide 'cider-client) + +;;; cider-client.el ends here |