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emacs/code/elpa/lsp-mode-20240319.1043/lsp-terraform.el

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2024-03-20 13:57:39 +00:00
;;; lsp-terraform.el --- Terraform Client settings -*- lexical-binding: t; -*-
;; Copyright (C) 2019 Ross Donaldson, Sibi Prabakaran
;; Author: Ross Donaldson, Sibi Prabakaran
;; Keywords: terraform lsp
;; 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 <https://www.gnu.org/licenses/>.
;;; Commentary:
;; LSP client for Terraform
;;; Code:
(require 'lsp-mode)
(require 'lsp-semantic-tokens)
(require 'lsp-protocol)
(require 'dash)
;; terraform-lsp
(defgroup lsp-terraform nil
"LSP support for Terraform, using terraform-lsp."
:group 'lsp-mode
:link '(url-link "https://github.com/juliosueiras/terraform-lsp")
:package-version `(lsp-mode . "6.2"))
(defcustom lsp-terraform-server "terraform-lsp"
"Path to the `terraform-lsp' binary."
:group 'lsp-terraform
:risky t
:type '(choice
(file :tag "File")
(repeat string))
:package-version `(lsp-mode . "6.2"))
(defcustom lsp-terraform-enable-logging nil
"If non-nil, enable `terraform-ls''s native logging."
:group 'lsp-terraform
:risky t
:type 'boolean
:package-version `(lsp-mode . "6.2"))
(defun lsp-terraform--make-launch-cmd ()
(-let [base (if (stringp lsp-terraform-server)
`(,lsp-terraform-server)
lsp-terraform-server)]
(when lsp-terraform-enable-logging
(push "-enable-log-file" base))
base))
(lsp-register-client
(make-lsp-client :new-connection (lsp-stdio-connection #'lsp-terraform--make-launch-cmd)
:major-modes '(terraform-mode)
:priority -1
:server-id 'tfls))
;; terraform-ls
(defgroup lsp-terraform-ls nil
"LSP support for Terraform, using terraform-ls from Hashicorp."
:group 'lsp-mode
:link '(url-link "https://github.com/hashicorp/terraform-ls")
:package-version `(lsp-mode . "8.0.1"))
(defcustom lsp-terraform-ls-server "terraform-ls"
"Path to the `terraform-ls' binary."
:group 'lsp-terraform-ls
:risky t
:type '(choice
(file :tag "File")
(repeat string))
:package-version `(lsp-mode . "8.0.1"))
(defcustom lsp-terraform-ls-enable-show-reference nil
"Enable reference counts.
Display reference counts above top level blocks and
attributes. This is an experimental feature provided by the
language server."
:group 'lsp-terraform-ls
:type 'boolean
:package-version '(lsp-mode . "8.0.1"))
(defcustom lsp-terraform-ls-validate-on-save nil
"Enable validating the current open file on save.
This is an experimental feature provided by the language server."
:group 'lsp-terraform-ls
:type 'boolean
:package-version '(lsp-mode . "8.0.1"))
(defcustom lsp-terraform-ls-prefill-required-fields nil
"Enable completion of required fields.
Enable autocompletion for required fields when completing
Terraform blocks. This is an experimental feature provided by the
language server."
:group 'lsp-terraform-ls
:type 'boolean
:package-version '(lsp-mode . "8.0.1"))
(defcustom lsp-terraform-ls-providers-position-params nil
"The optional providers tree position params.
Defaults to side following treemacs default."
:type 'alist
:group 'lsp-terraform-ls
:package-version '(lsp-mode . "8.0.1"))
(defcustom lsp-terraform-ls-module-calls-position-params nil
"The optional module calls tree position params.
Defaults to side following treemacs default."
:type 'alist
:group 'lsp-terraform-ls
:package-version '(lsp-mode . "8.0.1"))
(defun lsp-terraform-ls--make-launch-cmd ()
`(,lsp-terraform-ls-server "serve"))
(lsp-defun lsp-terraform-ls--show-references ((&Command :arguments?))
"Show references for command with ARGS."
(lsp-show-xrefs
(lsp--locations-to-xref-items
(lsp-request "textDocument/references"
(lsp--make-reference-params
(lsp--text-document-position-params nil (elt arguments? 0)))))
t
t))
(defun lsp-terraform-ls--custom-capabilities ()
"Construct custom capabilities for the language server."
(when lsp-terraform-ls-enable-show-reference
'((experimental . ((showReferencesCommandId . "client.showReferences"))))))
(defun lsp-terraform-ls--init-options ()
"Construct initialization options for the lanague server."
`((experimentalFeatures . ((validateOnSave . ,(lsp-json-bool lsp-terraform-ls-validate-on-save))
(prefillRequiredFields . ,(lsp-json-bool lsp-terraform-ls-prefill-required-fields))))))
(defcustom lsp-terraform-semantic-token-faces
'(("namespace" . lsp-face-semhl-namespace)
("type" . lsp-face-semhl-type)
("class" . lsp-face-semhl-class)
("enum" . lsp-face-semhl-enum)
("interface" . lsp-face-semhl-interface)
("struct" . lsp-face-semhl-struct)
("typeParameter" . lsp-face-semhl-type-parameter)
("parameter" . lsp-face-semhl-parameter)
("variable" . lsp-face-semhl-variable)
("property" . lsp-face-semhl-property)
("enumMember" . lsp-face-semhl-constant)
("event" . lsp-face-semhl-event)
("function" . lsp-face-semhl-function)
("method" . lsp-face-semhl-method)
("macro" . lsp-face-semhl-macro)
("keyword" . lsp-face-semhl-keyword)
("modifier" . lsp-face-semhl-member)
("comment" . lsp-face-semhl-comment)
("string" . lsp-face-semhl-string)
("number" . lsp-face-semhl-number)
("regexp" . lsp-face-semhl-regexp)
("operator" . lsp-face-semhl-operator)
("hcl-attrName" . lsp-face-semhl-member)
("hcl-blockType" . lsp-face-semhl-struct)
("hcl-blockLabel" . lsp-face-semhl-member)
("hcl-bool" . lsp-face-semhl-constant)
("hcl-string" . lsp-face-semhl-string)
("hcl-number" . lsp-face-semhl-number)
("hcl-objectKey" . lsp-face-semhl-member)
("hcl-mapKey" . lsp-face-semhl-member)
("hcl-keyword" . lsp-face-semhl-keyword)
("hcl-traversalStep" . lsp-face-semhl-member)
("hcl-typeCapsule" . lsp-face-semhl-type)
("hcl-typePrimitive" . lsp-face-semhl-type))
"Mapping between terrafom-ls tokens and fonts to apply."
:group 'lsp-terraform
:type '(alist :key-type string :value-type face)
:package-version '(lsp-mode . "8.1"))
(defcustom lsp-terraform-semantic-token-modifier-faces
'(("declaration" . lsp-face-semhl-class)
("definition" . lsp-face-semhl-definition)
("readonly" . lsp-face-semhl-constant)
("static" . lsp-face-semhl-static)
("deprecated" . lsp-face-semhl-deprecated)
("abstract" . lsp-face-semhl-keyword)
("async" . lsp-face-semhl-macro)
("modification" . lsp-face-semhl-operator)
("documentation" . lsp-face-semhl-comment)
("defaultLibrary" . lsp-face-semhl-default-library)
("hcl-dependent" . lsp-face-semhl-constant)
("terraform-data" . lsp-face-semhl-constant)
("terraform-locals" . lsp-face-semhl-variable)
("terraform-module" . lsp-face-semhl-namespace)
("terraform-output" . lsp-face-semhl-constant)
("terraform-provider" . lsp-face-semhl-class)
("terraform-resource" . lsp-face-semhl-interface)
("terraform-provisioner" . lsp-face-semhl-default-library)
("terraform-connection" . lsp-face-semhl-constant)
("terraform-variable" . lsp-face-semhl-variable)
("terraform-terraform" . lsp-face-semhl-constant)
("terraform-backend" . lsp-face-semhl-definition)
("terraform-name" . lsp-face-semhl-interface)
("terraform-type" . lsp-face-semhl-type)
("terraform-requiredProviders" . lsp-face-semhl-default-library))
"Mapping between terraform-ls modifiers and fonts to apply."
:group 'lsp-terraform
:type '(alist :key-type string :value-type face)
:package-version '(lsp-mode . "8.1"))
(lsp-register-client
(make-lsp-client :new-connection (lsp-stdio-connection #'lsp-terraform-ls--make-launch-cmd)
:major-modes '(terraform-mode)
:priority 1
:server-id 'tfmls
:action-handlers (ht ("client.showReferences" #'lsp-terraform-ls--show-references))
:semantic-tokens-faces-overrides `(:discard-default-modifiers t
:discard-default-types t
:modifiers ,lsp-terraform-semantic-token-modifier-faces
:types ,lsp-terraform-semantic-token-faces)
:initialization-options (lsp-terraform-ls--init-options)
:custom-capabilities (lsp-terraform-ls--custom-capabilities)))
(defun lsp-terraform-ls-validate ()
"Execute terraform validate on project root."
(interactive)
(lsp-request
"workspace/executeCommand"
(list :command "terraform-ls.terraform.validate"
:arguments (vector (format "uri=%s" (lsp--path-to-uri (lsp-workspace-root))))
)
:no-wait t
:no-merge t))
(defun lsp-terraform-ls-init ()
"Execute terraform init on project root.
This is a synchronous action."
(interactive)
(lsp-request
"workspace/executeCommand"
(list :command "terraform-ls.terraform.init"
:arguments (vector (format "uri=%s" (lsp--path-to-uri (lsp-workspace-root)))))
:no-wait nil
:no-merge t))
(defun lsp-terraform-ls-version ()
"Get information about the terraform binary version for the current module."
(interactive)
(let ((terraform-data (lsp-request
"workspace/executeCommand"
(list :command "terraform-ls.module.terraform"
:arguments (vector (format "uri=%s" (lsp--path-to-uri (lsp-workspace-root))))))))
(lsp--info "Required: %s, Current: %s"
(lsp:terraform-ls-module-terraform-required-version terraform-data)
(lsp:terraform-ls-module-terraform-discovered-version terraform-data))))
(lsp-consistency-check lsp-terraform)
(defvar treemacs-position)
(defvar treemacs-width)
(declare-function lsp-treemacs-render "ext:lsp-treemacs" (tree title expand-depth &optional buffer-name))
(defvar-local lsp-terraform-ls--providers-tree-data nil)
(defvar-local lsp-terraform-ls--modules-call-tree-data nil)
(defvar-local lsp-tf--modules-control-buffer nil)
(defconst lsp-terraform-ls--providers-buffer-name "*Terraform Providers*")
(defconst lsp-terraform-ls--modules-buffer-name "*Terraform Modules*")
(defvar lsp-terraform-modules-mode-map
(let ((m (make-sparse-keymap)))
(define-key m (kbd "g") 'lsp-terraform-ls--modules-refresh)
m)
"Keymap for `lsp-terraform-modules-mode'.")
(define-minor-mode lsp-terraform-modules-mode "LSP Treemacs mode for terraform modules."
:keymap lsp-terraform-modules-mode-map
:group 'lsp-terraform-ls)
(cl-defstruct tf-package display-name doc-link installed-version version-constraint)
(cl-defstruct tf-module name doc-link version source-type dependent-modules)
(defun construct-tf-package (provider installed-version)
"Construct `TF-PACKAGE' using PROVIDER and INSTALLED-VERSION."
(make-tf-package :display-name (lsp-get provider :display_name)
:doc-link (lsp-get provider :docs_link)
:installed-version installed-version
:version-constraint (lsp-get provider :version_constraint)))
(lsp-defun construct-tf-module ((&terraform-ls:Module :name :docs-link :version :source-type :dependent-modules))
"Construct `TF-MODULE' using MODULE."
(make-tf-module :name name
:doc-link docs-link
:version version
:source-type source-type
:dependent-modules dependent-modules))
(lsp-defun lsp-terraform-ls--providers-to-tf-package ((&terraform-ls:Providers :provider-requirements :installed-providers))
"Convert PROVIDERS-TREE-DATA to list of `tf-package'."
(let* ((provider-requirements-keys (hash-table-keys provider-requirements))
(installed-versions (mapcar (lambda (x) (lsp-get installed-providers (make-symbol (format ":%s" x)))) provider-requirements-keys))
(providers (mapcar (lambda (x) (lsp-get provider-requirements (make-symbol (format ":%s" x)))) provider-requirements-keys))
(tf-packages (-zip-with (lambda (x y) (construct-tf-package x y)) providers installed-versions)))
tf-packages))
(lsp-defun lsp-terraform-ls--modules-to-tf-module ((&terraform-ls:ModuleCalls :module-calls))
"Convert MODULES-TREE-DATA to list of `TF-MODULE'."
(let* ((modules (-map (lambda (x) (construct-tf-module x)) module-calls)))
modules))
(defun lsp-terraform-ls--fetch-modules-data (project-root)
"Fetch modules data and set it in `lsp-terraform-ls--modules-call-tree-data'."
(let* ((tree-data (lsp-request
"workspace/executeCommand"
(list :command "terraform-ls.module.calls"
:arguments (vector (format "uri=%s" (lsp--path-to-uri project-root))))
:no-wait nil
:no-merge nil))
(modules (lsp-terraform-ls--modules-to-tf-module tree-data)))
(setq-local lsp-terraform-ls--modules-call-tree-data modules)))
(defun lsp-terraform-ls--fetch-providers ()
"Fetch modules call data and set it in `lsp-terraform-ls--providers-tree-data'."
(let* ((tree-data (lsp-request
"workspace/executeCommand"
(list :command "terraform-ls.module.providers"
:arguments (vector (format "uri=%s" (lsp--path-to-uri (lsp-workspace-root)))))
:no-wait nil
:no-merge nil))
(tf-packages (lsp-terraform-ls--providers-to-tf-package tree-data)))
(setq-local lsp-terraform-ls--providers-tree-data tf-packages)))
(defun lsp-terraform-ls--tf-packages-to-treemacs (tf-packages)
"Convert list of `TF-PACKAGES' to treemacs compatible data."
(mapcar (lambda (package) (list :label (format "%s %s" (tf-package-display-name package) (tf-package-installed-version package))
:icon 'package
:key (tf-package-display-name package)
:children (list (list
:icon 'library
:label (tf-package-version-constraint package)))
:ret-action (lambda (&rest _) (browse-url (tf-package-doc-link package))))) tf-packages))
(defun lsp-terraform-ls--tf-modules-to-treemacs (tf-modules)
"Convert list of `TF-MODULES' to treemacs compatible data."
(mapcar (lambda (module) (list :label (format "%s %s" (tf-module-name module) (tf-module-version module))
:icon 'package
:key (tf-module-name module)
:ret-action (lambda (&rest _) (browse-url (tf-module-doc-link module)))
)) tf-modules))
(defun lsp-terraform-ls--show-providers (ignore-focus?)
"Show terraform providers and focus on it if IGNORE-FOCUS? is nil."
(unless lsp-terraform-ls--providers-tree-data
(lsp-terraform-ls--fetch-providers))
(let* ((lsp-terraform-treemacs
(lsp-terraform-ls--tf-packages-to-treemacs lsp-terraform-ls--providers-tree-data))
(buffer (lsp-treemacs-render lsp-terraform-treemacs
lsp-terraform-ls--providers-buffer-name
t
"Terraform Providers"))
(position-params (or lsp-terraform-ls-providers-position-params
`((side . ,treemacs-position)
(slot . 2)
(window-width . ,treemacs-width))))
(window
(display-buffer-in-side-window buffer position-params)))
(unless ignore-focus?
(select-window window)
(set-window-dedicated-p window t))))
(defun lsp-terraform-ls--show-module-calls (ignore-focus? project-root)
"Show terraform modules and focus on it if IGNORE-FOCUS? is nil."
(unless lsp-terraform-ls--modules-call-tree-data
(lsp-terraform-ls--fetch-modules-data project-root))
(unless lsp-terraform-ls--modules-call-tree-data
(error "Modules data is empty"))
(let* ((lsp-terraform-treemacs
(lsp-terraform-ls--tf-modules-to-treemacs lsp-terraform-ls--modules-call-tree-data))
(buffer (lsp-treemacs-render lsp-terraform-treemacs
lsp-terraform-ls--modules-buffer-name
t
"Terraform Modules"))
(modules-buffer (current-buffer))
(position-params (or lsp-terraform-ls-module-calls-position-params
`((side . ,treemacs-position)
(slot . 1)
(window-width . ,treemacs-width))))
(window
(display-buffer-in-side-window buffer position-params)))
(select-window window)
(setq-local lsp-tf--modules-control-buffer modules-buffer)
(lsp-terraform-modules-mode t)
(set-window-dedicated-p window t)
(when ignore-focus?
(select-window (previous-window)))))
(defun lsp-terraform-ls--refresh-module-calls ()
"Refresh terraform modules."
(lsp-terraform-ls--fetch-modules-data (lsp-workspace-root))
(unless lsp-terraform-ls--modules-call-tree-data
(error "Modules data is empty"))
(let* ((lsp-terraform-treemacs
(lsp-terraform-ls--tf-modules-to-treemacs lsp-terraform-ls--modules-call-tree-data))
(buffer (lsp-treemacs-render lsp-terraform-treemacs
lsp-terraform-ls--modules-buffer-name
t
"Terraform Modules"))
(position-params (or lsp-terraform-ls-module-calls-position-params
`((side . ,treemacs-position)
(slot . 1)
(window-width . ,treemacs-width))))
(window
(display-buffer-in-side-window buffer position-params)))
(select-window window)
(lsp-terraform-modules-mode t)
(set-window-dedicated-p window t)
(lsp--info "Refresh completed")))
(defun lsp-terraform-ls-providers (&optional ignore-focus?)
"Show terraform providers with focus on it if IGNORE-FOCUS? is nil."
(interactive)
(if (require 'lsp-treemacs nil t)
(lsp-terraform-ls--show-providers ignore-focus?)
(error "The package lsp-treemacs is not installed")))
(defun lsp-terraform-ls-module-calls (&optional ignore-focus?)
"Show terraform modules with focus on it if IGNORE-FOCUS? is nil."
(interactive)
(if (require 'lsp-treemacs nil t)
(lsp-terraform-ls--show-module-calls ignore-focus? (lsp-workspace-root))
(error "The package lsp-treemacs is not installed")))
(defun lsp-terraform-ls--modules-refresh ()
"Refresh terraform modules data."
(interactive)
(unless (buffer-live-p lsp-tf--modules-control-buffer)
(error "Original buffer not present. Do M-x lsp-terraform-ls-module-calls"))
(with-current-buffer lsp-tf--modules-control-buffer
(lsp-terraform-ls--refresh-module-calls)))
(provide 'lsp-terraform)
;;; lsp-terraform.el ends here