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;;; phpinspect-class.el --- PHP parsing module -*- lexical-binding: t; -*-
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;; Copyright (C) 2021 Free Software Foundation, Inc
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;; Author: Hugo Thunnissen <devel@hugot.nl>
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;; Keywords: php, languages, tools, convenience
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;; Version: 0
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;;; Code:
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(require 'phpinspect-type)
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(cl-defstruct (phpinspect--class (:constructor phpinspect--make-class-generated))
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(project nil
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:type phpinspect-project
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:documentaton
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"The project that this class belongs to")
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(index nil
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:type phpinspect--indexed-class
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:documentation
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"The index that this class is derived from")
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(methods (make-hash-table :test 'eq :size 20 :rehash-size 20)
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:type hash-table
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:documentation
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"All methods, including those from extended classes.")
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(static-methods (make-hash-table :test 'eq :size 20 :rehash-size 20)
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:type hash-table
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:documentation
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"All static methods this class provides,
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including those from extended classes.")
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(variables nil
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:type list
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:documentation
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"Variables that belong to this class.")
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(extended-classes (make-hash-table :test 'eq)
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:type hash-table
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:documentation
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"All extended/implemented classes.")
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(subscriptions nil
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:type list
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:documentation
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"A list of subscription functions that should be
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called whenever anything about this class is
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updated")
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(initial-index nil
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:type bool
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:documentation
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"A boolean indicating whether or not this class
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has been indexed yet."))
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(cl-defmethod phpinspect--class-trigger-update ((class phpinspect--class))
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(dolist (sub (phpinspect--class-subscriptions class))
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(funcall sub class)))
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(cl-defmethod phpinspect--class-set-index ((class phpinspect--class)
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(index (head phpinspect--indexed-class)))
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(setf (phpinspect--class-initial-index class) t)
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(setf (phpinspect--class-index class) index)
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(dolist (method (alist-get 'methods index))
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(phpinspect--class-update-method class method))
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(dolist (method (alist-get 'static-methods index))
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(phpinspect--class-update-static-method class method))
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(setf (phpinspect--class-variables class)
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(append (alist-get 'variables index)
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(alist-get 'constants index)
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(alist-get 'static-variables index)))
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(setf (phpinspect--class-extended-classes class)
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(seq-filter
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#'phpinspect--class-p
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(mapcar
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(lambda (class-name)
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(phpinspect-project-get-class-create (phpinspect--class-project class)
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class-name))
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`(,@(alist-get 'implements index) ,@(alist-get 'extends index)))))
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(dolist (extended (phpinspect--class-extended-classes class))
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(phpinspect--class-incorporate class extended)
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(phpinspect--class-subscribe class extended))
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(phpinspect--class-trigger-update class))
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(cl-defmethod phpinspect--class-get-method ((class phpinspect--class) (method-name symbol))
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(gethash method-name (phpinspect--class-methods class)))
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(cl-defmethod phpinspect--class-get-static-method ((class phpinspect--class) (method-name symbol))
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(gethash method-name (phpinspect--class-static-methods class)))
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(cl-defmethod phpinspect--class-get-variable
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((class phpinspect--class) (variable-name string))
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(catch 'found
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(dolist (variable (phpinspect--class-variables class))
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(when (string= variable-name (phpinspect--variable-name variable))
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(throw 'found variable)))))
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(cl-defmethod phpinspect--class-get-variables ((class phpinspect--class))
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(seq-filter #'phpinspect--variable-vanilla-p (phpinspect--class-variables class)))
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(cl-defmethod phpinspect--class-get-static-variables ((class phpinspect--class))
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(seq-filter #'phpinspect--variable-static-p (phpinspect--class-variables class)))
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(cl-defmethod phpinspect--class-get-constants ((class phpinspect--class))
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(seq-filter #'phpinspect--variable-const-p (phpinspect--class-variables class)))
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(cl-defmethod phpinspect--add-method-copy-to-map
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((map hash-table)
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(class-name phpinspect--type)
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(method phpinspect--function))
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(setq method (phpinspect--copy-function method))
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(setf (phpinspect--function-return-type method)
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(phpinspect--resolve-late-static-binding
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(phpinspect--function-return-type method)
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class-name))
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(puthash (phpinspect--function-name-symbol method)
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method
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map))
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(cl-defmethod phpinspect--class-set-method ((class phpinspect--class)
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(method phpinspect--function))
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(phpinspect--log "Adding method by name %s to class"
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(phpinspect--function-name method))
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(phpinspect--add-method-copy-to-map
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(phpinspect--class-methods class)
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(alist-get 'class-name (phpinspect--class-index class))
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method))
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(cl-defmethod phpinspect--class-set-static-method ((class phpinspect--class)
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(method phpinspect--function))
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(phpinspect--add-method-copy-to-map
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(phpinspect--class-static-methods class)
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(alist-get 'class-name (phpinspect--class-index class))
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method))
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(cl-defmethod phpinspect--class-get-method-return-type
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((class phpinspect--class) (method-name symbol))
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(let ((method (phpinspect--class-get-method class method-name)))
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(when method
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(phpinspect--function-return-type method))))
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(cl-defmethod phpinspect--class-get-static-method-return-type
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((class phpinspect--class) (method-name symbol))
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(let ((method (phpinspect--class-get-static-method class method-name)))
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(when method
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(phpinspect--function-return-type method))))
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(cl-defmethod phpinspect--class-get-method-list ((class phpinspect--class))
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(hash-table-values (phpinspect--class-methods class)))
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(cl-defmethod phpinspect--class-get-static-method-list ((class phpinspect--class))
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(hash-table-values (phpinspect--class-static-methods class)))
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(cl-defmethod phpinspect--merge-method ((class-name phpinspect--type)
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(existing phpinspect--function)
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(method phpinspect--function))
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(let ((new-return-type (phpinspect--resolve-late-static-binding
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(phpinspect--function-return-type method)
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class-name)))
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(unless (phpinspect--type= new-return-type phpinspect--null-type)
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(phpinspect--log "method return type %s" (phpinspect--function-return-type method))
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(setf (phpinspect--function-return-type existing)
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new-return-type))
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(setf (phpinspect--function-arguments existing)
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(phpinspect--function-arguments method)))
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existing)
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(cl-defmethod phpinspect--class-update-static-method ((class phpinspect--class)
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(method phpinspect--function))
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(let ((existing (gethash (phpinspect--function-name-symbol method)
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(phpinspect--class-static-methods class))))
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(if existing
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(phpinspect--merge-method
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(alist-get 'class-name (phpinspect--class-index class))
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existing method)
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(phpinspect--class-set-static-method class method))))
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(cl-defmethod phpinspect--class-update-method ((class phpinspect--class)
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(method phpinspect--function))
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(let* ((existing (gethash (phpinspect--function-name-symbol method)
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(phpinspect--class-methods class))))
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(if existing
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(phpinspect--merge-method
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(alist-get 'class-name (phpinspect--class-index class))
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existing method)
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(phpinspect--class-set-method class method))))
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(cl-defmethod phpinspect--class-incorporate ((class phpinspect--class)
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(other-class phpinspect--class))
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(dolist (method (phpinspect--class-get-method-list other-class))
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(phpinspect--class-update-method class method))
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(dolist (method (phpinspect--class-get-static-method-list other-class))
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(phpinspect--class-update-static-method class method)))
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(cl-defmethod phpinspect--class-subscribe ((class phpinspect--class)
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(subscription-class phpinspect--class))
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(let ((update-function
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(lambda (new-class)
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(phpinspect--class-incorporate class new-class)
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(phpinspect--class-trigger-update class))))
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(push update-function (phpinspect--class-subscriptions subscription-class))))
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(provide 'phpinspect-class)
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;;; phpinspect-class.el ends here
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