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- ;;!emacs
- ;;
- ;; FILE: br-java-ft.el
- ;; SUMMARY: Java OO-Browser class and member functions.
- ;; USAGE: GNU Emacs Lisp Library
- ;; KEYWORDS: java, oop, tools
- ;;
- ;; AUTHOR: Bob Weiner
- ;; ORG: Motorola Inc.
- ;;
- ;; ORIG-DATE: 01-Aug-95
- ;; LAST-MOD: 26-Aug-95 at 15:18:27 by Bob Weiner
- ;;
- ;; Copyright (C) 1995 Free Software Foundation, Inc.
- ;; See the file BR-COPY for license information.
- ;;
- ;; This file is part of the OO-Browser.
- ;;
- ;; DESCRIPTION:
- ;; DESCRIP-END.
-
- ;;; ************************************************************************
- ;;; Other required Elisp libraries
- ;;; ************************************************************************
-
- (mapcar 'require '(br-c-ft br-java))
-
- ;;; ************************************************************************
- ;;; Public variables
- ;;; ************************************************************************
-
- (defvar java-cpp-include-dirs '("/usr/include/")
- "*Ordered list of include directories by default searched by C preprocessor.
- Each directory must end with a directory separator. See also
- 'java-include-dirs'.")
-
- (defvar java-include-dirs nil
- "*Ordered list of directories to search for java include files.
- Each directory must end with a directory separator. Directories normally
- searched by the java pre-processor should be set instead in
- 'java-cpp-include-dirs'.")
-
- (defconst java-return-type-identifier
- (concat "\\([\[a-zA-Z]"
- "\\|[\[a-zA-Z][]" java-return-type-chars "]*"
- "[]" java-return-type-chars "]+\\)"
- "[ \t\n\^M]*"))
-
- (defconst java-type-identifier
- (concat "\\([\[a-zA-Z][]" java-identifier-chars "]*[ \t\n\^M]+\\)"))
-
- (defconst java-type-tag-separator "@"
- "String that separates a tag's type from its normalized definition form.
- This should be a single character which is unchanged when quoted for use as a
- literal in a regular expression.")
-
- (defconst java-tag-fields-regexp
- ;; The \\\\? below is necessary because we sometimes use this expression to
- ;; test against a string that has been regexp-quoted and some of the
- ;; characters in br-feature-type-regexp will then be preceded by \\.
- (format "\\`\\([^%s \n]+\\)%s\\\\?\\(%s \\)\\([^%s\n]+\\)%s"
- java-type-tag-separator java-type-tag-separator
- br-feature-type-regexp java-type-tag-separator
- java-type-tag-separator)
- "Regexp matching the fields of a java feature tag line.
- Group 1 is the class of the feature. Group 2 is the prefix preceding the
- feature when displayed within a listing buffer. Group 3 is the feature name.
- The feature definition signature begins at the end of the regexp match,
- i.e. (match-end 0), and goes to the end of the string or line.")
-
- ;;; ************************************************************************
- ;;; Public functions
- ;;; ************************************************************************
-
- (defun java-member-p ()
- "Prints whether entity at point is a java member definition or declaration."
- (interactive)
- (let ((name))
- (save-excursion
- (message
- (concat
- "Is " (if (java-feature-def-p)
- (progn (setq name
- (buffer-substring (match-beginning
- java-feature-name-grpn)
- (match-end
- java-feature-name-grpn)))
- "")
- "not ")
- "a def. "
- "Is " (if (and (java-skip-to-statement) (java-feature-decl))
- (progn (setq name
- (buffer-substring (match-beginning
- java-feature-name-grpn)
- (match-end
- java-feature-name-grpn)))
- "")
- "not ")
- "a member decl. "
- (if name (concat " Name = " name)))))))
-
- (defun java-feature-implementors (name)
- "Return unsorted list of java feature tags which implement feature NAME.
- This includes classes which declare abstract functions with NAME."
- (java-feature-matches (concat "^" (regexp-quote name) "$")))
-
- (defun java-feature-locate-p (feature-tag &optional regexp-flag)
- "Leaves point at the start of FEATURE-TAG's definition in the current buffer.
- Assumes caller has moved point to the beginning of the buffer or to the point
- of desired search start.
- Optional REGEXP-FLAG means FEATURE-TAG is a regular expression."
- ;; Match to function definitions, not declarations, except for abstract
- ;; methods which are declared, not defined, and so end with a ';'.
- ;;
- ;; First move to the proper class implementation if feature-tag does not
- ;; include a <class>:: part and this is not a [default-class], so that if
- ;; two classes in the same file have the same feature signature, we still
- ;; end up at the right one.
- (if (string-match java-tag-fields-regexp feature-tag)
- (let ((class (substring feature-tag (match-beginning 1) (match-end 1))))
- (setq feature-tag (substring feature-tag (match-end 0)))
- (if regexp-flag
- (if (not (string-match "\\`\\\\\\[\\|::" feature-tag))
- (re-search-forward (java-class-definition-regexp class t)
- nil t))
- (if (not (string-match "\\`\\[\\|::" feature-tag))
- (re-search-forward (java-class-definition-regexp class)
- nil t)))))
- ;; Now look for feature expression.
- (let ((found) (start))
- (or regexp-flag (setq feature-tag
- (java-feature-signature-to-regexp feature-tag)))
- (while (and (re-search-forward feature-tag nil t)
- (setq start (match-beginning 0))
- (not (setq found (not
- (if (c-within-comment-p)
- (progn (search-forward "*/" nil t)
- t)))))))
- (if found
- (progn (goto-char start)
- (skip-chars-forward " \t\n")
- (java-to-comments-begin)
- (recenter 0)
- (goto-char start)
- t))))
-
- (defun java-feature-name-to-regexp (name)
- "Converts routine NAME into a regular expression matching the routine's name tag."
- (setq name (java-feature-signature-to-regexp name))
- (aset name (1- (length name)) ?\() ;; Match only to functions
- name)
-
- (defun java-feature-signature-to-name (signature &optional with-class for-display)
- "Extracts the feature name from SIGNATURE.
- The feature's class name is dropped from signature unless optional WITH-CLASS
- is non-nil. If optional FOR-DISPLAY is non-nil, a feature type character is
- prepended to the name for display in a browser listing."
- (let ((name))
- (cond
- ;; member
- ((string-match java-tag-fields-regexp signature)
- (setq name (substring signature (match-beginning (if for-display 2 3))
- (match-end 3)))
- (if with-class
- (setq name (concat
- (substring signature (match-beginning 1) (match-end 1))
- "." name)))
- ;; Remove any trailing whitespace.
- (br-delete-space name))
- ;;
- ;; unknown
- (t ;; Remove any trailing whitespace and add display prefix.
- (setq name (br-delete-space signature))
- (if for-display (java-feature-add-prefix name "" signature) name)))))
-
- (defun java-feature-signature-to-regexp (signature)
- "Given a java SIGNATURE, return regexp used to match to its definition."
- (setq signature (regexp-quote signature))
- (let ((prefix-info
- (if (string-match java-tag-fields-regexp signature)
- (prog1 (substring signature (match-beginning 0) (match-end 0))
- (setq signature (substring signature (match-end 0)))))))
- (let ((pat) (i 0) (c) (len (length signature)))
- (while (< i len)
- (setq c (aref signature i)
- pat (cond ((= c ? )
- ;; Allow for possible single line comment
- ;; following any whitespace, e.g. following
- ;; each routine argument.
- (concat pat "[ \t\n\^M]*\\(//.*\\)?"))
- (t
- (concat pat (char-to-string c))))
- i (1+ i)))
- (setq pat (concat prefix-info pat)))))
-
- (defun java-feature-tree-command-p (class-or-signature)
- "Display definition of CLASS-OR-SIGNATURE if a signature and return t, else return nil."
- (if (java-routine-p class-or-signature)
- (progn
- (if (br-in-browser) (br-to-view-window))
- (br-feature-found-p (br-feature-file class-or-signature)
- class-or-signature))))
-
- (defun java-list-features (class &optional indent)
- "Return sorted list of java feature tags lexically defined in CLASS."
- (let ((obuf (current-buffer))
- (features)
- (class-tag (concat "\n" class java-type-tag-separator))
- feature)
- (set-buffer (funcall br-find-file-noselect-function br-feature-tags-file))
- (goto-char 1)
- (if (or (null indent) (<= indent 2))
- ;; Include all features.
- (while (search-forward class-tag nil t)
- (setq features (cons (br-feature-current) features)))
- (while (search-forward class-tag nil t)
- (setq feature (br-feature-current))
- (setq features (cons feature features))))
- (set-buffer obuf)
- (java-sort-features (nreverse features))))
-
- (defun java-routine-p (str)
- (string-match "([^\)]*)" str))
-
- (defun java-sort-features (routine-list)
- (sort routine-list 'java-feature-lessp))
-
- (defun java-to-definition (&optional other-win)
- "If point is within a declaration, try to move to its definition.
- With OTHER-WIN non-nil, show it in another window."
- (interactive)
- (let ((opoint (point)))
- (cond
- ((java-include-file other-win))
- ((br-check-for-class (java-class-decl-p) other-win))
- ((java-feature other-win))
- ((and (goto-char opoint)
- (br-check-for-class (java-find-class-name) other-win)))
- (t (beep)
- (message
- "(OO-Browser): Select a java declaration to move to its definition.")
- nil))))
-
- ;;; ************************************************************************
- ;;; Private functions
- ;;; ************************************************************************
-
- (defun java-class-decl-p ()
- "Return nil unless point is within a class declaration, referenced by another
- class. Commented declarations also return nil. When value is non-nil, it is
- the class name from the declaration. Leave point at start of statement for
- visual clarity."
- (java-skip-to-statement)
- (save-excursion
- (let ((class))
- (and (looking-at java-class-decl)
- (setq class (buffer-substring
- (match-beginning java-class-name-grpn)
- (match-end java-class-name-grpn)))
- (not (c-within-comment-p))
- (progn (beginning-of-line)
- (not (looking-at "[ \t]*//")))
- class))))
-
- (defun java-feature (&optional other-win)
- "Move point to definition of member given by declaration at point.
- Return nil if point is not within a member declaration."
- ;; If '{' follows the feature declaration, then feature is defined right
- ;; here, within the class definition.
- (interactive)
- (let ((feature-def) (ftr) (class) (ftr-pat))
- (cond ((java-feature-def-p)
- (recenter 0)
- t)
- ;; Now look for feature definition in code (non-header) files.
- ((progn (setq feature-def (java-feature-def-pat)
- ftr (car (cdr (cdr feature-def)))
- class (car (cdr feature-def))
- ftr-pat (car feature-def))
- (java-locate-feature ftr class ftr-pat other-win)))
- ((java-feature-decl)
- (beep)
- (message "(OO-Browser): '%s' feature definition not found." ftr)
- t))))
-
- (defun java-feature-add-prefix (feature-name class signature)
- "Add a browser listing display prefix to FEATURE-NAME from CLASS based on feature's SIGNATURE."
- (concat (cond ((string-match java-native-method-regexp signature)
- "/ ")
- ((string-match java-abstract-method-regexp signature)
- "> ")
- ((or (string-equal feature-name class)
- (string-equal feature-name "finalize"))
- "+ ")
- (t "- "))
- feature-name))
-
- (defun java-feature-decl ()
- (if (looking-at java-class-decl)
- nil
- (looking-at java-feature-decl)))
-
- (defun java-feature-def-p ()
- "Return nil unless point is within a member definition.
- Commented member definitions also return nil.
- Leaves point at start of statement for visual clarity."
- (java-skip-to-statement)
- (save-excursion
- (and (not (c-within-comment-p))
- (save-excursion (beginning-of-line)
- (not (looking-at "[ \t]*//")))
- (not (looking-at java-class-decl))
- (looking-at (concat java-at-feature-regexp "[{;,]"))
- (or (= ?\{
- (save-excursion (goto-char (match-end 0))
- (preceding-char)))
- ;; If ends with a '[;,]' then it must be a native or abstract
- ;; method to be a definition.
- (if (match-end java-feature-parens-grpn)
- (save-restriction
- (narrow-to-region (match-beginning 0) (match-end 0))
- (if (looking-at
- "\\(^\\|[ \t\n\^M]\\)\\(abstract\\|native\\)[ \t\n\^M][^;{}]+;")
- (progn (message "(OO-Browser): Abstract function, definition deferred to descendants.")
- t))))))))
-
- (defun java-feature-def-pat ()
- "Return (list <feature-def-pat> <feature-class> <feature-name>) associated with declaration at point."
- (and (java-skip-to-statement)
- (java-feature-decl)
- ;; Don't regexp-quote member-name yet
- (let* ((member-name (buffer-substring
- (match-beginning java-feature-name-grpn)
- (match-end java-feature-name-grpn)))
- (member-modifiers (if (match-end java-feature-mod-grpn)
- (br-quote-match java-feature-mod-grpn)))
- (class)
- (member-type
- (concat (and (match-end java-feature-type-grpn)
- ;; Handle possible regexp bug
- (not
- (equal
- (match-beginning java-feature-type-grpn)
- (match-beginning java-feature-name-grpn)))
- (concat (br-quote-match
- java-feature-type-grpn)))))
- (func-args (if (match-end java-feature-parens-grpn)
- (cons (match-beginning java-feature-parens-grpn)
- (match-end java-feature-parens-grpn))))
- (base-cl-args (match-end java-feature-parens-grpn)))
-
- (and member-type (string-match "[ \t]+$" member-type)
- (setq member-type (substring member-type 0
- (match-beginning 0))))
- (and (stringp member-type)
- (not (equal member-type ""))
- (setq member-type (concat member-type "[ \t\n]*")))
-
- (let ((pre-member-regexp
- (concat
- java-type-modifier-keyword
- (if member-modifiers
- (let ((def-mods "") (mod))
- (while (string-match "\\([a-z]+\\)[ \t\n]+"
- member-modifiers)
- (setq mod (substring member-modifiers
- (match-beginning 1)
- (match-end 1))
- member-modifiers (substring member-modifiers
- (match-end 0)))
- (if (equal (string-match
- java-type-def-modifier mod) 0)
- (setq def-mods (concat def-mods "\\(" mod
- "[ \t\n]+\\)?"))))
- def-mods))
- ))
- (post-member-regexp
- (concat
- ;; Point at beginning of line may imply a non-member func.
- (progn
- ;; Class name is not part of declaration
- ;; so look for declaration within a
- ;; class definition and locate the class
- ;; name. If not within a class, assume
- ;; declaration is global.
- (setq class (java-get-class-name-from-source))
- (br-regexp-quote member-name))
- "[ \t\n]*"
- (if func-args
- (concat "\\(" (java-func-args-regexp func-args)
- "\\|" (java-func-args-string func-args)
- "\\)"))
- ;; If is a constructor member function, then can have some
- ;; arguments for base class constructors after a ':'
- ;; but preceding the '{'.
- "[ \t\n]*"
- (and base-cl-args
- (equal member-name class)
- "\\(:[^;{}]*\\)?"))))
- (list
- (` (lambda (class)
- (concat "^" (br-regexp-quote class)
- (, (concat
- java-type-tag-separator
- br-feature-type-regexp " "
- (br-regexp-quote member-name)
- java-type-tag-separator
- pre-member-regexp))
- (br-regexp-quote class)
- (, post-member-regexp))))
- class member-name)))))
-
- (defun java-feature-lessp (routine1 routine2)
- (string-lessp (java-feature-signature-to-name routine1)
- (java-feature-signature-to-name routine2)))
-
- (defun java-feature-matches (regexp)
- "Return an unsorted list of feature tags whose names match in part or whole to REGEXP."
- ;; Ensure match to feature names only; also handle "^" and "$" meta-chars
- (setq regexp
- (concat (format "^[^%s \n]+%s%s "
- java-type-tag-separator java-type-tag-separator
- br-feature-type-regexp)
- (if (equal (substring regexp 0 1) "^")
- (progn (setq regexp (substring regexp 1)) nil)
- java-identifier-chars)
- (if (equal (substring regexp -1) "$")
- (substring regexp 0 -1)
- (concat regexp java-identifier-chars))
- java-type-tag-separator))
- (save-excursion
- (set-buffer (funcall br-find-file-noselect-function br-feature-tags-file))
- (goto-char 1)
- (let ((features))
- (while (re-search-forward regexp nil t)
- (setq features (cons (br-feature-current) features)))
- features)))
-
- (defun java-feature-normalize (routine class name)
- (setq class (br-delete-space class)
- name (java-feature-add-prefix name class routine)
- routine (concat class java-type-tag-separator
- name java-type-tag-separator
- (br-delete-space routine)))
- (let* ((len (length routine))
- (normal-feature (make-string len ?\ ))
- (n 0) (i 0)
- (space-list '(?\ ?\t ?\n ?\^M))
- (space-regexp "[ \t\n\^M]+")
- chr)
- (while (< i len)
- (setq chr (aref routine i))
- (cond
- ;; Convert sequences of space characters to a single space.
- ((memq chr space-list)
- (aset normal-feature n ?\ )
- (if (string-match space-regexp routine i)
- (setq i (match-end 0)
- n (1+ n))
- (setq i (1+ i)
- n (1+ n))))
- ;;
- ;; Remove // style comments
- ((and (= chr ?/)
- (< (1+ i) len)
- (= (aref routine (1+ i)) ?/))
- (setq i (+ i 2))
- (while (and (< i len) (/= (aref routine i) ?\n))
- (setq i (1+ i))))
- (t ;; Normal character
- (aset normal-feature n chr)
- (setq i (1+ i)
- n (1+ n)))))
- (substring normal-feature 0 n)))
-
- (defun java-feature-tag-class (signature)
- "Extract the class name from SIGNATURE."
- (cond ((string-match java-type-tag-separator signature)
- (substring signature 0 (match-beginning 0)))
- ((string-match "\\([^ \t]+\\)\." signature)
- (substring signature (match-beginning 1) (match-end 1)))
- (t "")))
-
- (defun java-feature-tags-lookup (class-list ftr-pat &optional other-win)
- "Display routine definition derived from CLASS-LIST, matching FTR-PAT.
- Use routine tags table to locate a match. Caller must use 'set-buffer'
- to restore prior buffer when a match is not found."
- (set-buffer (funcall br-find-file-noselect-function br-feature-tags-file))
- (let ((classes class-list)
- (found-ftr)
- (ftr-regexp)
- (class)
- (ftr-path))
- (if (or (null class-list) (equal class-list '(nil)))
- nil
- (while (and (not found-ftr) classes)
- (setq class (car classes)
- ftr-regexp (funcall ftr-pat class)
- ftr-path (br-feature-def-file ftr-regexp)
- found-ftr (if ftr-path
- (br-edit-feature (br-feature-current)
- ftr-path other-win))
- classes (if found-ftr nil (cdr classes))))
- (if found-ftr
- (or class t)
- (java-feature-tags-lookup
- (apply 'append (mapcar (function (lambda (cl) (br-get-parents cl)))
- class-list))
- ftr-pat)))))
-
- (defun java-files-with-source (class)
- "Use CLASS to compute set of files that match to a java source file regexp.
- Return as a list."
- (let ((file (if class (br-class-path class) buffer-file-name)))
- (and file
- (let* ((src-file-regexp (concat "^" (br-filename-head file)
- java-code-file-regexp))
- (dir (file-name-directory file))
- (files (directory-files dir nil src-file-regexp)))
- (mapcar (function (lambda (f) (concat dir f)))
- files)))))
-
- (defun java-find-ancestors-feature (class-list ftr-pat &optional other-win)
- "Scan ancestors of CLASS-LIST and show routine definition matching FTR-PAT."
- ;; If no class, search for non-member function.
- (or class-list (setq class-list '(nil)))
- (let ((obuf (current-buffer)))
- (prog1
- (if (and br-feature-tags-file
- (file-exists-p br-feature-tags-file)
- (file-readable-p br-feature-tags-file))
- (java-feature-tags-lookup class-list ftr-pat other-win)
- ;; Only works if features are in same directory as class def.
- (java-scan-ancestors-feature class-list ftr-pat other-win))
- (set-buffer obuf))))
-
- (defun java-find-class-name ()
- "Return current word as a potential class name."
- (save-excursion
- (let* ((start)
- (ignore "\]\[ \t\n;,.\(\){}-")
- (pat (concat "^" ignore)))
- (forward-char 1)
- (skip-chars-backward ignore)
- (skip-chars-backward pat)
- (setq start (point))
- (skip-chars-forward (concat pat ":"))
- (buffer-substring start (point)))))
-
- (defun java-func-args-regexp (func-args)
- (let* ((space "\\\\\\s-*")
- (obuf (current-buffer))
- (tmp-buf-nm "*br-java-tmp*")
- (tmp-buf (progn (if (get-buffer tmp-buf-nm)
- (kill-buffer tmp-buf-nm))
- (get-buffer-create tmp-buf-nm))))
- (or tmp-buf (error "OO-Browser: (java-func-args-regexp) - Can't create tmp-buf."))
- ;; Fill tmp-buffer with all func-args, including parens.
- (copy-to-buffer tmp-buf (car func-args) (cdr func-args))
-
- (set-buffer tmp-buf)
- (let ((quoted-args (br-regexp-quote (buffer-substring
- (point-min) (point-max)))))
- (erase-buffer)
- (insert quoted-args))
-
- (goto-char (point-min))
- (if (looking-at "(\\s-*)")
- (replace-match "(\\\\s-*)" t)
-
- ;; Replace all "\( +" with "\(" temporarily
- (br-buffer-replace "\\(^\\|[^\\]\\)\([ \t\n]+" "\\1\(")
-
- ;; Replace all "+ \)" with "\)" temporarily
- (br-buffer-replace "[ \t\n]+\)" "\)")
-
- ;; Replace all "...\)" with "...@" temporarily
- (br-buffer-replace "\\\\\\.\\\\\\.\\\\\\.\)" "@@@")
-
- ;; Optionalize right hand side of argument assignments.
- (br-buffer-replace "\\([^=,\( \t\n]+\\)\\([ \t\n]*=[^,\)]+\\)"
- (concat "\\1\\\\( "
- (br-regexp-quote java-arg-identifier)
- "\\\\)? \\\\(\\2\\\\)?"))
-
- ;; Replace all "\)" with "optional <java-identifier> \)"
- (br-buffer-replace
- "\\([\(,][^=\)]+\\)\)"
- (concat "\\1\\\\( " (br-regexp-quote java-arg-identifier)
- "\\\\)?\)"))
-
- ;; Replace all "," with "optional <java-identifier>,"
- (br-buffer-replace
- "\\([\(,][^=,]+\\),"
- (concat "\\1\\\\( " (br-regexp-quote java-arg-identifier) "\\\\)?,"))
-
- ;; Replace all " *, *" with "<spc>,<spc>"
- (br-buffer-replace "[ \t\n]*,[ \t\n]*" (concat space "," space))
-
- ;; Replace all " +" with "<spc>"
- (br-buffer-replace "[ \t\n]+" space)
-
- ;; Replace all "\(" with "\(<spc>"
- (br-buffer-replace "\\(^\\|[^\\]\\)\(" (concat "\\1\(" space))
-
- ;; Replace all "\)" with "<spc>\)"
- (br-buffer-replace "\\([^\\]\\)\)" (concat "\\1" space "\)"))
-
- ;; Replace all & and quoted \\* with "<spc>[*&]+<spc>"
- (br-buffer-replace "\\(&\\|\\\\\\*\\)+" (concat space "\\1" space))
-
- ;; Replace all "<spc>" with "[ \t\n]*"
- (br-buffer-replace "\\\\s-\\*" "[ \t\n]*")
-
- ;; Replace all "@@@" with any # of args
- (br-buffer-replace "@@@" "[^\)]*\)")
- )
-
- ;; Return final buffer as a string.
- (prog1 (buffer-substring (point-min) (point-max))
- (kill-buffer tmp-buf-nm)
- (set-buffer obuf))))
-
- (defun java-func-args-string (func-args)
- (let* ((space "\\\\\\s-*")
- (obuf (current-buffer))
- (tmp-buf-nm "*br-java-tmp*")
- (tmp-buf (progn (if (get-buffer tmp-buf-nm)
- (kill-buffer tmp-buf-nm))
- (get-buffer-create tmp-buf-nm))))
- (or tmp-buf (error "OO-Browser: (java-func-args-string) - Can't create tmp-buf."))
- ;; Fill tmp-buffer with all func-args, including parens.
- (copy-to-buffer tmp-buf (car func-args) (cdr func-args))
-
- (set-buffer tmp-buf)
- (let ((quoted-args (br-regexp-quote (buffer-substring
- (point-min) (point-max)))))
- (erase-buffer)
- (insert quoted-args))
-
- (goto-char (point-min))
- (if (looking-at "(\\s-*)")
- (replace-match "(\\\\s-*)" t)
-
- ;; Replace all "\( +" with "\(" temporarily
- (br-buffer-replace "\\(^\\|[^\\]\\)\([ \t\n]+" "\\1\(")
-
- ;; Replace all "+ \)" with "\)" temporarily
- (br-buffer-replace "[ \t\n]+\)" "\)")
-
- ;; Replace all "...\)" with "@@@" temporarily
- (br-buffer-replace "\\\\\\.\\\\\\.\\\\\\.\)" "@@@")
-
- ;; Optionalize right hand side of argument assignments.
- (br-buffer-replace "\\([^=,\( \t\n]+\\)\\([ \t\n]+=[^,\)]+\\)"
- (concat "\\1\\\\(\\2\\\\)?"))
-
- ;; If an arg consists of 2 or more words, replace last with <identifier>
- (br-buffer-replace
- "\\([\(,][^=,\)]*[^ \t\n=,\)]+[ \t\n]+\\)[^ \t\n=,\)]+\\([ \t\n]*[,\)]\\)"
- (concat "\\1" (br-regexp-quote java-arg-identifier) "\\2"))
-
- ;; If an arg consists of only 1 word, add a second
- (br-buffer-replace
- "\\([\(,][ \t\n]*\\)\\([^ \t\n=,\)]+\\)\\([ \t\n]*[,\)]\\)"
- (concat "\\1\\2 " (br-regexp-quote java-arg-identifier) "\\3"))
-
- ;; Replace all " *, *" with "<spc>,<spc>"
- (br-buffer-replace "[ \t\n]*,[ \t\n]*" (concat space "," space))
-
- ;; Replace all " +" with "<spc>"
- (br-buffer-replace "[ \t\n]+" space)
-
- ;; Replace all "\(" with "\(<spc>"
- (br-buffer-replace "\\(^\\|[^\\]\\)\(" (concat "\\1\(" space))
-
- ;; Replace all "\)" with "<spc>\)"
- (br-buffer-replace "\\([^\\]\\)\)" (concat "\\1" space "\)"))
-
- ;; Replace all "<spc>" with "[ \t\n]*"
- (br-buffer-replace "\\\\s-\\*" "[ \t\n]*")
-
- ;; Replace all "@@@" with any # of args
- (br-buffer-replace "@@@" "[^\)]*\)")
- )
-
- ;; Return final buffer as a string.
- (prog1 (buffer-substring (point-min) (point-max))
- (kill-buffer tmp-buf-nm)
- (set-buffer obuf))))
-
- (defun java-get-class-name-from-source ()
- "Return class name from closest class definition preceding point or nil."
- (let ((opoint (point))
- (class))
- (save-excursion
- (if (re-search-backward java-class-def-regexp nil t)
- (progn (goto-char (match-beginning java-class-def-derived-grpn))
- (setq class (java-normalize-class-match))
- ;; Ensure that declaration occurs within class definition.
- (forward-list)
- (and (> (point) opoint)
- class))))))
-
- (defun java-get-feature-tags (routine-file &optional routine-list)
- "Scan java ROUTINE-FILE and hold routine tags in 'br-feature-tags-file'.
- Assume ROUTINE-FILE has already been read into a buffer and that
- 'br-feature-tags-init' has been called. Optional ROUTINE-LIST can be
- provided so that a non-standard scan function can be used before calling
- this function."
- (interactive)
- (let ((obuf (current-buffer)))
- (set-buffer (funcall br-find-file-noselect-function br-feature-tags-file))
- (goto-char 1)
- ;; Delete any prior routine tags associated with routine-file
- (if (search-forward routine-file nil 'end)
- (progn (forward-line -1)
- (let ((start (point)))
- (search-forward "\^L" nil 'end 2)
- (backward-char 1)
- (delete-region start (point))
- )))
- (if routine-list
- (progn (insert "\^L\n" routine-file "\n")
- (mapcar (function (lambda (tag) (insert tag "\n")))
- routine-list)
- ))
- (set-buffer obuf)))
-
- (defun java-include-file (&optional other-win)
- "If point is on an include file line, try to display file.
- Return non-nil iff an include file line, even if file is not found.
- Look for include file in 'java-cpp-include-dirs' and in directory list
- 'java-include-dirs'."
- (let ((opoint (point)))
- (beginning-of-line)
- (if (looking-at java-include-regexp)
- (let ((incl-type (string-to-char
- (buffer-substring (match-beginning 1)
- (1+ (match-beginning 1)))))
- (file (buffer-substring (match-beginning 2) (match-end 2)))
- (path)
- (dir-list java-include-dirs)
- (found))
- (goto-char opoint)
- (setq dir-list (if (= incl-type ?<)
- (append dir-list java-cpp-include-dirs)
- (cons (file-name-directory buffer-file-name)
- dir-list)))
- (while dir-list
- (setq path (concat (car dir-list) file)
- dir-list (if (setq found (file-exists-p path))
- nil
- (cdr dir-list))))
- ;;
- ;; If not found in normal include dirs, check all Env paths also.
- ;;
- (if (not found)
- (let ((paths (delq nil (hash-map 'cdr br-paths-htable))))
- (while paths
- (setq path (car paths))
- (if (string-equal (file-name-nondirectory path) file)
- (setq found t paths nil)
- (setq paths (cdr paths))))))
- ;;
- ;; If found, display file
- ;;
- (if found
- (if (file-readable-p path)
- (progn
- (funcall br-edit-file-function path other-win)
- (if (not (fboundp 'br-lang-mode))
- (java-mode-setup))
- (br-major-mode))
- (beep)
- (message "(OO-Browser): Include file '%s' unreadable." path))
- (beep)
- (message "(OO-Browser): Include file '%s' not found." file))
- path)
- (goto-char opoint)
- nil)))
-
- (defun java-locate-feature (ftr class ftr-pat &optional other-win)
- ;; 'class' may = nil, implying non-member function
- (or class (setq class "[function]"))
- (let ((def-class))
- (if (and ftr-pat
- (setq def-class
- (java-find-ancestors-feature (list class)
- ftr-pat other-win)))
- (progn (if (and class (not (equal class def-class)))
- (message
- "Member `%s` of class '%s' inherited from class '%s'."
- ftr class def-class))
- t))))
-
- (defun java-scan-ancestors-feature (class-list ftr-pat &optional other-win)
- "Display routine definition derived from CLASS-LIST, matching FTR-PAT.
- Scan files with same base name as class file."
- (let ((classes class-list)
- (found-ftr)
- (code-def-files)
- (file)
- (ftr-regexp)
- (class))
- (if (null class-list)
- nil
- (while (and (not found-ftr) classes)
- (setq class (car classes)
- code-def-files (java-files-with-source class)
- ftr-regexp (funcall ftr-pat class))
- (while (and (setq file (car code-def-files))
- (not (setq found-ftr
- (br-feature-found-p file ftr-regexp
- nil other-win t))))
- (setq code-def-files (cdr code-def-files)))
- (setq classes (if found-ftr nil (cdr classes))))
- (if found-ftr
- (or class t)
- (java-scan-ancestors-feature
- (apply 'append (mapcar (function (lambda (cl) (br-get-parents cl)))
- class-list))
- ftr-pat)))))
-
- (defun java-scan-features (class start end)
- "Return reverse ordered list of java routine definitions within CLASS def.
- START and END give buffer region to search."
- (setq class (br-delete-space class))
- (save-excursion
- (save-restriction
- (narrow-to-region start end)
- (goto-char start)
- (let ((routines) rout name)
- ;;
- ;; Get member definitions and abstract method declarations.
- ;;
- (while (re-search-forward java-routine-def nil t)
- (setq start (match-beginning 0)
- name (buffer-substring
- (match-beginning java-feature-name-grpn)
- (match-end java-feature-name-grpn))
- rout (buffer-substring (match-beginning 0) (match-end 0)))
- ;; This is necessary to remove a possible double expression match
- ;; where there is a blank line within the match.
- (if (string-match "[\n\^M]\\([ \t]*[\n\^M]\\)+" rout)
- (progn (setq rout (substring rout (match-end 0)))
- (goto-char (+ start (match-end 0))))
- (if (c-within-comment-p)
- (search-forward "*/" nil t)
- ;; Move point to precede feature opening brace or abstract
- ;; method declaration semicolon.
- (backward-char)
- (if (= (following-char) ?\{)
- (condition-case ()
- ;; Move to end of feature but ignore any error if braces
- ;; are unbalanced. Let the compiler tell the user about
- ;; this.
- (forward-sexp)
- (error nil)))
- (setq rout (java-feature-normalize rout class name)
- routines (cons rout routines)))))
- routines))))
-
- (defun java-skip-to-statement ()
- (if (re-search-backward "\\(^\\|[;{}]\\)[ \t]*" nil t)
- (progn (goto-char (match-end 0))
- (skip-chars-forward " \t")
- t)))
-
- ;;; ************************************************************************
- ;;; Private variables
- ;;; ************************************************************************
-
- (defconst java-code-file-regexp "\\.java$"
- "Regular expression matching a unique part of java source (non-header) file name and no others.")
-
- (defconst java-include-regexp
- "[ \t/*]*import[ \t]+\\([^;]+\\)"
- "Regexp to match to java include file lines. File name is grouping 2. Type
- of include, user-specified via double quote, or system-related starting with
- '<' is given by grouping 1.")
-
- (defconst java-type-def-modifier
- "\\(const\\|final\\|static\\|abstract\\|public\\|protected\\|private\\)")
-
- (defconst java-type-modifier-keyword
- (concat "\\(\\(public\\|protected\\|private\\|const\\|abstract\\|"
- "synchronized\\|final\\|static\\|threadsafe\\|transient\\|"
- "native\\)[ \t\n\^M]+\\)"))
-
- (defconst java-type-identifier-group
- (concat "\\(\\(" java-return-type-identifier "\\)[ \t\n\^M]+\\)"))
-
- (defconst java-function-identifier (concat
- "[_a-zA-Z][^][ \t:;.,{}()=]*")
- "Regular expression matching a java or G++ function name.")
-
- (defconst java-arg-identifier
- (concat "[_a-zA-Z][" java-identifier-chars "]*")
- "Regular expression matching a java or G++ function argument identifier.")
-
- (defconst java-feature-decl-or-def
- (concat "^[ \t]*\\(" java-type-modifier-keyword "*"
- java-type-identifier-group "\\)?"
- "\\(" java-type-identifier "[ \t\n\^M]*\\)?"
- "\\(" java-function-identifier "\\|" java-identifier "\\)"
- ;; It's hard to tell arguments from parenthesized initializing
- ;; expressions.
- "[ \t\n\^M]*(\\([^);{}]*\\))\\([][]*\\)"
- )
- "Regexp matching a java member declaration or definition.
- Member modifier keywords are grouped expression 'java-feature-mode-grpn'.
- Member type is grouped expression 'java-feature-type-grpn'. Member name is
- group 'java-feature-name-grpn'. Function parentheses, if any, are group
- 'java-feature-parens-grpn'.")
-
- (defconst java-feature-mod-grpn 2)
- (defconst java-feature-type-grpn 5)
- (defconst java-feature-name-grpn 9)
- (defconst java-feature-parens-grpn 11)
-
- (defconst java-at-feature-regexp
- (concat java-feature-decl-or-def "[ \t\n]*")
- "See documentation of 'java-feature-decl-or-def' for grouping expressions.")
-
- (defconst java-feature-decl
- (concat java-at-feature-regexp "[;{]")
- "See documentation of 'java-feature-decl-or-def' for grouping expressions.")
-
- (defconst java-routine-def-terminator-regexp
- ;; Also matches to abstract method declarations.
- ;; Only native and abstract functions end with a semi-colon.
- "\\({\\|;\\)")
-
- (defconst java-routine-def
- (concat java-at-feature-regexp java-routine-def-terminator-regexp)
- "See documentation of 'java-feature-decl-or-def' for grouping expressions.")
-
- (defconst java-class-decl
- (concat java-class-modifier-keyword
- java-class-keyword java-identifier "[ \t]*[;,]")
- "Regexp matching a java class declaration.
- Class name is grouping 'java-class-name-grpn'.")
-
- (defconst java-class-name-grpn 4)
-
- ;; Old def was: "\\(^\\|[ \t\n\^M]\\)abstract[ \t\n\^M][^;{}]+;"
- (defconst java-abstract-method-regexp ";\\'"
- "Regexp matching a Java abstract method signature.")
-
- (defconst java-native-method-regexp "\\(^\\|[ \t\n\^M]\\)native[ \t\n\^M][^;{}]+;"
- "Regexp matching a Java native method signature, one implemented in another language.")
-
- (provide 'br-java-ft)
-