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1 ;;!emacs
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2 ;;
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3 ;; FILE: br-java-ft.el
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4 ;; SUMMARY: Java OO-Browser class and member functions.
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5 ;; USAGE: GNU Emacs Lisp Library
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70
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6 ;; KEYWORDS: java, oop, tools
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7 ;;
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8 ;; AUTHOR: Bob Weiner
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9 ;; ORG: Motorola Inc.
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10 ;;
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11 ;; ORIG-DATE: 01-Aug-95
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12 ;; LAST-MOD: 4-Oct-95 at 13:41:34 by Bob Weiner
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13 ;;
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14 ;; Copyright (C) 1995 Free Software Foundation, Inc.
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15 ;; See the file BR-COPY for license information.
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16 ;;
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17 ;; This file is part of the OO-Browser.
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18 ;;
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19 ;; DESCRIPTION:
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20 ;; DESCRIP-END.
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21
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22 ;;; ************************************************************************
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23 ;;; Other required Elisp libraries
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24 ;;; ************************************************************************
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25
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26 (mapcar 'require '(br-c-ft br-java))
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27
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28 ;;; ************************************************************************
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29 ;;; Public variables
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30 ;;; ************************************************************************
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31
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70
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32 (defvar java-cpp-include-dirs '("/usr/include/")
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33 "*Ordered list of include directories by default searched by C preprocessor.
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34 Each directory must end with a directory separator. See also
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35 'java-include-dirs'.")
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36
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37 (defvar java-include-dirs nil
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38 "*Ordered list of directories to search for java include files.
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39 Each directory must end with a directory separator. Directories normally
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40 searched by the java pre-processor should be set instead in
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41 'java-cpp-include-dirs'.")
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42
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43 (defconst java-return-type-identifier
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70
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44 (concat "\\([\[a-zA-Z]"
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45 "\\|[\[a-zA-Z][]" java-return-type-chars "]*"
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46 "[]" java-return-type-chars "]+\\)"
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47 "[ \t\n\^M]*"))
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48
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49 (defconst java-type-identifier
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50 (concat "\\([\[a-zA-Z][]" java-identifier-chars "]*[ \t\n\^M]+\\)"))
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51
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52 (defconst java-type-tag-separator "@"
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53 "String that separates a tag's type from its normalized definition form.
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54 This should be a single character which is unchanged when quoted for use as a
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55 literal in a regular expression.")
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56
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57 (defconst java-tag-fields-regexp
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58 ;; The \\\\? below is necessary because we sometimes use this expression to
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59 ;; test against a string that has been regexp-quoted and some of the
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60 ;; characters in br-feature-type-regexp will then be preceded by \\.
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70
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61 (format "\\`\\([^%s \n]+\\)%s\\\\?\\(%s \\)\\([^%s\n]+\\)%s"
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62 java-type-tag-separator java-type-tag-separator
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63 br-feature-type-regexp java-type-tag-separator
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64 java-type-tag-separator)
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65 "Regexp matching the fields of a java feature tag line.
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66 Group 1 is the class of the feature. Group 2 is the prefix preceding the
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67 feature when displayed within a listing buffer. Group 3 is the feature name.
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68 The feature definition signature begins at the end of the regexp match,
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69 i.e. (match-end 0), and goes to the end of the string or line.")
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70
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71 ;;; ************************************************************************
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72 ;;; Public functions
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73 ;;; ************************************************************************
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74
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75 (defun java-member-p ()
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76 "Prints whether entity at point is a java member definition or declaration."
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77 (interactive)
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78 (let ((name))
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79 (save-excursion
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80 (message
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81 (concat
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82 "Is " (if (java-feature-def-p)
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83 (progn (setq name
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84 (buffer-substring (match-beginning
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85 java-feature-name-grpn)
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86 (match-end
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87 java-feature-name-grpn)))
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88 "")
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89 "not ")
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90 "a def. "
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91 "Is " (if (and (java-skip-to-statement) (java-feature-decl))
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92 (progn (setq name
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93 (buffer-substring (match-beginning
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94 java-feature-name-grpn)
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95 (match-end
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96 java-feature-name-grpn)))
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97 "")
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98 "not ")
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99 "a member decl. "
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100 (if name (concat " Name = " name)))))))
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101
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102 (defun java-feature-implementors (name)
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103 "Return unsorted list of java feature tags which implement feature NAME.
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104 This includes classes which declare abstract functions with NAME."
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105 (java-feature-matches (concat "^" (regexp-quote name) "$")))
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106
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107 (defun java-feature-locate-p (feature-tag &optional regexp-flag)
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108 "Leaves point at the start of FEATURE-TAG's definition in the current buffer.
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109 Assumes caller has moved point to the beginning of the buffer or to the point
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110 of desired search start.
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111 Optional REGEXP-FLAG means FEATURE-TAG is a regular expression."
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112 ;; Match to function definitions, not declarations, except for abstract
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113 ;; methods which are declared, not defined, and so end with a ';'.
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114 ;;
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115 ;; First move to the proper class implementation if feature-tag does not
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116 ;; include a <class>:: part and this is not a [default-class], so that if
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117 ;; two classes in the same file have the same feature signature, we still
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118 ;; end up at the right one.
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119 (if (string-match java-tag-fields-regexp feature-tag)
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120 (let ((class (substring feature-tag (match-beginning 1) (match-end 1))))
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121 (setq feature-tag (substring feature-tag (match-end 0)))
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122 (if regexp-flag
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123 (if (not (string-match "\\`\\\\\\[\\|::" feature-tag))
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124 (re-search-forward (java-class-definition-regexp class t)
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125 nil t))
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126 (if (not (string-match "\\`\\[\\|::" feature-tag))
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127 (re-search-forward (java-class-definition-regexp class)
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128 nil t)))))
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129 ;; Now look for feature expression.
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130 (let ((found) (start))
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131 (or regexp-flag (setq feature-tag
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132 (java-feature-signature-to-regexp feature-tag)))
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133 (while (and (re-search-forward feature-tag nil t)
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134 (setq start (match-beginning 0))
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135 (not (setq found (not
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136 (if (c-within-comment-p)
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137 (progn (search-forward "*/" nil t)
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138 t)))))))
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139 (if found
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140 (progn (goto-char start)
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141 (skip-chars-forward " \t\n")
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142 (java-to-comments-begin)
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143 (recenter 0)
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144 (goto-char start)
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145 t))))
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146
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147 (defun java-feature-name-to-regexp (name)
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148 "Converts routine NAME into a regular expression matching the routine's name tag."
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149 (setq name (java-feature-signature-to-regexp name))
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150 (aset name (1- (length name)) ?\() ;; Match only to functions
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151 name)
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152
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153 (defun java-feature-signature-to-name (signature &optional with-class for-display)
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154 "Extracts the feature name from SIGNATURE.
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155 The feature's class name is dropped from signature unless optional WITH-CLASS
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156 is non-nil. If optional FOR-DISPLAY is non-nil, a feature type character is
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157 prepended to the name for display in a browser listing."
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158 (let ((name))
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159 (cond
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160 ;; member
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161 ((string-match java-tag-fields-regexp signature)
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162 (setq name (substring signature (match-beginning (if for-display 2 3))
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163 (match-end 3)))
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164 (if with-class
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165 (setq name (concat
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166 (substring signature (match-beginning 1) (match-end 1))
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70
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167 "." name)))
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168 ;; Remove any trailing whitespace.
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169 (br-delete-space name))
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170 ;;
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171 ;; unknown
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172 (t ;; Remove any trailing whitespace and add display prefix.
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173 (setq name (br-delete-space signature))
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174 (if for-display (java-feature-add-prefix name "" signature) name)))))
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175
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176 (defun java-feature-signature-to-regexp (signature)
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177 "Given a java SIGNATURE, return regexp used to match to its definition."
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178 (setq signature (regexp-quote signature))
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179 (let ((prefix-info
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180 (if (string-match java-tag-fields-regexp signature)
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181 (prog1 (substring signature (match-beginning 0) (match-end 0))
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182 (setq signature (substring signature (match-end 0)))))))
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183 (let ((pat) (i 0) (c) (len (length signature)))
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184 (while (< i len)
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185 (setq c (aref signature i)
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186 pat (cond ((= c ? )
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187 ;; Allow for possible single line comment
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188 ;; following any whitespace, e.g. following
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189 ;; each routine argument.
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190 (concat pat "[ \t\n\^M]*\\(//.*\\)?"))
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191 (t
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192 (concat pat (char-to-string c))))
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193 i (1+ i)))
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194 (setq pat (concat prefix-info pat)))))
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195
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196 (defun java-feature-tree-command-p (class-or-signature)
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197 "Display definition of CLASS-OR-SIGNATURE if a signature and return t, else return nil."
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198 (if (java-routine-p class-or-signature)
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199 (progn
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200 (if (br-in-browser) (br-to-view-window))
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201 (br-feature-found-p (br-feature-file class-or-signature)
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202 class-or-signature))))
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203
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204 (defun java-list-features (class &optional indent)
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205 "Return sorted list of java feature tags lexically defined in CLASS."
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206 (let ((obuf (current-buffer))
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207 (features)
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208 (class-tag (concat "\n" class java-type-tag-separator))
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209 feature)
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210 (set-buffer (funcall br-find-file-noselect-function br-feature-tags-file))
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211 (goto-char 1)
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212 (if (or (null indent) (<= indent 2))
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213 ;; Include all features.
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214 (while (search-forward class-tag nil t)
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215 (setq features (cons (br-feature-current) features)))
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216 (while (search-forward class-tag nil t)
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217 (setq feature (br-feature-current))
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218 (setq features (cons feature features))))
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219 (set-buffer obuf)
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220 (java-sort-features (nreverse features))))
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221
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222 (defun java-routine-p (str)
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223 (string-match "([^\)]*)" str))
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224
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225 (defun java-sort-features (routine-list)
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226 (sort routine-list 'java-feature-lessp))
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227
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228 (defun java-to-definition (&optional other-win)
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229 "If point is within a declaration, try to move to its definition.
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230 With OTHER-WIN non-nil, show it in another window."
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231 (interactive)
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232 (let ((opoint (point)))
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233 (cond
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234 ((java-include-file other-win))
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235 ((br-check-for-class (java-class-decl-p) other-win))
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236 ((java-feature other-win))
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237 ((and (goto-char opoint)
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238 (br-check-for-class (java-find-class-name) other-win)))
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239 (t (beep)
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240 (message
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241 "(OO-Browser): Select a java declaration to move to its definition.")
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242 nil))))
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243
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244 ;;; ************************************************************************
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245 ;;; Private functions
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246 ;;; ************************************************************************
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247
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248 (defun java-class-decl-p ()
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249 "Return nil unless point is within a class declaration, referenced by another
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250 class. Commented declarations also return nil. When value is non-nil, it is
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251 the class name from the declaration. Leave point at start of statement for
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252 visual clarity."
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253 (java-skip-to-statement)
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254 (save-excursion
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255 (let ((class))
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256 (and (looking-at java-class-decl)
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257 (setq class (buffer-substring
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258 (match-beginning java-class-name-grpn)
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259 (match-end java-class-name-grpn)))
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260 (not (c-within-comment-p))
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261 (progn (beginning-of-line)
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262 (not (looking-at "[ \t]*//")))
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263 class))))
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264
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265 (defun java-feature (&optional other-win)
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266 "Move point to definition of member given by declaration at point.
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267 Return nil if point is not within a member declaration."
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268 ;; If '{' follows the feature declaration, then feature is defined right
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269 ;; here, within the class definition.
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270 (interactive)
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271 (let ((feature-def) (ftr) (class) (ftr-pat))
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272 (cond ((java-feature-def-p)
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273 (recenter 0)
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274 t)
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275 ;; Now look for feature definition in code (non-header) files.
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276 ((progn (setq feature-def (java-feature-def-pat)
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277 ftr (car (cdr (cdr feature-def)))
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278 class (car (cdr feature-def))
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279 ftr-pat (car feature-def))
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280 (java-locate-feature ftr class ftr-pat other-win)))
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281 ((java-feature-decl)
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282 (beep)
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283 (message "(OO-Browser): '%s' feature definition not found." ftr)
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284 t))))
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285
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286 (defun java-feature-add-prefix (feature-name class signature)
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287 "Add a browser listing display prefix to FEATURE-NAME from CLASS based on feature's SIGNATURE."
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288 (concat (cond ((string-match java-native-method-regexp signature)
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289 "/ ")
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290 ((string-match java-abstract-method-regexp signature)
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291 "> ")
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292 ((or (string-equal feature-name class)
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293 (string-equal feature-name "finalize"))
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294 "+ ")
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295 (t "- "))
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296 feature-name))
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297
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298 (defun java-feature-decl ()
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299 (if (looking-at java-class-decl)
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300 nil
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301 (looking-at java-feature-decl)))
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302
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303 (defun java-feature-def-p ()
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304 "Return nil unless point is within a member definition.
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305 Commented member definitions also return nil.
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306 Leaves point at start of statement for visual clarity."
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307 (java-skip-to-statement)
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308 (save-excursion
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309 (and (not (c-within-comment-p))
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310 (save-excursion (beginning-of-line)
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311 (not (looking-at "[ \t]*//")))
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312 (not (looking-at java-class-decl))
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313 (looking-at (concat java-at-feature-regexp "[{;,]"))
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314 (or (= ?\{
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315 (save-excursion (goto-char (match-end 0))
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316 (preceding-char)))
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317 ;; If ends with a '[;,]' then it must be a native or abstract
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318 ;; method to be a definition.
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319 (if (match-end java-feature-parens-grpn)
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320 (save-restriction
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321 (narrow-to-region (match-beginning 0) (match-end 0))
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322 (if (looking-at
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323 "\\(^\\|[ \t\n\^M]\\)\\(abstract\\|native\\)[ \t\n\^M][^;{}]+;")
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324 (progn (message "(OO-Browser): Abstract function, definition deferred to descendants.")
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325 t))))))))
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326
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327 (defun java-feature-def-pat ()
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328 "Return (list <feature-def-pat> <feature-class> <feature-name>) associated with declaration at point."
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329 (and (java-skip-to-statement)
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330 (java-feature-decl)
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331 ;; Don't regexp-quote member-name yet
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332 (let* ((member-name (buffer-substring
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333 (match-beginning java-feature-name-grpn)
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334 (match-end java-feature-name-grpn)))
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335 (member-modifiers (if (match-end java-feature-mod-grpn)
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336 (br-quote-match java-feature-mod-grpn)))
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337 (class)
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338 (member-type
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339 (concat (and (match-end java-feature-type-grpn)
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340 ;; Handle possible regexp bug
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341 (not
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342 (equal
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343 (match-beginning java-feature-type-grpn)
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344 (match-beginning java-feature-name-grpn)))
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345 (concat (br-quote-match
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346 java-feature-type-grpn)))))
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347 (func-args (if (match-end java-feature-parens-grpn)
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348 (cons (match-beginning java-feature-parens-grpn)
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70
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349 (match-end java-feature-parens-grpn))))
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350 (base-cl-args (match-end java-feature-parens-grpn)))
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0
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351
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352 (and member-type (string-match "[ \t]+$" member-type)
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353 (setq member-type (substring member-type 0
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354 (match-beginning 0))))
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355 (and (stringp member-type)
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356 (not (equal member-type ""))
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357 (setq member-type (concat member-type "[ \t\n]*")))
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358
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359 (let ((pre-member-regexp
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360 (concat
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361 java-type-modifier-keyword
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362 (if member-modifiers
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363 (let ((def-mods "") (mod))
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364 (while (string-match "\\([a-z]+\\)[ \t\n]+"
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365 member-modifiers)
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366 (setq mod (substring member-modifiers
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367 (match-beginning 1)
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368 (match-end 1))
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369 member-modifiers (substring member-modifiers
|
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370 (match-end 0)))
|
|
|
371 (if (equal (string-match
|
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372 java-type-def-modifier mod) 0)
|
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373 (setq def-mods (concat def-mods "\\(" mod
|
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374 "[ \t\n]+\\)?"))))
|
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375 def-mods))
|
|
|
376 ))
|
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377 (post-member-regexp
|
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378 (concat
|
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379 ;; Point at beginning of line may imply a non-member func.
|
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|
380 (progn
|
|
|
381 ;; Class name is not part of declaration
|
|
|
382 ;; so look for declaration within a
|
|
|
383 ;; class definition and locate the class
|
|
|
384 ;; name. If not within a class, assume
|
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|
385 ;; declaration is global.
|
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386 (setq class (java-get-class-name-from-source))
|
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387 (br-regexp-quote member-name))
|
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388 "[ \t\n]*"
|
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|
389 (if func-args
|
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|
390 (concat "\\(" (java-func-args-regexp func-args)
|
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391 "\\|" (java-func-args-string func-args)
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392 "\\)"))
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70
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393 ;; If is a constructor member function, then can have some
|
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394 ;; arguments for base class constructors after a ':'
|
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395 ;; but preceding the '{'.
|
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396 "[ \t\n]*"
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397 (and base-cl-args
|
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398 (equal member-name class)
|
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399 "\\(:[^;{}]*\\)?"))))
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0
|
400 (list
|
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401 (` (lambda (class)
|
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402 (concat "^" (br-regexp-quote class)
|
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403 (, (concat
|
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404 java-type-tag-separator
|
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405 br-feature-type-regexp " "
|
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406 (br-regexp-quote member-name)
|
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407 java-type-tag-separator
|
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408 pre-member-regexp))
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409 (br-regexp-quote class)
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410 (, post-member-regexp))))
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411 class member-name)))))
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412
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70
|
413 (defun java-feature-lessp (routine1 routine2)
|
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414 (string-lessp (java-feature-signature-to-name routine1)
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415 (java-feature-signature-to-name routine2)))
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416
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417 (defun java-feature-matches (regexp)
|
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418 "Return an unsorted list of feature tags whose names match in part or whole to REGEXP."
|
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|
419 ;; Ensure match to feature names only; also handle "^" and "$" meta-chars
|
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420 (setq regexp
|
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421 (concat (format "^[^%s \n]+%s%s "
|
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422 java-type-tag-separator java-type-tag-separator
|
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423 br-feature-type-regexp)
|
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|
424 (if (equal (substring regexp 0 1) "^")
|
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|
425 (progn (setq regexp (substring regexp 1)) nil)
|
|
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426 java-identifier-chars)
|
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427 (if (equal (substring regexp -1) "$")
|
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428 (substring regexp 0 -1)
|
|
|
429 (concat regexp java-identifier-chars))
|
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|
430 java-type-tag-separator))
|
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431 (save-excursion
|
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|
432 (set-buffer (funcall br-find-file-noselect-function br-feature-tags-file))
|
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|
433 (goto-char 1)
|
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|
434 (let ((features))
|
|
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435 (while (re-search-forward regexp nil t)
|
|
|
436 (setq features (cons (br-feature-current) features)))
|
|
|
437 features)))
|
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|
438
|
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439 (defun java-feature-normalize (routine class name)
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|
440 (setq class (br-delete-space class)
|
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441 name (java-feature-add-prefix name class routine)
|
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442 routine (concat class java-type-tag-separator
|
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443 name java-type-tag-separator
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444 (br-delete-space routine)))
|
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|
445 (let* ((len (length routine))
|
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446 (normal-feature (make-string len ?\ ))
|
|
|
447 (n 0) (i 0)
|
|
|
448 (space-list '(?\ ?\t ?\n ?\^M))
|
|
|
449 (space-regexp "[ \t\n\^M]+")
|
|
|
450 chr)
|
|
|
451 (while (< i len)
|
|
|
452 (setq chr (aref routine i))
|
|
|
453 (cond
|
|
|
454 ;; Convert sequences of space characters to a single space.
|
|
|
455 ((memq chr space-list)
|
|
|
456 (aset normal-feature n ?\ )
|
|
|
457 (if (string-match space-regexp routine i)
|
|
|
458 (setq i (match-end 0)
|
|
|
459 n (1+ n))
|
|
|
460 (setq i (1+ i)
|
|
|
461 n (1+ n))))
|
|
|
462 ;;
|
|
|
463 ;; Remove // style comments
|
|
|
464 ((and (= chr ?/)
|
|
|
465 (< (1+ i) len)
|
|
|
466 (= (aref routine (1+ i)) ?/))
|
|
|
467 (setq i (+ i 2))
|
|
|
468 (while (and (< i len) (/= (aref routine i) ?\n))
|
|
|
469 (setq i (1+ i))))
|
|
|
470 (t ;; Normal character
|
|
|
471 (aset normal-feature n chr)
|
|
|
472 (setq i (1+ i)
|
|
|
473 n (1+ n)))))
|
|
|
474 (substring normal-feature 0 n)))
|
|
|
475
|
|
|
476 (defun java-feature-tag-class (signature)
|
|
|
477 "Extract the class name from SIGNATURE."
|
|
|
478 (cond ((string-match java-type-tag-separator signature)
|
|
|
479 (substring signature 0 (match-beginning 0)))
|
|
|
480 ((string-match "\\([^ \t]+\\)\." signature)
|
|
|
481 (substring signature (match-beginning 1) (match-end 1)))
|
|
|
482 (t "")))
|
|
|
483
|
|
|
484 (defun java-feature-tags-lookup (class-list ftr-pat &optional other-win)
|
|
|
485 "Display routine definition derived from CLASS-LIST, matching FTR-PAT.
|
|
|
486 Use routine tags table to locate a match. Caller must use 'set-buffer'
|
|
0
|
487 to restore prior buffer when a match is not found."
|
|
|
488 (set-buffer (funcall br-find-file-noselect-function br-feature-tags-file))
|
|
|
489 (let ((classes class-list)
|
|
|
490 (found-ftr)
|
|
|
491 (ftr-regexp)
|
|
|
492 (class)
|
|
|
493 (ftr-path))
|
|
|
494 (if (or (null class-list) (equal class-list '(nil)))
|
|
|
495 nil
|
|
|
496 (while (and (not found-ftr) classes)
|
|
|
497 (setq class (car classes)
|
|
|
498 ftr-regexp (funcall ftr-pat class)
|
|
|
499 ftr-path (br-feature-def-file ftr-regexp)
|
|
|
500 found-ftr (if ftr-path
|
|
70
|
501 (br-edit-feature (br-feature-current)
|
|
|
502 ftr-path other-win))
|
|
0
|
503 classes (if found-ftr nil (cdr classes))))
|
|
|
504 (if found-ftr
|
|
|
505 (or class t)
|
|
70
|
506 (java-feature-tags-lookup
|
|
0
|
507 (apply 'append (mapcar (function (lambda (cl) (br-get-parents cl)))
|
|
|
508 class-list))
|
|
|
509 ftr-pat)))))
|
|
|
510
|
|
|
511 (defun java-files-with-source (class)
|
|
|
512 "Use CLASS to compute set of files that match to a java source file regexp.
|
|
|
513 Return as a list."
|
|
|
514 (let ((file (if class (br-class-path class) buffer-file-name)))
|
|
|
515 (and file
|
|
|
516 (let* ((src-file-regexp (concat "^" (br-filename-head file)
|
|
|
517 java-code-file-regexp))
|
|
|
518 (dir (file-name-directory file))
|
|
|
519 (files (directory-files dir nil src-file-regexp)))
|
|
|
520 (mapcar (function (lambda (f) (concat dir f)))
|
|
|
521 files)))))
|
|
|
522
|
|
|
523 (defun java-find-ancestors-feature (class-list ftr-pat &optional other-win)
|
|
|
524 "Scan ancestors of CLASS-LIST and show routine definition matching FTR-PAT."
|
|
|
525 ;; If no class, search for non-member function.
|
|
|
526 (or class-list (setq class-list '(nil)))
|
|
|
527 (let ((obuf (current-buffer)))
|
|
|
528 (prog1
|
|
|
529 (if (and br-feature-tags-file
|
|
|
530 (file-exists-p br-feature-tags-file)
|
|
|
531 (file-readable-p br-feature-tags-file))
|
|
70
|
532 (java-feature-tags-lookup class-list ftr-pat other-win)
|
|
0
|
533 ;; Only works if features are in same directory as class def.
|
|
|
534 (java-scan-ancestors-feature class-list ftr-pat other-win))
|
|
|
535 (set-buffer obuf))))
|
|
|
536
|
|
|
537 (defun java-find-class-name ()
|
|
|
538 "Return current word as a potential class name."
|
|
|
539 (save-excursion
|
|
|
540 (let* ((start)
|
|
|
541 (ignore "\]\[ \t\n;,.\(\){}-")
|
|
|
542 (pat (concat "^" ignore)))
|
|
|
543 (forward-char 1)
|
|
|
544 (skip-chars-backward ignore)
|
|
|
545 (skip-chars-backward pat)
|
|
|
546 (setq start (point))
|
|
70
|
547 (skip-chars-forward (concat pat ":"))
|
|
0
|
548 (buffer-substring start (point)))))
|
|
|
549
|
|
|
550 (defun java-func-args-regexp (func-args)
|
|
|
551 (let* ((space "\\\\\\s-*")
|
|
|
552 (obuf (current-buffer))
|
|
|
553 (tmp-buf-nm "*br-java-tmp*")
|
|
|
554 (tmp-buf (progn (if (get-buffer tmp-buf-nm)
|
|
|
555 (kill-buffer tmp-buf-nm))
|
|
|
556 (get-buffer-create tmp-buf-nm))))
|
|
|
557 (or tmp-buf (error "OO-Browser: (java-func-args-regexp) - Can't create tmp-buf."))
|
|
|
558 ;; Fill tmp-buffer with all func-args, including parens.
|
|
|
559 (copy-to-buffer tmp-buf (car func-args) (cdr func-args))
|
|
|
560
|
|
|
561 (set-buffer tmp-buf)
|
|
|
562 (let ((quoted-args (br-regexp-quote (buffer-substring
|
|
|
563 (point-min) (point-max)))))
|
|
|
564 (erase-buffer)
|
|
|
565 (insert quoted-args))
|
|
|
566
|
|
|
567 (goto-char (point-min))
|
|
|
568 (if (looking-at "(\\s-*)")
|
|
|
569 (replace-match "(\\\\s-*)" t)
|
|
|
570
|
|
|
571 ;; Replace all "\( +" with "\(" temporarily
|
|
|
572 (br-buffer-replace "\\(^\\|[^\\]\\)\([ \t\n]+" "\\1\(")
|
|
|
573
|
|
|
574 ;; Replace all "+ \)" with "\)" temporarily
|
|
|
575 (br-buffer-replace "[ \t\n]+\)" "\)")
|
|
|
576
|
|
|
577 ;; Replace all "...\)" with "...@" temporarily
|
|
|
578 (br-buffer-replace "\\\\\\.\\\\\\.\\\\\\.\)" "@@@")
|
|
|
579
|
|
|
580 ;; Optionalize right hand side of argument assignments.
|
|
|
581 (br-buffer-replace "\\([^=,\( \t\n]+\\)\\([ \t\n]*=[^,\)]+\\)"
|
|
|
582 (concat "\\1\\\\( "
|
|
|
583 (br-regexp-quote java-arg-identifier)
|
|
|
584 "\\\\)? \\\\(\\2\\\\)?"))
|
|
|
585
|
|
|
586 ;; Replace all "\)" with "optional <java-identifier> \)"
|
|
|
587 (br-buffer-replace
|
|
|
588 "\\([\(,][^=\)]+\\)\)"
|
|
|
589 (concat "\\1\\\\( " (br-regexp-quote java-arg-identifier)
|
|
|
590 "\\\\)?\)"))
|
|
|
591
|
|
|
592 ;; Replace all "," with "optional <java-identifier>,"
|
|
|
593 (br-buffer-replace
|
|
|
594 "\\([\(,][^=,]+\\),"
|
|
|
595 (concat "\\1\\\\( " (br-regexp-quote java-arg-identifier) "\\\\)?,"))
|
|
|
596
|
|
|
597 ;; Replace all " *, *" with "<spc>,<spc>"
|
|
|
598 (br-buffer-replace "[ \t\n]*,[ \t\n]*" (concat space "," space))
|
|
|
599
|
|
|
600 ;; Replace all " +" with "<spc>"
|
|
|
601 (br-buffer-replace "[ \t\n]+" space)
|
|
|
602
|
|
|
603 ;; Replace all "\(" with "\(<spc>"
|
|
|
604 (br-buffer-replace "\\(^\\|[^\\]\\)\(" (concat "\\1\(" space))
|
|
|
605
|
|
|
606 ;; Replace all "\)" with "<spc>\)"
|
|
|
607 (br-buffer-replace "\\([^\\]\\)\)" (concat "\\1" space "\)"))
|
|
|
608
|
|
|
609 ;; Replace all & and quoted \\* with "<spc>[*&]+<spc>"
|
|
|
610 (br-buffer-replace "\\(&\\|\\\\\\*\\)+" (concat space "\\1" space))
|
|
|
611
|
|
|
612 ;; Replace all "<spc>" with "[ \t\n]*"
|
|
|
613 (br-buffer-replace "\\\\s-\\*" "[ \t\n]*")
|
|
|
614
|
|
|
615 ;; Replace all "@@@" with any # of args
|
|
|
616 (br-buffer-replace "@@@" "[^\)]*\)")
|
|
|
617 )
|
|
|
618
|
|
|
619 ;; Return final buffer as a string.
|
|
|
620 (prog1 (buffer-substring (point-min) (point-max))
|
|
|
621 (kill-buffer tmp-buf-nm)
|
|
|
622 (set-buffer obuf))))
|
|
|
623
|
|
|
624 (defun java-func-args-string (func-args)
|
|
|
625 (let* ((space "\\\\\\s-*")
|
|
|
626 (obuf (current-buffer))
|
|
|
627 (tmp-buf-nm "*br-java-tmp*")
|
|
|
628 (tmp-buf (progn (if (get-buffer tmp-buf-nm)
|
|
|
629 (kill-buffer tmp-buf-nm))
|
|
|
630 (get-buffer-create tmp-buf-nm))))
|
|
|
631 (or tmp-buf (error "OO-Browser: (java-func-args-string) - Can't create tmp-buf."))
|
|
|
632 ;; Fill tmp-buffer with all func-args, including parens.
|
|
|
633 (copy-to-buffer tmp-buf (car func-args) (cdr func-args))
|
|
|
634
|
|
|
635 (set-buffer tmp-buf)
|
|
|
636 (let ((quoted-args (br-regexp-quote (buffer-substring
|
|
|
637 (point-min) (point-max)))))
|
|
|
638 (erase-buffer)
|
|
|
639 (insert quoted-args))
|
|
|
640
|
|
|
641 (goto-char (point-min))
|
|
|
642 (if (looking-at "(\\s-*)")
|
|
|
643 (replace-match "(\\\\s-*)" t)
|
|
|
644
|
|
|
645 ;; Replace all "\( +" with "\(" temporarily
|
|
|
646 (br-buffer-replace "\\(^\\|[^\\]\\)\([ \t\n]+" "\\1\(")
|
|
|
647
|
|
|
648 ;; Replace all "+ \)" with "\)" temporarily
|
|
|
649 (br-buffer-replace "[ \t\n]+\)" "\)")
|
|
|
650
|
|
|
651 ;; Replace all "...\)" with "@@@" temporarily
|
|
|
652 (br-buffer-replace "\\\\\\.\\\\\\.\\\\\\.\)" "@@@")
|
|
|
653
|
|
|
654 ;; Optionalize right hand side of argument assignments.
|
|
|
655 (br-buffer-replace "\\([^=,\( \t\n]+\\)\\([ \t\n]+=[^,\)]+\\)"
|
|
|
656 (concat "\\1\\\\(\\2\\\\)?"))
|
|
|
657
|
|
|
658 ;; If an arg consists of 2 or more words, replace last with <identifier>
|
|
|
659 (br-buffer-replace
|
|
|
660 "\\([\(,][^=,\)]*[^ \t\n=,\)]+[ \t\n]+\\)[^ \t\n=,\)]+\\([ \t\n]*[,\)]\\)"
|
|
|
661 (concat "\\1" (br-regexp-quote java-arg-identifier) "\\2"))
|
|
|
662
|
|
|
663 ;; If an arg consists of only 1 word, add a second
|
|
|
664 (br-buffer-replace
|
|
|
665 "\\([\(,][ \t\n]*\\)\\([^ \t\n=,\)]+\\)\\([ \t\n]*[,\)]\\)"
|
|
|
666 (concat "\\1\\2 " (br-regexp-quote java-arg-identifier) "\\3"))
|
|
|
667
|
|
|
668 ;; Replace all " *, *" with "<spc>,<spc>"
|
|
|
669 (br-buffer-replace "[ \t\n]*,[ \t\n]*" (concat space "," space))
|
|
|
670
|
|
|
671 ;; Replace all " +" with "<spc>"
|
|
|
672 (br-buffer-replace "[ \t\n]+" space)
|
|
|
673
|
|
|
674 ;; Replace all "\(" with "\(<spc>"
|
|
|
675 (br-buffer-replace "\\(^\\|[^\\]\\)\(" (concat "\\1\(" space))
|
|
|
676
|
|
|
677 ;; Replace all "\)" with "<spc>\)"
|
|
|
678 (br-buffer-replace "\\([^\\]\\)\)" (concat "\\1" space "\)"))
|
|
|
679
|
|
|
680 ;; Replace all "<spc>" with "[ \t\n]*"
|
|
|
681 (br-buffer-replace "\\\\s-\\*" "[ \t\n]*")
|
|
|
682
|
|
|
683 ;; Replace all "@@@" with any # of args
|
|
|
684 (br-buffer-replace "@@@" "[^\)]*\)")
|
|
|
685 )
|
|
|
686
|
|
|
687 ;; Return final buffer as a string.
|
|
|
688 (prog1 (buffer-substring (point-min) (point-max))
|
|
|
689 (kill-buffer tmp-buf-nm)
|
|
|
690 (set-buffer obuf))))
|
|
|
691
|
|
|
692 (defun java-get-class-name-from-source ()
|
|
|
693 "Return class name from closest class definition preceding point or nil."
|
|
|
694 (let ((opoint (point))
|
|
|
695 (class))
|
|
|
696 (save-excursion
|
|
|
697 (if (re-search-backward java-class-def-regexp nil t)
|
|
|
698 (progn (goto-char (match-beginning java-class-def-derived-grpn))
|
|
|
699 (setq class (java-normalize-class-match))
|
|
|
700 ;; Ensure that declaration occurs within class definition.
|
|
|
701 (forward-list)
|
|
|
702 (and (> (point) opoint)
|
|
|
703 class))))))
|
|
|
704
|
|
70
|
705 (defun java-get-feature-tags (routine-file &optional routine-list)
|
|
|
706 "Scan java ROUTINE-FILE and hold routine tags in 'br-feature-tags-file'.
|
|
|
707 Assume ROUTINE-FILE has already been read into a buffer and that
|
|
|
708 'br-feature-tags-init' has been called. Optional ROUTINE-LIST can be
|
|
0
|
709 provided so that a non-standard scan function can be used before calling
|
|
|
710 this function."
|
|
|
711 (interactive)
|
|
|
712 (let ((obuf (current-buffer)))
|
|
|
713 (set-buffer (funcall br-find-file-noselect-function br-feature-tags-file))
|
|
|
714 (goto-char 1)
|
|
70
|
715 ;; Delete any prior routine tags associated with routine-file
|
|
|
716 (if (search-forward routine-file nil 'end)
|
|
0
|
717 (progn (forward-line -1)
|
|
|
718 (let ((start (point)))
|
|
|
719 (search-forward "\^L" nil 'end 2)
|
|
|
720 (backward-char 1)
|
|
|
721 (delete-region start (point))
|
|
|
722 )))
|
|
70
|
723 (if routine-list
|
|
|
724 (progn (insert "\^L\n" routine-file "\n")
|
|
0
|
725 (mapcar (function (lambda (tag) (insert tag "\n")))
|
|
70
|
726 routine-list)
|
|
0
|
727 ))
|
|
|
728 (set-buffer obuf)))
|
|
|
729
|
|
70
|
730 (defun java-include-file (&optional other-win)
|
|
|
731 "If point is on an include file line, try to display file.
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|
732 Return non-nil iff an include file line, even if file is not found.
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|
733 Look for include file in 'java-cpp-include-dirs' and in directory list
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|
734 'java-include-dirs'."
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|
735 (let ((opoint (point)))
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|
736 (beginning-of-line)
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|
737 (if (looking-at java-include-regexp)
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|
738 (let ((incl-type (string-to-char
|
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|
739 (buffer-substring (match-beginning 1)
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|
740 (1+ (match-beginning 1)))))
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|
741 (file (buffer-substring (match-beginning 2) (match-end 2)))
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|
742 (path)
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|
743 (dir-list java-include-dirs)
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|
744 (found))
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|
745 (goto-char opoint)
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|
746 (setq dir-list (if (= incl-type ?<)
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|
747 (append dir-list java-cpp-include-dirs)
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|
748 (cons (file-name-directory buffer-file-name)
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749 dir-list)))
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|
|
750 (while dir-list
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751 (setq path (concat (car dir-list) file)
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752 dir-list (if (setq found (file-exists-p path))
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753 nil
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|
754 (cdr dir-list))))
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755 ;;
|
|
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756 ;; If not found in normal include dirs, check all Env paths also.
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757 ;;
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|
|
758 (if (not found)
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759 (let ((paths (delq nil (hash-map 'cdr br-paths-htable))))
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760 (while paths
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|
761 (setq path (car paths))
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762 (if (string-equal (file-name-nondirectory path) file)
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763 (setq found t paths nil)
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764 (setq paths (cdr paths))))))
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|
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765 ;;
|
|
|
766 ;; If found, display file
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767 ;;
|
|
|
768 (if found
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|
769 (if (file-readable-p path)
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770 (progn
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|
|
771 (funcall br-edit-file-function path other-win)
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772 (if (not (fboundp 'br-lang-mode))
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|
773 (java-mode-setup))
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774 (br-major-mode))
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775 (beep)
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776 (message "(OO-Browser): Include file '%s' unreadable." path))
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|
777 (beep)
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|
778 (message "(OO-Browser): Include file '%s' not found." file))
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779 path)
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|
|
780 (goto-char opoint)
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|
|
781 nil)))
|
|
|
782
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|
0
|
783 (defun java-locate-feature (ftr class ftr-pat &optional other-win)
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|
784 ;; 'class' may = nil, implying non-member function
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785 (or class (setq class "[function]"))
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786 (let ((def-class))
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787 (if (and ftr-pat
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788 (setq def-class
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789 (java-find-ancestors-feature (list class)
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790 ftr-pat other-win)))
|
|
|
791 (progn (if (and class (not (equal class def-class)))
|
|
|
792 (message
|
|
|
793 "Member `%s` of class '%s' inherited from class '%s'."
|
|
|
794 ftr class def-class))
|
|
|
795 t))))
|
|
|
796
|
|
|
797 (defun java-scan-ancestors-feature (class-list ftr-pat &optional other-win)
|
|
70
|
798 "Display routine definition derived from CLASS-LIST, matching FTR-PAT.
|
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0
|
799 Scan files with same base name as class file."
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|
|
800 (let ((classes class-list)
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|
|
801 (found-ftr)
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802 (code-def-files)
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|
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803 (file)
|
|
|
804 (ftr-regexp)
|
|
|
805 (class))
|
|
|
806 (if (null class-list)
|
|
|
807 nil
|
|
|
808 (while (and (not found-ftr) classes)
|
|
|
809 (setq class (car classes)
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|
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810 code-def-files (java-files-with-source class)
|
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|
811 ftr-regexp (funcall ftr-pat class))
|
|
|
812 (while (and (setq file (car code-def-files))
|
|
|
813 (not (setq found-ftr
|
|
|
814 (br-feature-found-p file ftr-regexp
|
|
|
815 nil other-win t))))
|
|
|
816 (setq code-def-files (cdr code-def-files)))
|
|
|
817 (setq classes (if found-ftr nil (cdr classes))))
|
|
|
818 (if found-ftr
|
|
|
819 (or class t)
|
|
|
820 (java-scan-ancestors-feature
|
|
|
821 (apply 'append (mapcar (function (lambda (cl) (br-get-parents cl)))
|
|
|
822 class-list))
|
|
|
823 ftr-pat)))))
|
|
|
824
|
|
|
825 (defun java-scan-features (class start end)
|
|
70
|
826 "Return reverse ordered list of java routine definitions within CLASS def.
|
|
|
827 START and END give buffer region to search."
|
|
0
|
828 (setq class (br-delete-space class))
|
|
|
829 (save-excursion
|
|
|
830 (save-restriction
|
|
|
831 (narrow-to-region start end)
|
|
|
832 (goto-char start)
|
|
70
|
833 (let ((routines) rout name)
|
|
0
|
834 ;;
|
|
|
835 ;; Get member definitions and abstract method declarations.
|
|
70
|
836 ;;
|
|
|
837 (while (re-search-forward java-routine-def nil t)
|
|
0
|
838 (setq start (match-beginning 0)
|
|
|
839 name (buffer-substring
|
|
|
840 (match-beginning java-feature-name-grpn)
|
|
|
841 (match-end java-feature-name-grpn))
|
|
70
|
842 rout (buffer-substring (match-beginning 0) (match-end 0)))
|
|
0
|
843 ;; This is necessary to remove a possible double expression match
|
|
|
844 ;; where there is a blank line within the match.
|
|
70
|
845 (if (string-match "[\n\^M]\\([ \t]*[\n\^M]\\)+" rout)
|
|
|
846 (progn (setq rout (substring rout (match-end 0)))
|
|
0
|
847 (goto-char (+ start (match-end 0))))
|
|
|
848 (if (c-within-comment-p)
|
|
|
849 (search-forward "*/" nil t)
|
|
70
|
850 ;; Move point to precede feature opening brace or abstract
|
|
|
851 ;; method declaration semicolon.
|
|
0
|
852 (backward-char)
|
|
70
|
853 (if (= (following-char) ?\{)
|
|
|
854 (condition-case ()
|
|
|
855 ;; Move to end of feature but ignore any error if braces
|
|
|
856 ;; are unbalanced. Let the compiler tell the user about
|
|
|
857 ;; this.
|
|
|
858 (forward-sexp)
|
|
|
859 (error nil)))
|
|
|
860 (setq rout (java-feature-normalize rout class name)
|
|
|
861 routines (cons rout routines)))))
|
|
|
862 routines))))
|
|
0
|
863
|
|
|
864 (defun java-skip-to-statement ()
|
|
|
865 (if (re-search-backward "\\(^\\|[;{}]\\)[ \t]*" nil t)
|
|
|
866 (progn (goto-char (match-end 0))
|
|
|
867 (skip-chars-forward " \t")
|
|
|
868 t)))
|
|
|
869
|
|
|
870 ;;; ************************************************************************
|
|
|
871 ;;; Private variables
|
|
|
872 ;;; ************************************************************************
|
|
|
873
|
|
70
|
874 (defconst java-code-file-regexp "\\.java$"
|
|
|
875 "Regular expression matching a unique part of java source (non-header) file name and no others.")
|
|
|
876
|
|
|
877 (defconst java-include-regexp
|
|
|
878 "[ \t/*]*import[ \t]+\\([^;]+\\)"
|
|
|
879 "Regexp to match to java include file lines. File name is grouping 2. Type
|
|
|
880 of include, user-specified via double quote, or system-related starting with
|
|
|
881 '<' is given by grouping 1.")
|
|
0
|
882
|
|
|
883 (defconst java-type-def-modifier
|
|
|
884 "\\(const\\|final\\|static\\|abstract\\|public\\|protected\\|private\\)")
|
|
|
885
|
|
|
886 (defconst java-type-modifier-keyword
|
|
|
887 (concat "\\(\\(public\\|protected\\|private\\|const\\|abstract\\|"
|
|
70
|
888 "synchronized\\|final\\|static\\|threadsafe\\|transient\\|"
|
|
|
889 "native\\)[ \t\n\^M]+\\)"))
|
|
0
|
890
|
|
|
891 (defconst java-type-identifier-group
|
|
|
892 (concat "\\(\\(" java-return-type-identifier "\\)[ \t\n\^M]+\\)"))
|
|
|
893
|
|
|
894 (defconst java-function-identifier (concat
|
|
|
895 "[_a-zA-Z][^][ \t:;.,{}()=]*")
|
|
|
896 "Regular expression matching a Java function name.")
|
|
|
897
|
|
|
898 (defconst java-arg-identifier
|
|
|
899 (concat "[_a-zA-Z][" java-identifier-chars "]*")
|
|
|
900 "Regular expression matching a Java function argument identifier.")
|
|
|
901
|
|
|
902 (defconst java-feature-decl-or-def
|
|
|
903 (concat "^[ \t]*\\(" java-type-modifier-keyword "*"
|
|
|
904 java-type-identifier-group "\\)?"
|
|
|
905 "\\(" java-type-identifier "[ \t\n\^M]*\\)?"
|
|
|
906 "\\(" java-function-identifier "\\|" java-identifier "\\)"
|
|
70
|
907 ;; It's hard to tell arguments from parenthesized initializing
|
|
0
|
908 ;; expressions.
|
|
70
|
909 "[ \t\n\^M]*(\\([^);{}]*\\))\\([][]*\\)"
|
|
|
910 ;; Optional exceptions that a feature can throw.
|
|
|
911 "\\([ \t\n\^M]+throws[ \t\n\^M]+\\("
|
|
0
|
912 java-identifier "[, \t\n\^M]*\\)+\\)?"
|
|
|
913 )
|
|
|
914 "Regexp matching a java member declaration or definition.
|
|
|
915 Member modifier keywords are grouped expression 'java-feature-mode-grpn'.
|
|
|
916 Member type is grouped expression 'java-feature-type-grpn'. Member name is
|
|
|
917 group 'java-feature-name-grpn'. Function parentheses, if any, are group
|
|
|
918 'java-feature-parens-grpn'. Comma separated list of exceptions that can be
|
|
|
919 thrown by a function are group 'java-feature-exceptions-grpn'.")
|
|
|
920
|
|
|
921 (defconst java-feature-mod-grpn 2)
|
|
|
922 (defconst java-feature-type-grpn 5)
|
|
|
923 (defconst java-feature-name-grpn 9)
|
|
|
924 (defconst java-feature-parens-grpn 11)
|
|
|
925 (defconst java-feature-exceptions-grpn 14)
|
|
|
926
|
|
|
927 (defconst java-at-feature-regexp
|
|
|
928 (concat java-feature-decl-or-def "[ \t\n]*")
|
|
|
929 "See documentation of 'java-feature-decl-or-def' for grouping expressions.")
|
|
|
930
|
|
|
931 (defconst java-feature-decl
|
|
70
|
932 (concat java-at-feature-regexp "[;{]")
|
|
|
933 "See documentation of 'java-feature-decl-or-def' for grouping expressions.")
|
|
|
934
|
|
|
935 (defconst java-routine-def-terminator-regexp
|
|
|
936 ;; Also matches to abstract method declarations.
|
|
|
937 ;; Only native and abstract functions end with a semi-colon.
|
|
|
938 "\\({\\|;\\)")
|
|
0
|
939
|
|
|
940 (defconst java-routine-def
|
|
70
|
941 (concat java-at-feature-regexp java-routine-def-terminator-regexp)
|
|
|
942 "See documentation of 'java-feature-decl-or-def' for grouping expressions.")
|
|
0
|
943
|
|
|
944 (defconst java-class-decl
|
|
|
945 (concat java-class-modifier-keyword
|
|
|
946 java-class-keyword java-identifier "[ \t]*[;,]")
|
|
|
947 "Regexp matching a java class declaration.
|
|
|
948 Class name is grouping 'java-class-name-grpn'.")
|
|
|
949
|
|
|
950 (defconst java-class-name-grpn 4)
|
|
|
951
|
|
70
|
952 ;; Old def was: "\\(^\\|[ \t\n\^M]\\)abstract[ \t\n\^M][^;{}]+;"
|
|
|
953 (defconst java-abstract-method-regexp ";\\'"
|
|
0
|
954 "Regexp matching a Java abstract method signature.")
|
|
|
955
|
|
70
|
956 (defconst java-native-method-regexp "\\(^\\|[ \t\n\^M]\\)native[ \t\n\^M][^;{}]+;"
|
|
0
|
957 "Regexp matching a Java native method signature, one implemented in another language.")
|
|
|
958
|
|
|
959 (provide 'br-java-ft)
|
