adamc@350
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1 ;;; urweb-mode.el --- Major mode for editing (Standard) ML
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2
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3 ;; Based on sml-mode:
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4 ;; Copyright (C) 1999,2000,2004 Stefan Monnier
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5 ;; Copyright (C) 1994-1997 Matthew J. Morley
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6 ;; Copyright (C) 1989 Lars Bo Nielsen
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7 ;;
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8 ;; Modified for urweb-mode:
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9 ;; Copyright (C) 2008 Adam Chlipala <adamc@hcoop.net>
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10
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11 ;; Author: Lars Bo Nielsen
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12 ;; Olin Shivers
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13 ;; Fritz Knabe (?)
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14 ;; Steven Gilmore (?)
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15 ;; Matthew Morley <mjm@scs.leeds.ac.uk> (aka <matthew@verisity.com>)
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16 ;; Matthias Blume <blume@cs.princeton.edu> (aka <blume@kurims.kyoto-u.ac.jp>)
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17 ;; (Stefan Monnier) monnier@cs.yale.edu
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18 ;; Adam Chlipala
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19
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20 ;; This file is not part of GNU Emacs, but it is distributed under the
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21 ;; same conditions.
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22
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23 ;; This program is free software; you can redistribute it and/or
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24 ;; modify it under the terms of the GNU General Public License as
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25 ;; published by the Free Software Foundation; either version 2, or (at
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26 ;; your option) any later version.
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27
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28 ;; This program is distributed in the hope that it will be useful, but
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29 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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30 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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31 ;; General Public License for more details.
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32
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33 ;; You should have received a copy of the GNU General Public License
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34 ;; along with GNU Emacs; see the file COPYING. If not, write to the
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35 ;; Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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36
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37 ;;; Commentary:
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38
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39 ;;; HISTORY
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40
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41 ;; Still under construction: History obscure, needs a biographer as
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42 ;; well as a M-x doctor. Change Log on request.
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43
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44 ;; Hacked by Olin Shivers for comint from Lars Bo Nielsen's sml.el.
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45
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46 ;; Hacked by Matthew Morley to incorporate Fritz Knabe's hilite and
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47 ;; font-lock patterns, some of Steven Gilmore's (reduced) easy-menus,
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48 ;; and numerous bugs and bug-fixes.
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49
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50 ;;; DESCRIPTION
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51
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52 ;; See accompanying info file: urweb-mode.info
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53
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54 ;;; FOR YOUR .EMACS FILE
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55
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56 ;; If urweb-mode.el lives in some non-standard directory, you must tell
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57 ;; emacs where to get it. This may or may not be necessary:
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58
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59 ;; (add-to-list 'load-path "~jones/lib/emacs/")
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60
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61 ;; Then to access the commands autoload urweb-mode with that command:
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62
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63 ;; (load "urweb-mode-startup")
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64
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65 ;; urweb-mode-hook is run whenever a new urweb-mode buffer is created.
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66
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adamc@350
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67 ;;; Code:
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68
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69 (eval-when-compile (require 'cl))
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70 (require 'urweb-util)
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71 (require 'urweb-move)
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72 (require 'urweb-defs)
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73 (condition-case nil (require 'skeleton) (error nil))
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74
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75 ;;; VARIABLES CONTROLLING INDENTATION
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76
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77 (defcustom urweb-indent-level 4
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78 "*Indentation of blocks in Ur/Web (see also `urweb-structure-indent')."
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79 :group 'urweb
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80 :type '(integer))
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81
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82 (defcustom urweb-indent-args urweb-indent-level
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83 "*Indentation of args placed on a separate line."
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84 :group 'urweb
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85 :type '(integer))
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86
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87 (defcustom urweb-electric-semi-mode nil
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88 "*If non-nil, `\;' will self insert, reindent the line, and do a newline.
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89 If nil, just insert a `\;'. (To insert while t, do: \\[quoted-insert] \;)."
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90 :group 'urweb
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91 :type 'boolean)
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92
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93 (defcustom urweb-rightalign-and t
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94 "If non-nil, right-align `and' with its leader.
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95 If nil: If t:
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96 datatype a = A datatype a = A
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97 and b = B and b = B"
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98 :group 'urweb
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99 :type 'boolean)
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100
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101 ;;; OTHER GENERIC MODE VARIABLES
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102
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103 (defvar urweb-mode-info "urweb-mode"
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104 "*Where to find Info file for `urweb-mode'.
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105 The default assumes the info file \"urweb-mode.info\" is on Emacs' info
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106 directory path. If it is not, either put the file on the standard path
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107 or set the variable `urweb-mode-info' to the exact location of this file
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108
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109 (setq urweb-mode-info \"/usr/me/lib/info/urweb-mode\")
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110
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111 in your .emacs file. You can always set it interactively with the
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112 set-variable command.")
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113
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114 (defvar urweb-mode-hook nil
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115 "*Run upon entering `urweb-mode'.
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116 This is a good place to put your preferred key bindings.")
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117
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118 ;;; CODE FOR Ur/Web-MODE
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119
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adamc@350
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120 (defun urweb-mode-info ()
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121 "Command to access the TeXinfo documentation for `urweb-mode'.
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122 See doc for the variable `urweb-mode-info'."
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123 (interactive)
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124 (require 'info)
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125 (condition-case nil
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126 (info urweb-mode-info)
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127 (error (progn
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128 (describe-variable 'urweb-mode-info)
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129 (message "Can't find it... set this variable first!")))))
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130
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131
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132 ;; font-lock setup
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133
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134 (defconst urweb-keywords-regexp
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135 (urweb-syms-re "and" "case" "class" "con" "constraint" "constraints"
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136 "datatype" "else" "end" "extern" "fn" "map"
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137 "fun" "functor" "if" "include"
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138 "of" "open" "let" "in"
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139 "rec" "sequence" "sig" "signature" "cookie" "style" "task" "policy"
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140 "struct" "structure" "table" "view" "then" "type" "val" "where"
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141 "with"
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142
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143 "Name" "Type" "Unit")
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144 "A regexp that matches any non-SQL keywords of Ur/Web.")
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145
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146 (defconst urweb-sql-keywords-regexp
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147 (urweb-syms-re "SELECT" "DISTINCT" "FROM" "AS" "WHERE" "SQL" "GROUP" "ORDER" "BY"
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148 "HAVING" "LIMIT" "OFFSET" "ALL" "UNION" "INTERSECT" "EXCEPT"
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149 "TRUE" "FALSE" "AND" "OR" "NOT" "COUNT" "AVG" "SUM" "MIN" "MAX"
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150 "ASC" "DESC" "INSERT" "INTO" "VALUES" "UPDATE" "SET" "DELETE"
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151 "PRIMARY" "KEY" "CONSTRAINT" "UNIQUE" "CHECK"
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152 "FOREIGN" "REFERENCES" "ON" "NO" "ACTION" "CASCADE" "RESTRICT" "NULL"
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153 "JOIN" "INNER" "OUTER" "LEFT" "RIGHT" "FULL" "CROSS" "SELECT1")
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154 "A regexp that matches SQL keywords.")
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155
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156 (defconst urweb-lident-regexp "\\<[a-z_][A-Za-z0-9_']*\\>"
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157 "A regexp that matches lowercase Ur/Web identifiers.")
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158
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159 (defconst urweb-cident-regexp "\\<[A-Z][A-Za-z0-9_']*\\>"
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160 "A regexp that matches uppercase Ur/Web identifiers.")
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161
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162 ;;; Font-lock settings ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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163
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164 ;; The font lock regular expressions.
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165
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adamc@363
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166 (defun urweb-in-xml ()
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167 (save-excursion
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168 (let (
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169 (depth 0)
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170 (finished nil)
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171 (answer nil)
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172 )
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173 (while (and (not finished) (re-search-backward "[<{}]" nil t))
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174 (cond
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175 ((looking-at "{")
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176 (if (> depth 0)
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177 (decf depth)
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178 (setq finished t)))
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179 ((looking-at "}")
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180 (incf depth))
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181 ((looking-at "<xml>")
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182 (if (> depth 0)
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183 (decf depth)
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184 (progn
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185 (setq answer t)
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186 (setq finished t))))
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187 ((looking-at "</xml>")
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188 (incf depth))))
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189 answer)))
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190
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191 (defun amAttribute (face)
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192 (if (ignore-errors (save-excursion (backward-word 2) (backward-char 1) (looking-at "<")))
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193 nil
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194 face))
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195
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196 (defconst urweb-font-lock-keywords
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197 `(;;(urweb-font-comments-and-strings)
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198 ("\\(<\\sw+\\)\\(\\s-\\|\\sw\\|=\\|\"[^\"]*\"\\|{[^}]*}\\)*\\(/?>\\)"
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199 (1 font-lock-tag-face)
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200 (3 font-lock-tag-face))
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201 ("\\(</\\sw+>\\)"
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202 (1 font-lock-tag-face))
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203 ("\\([^<>{}]+\\)"
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204 (1 (if (urweb-in-xml)
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205 font-lock-string-face
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206 nil)))
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207
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208 ("\\<\\(fun\\|and\\)\\s-+\\(\\sw+\\)\\s-+[^ \t\n=]"
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209 (1 font-lock-keyword-face)
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210 (2 (amAttribute font-lock-function-name-face)))
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211 ("\\<\\(\\(data\\)?type\\|con\\|class\\)\\s-+\\(\\sw+\\)"
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212 (1 font-lock-keyword-face)
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213 (3 (amAttribute font-lock-type-def-face)))
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214 ("\\<\\(val\\|table\\|sequence\\|cookie\\|style\\|task\\|policy\\)\\s-+\\(\\sw+\\>\\s-*\\)?\\(\\sw+\\)\\s-*[=:]"
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215 (1 font-lock-keyword-face)
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216 (3 (amAttribute font-lock-variable-name-face)))
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217 ("\\<\\(structure\\|functor\\)\\s-+\\(\\sw+\\)"
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218 (1 font-lock-keyword-face)
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219 (2 (amAttribute font-lock-module-def-face)))
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220 ("\\<\\(signature\\)\\s-+\\(\\sw+\\)"
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221 (1 font-lock-keyword-face)
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222 (2 (amAttribute font-lock-interface-def-face)))
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223
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224 (,urweb-keywords-regexp . font-lock-keyword-face)
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225 (,urweb-sql-keywords-regexp . font-lock-sql-face)
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226 (,urweb-cident-regexp . font-lock-cvariable-face))
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227 "Regexps matching standard Ur/Web keywords.")
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228
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229 (defface font-lock-type-def-face
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230 '((t (:bold t)))
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231 "Font Lock mode face used to highlight type definitions."
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232 :group 'font-lock-highlighting-faces)
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233 (defvar font-lock-type-def-face 'font-lock-type-def-face
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234 "Face name to use for type definitions.")
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235
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adamc@350
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236 (defface font-lock-module-def-face
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237 '((t (:bold t)))
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238 "Font Lock mode face used to highlight module definitions."
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239 :group 'font-lock-highlighting-faces)
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240 (defvar font-lock-module-def-face 'font-lock-module-def-face
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241 "Face name to use for module definitions.")
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242
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adamc@350
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243 (defface font-lock-interface-def-face
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244 '((t (:bold t)))
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245 "Font Lock mode face used to highlight interface definitions."
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246 :group 'font-lock-highlighting-faces)
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247 (defvar font-lock-interface-def-face 'font-lock-interface-def-face
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248 "Face name to use for interface definitions.")
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249
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adamc@350
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250 (defface font-lock-sql-face
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251 '((t (:bold t)))
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252 "Font Lock mode face used to highlight SQL keywords."
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253 :group 'font-lock-highlighting-faces)
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254 (defvar font-lock-sql-face 'font-lock-sql-face
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255 "Face name to use for SQL keywords.")
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256
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257 (defface font-lock-cvariable-face
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258 '((t (:foreground "dark blue")))
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259 "Font Lock mode face used to highlight capitalized identifiers."
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260 :group 'font-lock-highlighting-faces)
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261 (defvar font-lock-cvariable-face 'font-lock-cvariable-face
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262 "Face name to use for capitalized identifiers.")
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263
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adamc@357
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264 (defface font-lock-tag-face
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265 '((t (:bold t)))
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adamc@357
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266 "Font Lock mode face used to highlight XML tags."
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267 :group 'font-lock-highlighting-faces)
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adamc@357
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268 (defvar font-lock-tag-face 'font-lock-tag-face
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269 "Face name to use for XML tags.")
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270
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adamc@358
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271 (defface font-lock-attr-face
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272 '((t (:bold t)))
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adamc@358
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273 "Font Lock mode face used to highlight XML attributes."
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274 :group 'font-lock-highlighting-faces)
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275 (defvar font-lock-attr-face 'font-lock-attr-face
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276 "Face name to use for XML attributes.")
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277
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278 ;;
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279 ;; Code to handle nested comments and unusual string escape sequences
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280 ;;
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281
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adamc@350
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282 (defsyntax urweb-syntax-prop-table
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283 '((?\\ . ".") (?* . "."))
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284 "Syntax table for text-properties")
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285
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adamc@350
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286 ;; For Emacsen that have no built-in support for nested comments
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287 (defun urweb-get-depth-st ()
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288 (save-excursion
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289 (let* ((disp (if (eq (char-before) ?\)) (progn (backward-char) -1) nil))
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290 (_ (backward-char))
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291 (disp (if (eq (char-before) ?\() (progn (backward-char) 0) disp))
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292 (pt (point)))
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293 (when disp
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294 (let* ((depth
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295 (save-match-data
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adamc@350
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296 (if (re-search-backward "\\*)\\|(\\*" nil t)
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297 (+ (or (get-char-property (point) 'comment-depth) 0)
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adamc@350
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298 (case (char-after) (?\( 1) (?* 0))
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299 disp)
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300 0)))
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adamc@350
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301 (depth (if (> depth 0) depth)))
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adamc@350
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302 (put-text-property pt (1+ pt) 'comment-depth depth)
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303 (when depth urweb-syntax-prop-table))))))
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304
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adamc@350
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305 (defconst urweb-font-lock-syntactic-keywords
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306 `(("^\\s-*\\(\\\\\\)" (1 ',urweb-syntax-prop-table))
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307 ,@(unless urweb-builtin-nested-comments-flag
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308 '(("(?\\(\\*\\))?" (1 (urweb-get-depth-st)))))))
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309
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adamc@350
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310 (defconst urweb-font-lock-defaults
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311 '(urweb-font-lock-keywords nil nil ((?_ . "w") (?' . "w")) nil
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312 (font-lock-syntactic-keywords . urweb-font-lock-syntactic-keywords)))
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313
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adamc@350
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314 ;;;;
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adamc@350
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315 ;;;; Imenu support
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adamc@350
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316 ;;;;
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317
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adamc@350
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318 (defvar urweb-imenu-regexp
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adamc@350
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319 (concat "^[ \t]*\\(let[ \t]+\\)?"
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adamc@350
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320 (regexp-opt (append urweb-module-head-syms
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321 '("and" "fun" "datatype" "type")) t)
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322 "\\>"))
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323
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adamc@350
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324 (defun urweb-imenu-create-index ()
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adamc@350
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325 (let (alist)
|
adamc@350
|
326 (goto-char (point-max))
|
adamc@350
|
327 (while (re-search-backward urweb-imenu-regexp nil t)
|
adamc@350
|
328 (save-excursion
|
adamc@350
|
329 (let ((kind (match-string 2))
|
adamc@350
|
330 (column (progn (goto-char (match-beginning 2)) (current-column)))
|
adamc@350
|
331 (location
|
adamc@350
|
332 (progn (goto-char (match-end 0))
|
adamc@350
|
333 (urweb-forward-spaces)
|
adamc@350
|
334 (when (looking-at urweb-tyvarseq-re)
|
adamc@350
|
335 (goto-char (match-end 0)))
|
adamc@350
|
336 (point)))
|
adamc@350
|
337 (name (urweb-forward-sym)))
|
adamc@350
|
338 ;; Eliminate trivial renamings.
|
adamc@350
|
339 (when (or (not (member kind '("structure" "signature")))
|
adamc@350
|
340 (progn (search-forward "=")
|
adamc@350
|
341 (urweb-forward-spaces)
|
adamc@350
|
342 (looking-at "sig\\|struct")))
|
adamc@350
|
343 (push (cons (concat (make-string (/ column 2) ?\ ) name) location)
|
adamc@350
|
344 alist)))))
|
adamc@350
|
345 alist))
|
adamc@350
|
346
|
adamc@350
|
347 ;;; MORE CODE FOR URWEB-MODE
|
adamc@350
|
348
|
adamc@350
|
349 ;;;###autoload (add-to-list 'load-path (file-name-directory load-file-name))
|
adamc@350
|
350 ;;;###autoload
|
adamc@362
|
351 (add-to-list 'auto-mode-alist '("\\.urs?\\'" . urweb-mode))
|
adamc@350
|
352
|
adamc@350
|
353 ;;;###autoload
|
adamc@350
|
354 (define-derived-mode urweb-mode fundamental-mode "Ur/Web"
|
adamc@350
|
355 "\\<urweb-mode-map>Major mode for editing Ur/Web code.
|
adamc@350
|
356 This mode runs `urweb-mode-hook' just before exiting.
|
adamc@350
|
357 \\{urweb-mode-map}"
|
adamc@350
|
358 (set (make-local-variable 'font-lock-defaults) urweb-font-lock-defaults)
|
adamc@358
|
359 (set (make-local-variable 'font-lock-multiline) 'undecided)
|
adamc@350
|
360 (set (make-local-variable 'outline-regexp) urweb-outline-regexp)
|
adamc@350
|
361 (set (make-local-variable 'imenu-create-index-function)
|
adamc@350
|
362 'urweb-imenu-create-index)
|
adamc@350
|
363 (set (make-local-variable 'add-log-current-defun-function)
|
adamc@350
|
364 'urweb-current-fun-name)
|
adamc@350
|
365 ;; Treat paragraph-separators in comments as paragraph-separators.
|
adamc@350
|
366 (set (make-local-variable 'paragraph-separate)
|
adamc@350
|
367 (concat "\\([ \t]*\\*)?\\)?\\(" paragraph-separate "\\)"))
|
adamc@350
|
368 (set (make-local-variable 'require-final-newline) t)
|
adamc@350
|
369 ;; forward-sexp-function is an experimental variable in my hacked Emacs.
|
adamc@350
|
370 (set (make-local-variable 'forward-sexp-function) 'urweb-user-forward-sexp)
|
adamc@350
|
371 ;; For XEmacs
|
adamc@350
|
372 (easy-menu-add urweb-mode-menu)
|
adamc@358
|
373
|
adamc@350
|
374 ;; Compatibility. FIXME: we should use `-' in Emacs-CVS.
|
adamc@350
|
375 (unless (boundp 'skeleton-positions) (set (make-local-variable '@) nil))
|
adamc@358
|
376
|
adamc@360
|
377 (urweb-mode-variables))
|
adamc@350
|
378
|
adamc@350
|
379 (defun urweb-mode-variables ()
|
adamc@350
|
380 (set-syntax-table urweb-mode-syntax-table)
|
adamc@350
|
381 (setq local-abbrev-table urweb-mode-abbrev-table)
|
adamc@350
|
382 ;; A paragraph is separated by blank lines or ^L only.
|
adamc@350
|
383
|
adamc@350
|
384 (set (make-local-variable 'indent-line-function) 'urweb-indent-line)
|
adamc@350
|
385 (set (make-local-variable 'comment-start) "(* ")
|
adamc@350
|
386 (set (make-local-variable 'comment-end) " *)")
|
adamc@350
|
387 (set (make-local-variable 'comment-nested) t)
|
adamc@350
|
388 ;;(set (make-local-variable 'block-comment-start) "* ")
|
adamc@350
|
389 ;;(set (make-local-variable 'block-comment-end) "")
|
adamc@350
|
390 ;; (set (make-local-variable 'comment-column) 40)
|
adamc@350
|
391 (set (make-local-variable 'comment-start-skip) "(\\*+\\s-*"))
|
adamc@350
|
392
|
adamc@350
|
393 (defun urweb-funname-of-and ()
|
adamc@350
|
394 "Name of the function this `and' defines, or nil if not a function.
|
adamc@350
|
395 Point has to be right after the `and' symbol and is not preserved."
|
adamc@350
|
396 (urweb-forward-spaces)
|
adamc@350
|
397 (if (looking-at urweb-tyvarseq-re) (goto-char (match-end 0)))
|
adamc@350
|
398 (let ((sym (urweb-forward-sym)))
|
adamc@350
|
399 (urweb-forward-spaces)
|
adamc@350
|
400 (unless (or (member sym '(nil "d="))
|
adamc@350
|
401 (member (urweb-forward-sym) '("d=")))
|
adamc@350
|
402 sym)))
|
adamc@350
|
403
|
adamc@350
|
404 ;;; INDENTATION !!!
|
adamc@350
|
405
|
adamc@350
|
406 (defun urweb-mark-function ()
|
adamc@350
|
407 "Synonym for `mark-paragraph' -- sorry.
|
adamc@350
|
408 If anyone has a good algorithm for this..."
|
adamc@350
|
409 (interactive)
|
adamc@350
|
410 (mark-paragraph))
|
adamc@350
|
411
|
adamc@350
|
412 (defun urweb-indent-line ()
|
adamc@350
|
413 "Indent current line of Ur/Web code."
|
adamc@350
|
414 (interactive)
|
adamc@350
|
415 (let ((savep (> (current-column) (current-indentation)))
|
adamc@350
|
416 (indent (max (or (ignore-errors (urweb-calculate-indentation)) 0) 0)))
|
adamc@350
|
417 (if savep
|
adamc@350
|
418 (save-excursion (indent-line-to indent))
|
adamc@350
|
419 (indent-line-to indent))))
|
adamc@350
|
420
|
adamc@350
|
421 (defun urweb-back-to-outer-indent ()
|
adamc@350
|
422 "Unindents to the next outer level of indentation."
|
adamc@350
|
423 (interactive)
|
adamc@350
|
424 (save-excursion
|
adamc@350
|
425 (beginning-of-line)
|
adamc@350
|
426 (skip-chars-forward "\t ")
|
adamc@350
|
427 (let ((start-column (current-column))
|
adamc@350
|
428 (indent (current-column)))
|
adamc@350
|
429 (if (> start-column 0)
|
adamc@350
|
430 (progn
|
adamc@350
|
431 (save-excursion
|
adamc@350
|
432 (while (>= indent start-column)
|
adamc@350
|
433 (if (re-search-backward "^[^\n]" nil t)
|
adamc@350
|
434 (setq indent (current-indentation))
|
adamc@350
|
435 (setq indent 0))))
|
adamc@350
|
436 (backward-delete-char-untabify (- start-column indent)))))))
|
adamc@350
|
437
|
adamc@350
|
438 (defun urweb-find-comment-indent ()
|
adamc@350
|
439 (save-excursion
|
adamc@350
|
440 (let ((depth 1))
|
adamc@350
|
441 (while (> depth 0)
|
adamc@350
|
442 (if (re-search-backward "(\\*\\|\\*)" nil t)
|
adamc@350
|
443 (cond
|
adamc@350
|
444 ;; FIXME: That's just a stop-gap.
|
adamc@350
|
445 ((eq (get-text-property (point) 'face) 'font-lock-string-face))
|
adamc@350
|
446 ((looking-at "*)") (incf depth))
|
adamc@350
|
447 ((looking-at comment-start-skip) (decf depth)))
|
adamc@350
|
448 (setq depth -1)))
|
adamc@350
|
449 (if (= depth 0)
|
adamc@350
|
450 (1+ (current-column))
|
adamc@350
|
451 nil))))
|
adamc@350
|
452
|
adamc@369
|
453 (defun urweb-empty-line ()
|
adamc@365
|
454 (save-excursion
|
adamc@369
|
455 (beginning-of-line)
|
adamc@365
|
456 (let ((start-pos (point)))
|
adamc@369
|
457 (end-of-line)
|
adamc@369
|
458 (not (re-search-backward "[^\n \t]" start-pos t)))))
|
adamc@365
|
459
|
adamc@369
|
460 (defun urweb-seek-back ()
|
adamc@369
|
461 (while (urweb-empty-line) (previous-line 1)))
|
adamc@363
|
462
|
adamc@369
|
463 (defun urweb-skip-matching-braces ()
|
adamc@367
|
464 "Skip backwards past matching brace pairs, to calculate XML indentation after quoted Ur code"
|
adamc@367
|
465 (beginning-of-line)
|
adamc@367
|
466 (let ((start-pos (point))
|
adamc@367
|
467 (depth 0))
|
adamc@367
|
468 (end-of-line)
|
adamc@367
|
469 (while (re-search-backward "[{}]" start-pos t)
|
adamc@367
|
470 (cond
|
adamc@367
|
471 ((looking-at "}")
|
adamc@367
|
472 (incf depth))
|
adamc@367
|
473 ((looking-at "{")
|
adamc@367
|
474 (decf depth))))
|
adamc@367
|
475 (while (and (> depth 0) (re-search-backward "[{}]" nil t)
|
adamc@367
|
476 (cond
|
adamc@367
|
477 ((looking-at "}")
|
adamc@367
|
478 (incf depth))
|
adamc@367
|
479 ((looking-at "{")
|
adamc@367
|
480 (decf depth)))))))
|
adamc@367
|
481
|
adamc@369
|
482 (defun urweb-new-tags ()
|
adamc@369
|
483 "Decide if the previous line of XML introduced unclosed tags"
|
adamc@369
|
484 (save-excursion
|
adamc@369
|
485 (let ((start-pos (point))
|
adamc@369
|
486 (depth 0)
|
adamc@369
|
487 (done nil))
|
adamc@369
|
488 (previous-line 1)
|
adamc@369
|
489 (urweb-seek-back)
|
adamc@369
|
490 (urweb-skip-matching-braces)
|
adamc@369
|
491 (urweb-seek-back)
|
adamc@369
|
492 (beginning-of-line)
|
adamc@369
|
493 (while (and (not done) (search-forward "<" start-pos t))
|
adamc@396
|
494 (cond
|
adamc@396
|
495 ((or (looking-at " ") (looking-at "="))
|
adamc@396
|
496 nil)
|
adamc@396
|
497 ((looking-at "/")
|
adamc@396
|
498 (if (re-search-forward "[^\\sw]>" start-pos t)
|
adamc@369
|
499 (when (> depth 0) (decf depth))
|
adamc@396
|
500 (setq done t)))
|
adamc@396
|
501 (t
|
adamc@396
|
502 (if (re-search-forward "[^\\sw]>" start-pos t)
|
adamc@369
|
503 (if (not (save-excursion (backward-char 2) (looking-at "/")))
|
adamc@369
|
504 (incf depth))
|
adamc@396
|
505 (setq done t)))))
|
adamc@369
|
506 (and (not done) (> depth 0)))))
|
adamc@369
|
507
|
adamc@363
|
508 (defun urweb-tag-matching-indent ()
|
adamc@363
|
509 "Seek back to a matching opener tag and get its line's indent"
|
adamc@363
|
510 (save-excursion
|
adamc@369
|
511 (end-of-line)
|
adamc@369
|
512 (search-backward "</" nil t)
|
adamc@368
|
513 (urweb-tag-matcher)
|
adamc@369
|
514 (beginning-of-line)
|
adamc@369
|
515 (current-indentation)))
|
adamc@363
|
516
|
adamc@373
|
517 (defconst urweb-sql-main-starters
|
adamc@1071
|
518 '("SQL" "SELECT" "INSERT" "UPDATE" "DELETE" "FROM" "SELECT1" "WHERE"))
|
adamc@373
|
519
|
adamc@372
|
520 (defconst urweb-sql-starters
|
adamc@373
|
521 (append urweb-sql-main-starters
|
adamc@373
|
522 '("^\\s-+FROM" "WHERE" "GROUP" "ORDER" "HAVING" "LIMIT" "OFFSET"
|
adamc@373
|
523 "VALUES" "SET")))
|
adamc@372
|
524
|
adamc@373
|
525 (defconst urweb-sql-main-starters-re
|
adamc@373
|
526 (urweb-syms-re urweb-sql-main-starters))
|
adamc@372
|
527 (defconst urweb-sql-starters-re
|
adamc@372
|
528 (urweb-syms-re urweb-sql-starters))
|
adamc@372
|
529
|
adamc@374
|
530 (defconst urweb-sql-main-starters-paren-re
|
adamc@374
|
531 (concat "(" urweb-sql-main-starters-re))
|
adamc@374
|
532
|
adamc@374
|
533 (defun urweb-in-sql ()
|
adamc@374
|
534 "Check if the point is in a block of SQL syntax."
|
adamc@374
|
535 (save-excursion
|
adamc@375
|
536 (let ((start-pos (point))
|
adamc@375
|
537 (depth 0)
|
adamc@375
|
538 done
|
adamc@375
|
539 (good t))
|
adamc@375
|
540 (when (re-search-backward urweb-sql-main-starters-paren-re nil t)
|
adamc@375
|
541 (forward-char)
|
adamc@375
|
542 (while (and (not done) (re-search-forward "[()]" start-pos t))
|
adamc@375
|
543 (save-excursion
|
adamc@375
|
544 (backward-char)
|
adamc@375
|
545 (cond
|
adamc@375
|
546 ((looking-at ")")
|
adamc@375
|
547 (cond
|
adamc@375
|
548 ((= depth 0) (setq done t) (setq good nil))
|
adamc@375
|
549 (t (decf depth))))
|
adamc@375
|
550 ((looking-at "(")
|
adamc@375
|
551 (incf depth)))))
|
adamc@375
|
552 good))))
|
adamc@374
|
553
|
adamc@374
|
554 (defun urweb-sql-depth ()
|
adamc@374
|
555 "Check if the point is in a block of SQL syntax.
|
adamc@374
|
556 Returns the paren nesting depth if so, and nil otherwise."
|
adamc@374
|
557 (save-excursion
|
adamc@374
|
558 (let ((depth 0)
|
adamc@374
|
559 done)
|
adamc@374
|
560 (while (and (not done)
|
adamc@374
|
561 (re-search-backward "[()]" nil t))
|
adamc@374
|
562 (cond
|
adamc@374
|
563 ((looking-at ")")
|
adamc@374
|
564 (decf depth))
|
adamc@374
|
565 ((looking-at "(")
|
adamc@374
|
566 (if (looking-at urweb-sql-main-starters-paren-re)
|
adamc@374
|
567 (setq done t)
|
adamc@374
|
568 (incf depth)))))
|
adamc@374
|
569 (max 0 depth))))
|
adamc@374
|
570
|
adamc@350
|
571 (defun urweb-calculate-indentation ()
|
adamc@350
|
572 (save-excursion
|
adamc@350
|
573 (beginning-of-line) (skip-chars-forward "\t ")
|
adamc@350
|
574 (urweb-with-ist
|
adamc@350
|
575 ;; Indentation for comments alone on a line, matches the
|
adamc@350
|
576 ;; proper indentation of the next line.
|
adamc@350
|
577 (when (looking-at "(\\*") (urweb-forward-spaces))
|
adamc@350
|
578 (let (data
|
adamc@350
|
579 (sym (save-excursion (urweb-forward-sym))))
|
adamc@350
|
580 (or
|
adamc@350
|
581 ;; Allow the user to override the indentation.
|
adamc@350
|
582 (when (looking-at (concat ".*" (regexp-quote comment-start)
|
adamc@350
|
583 "[ \t]*fixindent[ \t]*"
|
adamc@350
|
584 (regexp-quote comment-end)))
|
adamc@350
|
585 (current-indentation))
|
adamc@350
|
586
|
adamc@350
|
587 ;; Continued comment.
|
adamc@350
|
588 (and (looking-at "\\*") (urweb-find-comment-indent))
|
adamc@350
|
589
|
adamc@363
|
590 (and (urweb-in-xml)
|
adamc@363
|
591 (let ((prev-indent (save-excursion
|
adamc@363
|
592 (previous-line 1)
|
adamc@369
|
593 (urweb-seek-back)
|
adamc@369
|
594 (urweb-skip-matching-braces)
|
adamc@369
|
595 (urweb-seek-back)
|
adamc@363
|
596 (current-indentation))))
|
adamc@363
|
597 (cond
|
adamc@363
|
598 ((looking-at "</")
|
adamc@363
|
599 (urweb-tag-matching-indent))
|
adamc@363
|
600 ((urweb-new-tags)
|
adamc@363
|
601 (+ prev-indent 2))
|
adamc@363
|
602 (t
|
adamc@363
|
603 prev-indent))))
|
adamc@363
|
604
|
adamc@350
|
605 ;; Continued string ? (Added 890113 lbn)
|
adamc@350
|
606 (and (looking-at "\\\\")
|
adamc@350
|
607 (save-excursion
|
adamc@350
|
608 (if (save-excursion (previous-line 1)
|
adamc@350
|
609 (beginning-of-line)
|
adamc@350
|
610 (looking-at "[\t ]*\\\\"))
|
adamc@350
|
611 (progn (previous-line 1) (current-indentation))
|
adamc@350
|
612 (if (re-search-backward "[^\\\\]\"" nil t)
|
adamc@350
|
613 (1+ (current-column))
|
adamc@350
|
614 0))))
|
adamc@350
|
615
|
adamc@350
|
616 ;; Closing parens. Could be handled below with `urweb-indent-relative'?
|
adamc@350
|
617 (and (looking-at "\\s)")
|
adamc@350
|
618 (save-excursion
|
adamc@350
|
619 (skip-syntax-forward ")")
|
adamc@350
|
620 (backward-sexp 1)
|
adamc@350
|
621 (if (urweb-dangling-sym)
|
adamc@350
|
622 (urweb-indent-default 'noindent)
|
adamc@350
|
623 (current-column))))
|
adamc@350
|
624
|
adamc@374
|
625 (and (or (looking-at "FROM") (looking-at urweb-sql-starters-re))
|
adamc@386
|
626
|
adamc@372
|
627 (save-excursion
|
adamc@372
|
628 (and (re-search-backward urweb-sql-starters-re nil t)
|
adamc@373
|
629 (if (looking-at urweb-sql-main-starters-re)
|
adamc@373
|
630 (current-column)
|
adamc@373
|
631 (current-indentation)))))
|
adamc@372
|
632
|
adamc@374
|
633 (and (urweb-in-sql)
|
adamc@374
|
634 (setq data (urweb-sql-depth))
|
adamc@374
|
635 (save-excursion
|
adamc@374
|
636 (re-search-backward urweb-sql-starters-re nil t)
|
adamc@374
|
637 (+ (current-column) 2 (* 2 data))))
|
adamc@374
|
638
|
adamc@350
|
639 (and (setq data (assoc sym urweb-close-paren))
|
adamc@350
|
640 (urweb-indent-relative sym data))
|
adamc@350
|
641
|
adamc@350
|
642 (and (member sym urweb-starters-syms)
|
adamc@350
|
643 (urweb-indent-starter sym))
|
adamc@350
|
644
|
adamc@350
|
645 (and (string= sym "|") (urweb-indent-pipe))
|
adamc@350
|
646
|
adamc@350
|
647 (urweb-indent-arg)
|
adamc@350
|
648 (urweb-indent-default))))))
|
adamc@350
|
649
|
adamc@350
|
650 (defsubst urweb-bolp ()
|
adamc@350
|
651 (save-excursion (skip-chars-backward " \t|") (bolp)))
|
adamc@350
|
652
|
adamc@350
|
653 (defun urweb-indent-starter (orig-sym)
|
adamc@350
|
654 "Return the indentation to use for a symbol in `urweb-starters-syms'.
|
adamc@350
|
655 Point should be just before the symbol ORIG-SYM and is not preserved."
|
adamc@350
|
656 (let ((sym (unless (save-excursion (urweb-backward-arg))
|
adamc@350
|
657 (urweb-backward-spaces)
|
adamc@350
|
658 (urweb-backward-sym))))
|
adamc@350
|
659 (if (member sym '(";" "d=")) (setq sym nil))
|
adamc@350
|
660 (if sym (urweb-get-sym-indent sym)
|
adamc@350
|
661 ;; FIXME: this can take a *long* time !!
|
adamc@350
|
662 (setq sym (urweb-find-matching-starter urweb-starters-syms))
|
adamc@350
|
663 ;; Don't align with `and' because it might be specially indented.
|
adamc@350
|
664 (if (and (or (equal orig-sym "and") (not (equal sym "and")))
|
adamc@350
|
665 (urweb-bolp))
|
adamc@350
|
666 (+ (current-column)
|
adamc@350
|
667 (if (and urweb-rightalign-and (equal orig-sym "and"))
|
adamc@350
|
668 (- (length sym) 3) 0))
|
adamc@350
|
669 (urweb-indent-starter orig-sym)))))
|
adamc@350
|
670
|
adamc@350
|
671 (defun urweb-indent-relative (sym data)
|
adamc@350
|
672 (save-excursion
|
adamc@350
|
673 (urweb-forward-sym) (urweb-backward-sexp nil)
|
adamc@350
|
674 (unless (second data) (urweb-backward-spaces) (urweb-backward-sym))
|
adamc@350
|
675 (+ (or (cdr (assoc sym urweb-symbol-indent)) 0)
|
adamc@350
|
676 (urweb-delegated-indent))))
|
adamc@350
|
677
|
adamc@350
|
678 (defun urweb-indent-pipe ()
|
adamc@350
|
679 (let ((sym (urweb-find-matching-starter urweb-pipeheads
|
adamc@350
|
680 (urweb-op-prec "|" 'back))))
|
adamc@350
|
681 (when sym
|
adamc@350
|
682 (if (string= sym "|")
|
adamc@350
|
683 (if (urweb-bolp) (current-column) (urweb-indent-pipe))
|
adamc@350
|
684 (let ((pipe-indent (or (cdr (assoc "|" urweb-symbol-indent)) -2)))
|
adamc@350
|
685 (when (or (member sym '("datatype"))
|
adamc@350
|
686 (and (equal sym "and")
|
adamc@350
|
687 (save-excursion
|
adamc@350
|
688 (forward-word 1)
|
adamc@350
|
689 (not (urweb-funname-of-and)))))
|
adamc@350
|
690 (re-search-forward "="))
|
adamc@350
|
691 (urweb-forward-sym)
|
adamc@350
|
692 (urweb-forward-spaces)
|
adamc@350
|
693 (+ pipe-indent (current-column)))))))
|
adamc@350
|
694
|
adamc@350
|
695 (defun urweb-find-forward (re)
|
adamc@350
|
696 (urweb-forward-spaces)
|
adamc@350
|
697 (while (and (not (looking-at re))
|
adamc@350
|
698 (progn
|
adamc@350
|
699 (or (ignore-errors (forward-sexp 1) t) (forward-char 1))
|
adamc@350
|
700 (urweb-forward-spaces)
|
adamc@350
|
701 (not (looking-at re))))))
|
adamc@350
|
702
|
adamc@350
|
703 (defun urweb-indent-arg ()
|
adamc@350
|
704 (and (save-excursion (ignore-errors (urweb-forward-arg)))
|
adamc@350
|
705 ;;(not (looking-at urweb-not-arg-re))
|
adamc@350
|
706 ;; looks like a function or an argument
|
adamc@350
|
707 (urweb-move-if (urweb-backward-arg))
|
adamc@350
|
708 ;; an argument
|
adamc@350
|
709 (if (save-excursion (not (urweb-backward-arg)))
|
adamc@350
|
710 ;; a first argument
|
adamc@350
|
711 (+ (current-column) urweb-indent-args)
|
adamc@350
|
712 ;; not a first arg
|
adamc@350
|
713 (while (and (/= (current-column) (current-indentation))
|
adamc@350
|
714 (urweb-move-if (urweb-backward-arg))))
|
adamc@350
|
715 (unless (save-excursion (urweb-backward-arg))
|
adamc@350
|
716 ;; all earlier args are on the same line
|
adamc@350
|
717 (urweb-forward-arg) (urweb-forward-spaces))
|
adamc@350
|
718 (current-column))))
|
adamc@350
|
719
|
adamc@350
|
720 (defun urweb-get-indent (data sym)
|
adamc@350
|
721 (let (d)
|
adamc@350
|
722 (cond
|
adamc@350
|
723 ((not (listp data)) data)
|
adamc@350
|
724 ((setq d (member sym data)) (cadr d))
|
adamc@350
|
725 ((and (consp data) (not (stringp (car data)))) (car data))
|
adamc@350
|
726 (t urweb-indent-level))))
|
adamc@350
|
727
|
adamc@350
|
728 (defun urweb-dangling-sym ()
|
adamc@350
|
729 "Non-nil if the symbol after point is dangling.
|
adamc@350
|
730 The symbol can be an Ur/Web symbol or an open-paren. \"Dangling\" means that
|
adamc@350
|
731 it is not on its own line but is the last element on that line."
|
adamc@350
|
732 (save-excursion
|
adamc@350
|
733 (and (not (urweb-bolp))
|
adamc@350
|
734 (< (urweb-point-after (end-of-line))
|
adamc@350
|
735 (urweb-point-after (or (urweb-forward-sym) (skip-syntax-forward "("))
|
adamc@350
|
736 (urweb-forward-spaces))))))
|
adamc@350
|
737
|
adamc@350
|
738 (defun urweb-delegated-indent ()
|
adamc@350
|
739 (if (urweb-dangling-sym)
|
adamc@350
|
740 (urweb-indent-default 'noindent)
|
adamc@350
|
741 (urweb-move-if (backward-word 1)
|
adamc@350
|
742 (looking-at urweb-agglomerate-re))
|
adamc@350
|
743 (current-column)))
|
adamc@350
|
744
|
adamc@350
|
745 (defun urweb-get-sym-indent (sym &optional style)
|
adamc@350
|
746 "Find the indentation for the SYM we're `looking-at'.
|
adamc@350
|
747 If indentation is delegated, point will move to the start of the parent.
|
adamc@350
|
748 Optional argument STYLE is currently ignored."
|
adamc@371
|
749 ;;(assert (equal sym (save-excursion (urweb-forward-sym))))
|
adamc@350
|
750 (save-excursion
|
adamc@350
|
751 (let ((delegate (and (not (equal sym "end")) (assoc sym urweb-close-paren)))
|
adamc@350
|
752 (head-sym sym))
|
adamc@350
|
753 (when (and delegate (not (eval (third delegate))))
|
adamc@350
|
754 ;;(urweb-find-match-backward sym delegate)
|
adamc@350
|
755 (urweb-forward-sym) (urweb-backward-sexp nil)
|
adamc@350
|
756 (setq head-sym
|
adamc@350
|
757 (if (second delegate)
|
adamc@350
|
758 (save-excursion (urweb-forward-sym))
|
adamc@350
|
759 (urweb-backward-spaces) (urweb-backward-sym))))
|
adamc@350
|
760 (let ((idata (assoc head-sym urweb-indent-rule)))
|
adamc@350
|
761 (when idata
|
adamc@350
|
762 ;;(if (or style (not delegate))
|
adamc@350
|
763 ;; normal indentation
|
adamc@350
|
764 (let ((indent (urweb-get-indent (cdr idata) sym)))
|
adamc@350
|
765 (when indent (+ (urweb-delegated-indent) indent)))
|
adamc@350
|
766 ;; delgate indentation to the parent
|
adamc@350
|
767 ;;(urweb-forward-sym) (urweb-backward-sexp nil)
|
adamc@350
|
768 ;;(let* ((parent-sym (save-excursion (urweb-forward-sym)))
|
adamc@350
|
769 ;; (parent-indent (cdr (assoc parent-sym urweb-indent-starters))))
|
adamc@350
|
770 ;; check the special rules
|
adamc@350
|
771 ;;(+ (urweb-delegated-indent)
|
adamc@350
|
772 ;; (or (urweb-get-indent (cdr indent-data) 1 'strict)
|
adamc@350
|
773 ;; (urweb-get-indent (cdr parent-indent) 1 'strict)
|
adamc@350
|
774 ;; (urweb-get-indent (cdr indent-data) 0)
|
adamc@350
|
775 ;; (urweb-get-indent (cdr parent-indent) 0))))))))
|
adamc@350
|
776 )))))
|
adamc@350
|
777
|
adamc@350
|
778 (defun urweb-indent-default (&optional noindent)
|
adamc@386
|
779 (condition-case nil
|
adamc@386
|
780 (progn
|
adamc@386
|
781 (let* ((sym-after (save-excursion (urweb-forward-sym)))
|
adamc@386
|
782 (_ (urweb-backward-spaces))
|
adamc@386
|
783 (sym-before (urweb-backward-sym))
|
adamc@386
|
784 (sym-indent (and sym-before (urweb-get-sym-indent sym-before)))
|
adamc@386
|
785 (indent-after (or (cdr (assoc sym-after urweb-symbol-indent)) 0)))
|
adamc@386
|
786 (when (equal sym-before "end")
|
adamc@386
|
787 ;; I don't understand what's really happening here, but when
|
adamc@386
|
788 ;; it's `end' clearly, we need to do something special.
|
adamc@386
|
789 (forward-word 1)
|
adamc@386
|
790 (setq sym-before nil sym-indent nil))
|
adamc@386
|
791 (cond
|
adamc@386
|
792 (sym-indent
|
adamc@386
|
793 ;; the previous sym is an indentation introducer: follow the rule
|
adamc@386
|
794 (if noindent
|
adamc@386
|
795 ;;(current-column)
|
adamc@386
|
796 sym-indent
|
adamc@386
|
797 (+ sym-indent indent-after)))
|
adamc@386
|
798 ;; If we're just after a hanging open paren.
|
adamc@386
|
799 ((and (eq (char-syntax (preceding-char)) ?\()
|
adamc@386
|
800 (save-excursion (backward-char) (urweb-dangling-sym)))
|
adamc@386
|
801 (backward-char)
|
adamc@386
|
802 (urweb-indent-default))
|
adamc@386
|
803 (t
|
adamc@386
|
804 ;; default-default
|
adamc@386
|
805 (let* ((prec-after (urweb-op-prec sym-after 'back))
|
adamc@386
|
806 (prec (or (urweb-op-prec sym-before 'back) prec-after 100)))
|
adamc@386
|
807 ;; go back until you hit a symbol that has a lower prec than the
|
adamc@386
|
808 ;; "current one", or until you backed over a sym that has the same prec
|
adamc@386
|
809 ;; but is at the beginning of a line.
|
adamc@386
|
810 (while (and (not (urweb-bolp))
|
adamc@386
|
811 (while (urweb-move-if (urweb-backward-sexp (1- prec))))
|
adamc@386
|
812 (not (urweb-bolp)))
|
adamc@386
|
813 (while (urweb-move-if (urweb-backward-sexp prec))))
|
adamc@386
|
814 (if noindent
|
adamc@386
|
815 ;; the `noindent' case does back over an introductory symbol
|
adamc@386
|
816 ;; such as `fun', ...
|
adamc@386
|
817 (progn
|
adamc@386
|
818 (urweb-move-if
|
adamc@386
|
819 (urweb-backward-spaces)
|
adamc@386
|
820 (member (urweb-backward-sym) urweb-starters-syms))
|
adamc@386
|
821 (current-column))
|
adamc@386
|
822 ;; Use `indent-after' for cases such as when , or ; should be
|
adamc@386
|
823 ;; outdented so that their following terms are aligned.
|
adamc@386
|
824 (+ (if (progn
|
adamc@386
|
825 (if (equal sym-after ";")
|
adamc@386
|
826 (urweb-move-if
|
adamc@386
|
827 (urweb-backward-spaces)
|
adamc@386
|
828 (member (urweb-backward-sym) urweb-starters-syms)))
|
adamc@386
|
829 (and sym-after (not (looking-at sym-after))))
|
adamc@386
|
830 indent-after 0)
|
adamc@386
|
831 (current-column))))))))
|
adamc@386
|
832 (error 0)))
|
adamc@350
|
833
|
adamc@350
|
834
|
adamc@350
|
835 ;; maybe `|' should be set to word-syntax in our temp syntax table ?
|
adamc@350
|
836 (defun urweb-current-indentation ()
|
adamc@350
|
837 (save-excursion
|
adamc@350
|
838 (beginning-of-line)
|
adamc@350
|
839 (skip-chars-forward " \t|")
|
adamc@350
|
840 (current-column)))
|
adamc@350
|
841
|
adamc@350
|
842
|
adamc@350
|
843 (defun urweb-find-matching-starter (syms &optional prec)
|
adamc@350
|
844 (let (sym)
|
adamc@350
|
845 (ignore-errors
|
adamc@350
|
846 (while
|
adamc@350
|
847 (progn (urweb-backward-sexp prec)
|
adamc@350
|
848 (setq sym (save-excursion (urweb-forward-sym)))
|
adamc@350
|
849 (not (or (member sym syms) (bobp)))))
|
adamc@350
|
850 (if (member sym syms) sym))))
|
adamc@350
|
851
|
adamc@350
|
852 (defun urweb-skip-siblings ()
|
adamc@350
|
853 (while (and (not (bobp)) (urweb-backward-arg))
|
adamc@350
|
854 (urweb-find-matching-starter urweb-starters-syms)))
|
adamc@350
|
855
|
adamc@350
|
856 (defun urweb-beginning-of-defun ()
|
adamc@350
|
857 (let ((sym (urweb-find-matching-starter urweb-starters-syms)))
|
adamc@350
|
858 (if (member sym '("fun" "and" "functor" "signature" "structure"
|
adamc@350
|
859 "datatype"))
|
adamc@350
|
860 (save-excursion (urweb-forward-sym) (urweb-forward-spaces)
|
adamc@350
|
861 (urweb-forward-sym))
|
adamc@350
|
862 ;; We're inside a "non function declaration": let's skip all other
|
adamc@350
|
863 ;; declarations that we find at the same level and try again.
|
adamc@350
|
864 (urweb-skip-siblings)
|
adamc@350
|
865 ;; Obviously, let's not try again if we're at bobp.
|
adamc@350
|
866 (unless (bobp) (urweb-beginning-of-defun)))))
|
adamc@350
|
867
|
adamc@350
|
868 (defcustom urweb-max-name-components 3
|
adamc@350
|
869 "Maximum number of components to use for the current function name."
|
adamc@350
|
870 :group 'urweb
|
adamc@350
|
871 :type 'integer)
|
adamc@350
|
872
|
adamc@350
|
873 (defun urweb-current-fun-name ()
|
adamc@350
|
874 (save-excursion
|
adamc@350
|
875 (let ((count urweb-max-name-components)
|
adamc@350
|
876 fullname name)
|
adamc@350
|
877 (end-of-line)
|
adamc@350
|
878 (while (and (> count 0)
|
adamc@350
|
879 (setq name (urweb-beginning-of-defun)))
|
adamc@350
|
880 (decf count)
|
adamc@350
|
881 (setq fullname (if fullname (concat name "." fullname) name))
|
adamc@350
|
882 ;; Skip all other declarations that we find at the same level.
|
adamc@350
|
883 (urweb-skip-siblings))
|
adamc@350
|
884 fullname)))
|
adamc@350
|
885
|
adamc@358
|
886
|
adamc@358
|
887
|
adamc@350
|
888 (provide 'urweb-mode)
|
adamc@350
|
889
|
adamc@350
|
890 ;;; urweb-mode.el ends here
|