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1 | ; Created by Brian Templeton (bpt@hcoop.net) |
2 | ; Extended by Adam Chlipala (adamc@hcoop.net) |
3 | |
4 | (eval-when-compile (require 'cl)) |
5 | |
6 | (defvar domtool-indent 2) |
7 | |
8 | (defvar domtool-mode-syntax-table |
9 | (let ((table (make-syntax-table))) |
10 | (loop for i from ?a to ?z |
11 | do (modify-syntax-entry i "w" table)) |
12 | (loop for i from ?A to ?Z |
13 | do (modify-syntax-entry i "w" table)) |
14 | (loop for i from ?0 to ?9 |
15 | do (modify-syntax-entry i "w" table)) |
16 | (mapc |
17 | (lambda (pair) |
18 | (loop for ch across (if (stringp (car pair)) |
19 | (car pair) |
20 | (string (car pair))) |
21 | do (modify-syntax-entry ch (cadr pair) table))) |
22 | '((" \t\n\14" " ") ; \14 is ^L |
23 | (?_ "_") |
24 | (?* ". 23n") |
25 | (?\( "()1") |
26 | (?\) ")(4") |
27 | (?\" "\"") |
28 | (?\\ "\\") |
29 | (?\[ "(]") |
30 | (?\] ")[") |
31 | ;; We identify single-line comments using |
32 | ;; font-lock-syntactic-keywords, because it's easier to |
33 | ;; recognize documentation comments using the syntax table. |
34 | (?\{ "(}12b") |
35 | (?\} "){34b") |
36 | ("->=<,:;^!&" ".") ; -> => <- = , : ; ^ ! & |
37 | )) |
38 | table)) |
39 | |
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40 | (defun domtool-syms-re (&rest syms) |
41 | (concat "\\<" (regexp-opt syms t) "\\>")) |
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42 | (defconst domtool-types-regexp |
43 | (domtool-syms-re "proxy_target" "proxy_port" "mod_rewrite_cond_flag" "mod_rewrite_flag" "rewrite_arg" "redirect_code" "autoindex_option" "autoindex_width" "homedir_path" "dnsRecord" "apache_option" "authType" "location" "ssl" "ssl_cert_path" "suexec_flag" "web_node" "aliasTarget" "aliasSource" "email" "emailUser" "mail_node" "dnsKind" "master" "dns_node" "soa" "serial" "your_path" "your_group" "your_user" "group" "user" "node" "your_domain_host" "your_domain" "domain" "host" "ip" "no_newlines" "no_spaces" "bool" "string" "int") |
44 | "A regexp that matches Domtool types from the standard library.") |
45 | |
46 | (defconst domtool-contexts-regexp |
47 | (domtool-syms-re "Location" "Vhost" "Domain") |
48 | "A regexp that matches Domtool contexts from the standard library.") |
49 | |
50 | (defconst domtool-actions-regexp |
51 | (domtool-syms-re "errorDocument" "scriptAlias" "alias" "proxyPassReverse" "proxyPass" "rewriteLogLevel" "localProxyRewrite" "rewriteBase" "rewriteCond" "rewriteRule" "setEnv" "davFilesystem" "readmeName" "headerName" "unset_indexOptions" "set_indexOptions" "indexOptions" "addDescription" "mailmanWebHost" "dnsDefault" "dnsAlias" "dnsMail" "dnsIP" "nameserver" "dom" "web" "webAt" "relayMail" "handleMail" "dns" "addDefaultCharset" "action" "forceTypeOff" "forceType" "directoryIndex" "unset_options" "set_options" "options" "satisfyAny" "satisfyAll" "denyFrom" "denyFromAll" "allowFrom" "allowFromAll" "orderDenyAllow" "orderAllowDeny" "requireGroup" "requireUser" "requireValidUser" "authUserFile" "authName" "authType" "serverAliasDefault" "serverAlias" "serverAliasHost" "directory" "location" "vhost" "defaultAlias" "aliasDrop" "aliasMulti" "emailAlias" "aliasPrim" "domain") |
52 | "A regexp that matches Domtool actions from the standard library.") |
53 | |
54 | (defconst domtool-vals-regexp |
55 | (domtool-syms-re "ornext" "cond_nocase" "env" "skip" "redirectWith" "mimeType" "passthrough" "noescape" "qsappend" "nocase" "nosubreq" "chain" "last" "gone" "forbidden" "redirect" "redir307" "redir305" "redir304" "redir303" "redir302" "redir301" "redir300" "seeother" "permanent" "temp" "xhtml" "versionSort" "trackModified" "suppressSize" "suppressRules" "suppressLastModified" "suppressIcon" "suppressHtmlPreamble" "suppressDescription" "suppressColumnSorting" "scanHtmlTitles" "nameWidth" "ignoreClient" "ignoreCase" "iconWidth" "iconHeight" "iconsAreLinks" "htmlTable" "foldersFirst" "fancyIndexing" "descriptionWidth" "characters" "autofit" "home" "web_node" "default_node" "dnsDefaultA" "dnsNS" "dnsMX" "dnsCNAME" "dnsA" "indexes" "includesNOEXEC" "execCGI" "kerberos" "digest" "basic" "use_cert" "no_ssl" "web_node_to_node" "dropTarget" "addressesTarget" "addressTarget" "catchAllSource" "defaultSource" "userSource" "mail_node_to_node" "noDns" "useDns" "internalMaster" "externalMaster" "dns_node_to_node" "defaultSoa" "soa" "serialConst" "serialAuto" "ip_of_node" "true" "false") |
56 | "A regexp that matches Domtool vals from the standard library.") |
57 | |
58 | (defconst domtool-env-vars-regexp |
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59 | (domtool-syms-re "Aliases" "DNS" "DocumentRoot" "Group" "MailNodes" "Mailbox" "SSL" "ServerAdmin" "SuExec" "TTL" "User" "WWW" "WebNodes") |
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60 | "A regexp that matches Domtool env-vars from the standard library.") |
61 | |
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62 | (defvar domtool-font-lock-keywords |
63 | `(,(concat |
64 | "\\_<" |
65 | (regexp-opt '("let" "in" "begin" "end" "with" "where" "extern" "type" |
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66 | "val" "context" "Root") |
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67 | t) |
68 | "\\_>") |
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69 | |
70 | (,domtool-actions-regexp . font-lock-builtin-face) |
71 | (,domtool-vals-regexp . font-lock-variable-name-face) |
72 | (,domtool-contexts-regexp . font-lock-constant-face) |
73 | (,domtool-env-vars-regexp . font-lock-constant-face) |
74 | (,domtool-types-regexp . font-lock-type-face) |
75 | |
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76 | ("type[ \t]+\\(\\(\\sw\\|\\s_\\)+\\)" 1 font-lock-type-face) |
77 | ("val[ \t]+\\(\\(\\sw\\|\\s_\\)+\\)" 1 font-lock-variable-name-face))) |
78 | |
79 | (defvar domtool-font-lock-syntactic-keywords |
80 | '(("\\(#\\).*\\(\n\\|\\'\\)" |
81 | (1 "!") |
82 | (2 "!")))) |
83 | |
84 | (defun domtool-font-lock-syntactic-face-function (state) |
85 | "Major mode for editing Domtool files." |
86 | (cond ((nth 3 state) font-lock-string-face) |
87 | ((eq (nth 7 state) t) font-lock-doc-face) |
88 | (t font-lock-comment-face))) |
89 | |
90 | (define-derived-mode domtool-mode fundamental-mode "Domtool" |
91 | ;; For some reason, whatever twiddling `define-derived-mode' does |
92 | ;; with the syntax table breaks recognition of (*...*) comments. So |
93 | ;; we need to tell d-d-m to leave our syntax table alone. |
94 | :syntax-table domtool-mode-syntax-table |
95 | (set (make-local-variable 'indent-line-function) 'domtool-indent-line) |
96 | (set (make-local-variable 'font-lock-defaults) |
97 | '(domtool-font-lock-keywords |
98 | nil nil nil nil |
99 | (font-lock-syntactic-keywords |
100 | . domtool-font-lock-syntactic-keywords) |
101 | (font-lock-syntactic-face-function |
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102 | . domtool-font-lock-syntactic-face-function))) |
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103 | (set (make-local-variable 'comment-start) "(* ") |
104 | (set (make-local-variable 'comment-end) " *)") |
105 | (set (make-local-variable 'comment-nested) t)) |
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106 | |
107 | (defun domtool-indent-line () |
108 | (let ((savep (> (current-column) (current-indentation))) |
109 | (indent (domtool-calculate-indent))) |
110 | (cond |
111 | ((eq indent 'noindent) indent) |
112 | (savep (save-excursion (indent-line-to indent))) |
113 | (t (indent-line-to indent))))) |
114 | |
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115 | (defun until-closed-helper (level) |
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116 | (if |
117 | (re-search-backward "\\_<\\(with\\|where\\|begin\\|end\\)\\_>" |
118 | nil t) |
119 | (cond |
120 | ((string= (match-string 0) "end") |
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121 | (until-closed-helper (+ level 1))) |
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122 | ((= level 0) |
123 | (current-indentation)) |
124 | (t |
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125 | (until-closed-helper (- level 1)))) |
126 | |
127 | 0)) |
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128 | |
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129 | (defun until-closed (is-with) |
130 | (save-excursion |
131 | (if is-with |
132 | (until-closed-helper 1) |
133 | (until-closed-helper 0)))) |
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134 | |
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135 | (defun domtool-calculate-indent () |
136 | (save-excursion |
137 | (back-to-indentation) |
138 | (multiple-value-bind (previous-keyword base-indent) |
139 | (save-excursion |
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140 | (if (re-search-backward "\\_<\\(with\\|where\\|begin\\|end\\)\\_>" |
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141 | nil t) |
142 | (values (match-string 0) (current-indentation)) |
143 | (values nil 0))) |
144 | (let ((state (syntax-ppss))) |
145 | (cond |
146 | ((nth 3 state) |
147 | 'noindent) |
148 | ((nth 4 state) |
149 | (domtool-calculate-comment-indent state)) |
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150 | ((looking-at "\\_<\\(with\\)\\_>") |
151 | (until-closed t)) |
152 | ((looking-at "\\_<\\(end\\)\\_>") |
153 | (until-closed nil)) |
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154 | ((not previous-keyword) |
155 | base-indent) |
156 | ((string= previous-keyword "end") |
157 | base-indent) |
158 | (t |
159 | (+ base-indent domtool-indent))))))) |
160 | |
161 | (defun domtool-calculate-comment-indent (state) |
162 | (ecase (nth 7 state) |
163 | ((t) 'noindent) |
164 | ((syntax-table) 'noindent) ; can't happen |
165 | ((nil) (let ((start (nth 8 state)) |
166 | (depth 0)) |
167 | (while (> (point) start) |
168 | (re-search-backward "(\\*\\|\\*)" start t) |
169 | (if (looking-at "(\\*") |
170 | (incf depth) |
171 | (decf depth))) |
172 | (+ (current-indentation) depth))))) |