verilog-mode.el updates.

verilog-mode.el updates.

This file should be copied to the trunk verbatim.

* verilog-mode.el (verilog-directive-re): Make this variable
auto-built for efficiency of execution and updating.
(verilog-extended-complete-re): Support 'pure' fucntion & task
declarations (these have no bodies).
(verilog-beg-of-statement): general cleanup to enable support of
'pure' fucntion & task declarations (these have no bodies).  These
efforts together fix Verilog bug210 from veripool; which was also
noticed by Steve Pearlmutter.
(verilog-directive-re, verilog-directive-begin, verilog-indent-re)
(verilog-directive-nest-re, verilog-set-auto-endcomments): Support
`elsif.  Reported by Shankar Giri.
(verilog-forward-ws&directives, verilog-in-attribute-p): Fixes for
attribute handling for lining up declarations and assignments.
(verilog-beg-of-statement-1): Fix issue where continued declaration
is indented differently if it is after a begin..end clock.
(verilog-in-attribute-p, verilog-skip-backward-comments)
(verilog-skip-forward-comment-p): Support proper treatment of
attributes by indent code. Reported by Jeff Steele.
(verilog-in-directive-p): Fix comment to correctly describe
function.
(verilog-backward-up-list, verilog-in-struct-region-p)
(verilog-backward-token, verilog-in-struct-p)
(verilog-in-coverage-p, verilog-do-indent)
(verilog-pretty-declarations): Use verilog-backward-up-list as
wrapper around backward-up-list inorder to properly skip comments.
Reported by David Rogoff.
(verilog-property-re, verilog-endcomment-reason-re)
(verilog-beg-of-statement, verilog-set-auto-endcomments)
(verilog-calc-1 ): Fix for assert a; else b; indentation (new form
of if). Reported by Max Bjurling and
(verilog-calc-1): Fix for clocking block in modport
declaration. Reported by Brian Hunter.
* verilog-mode.el (verilog-auto-inst, verilog-gate-ios)
(verilog-gate-keywords, verilog-read-sub-decls)
(verilog-read-sub-decls-gate, verilog-read-sub-decls-gate-ios)
(verilog-read-sub-decls-line, verilog-read-sub-decls-sig): Support
AUTOINST for gate primitives, bug284.  Reported by Mark Johnson.
(verilog-read-decls): Fix spaces in V2K module parameters causing
mis-identification as interfaces, bug287.
(verilog-read-decls): Fix not treating "parameter string" as a
parameter in AUTOINSTPARAM.
(verilog-read-always-signals-recurse, verilog-read-decls): Fix not
treating `elsif similar to `endif inside AUTOSENSE.
	(verilog-do-indent): Implement correct automatic or static task or
function end comment highlight. Reported by Steve Pearlmutter.
(verilog-font-lock-keywords-2): Fix highlighting of single
character pins, bug264.  Reported by Michael Laajanen.
(verilog-auto-inst, verilog-read-decls, verilog-read-sub-decls)
(verilog-read-sub-decls-in-interfaced, verilog-read-sub-decls-sig)
(verilog-subdecls-get-interfaced, verilog-subdecls-new): Support
interfaces with AUTOINST, bug270.  Reported by Luis Gutierrez.
(verilog-pretty-expr): Fix interactive arguments, bug272. Reported
by Mark Johnson.
(verilog-auto-tieoff, verilog-auto-tieoff-ignore-regexp): Add
'verilog-auto-tieoff-ignore-regexp' for AUTOTIEOFF,
bug269. Suggested by Gary Delp.
(verilog-mode-map, verilog-preprocess, verilog-preprocess-history)
(verilog-preprocessor, verilog-set-compile-command): Create
verilog-preprocess and verilog-preprocessor to show preprocessed
output.
(verilog-get-beg-of-line, verilog-get-end-of-line)
(verilog-modi-file-or-buffer, verilog-modi-name)
(verilog-modi-point, verilog-within-string): Move defmacro's
before first use to avoid warning. Reported by Steve Pearlmutter.
(verilog-colorize-buffer, verilog-colorize-include-files-buffer)
(verilog-colorize-region, verilog-highlight-buffer)
(verilog-highlight-includes, verilog-highlight-modules)
(verilog-highlight-region, verilog-mode): Rename colorize to
highlight to match other packages.  Disable module highlighting,
as received speed complaints, reenable for experimentation only
using new verilog-highlight-modules.
(verilog-read-decls): Fix regexp stack overflow in very large
AUTO_TEMPLATEs, bug250.
(verilog-auto, verilog-delete-auto, verilog-save-buffer-state)
(verilog-scan): Create verilog-save-buffer-state to standardize
making insignificant changes that shouldn't call hooks.
(verilog-save-no-change-functions, verilog-save-scan-cache)
(verilog-scan, verilog-scan-cache-ok-p, verilog-scan-region):
Create verilog-save-no-change-functions to wrap verilog-scan
preservation, and fix to work with nested preserved calls.
(verilog-auto-inst, verilog-auto-inst-dot-name): Support .name
port syntax for AUTOWIRE, and with new verilog-auto-inst-dot-name
generate .name with AUTOINST, bug245.  Suggested by David Rogoff.
(verilog-submit-bug-report): Update variable list to be complete.
(verilog-auto, verilog-colorize-region): Fix AUTO expansion
breaking on-the-fly font-locking.
(verilog-colorize-buffer, verilog-colorize-include-files)
(verilog-colorize-include-files-buffer, verilog-colorize-region)
(verilog-load-file-at-mouse, verilog-load-file-at-point)
(verilog-mode, verilog-read-inst-module-matcher): With point on a
AUTOINST cell instance name, middle mouse button now finds-file on
it.  Suggested by Brad Dobbie.
(verilog-alw-get-temps, verilog-auto-reset)
(verilog-auto-sense-sigs, verilog-read-always-signals)
(verilog-read-always-signals-recurse): Fix loop indexes being
AUTORESET. AUTORESET now assumes any variables in the
initialization section of a for() should be ignored.  Reported by
Dan Dever.
(verilog-error-font-lock-keywords)
(verilog-error-regexp-emacs-alist)
(verilog-error-regexp-xemacs-alist): Fix error detection of
Cadence HAL, reported by David Asher.  Repair drift between the
three similar error variables.
(verilog-modi-lookup, verilog-modi-lookup-cache)
(verilog-modi-lookup-last-current, verilog-modi-lookup-last-mod)
(verilog-modi-lookup-last-modi, verilog-modi-lookup-last-tick):
Fix slow verilog-auto expansion on very large files.
(verilog-read-sub-decls-expr, verilog-read-sub-decls-line): Fix
AUTOOUTPUT treating "1*2" as a signal name in submodule connection
"{1*2{...".  Broke in last revision.
(verilog-read-sub-decls-expr): Fix AUTOOUTPUT not detecting
submodule connections with replications "{#{a},#{b}}".