[TYPO3-core] RFC #12428: slow t3lib_TSparser::parseSub in 4.3

[Christian Kuhn]

Hey,

Bernhard Kraft wrote:
> Bugtracker reference:
> http://bugs.typo3.org/view.php?id=12428
> 
> Branches: 4.3 / trunk
> 
> Problem:
> There was a report about slow parsing of TS Templates in the dev list containing a description of the problem:
> http://lists.typo3.org/pipermail/typo3-dev/2009-October/037545.html
> See bugtracker entry for more information about cause of problem.

-1 for now: I instantly get different fatals with this patch in current
trunk:


1. in FE and BE (with loaded ext: th_mailformplus):

Fatal error: Class 't3lib_div' not found in
/path/to/trunk/t3lib/class.t3lib_autoloader.php on line 107
Call Stack
#	Time	Memory	Function	Location
1	0.0000	103176	{main}( )	../index.php:0
2	0.0001	106328	require(
'/path/to/trunk/typo3/sysext/cms/tslib/index_ts.php' )	../index.php:76
3	0.0697	2840144	tslib_fe->getCompressedTCarray( )	../index_ts.php:360
4	0.0700	2840368	tslib_fe->includeTCA( )	../class.tslib_fe.php:2206
5	0.1000	4613880	include(
'/path/to/htdocs/typo3conf/temp_CACHED_FE_pse2c8_ext_tables.php' )
../class.tslib_fe.php:2254
6	0.1418	7032560	include_once(
'/path/to/htdocs/typo3conf/svn/th_mailformplus/class.tx_dynaflex.php' )
../temp_CACHED_FE_pse2c8_ext_tables.php:5253
7	0.1420	7075864	require_once(
'/path/to/trunk/t3lib/class.t3lib_tsparser_ext.php' )
../class.tx_dynaflex.php:4
8	0.1420	7076184	t3lib_autoloader::autoload( )
../class.t3lib_autoloader.php:0
9	0.1420	7076472	t3lib_div::requireFile( )	../class.t3lib_autoloader.php:107
10	0.1424	7077768	t3lib_error_ErrorHandler->handleError( )
../class.t3lib_error_errorhandler.php:0
11	0.1424	7081200	t3lib_autoloader::autoload( )
../class.t3lib_autoloader.php:0


2. in BE (with loaded ext: tt_address):

Fatal error: require_once() [function.require]: Failed opening required
'/path/to/htdocs/t3lib/class.t3lib_tstemplate.php'
(include_path='/path/to/htdocs/typo3conf/ext/phpunit/PHPUnit-3.3.16/:.:/usr/share/php:/usr/share/pear')
in
/path/to/htdocs/typo3conf/ext/tt_address/class.tx_ttaddress_addfilestosel.php
on line 26
Call Stack
#	Time	Memory	Function	Location
1	0.0001	127072	{main}( )	../backend.php:0
2	0.0001	128856	require_once( '/path/to/trunk/typo3/init.php' )
../backend.php:28
3	0.1116	3718392	include(
'/path/to/htdocs/typo3conf/temp_CACHED_pse2c8_ext_tables.php' )
../init.php:376
4	0.1190	5109640	include_once(
'/path/to/htdocs/typo3conf/ext/tt_address/class.tx_ttaddress_addfilestosel.php'
)	../temp_CACHED_pse2c8_ext_tables.php:2187


3. in FE (after uninstalling th_mailformplus and tt_address):

Fatal error: Class 't3lib_div' not found in
/path/to/trunk/t3lib/class.t3lib_autoloader.php on line 107
Call Stack
#	Time	Memory	Function	Location
1	0.0000	103176	{main}( )	../index.php:0
2	0.0001	106328	require(
'/path/to/trunk/typo3/sysext/cms/tslib/index_ts.php' )	../index.php:76
3	0.1531	3570736	tslib_fe->initTemplate( )	../index_ts.php:367
4	0.1531	3570736	t3lib_div::makeInstance( )	../class.tslib_fe.php:1828
5	0.1531	3570736	t3lib_div::getClassName( )	../class.t3lib_div.php:4961
6	0.1531	3570736	class_exists ( )	../class.t3lib_div.php:5011
7	0.1531	3570736	t3lib_autoloader::autoload( )
../class.t3lib_autoloader.php:0
8	0.1531	3570736	t3lib_div::requireFile( )	../class.t3lib_autoloader.php:107
9	0.1534	3571320	t3lib_error_ErrorHandler->handleError( )
../class.t3lib_error_errorhandler.php:0
10	0.1534	3572272	t3lib_autoloader::autoload( )
../class.t3lib_autoloader.php:0


Regards
Christian