"/
"/ $Header$
"/
"/ ST/X startup configuration & command file:
"/
"/ startup configuration for smalltalk
"/
"/ - everything in here are plain smalltalk expressions;
"/ - statements with in a group are separated by a period.
"/ - Each group of statements has to be delimited by an exclamation
"/   character.
"/ - avoid exclas in comments (or double them)
"/ - nested comments are not allowed - take care.
"/
"/ remember: this is fileOut-format
"/
"/ comments can be either:
"/ - standard smalltalk comments (i.e. from dquote to dquote)
"/ - ST/X end of line comments (i.e. dquote followed by /)
"/
"/    "this is a comment"
"/    "/ another comment
"/
"/***************************************************************
"/ PLEASE: only add things here, if they are of general interrest
"/         and NEITHER site specific NOT display specific.
"/
"/ site specific things are to be added to "h_<hostname>.rc"
"/ display specifics to "d_<displayName>.rc"
"/ and private user stuff in "private.rc"
"/***************************************************************

"/
"/ allow definition of the systemPath from an environment variable
"/ for example, to only try files in a users home and /usr/local/lib/smalltalk,
"/ add the following in your shell-profile:
"/      export STX_SYSTEMPATH=$HOME:/usr/local/lib/smalltalk
"/ notice, that shell variable names are NOT expanded again in STX_SYSTEMPATH
"/ Make certain that all relevant files are found along your path - you may see
"/ funny viewStyles, colors and stupid strings if wrong.
"/

|path|

(path := OperatingSystem getEnvironment:'STX_SYSTEMPATH') notNil ifTrue:[
    Smalltalk systemPath:(path asCollectionOfSubstringsSeparatedBy:$:)
] ifFalse:[
    "/ look for gnu-smalltalk class files along my PATH.
    "/ if found, remove that directory from the PATH to avoid
    "/ autoloading wrong classes.
    (path := Smalltalk getSystemFileName:'initialize.st') notNil ifTrue:[
	path := path asFilename directoryName.
	('smalltalk.rc [info]: found gnu-smalltalk sources in ' , path , '; removed from systemPath.') infoPrintCR.
	Smalltalk systemPath:(Smalltalk systemPath remove:path; yourself).
    ]
].
!

|args|

args := Smalltalk commandLineArguments.
((args size > 0) and:[args last = '--buildClasses']) ifTrue:[
    'binary' asFilename isDirectory ifFalse:[
	'smalltalk.rc [warning]: no binary directory for classes.' errorPrintCR.
    ] ifTrue:[
	"/
	"/ load all lazy classes
	"/
	Autoload subclasses do:[:aClass |
	    Autoload autoloadFailedSignal handle:[:ex |
		'smalltalk.rc [warning]: autoload failed' errorPrintCR.
		ex return.
	    ] do:[
		'smalltalk.rc [info]: loading ' infoPrint. aClass name infoPrint. ' ...' infoPrintCR.
		aClass autoload.
	    ]
	].

	"/
	"/ binary save all classes
	"/
	Autoload loadedClasses do:[:cls |
	    'smalltalk.rc [info]: saving binary of ' infoPrint. cls name infoPrint. ' ...' infoPrintCR.
	    cls binaryFileOut.
	    OperatingSystem executeCommand:'mv *.cls binary'.
	]
    ].
    Smalltalk exit
].
!

"/
"/ map Language variable setting to known and handled
"/ values:
"/
Language == #De ifTrue:[
    Language := #german
].
!

"/
"/ just a quick check, if this ST/X installation seems to
"/ be halfway complete (it happened to some people, that
"/ their source/resource directories were not installed)
"/ - better to warn early ... 
"/
|anyWrong missing|
anyWrong := false.
missing := ''.
(Smalltalk getSystemFileName:'resources/SBrowser.rs') isNil ifTrue:[
    '***********************************************************************' errorPrintCR.
    '***** ATTENTION: please check installation of your >>resource<< files' errorPrintCR.
    '***** I will not be able to give non-english messages' errorPrintCR.
    anyWrong := true.
    missing := '''resources'' '.
].
(Smalltalk getSystemFileName:'source/Object.st') isNil ifTrue:[
  (Smalltalk getSystemFileName:'source/source.zip') isNil ifTrue:[
    "/
    "/ there may still be a SourceCodeManager ...
    "/
    (Smalltalk at:#SourceCodeManager) isNil ifTrue:[
	'***********************************************************************' errorPrintCR.
	'***** ATTENTION: please check installation of your >>source<< files' errorPrintCR.
	'***** ' errorPrintCR.
	'***** the browser/debugger may not be able to show sourcecode.' errorPrintCR.
	'***** Also, autoloading may fail if sourceFiles are missing.' errorPrintCR.
	anyWrong := true.
	missing := missing , '''source'' '.
    ]
  ]
].
(Smalltalk getSystemFileName:'bitmaps/SBrowser.xbm') isNil ifTrue:[
    '***********************************************************************' errorPrintCR.
    '***** ATTENTION: please check installation of your >>bitmap<< files' errorPrintCR.
    anyWrong := true.
    missing := missing , '''bitmaps'' '.
].
(Smalltalk getSystemFileName:'resources/normal.style') isNil ifTrue:[
    '***********************************************************************' errorPrintCR.
    '***** ATTENTION: please check installation of your >>style<< files' errorPrintCR.
    '***** I will use a plain b&w viewStyle as a fallBack' errorPrintCR.
    anyWrong := true.
    missing := missing , '''resources'' '.
].

anyWrong ifTrue:[
    '*****' errorPrintCR.
    '***** directory(s) named: ' errorPrint. missing errorPrint. 'incomplete/not existing' errorPrintCR.
    '***** I could not find the missing directory along your path,' errorPrintCR.
    '***** which is:' errorPrintCR.
    Smalltalk systemPath do:[:dir |
	('*****        ' , dir storeString) errorPrintCR.
    ].

    '*****' errorPrintCR.
    '***** Try: "make source bitmaps resources styles"' errorPrintCR.
    '*****  or: "make symlinks" to fix this.' errorPrintCR.
    '***********************************************************************' errorPrintCR.
]
!

"/
"/ check for display-classes being compiled into the system;
"/ (and if display connection can be established)
"/ if not, enter a simple read-eval-print loop
"/
Display isNil ifTrue:[
    DeviceWorkstation notNil ifTrue:[
	'smalltalk.rc [warning]: No Display connection.' errorPrintCR.
	'smalltalk.rc [info]: Either set the DISPLAY environment variable,' infoPrintCR.
	'smalltalk.rc [info]: or start smalltalk with a -display argument.' infoPrintCR.
    ] ifFalse:[
	'smalltalk.rc [warning]: Configuration without display.' errorPrintCR.
    ].
    '' errorPrintCR.
    'Textmode (enter smalltalk expressions terminated by single exclamation mark;' errorPrintCR.
    OperatingSystem isUNIXlike ifTrue:[
	'          CTRL-D to leave line-by-line interpreter.)' errorPrintCR.
    ] ifFalse:[
	'          CTRL-Z to leave line-by-line interpreter.)' errorPrintCR.
    ].
    Smalltalk readEvalPrint.
    Smalltalk exit
].

"/
"/ this makes X-errors be handled immediately (so you see,
"/ where it occured) but slows down the system soooo muuuucccchhh ..
"/ if commented out, errors will be reported asynchronously.
"/ (I enable this, when things go bad during startup)
"/
"/ Display unBuffered.

"/
"/ this starts the incremental GC earlier
"/ (default is 500000)
"/ the number given is the number of bytes which have to be allocated
"/ since the last GC, to start the incremental GC running.
"/ (see ObjectMemory>>documentation)
"/ Claus: I moved this to the private.rc file
"/
"/ ObjectMemory incrementalGCLimit:100000. 

"/
"/ this starts the incremental GC when freeSpace drops below a limit
"/ (default is nil - i.e. dont look at freeSpace)
"/ (see ObjectMemory>>documentation)
"/ Claus: I moved this to the private.rc file
"/
"/ ObjectMemory freeSpaceGCLimit:300000. 

"/
"/ lazy loading
"/ (faster fileIn) - this is EXPERIMENTAL.
"/
"/ - if turned on, an autoload operation will only create methodStubs
"/   (uncompiled) which trap when called the first time.
"/   The bytecode compiler will compile them when first executen.
"/
"/ - if turned off, an autoload will load & compile the while class,
"/   which makes autoloading slower, but avoids the initial delays
"/
"/ This is much like just-in-time compilation, but on a higher level.
"/ If there are any problems with lazy methods, disable the following
"/ and let me (cg@exept.ssw.de) know what happened.
"/
Autoload compileLazy:true.

"/
"/ define the language (you can also set the LANG-shell variable)
"/ (currently #english, #german and #french are supported).
"/ some fragments for other languages (japanese ;-) exist.
"/ Setting it here will override the LANG variable setting,
"/ if neither set here nor in LANG, #english is the default.
"/ see (and enhance) the resource files
"/ Claus: supposed to be done in private.rc or via LANG variable
"/
"/ Smalltalk language:#german.
"/ Smalltalk language:#english. 

"/
"/ this handles all variant display stuff
"/ (i.e. things which might change, when DISPLAY is set different)
"/
"/ 'smalltalk.rc [info]: reading ''display.rc'' ...' infoPrintCR.
Smalltalk fileIn:'display.rc'.

"/
"/ this defines stuff relating to the host we are running on
"/
"/ 'smalltalk.rc [info]: reading ''host.rc'' ...' infoPrintCR.
Smalltalk fileIn:'host.rc'.

"/
"/ Ask user to accept Licence.
"/ exit, if rejected.
"/ You may find this annoying - but lawers say: "this is a must ..." ;-)
"/ (it will not be shown when coming up via a snapshot image)

Smalltalk addStartBlock:[
    'smalltalk.rc [info]: show licence conditions ...' infoPrintCR.

"/    MessageTally spyOn:[
"/    Class withoutUpdatingChangesDo:[   
"/        'patches [info]: installing autoloaded classes ...' infoPrintCR.
"/        Smalltalk installAutoloadedClassesFrom:'include/abbrev.stc'.
"/    ].
"/    ].

    LicenceBox autoload.

    LicenceBox licenceRejectSignal handle:[:ex|
	Smalltalk exit
    ] do:[
	LicenceBox open.
	Smalltalk at:#LicenceBox put:nil.
    ].
].

"/
"/ read private (per user) stuff
"/
'smalltalk.rc [info]: reading ''private.rc'' ...' infoPrintCR.
Smalltalk fileIn:'private.rc'.

"/
"/ read saved configuration settings (if any)
"/
"/ 'smalltalk.rc [info]: reading ''settings.stx'' ...' infoPrintCR.
Smalltalk fileIn:'settings.stx'.

"/
"/ set the package to some useful default
"/
Project notNil ifTrue:[
    Project setDefaultProject.
    Project current packageName:#'private'.
].

"/
"/ if error occurs, and debugger has problems coming up,
"/ uncomment the following ...
"/
"/ Debugger := MiniDebugger.

"/
"/ save an initial image; this will speedup the next startup
"/ (since all autoload-stuff will already be initialized)
"/

"/ 'st.img' asFilename exists ifFalse:[
"/     |doneWithStartupStuff|
"/ 
"/     doneWithStartupStuff := Semaphore new.
"/ 
"/     Smalltalk addStartBlock:[
"/      [
"/          doneWithStartupStuff wait.
"/             'smalltalk.rc [info]: saving initial image for faster future startup ...' infoPrintCR.
"/             ObjectMemory primSnapShotOn:'st.img'
"/      ] forkAt:1
"/     ].
"/ 
"/     Smalltalk addStartBlock:[
"/      [
"/          Delay waitForSeconds:10.
"/          doneWithStartupStuff signal
"/      ] forkAt:1
"/     ].
"/ ].
!