"/

"/ $Header$

"/

"/ This file is processed at initial startup 

"/ - not when resuming an image.

"/

"/

"/ install uncompiled classes as autoload

"/ classes ... (if not already present)

"/ Autoloaded classes will be automatically filed-in

"/ when first accessed. This allows a smaller executable,

"/ but creates a short delay, when the class is loaded on

"/ first access.

"/

"/ You can add more classes to these lists -

"/ i.e. all your classes you like to have around,

"/ but which are not needed often enough to justify

"/ machine code for them ...

|system iSets requiredClasses enableJIT|

'patches [info]: initial startup (snapshot image restart is faster) ...' infoPrintCR.

"/

"/ the JIT translator is known to work with the following

"/ architectures:

"/  ix86        (linux, win32, unixware)

"/  sgi-mips    (irix)

"/  alpha       (osf)

"/  sparc       (solaris)   [only tested with v7 & v8 cpus]

"/  aix         (rs6k)    

"/

enableJIT := false.

system := OperatingSystem getSystemType.

(#(

  'linux'

  'unixware'

  'solaris'

  'iris'

  'osf'

  'win32'

) includes:system) ifTrue:[

    enableJIT := true.

    system = 'solaris' ifTrue:[

	"/ for now, disable if we detect running on a sparcV9;

	"/ Reason:

	"/   we only have v8 machines here (at eXept), 

	"/   and therefore have no way of checking if it runs on v9.

	"/  I dont want ST/X to crash on your side in that case ...

	"/  ... better run a bit slower than not running at all.

	"/ Please let us know if it runs and we will remove the code below

	"/ (which you should do as well).

	iSets := OperatingSystem getSystemInfo at:#instructionSets.

	(iSets includesString:'sparcv9') ifTrue:[

	    'patches [warning]: disable JIT for sparcV9 - not yet validated' infoPrintCR.

	    enableJIT := false

	]

    ]

].

enableJIT ifTrue:[

    "/ 'patches [info]: turn on JIT ...' infoPrintCR.

    ObjectMemory justInTimeCompilation:true.

].

"/ GLXWorkstation forceGL:true.

"/ OperatingSystem disableSignal:14.

ObjectMemory infoPrinting:false.

"/ Smalltalk loadBinaries:true.

Compiler allowUnderscoreInIdentifier:true. 

Compiler warnUnderscoreInIdentifier:false. 

Compiler warnSTXSpecials:false.

Project notNil ifTrue:[

].

"/

"/ when filing in, keep source as reference to file

"/ (instead of keeping a string locally in the image)

"/

"/ I disable this - its dangerous if you fileIn

"/ classes from other directories and fileOut later clobbers those files

"/

"/ ClassCategoryReader sourceMode:#reference.

"/

"/ the following are required (either compiled or interpreted) ...

"/

requiredClasses := #( 

     ObsoleteObject

     "/ BinaryIOManager BinaryInputManager BinaryOutputManager BinaryObjectStorage

     StringCollection

     CachingRegistry Registry

).

requiredClasses do:[:s |

    (Smalltalk at:s) isNil ifTrue:[

	('patches [info]: loading ' , s , ' ...') infoPrintCR.

	Smalltalk fileInClass:s initialize:true lazy:false silent:true

    ]

].

!

|optionalViews|

(Smalltalk at:#View) isNil ifTrue:[

    'patches [info]: installing required autoloaded classes ...' infoPrintCR.

    optionalViews := #(

			DeviceWorkstation

			Workstation

			XWorkstation

			DisplayRootView

			SimpleView

			TopView

			StandardSystemView

			ModalBox

			View

			PseudoView

			DeviceDrawable

			DisplayMedium

			DisplaySurface

			GraphicsMedium

			DeviceGraphicsContext

			GraphicsContext

			Image

			ViewStyle

			KeyboardMap

			KeyboardForwarder

			TextCollector

			SynchronousWindowSensor

			WindowSensor

			WindowGroup

			WindowEvent

			WindowingTransformation

			FontDescription

			Font

			Form

			Cursor

			Color

			Depth1Image

			Depth8Image

			ResourcePack

			Model

			Controller

			ApplicationModel

			ApplicationWindow

			WindowBuilder

			PopUpView

			ShadowView

			Colormap

			DeviceHandle

			DisplayObject

		     ).

    optionalViews do:[:s |

	"install if not already compiled-in"

	(Smalltalk at:s) isNil ifTrue:[

	    Autoload subclass:s

		 instanceVariableNames:''

		 classVariableNames:''

		 poolDictionaries:''

		 category:'autoloaded-Views'

	]

    ].

    (Smalltalk at:#DeviceWorkstation) autoload.

    (Smalltalk at:#XWorkstation) autoload.

    (Smalltalk at:#Workstation) autoload.

    (Smalltalk at:#DeviceHandle) autoload.

].

!

Project notNil ifTrue:[

].

'patches [info]: installing patches ...' infoPrintCR.

!

"/ future systems will read patches from a patch-directory,

"/ called stxPatches. (we will deliver patch-sets in the future)

"/ This is not yet implemented, but we are prepared here for

"/ this ...

"/ patches from that directory are read in alphabetic order;

"/ patches will be named them p_nnnn.st, where nnnn is a sequence-nr.

|patchDir|

patchDir := 'stxPatches' asFilename.

(patchDir exists and:[patchDir isDirectory and:[patchDir isReadable]]) ifTrue:[

    patchDir directoryContents sort do:[:f |

	|fn|

	fn := (patchDir construct:f) name.

	('patches [info]: reading patchFile ''' , fn , ''' ...') infoPrintCR.

	Smalltalk fileIn:fn.

    ]

].

!

"/

"/ the following patches where added by the changesBrowsers 'make change a patch'

"/ function ...

"/

!