f9ad51b5c5
wrote more code for implementing exception handling
262 lines
4.5 KiB
Smalltalk
262 lines
4.5 KiB
Smalltalk
#class Apex(nil)
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{
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#dcl(#class) sysdic.
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## -------------------------------------------------------
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## -------------------------------------------------------
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#method(#class) dump
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{
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<primitive: #_dump>
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}
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#method dump
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{
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<primitive: #_dump>
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}
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## -------------------------------------------------------
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## -------------------------------------------------------
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#method(#class) yourself
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{
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^self.
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}
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#method yourself
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{
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^self.
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}
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## -------------------------------------------------------
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## -------------------------------------------------------
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#method(#class) basicNew
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{
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<primitive: #_basic_new>
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self primitiveFailed.
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}
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#method(#class) basicNew: anInteger
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{
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<primitive: #_basic_new_with_size>
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self primitiveFailed.
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}
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#method(#class) ngcNew
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{
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<primitive: #_ngc_new>
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self primitiveFailed.
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}
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#method(#class) ngcNew: anInteger
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{
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<primitive: #_ngc_new_with_size>
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self primitiveFailed.
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}
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#method(#class) new
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{
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| x |
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x := self basicNew.
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x initialize. "TODO: assess if it's good to call 'initialize' from new."
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^x.
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}
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#method(#class) new: anInteger
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{
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| x |
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x := self basicNew: anInteger.
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x initialize. "TODO: assess if it's good to call 'initialize' from new."
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^x.
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}
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#method initialize
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{
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"a subclass may override this method."
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^self.
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}
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#method ngcDispose
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{
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<primitive: #_ngc_dispose>
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self primitiveFailed.
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}
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## -------------------------------------------------------
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## -------------------------------------------------------
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#method shallowCopy
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{
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<primitive: #_shallow_copy>
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self primitiveFailed.
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}
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## -------------------------------------------------------
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## -------------------------------------------------------
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#method class
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{
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<primitive: #_class>
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}
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#method(#class) class
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{
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<primitive: #_class>
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^Class
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}
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## -------------------------------------------------------
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## -------------------------------------------------------
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#method basicSize
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{
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<primitive: #_basic_size>
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self primitiveFailed.
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}
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#method(#class) basicSize
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{
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<primitive: #_basic_size>
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self primitiveFailed.
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}
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#method basicAt: anInteger
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{
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<primitive: #_basic_at>
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## TODO: chagne it to 'self outOfRangeError' or something.
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self error: 'out of range'.
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}
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#method basicAt: anInteger put: anObject
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{
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<primitive: #_basic_at_put>
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self error: 'out of range'.
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}
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#method(#class) basicAt: anInteger
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{
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<primitive: #_basic_at>
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self error: 'out of range'.
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}
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#method(#class) basicAt: anInteger put: anObject
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{
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<primitive: #_basic_at_put>
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self error: 'out of range'.
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}
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## -------------------------------------------------------
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## -------------------------------------------------------
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#method == anObject
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{
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"check if the receiver is identical to anObject.
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this doesn't compare the contents"
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<primitive: #_identical>
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}
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#method ~~ anObject
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{
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<primitive: #_not_identical>
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^(self == anObject) not.
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}
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#method(#class) == anObject
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{
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"check if the receiver is identical to anObject.
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this doesn't compare the contents"
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<primitive: #_identical>
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}
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#method(#class) ~~ anObject
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{
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<primitive: #_not_identical>
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^(self == anObject) not.
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}
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## TODO: add = and ~= for equality check.
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#method isNil
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{
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"^self == nil."
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^false
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}
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#method notNil
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{
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"^(self == nil) not"
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"^self ~= nil."
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^true.
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}
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#method(#class) isNil
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{
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"^self == nil."
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^false
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}
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#method(#class) notNil
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{
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"^(self == nil) not"
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"^self ~= nil."
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^true.
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}
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## -------------------------------------------------------
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## -------------------------------------------------------
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"
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#method(#class) respondsTo: selectorSymbol
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{
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TODO: find selectorSymbol in the class method dictionary...
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}
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#method respondsTo: selectorSymbol
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{
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TODO: find selectorSymbol in the method dictionary...
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}
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"
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## -------------------------------------------------------
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## -------------------------------------------------------
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## method(#class) primitiveFailed
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## {
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## this method will be added after Exception class has been defined.
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## }
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#method primitiveFailed
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{
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self class primitiveFailed.
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}
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#method(#class) doesNotUnderstand: messageSymbol
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{
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## TODO: implement this
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## UnrecognizedMessage signal.
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self class dump.
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'does not understand' dump.
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}
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#method doesNotUnderstand: messageSymbol
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{
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self class doesNotUnderstand: messageSymbol
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}
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#method(#class) error: msgText
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{
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## TODO: implement this
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## Error signal: msgText.
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msgText dump.
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}
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#method error: aString
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{
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self class error: aString.
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}
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#method cannotInstantiate
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{
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self class cannotInstantiate
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}
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}
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