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Objectworks for Smalltalk-80, ParcPlace Systems, 1988.

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Exception Handling and Object-Oriented Programming: towards a.. - Dony (1990)   (14 citations)  (Correct)

....implemented: the former [Dony 88] Dony 89] for the Lore language [Caseau86] Caseau87] the latter for Smalltalk 1 (some notes about this second implementation are provided throughout the paper) All examples in the paper use the Smalltalk syntax. 1 Objectworks for Smalltalk 80, v2.4, v2.5 [PP 88] 2. Terminology Software failures reveal either programming errors or the application of correct programs to an ill formed set of data; more generally, an exception can be defined as a situation leading to an impossibility of finishing a computation. Two main types of exceptions can be ....

Objectworks for Smalltalk-80, ParcPlace Systems, 1988.


A Layered Approach to Dedicated Application.. - Steyaert, De.. (1994)   (Correct)

....user interface for the Smalltalk programming environment. In (Tesler, 1986) it is argued that the MVC framework is very broad, and can be used to explore different user interface paradigms. Nevertheless, it needs more refinement to allow for actual code reuse. In the ObjectWorks Smalltalk 4. 1 (ObjectWorks, 1992) class library this is accomplished with a group of pluggable views . In practice we feel that this is not enough to call it a real UIMS: there is still too much burden left on the programmer (e.g. the positioning of the visual elements) Moreover, it is hard to scale up MVC applications since ....

ParcPlace Systems. Objectworks\Smalltalk Release 4.1 User's Guide. ParcPlace Systems 1992.


Browsing in Explicit Metaclass Languages : An Essay in.. - Rousseau, Malenfant (1993)   (1 citation)  (Correct)

....design be based on In addition to the basic functionalities expected from a standard browser, there is a list of characteristics we would consider desirable as well: 1. Users require a browser that can represent each and every class as done in implicit metaclass environments e.g. Smalltalk 80 [7]. 2. Any complex information introduced by explicit metaclasses should be hidden by the interface. 3. It should be relatively easy for the metaclass designer to add, in the browser, concepts associated with his new metaclasses. 3 A browser for an explicit metaclass language 3.1 Centralized ....

ObjectWorks\Smalltalk v4.1. ParcPlace Systems, 1992.


An Object-Oriented Inference Engine for PROLOG - Daniel Lanovaz   (Correct)

....frame format would be a highly optimized version of the standard frame object format. If an object tries to send a message to a frame format object (for example, the debugger) it would be converted to standard object format and moved from the stack zone to object memory transparent to the user [12]. In conclusion, several tradeoffs were considered when implementing Godel s run time stack structures: object count, object size, execution efficiency, and exploratory programming flexibility. It was discovered that object pooling reduced the amount of memory allocation and garbage collection, ....

Objectworks Advanced User's Guide, ParcPlace Systems, Mountain View, California, 1989, pp. 6.4 - 6.7.

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