Overview of Compilation Readings: EAC2 Chapter 1 6 CHAPTE EECS4302 M: Compilers and Interpreters Winter 2020 CHEN-WEI WANG What is a Compiler? (2) ● The idea about a compiler is extremely powerful: rview of Compilation You can turn anything to anything else, as long as the following are clear about them: ○ SYNTAX [ specifiable […]
Overview of Compilation Readings: EAC2 Chapter 1 EECS4302 M: Compilers and Interpreters Winter 2020 CHEN-WEI WANG What is a Compiler? (1) A software system that automatically translates/transforms input/source programs (written in one language) to output/target programs (written in another language). 2 of 18 input semantic domain Input/Source Language Input/Source Program encoded into passed to encoded
Generics EECS3311 A & E: Software Design Fall 2020 CHEN-WEI WANG Learning Objectives Upon completing this lecture, you are expected to understand: 1. A general collection ARRAY[ANY]: storage vs. retrieval 2. A generic collection ARRAY[G]: storage vs. retrieval 3. Generics vs. Inheritance 2 of 18 Motivating Example: A Book of Any Objects class BOOK names:
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Drawing a Design Diagram using the Business Object Notation (BON) EECS3311 A: Software Design Fall 2019 CHEN-WEI WANG Why a Design Diagram? SOURCE CODE is not an appropriate form for communication. Use a DESIGN DIAGRAM showing selective sets of important: X clusters X classes X architectural relations X features (queries and commands) (i.e., packages) [
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Generics EECS3311 A: Software Design Fall 2018 CHEN-WEI WANG Motivating Example: A Book of Any Objects class BOOK names: ARRAY[STRING] records: ARRAY[ANY] — Create an empty book make do … end — Add a name-record pair to the book add (name: STRING; record: ANY) do … end — Return the record associated with a given
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Generics EECS3311 A: Software Design Fall 2019 CHEN-WEI WANG Motivating Example: Observations (1) ● In the BOOK class: ○ In the attribute declaration records: ARRAY[ANY] ● ANY is the most general type of records. ● Eachbookinstancemaystoreanyobjectwhosestatictypeisa descendantclass ofANY. ○ Accordingly, from the return type of the get feature, we only know that the returned record
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Generics EECS3311 A: Software Design Fall 2019 CHEN-WEI WANG Motivating Example: A Book of Any Objects class BOOK names: ARRAY[STRING] records: ARRAY[ANY] — Create an empty book make do … end — Add a name-record pair to the book add (name: STRING; record: ANY) do … end — Return the record associated with a given
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Drawing a Design Diagram using the Business Object Notation (BON) EECS3311 A: Software Design Fall 2019 CHEN-WEI WANG Classes: Detailed View vs. Compact View (1) ● ● shows a selection of: ○ features (queries and/or commands) Detailed view ○ contracts (class invariant and feature pre-post-conditions) ○ Use the detailed view if readers of your design
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UCSD DEPARTMENT OF COMPUTER SCIENCE CS 123 Computer Networks: Route Computation In earlier lectures, we broke routing up into four pieces. The first was addressing by which we defined the structure of IP addresses and prefixes and NATs. The second piece of the puzzle is neighbor routing by which endnodes talk to routers (e.g, things
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Generics EECS3311 A: Software Design Fall 2018 CHEN-WEI WANG Motivating Example: Observations (1) ● In the BOOK class: ○ In the attribute declaration records: ARRAY[ANY] ● ANY is the most general type of records. ● Eachbookinstancemaystoreanyobjectwhosestatictypeisa descendantclass ofANY. ○ Accordingly, from the return type of the get feature, we only know that the returned record
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