COP 4020 Programming Langauges

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COP 4020Programming Langauges

• Dr. Roy Levow
• Office hours M 5-630
• Email roy_at_cse.fau.edu
• http//www.cse.fau.edu/roy

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Why Study Programming Languages?

• Improve ability to develop algorithms
• Improve use of programming languages
• Increase vocabulary of programming constructs
• Allow better choice of Programming Languages
• Facilitate learning new languages
• Facilitate designing new languages

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Short History

• FORTRAN 1957
• Algol 1958
• COBOL 1960
• LISP 1960
• C 1972

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Software Architecture

• Batch
• Interactive
• Personal computer
• Embedded systems
• Distributed computing
• Internet

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Application Domains

• Business
• Scientific
• System
• Artificial Intelligence
• Publishing
• Process

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Influences for Language Modification

• Computer capabilities
• Applications
• Programming methods
• Implementation methods
• Theoretical studies
• Standardization

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Attributes of a Good Language

• Clarity, simplicity, unity
• Orthogonality
• Naturalness to application
• Support for abstraction
• Ease of program verification

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Good Attributes (cont.)

• Programming environment
• Portability of programs
• Cost of use
• Execution
• Translation
• Creation, testing, use
• Maintenance

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SyntaxandSemantics
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Language Paradigms

• Imperative
• Applicative
• Rule-based
• Object-oriented

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Language Standardization

• Proprietary standards
• Consensus standards
• Timeliness
• Conformance
• Obsolencence

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Internationalization

• Alphabet and collating sequence
• Date format
• Time format
• Currency
• Time zones
• Ideographic systems

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Programming Environments

• Editor, compiler, debugger, etc.
• Interpretation
• Separate compilation and linking
• Testing and debugging