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Language Implementation Methods

Learn about the three implementation methods for programming languages: Compilation, Pure Interpretation, and Hybrid System. Understand the translation processes and execution speeds involved in each method.

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Language Implementation Methods

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  1. Language Implementation Methods David Woolbright

  2. Interpretation • Interpretation occurs when the code that represents a program is read and causes an action or change in state of the executing machine. • Interpretation can occur in hardware or software

  3. Implementation of Languages There are three general methods for implementing a language Method 1: Compilation – The source program is translated into machine code (0’s and 1’s) which is interpreted by hardware - Slow translation - Fast execution

  4. Compilation Process (Sebesta Diagram)

  5. Pure Interpretation Method 2: Pure Interpretation – The source code is unchanged. An interpreter program executes reading your source as data to determine how to “execute” your program • Slow execution • Very flexible

  6. Pure Interpretation (Sebesta Diagram)

  7. Hybrid System Method 3: Hybrid System - The source code is partially translated to an intermediate format. This intermediate code is input to an interpreter. • Small translation cost • Medium execution speed

  8. Hybrid System(Sebesta Diagram) • - Small translation cost • - Medium execution speed

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