CONCEPTS OF PROGRAMMING LANG.-TEXT
11th Edition
ISBN: 2810017678981
Author: Sebesta
Publisher: PEARSON
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Chapter 4, Problem 7RQ
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State diagram:
State diagram is a diagraph, in which the nodes represent the states and the edges represent an input or output symbol which can cause transition among states.
Suppose user requires a lexical analyzer which is used to recognize only arithmetic expressions that also includes integer literals and variable names as operands.
- Here it is supposed that the strings of lowercase letters, uppercase letters are contained in the variable name and also the digit must start with a letter.
- There are no length limitations in the names...
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Why are character classes used, rather than individual characters, for theletter and digit transitions of a state diagram for a lexical analyzer?
b. Using diagrams, mathematic notations or representations explain the syntax analysis stage in the program compilation process and its effect or relationship on/with the token table.
Do you have any idea what you're talking about when you use the term "static semantics?" Is it possible to provide certain instances of static semantic norms that defy or cannot be explained by BNF?
Chapter 4 Solutions
CONCEPTS OF PROGRAMMING LANG.-TEXT
Ch. 4 - Prob. 1RQCh. 4 - Prob. 2RQCh. 4 - Prob. 3RQCh. 4 - Prob. 4RQCh. 4 - Prob. 5RQCh. 4 - Prob. 6RQCh. 4 - Prob. 7RQCh. 4 - Prob. 8RQCh. 4 - Prob. 9RQCh. 4 - Prob. 10RQ
Ch. 4 - Prob. 11RQCh. 4 - Prob. 12RQCh. 4 - Prob. 13RQCh. 4 - Prob. 14RQCh. 4 - Prob. 15RQCh. 4 - Prob. 16RQCh. 4 - Prob. 17RQCh. 4 - Prob. 18RQCh. 4 - Prob. 19RQCh. 4 - Prob. 20RQCh. 4 - Prob. 21RQCh. 4 - Prob. 22RQCh. 4 - Prob. 23RQCh. 4 - What was Knuths insight in developing the LR...Ch. 4 - Prob. 25RQCh. 4 - Prob. 26RQCh. 4 - Is left recursion a problem for LR parsers?Ch. 4 - Prob. 1PSCh. 4 - Prob. 2PSCh. 4 - Prob. 3PSCh. 4 - Prob. 4PSCh. 4 - Prob. 7PSCh. 4 - Prob. 8PS
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- Explain the three reasons why lexical analysis is separated from syntaxanalysisarrow_forwardIs there any reason why modern programming languages can't do without pass-by-value and pass-by-reference constructs? Why is it that we can't just choose one of these? Please address the benefits of having both and the drawbacks of having either alone in your answer.arrow_forwardWhat is the definition of a categorization algorithm?arrow_forward
- When you say "static semantics," do you actually understand what you're talking about? Is it possible to provide examples of static semantic rules that, when explained using BNF, are either difficult to explain or impossible to explain?arrow_forwardWhat is parametric polymorphism in a subprogram, and give an example of how it is used including an explanation?arrow_forward2. You are expected to design a state diagram for the lexical analysis of an arithmetic expression, also discuss the utility subprograms involved in the design.arrow_forward
- When you mention "static semantics," do you have any idea what you're talking about? Do static semantic norms exist that defy or cannot be explained by BNF?arrow_forwardDo you know what you're talking about when you say static semantics? Is it possible to provide examples of static semantic rules that are difficult or impossible to explain using BNF?arrow_forwardClasses are used to group together data and operations into a single syntactical unit and to denote that these coding elements are related to each other Classes and objects: what are they? What's the deal with these two?arrow_forward
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