CONCEPTS OF PROGRAMMING LANG.-TEXT
11th Edition
ISBN: 2810017678981
Author: Sebesta
Publisher: PEARSON
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Chapter 3, Problem 11RQ
Explanation of Solution
Order of evaluation of attributes determined for trees of a given attribute grammar:
It is basically determined by the requirement on demand and dependency in the code, than order in which they are present. Knowing the static semantic rules of any language is must for any designer to work over for compiler.
Difficulty is in size and complexity of description of complete set of syntax and semantics of a real contemporary language...
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Students have asked these similar questions
What are the disadvantages of utilizing attribute grammar to define the whole syntax and static semantics of a programming language?
What are the difficulties in using an attribute
grammar to describe all of the syntax and static
semantics of a contemporary programming
language?
Exercise 1
Convert the VSPL context free grammar into an LL(1) grammar. Make all the necessary adjustments (if
any are needed). Please assume that the grammar is not ambiguous. Therefore, you just need to
eliminate left recursion and perform left factoring.
1. Write the FIRST and FOLLOW sets for all the non-terminals of the LL(1) grammar produced in
Exercise 1
2. Develop the parsing table for the LL(1) grammar produced in Exercise 1
Chapter 3 Solutions
CONCEPTS OF PROGRAMMING LANG.-TEXT
Ch. 3 - Prob. 1RQCh. 3 - Prob. 2RQCh. 3 - Prob. 3RQCh. 3 - Prob. 4RQCh. 3 - Prob. 5RQCh. 3 - Prob. 6RQCh. 3 - Prob. 7RQCh. 3 - Prob. 8RQCh. 3 - Prob. 9RQCh. 3 - What is the difference between a synthesized and...
Ch. 3 - Prob. 11RQCh. 3 - Prob. 12RQCh. 3 - Prob. 13RQCh. 3 - Prob. 14RQCh. 3 - Prob. 15RQCh. 3 - Prob. 16RQCh. 3 - Prob. 17RQCh. 3 - Prob. 18RQCh. 3 - Prob. 19RQCh. 3 - Prob. 20RQCh. 3 - Prob. 21RQCh. 3 - What does partial correctness mean for a loop...Ch. 3 - Prob. 23RQCh. 3 - Prob. 24RQCh. 3 - Prob. 25RQCh. 3 - Prob. 26RQCh. 3 - Prob. 27RQCh. 3 - Prob. 28RQCh. 3 - Prob. 29RQCh. 3 - The two mathematical models for language...Ch. 3 - Write EBNF descriptions for the following: a. A...Ch. 3 - Prob. 3PSCh. 3 - Prob. 4PSCh. 3 - Prob. 5PSCh. 3 - Prob. 6PSCh. 3 - Prob. 9PSCh. 3 - Prob. 10PSCh. 3 - Prob. 12PSCh. 3 - Prob. 15PSCh. 3 - Prob. 16PSCh. 3 - Prob. 17PSCh. 3 - Prob. 18PSCh. 3 - Compute the weakest precondition for each of the...
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Similar questions
- For each of the following grammars, devise predictive parsers and show the parsing tables. You may left-factor and/or eliminate left-recursion from your grammars first.arrow_forwardWhy do compilers employ parsing techniques that only work with a subset of all grammars?arrow_forwardFinish rewriting the programming language on page 7 to LL1 grammar. ( Then, start programming a parser based on this LL1 grammar )arrow_forward
- What are the drawbacks of using an attribute grammar to express all of a programming language's syntax and static semantics?arrow_forwardExplain why compilers use parsing algorithms that work on only a subset of all grammars.arrow_forwardIf you want to help us better understand the norms of CFG (Context Free Grammar), you may provide an example of "Semantic augmentation" and explain them.arrow_forward
- 7. The analyzer syntactic is required for the following grammar: File = file (line | epsilon) Line = (ID (parameter_list | epsilon) | epsilon) NL Parameter_list = param (, parameter_list | epsilon) Param = (ID | F) (param | epsilon)arrow_forwardUsing the grammar and parse table below, show every step of an LR parser processing thetoken stream :id * ( id + id ) $ 1: E → E + T2: E → T3: T → T ∗ F4: T → F5: F → ( E )6: F → idarrow_forwardName out all the persons who have contributions in context-free-grammar (CFG) design process.arrow_forward
- To help me better grasp the ideas of CFG (Context Free Grammar), could you please offer an example of "Semantic Augmentation" and explain the principles?arrow_forwardQuestion 4 A grammar that generates a sentential form for which there are two or more distinct parse trees is said to be (One word)arrow_forwardFirst, please elaborate on why compilers use parsing strategies that are only efficient for a subset of all grammars.arrow_forward
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