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Question:
Published on: 3 December, 2024

For the input expression (4*7+1)*2, construct an annotated parse tree.

Answer:

Subjects
C Programming and Practices Data Structures & Algorithm Design and Analysis of Algorithm Compiler Design Computer Graphics and Multimedia Software Engineering
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Generate the three address code for the following code segment.

main()

{

       int a=1, z=0;

       int b[10];

       while (a<=10)

             b[a]=2*a;

       z=b[a]+a;

}
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What do you mean by a Handle? Give example. When a grammar is called ambiguous? Is there any technique to remove ambiguity? Explain with an example. What is the reduce-reduce conflict in LR parser? What are various data structures used for symbol table construction?
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Consider the grammar:

S → aSbS | bSaS | 𝜖

  • Show that this grammar is ambiguous by constructing two different left most derivations for the sentence abab.
  • Construct the corresponding right most derivations for abab.
  • Construct the corresponding parse tree for abab.
  • What language does this grammar generate?
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Convert the Regular Expression  into e-NFA and then corresponding DFA.
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Describe various actions of a shift reduce parsers.
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