Concepts Of Programming Languages
12th Edition
ISBN: 9780134997186
Author: Sebesta, Robert W.
Publisher: Pearson,
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Expert Solution & Answer
Chapter 4, Problem 8PS
Explanation of Solution
Complete parse for the string “(id+id)*id” using the parse table:
The complete trace of the shift reduce parser including stack contents, input string, and action is shown below.
| Stack | Input | Action |
| 0 | (id+id)*id$ | Shift 4 |
| 0(4 | id+id)*id$ | Shift 5 |
| 0(4id5 | +id)*id$ | Reduce 6 (GOTO[4, F]) |
| 0(4F3 | +id)*id$ | Reduce 4 (GOTO[4, T]) |
| 0(4T2 | +id)*id$ | Reduce 2 (GOTO[4, E]) |
| 0(4E8 | +id)*id$ | Shift 6 |
| 0(4E8+6 | id)*id$ | Shift 5 |
| 0(4E8+6id5 |
Expert Solution & Answer
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Bottom-up Parsing : Show a complete parse, including the parse stack contents, input string, and actions for the string id + (id * id + id) using the grammar and parse table
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Chapter 4 Solutions
Concepts Of Programming Languages
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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- Given the following grammar, and right sentential form, draw a parse tree and show the phrases and simple phrases as well as the handle for the strings a, b, and c below. Grammar A->aAb | bBA A->ab | aAB B->aB | b a) aaAbb b) bBab c) aaAbBbarrow_forwardParsing a small set of grammars is possible using a variety of approaches.arrow_forwardWhat is the problem with a grammar that generates two different parse treesarrow_forward
- a) Write a grammar for parsing the string a=b/(c–d)*(x+y).b) Now perform a Left-most derivation for the string.c) Draw a parse tree for the string.d) Is the grammar ambiguous? Motivate your answer.arrow_forwardShow parse tree and abstract syntax tree for: a + b * c * d * e - farrow_forwardConstruct LR(0) parsing table and check whether the given grammar is LR(0) or notB→B/B|B+B|B*B|(B|aarrow_forward
- Consider the grammar G where the start symbol isSwitha set of non-terminals{S A}, a set of terminals{a b c d}, and with the followingproductions/rules. Create a parsing table and show the steps of a parsing program(changes in stack, input, output) while verifying the inputcadwith the grammar G. S→cAd A→ab|aarrow_forwardP -> QP | Rb Q -> ( P ) | a R -> Qb a. Make a GOTO operation transition diagram (Canonical Set) b. Make a SLR table from the grammar above c. Check the parsing movement with the input: ( aabb )ab.arrow_forwardGiven the grammar,generate a bottom up treearrow_forward
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