Recent questions and answers in Compiler Design
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Recent questions and answers in Compiler Design

Recent questions and answers in Compiler Design
0 votes
0 answers 33 views
Made Easy 2022 test series, CD-1 question
Consider the following syntax directed definition: What type of SDT is this? S-attributed L-attributed Neither Both Due to production #2 and #3, it should not be L-attributed as parent is taking value from its child. Also, as semantic rules are written anywhere in the RHS of the production, it is not S-attributed. Given answer in test series : L-attributed
Naman9495 asked in Compiler Design Sep 5
by Naman9495
5 points
33 views
0 votes
0 answers 14 views
#SelfDoubt #First and Follow
Hi guys can anyone help me to find that what will be the First and Follow set for this production? {A->BaA|epsilon, B->bB|ABC|epsilon, C->B}
arnab2022 asked in Compiler Design Aug 24
by arnab2022
5 points
14 views
0 votes
0 answers 19 views
#Made Easy practice Book # Left-Recursion
Given a LR grammar {S->A|B, A->Aa|epsilon, B->Bb|Sc|epsilon} can I solve it in following way? 1) S->A|Bb|Sc|epsilon (Placing B’s productions in S) => AS' | BbS' | epsilon & S'->cS' | epsilon 2) A->A' & A'->aA' | epsilon 3)B->ScB' | B' & B'->bB' | epsilon
arnab2022 asked in Compiler Design Jul 18
by arnab2022
5 points
19 views
0 votes
0 answers 32 views
GATE-2017 set-01
Errors violating the condition ‘any variable must be declared before its use’ are detected during semantic analysis. Why cannot it come under syntax analysis? Does declaration not fall under Syntax?
GreyMatter asked in Compiler Design Jul 14
by GreyMatter
5 points
32 views
0 votes
0 answers 19 views
#Self Doubt #Recursive CFG
Are all recursive grammar may it direct or indirect produce infinite language?
arnab2022 asked in Compiler Design Jul 13
by arnab2022
5 points
19 views
0 votes
0 answers 32 views
Madeeasy Workbook
Consider the grammar 1. S-> X1 2. X-> A1B 3. X-> 2 4. A-> 2 5. B-> A How the above grammar is not LR(1)?
tipd asked in Compiler Design Jul 4
by tipd
5 points
32 views
0 votes
0 answers 19 views
Gate 2021 Compiler Design Modified Question Doubt
In the following gate 2021 question from compiler design, https://gateoverflow.in/357425/gate-cse-2021-set-1-question-26 suppose option C is modified as : The actions can be used to type-check syntactically correct boolean variable declarations BUT ... rule using the production D → bool ID. Then, will option C be correct in addition to option B ?
debendra2021 asked in Compiler Design Jun 1
by debendra2021
5 points
19 views
0 votes
0 answers 19 views
Applied Gate Live CD-2
Consider the basic block given below: a=10 b=4*a t1=i*j c=t1+b t2=15*a d=t2*c e=i t3=e*j t4=i*a c=t3+t4 The minimum number of nodes present in the DAG representation of the above basic block is _____.
bg_kenZ asked in Compiler Design May 28
by bg_kenZ
5 points
19 views
0 votes
0 answers 20 views
Workbook Question Found on Web
rahul0521 asked in Compiler Design May 15
by rahul0521
5 points
20 views
0 votes
0 answers 27 views
CollegeAssignment
Draw the canonical collection of lr(0) item s-->da|ab a-->ba|c B-->bB|c. Find out whether the grammar is LR(0) or not and SLR(1) or not.
Prubhtej_9 asked in Compiler Design Apr 3
by Prubhtej_9
5 points
27 views
0 votes
0 answers 33 views
#Madeeasywork book
Caption
Pradeep Verma asked in Compiler Design Mar 12
by Pradeep Verma
5 points
33 views
3 votes
2 answers 481 views
GATE CSE 2021 Set 1 | Question: 31 | Video Solution
Arjun asked in Compiler Design Feb 18
by Arjun
1.5k points
481 views
1 vote
0 answers 29 views
Parsing table
Can we generate different parsing table for grammar
SHWETA RAO asked in Compiler Design Feb 14
by SHWETA RAO
9 points
29 views
0 votes
0 answers 25 views
self doubt compiler design
char c = ‘a’; How many tokens the above statement has. My doubt is about the single quote.'a' is taken as 1 token or 3?
rahul65 asked in Compiler Design Feb 11
by rahul65
5 points
25 views
0 votes
0 answers 25 views
compiler construction self doubt
Consider the following grammar S → S ; T | T T → s Construct DFA of LR(1) Items Show the parsing stack for the input string s;s;s
ruqyya asked in Compiler Design Feb 10
by ruqyya
5 points
25 views
1 vote
0 answers 66 views
Made Easy Test
How to solve it?
Parth27 asked in Compiler Design Jan 29
by Parth27
163 points
66 views
0 votes
0 answers 78 views
self doubt: Compiler Design
(i) if a non token were in the code would it be counted in the lexical analysis? (ii) and will it generate an error in the lexical analysis phase or simply ignore that and count rest of the tokens? like, in this code : ifx = 12*54; what would be the output from lexical analysis phase?
5andy asked in Compiler Design Jan 26
by 5andy
5 points
78 views
0 votes
0 answers 46 views
Doubt Compiler design
what are the minimum number of registers required without any register splitting in following case c=a+b; d=a+b; as we can see at instruction 1, a and b are live c is dead at instruction 2 also a and b are live d is dead how many min register ... only. so according to that only 2 variable at max are live at any point so 2 register should be required..what would be the answer
Sneha negi asked in Compiler Design Jan 23
by Sneha negi
9 points
46 views
0 votes
0 answers 20 views
testbook-test
val_pro20 asked in Compiler Design Jan 18
by val_pro20
2 points
20 views
0 votes
0 answers 24 views
Directed Acyclic Graph in CD
Can anyone provide me good reference for solving Directed Acyclic Graphs(DAG) problems?
nikhil856 asked in Compiler Design Jan 15
by nikhil856
13 points
24 views
0 votes
0 answers 27 views
Made Easy Test series
Answer will 8 or 9? i got 9 (according to me no optimization should be done in Intermediate representation form) closed
Nitinkumar.097 asked in Compiler Design Jan 13
by Nitinkumar.097
13 points
27 views
0 votes
0 answers 27 views
Ace Test Series
I know A,B,C are valid answer But can anyone confirm if D is also valid..We have epsilon in RHS it should not be Operator Grammer so D should be also valid???...can i get help
vipin.gautam1906 asked in Compiler Design Jan 9
by vipin.gautam1906
9 points
27 views
0 votes
0 answers 119 views
Intermediate 3 address code generation doubt related to unary operators in an arithmetic expression
rish-18 asked in Compiler Design Dec 30, 2020
by rish-18
9 points
119 views
0 votes
1 answer 40 views
Number system,Gate-2021, previous year Gate questions
zxy123 answered in Compiler Design Dec 29, 2020
by zxy123
3.6k points
40 views
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