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 65 views
made easy test series
In which cases we can apply strength reduction, for example can i apply strength reductio on : for(i=0 to n) { z=5*(i+1) }
Pankaj_Kumar asked in Compiler Design Dec 2, 2021
by Pankaj_Kumar
5 points
65 views
0 votes
0 answers 84 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, 2021
by Naman9495
5 points
84 views
0 votes
0 answers 19 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, 2021
by arnab2022
5 points
19 views
0 votes
0 answers 22 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, 2021
by arnab2022
5 points
22 views
0 votes
0 answers 51 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, 2021
by GreyMatter
5 points
51 views
0 votes
0 answers 24 views
#Self Doubt #Recursive CFG
Are all recursive grammar may it direct or indirect produce infinite language?
arnab2022 asked in Compiler Design Jul 13, 2021
by arnab2022
5 points
24 views
0 votes
0 answers 38 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, 2021
by tipd
5 points
38 views
0 votes
0 answers 32 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, 2021
by debendra2021
5 points
32 views
0 votes
0 answers 24 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, 2021
by bg_kenZ
5 points
24 views
0 votes
0 answers 25 views
Workbook Question Found on Web
rahul0521 asked in Compiler Design May 15, 2021
by rahul0521
5 points
25 views
0 votes
1 answer 139 views
Ace test series : Compiler design
kranti answered in Compiler Design Apr 21, 2021
by kranti
5 points
139 views
0 votes
0 answers 42 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, 2021
by Prubhtej_9
5 points
42 views
0 votes
0 answers 39 views
#Madeeasywork book
Caption
Pradeep Verma asked in Compiler Design Mar 12, 2021
by Pradeep Verma
5 points
39 views
8 votes
6 answers 3.1k views
GATE CSE 2021 Set 2 | Question: 3 | Video Solution
Arjun asked in Compiler Design Feb 18, 2021
by Arjun
1.4k points
3.1k views
3 votes
2 answers 1.0k views
GATE CSE 2021 Set 2 | Question: 30 | Video Solution
Arjun asked in Compiler Design Feb 18, 2021
by Arjun
1.4k points
1.0k views
2 votes
2 answers 569 views
GATE CSE 2021 Set 1 | Question: 4 | Video Solution
Arjun asked in Compiler Design Feb 18, 2021
by Arjun
1.4k points
569 views
1 vote
2 answers 763 views
GATE CSE 2021 Set 1 | Question: 5 | Video Solution
Arjun asked in Compiler Design Feb 18, 2021
by Arjun
1.4k points
763 views
3 votes
2 answers 485 views
GATE CSE 2021 Set 1 | Question: 31 | Video Solution
Arjun asked in Compiler Design Feb 18, 2021
by Arjun
1.4k points
485 views
1 vote
0 answers 35 views
Parsing table
Can we generate different parsing table for grammar
SHWETA RAO asked in Compiler Design Feb 14, 2021
by SHWETA RAO
9 points
35 views
0 votes
0 answers 33 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, 2021
by rahul65
5 points
33 views
0 votes
0 answers 34 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, 2021
by ruqyya
5 points
34 views
0 votes
1 answer 62 views
quest is from compiler design subject BSCS topic errors
zxy123 answered in Compiler Design Feb 10, 2021
by zxy123
3.6k points
62 views
1 vote
0 answers 90 views
Made Easy Test
How to solve it?
Parth27 asked in Compiler Design Jan 29, 2021
by Parth27
163 points
90 views
0 votes
0 answers 91 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, 2021
by 5andy
5 points
91 views
0 votes
0 answers 62 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, 2021
by Sneha negi
9 points
62 views
0 votes
0 answers 23 views
testbook-test
val_pro20 asked in Compiler Design Jan 18, 2021
by val_pro20
2 points
23 views
0 votes
0 answers 26 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, 2021
by nikhil856
13 points
26 views
0 votes
0 answers 32 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, 2021
by Nitinkumar.097
13 points
32 views
0 votes
0 answers 34 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, 2021
by vipin.gautam1906
9 points
34 views
1 vote
0 answers 208 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
13 points
208 views
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