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Recent questions and answers in Compiler Design
0
votes
0
answers
Directed Acyclic Graph in CD
Can anyone provide me good reference for solving Directed Acyclic Graphs(DAG) problems?
asked
1 day
ago
in
Compiler Design
by
nikhil856
(
13
points)
|
6
views
self-doubt
0
votes
0
answers
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]
asked
3 days
ago
in
Compiler Design
by
Nitinkumar.097
(
13
points)
|
10
views
test-series
compiler-design
0
votes
0
answers
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
asked
Jan 9
in
Compiler Design
by
vipin.gautam1906
(
5
points)
|
16
views
grammer
0
votes
0
answers
Intermediate 3 address code generation doubt related to unary operators in an arithmetic expression
asked
Dec 30, 2020
in
Compiler Design
by
rish-18
(
9
points)
|
35
views
compiler-design
selfdoubt
3-address-code
madeeasytest
0
votes
1
answer
self doubt ambiguous to unambiguous
https://gateoverflow.in/141809/ambiguous-to-unambiguous what will be the unambiguous grammar …...
answered
Dec 29, 2020
in
Compiler Design
by
zxy123
(
2.9k
points)
|
13
views
selfdoubt
0
votes
1
answer
Number system,Gate-2021, previous year Gate questions
answered
Dec 29, 2020
in
Compiler Design
by
zxy123
(
2.9k
points)
|
26
views
selfdoubt
0
votes
0
answers
madeeasy notes
S->AB A->a B->b is ambiguous or not ? i think not ambiguous becz not having two same left most derivation tree or not hab=ving two same RMD tree…...is it correct
asked
Dec 28, 2020
in
Compiler Design
by
eyeamgj
(
25
points)
|
13
views
compiler-design
0
votes
0
answers
madeeasy test series
https://gateoverflow.in/284952/madeeasy-series-compiler-design-static-single-assignment what is the correct answer i am getting 6 after doing simplification 7 without minimization ….
asked
Dec 27, 2020
in
Compiler Design
by
eyeamgj
(
25
points)
|
20
views
test-series
0
votes
0
answers
ACE Academy Test series problem. Need explanation. According to them Option C is correct.
asked
Dec 24, 2020
in
Compiler Design
by
taurus05
(
7
points)
|
12
views
compiler-design
0
votes
1
answer
Made Easy SubjectWise
can someone tell why is First(B)={b,a,ε} here?? why ‘c’ is not included
answered
Dec 24, 2020
in
Compiler Design
by
saurabh111
(
11
points)
|
28
views
compiler-design
+1
vote
1
answer
self doubt(first and follow/left recursion)
(1)S->AA/ab A->Bd/null B->SB/d (2) S->AB/a A->SA/null B->AB/d doubt 1--->i can’t able to remove indirect left recursion from both the questions,what is grammar after removing left recursion?? doubt 2--->what is the FIRST and FOLLOW ?
answered
Dec 16, 2020
in
Compiler Design
by
zxy123
(
2.9k
points)
|
24
views
selfdoubt
first-follow
0
votes
0
answers
GATE OVERFLOW QUERIES
came across this question on gate overflow. please help with solution
asked
Dec 16, 2020
in
Compiler Design
by
Bgupta
(
5
points)
|
18
views
viable-prefix
+1
vote
1
answer
#madeeasytestseries
x=x*x y=y*y x=x*y y=y*x Minimum number of total variables in single static assignment for above code?
answered
Dec 15, 2020
in
Compiler Design
by
Sahil91
(
645
points)
|
18
views
compiler-design
0
votes
0
answers
Madeeasy Test series Compiler Q4
Anyone please clarify.
asked
Dec 14, 2020
in
Compiler Design
by
Shivateja MST
(
45
points)
|
35
views
compiler-design
0
votes
1
answer
MadeEasy test series question 2020
Consider the following statements : S1) Three Address Code is a linearized representation of syntax tree S2) With triples representation optimization can change execution order. Which of the above is correct ? only S1 only S2 both S1 and S2 None of the above Anyone please clarify.
answered
Dec 13, 2020
in
Compiler Design
by
udbhav94
(
5
points)
|
54
views
compiler-design
0
votes
1
answer
Made easy Compiler design Q3
Anyone please clarify why lexical error is generated.
answered
Dec 13, 2020
in
Compiler Design
by
Deepakk Poonia (Dee)
(
1.5k
points)
|
45
views
compiler-design
compiler
0
votes
0
answers
Made easy compiler question 2
Which of the following is/are not the functions of Syntax analyzer ? Recognize the language and to call the appropriate action routines that will generate the intermediate form or matrix for these constructs. Build a literal table and an ... Build a uniform symbol table Parse the source program into basic elements or tokens of the language. Anyone please clarify.
asked
Dec 13, 2020
in
Compiler Design
by
Shivateja MST
(
45
points)
|
12
views
compiler-design
0
votes
0
answers
Made-Easy test Series - Compiler Design, Parsing, 2021
asked
Dec 12, 2020
in
Compiler Design
by
sankalpmittal
(
41
points)
|
26
views
compiler-design
parsing
0
votes
1
answer
Madeeasy Testseries 2020 Q1
Here answer seems to be option A but given as D. Anyone please clarify
answered
Dec 12, 2020
in
Compiler Design
by
Sahil91
(
645
points)
|
42
views
compiler-design
0
votes
0
answers
Made Easy Compiler Test: Syntax Phase
I don’t understand it at all, if someone can elaborate these options then it would be a great help.
asked
Dec 8, 2020
in
Compiler Design
by
luc_Bloodstone
(
19
points)
|
20
views
compiler
compiler-design
0
votes
1
answer
ACE Test Series : Subject Wise Test Compiler Design
answered
Dec 7, 2020
in
Compiler Design
by
Sahil91
(
645
points)
|
60
views
ace-academy-test-series
compiler-design
parsing
0
votes
0
answers
COMPILER DESIGN
Prove that 1. “There are DCFLs which doesnot have an LL(k) grammar” “For any DCFL, we can always have an LR(1) grammar”
asked
Dec 5, 2020
in
Compiler Design
by
SHIV_KANNAUJ
(
9
points)
|
18
views
compiler-design
grammar
0
votes
0
answers
Made Easy Test Series
asked
Dec 3, 2020
in
Compiler Design
by
Vishal_kumar98
(
37
points)
|
37
views
test-series
0
votes
0
answers
#made-easy #compiler-design
S→ ABA A→ Bc|dA|epsilon B→ eA How many entries have multiple productions in LL(1) table? ans given is 1. but i am getting 2 In answer Follow(A)={c,e,$} but according to me it should be {c,d,e,$}
asked
Dec 3, 2020
in
Compiler Design
by
404 found
(
31
points)
|
23
views
compiler-design
0
votes
1
answer
Self Study Doubt
Lex File %{ #include "y.tab.h" %} %% [a-zA-Z_][a-zA-Z_0-9]* return letter; [0-9] return digit; . return yytext[0]; \n return 0; %% int yywrap() { return 1; } YACC PART: %{ #include<stdio.h> int v=1; %} %token ... the YACC C. Lex return two tokens to the YACC D. RECOGNIZE A VALID VARIABLE WHICH STARTS WITH A LETTER FOLLOWED BY ANY NUMBER OF LETTERS OR DIGITS Fe
answered
Nov 29, 2020
in
Compiler Design
by
zxy123
(
2.9k
points)
|
20
views
selfdoubt
0
votes
0
answers
ME subjectwise
No grammar with empty production can be LR(0)?? Is the statement true
asked
Nov 26, 2020
in
Compiler Design
by
Ashutosh777
(
-219
points)
|
18
views
compiler-design
0
votes
1
answer
Nielit 2020 paper
Type of Conflicts that arises in LR(0). A Shift Re conflict B Shift shift conflict C Shift reduce and shift shift conflict. D none of the above
answered
Nov 23, 2020
in
Compiler Design
by
zxy123
(
2.9k
points)
|
27
views
general-query
0
votes
1
answer
Just thinking about it
Since Reduce entries in both LR(0) and SLR(1) are different. so does that mean error entries will also be different in these two.
answered
Nov 23, 2020
in
Compiler Design
by
zxy123
(
2.9k
points)
|
20
views
selfdoubt
toc-languages
0
votes
0
answers
Syntaxx Directed Translations
I have a small doubt, is SDT part of semantic analysis phase ?? if so then when we enter type info of variable in symbol table which happens in syntaxx analysis phase. wouldn't it require an SDT ?? then how does SDT become a part of ... type of variable is not entered in syntaxx analysis phase, then what is the use of symbol table in syntaxx analysis phase ??/
asked
Nov 23, 2020
in
Compiler Design
by
sandeepc
(
5
points)
|
10
views
compiler-design
0
votes
0
answers
#self-doubt #compiler-design
can someone explain difference betweeen left recursive grammer and cyclic grammer and relationship among them with the help of proper example?
asked
Nov 22, 2020
in
Compiler Design
by
404 found
(
31
points)
|
22
views
compiler-design
+1
vote
1
answer
ACE ACADEMY Booklet
answered
Nov 20, 2020
in
Compiler Design
by
zxy123
(
2.9k
points)
|
22
views
compiler-design
0
votes
1
answer
#made-easy-test-series #compiler-design
Which of the following functions is/ are performed by the loader? A. Allocate space in memory for the programs and resolve symbolic references between object decks B. Physically place the machine instructions and data into memory C. Adjust all address ... . linking the program ans is a,b,c can someone explain point A bcz i think it is performed by linker
answered
Nov 20, 2020
in
Compiler Design
by
14ash
(
65
points)
|
32
views
compiler-design
0
votes
0
answers
#made-easy-test-series #compiler-design
The number of correct statements are: Lexical analyzer gives error message by giving row number and column number semantic analyzer gives error message by giving row number and column number ans is 1 and first statement is correct and second is incorrect .can someone explains why?
asked
Nov 20, 2020
in
Compiler Design
by
404 found
(
31
points)
|
18
views
compiler-design
0
votes
0
answers
#self-doubt #compiler-design
can someone suggest some good sources from where we can study newly added topics in compiler design like: local optimization data flow analysis constant propagation live ness analysis common sub expression elimination
asked
Nov 19, 2020
in
Compiler Design
by
404 found
(
31
points)
|
12
views
compiler-design
+1
vote
1
answer
Kenneth Louden Compiler construction, 1997 chapter 4 exercise 4.7
answered
Nov 16, 2020
in
Compiler Design
by
zxy123
(
2.9k
points)
|
20
views
kenneth-rosen
0
votes
0
answers
Kenneth Louden Compiler construction, 1997 chapter 5 exercise 5.3
asked
Nov 16, 2020
in
Compiler Design
by
Nivesh
(
9
points)
|
12
views
compiler-design
0
votes
1
answer
New Topics added in Gate 2021
Can someone please suggest good video lectures or some text material of topics added in compiler design in gate 2021 they are Data flow analyses: constant propagation, liveness analysis, common subexpression elimination
answered
Nov 2, 2020
in
Compiler Design
by
StoneHeart
(
735
points)
|
49
views
gatesyllabus
0
votes
1
answer
Self Doubt in regards to power of parsers
Why Bottom Up Parsers are more powerful than Top Down parsers ?
answered
Oct 30, 2020
in
Compiler Design
by
SarathBaswa
(
633
points)
|
18
views
selfdoubt
0
votes
0
answers
self doubt on DAG
When we talk of Minimum nodes in a DAG, can we use code optimisation suppose TAC looks like a=a+b b=a-b c=b+c d=c-b What will be minimum number of nodes in the DAG? Should we optimize it like a=a+b b=a c=b+c d=c and then proceed?
asked
Oct 28, 2020
in
Compiler Design
by
StoneHeart
(
735
points)
|
13
views
0
votes
1
answer
compiler design , syntax analysis.
IS IT THE FUNCTION OF SYNTAX ANALYSIS TO BUILD A UNIFORM SYMBOL TABLE ?AND IN WHICH PHASE WE BUILD A SYMBOL TABLE??
answered
Oct 27, 2020
in
Compiler Design
by
vizzard110
(
85
points)
|
19
views
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