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Recent questions tagged compiler-tokenization

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1 answer

31

compiler design

Shivani gaikawad asked in Compiler Design Jun 7, 2018

by Shivani gaikawad

168 views

6 votes

1 answer

32

Tokens vs Lexeme
What is the difference between lexeme and tokens?

Tech Geek asked in Compiler Design Apr 3, 2018

19.7k views

1 vote

1 answer

33

Lexical Error
void main() { int total-value, Num=2,sum=5,var1; 5=Num; var1=2; sum=num*1; if(sum=var1) { sum=sum+1 } } Here, is $\text{"total-value"}$ a lexical error?

Jason asked in Compiler Design Mar 20, 2018

by Jason

3.4k views

3 votes

4 answers

34

Number of tokens in int a[5];
Number of tokens in $\text{int a[5];}$

Deepak Singh 7 asked in Compiler Design Mar 15, 2018

by Deepak Singh 7

1.2k views

1 vote

1 answer

35

cd lexical analysis token
1. macros are not considered as tokens in tokenizing. 2.#include considered as single token 2.stdio.h considered as single token. Are the above statements true?

ankit_thawal asked in Compiler Design Feb 1, 2018

by ankit_thawal

721 views

1 vote

0 answers

36

GateForum Number of Tokens
# DEFINE M 100 int main() { // declare variables int n = 2020; return n%M; } The number of tokens in this program?

Mk Utkarsh asked in Compiler Design Jan 20, 2018

437 views

1 vote

1 answer

37

self doubt
Find no of tokens in following code: #define square(x) x*x int main(){ int a=square(2); printf("%d", a); return 0; } Does macro expansion effect the tokens count??

Satyajeet Singh asked in Compiler Design Jan 17, 2018

by Satyajeet Singh

782 views

5 votes

1 answer

38

Token
How many tokens are there? 1) int a /*b 2) printf ("%

srestha asked in Compiler Design Jan 13, 2018

1.8k views

6 votes

1 answer

39

Lexical error or No of tokens
Is this line a/*b successfully generating the token's or it give lexical error ? if it is given the lexical error then why so ? I think it will give lexical error because we don't find */ here

junaid ahmad asked in Compiler Design Jan 12, 2018

by junaid ahmad

1.2k views

1 vote

2 answers

40

number of tokens
1) 8 2) 9 3) 12 4) 10

set2018 asked in Compiler Design Jan 7, 2018

688 views

2 votes

1 answer

41

me test number of tokens
here i got 44(i count &x and *x as one one) tokens but nas is 53 doubt ----> in general we count 1. *x is one token or two? 2. &x is one token? please tell me i m right or wrong . for this q i think & x are two tokens bcs there is space?

mohitbawankar asked in Compiler Design Jan 6, 2018

by mohitbawankar

382 views

2 votes

1 answer

42

Lexeme and Token
A lexeme is an identifier for a token? True or False

Mk Utkarsh asked in Compiler Design Jan 5, 2018

1.0k views

2 votes

2 answers

43

Lexical Analysis
What are different set of characters which are taken as single token in lexical analysis in compiler design? For eg. Charaters under double quotes are taken as single token, post-increment and pre-increment is taken as single token etc.

Shubham Kumar Gupta asked in Compiler Design Dec 27, 2017

by Shubham Kumar Gupta

827 views

1 vote

1 answer

44

Token
Which of the following not a token of C program? a)1.02e+2 b)#define c)MAX d)123.33

srestha asked in Compiler Design Dec 23, 2017

1.6k views

4 votes

4 answers

45

Tokens, Lexeme and Pattern
There are 40 tokens in this question. But I have doubt that what should be the wording of the question "The number of LEXEMES generated by the Lexical Analyzer in the above program is _______ " OR "The number of ... - Keyword, Operators, Identifiers, Constant, Punctuation Symbol and String Constants. How token and lexeme are different from each other?

Shubhanshu asked in Compiler Design Nov 2, 2017

5.4k views

7 votes

4 answers

46

lexical error
if there is miss spelling in some keyword in a program then this misspelled keyword will be treated as lexical errors or it will be treated as a new identifier and accepted as a token ?? ex - whiel (1) ; here while is misspelled as whiel

itsvkp1 asked in Compiler Design Nov 1, 2017

3.2k views

4 votes

2 answers

47

Imarati Gupta asked in Compiler Design Oct 21, 2017

by Imarati Gupta

2.6k views

5 votes

1 answer

48

Compiler design: Counting number of tokens
void main() { i/*nt*/a=10; return; } Number of tokens in above code:?

rahul sharma 5 asked in Compiler Design Oct 9, 2017

by rahul sharma 5

5.5k views

4 votes

1 answer

49

Compiler Lexical analyzer
int main() { print("%d",a); return 0; } If i execute,i will get error as:- prog.c:112:17: error: 'a' undeclared (first use in this function) printf("%d",a); Now as this is the semantic error,so how ... analyzer can give the row number and column number of error as it tokenize the entire program but is this also possible in sematic analyzer?

rahul sharma 5 asked in Compiler Design Oct 9, 2017

by rahul sharma 5

722 views

2 votes

1 answer

50

compiler-design -tokens

rajoramanoj asked in Compiler Design Oct 6, 2017

1.2k views

3 votes

1 answer

51

token count for shorthand operators
How many tokens are there in the following statement: x >> = 2; In general, are shorthand operators counted as a single token as ">>=" or double as ">>" and "=". Or anything else?

Rishabh Gupta 2 asked in Compiler Design Oct 2, 2017

by Rishabh Gupta 2

1.3k views

6 votes

1 answer

52

Number of tokens in the C program
Given answer is 25, while my answer is 26, they have considered -10.0 as single token, which is wrong?

Manu Thakur asked in Compiler Design Sep 29, 2017

4.6k views

10 votes

3 answers

53

Lexical analyser, Tokens
When do we count ++(post increment or pre increment) as 1 or 2 token ?

junaid ahmad asked in Compiler Design Sep 28, 2017

by junaid ahmad

3.8k views

2 votes

1 answer

54

Compilers: Lexical Error
This screenshot is token from the book Ullman, How can following be a lexical error? because "elipseSize" should have a token recorded as an identifier.

Manu Thakur asked in Compiler Design Sep 26, 2017

1.6k views

1 vote

1 answer

55

Tokens and lexems
What is difference between lexems and tokens please explain with example

Swami patil asked in Compiler Design Sep 13, 2017

1.4k views

3 votes

1 answer

56

Identify Tokens
Calculate total no of Tokens and also determine there types:- a) a9997.7b884.cddf2.77 b) 74>><<2gfh0012 c) a>=ab.785!lklk d) a9997.b884.100intcddfloat2.77 Q2) Differentiate between Tokens, Lexeme and Pattern with the help of example Eg. int a;

Shubhanshu asked in Compiler Design Aug 29, 2017

582 views

9 votes

2 answers

57

classification of lexical and syntactic errors in complier phases
I am writing down some errors and its type with a reason.If there something wrong please correct it with a valid reason. 1.fi(a==10) this is not a lexical error, because lexical analyzer cannot tell whether fi is a misspelling ... token. but this says it is streams of valid tokens 6.int d=10.10.10 lexical error as invalid num token.

reena_kandari asked in Compiler Design Aug 14, 2017

by reena_kandari

2.3k views

1 vote

2 answers

58

Finding number of tokens
Find the number of tokens in the below C statement: result = x > y ? "x is greater than y" : "x is less than or equal to y"; My doubt is should we consider the ternary operator "? :" as 1 token or two separate tokens "?" and ":" ??

just_bhavana asked in Compiler Design Aug 7, 2017

by just_bhavana

4.2k views

0 votes

0 answers

59

tokens
find number of tokens? 1 .abc*def+xyz=5 2. abc*+

akankshadewangan24 asked in Compiler Design Apr 22, 2017

by akankshadewangan24

387 views

2 votes

4 answers

60

Compilers Principles Techniques and Tool Ch-3 Lexical Analysis
What will be the tokens formed for ',' and '{' ?

tanyagt99 asked in Compiler Design Mar 26, 2017

925 views

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Recent questions tagged compiler-tokenization