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Recent questions tagged compiler-design

1 votes
2 answers
1051
recursive descent parsers
Are recursive descent parsers with backtracking or without?
Are recursive descent parsers with backtracking or without?
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0 votes
1 answer
1054
SR,RR conflicts
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0 votes
1 answer
1055
Compiler
First {a} =? First{a, b} =? First{a, b, c} =? First {a, $} =? Where a, b, c are terminals.
First {a} =?First{a, b} =?First{a, b, c} =?First {a, $} =?Where a, b, c are terminals.
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0 votes
1 answer
1056
Backtracking
Here , Number of backtracks are 3 or 4 ? I am getting 3 but given answer is 4. Please explain.
Here , Number of backtracks are 3 or 4 ? I am getting 3 but given answer is 4. Please explain.
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2 votes
0 answers
1057
Operator Precedence Parser
Can anyone explain why operator precedence parsing cannot handle unary minus,and what are the approach to handle it.
Can anyone explain why operator precedence parsing cannot handle unary minus,and what are the approach to handle it.
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3 votes
1 answer
1059
left recursive- self
Is operator precedence parser the only parser that accepts left recursive grammar?
Is operator precedence parser the only parser that accepts left recursive grammar?
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8 votes
3 answers
1060
Finding type of Grammar LL(1), OR LR(0) , OR CLR(1) OR LALR(1)
Suppose we are given a grammar and asked to find the type of that grammar , what is the algorithm which needs to be followed for each of them? LL(1), OR LR(0) , OR CLR(1) OR LALR(1)
Suppose we are given a grammar and asked to find the type of that grammar , what is the algorithm which needs to be followed for each of them? LL(1), OR LR(0) , OR CLR(1...
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1 votes
1 answer
1062
Compiler design
Power of Predictive parser and recursive decent parser is same?
Power of Predictive parser and recursive decent parser is same?
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0 votes
0 answers
1063
Compiler : LL(k) and LR(k) grammer
Can LL(k) and LR(k) gammer has null and unit productions?
Can LL(k) and LR(k) gammer has null and unit productions?
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0 votes
0 answers
1065
Compiler Design Syllabus Query
Do we need to study Assembler in Compiler Design. It's just I saw questions on Assembler in GO book, but all those questions were from 90's. So, do we need to study Assembler in depth for 2018? Thank you!
Do we need to study Assembler in Compiler Design. It's just I saw questions on Assembler in GO book, but all those questions were from 90's. So, do we need to study Asse...
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2 votes
1 answer
1066
Intermediate Code Generation
Why do we use Three Address Code generally in intermediate Code Generation phase of compiler ?
Why do we use Three Address Code generally in intermediate Code Generation phase of compiler ?
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1 votes
2 answers
1067
DAG Representation of the below grammar
Consider the following code segment. x = u – t; y = x * v; x = y + w; y = t – z; y = x * y;
Consider the following code segment.x = u – t;y = x * v;x = y + w;y = t – z;y = x * y;
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0 votes
2 answers
1069
no of inedequate states in Compiler design
For the below given grammar: S→-S S→S-a S→a The number of inadequate states (states which have conflicts) and number of shift reduce conflicts are _____ and _____ respectively.
For the below given grammar:S→-SS→S-aS→aThe number of inadequate states (states which have conflicts) and number of shift reduce conflicts are _____ and _____ respe...
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1 votes
1 answer
1072
LALR(1)
S-> L=R|R L->*R|id R->L can someone draw the states with lookaheads? i am always getting confused on what should be the lookahead along with the grammar and how to find if there it is LALR(1) or not
S- L=R|RL->*R|idR->Lcan someone draw the states with lookaheads?i am always getting confused on what should be the lookahead along with the grammarand how to find if ther...
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1 votes
1 answer
1073
PTCUL-01
Semantic error can be detected at: A. compile time B. Runtime C. Both D. None of these
Semantic error can be detected at:A. compile timeB. RuntimeC. BothD. None of these
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0 votes
1 answer
1074
runtime enviornment
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2 votes
1 answer
1075
operator grammer
someone please explain how to draw operator precedence table to solve this question.
someone please explain how to draw operator precedence table to solve this question.
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0 votes
1 answer
1076
compiler syllabus
target code generation is in syllabus of gate 2018?
target code generation is in syllabus of gate 2018?
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0 votes
2 answers
1077
Bottom up parsing SDT
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–2 votes
1 answer
1078
LR(1) DFA
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1 votes
1 answer
1080
UGC NET CSE | November 2017 | Part 2 | Question: 35
Match the description of several parts of a classic optimizing compiler in $\textbf{List-I}$, with the names of those parts in $\textbf{List-II}$ ... $\text{(a)-(ii); (b)-(iv); (c)-(iii); (d)-(i)}$
Match the description of several parts of a classic optimizing compiler in $\textbf{List-I}$, with the names of those parts in $\textbf{List-II}$ :$\begin{array}{clcl} & ...
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