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CONSTRUCTING SLR(1) PARSING TABLE
To perform SLR parsing, take grammar as input and do the following: 1. Find LR(0) items.…
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Error Recovery
A parser should be able to detect and report any error in the program. It…
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LR PARSERS
An efficient bottom-up syntax analysis technique that can be used CFG is called LR(k) parsing.…
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BOTTOM-UP PARSING
Constructing a parse tree for an input string beginning at the leaves and going towards…
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TOP-DOWN PARSING
It can be viewed as an attempt to find a left-most derivation for an input…
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WRITING A GRAMMAR
A grammar consists of a number of productions. Each production has an abstract symbol called a nonterminal as its left-hand side,…
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Context-Free GRAMMARS
A Context-Free Grammar is a quadruple that consists of terminals,non-terminals, start symbol and productions. Terminals: These are the basic symbols from…
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Error Handling in Compiler Design
The tasks of the Error Handling process are to detect each error, report it to the user,…
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Types of Parsing
Syntax analyzers follow production rules defined by means of context-free grammar. The way the production…
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THE ROLE OF PARSER
The parser or syntactic analyzer obtains a string of tokens from the lexical analyzer and…