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