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…
Posted inCompiler Design
Syntax Analysis
Syntax analysis or parsing is the second phase of a compiler. In this chapter, we…
Posted inCompiler Design
Minimization of DFA
DFA minimization stands for converting a given DFA to its equivalent DFA with minimum number…
Posted inCompiler Design
Regular Expressions
The lexical analyzer needs to scan and identify only a finite set of valid string/token/lexeme…