It uses left most derivation.įurther Top-down parser is classified into 2 types: Recursive descent parser, and Non-recursive descent parser. ![]() it starts from the start symbol and ends on the terminals. The top-down parser is the parser that generates parse for the given input string with the help of grammar productions by expanding the non-terminals i.e. These are explained below: Top-Down Parser: The parser is mainly classified into two categories, i.e. ![]()
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