Parse tree design

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Latest revision as of 01:44, 11 August 2010

A context free grammar defines a language, e.g.

Grammar.gif

A parse tree shows how a sentence in the language is structured according to the grammar.

Parsetree.gif

Terminology

In parsing lingo a symbol is a name in a grammar. Each symbol is either a terminal or a non-terminal. Non-terminals appear on the left hand side of a grammar production; terminals don't.

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