Recursive descent parser: Difference between revisions

Revision as of 10:11, 3 March 2005

Revision as of 16:56, 16 June 2005

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We define a procedure <tt>parse_''A''()</tt> for every nonterminal ''A'' that parses a string in the language of ''A''. In this procedure it is first determined, with the current symbol in the input stream, which rule for the nonterminal will be used. Then it simply calls the procedures <tt>read_ch(''a'')</tt> and <tt>parse_''A''()</tt> for every terminal ''a'' and nonterminal ''A'' in the right-hand side for the rule.

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'''procedure''' parse_E() {