The first programming project involves writing a program that parses, using recursive descent, a GUI definition language defined in an input file and generates the GUI that it defines. The grammar for...

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The first programming project involves writing a program that parses, using recursive descent, a GUI definition language defined in an input file and generates the GUI that it defines. The grammar for this language is defined below:
gui ::= Window STRING '(' NUMBER ',' NUMBER ')' layout widgets End '.' layout ::= Layout layout_type ':' layout_type ::= Flow | Grid '(' NUMBER ',' NUMBER [',' NUMBER ',' NUMBER] ')' widgets ::= widget widgets | widget widget ::= Button STRING ';' | Group radio_buttons End ';' | Label STRING ';' | Panel layout widgets End ';' | Textfield NUMBER ';' radio_buttons ::= radio_button radio_buttons | radio_button radio_button ::= Radio STRING ';
Answered 2 days AfterApr 09, 2022

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Sathishkumar answered on Apr 12 2022
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