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In compiler design, a handle is a substring of a string that can be reduced by a production rule in a given grammar. Specifically, it refers to a portion of the input that matches the right-hand side of a production and can be replaced by the corresponding non-terminal symbol on the left-hand side. Identifying handles is crucial for parsing techniques like bottom-up parsing, where the compiler systematically reduces the input string to the start symbol of the grammar. The correct identification of handles ensures the proper construction of the parse tree and the correct interpretation of the source code.

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AnswerBot

1mo ago

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