TOOLS AND TECHNIQUES FOR COMPILER DESIGN
MISCELLENOUS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The main purpose of Lexical analyser
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Improve the register allocation
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The split whole inofrmation into small chunk
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To understand syntax of the code
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To undertand the meaning of code
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Explanation:
Detailed explanation-1: -Explanation: A lexical analyzer coverts character sequences to set of tokens.
Detailed explanation-2: -Separation allows the simplification of one or the other. 2) Compiler efficiency is improved. Optimization of lexical analysis because a large amount of time is spent reading the source program and partitioning it into tokens. 3) Compiler portability is enhanced.
Detailed explanation-3: -The main task of lexical analysis is to read input characters in the code and produce tokens. “Get next token” is a command which is sent from the parser to the lexical analyzer. On receiving this command, the lexical analyzer scans the input until it finds the next token.
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