INTRODUCTION TO COMPILER DESIGN
OVERVIEW OF COMPILERS
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Question
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This phase scans the source code as a stream of characters and converts it into meaningful lexemes.
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Lexical Analyzer
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Syntax Analyzer
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Semantic Analyzer
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Code Generator
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Explanation:
Detailed explanation-1: -Lexical analysis is called linear analysis or scanning. In this phase the stream of characters making up the source program is read from left-to-right and grouped into tokens that are sequences of characters having a collective meaning.
Detailed explanation-2: -The lexical analysis phase reads the characters in the source program and grouped into tokens that are sequence of characters having a collective meaning. Blanks separating characters of these tokens are normally eliminated during lexical analysis. Hierarchical Analysis is called parsing or syntax analysis.
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