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Token: Token is a sequence of characters that can be treated as a single logical entity. Typical tokens are, ...
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Recognition of tokens: We learn how to express pattern using regular e... -
There are two parsing techniques, these parsing techniques work on the following principle 1. The parser scans the input string from lef... -
Recognizing keywords and identifiers presents a problem. Usually, keywords like if or then are reserved, so they are not identifiers ... -
Semantic analysis checks the source program for somatic errors. It uses the hierarchical structure... -
Interpreter: An interpreter is a program that appears to execute a source program as if it were machine language. Languages such as ... -
A preprocessor produce input to compilers. They may perform the following functions. 1. Macro processing: A preprocessor may allow a ...
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Lexical error include misspellings of identifiers, keywords, or operators Example:- the use of an identifier ellipse size instead of...
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The main task is to read the input characters and produce as output sequence of tokens that the parser uses for syntax ... -
A.A.Puntambekar Technical Publications, 01-Jan-2010 - Compilers (Computer programs) - 461 pages Overview of Compilation : Phases of comp...
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