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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... -
Recognizing keywords and identifiers presents a problem. Usually, keywords like if or then are reserved, so they are not identifiers ... -
A.A.Puntambekar Technical Publications, 01-Jan-2009 - 540 pages
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There are two parsing techniques, these parsing techniques work on the following principle 1. The parser scans the input string from lef... -
The main task is to read the input characters and produce as output sequence of tokens that the parser uses for syntax ... -
There are three basic phases that are important in programming e.g. C- programming. The phases are Pre-processing, compiling and Linking, ...
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The syntax analyzer does syntax analysis. It groups the tokens of the source program i... -
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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