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Recognition of tokens: We learn how to express pattern using regular e... -
Token: Token is a sequence of characters that can be treated as a single logical entity. Typical tokens are, ...
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Recognizing keywords and identifiers presents a problem. Usually, keywords like if or then are reserved, so they are not identifiers ... -
Error-recovery actions are: 1) Delete one character from the remaining input. 2) Insert a missing character in to the r...
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Compiler Requirements Correctness. Correctness is absolutely paramount. A buggy compiler is next to useless in practice. Since we can...
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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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Semantic analysis checks the source program for somatic errors. It uses the hierarchical structure... -
There are two parsing techniques, these parsing techniques work on the following principle 1. The parser scans the input string from lef... -
In this process of compilation the parser and lexical analyzer work together. That means, when parser required string of tokens it invok... -
Loader and Link-editor: Once the assembler procedures an object program, that program must be placed into memory and executed. The assem...
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