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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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Compiler: A compiler is a program that accepts a program written in a High Level Language and produces an object (low-level) program. ... -
Recognition of tokens: We learn how to express pattern using regular e... -
Assembler: programmers found it difficult to write or read programs in machine language. They begin to use a mnemonic (symbols) for each ...
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Semantic analysis checks the source program for somatic errors. It uses the hierarchical structure... -
#include<stdio.h> #include<ctype.h> #include<stdlib.h> #include<string.h> #define SIZE 128 #define NONE -1 #...
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There are several reasons for separating the analysis phase of compiling in to lexical and parsing. 1. Simpler design ...
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Phases of a compiler: A compiler operates in phases. A phase is a logically interrelated operation that takes source program in one repr... -
A preprocessor produce input to compilers. They may perform the following functions. 1. Macro processing: A preprocessor may allow a ...
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A hardware device designed or used to perform tasks, such as processing program code to machine code. Language processors are found in la...
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