what is compiler?

[dimpy.handa]

compiler is a computer language or program that translates text written in computer language (the source language) into another computer language (the target language). the original sequence is usually called the source code and the output called object code.

 

[swatiraohnlu]

The name "compiler" is primarily used for programs that translate source code from a high-level programming language to a lower level language (e.g., assembly language or machine code). If the compiled program can run on a computer whose CPU or operating system is different from the one on which the compiler runs, the compiler is known as a cross-compiler.

 

[franziska]

The task of every compiler is to translate high-level language source code to machine code that will run on target processor. This may be achieved through assembly language file or by linking object files, the ultimate goal of every compiler is to generate code for the target processor. In principle this is a simple task. Every high level statement can be translated in a series of target instructions. However, without some optimizations this code would be very inefficient. Unoptimized code still works, but it is slower and the files are bigger.


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