A compiler-compiler is a compiler that produces a compiler (or part of one), often in a generic and reusable way so as to be able to produce many differing compilers.Ī compiler is likely to perform some or all of the following operations, often called phases: preprocessing, lexical analysis, parsing, semantic analysis ( syntax-directed translation), conversion of input programs to an intermediate representation, code optimization and machine specific code generation.

A language rewriter is usually a program that translates the form of expressions without a change of language. Related software include, a program that translates from a low-level language to a higher level one is a decompiler a program that translates between high-level languages, usually called a source-to-source compiler or transpiler. A bootstrap compiler is often a temporary compiler, used for compiling a more permanent or better optimised compiler for a language. A cross-compiler produces code for a different CPU or operating system than the one on which the cross-compiler itself runs. There are many different types of compilers which produce output in different useful forms. assembly language, object code, or machine code) to create an executable program. The name 'compiler' is primarily used for programs that translate source code from a high-level programming language to a low-level programming language (e.g. In computing, a compiler is a computer program that translates computer code written in one programming language (the source language) into another language (the target language).

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