Compiler design notes javatpoint

  • How to build a language compiler?

    Compiler is a translator program that translates a program written in (HLL) the source program and translate it into an equivalent program in (MLL) the target program.
    As an important part of a compiler is error showing to the programmer..

  • What are the steps of compiler design?

    Steps to create a compiler for a programming language

    1. Lexical Analysis.
      2. Recognize language keywords, operators, constant and every token that the grammar defines.
    2. Parsing
    3. Semantic Analysis
    4. Optimization
    5. Code Generation

Intermediate Code Generation

In the intermediate code generation, compiler generates the source code into the intermediate code.
Intermediate code is generated between the high-level language and the machine language. The intermediate code should be generated in such a way that you can easily translate it into the target machine code.

What is input in a compiler?

Input is the source code in a high-level language.
Assembly level code as an input.
Examples:

  • C
  • C++
  • Java compilers
  • etc.
    Examples:GAS, GNU assemblers.
    Q.3 Discuss the various phases of a compiler.
    Answer:The various phases of the compiler are given below:Lexical Analyzer Syntax Analyzer Semantic Analyzer Intermediate code generator .

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