Compilers (coursera)

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From https://class.coursera.org/compilers/lecture/preview

Video Lectures

Intro

01

Compiler and interpreter.

The interpreter takes the program and some data produces output. This would be scripting.

A compiler takes the program and produces and executable. This executable can be run on the data.

  • lexical analysis
  • parsing
  • semantic analysis
  • optimization
  • code generation

02

Lexing breaks input into tokens. Parsing produces a tree. Semantic analysis checks that the program is correct. Optimization makes it run faster and use less memory, or any number of resource balancing. Code generation produces code, generally machine code.

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