This chapter of the guide describes the architecture and concepts of dotc, the Scala 3 compiler, including answers to questions such as:

• "What are the transformations that happen to my code?"
• "How do I run a compiler programatically?"
• "What are symbols, denotations, names and types?"
• "What is a compiler phase?"
• "What is the compiler Context?"

and many more.

Table of Contents

• Compiler Overview
• Contexts
• Compiler Phases
• Compiler Types
• Time in the Compiler
• Symbols