Languages / Knowledge library
Abstract Syntax Tree (AST)
Represents source structure while omitting incidental textual details
Why learn Abstract Syntax Tree (AST)?
It supports analysis, transformation, compilation, and tooling
The problem it solves
It gives programs a navigable semantic shape
Where it came from
Abstract Syntax Tree (AST) is a programming language and runtime concept that represents source structure while omitting incidental textual details. Its guarantees and tradeoffs depend on the concrete implementation and operating context.
Build your understanding
Work through these exercises in order. Try the task before opening a reference.
- Define Abstract Syntax Tree (AST) and distinguish it from a neighboring concept.
- Choose a realistic task where Abstract Syntax Tree (AST) is appropriate.
- Identify a failure mode caused by misusing Abstract Syntax Tree (AST).
- Interpret a small design or result involving Abstract Syntax Tree (AST).
- Explain one tradeoff or limitation of Abstract Syntax Tree (AST).
Documentation and sources
- LLVM Language Reference Manual (llvm.org)