One such compiler parses a human readable expression into a syntax tree and converts the syntax tree into an automaton having in-transitions and out-transitions.

If you must parse an Abstract Syntax Tree, it will be more complicated.

XL0 defines how an input text is transformed into a parse tree.

The evaluation occurs in the nodes of the abstract syntax tree, when the language is processed by some parser or compiler.

A tool that tries to convert Python 2.x code to Python 3.x code by handling most of the incompatibilites which can be detected by parsing the source and traversing the parse tree.

Virtualization can be implemented within any portion of a syntax tree.

export a syntax tree to XML (for pretty-printing or manipulation by other programs).

It can be used to produce output in Reverse Polish notation (RPN) or as an abstract syntax tree (AST).

Parsing of the source code of a set of files within the application produces a syntax tree which is then traversed to identify blocks of code.

This is particularly used in the representation of text in computer languages, which are generally stored in a tree structure as an abstract syntax tree.