Crate ast_grep_core

This module contains the core library for ast-grep.

It provides APIs for parsing, traversing, searching and replacing tree-sitter nodes. Usually you will only need ast-grep CLI instead of this crate. But if you want to use ast-grep as a library, this is the right place.

Re-exports

pub use language::Language;

pub use matcher::Matcher;

pub use matcher::NodeMatch;

pub use matcher::Pattern;

pub use matcher::PatternError;

pub use source::Doc;

pub use source::StrDoc;

Modules

language

matcher

This module defines the core Matcher trait in ast-grep.

meta_var

ops

replacer

source

This module defines the Doc and Content traits to abstract away source code encoding issues.

traversal

Traverse Node AST

Structs

AstGrep

Node

’r represents root lifetime

Position

Represents a position in the source code. The line and column are zero-based, character offsets. It is different from tree-sitter’s position which is zero-based byte offsets. Note, accessing column is O(n) operation.

Enums

MatchStrictness