Module matcher

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

Matcher has three notable implementations in this module:

• Pattern: matches against a tree-sitter node based on its tree structure.
• KindMatcher: matches a node based on its kind
• RegexMatcher: matches a node based on its textual content using regex.

Modules

kind_utils

Structs

KindMatcher

MatchAll

MatchNone

NodeMatch

Represents the matched node with populated MetaVarEnv. It derefs to the Node so you can use it as a Node. To access the underlying MetaVarEnv, call get_env method.

Pattern

PatternBuilder

RegexMatcher

Enums

KindMatcherError

PatternError

PatternNode

RegexMatcherError

Traits

Matcher

Matcher defines whether a tree-sitter node matches certain pattern, and update the matched meta-variable values in MetaVarEnv. N.B. At least one positive term is required for matching

MatcherExt

MatcherExt provides additional utility methods for Matcher. It is implemented for all types that implement Matcher. N.B. This trait is not intended to be implemented by users.