Module regex_syntax::ast[][src]

Defines an abstract syntax for regular expressions.

Modules

parse

This module provides a regular expression parser.

print

This module provides a regular expression printer for Ast.

Structs

Alternation

An alternation of regular expressions.

Assertion

A single zero-width assertion.

CaptureName

A capture name.

ClassAscii

An ASCII character class.

ClassBracketed

A bracketed character class, e.g., [a-z0-9].

ClassPerl

A Perl character class.

ClassSetBinaryOp

A Unicode character class set operation.

ClassSetRange

A single character class range in a set.

ClassSetUnion

A union of items inside a character class set.

ClassUnicode

A Unicode character class.

Comment

A comment from a regular expression with an associated span.

Concat

A concatenation of regular expressions.

Error

An error that occurred while parsing a regular expression into an abstract syntax tree.

Flags

A group of flags.

FlagsItem

A single item in a group of flags.

Group

A grouped regular expression.

Literal

A single literal expression.

Position

A single position in a regular expression.

Repetition

A repetition operation applied to a regular expression.

RepetitionOp

The repetition operator itself.

SetFlags

A group of flags that is not applied to a particular regular expression.

Span

Span represents the position information of a single AST item.

WithComments

An abstract syntax tree for a singular expression along with comments found.

Enums

AssertionKind

An assertion kind.

Ast

An abstract syntax tree for a single regular expression.

Class

A single character class expression.

ClassAsciiKind

The available ASCII character classes.

ClassPerlKind

The available Perl character classes.

ClassSet

A character class set.

ClassSetBinaryOpKind

The type of a Unicode character class set operation.

ClassSetItem

A single component of a character class set.

ClassUnicodeKind

The available forms of Unicode character classes.

ClassUnicodeOpKind

The type of op used in a Unicode character class.

ErrorKind

The type of an error that occurred while building an AST.

Flag

A single flag.

FlagsItemKind

The kind of an item in a group of flags.

GroupKind

The kind of a group.

HexLiteralKind

The type of a Unicode hex literal.

LiteralKind

The kind of a single literal expression.

RepetitionKind

The kind of a repetition operator.

RepetitionRange

A range repetition operator.

SpecialLiteralKind

The type of a special literal.

Traits

Visitor

A trait for visiting an abstract syntax tree (AST) in depth first order.

Functions

visit

Executes an implementation of Visitor in constant stack space.