Expand description
Defines an abstract syntax for regular expressions.
Modules§
- parse
- This module provides a regular expression parser.
- This module provides a regular expression printer for
Ast.
Structs§
- Alternation
- An alternation of regular expressions.
- Assertion
- A single zero-width assertion.
- Capture
Name - A capture name.
- Class
Ascii - An ASCII character class.
- Class
Bracketed - A bracketed character class, e.g.,
[a-z0-9]. - Class
Perl - A Perl character class.
- Class
SetBinary Op - A Unicode character class set operation.
- Class
SetRange - A single character class range in a set.
- Class
SetUnion - A union of items inside a character class set.
- Class
Unicode - 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.
- Flags
Item - 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.
- Repetition
Op - 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.
- With
Comments - An abstract syntax tree for a singular expression along with comments found.
Enums§
- Assertion
Kind - An assertion kind.
- Ast
- An abstract syntax tree for a single regular expression.
- Class
Ascii Kind - The available ASCII character classes.
- Class
Perl Kind - The available Perl character classes.
- Class
Set - A character class set.
- Class
SetBinary OpKind - The type of a Unicode character class set operation.
- Class
SetItem - A single component of a character class set.
- Class
Unicode Kind - The available forms of Unicode character classes.
- Class
Unicode OpKind - The type of op used in a Unicode character class.
- Error
Kind - The type of an error that occurred while building an AST.
- Flag
- A single flag.
- Flags
Item Kind - The kind of an item in a group of flags.
- Group
Kind - The kind of a group.
- HexLiteral
Kind - The type of a Unicode hex literal.
- Literal
Kind - The kind of a single literal expression.
- Repetition
Kind - The kind of a repetition operator.
- Repetition
Range - A range repetition operator.
- Special
Literal Kind - 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
Visitorin constant stack space.