Module ast
Defines an abstract syntax for regular expressions.
Modules
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.
- 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
Visitorin constant stack space.