A node in the Abstract Syntax Tree (AST).

interface UnionType {
    $container:
        | GrammarAST.Type
        | GrammarAST.ArrayType
        | GrammarAST.ReferenceType
        | GrammarAST.UnionType
        | GrammarAST.TypeAttribute;
    $containerIndex?: number;
    $containerProperty?: string;
    $cstNode?: CstNode;
    $document?: LangiumDocument<AstNode>;
    $type: "UnionType";
    types: GrammarAST.TypeDefinition[];
}

Hierarchy (view full)

Properties

$container:
    | GrammarAST.Type
    | GrammarAST.ArrayType
    | GrammarAST.ReferenceType
    | GrammarAST.UnionType
    | GrammarAST.TypeAttribute

The container node in the AST; every node except the root node has a container.

$containerIndex?: number

In case $containerProperty is an array, the array index is stored here.

$containerProperty?: string

The property of the $container node that contains this node. This is either a direct reference or an array.

$cstNode?: CstNode

The Concrete Syntax Tree (CST) node of the text range from which this node was parsed.

The document containing the AST; only the root node has a direct reference to the document.

$type: "UnionType"

Every AST node has a type corresponding to what was specified in the grammar declaration.