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111 lines
2.2 KiB
TypeScript
111 lines
2.2 KiB
TypeScript
// Loaded from https://deno.land/x/graphql_deno@v15.0.0/lib/language/ast.js
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import defineToJSON from '../jsutils/defineToJSON.js';
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/**
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* Contains a range of UTF-8 character offsets and token references that
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* identify the region of the source from which the AST derived.
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*/
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export class Location {
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/**
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* The character offset at which this Node begins.
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*/
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/**
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* The character offset at which this Node ends.
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*/
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/**
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* The Token at which this Node begins.
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*/
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/**
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* The Token at which this Node ends.
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*/
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/**
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* The Source document the AST represents.
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*/
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constructor(startToken, endToken, source) {
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this.start = startToken.start;
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this.end = endToken.end;
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this.startToken = startToken;
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this.endToken = endToken;
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this.source = source;
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}
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} // Print a simplified form when appearing in JSON/util.inspect.
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defineToJSON(Location, function () {
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return {
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start: this.start,
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end: this.end
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};
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});
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/**
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* Represents a range of characters represented by a lexical token
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* within a Source.
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*/
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export class Token {
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/**
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* The kind of Token.
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*/
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/**
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* The character offset at which this Node begins.
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*/
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/**
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* The character offset at which this Node ends.
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*/
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/**
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* The 1-indexed line number on which this Token appears.
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*/
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/**
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* The 1-indexed column number at which this Token begins.
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*/
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/**
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* For non-punctuation tokens, represents the interpreted value of the token.
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*/
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/**
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* Tokens exist as nodes in a double-linked-list amongst all tokens
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* including ignored tokens. <SOF> is always the first node and <EOF>
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* the last.
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*/
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constructor(kind, start, end, line, column, prev, value) {
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this.kind = kind;
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this.start = start;
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this.end = end;
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this.line = line;
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this.column = column;
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this.value = value;
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this.prev = prev;
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this.next = null;
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}
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} // Print a simplified form when appearing in JSON/util.inspect.
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defineToJSON(Token, function () {
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return {
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kind: this.kind,
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value: this.value,
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line: this.line,
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column: this.column
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};
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});
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/**
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* @internal
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*/
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export function isNode(maybeNode) {
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return maybeNode != null && typeof maybeNode.kind === 'string';
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}
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/**
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* The list of all possible AST node types.
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*/ |