blob: 963596245e915288c4466a12a48e9fd0dd243082 [file] [log] [blame]
import defineToJSON from "../jsutils/defineToJSON.mjs";
/**
* Contains a range of UTF-8 character offsets and token references that
* identify the region of the source from which the AST derived.
*/
export var Location =
/**
* The character offset at which this Node begins.
*/
/**
* The character offset at which this Node ends.
*/
/**
* The Token at which this Node begins.
*/
/**
* The Token at which this Node ends.
*/
/**
* The Source document the AST represents.
*/
function Location(startToken, endToken, source) {
this.start = startToken.start;
this.end = endToken.end;
this.startToken = startToken;
this.endToken = endToken;
this.source = source;
}; // Print a simplified form when appearing in JSON/util.inspect.
defineToJSON(Location, function () {
return {
start: this.start,
end: this.end
};
});
/**
* Represents a range of characters represented by a lexical token
* within a Source.
*/
export var Token =
/**
* The kind of Token.
*/
/**
* The character offset at which this Node begins.
*/
/**
* The character offset at which this Node ends.
*/
/**
* The 1-indexed line number on which this Token appears.
*/
/**
* The 1-indexed column number at which this Token begins.
*/
/**
* For non-punctuation tokens, represents the interpreted value of the token.
*/
/**
* Tokens exist as nodes in a double-linked-list amongst all tokens
* including ignored tokens. <SOF> is always the first node and <EOF>
* the last.
*/
function Token(kind, start, end, line, column, prev, value) {
this.kind = kind;
this.start = start;
this.end = end;
this.line = line;
this.column = column;
this.value = value;
this.prev = prev;
this.next = null;
}; // Print a simplified form when appearing in JSON/util.inspect.
defineToJSON(Token, function () {
return {
kind: this.kind,
value: this.value,
line: this.line,
column: this.column
};
});
/**
* @internal
*/
export function isNode(maybeNode) {
return maybeNode != null && typeof maybeNode.kind === 'string';
}
/**
* The list of all possible AST node types.
*/