lib/parse/index.js
function Position(start) {
    this.start = start;
    this.end = { line: lineno, column: column };
    this.source = options.source;
  }
function Position(start) {
    this.start = start;
    this.end = { line: lineno, column: column };
    this.source = options.source;
  }
function Position ( start ) { this . start = start ; this . end = { line : lineno , column : column } ; this . source = options . source ; }
Store position information for a node
Store position information for a node