import {Parser} from “./state” import {Position, getLineInfo} from “./locutil”

const pp = Parser.prototype

// This function is used to raise exceptions on parse errors. It // takes an offset integer (into the current `input`) to indicate // the location of the error, attaches the position to the end // of the error message, and then raises a `SyntaxError` with that // message.

pp.raise = function(pos, message) {

let loc = getLineInfo(this.input, pos)
message += " (" + loc.line + ":" + loc.column + ")"
let err = new SyntaxError(message)
err.pos = pos; err.loc = loc; err.raisedAt = this.pos
throw err

}

pp.raiseRecoverable = pp.raise

pp.curPosition = function() {

if (this.options.locations) {
  return new Position(this.curLine, this.pos - this.lineStart)
}

}