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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)
}
}
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