| 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) |
| } |
| } |
