import { CaretInfixParselet, CharToken, TokensTag } from "@caret-js/core";
import { CaretNode, CaretParser } from "@caret-js/core";
import { MultiplyNode } from "../nodes/multiply";
import { MultiplicationStyleTag } from "./adjacentMultiplication";

export class MultiplyParselet extends CaretInfixParselet {
  public readonly associativity = "left";

  parse(parser: CaretParser, left: CaretNode): MultiplyNode {
    const token = parser.consume();
    this.assert(
      token instanceof CharToken && token.char === "*",
      "Expected '*' token"
    );

    const right = parser.parseMinBP(this);
    return MultiplyNode.from([left, right])
      .addTag(new TokensTag([token]))
      .addTag(new MultiplicationStyleTag("dot"));
  }
}