Function parseExpression

scripts/babel/transform-test-gate-pragma.js:145–166

()

    let i = 0;
    function parseExpression() {
      let left = parseBinary();
      while (true) {
        const token = tokens[i];
        if (token !== undefined) {
          switch (token.type) {
            case '||':
            case '&&': {
              i++;
              const right = parseBinary();
              if (right === null) {
                throw Error('Missing expression after ' + token.type);
              }
              left = t.logicalExpression(token.type, left, right);
              continue;
            }
          }
        }
        break;
      }
      return left;
    }

    function parseBinary() {
      let left = parseUnary();