Method parseCallChain

packages/compiler/src/expression_parser/parser.ts:1090–1118

()

  }

  private parseCallChain(): AST {
    const start = this.inputIndex;
    let result = this.parsePrimary();
    while (true) {
      if (this.consumeOptionalCharacter(chars.$PERIOD)) {
        result = this.parseAccessMember(result, start, false);
      } else if (this.consumeOptionalOperator('?.')) {
        if (this.consumeOptionalCharacter(chars.$LPAREN)) {
          result = this.parseCall(result, start, true);
        } else {
          result = this.consumeOptionalCharacter(chars.$LBRACKET)
            ? this.parseKeyedReadOrWrite(result, start, true)
            : this.parseAccessMember(result, start, true);
        }
      } else if (this.consumeOptionalCharacter(chars.$LBRACKET)) {
        result = this.parseKeyedReadOrWrite(result, start, false);
      } else if (this.consumeOptionalCharacter(chars.$LPAREN)) {
        result = this.parseCall(result, start, false);
      } else if (this.consumeOptionalOperator('!')) {
        result = new NonNullAssert(this.span(start), this.sourceSpan(start), result);
      } else if (this.next.isTemplateLiteralEnd()) {
        result = this.parseNoInterpolationTaggedTemplateLiteral(result, start);
      } else if (this.next.isTemplateLiteralPart()) {
        result = this.parseTaggedTemplateLiteral(result, start);
      } else {
        return result;
      }
    }
  }

  private parsePrimary(): AST {
    const start = this.inputIndex;