Method ParseImportOperator

Source/SpireCore/Parser.cpp:1210–1252

		}

		RefPtr<ImportOperatorDefSyntaxNode> Parser::ParseImportOperator()
		{
			RefPtr<ImportOperatorDefSyntaxNode> op = new ImportOperatorDefSyntaxNode();
			PushScope(op.Ptr());
			FillPosition(op.Ptr());
			ReadToken("import");
			ReadToken(TokenType::LParent);
			op->SourceWorld = ReadToken(TokenType::Identifier);
			ReadToken(TokenType::RightArrow);
			op->DestWorld = ReadToken(TokenType::Identifier);
			ReadToken(TokenType::RParent);
			FillPosition(op.Ptr());
			op->Name = ReadToken(TokenType::Identifier);
			if (LookAheadToken(TokenType::OpLess))
			{
				ReadToken(TokenType::OpLess);
				op->TypeName = ReadToken(TokenType::Identifier);
				ReadToken(TokenType::OpGreater);
			}
			else
			{
				op->TypeName.Position = op->Name.Position;
				op->TypeName.Content = "TComponentType";
			}
			ReadToken(TokenType::LParent);
			while (!AdvanceIf(this, TokenType::RParent))
			{
				op->Members.Add(ParseParameter());
				if (AdvanceIf(this, TokenType::RParent))
					break;
                ReadToken(TokenType::Comma);
			}
			while (LookAheadToken("require"))
			{
				ReadToken("require");
				op->Requirements.Add(ParseFunction(false));
			}
			isInImportOperator = true;
			op->Body = ParseBlockStatement();
			isInImportOperator = false;
			PopScope();
			return op;
		}

        // TODO(tfoley): this definition is now largely redundant (only
        // used to parse requirements for import operators)