private void checkNodeIsSupportedType()

in java/src/com/google/template/soy/passes/KeyCommandPass.java [130:182]

• 51 lines of code
• 36 McCabe index (conditional complexity)

  private void checkNodeIsSupportedType(ExprRootNode exprRootNode) {
    SoyType exprType = exprRootNode.getRoot().getType();
    Collection<SoyType> unwrapped =
        exprType.getKind() == Kind.UNION
            ? ((UnionType) exprType).getMembers()
            : ImmutableSet.of(exprType);
    boolean isSupportedType = true;
    for (SoyType type : unwrapped) {
      switch (type.getKind()) {
        case NULL:
        case INT:
        case FLOAT:
        case STRING:
        case PROTO_ENUM:
          // these are all fine.
          // null should potentially be rejected, but it is often hard to avoid nullable expressions
          break;
        case BOOL:
        case HTML:
        case ELEMENT:
        case ATTRIBUTES:
        case JS:
        case CSS:
        case URI:
        case TRUSTED_RESOURCE_URI:
        case LIST:
        case RECORD:
        case LEGACY_OBJECT_MAP:
        case MAP:
        case MESSAGE:
        case PROTO:
        case TEMPLATE:
        case VE:
        case VE_DATA:
        case ANY:
        case UNKNOWN:
          isSupportedType = false;
          break;
        case UNION:
        case PROTO_TYPE:
        case PROTO_ENUM_TYPE:
        case PROTO_EXTENSION:
        case PROTO_MODULE:
        case TEMPLATE_TYPE:
        case TEMPLATE_MODULE:
        case FUNCTION:
          throw new AssertionError("impossible");
      }
    }
    if (!isSupportedType) {
      errorReporter.report(exprRootNode.getSourceLocation(), UNSUPPORTED_TYPE, exprType);
    }
  }