private void parseShape()

in smithy-model/src/main/java/software/amazon/smithy/model/loader/IdlModelParser.java [336:429]
88 lines of code
26 McCabe index (conditional complexity)

    private void parseShape(List<TraitEntry> traits) {
        SourceLocation location = currentLocation();

        // Do a check here to give better parsing error messages.
        String shapeType = ParserUtils.parseIdentifier(this);
        if (!SHAPE_TYPES.contains(shapeType)) {
            switch (shapeType) {
                case "use":
                    throw syntax("A use statement must come before any shape definition");
                case "namespace":
                    throw syntax("Only a single namespace can be declared per/file");
                case "metadata":
                    throw syntax("Metadata statements must appear before a namespace statement");
                default:
                    throw syntax("Unexpected shape type: " + shapeType);
            }
        }

        ws();
        ShapeId id = parseShapeName();

        switch (shapeType) {
            case "service":
                parseServiceStatement(id, location);
                break;
            case "resource":
                parseResourceStatement(id, location);
                break;
            case "operation":
                parseOperationStatement(id, location);
                break;
            case "structure":
                parseStructuredShape(id, location, StructureShape.builder());
                break;
            case "union":
                parseStructuredShape(id, location, UnionShape.builder());
                break;
            case "list":
                parseCollection(id, location, ListShape.builder());
                break;
            case "set":
                parseCollection(id, location, SetShape.builder());
                break;
            case "map":
                parseMapStatement(id, location);
                break;
            case "boolean":
                parseSimpleShape(id, location, BooleanShape.builder());
                break;
            case "string":
                parseSimpleShape(id, location, StringShape.builder());
                break;
            case "blob":
                parseSimpleShape(id, location, BlobShape.builder());
                break;
            case "byte":
                parseSimpleShape(id, location, ByteShape.builder());
                break;
            case "short":
                parseSimpleShape(id, location, ShortShape.builder());
                break;
            case "integer":
                parseSimpleShape(id, location, IntegerShape.builder());
                break;
            case "long":
                parseSimpleShape(id, location, LongShape.builder());
                break;
            case "float":
                parseSimpleShape(id, location, FloatShape.builder());
                break;
            case "document":
                parseSimpleShape(id, location, DocumentShape.builder());
                break;
            case "double":
                parseSimpleShape(id, location, DoubleShape.builder());
                break;
            case "bigInteger":
                parseSimpleShape(id, location, BigIntegerShape.builder());
                break;
            case "bigDecimal":
                parseSimpleShape(id, location, BigDecimalShape.builder());
                break;
            case "timestamp":
                parseSimpleShape(id, location, TimestampShape.builder());
                break;
            default:
                // Unreachable.
                throw syntax("Unexpected shape type: " + shapeType);
        }

        addTraits(id, traits);
        clearPendingDocs();
        br();
    }