Basic Reducer functionality

src/spacetime/types.zig

@@ -0,0 +1,167 @@
+pub const Str = []const u8;
+
+pub const SumTypeVariant = struct {
+    name: ?Str,
+    algebraic_type: AlgebraicType,
+};
+
+pub const SumType = struct {
+    variants: []const SumTypeVariant,
+};
+
+pub const ArrayType = struct {
+    /// The base type every element of the array has.
+    elem_ty: []const AlgebraicType,
+};
+
+pub const AlgebraicType = union(enum) {
+    Ref: AlgebraicTypeRef,
+    Sum: SumType,
+    Product: ProductType,
+    Array: ArrayType,
+    String: void,
+    Bool: void,
+    I8: void,
+    U8: void,
+    I16: void,
+    U16: void,
+    I32: void,
+    U32: void,
+    I64: void,
+    U64: void,
+    I128: void,
+    U128: void,
+    I256: void,
+    U256: void,
+    F32: void,
+    F64: void,
+};
+
+pub const Typespace = struct {
+    types: []const AlgebraicType,
+};
+
+pub const RawIdentifier = Str;
+
+pub const AlgebraicTypeRef = struct {
+    inner: u32,
+};
+
+pub const RawIndexAlgorithm = union {
+    BTree: []const u16,
+    Hash: []const u16,
+    Direct: u16,
+};
+
+pub const RawIndexDefV9 = struct {
+    name: ?Str,
+    accessor_name: ?Str,
+    algorithm: RawIndexAlgorithm,
+};
+
+pub const RawUniqueConstraintDataV9 = union {
+    Columns: u16,
+};
+
+pub const RawConstraintDataV9 = union {
+    unique: RawUniqueConstraintDataV9,
+};
+
+pub const RawConstraintDefV9 = struct {
+    name: ?Str,
+    data: RawConstraintDataV9
+};
+
+pub const RawSequenceDefV9 = struct {
+    Name: ?Str,
+    Column: u16,
+    Start: ?i128,
+    MinValue: ?i128,
+    MaxValue: ?i128,
+    Increment: i128
+};
+
+pub const RawScheduleDefV9 = struct {
+    Name: ?Str,
+    ReducerName: Str,
+    ScheduledAtColumn: u16
+};
+
+pub const TableType = enum {
+    System,
+    User,
+};
+
+pub const TableAccess = enum {
+    Public,
+    Private,
+};
+
+pub const RawTableDefV9 = struct {
+    name: RawIdentifier,
+    product_type_ref: AlgebraicTypeRef,
+    primary_key: []const u16,
+    indexes: []const RawIndexDefV9,
+    constraints: []const RawConstraintDefV9,
+    sequences: []const RawSequenceDefV9,
+    schedule: ?RawScheduleDefV9,
+    table_type: TableType,
+    table_access: TableAccess,
+};
+
+pub const ProductTypeElement = struct {
+    name: ?Str,
+    algebraic_type: AlgebraicType,
+};
+
+pub const ProductType = struct {
+    elements: []const ProductTypeElement,
+};
+
+pub const Lifecycle = enum {
+    Init,
+    OnConnect,
+    OnDisconnect,
+};
+
+pub const ReducerContext = struct {
+    indentity: u256,
+};
+
+pub const ReducerFn = fn(*ReducerContext) void;
+
+pub const RawReducerDefV9 = struct {
+    name: RawIdentifier,
+    params: ProductType,
+    lifecycle: ?Lifecycle,
+};
+
+pub const RawScopedTypeNameV9 = struct {
+    scope: []RawIdentifier,
+    name: RawIdentifier,
+};
+
+pub const RawTypeDefV9 = struct {
+    name: RawScopedTypeNameV9,
+    ty: AlgebraicTypeRef,
+    custom_ordering: bool,
+};
+
+pub const RawMiscModuleExportV9 = enum {
+    RESERVED,
+};
+
+pub const RawSql = []u8;
+
+pub const RawRowLevelSecurityDefV9 = struct {
+    sql: RawSql,
+};
+
+pub const RawModuleDefV9 = struct {
+    typespace: Typespace,
+    tables: []const RawTableDefV9,
+    reducers: []const RawReducerDefV9,
+    types: []const RawTypeDefV9,
+    misc_exports: []const RawMiscModuleExportV9,
+    row_level_security: []const RawRowLevelSecurityDefV9,
+};