tiny.choir.Type

1pub const Type = struct {2    type_id: TypeID,34    impl: *const anyopaque,56    pub const TypeID = enum(u32) {7        dialect_type,8        _,9    };1011    pub const DialectTypeStorage = struct {12        name: []const u8,13        param_key: []const u8,14        type_info: ?*const anyopaque,15        print_fn: ?*const fn (type_ptr: *const anyopaque, writer: *std.Io.Writer) std.Io.Writer.Error!void,16        unique_id: u64,17    };1819    pub fn isa(self: Type, comptime type_id: TypeID) bool {20        return self.type_id == type_id;21    }2223    pub fn cast(self: Type, comptime T: type) ?*const T {24        return @ptrCast(@alignCast(self.impl));25    }2627    pub fn isDialectType(self: Type) bool {28        return self.type_id == .dialect_type;29    }3031    pub fn getDialectStorage(self: Type) ?*const DialectTypeStorage {32        if (self.type_id != .dialect_type) return null;33        return @ptrCast(@alignCast(self.impl));34    }3536    pub fn getDialectTypeName(self: Type) ?[]const u8 {37        if (self.getDialectStorage()) |storage| {38            return storage.name;39        }40        return null;41    }4243    pub fn getDialectParamKey(self: Type) ?[]const u8 {44        if (self.getDialectStorage()) |storage| {45            if (storage.param_key.len == 0) return null;46            return storage.param_key;47        }48        return null;49    }5051    pub fn uniqueId(self: Type) u64 {52        if (self.getDialectStorage()) |storage| {53            return storage.unique_id;54        }55        return @intFromPtr(self.impl);56    }5758    pub fn eql(self: Type, other: Type) bool {59        return self.impl == other.impl;60    }6162    pub fn format(self: Type, writer: *std.Io.Writer) std.Io.Writer.Error!void {63        switch (self.type_id) {64            .dialect_type => {65                if (self.getDialectStorage()) |storage| {66                    try writer.print("!{s}", .{storage.name});67                    if (storage.param_key.len > 0) {68                        try writer.print("<{s}>", .{storage.param_key});69                    }70                } else {71                    try writer.writeAll("!dialect_type");72                }73            },74            else => try writer.print("!type<{d}>", .{@backingInt(self.type_id)}),75        }76    }77};

1pub const Type = ir.Type;