Nixyri/zig
1
0
Fork 0
mirror of https://github.com/ziglang/zig.git synced 2024-11-15 08:33:06 +00:00
Code Issues Packages Projects Releases Wiki Activity

Avoid comptime concatenation in EnumFieldStruct

Browse Source
This commit is contained in:
Carl Åstholm 2024-03-12 00:53:40 +01:00
parent 44cd59a3ba
commit 5be7e2c217
1 changed files with 6 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
lib/std/enums.zig
View File

@ -14,20 +14,19 @@ const eval_branch_quota_cushion = 5;
/// default, which may be undefined.
pub fn EnumFieldStruct(comptime E: type, comptime Data: type, comptime field_default: ?Data) type {
@setEvalBranchQuota(@typeInfo(E).Enum.fields.len + eval_branch_quota_cushion);
const StructField = std.builtin.Type.StructField;
var fields: []const StructField = &[_]StructField{};
for (@typeInfo(E).Enum.fields) |field| {
fields = fields ++ &[_]StructField{.{
.name = field.name ++ "",
var struct_fields: [@typeInfo(E).Enum.fields.len]std.builtin.Type.StructField = undefined;
for (&struct_fields, @typeInfo(E).Enum.fields) |*struct_field, enum_field| {
struct_field.* = .{
.name = enum_field.name ++ "",
.type = Data,
.default_value = if (field_default) |d| @as(?*const anyopaque, @ptrCast(&d)) else null,
.is_comptime = false,
.alignment = if (@sizeOf(Data) > 0) @alignOf(Data) else 0,
}};
};
}
return @Type(.{ .Struct = .{
.layout = .auto,
.fields = fields,
.fields = &struct_fields,
.decls = &.{},
.is_tuple = false,
} });