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const std = @import("std");
const zir = @import("../zir.zig");
const Value = @import("../value.zig").Value;
const Type = @import("../type.zig").Type;
const Module = @import("../Module.zig");
const Scope = Module.Scope;
const Struct = @This();
base: Type.Payload = .{ .tag = .@"struct" },
analysis: union(enum) {
queued: Zir,
zero_bits_in_progress,
zero_bits: Zero,
in_progress,
// alignment: Align,
resolved: Size,
failed,
},
scope: Scope.Container,
pub const Field = struct {
value: Value,
};
pub const Zir = struct {
body: zir.Module.Body,
inst: *zir.Inst,
};
pub const Zero = struct {
is_zero_bits: bool,
fields: std.StringArrayHashMapUnmanaged(Field),
};
pub const Size = struct {
is_zero_bits: bool,
alignment: u32,
size: u32,
fields: std.StringArrayHashMapUnmanaged(Field),
};
pub fn resolveZeroBits(self: *Struct, mod: *Module, scope: *Scope) !void {
const zir = switch (self.analysis) {
.failed => return error.AnalysisFail,
.zero_bits_in_progress => {
return mod.fail(scope, src, "struct '{}' depends on itself", .{});
},
.queued => |zir| zir,
else => return,
};
self.analysis = .zero_bits_in_progress;
// TODO
}
|
