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InternPool: add the missing pointer data

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This commit is contained in:
Andrew Kelley 2023-05-04 20:39:32 -07:00
parent 5e636643d2
commit 773fabf361
1 changed files with 20 additions and 1 deletions
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21
src/InternPool.zig
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@ -653,7 +653,6 @@ pub const Tag = enum(u8) {
/// data is payload to Vector.
type_vector,
/// A fully explicitly specified pointer type.
/// TODO actually this is missing some stuff like bit_offset
/// data is payload to Pointer.
type_pointer,
/// An optional type.
@ -793,6 +792,8 @@ pub const Pointer = struct {
child: Index,
sentinel: Index,
flags: Flags,
packed_offset: PackedOffset,
vector_index: VectorIndex,
pub const Flags = packed struct(u32) {
alignment: u16,
@ -804,8 +805,14 @@ pub const Pointer = struct {
_: u7 = undefined,
};
pub const PackedOffset = packed struct(u32) {
host_size: u16,
bit_offset: u16,
};
pub const Size = std.builtin.Type.Pointer.Size;
pub const AddressSpace = std.builtin.AddressSpace;
pub const VectorIndex = Key.PtrType.VectorIndex;
};
/// Used for non-sentineled arrays that have length fitting in u32, as well as
@ -914,6 +921,9 @@ pub fn indexToKey(ip: InternPool, index: Index) Key {
.is_volatile = ptr_info.flags.is_volatile,
.is_allowzero = ptr_info.flags.is_allowzero,
.address_space = ptr_info.flags.address_space,
.vector_index = ptr_info.vector_index,
.host_size = ptr_info.packed_offset.host_size,
.bit_offset = ptr_info.packed_offset.bit_offset,
} };
},
@ -972,6 +982,11 @@ pub fn get(ip: *InternPool, gpa: Allocator, key: Key) Allocator.Error!Index {
.size = ptr_type.size,
.address_space = ptr_type.address_space,
},
.packed_offset = .{
.host_size = ptr_type.host_size,
.bit_offset = ptr_type.bit_offset,
},
.vector_index = ptr_type.vector_index,
}),
});
},
@ -1126,6 +1141,8 @@ fn addExtraAssumeCapacity(ip: *InternPool, extra: anytype) u32 {
Index => @enumToInt(@field(extra, field.name)),
i32 => @bitCast(u32, @field(extra, field.name)),
Pointer.Flags => @bitCast(u32, @field(extra, field.name)),
Pointer.PackedOffset => @bitCast(u32, @field(extra, field.name)),
Pointer.VectorIndex => @enumToInt(@field(extra, field.name)),
else => @compileError("bad field type: " ++ @typeName(field.type)),
});
}
@ -1180,6 +1197,8 @@ fn extraData(ip: InternPool, comptime T: type, index: usize) T {
Index => @intToEnum(Index, ip.extra.items[i]),
i32 => @bitCast(i32, ip.extra.items[i]),
Pointer.Flags => @bitCast(Pointer.Flags, ip.extra.items[i]),
Pointer.PackedOffset => @bitCast(Pointer.PackedOffset, ip.extra.items[i]),
Pointer.VectorIndex => @intToEnum(Pointer.VectorIndex, ip.extra.items[i]),
else => @compileError("bad field type: " ++ @typeName(field.type)),
};
i += 1;