1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
// Copyright (C) 2020-2024 Free Software Foundation, Inc.
// This file is part of GCC.
// GCC is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 3, or (at your option) any later
// version.
// GCC is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
// You should have received a copy of the GNU General Public License
// along with GCC; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#include "rust-derive-copy.h"
#include "rust-ast-full.h"
namespace Rust {
namespace AST {
DeriveCopy::DeriveCopy (location_t loc)
: DeriveVisitor (loc), expanded (nullptr)
{}
std::unique_ptr<AST::Item>
DeriveCopy::go (Item &item)
{
item.accept_vis (*this);
rust_assert (expanded);
return std::move (expanded);
}
std::unique_ptr<Item>
DeriveCopy::copy_impl (std::string name)
{
// `$crate::core::marker::Copy` instead
auto segments = std::vector<std::unique_ptr<TypePathSegment>> ();
segments.emplace_back (builder.type_path_segment ("Copy"));
auto copy = TypePath (std::move (segments), loc);
return std::unique_ptr<Item> (
new TraitImpl (copy, /* unsafe */ false,
/* exclam */ false, /* trait items */ {},
/* generics */ {}, builder.single_type_path (name),
WhereClause::create_empty (), Visibility::create_private (),
{}, {}, loc));
}
void
DeriveCopy::visit_struct (StructStruct &item)
{
expanded = copy_impl (item.get_struct_name ().as_string ());
}
void
DeriveCopy::visit_tuple (TupleStruct &item)
{
expanded = copy_impl (item.get_struct_name ().as_string ());
}
void
DeriveCopy::visit_enum (Enum &item)
{
expanded = copy_impl (item.get_identifier ().as_string ());
}
void
DeriveCopy::visit_union (Union &item)
{
expanded = copy_impl (item.get_identifier ().as_string ());
}
} // namespace AST
} // namespace Rust
|
