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
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
// Copyright (C) 2020-2022 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-ast-resolve-pattern.h"
#include "rust-ast-resolve-expr.h"
namespace Rust {
namespace Resolver {
void
PatternDeclaration::visit (AST::PathInExpression &pattern)
{
ResolvePath::go (&pattern, parent);
}
void
PatternDeclaration::visit (AST::TupleStructPattern &pattern)
{
ResolvePath::go (&pattern.get_path (), parent);
std::unique_ptr<AST::TupleStructItems> &items = pattern.get_items ();
switch (items->get_item_type ())
{
case AST::TupleStructItems::RANGE: {
// TODO
gcc_unreachable ();
}
break;
case AST::TupleStructItems::NO_RANGE: {
AST::TupleStructItemsNoRange &items_no_range
= static_cast<AST::TupleStructItemsNoRange &> (*items.get ());
for (auto &inner_pattern : items_no_range.get_patterns ())
{
PatternDeclaration::go (inner_pattern.get (),
inner_pattern->get_pattern_node_id ());
}
}
break;
}
}
void
PatternDeclaration::visit (AST::StructPattern &pattern)
{
ResolvePath::go (&pattern.get_path (), parent);
auto &struct_pattern_elems = pattern.get_struct_pattern_elems ();
for (auto &field : struct_pattern_elems.get_struct_pattern_fields ())
{
switch (field->get_item_type ())
{
case AST::StructPatternField::ItemType::TUPLE_PAT: {
// TODO
gcc_unreachable ();
}
break;
case AST::StructPatternField::ItemType::IDENT_PAT: {
// TODO
gcc_unreachable ();
}
break;
case AST::StructPatternField::ItemType::IDENT: {
AST::StructPatternFieldIdent &ident
= static_cast<AST::StructPatternFieldIdent &> (*field.get ());
resolver->get_name_scope ().insert (
CanonicalPath::new_seg (ident.get_node_id (),
ident.get_identifier ()),
ident.get_node_id (), ident.get_locus ());
resolver->insert_new_definition (ident.get_node_id (),
Definition{ident.get_node_id (),
ident.get_node_id ()});
resolver->mark_decl_mutability (ident.get_node_id (),
ident.is_mut ());
}
break;
}
}
// TODO
rust_assert (!struct_pattern_elems.has_etc ());
}
} // namespace Resolver
} // namespace Rust
|
