aboutsummaryrefslogtreecommitdiff
path: root/gcc/rust/ast/rust-expression-yeast.cc
blob: 7626abc721c9b77802cc75f885695f5fadf16d72 (plain)
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
// Copyright (C) 2025 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-expression-yeast.h"
#include "rust-ast-visitor.h"
#include "rust-desugar-question-mark.h"
#include "rust-desugar-try-block.h"
#include "rust-desugar-for-loops.h"
#include "rust-desugar-while-let.h"
#include "rust-expr.h"

namespace Rust {
namespace AST {

void
ExpressionYeast::go (AST::Crate &crate)
{
  PointerVisitor::visit (crate);
}

void
ExpressionYeast::dispatch_loops (std::unique_ptr<Expr> &loop_expr)
{
  auto &loop = static_cast<BaseLoopExpr &> (*loop_expr.get ());

  switch (loop.get_loop_kind ())
    {
    case BaseLoopExpr::Kind::For:
      DesugarForLoops::go (loop_expr);
      break;
    case BaseLoopExpr::Kind::WhileLet:
      DesugarWhileLet::go (loop_expr);
      break;
    default:
      break;
    }
}

void
ExpressionYeast::reseat (std::unique_ptr<Expr> &expr)
{
  switch (expr->get_expr_kind ())
    {
    case Expr::Kind::ErrorPropagation:
      DesugarQuestionMark::go (expr);
      break;
    case Expr::Kind::Try:
      DesugarTryBlock::go (expr);
      break;
    case Expr::Kind::Loop:
      dispatch_loops (expr);
      break;

    default:
      break;
    }

  visit (expr);
}

} // namespace AST
} // namespace Rust