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
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
// 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/>.
#ifndef RUST_COMPILE_VAR_DECL
#define RUST_COMPILE_VAR_DECL
#include "rust-compile-base.h"
#include "rust-hir-visitor.h"
namespace Rust {
namespace Compile {
class CompileVarDecl : public HIRCompileBase,
public HIR::HIRPatternVisitor,
public HIR::HIRStmtVisitor
{
using HIR::HIRPatternVisitor::visit;
using HIR::HIRStmtVisitor::visit;
public:
static ::Bvariable *compile (tree fndecl, HIR::Stmt *stmt, Context *ctx)
{
CompileVarDecl compiler (ctx, fndecl);
stmt->accept_vis (compiler);
ctx->insert_var_decl (stmt->get_mappings ().get_hirid (),
compiler.compiled_variable);
return compiler.compiled_variable;
}
void visit (HIR::LetStmt &stmt) override
{
locus = stmt.get_locus ();
TyTy::BaseType *resolved_type = nullptr;
bool ok = ctx->get_tyctx ()->lookup_type (stmt.get_mappings ().get_hirid (),
&resolved_type);
rust_assert (ok);
translated_type = TyTyResolveCompile::compile (ctx, resolved_type);
stmt.get_pattern ()->accept_vis (
static_cast<HIR::HIRPatternVisitor &> (*this));
}
void visit (HIR::IdentifierPattern &pattern) override
{
if (!pattern.is_mut ())
translated_type = ctx->get_backend ()->immutable_type (translated_type);
compiled_variable
= ctx->get_backend ()->local_variable (fndecl, pattern.get_identifier (),
translated_type, NULL /*decl_var*/,
locus);
}
void visit (HIR::WildcardPattern &pattern) override
{
translated_type = ctx->get_backend ()->immutable_type (translated_type);
compiled_variable
= ctx->get_backend ()->local_variable (fndecl, "_", translated_type,
NULL /*decl_var*/, locus);
}
// Empty visit for unused Pattern HIR nodes.
void visit (HIR::GroupedPattern &) override {}
void visit (HIR::LiteralPattern &) override {}
void visit (HIR::PathInExpression &) override {}
void visit (HIR::QualifiedPathInExpression &) override {}
void visit (HIR::RangePattern &) override {}
void visit (HIR::ReferencePattern &) override {}
void visit (HIR::SlicePattern &) override {}
void visit (HIR::StructPattern &) override {}
void visit (HIR::TuplePattern &) override {}
void visit (HIR::TupleStructPattern &) override {}
// Empty visit for unused Stmt HIR nodes.
void visit (HIR::EnumItemTuple &) override {}
void visit (HIR::EnumItemStruct &) override {}
void visit (HIR::EnumItem &item) override {}
void visit (HIR::TupleStruct &tuple_struct) override {}
void visit (HIR::EnumItemDiscriminant &) override {}
void visit (HIR::TypePathSegmentFunction &segment) override {}
void visit (HIR::TypePath &path) override {}
void visit (HIR::QualifiedPathInType &path) override {}
void visit (HIR::Module &module) override {}
void visit (HIR::ExternCrate &crate) override {}
void visit (HIR::UseDeclaration &use_decl) override {}
void visit (HIR::Function &function) override {}
void visit (HIR::TypeAlias &type_alias) override {}
void visit (HIR::StructStruct &struct_item) override {}
void visit (HIR::Enum &enum_item) override {}
void visit (HIR::Union &union_item) override {}
void visit (HIR::ConstantItem &const_item) override {}
void visit (HIR::StaticItem &static_item) override {}
void visit (HIR::Trait &trait) override {}
void visit (HIR::ImplBlock &impl) override {}
void visit (HIR::ExternBlock &block) override {}
void visit (HIR::EmptyStmt &stmt) override {}
void visit (HIR::ExprStmtWithoutBlock &stmt) override {}
void visit (HIR::ExprStmtWithBlock &stmt) override {}
private:
CompileVarDecl (Context *ctx, tree fndecl)
: HIRCompileBase (ctx), fndecl (fndecl), translated_type (error_mark_node),
compiled_variable (ctx->get_backend ()->error_variable ())
{}
tree fndecl;
tree translated_type;
Location locus;
Bvariable *compiled_variable;
};
} // namespace Compile
} // namespace Rust
#endif // RUST_COMPILE_VAR_DECL
|
