1 // Copyright 2020 The Tint Authors.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 #include "src/ast/return_statement.h"
16
17 #include "src/program_builder.h"
18
19 TINT_INSTANTIATE_TYPEINFO(tint::ast::ReturnStatement);
20
21 namespace tint {
22 namespace ast {
23
ReturnStatement(ProgramID pid,const Source & src)24 ReturnStatement::ReturnStatement(ProgramID pid, const Source& src)
25 : Base(pid, src), value(nullptr) {}
26
ReturnStatement(ProgramID pid,const Source & src,const Expression * val)27 ReturnStatement::ReturnStatement(ProgramID pid,
28 const Source& src,
29 const Expression* val)
30 : Base(pid, src), value(val) {
31 TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(AST, value, program_id);
32 }
33
34 ReturnStatement::ReturnStatement(ReturnStatement&&) = default;
35
36 ReturnStatement::~ReturnStatement() = default;
37
Clone(CloneContext * ctx) const38 const ReturnStatement* ReturnStatement::Clone(CloneContext* ctx) const {
39 // Clone arguments outside of create() call to have deterministic ordering
40 auto src = ctx->Clone(source);
41 auto* ret = ctx->Clone(value);
42 return ctx->dst->create<ReturnStatement>(src, ret);
43 }
44
45 } // namespace ast
46 } // namespace tint
47