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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/assignment_statement.h"
16 
17 #include "src/program_builder.h"
18 
19 TINT_INSTANTIATE_TYPEINFO(tint::ast::AssignmentStatement);
20 
21 namespace tint {
22 namespace ast {
23 
AssignmentStatement(ProgramID pid,const Source & src,const Expression * l,const Expression * r)24 AssignmentStatement::AssignmentStatement(ProgramID pid,
25                                          const Source& src,
26                                          const Expression* l,
27                                          const Expression* r)
28     : Base(pid, src), lhs(l), rhs(r) {
29   TINT_ASSERT(AST, lhs);
30   TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(AST, lhs, program_id);
31   TINT_ASSERT(AST, rhs);
32   TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(AST, rhs, program_id);
33 }
34 
35 AssignmentStatement::AssignmentStatement(AssignmentStatement&&) = default;
36 
37 AssignmentStatement::~AssignmentStatement() = default;
38 
Clone(CloneContext * ctx) const39 const AssignmentStatement* AssignmentStatement::Clone(CloneContext* ctx) const {
40   // Clone arguments outside of create() call to have deterministic ordering
41   auto src = ctx->Clone(source);
42   auto* l = ctx->Clone(lhs);
43   auto* r = ctx->Clone(rhs);
44   return ctx->dst->create<AssignmentStatement>(src, l, r);
45 }
46 
47 }  // namespace ast
48 }  // namespace tint
49