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/if_statement.h"
16
17 #include "src/program_builder.h"
18
19 TINT_INSTANTIATE_TYPEINFO(tint::ast::IfStatement);
20
21 namespace tint {
22 namespace ast {
23
IfStatement(ProgramID pid,const Source & src,const Expression * cond,const BlockStatement * b,ElseStatementList else_stmts)24 IfStatement::IfStatement(ProgramID pid,
25 const Source& src,
26 const Expression* cond,
27 const BlockStatement* b,
28 ElseStatementList else_stmts)
29 : Base(pid, src),
30 condition(cond),
31 body(b),
32 else_statements(std::move(else_stmts)) {
33 TINT_ASSERT(AST, condition);
34 TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(AST, condition, program_id);
35 TINT_ASSERT(AST, body);
36 TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(AST, body, program_id);
37 for (auto* el : else_statements) {
38 TINT_ASSERT(AST, el);
39 TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(AST, el, program_id);
40 }
41 }
42
43 IfStatement::IfStatement(IfStatement&&) = default;
44
45 IfStatement::~IfStatement() = default;
46
Clone(CloneContext * ctx) const47 const IfStatement* IfStatement::Clone(CloneContext* ctx) const {
48 // Clone arguments outside of create() call to have deterministic ordering
49 auto src = ctx->Clone(source);
50 auto* cond = ctx->Clone(condition);
51 auto* b = ctx->Clone(body);
52 auto el = ctx->Clone(else_statements);
53 return ctx->dst->create<IfStatement>(src, cond, b, el);
54 }
55
56 } // namespace ast
57 } // namespace tint
58