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// Copyright 2020 The Tint Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "src/tint/ast/case_statement.h"
#include <utility>
#include "src/tint/program_builder.h"
TINT_INSTANTIATE_TYPEINFO(tint::ast::CaseStatement);
namespace tint::ast {
CaseStatement::CaseStatement(ProgramID pid,
NodeID nid,
const Source& src,
utils::VectorRef<const CaseSelector*> s,
const BlockStatement* b)
: Base(pid, nid, src), selectors(std::move(s)), body(b) {
TINT_ASSERT(AST, body);
TINT_ASSERT(AST, !selectors.IsEmpty());
TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(AST, body, program_id);
for (auto* selector : selectors) {
TINT_ASSERT(AST, selector);
TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(AST, selector, program_id);
}
}
CaseStatement::~CaseStatement() = default;
bool CaseStatement::ContainsDefault() const {
for (const auto* sel : selectors) {
if (sel->IsDefault()) {
return true;
}
}
return false;
}
const CaseStatement* CaseStatement::Clone(CloneContext* ctx) const {
// Clone arguments outside of create() call to have deterministic ordering
auto src = ctx->Clone(source);
auto sel = ctx->Clone(selectors);
auto* b = ctx->Clone(body);
return ctx->dst->create<CaseStatement>(src, std::move(sel), b);
}
} // namespace tint::ast