dawn-cmake/src/ast/case_statement.cc

78 lines
2.1 KiB
C++

// 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/ast/case_statement.h"
#include "src/clone_context.h"
#include "src/program_builder.h"
TINT_INSTANTIATE_CLASS_ID(tint::ast::CaseStatement);
namespace tint {
namespace ast {
CaseStatement::CaseStatement(const Source& source,
CaseSelectorList selectors,
BlockStatement* body)
: Base(source), selectors_(selectors), body_(body) {}
CaseStatement::CaseStatement(CaseStatement&&) = default;
CaseStatement::~CaseStatement() = default;
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, sel, b);
}
bool CaseStatement::IsValid() const {
return body_ != nullptr && body_->IsValid();
}
void CaseStatement::to_str(const semantic::Info& sem,
std::ostream& out,
size_t indent) const {
make_indent(out, indent);
if (IsDefault()) {
out << "Default{" << std::endl;
} else {
out << "Case ";
bool first = true;
for (auto* selector : selectors_) {
if (!first)
out << ", ";
first = false;
out << selector->to_str(sem);
}
out << "{" << std::endl;
}
if (body_ != nullptr) {
for (auto* stmt : *body_) {
stmt->to_str(sem, out, indent + 2);
}
}
make_indent(out, indent);
out << "}" << std::endl;
}
} // namespace ast
} // namespace tint