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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/ast/loop_statement.h"
#include "src/program_builder.h"
TINT_INSTANTIATE_TYPEINFO(tint::ast::LoopStatement);
namespace tint {
namespace ast {
LoopStatement::LoopStatement(ProgramID program_id,
const Source& source,
BlockStatement* body,
BlockStatement* continuing)
: Base(program_id, source), body_(body), continuing_(continuing) {
TINT_ASSERT(AST, body_);
TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(AST, body_, program_id);
TINT_ASSERT_PROGRAM_IDS_EQUAL_IF_VALID(AST, continuing_, program_id);
}
LoopStatement::LoopStatement(LoopStatement&&) = default;
LoopStatement::~LoopStatement() = default;
LoopStatement* LoopStatement::Clone(CloneContext* ctx) const {
// Clone arguments outside of create() call to have deterministic ordering
auto src = ctx->Clone(source());
auto* b = ctx->Clone(body_);
auto* cont = ctx->Clone(continuing_);
return ctx->dst->create<LoopStatement>(src, b, cont);
}
void LoopStatement::to_str(const sem::Info& sem,
std::ostream& out,
size_t indent) const {
make_indent(out, indent);
out << "Loop{" << std::endl;
if (body_ != nullptr) {
for (auto* stmt : *body_) {
stmt->to_str(sem, out, indent + 2);
}
}
if (continuing_ != nullptr && continuing_->size() > 0) {
make_indent(out, indent + 2);
out << "continuing {" << std::endl;
for (auto* stmt : *continuing_) {
stmt->to_str(sem, out, indent + 4);
}
make_indent(out, indent + 2);
out << "}" << std::endl;
}
make_indent(out, indent);
out << "}" << std::endl;
}
} // namespace ast
} // namespace tint