dawn-cmake/src/ast/float_literal.cc

53 lines
1.6 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/float_literal.h"
#include <limits>
#include "src/program_builder.h"
TINT_INSTANTIATE_TYPEINFO(tint::ast::FloatLiteral);
namespace tint {
namespace ast {
FloatLiteral::FloatLiteral(ProgramID program_id,
const Source& source,
float value)
: Base(program_id, source), value_(value) {}
FloatLiteral::~FloatLiteral() = default;
std::string FloatLiteral::to_str(const sem::Info&) const {
return std::to_string(value_);
}
std::string FloatLiteral::name() const {
std::ostringstream out;
out.flags(out.flags() | std::ios_base::showpoint);
out.precision(std::numeric_limits<float>::max_digits10);
out << "__float" << value_;
return out.str();
}
FloatLiteral* FloatLiteral::Clone(CloneContext* ctx) const {
// Clone arguments outside of create() call to have deterministic ordering
auto src = ctx->Clone(source());
return ctx->dst->create<FloatLiteral>(src, value_);
}
} // namespace ast
} // namespace tint