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// Copyright 2022 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/ir/constant.h"
#include <string>
#include "src/tint/constant/composite.h"
#include "src/tint/constant/scalar.h"
#include "src/tint/constant/splat.h"
TINT_INSTANTIATE_TYPEINFO(tint::ir::Constant);
namespace tint::ir {
Constant::Constant(const constant::Value* val) : value(val) {}
Constant::~Constant() = default;
std::ostream& Constant::ToString(std::ostream& out, const SymbolTable& st) const {
std::function<void(const constant::Value*)> emit = [&](const constant::Value* c) {
Switch(
c,
[&](const constant::Scalar<AFloat>* scalar) { out << scalar->ValueAs<AFloat>().value; },
[&](const constant::Scalar<AInt>* scalar) { out << scalar->ValueAs<AInt>().value; },
[&](const constant::Scalar<i32>* scalar) { out << scalar->ValueAs<i32>().value; },
[&](const constant::Scalar<u32>* scalar) { out << scalar->ValueAs<u32>().value; },
[&](const constant::Scalar<f32>* scalar) { out << scalar->ValueAs<f32>().value; },
[&](const constant::Scalar<f16>* scalar) { out << scalar->ValueAs<f16>().value; },
[&](const constant::Scalar<bool>* scalar) {
out << (scalar->ValueAs<bool>() ? "true" : "false");
},
[&](const constant::Splat* splat) {
out << splat->Type()->FriendlyName(st) << "(";
emit(splat->Index(0));
out << ")";
},
[&](const constant::Composite* composite) {
out << composite->Type()->FriendlyName(st) << "(";
for (const auto* elem : composite->elements) {
if (elem != composite->elements[0]) {
out << ", ";
}
emit(elem);
}
out << ")";
});
};
emit(value);
return out;
}
} // namespace tint::ir