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// Copyright 2021 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.
#ifndef SRC_INTRINSIC_TABLE_H_
#define SRC_INTRINSIC_TABLE_H_
#include <memory>
#include <string>
#include <vector>
#include "src/sem/intrinsic.h"
namespace tint {
// Forward declarations
class ProgramBuilder;
/// IntrinsicTable is a lookup table of all the WGSL intrinsic functions
class IntrinsicTable {
public:
/// @param builder the program builder
/// @return a pointer to a newly created IntrinsicTable
static std::unique_ptr<IntrinsicTable> Create(ProgramBuilder& builder);
/// Destructor
virtual ~IntrinsicTable();
/// Lookup looks for the intrinsic overload with the given signature, raising
/// an error diagnostic if the intrinsic was not found.
/// @param type the intrinsic type
/// @param args the argument types passed to the intrinsic function
/// @param source the source of the intrinsic call
/// @return the semantic intrinsic if found, otherwise nullptr
virtual const sem::Intrinsic* Lookup(
sem::IntrinsicType type,
const std::vector<const sem::Type*>& args,
const Source& source) = 0;
};
} // namespace tint
#endif // SRC_INTRINSIC_TABLE_H_