61 lines
1.9 KiB
C++
61 lines
1.9 KiB
C++
// Copyright 2021 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef SRC_INTRINSIC_TABLE_H_
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#define SRC_INTRINSIC_TABLE_H_
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#include <memory>
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#include <string>
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#include <vector>
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#include "src/semantic/intrinsic.h"
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namespace tint {
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// Forward declarations
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class ProgramBuilder;
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/// IntrinsicTable is a lookup table of all the WGSL intrinsic functions
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class IntrinsicTable {
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public:
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/// @return a pointer to a newly created IntrinsicTable
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static std::unique_ptr<IntrinsicTable> Create();
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/// Destructor
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virtual ~IntrinsicTable();
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/// Result is returned by Lookup
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struct Result {
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/// The intrinsic, if the lookup succeeded, otherwise nullptr
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semantic::Intrinsic* intrinsic;
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/// Diagnostic messages
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diag::List diagnostics;
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};
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/// Lookup looks for the intrinsic overload with the given signature.
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/// @param builder the program builder
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/// @param type the intrinsic type
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/// @param args the argument types passed to the intrinsic function
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/// @param source the source of the intrinsic call
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/// @return the semantic intrinsic if found, otherwise nullptr
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virtual Result Lookup(ProgramBuilder& builder,
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semantic::IntrinsicType type,
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const std::vector<type::Type*>& args,
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const Source& source) const = 0;
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};
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} // namespace tint
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#endif // SRC_INTRINSIC_TABLE_H_
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