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1934f59427
Add a template file to generate parameter_usage.h and parameter_usage.cc when using tools/intrinsic-gen Bug: tint:832 Change-Id: I0ca4d092fdcda7d7846b968d43202f34450e516d Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/52644 Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Ben Clayton <bclayton@google.com> Reviewed-by: David Neto <dneto@google.com>
80 lines
2.3 KiB
C++
80 lines
2.3 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_SEM_CALL_TARGET_H_
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#define SRC_SEM_CALL_TARGET_H_
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#include <vector>
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#include "src/sem/node.h"
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#include "src/sem/parameter_usage.h"
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#include "src/sem/sampler_type.h"
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namespace tint {
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namespace sem {
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// Forward declarations
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class Type;
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/// Parameter describes a single parameter of a call target
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struct Parameter {
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/// Parameter type
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sem::Type* const type;
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/// Parameter usage
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ParameterUsage const usage = ParameterUsage::kNone;
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};
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std::ostream& operator<<(std::ostream& out, Parameter parameter);
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/// Comparison operator for Parameters
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static inline bool operator==(const Parameter& a, const Parameter& b) {
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return a.type == b.type && a.usage == b.usage;
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}
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/// ParameterList is a list of Parameter
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using ParameterList = std::vector<Parameter>;
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/// @param parameters the list of parameters
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/// @param usage the parameter usage to find
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/// @returns the index of the parameter with the given usage, or -1 if no
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/// parameter with the given usage exists.
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int IndexOf(const ParameterList& parameters, ParameterUsage usage);
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/// CallTarget is the base for callable functions
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class CallTarget : public Castable<CallTarget, Node> {
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public:
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/// Constructor
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/// @param return_type the return type of the call target
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/// @param parameters the parameters for the call target
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CallTarget(sem::Type* return_type, const ParameterList& parameters);
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/// @return the return type of the call target
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sem::Type* ReturnType() const { return return_type_; }
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/// Destructor
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~CallTarget() override;
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/// @return the parameters of the call target
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const ParameterList& Parameters() const { return parameters_; }
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private:
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sem::Type* const return_type_;
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ParameterList const parameters_;
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};
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} // namespace sem
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} // namespace tint
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#endif // SRC_SEM_CALL_TARGET_H_
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