1/*
2 * Copyright (C) 2019 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "WHLSLSynthesizeStructureAccessors.h"
28
29#if ENABLE(WEBGPU)
30
31#include "WHLSLAddressSpace.h"
32#include "WHLSLPointerType.h"
33#include "WHLSLProgram.h"
34#include "WHLSLReferenceType.h"
35#include "WHLSLTypeReference.h"
36#include "WHLSLVariableDeclaration.h"
37
38namespace WebCore {
39
40namespace WHLSL {
41
42bool synthesizeStructureAccessors(Program& program)
43{
44 bool isOperator = true;
45 for (auto& structureDefinition : program.structureDefinitions()) {
46 for (auto& structureElement : structureDefinition->structureElements()) {
47 {
48 // The getter: operator.field
49 AST::VariableDeclaration variableDeclaration(Lexer::Token(structureElement.origin()), AST::Qualifiers(), { AST::TypeReference::wrap(Lexer::Token(structureElement.origin()), structureDefinition) }, String(), WTF::nullopt, WTF::nullopt);
50 AST::VariableDeclarations parameters;
51 parameters.append(WTFMove(variableDeclaration));
52 AST::NativeFunctionDeclaration nativeFunctionDeclaration(AST::FunctionDeclaration(Lexer::Token(structureElement.origin()), AST::AttributeBlock(), WTF::nullopt, structureElement.type().clone(), makeString("operator.", structureElement.name()), WTFMove(parameters), WTF::nullopt, isOperator));
53 if (!program.append(WTFMove(nativeFunctionDeclaration)))
54 return false;
55 }
56
57 {
58 // The setter: operator.field=
59 AST::VariableDeclaration variableDeclaration1(Lexer::Token(structureElement.origin()), AST::Qualifiers(), { AST::TypeReference::wrap(Lexer::Token(structureElement.origin()), structureDefinition) }, String(), WTF::nullopt, WTF::nullopt);
60 AST::VariableDeclaration variableDeclaration2(Lexer::Token(structureElement.origin()), AST::Qualifiers(), { structureElement.type().clone() }, String(), WTF::nullopt, WTF::nullopt);
61 AST::VariableDeclarations parameters;
62 parameters.append(WTFMove(variableDeclaration1));
63 parameters.append(WTFMove(variableDeclaration2));
64 AST::NativeFunctionDeclaration nativeFunctionDeclaration(AST::FunctionDeclaration(Lexer::Token(structureElement.origin()), AST::AttributeBlock(), WTF::nullopt, AST::TypeReference::wrap(Lexer::Token(structureElement.origin()), structureDefinition), makeString("operator.", structureElement.name(), '='), WTFMove(parameters), WTF::nullopt, isOperator));
65 if (!program.append(WTFMove(nativeFunctionDeclaration)))
66 return false;
67 }
68
69 // The ander: operator&.field
70 auto createAnder = [&](AST::AddressSpace addressSpace) -> AST::NativeFunctionDeclaration {
71 auto argumentType = makeUniqueRef<AST::PointerType>(Lexer::Token(structureElement.origin()), addressSpace, AST::TypeReference::wrap(Lexer::Token(structureElement.origin()), structureDefinition));
72 AST::VariableDeclaration variableDeclaration(Lexer::Token(structureElement.origin()), AST::Qualifiers(), { WTFMove(argumentType) }, String(), WTF::nullopt, WTF::nullopt);
73 AST::VariableDeclarations parameters;
74 parameters.append(WTFMove(variableDeclaration));
75 auto returnType = makeUniqueRef<AST::PointerType>(Lexer::Token(structureElement.origin()), addressSpace, structureElement.type().clone());
76 AST::NativeFunctionDeclaration nativeFunctionDeclaration(AST::FunctionDeclaration(Lexer::Token(structureElement.origin()), AST::AttributeBlock(), WTF::nullopt, WTFMove(returnType), makeString("operator&.", structureElement.name()), WTFMove(parameters), WTF::nullopt, isOperator));
77 return nativeFunctionDeclaration;
78 };
79 if (!program.append(createAnder(AST::AddressSpace::Constant))
80 || !program.append(createAnder(AST::AddressSpace::Device))
81 || !program.append(createAnder(AST::AddressSpace::Threadgroup))
82 || !program.append(createAnder(AST::AddressSpace::Thread)))
83 return false;
84 }
85 }
86 return true;
87}
88
89} // namespace WHLSL
90
91} // namespace WebCore
92
93#endif // ENABLE(WEBGPU)
94