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 "WHLSLSynthesizeConstructors.h"
28
29#if ENABLE(WEBGPU)
30
31#include "WHLSLArrayType.h"
32#include "WHLSLArrayReferenceType.h"
33#include "WHLSLEnumerationDefinition.h"
34#include "WHLSLInferTypes.h"
35#include "WHLSLNativeFunctionDeclaration.h"
36#include "WHLSLNativeTypeDeclaration.h"
37#include "WHLSLPointerType.h"
38#include "WHLSLProgram.h"
39#include "WHLSLStructureDefinition.h"
40#include "WHLSLTypeReference.h"
41#include "WHLSLVariableDeclaration.h"
42#include "WHLSLVisitor.h"
43
44namespace WebCore {
45
46namespace WHLSL {
47
48class FindAllTypes : public Visitor {
49public:
50 ~FindAllTypes() = default;
51
52 void visit(AST::PointerType& pointerType) override
53 {
54 m_unnamedTypes.append(pointerType);
55 Visitor::visit(pointerType);
56 }
57
58 void visit(AST::ArrayReferenceType& arrayReferenceType) override
59 {
60 m_unnamedTypes.append(arrayReferenceType);
61 Visitor::visit(arrayReferenceType);
62 }
63
64 void visit(AST::ArrayType& arrayType) override
65 {
66 m_unnamedTypes.append(arrayType);
67 Visitor::visit(arrayType);
68 }
69
70 void visit(AST::EnumerationDefinition& enumerationDefinition) override
71 {
72 m_namedTypes.append(enumerationDefinition);
73 Visitor::visit(enumerationDefinition);
74 }
75
76 void visit(AST::StructureDefinition& structureDefinition) override
77 {
78 m_namedTypes.append(structureDefinition);
79 Visitor::visit(structureDefinition);
80 }
81
82 void visit(AST::NativeTypeDeclaration& nativeTypeDeclaration) override
83 {
84 m_namedTypes.append(nativeTypeDeclaration);
85 Visitor::visit(nativeTypeDeclaration);
86 }
87
88 Vector<std::reference_wrapper<AST::UnnamedType>>&& takeUnnamedTypes()
89 {
90 return WTFMove(m_unnamedTypes);
91 }
92
93 Vector<std::reference_wrapper<AST::NamedType>>&& takeNamedTypes()
94 {
95 return WTFMove(m_namedTypes);
96 }
97
98private:
99 Vector<std::reference_wrapper<AST::UnnamedType>> m_unnamedTypes;
100 Vector<std::reference_wrapper<AST::NamedType>> m_namedTypes;
101};
102
103bool synthesizeConstructors(Program& program)
104{
105 FindAllTypes findAllTypes;
106 findAllTypes.checkErrorAndVisit(program);
107 auto unnamedTypes = findAllTypes.takeUnnamedTypes();
108 auto namedTypes = findAllTypes.takeNamedTypes();
109
110 bool isOperator = true;
111
112 for (auto& unnamedType : unnamedTypes) {
113 AST::VariableDeclaration variableDeclaration(Lexer::Token(unnamedType.get().origin()), AST::Qualifiers(), { unnamedType.get().clone() }, String(), WTF::nullopt, WTF::nullopt);
114 AST::VariableDeclarations parameters;
115 parameters.append(WTFMove(variableDeclaration));
116 AST::NativeFunctionDeclaration copyConstructor(AST::FunctionDeclaration(Lexer::Token(unnamedType.get().origin()), AST::AttributeBlock(), WTF::nullopt, unnamedType.get().clone(), "operator cast"_str, WTFMove(parameters), WTF::nullopt, isOperator));
117 program.append(WTFMove(copyConstructor));
118
119 AST::NativeFunctionDeclaration defaultConstructor(AST::FunctionDeclaration(Lexer::Token(unnamedType.get().origin()), AST::AttributeBlock(), WTF::nullopt, unnamedType.get().clone(), "operator cast"_str, AST::VariableDeclarations(), WTF::nullopt, isOperator));
120 if (!program.append(WTFMove(defaultConstructor)))
121 return false;
122 }
123
124 for (auto& namedType : namedTypes) {
125 if (matches(namedType, program.intrinsics().voidType()))
126 continue;
127 if (is<AST::NativeTypeDeclaration>(static_cast<AST::NamedType&>(namedType)) && downcast<AST::NativeTypeDeclaration>(static_cast<AST::NamedType&>(namedType)).isAtomic())
128 continue;
129
130 AST::VariableDeclaration variableDeclaration(Lexer::Token(namedType.get().origin()), AST::Qualifiers(), { AST::TypeReference::wrap(Lexer::Token(namedType.get().origin()), namedType.get()) }, String(), WTF::nullopt, WTF::nullopt);
131 AST::VariableDeclarations parameters;
132 parameters.append(WTFMove(variableDeclaration));
133 AST::NativeFunctionDeclaration copyConstructor(AST::FunctionDeclaration(Lexer::Token(namedType.get().origin()), AST::AttributeBlock(), WTF::nullopt, AST::TypeReference::wrap(Lexer::Token(namedType.get().origin()), namedType.get()), "operator cast"_str, WTFMove(parameters), WTF::nullopt, isOperator));
134 program.append(WTFMove(copyConstructor));
135
136 AST::NativeFunctionDeclaration defaultConstructor(AST::FunctionDeclaration(Lexer::Token(namedType.get().origin()), AST::AttributeBlock(), WTF::nullopt, AST::TypeReference::wrap(Lexer::Token(namedType.get().origin()), namedType.get()), "operator cast"_str, AST::VariableDeclarations(), WTF::nullopt, isOperator));
137 if (!program.append(WTFMove(defaultConstructor)))
138 return false;
139 }
140 return true;
141}
142
143} // namespace WHLSL
144
145} // namespace WebCore
146
147#endif // ENABLE(WEBGPU)
148