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#pragma once
27
28#if ENABLE(WEBGPU)
29
30#include "WHLSLNameContext.h"
31#include "WHLSLVisitor.h"
32#include <wtf/HashSet.h>
33
34namespace WebCore {
35
36namespace WHLSL {
37
38class Program;
39
40class NameResolver : public Visitor {
41public:
42 NameResolver(NameContext&);
43
44 virtual ~NameResolver() = default;
45
46 void visit(AST::FunctionDefinition&) override;
47
48 void setCurrentFunctionDefinition(AST::FunctionDefinition* functionDefinition)
49 {
50 m_currentFunction = functionDefinition;
51 }
52
53private:
54 void visit(AST::TypeReference&) override;
55 void visit(AST::Block&) override;
56 void visit(AST::IfStatement&) override;
57 void visit(AST::WhileLoop&) override;
58 void visit(AST::DoWhileLoop&) override;
59 void visit(AST::ForLoop&) override;
60 void visit(AST::VariableDeclaration&) override;
61 void visit(AST::VariableReference&) override;
62 void visit(AST::Return&) override;
63 void visit(AST::PropertyAccessExpression&) override;
64 void visit(AST::DotExpression&) override;
65 void visit(AST::CallExpression&) override;
66 void visit(AST::EnumerationMemberLiteral&) override;
67
68 NameContext& m_nameContext;
69 HashSet<AST::TypeReference*> m_typeReferences;
70 AST::FunctionDefinition* m_currentFunction { nullptr };
71};
72
73bool resolveNamesInTypes(Program&, NameResolver&);
74bool resolveNamesInFunctions(Program&, NameResolver&);
75
76} // namespace WHLSL
77
78} // namespace WebCore
79
80#endif // ENABLE(WEBGPU)
81