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 <functional>
31#include <wtf/HashMap.h>
32#include <wtf/Vector.h>
33#include <wtf/text/WTFString.h>
34
35namespace WebCore {
36
37namespace WHLSL {
38
39namespace AST {
40
41class NamedType;
42class FunctionDeclaration;
43class TypeDefinition;
44class StructureDefinition;
45class EnumerationDefinition;
46class FunctionDefinition;
47class NativeFunctionDeclaration;
48class NativeTypeDeclaration;
49class VariableDeclaration;
50
51}
52
53class NameContext {
54public:
55 NameContext(NameContext* parent = nullptr);
56
57 bool add(AST::TypeDefinition&);
58 bool add(AST::StructureDefinition&);
59 bool add(AST::EnumerationDefinition&);
60 bool add(AST::FunctionDefinition&);
61 bool add(AST::NativeFunctionDeclaration&);
62 bool add(AST::NativeTypeDeclaration&);
63 bool add(AST::VariableDeclaration&);
64
65 Vector<std::reference_wrapper<AST::NamedType>, 1>* getTypes(const String&);
66 Vector<std::reference_wrapper<AST::FunctionDeclaration>, 1>* getFunctions(const String&);
67 AST::VariableDeclaration* getVariable(const String&);
68
69private:
70 bool exists(String&);
71
72 HashMap<String, Vector<std::reference_wrapper<AST::NamedType>, 1>> m_types;
73 HashMap<String, Vector<std::reference_wrapper<AST::FunctionDeclaration>, 1>> m_functions;
74 HashMap<String, AST::VariableDeclaration*> m_variables;
75 NameContext* m_parent;
76};
77
78}
79
80}
81
82#endif
83