1 | /* |
2 | * Copyright (C) 2016 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. ``AS IS'' AND ANY |
14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
23 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 | * |
25 | */ |
26 | |
27 | #pragma once |
28 | |
29 | #include "DOMJITHelpers.h" |
30 | |
31 | #if ENABLE(JIT) |
32 | |
33 | #include "Document.h" |
34 | #include "Element.h" |
35 | #include "Event.h" |
36 | #include "Node.h" |
37 | |
38 | namespace WebCore { namespace DOMJIT { |
39 | |
40 | template<typename DOMInterface> |
41 | struct TypeChecker { |
42 | }; |
43 | |
44 | template<> |
45 | struct TypeChecker<Node> { |
46 | static CCallHelpers::Jump branchIfFail(CCallHelpers& jit, GPRReg dom) |
47 | { |
48 | return DOMJIT::branchIfNotNode(jit, dom); |
49 | } |
50 | }; |
51 | |
52 | template<> |
53 | struct TypeChecker<Document> { |
54 | static CCallHelpers::Jump branchIfFail(CCallHelpers& jit, GPRReg dom) |
55 | { |
56 | return DOMJIT::branchIfNotDocumentWrapper(jit, dom); |
57 | } |
58 | }; |
59 | |
60 | template<> |
61 | struct TypeChecker<DocumentFragment> { |
62 | static CCallHelpers::Jump branchIfFail(CCallHelpers& jit, GPRReg dom) |
63 | { |
64 | return DOMJIT::branchIfNotDocumentFragment(jit, dom); |
65 | } |
66 | }; |
67 | |
68 | template<> |
69 | struct TypeChecker<Event> { |
70 | static CCallHelpers::Jump branchIfFail(CCallHelpers& jit, GPRReg dom) |
71 | { |
72 | return DOMJIT::branchIfNotEvent(jit, dom); |
73 | } |
74 | }; |
75 | |
76 | template<> |
77 | struct TypeChecker<Element> { |
78 | static CCallHelpers::Jump branchIfFail(CCallHelpers& jit, GPRReg dom) |
79 | { |
80 | return DOMJIT::branchIfNotElement(jit, dom); |
81 | } |
82 | }; |
83 | |
84 | template<typename DOMInterface> |
85 | Ref<JSC::Snippet> checkDOM() |
86 | { |
87 | Ref<JSC::Snippet> snippet = JSC::Snippet::create(); |
88 | snippet->setGenerator([=](CCallHelpers& jit, JSC::SnippetParams& params) { |
89 | return TypeChecker<DOMInterface>::branchIfFail(jit, params[0].gpr()); |
90 | }); |
91 | return snippet; |
92 | } |
93 | |
94 | } } |
95 | |
96 | #endif |
97 | |