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1 /* | 1 /* |
2 * Copyright 2016 Google Inc. | 2 * Copyright 2016 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef SKSL_VARIABLE | 8 #ifndef SKSL_VARIABLE |
9 #define SKSL_VARIABLE | 9 #define SKSL_VARIABLE |
10 | 10 |
11 #include "SkSLModifiers.h" | 11 #include "SkSLModifiers.h" |
12 #include "SkSLPosition.h" | 12 #include "SkSLPosition.h" |
13 #include "SkSLSymbol.h" | 13 #include "SkSLSymbol.h" |
14 #include "SkSLType.h" | 14 #include "SkSLType.h" |
15 | 15 |
16 namespace SkSL { | 16 namespace SkSL { |
17 | 17 |
18 /** | 18 /** |
19 * Represents a variable, whether local, global, or a function parameter. This r
epresents the | 19 * Represents a variable, whether local, global, or a function parameter. This r
epresents the |
20 * variable itself (the storage location), which is shared between all VariableR
eferences which | 20 * variable itself (the storage location), which is shared between all VariableR
eferences which |
21 * read or write that storage location. | 21 * read or write that storage location. |
22 */ | 22 */ |
23 struct Variable : public Symbol { | 23 struct Variable : public Symbol { |
24 enum Storage { | 24 enum Storage { |
25 kGlobal_Storage, | 25 kGlobal_Storage, |
26 kLocal_Storage, | 26 kLocal_Storage, |
27 kParameter_Storage | 27 kParameter_Storage |
28 }; | 28 }; |
29 | 29 |
30 Variable(Position position, Modifiers modifiers, std::string name, std::shar
ed_ptr<Type> type, | 30 Variable(Position position, Modifiers modifiers, std::string name, const Typ
e& type, |
31 Storage storage) | 31 Storage storage) |
32 : INHERITED(position, kVariable_Kind, std::move(name)) | 32 : INHERITED(position, kVariable_Kind, std::move(name)) |
33 , fModifiers(modifiers) | 33 , fModifiers(modifiers) |
34 , fType(type) | 34 , fType(type) |
35 , fStorage(storage) | 35 , fStorage(storage) |
36 , fIsReadFrom(false) | 36 , fIsReadFrom(false) |
37 , fIsWrittenTo(false) {} | 37 , fIsWrittenTo(false) {} |
38 | 38 |
39 virtual std::string description() const override { | 39 virtual std::string description() const override { |
40 return fModifiers.description() + fType->fName + " " + fName; | 40 return fModifiers.description() + fType.fName + " " + fName; |
41 } | 41 } |
42 | 42 |
43 const Modifiers fModifiers; | 43 const Modifiers fModifiers; |
44 const std::string fValue; | 44 const Type& fType; |
45 const std::shared_ptr<Type> fType; | |
46 const Storage fStorage; | 45 const Storage fStorage; |
47 | 46 |
48 mutable bool fIsReadFrom; | 47 mutable bool fIsReadFrom; |
49 mutable bool fIsWrittenTo; | 48 mutable bool fIsWrittenTo; |
50 | 49 |
51 typedef Symbol INHERITED; | 50 typedef Symbol INHERITED; |
52 }; | 51 }; |
53 | 52 |
54 } // namespace SkSL | 53 } // namespace SkSL |
55 | 54 |
56 namespace std { | |
57 template <> | |
58 struct hash<SkSL::Variable> { | |
59 public : | |
60 size_t operator()(const SkSL::Variable &var) const{ | |
61 return hash<std::string>()(var.fName) ^ hash<std::string>()(var.fTyp
e->description()); | |
62 } | |
63 }; | |
64 } // namespace std | |
65 | |
66 #endif | 55 #endif |
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