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1 /* | |
2 * Copyright 2016 Google Inc. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license that can be | |
5 * found in the LICENSE file. | |
6 */ | |
7 | |
8 #ifndef SKSL_ASTVARDECLARATION | |
9 #define SKSL_ASTVARDECLARATION | |
10 | |
11 #include "SkSLASTDeclaration.h" | |
12 #include "SkSLASTModifiers.h" | |
13 #include "SkSLASTStatement.h" | |
14 #include "SkSLASTType.h" | |
15 #include "../SkSLUtil.h" | |
16 | |
17 namespace SkSL { | |
18 | |
19 /** | |
20 * A variable declaration, which may consist of multiple individual variables. F or instance | |
21 * 'int x, y = 1, z[4][2];' is a single ASTVarDeclaration. This declaration woul d have a type of | |
22 * 'int', names ['x', 'y', 'z'], sizes of [[], [], [4, 2]], and values of [null, 1, null]. | |
23 */ | |
24 struct ASTVarDeclaration : public ASTDeclaration { | |
25 ASTVarDeclaration(ASTModifiers modifiers, | |
26 std::unique_ptr<ASTType> type, | |
27 std::vector<std::string> names, | |
28 std::vector<std::vector<std::unique_ptr<ASTExpression>>> s izes, | |
dogben
2016/06/20 16:23:18
Just to make sure I understand: array variable dec
ethannicholas
2016/06/20 17:45:49
Correct.
| |
29 std::vector<std::unique_ptr<ASTExpression>> values) | |
30 : INHERITED(type->fPosition, kVar_Kind) | |
31 , fModifiers(modifiers) | |
32 , fType(std::move(type)) | |
33 , fNames(names) | |
34 , fSizes(std::move(sizes)) | |
35 , fValues(std::move(values)) { | |
36 ASSERT(fNames.size() == fValues.size()); | |
37 } | |
38 | |
39 std::string description() const override { | |
40 std::string result = fModifiers.description() + fType->description() + " "; | |
41 for (size_t i = 0; i < fNames.size(); i++) { | |
42 result += fNames[i]; | |
43 for (size_t j = 0; j < fSizes[i].size(); j++) { | |
44 if (fSizes[i][j]) { | |
45 result += "[" + fSizes[i][j]->description() + "]"; | |
46 } else { | |
47 result += "[]"; | |
48 } | |
49 } | |
50 if (fValues[i]) { | |
51 result += " = " + fValues[i]->description(); | |
52 } | |
53 } | |
dogben
2016/06/20 16:23:18
missing comma between variables?
| |
54 return result + ";"; | |
55 } | |
56 | |
57 const ASTModifiers fModifiers; | |
58 const std::unique_ptr<ASTType> fType; | |
59 const std::vector<std::string> fNames; | |
60 const std::vector<std::vector<std::unique_ptr<ASTExpression>>> fSizes; | |
61 const std::vector<std::unique_ptr<ASTExpression>> fValues; | |
62 | |
63 typedef ASTDeclaration INHERITED; | |
64 }; | |
65 | |
66 } // namespace | |
67 | |
68 #endif | |
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