OLD | NEW |
---|---|
(Empty) | |
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_VARDECLARATION | |
9 #define SKSL_VARDECLARATION | |
10 | |
11 #include "SkSLExpression.h" | |
12 #include "SkSLStatement.h" | |
13 #include "SkSLVariable.h" | |
14 | |
15 namespace SkSL { | |
16 | |
17 /** | |
18 * A variable declaration, which may consist of multiple individual variables. F or instance | |
dogben
2016/06/22 17:43:58
Is there any reason not to split the multiple vari
ethannicholas
2016/06/24 21:23:10
I had started to do it that way, but then a single
| |
19 * 'int x, y = 1, z[4][2];' is a single VarDeclaration. This declaration would h ave a type of 'int', | |
20 * names ['x', 'y', 'z'], sizes of [[], [], [4, 2]], and values of [null, 1, nul l]. | |
21 */ | |
22 struct VarDeclaration : public ProgramElement { | |
23 VarDeclaration(Position position, std::vector<std::shared_ptr<Variable>> var s, | |
24 std::vector<std::vector<std::unique_ptr<Expression>>> sizes, | |
25 std::vector<std::unique_ptr<Expression>> values) | |
26 : INHERITED(position, kVar_Kind) | |
27 , fVars(std::move(vars)) | |
28 , fSizes(std::move(sizes)) | |
29 , fValues(std::move(values)) {} | |
30 | |
31 std::string description() const override { | |
32 std::string result = fVars[0]->fModifiers.description(); | |
33 std::shared_ptr<Type> baseType = fVars[0]->fType; | |
34 while (baseType->kind() == Type::kArray_Kind) { | |
35 baseType = baseType->componentType(); | |
36 } | |
37 result += baseType->description(); | |
38 std::string separator = " "; | |
39 for (size_t i = 0; i < fVars.size(); i++) { | |
40 result += separator; | |
41 separator = ", "; | |
42 result += fVars[i]->fName; | |
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 } | |
54 result += ";"; | |
55 return result; | |
56 } | |
57 | |
58 const std::vector<std::shared_ptr<Variable>> fVars; | |
59 const std::vector<std::vector<std::unique_ptr<Expression>>> fSizes; | |
60 const std::vector<std::unique_ptr<Expression>> fValues; | |
61 | |
62 typedef ProgramElement INHERITED; | |
63 }; | |
64 | |
65 } // namespace | |
66 | |
67 #endif | |
OLD | NEW |