| /* |
| * Copyright 2016 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SKSL_ASTMODIFIERS |
| #define SKSL_ASTMODIFIERS |
| |
| #include "SkSLASTLayout.h" |
| #include "SkSLASTNode.h" |
| |
| namespace SkSL { |
| |
| /** |
| * A set of modifier keywords (in, out, uniform, etc.) appearing before a declaration. |
| */ |
| struct ASTModifiers : public ASTNode { |
| enum Flag { |
| kNo_Flag = 0, |
| kConst_Flag = 1, |
| kIn_Flag = 2, |
| kOut_Flag = 4, |
| kLowp_Flag = 8, |
| kMediump_Flag = 16, |
| kHighp_Flag = 32, |
| kUniform_Flag = 64, |
| kFlat_Flag = 128, |
| kNoPerspective_Flag = 256 |
| }; |
| |
| ASTModifiers(ASTLayout layout, int flags) |
| : fLayout(layout) |
| , fFlags(flags) {} |
| |
| std::string description() const override { |
| std::string result = fLayout.description(); |
| if (fFlags & kUniform_Flag) { |
| result += "uniform "; |
| } |
| if (fFlags & kConst_Flag) { |
| result += "const "; |
| } |
| if (fFlags & kLowp_Flag) { |
| result += "lowp "; |
| } |
| if (fFlags & kMediump_Flag) { |
| result += "mediump "; |
| } |
| if (fFlags & kHighp_Flag) { |
| result += "highp "; |
| } |
| if (fFlags & kFlat_Flag) { |
| result += "flat "; |
| } |
| if (fFlags & kNoPerspective_Flag) { |
| result += "noperspective "; |
| } |
| |
| if ((fFlags & kIn_Flag) && (fFlags & kOut_Flag)) { |
| result += "inout "; |
| } else if (fFlags & kIn_Flag) { |
| result += "in "; |
| } else if (fFlags & kOut_Flag) { |
| result += "out "; |
| } |
| |
| return result; |
| } |
| |
| const ASTLayout fLayout; |
| const int fFlags; |
| }; |
| |
| } // namespace |
| |
| #endif |
