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_MODIFIERDECLARATION 9 #define SKSL_MODIFIERDECLARATION 10 11 #include "src/sksl/SkSLPosition.h" 12 #include "src/sksl/ir/SkSLIRNode.h" 13 #include "src/sksl/ir/SkSLLayout.h" 14 #include "src/sksl/ir/SkSLModifierFlags.h" 15 #include "src/sksl/ir/SkSLProgramElement.h" 16 17 #include <memory> 18 #include <string> 19 20 namespace SkSL { 21 22 class Context; 23 struct Modifiers; 24 25 /** 26 * A declaration that consists only of modifiers, e.g.: 27 * 28 * layout(blend_support_all_equations) out; 29 */ 30 class ModifiersDeclaration final : public ProgramElement { 31 public: 32 inline static constexpr Kind kIRNodeKind = Kind::kModifiers; 33 ModifiersDeclaration(Position pos,const Layout & layout,ModifierFlags flags)34 ModifiersDeclaration(Position pos, const Layout& layout, ModifierFlags flags) 35 : INHERITED(pos, kIRNodeKind) 36 , fLayout(layout) 37 , fFlags(flags) {} 38 39 static std::unique_ptr<ModifiersDeclaration> Convert(const Context& context, 40 const Modifiers& modifiers); 41 42 static std::unique_ptr<ModifiersDeclaration> Make(const Context& context, 43 const Modifiers& modifiers); 44 layout()45 const Layout& layout() const { 46 return fLayout; 47 } 48 modifierFlags()49 ModifierFlags modifierFlags() const { 50 return fFlags; 51 } 52 description()53 std::string description() const override { 54 return fLayout.paddedDescription() + fFlags.description() + ';'; 55 } 56 57 private: 58 Layout fLayout; 59 ModifierFlags fFlags; 60 61 using INHERITED = ProgramElement; 62 }; 63 64 } // namespace SkSL 65 66 #endif 67