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_PROGRAMELEMENT 9 #define SKSL_PROGRAMELEMENT 10 11 #include "SkSLIRNode.h" 12 13 namespace SkSL { 14 15 /** 16 * Represents a top-level element (e.g. function or global variable) in a program. 17 */ 18 struct ProgramElement : public IRNode { 19 enum Kind { 20 kEnum_Kind, 21 kExtension_Kind, 22 kFunction_Kind, 23 kInterfaceBlock_Kind, 24 kModifiers_Kind, 25 kSection_Kind, 26 kVar_Kind 27 }; 28 ProgramElementProgramElement29 ProgramElement(int offset, Kind kind) 30 : INHERITED(offset) 31 , fKind(kind) {} 32 33 Kind fKind; 34 35 virtual std::unique_ptr<ProgramElement> clone() const = 0; 36 37 typedef IRNode INHERITED; 38 }; 39 40 } // namespace 41 42 #endif 43