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_ASTNODE 9#define SKSL_ASTNODE 10 11#include "SkSLString.h" 12 13namespace SkSL { 14 15/** 16 * Represents a node in the abstract syntax tree (AST). The AST is based directly on the parse tree; 17 * it is a parsed-but-not-yet-analyzed version of the program. 18 */ 19struct ASTNode { 20 virtual ~ASTNode() {} 21 22 virtual String description() const = 0; 23}; 24 25} // namespace 26 27#endif 28