| /* |
| * 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_VARDECLARATION |
| #define SKSL_VARDECLARATION |
| |
| #include "SkSLExpression.h" |
| #include "SkSLStatement.h" |
| #include "SkSLVariable.h" |
| |
| namespace SkSL { |
| |
| /** |
| * A variable declaration, which may consist of multiple individual variables. For instance |
| * 'int x, y = 1, z[4][2];' is a single VarDeclaration. This declaration would have a type of 'int', |
| * names ['x', 'y', 'z'], sizes of [[], [], [4, 2]], and values of [null, 1, null]. |
| */ |
| struct VarDeclaration : public ProgramElement { |
| VarDeclaration(Position position, std::vector<const Variable*> vars, |
| std::vector<std::vector<std::unique_ptr<Expression>>> sizes, |
| std::vector<std::unique_ptr<Expression>> values) |
| : INHERITED(position, kVar_Kind) |
| , fVars(std::move(vars)) |
| , fSizes(std::move(sizes)) |
| , fValues(std::move(values)) {} |
| |
| std::string description() const override { |
| std::string result = fVars[0]->fModifiers.description(); |
| const Type* baseType = &fVars[0]->fType; |
| while (baseType->kind() == Type::kArray_Kind) { |
| baseType = &baseType->componentType(); |
| } |
| result += baseType->description(); |
| std::string separator = " "; |
| for (size_t i = 0; i < fVars.size(); i++) { |
| result += separator; |
| separator = ", "; |
| result += fVars[i]->fName; |
| for (size_t j = 0; j < fSizes[i].size(); j++) { |
| if (fSizes[i][j]) { |
| result += "[" + fSizes[i][j]->description() + "]"; |
| } else { |
| result += "[]"; |
| } |
| } |
| if (fValues[i]) { |
| result += " = " + fValues[i]->description(); |
| } |
| } |
| result += ";"; |
| return result; |
| } |
| |
| const std::vector<const Variable*> fVars; |
| const std::vector<std::vector<std::unique_ptr<Expression>>> fSizes; |
| const std::vector<std::unique_ptr<Expression>> fValues; |
| |
| typedef ProgramElement INHERITED; |
| }; |
| |
| } // namespace |
| |
| #endif |