| /* |
| * Copyright 2017 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SKSL_SWITCHCASE |
| #define SKSL_SWITCHCASE |
| |
| #include "src/sksl/ir/SkSLExpression.h" |
| #include "src/sksl/ir/SkSLStatement.h" |
| |
| namespace SkSL { |
| |
| /** |
| * A single case of a 'switch' statement. |
| */ |
| struct SwitchCase : public Statement { |
| SwitchCase(int offset, std::unique_ptr<Expression> value, |
| std::vector<std::unique_ptr<Statement>> statements) |
| : INHERITED(offset, kSwitch_Kind) |
| , fValue(std::move(value)) |
| , fStatements(std::move(statements)) {} |
| |
| int nodeCount() const override { |
| int result = 1; |
| if (fValue) { |
| result += fValue->nodeCount(); |
| } |
| for (const auto& s : fStatements) { |
| result += s->nodeCount(); |
| } |
| return result; |
| } |
| |
| std::unique_ptr<Statement> clone() const override { |
| std::vector<std::unique_ptr<Statement>> cloned; |
| for (const auto& s : fStatements) { |
| cloned.push_back(s->clone()); |
| } |
| return std::unique_ptr<Statement>(new SwitchCase(fOffset, |
| fValue ? fValue->clone() : nullptr, |
| std::move(cloned))); |
| } |
| |
| String description() const override { |
| String result; |
| if (fValue) { |
| result.appendf("case %s:\n", fValue->description().c_str()); |
| } else { |
| result += "default:\n"; |
| } |
| for (const auto& s : fStatements) { |
| result += s->description() + "\n"; |
| } |
| return result; |
| } |
| |
| // null value implies "default" case |
| std::unique_ptr<Expression> fValue; |
| std::vector<std::unique_ptr<Statement>> fStatements; |
| |
| typedef Statement INHERITED; |
| }; |
| |
| } // namespace |
| |
| #endif |