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/*
* 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_SWITCHSTATEMENT
#define SKSL_SWITCHSTATEMENT
#include "SkSLStatement.h"
#include "SkSLSwitchCase.h"
namespace SkSL {
/**
* A 'switch' statement.
*/
struct SwitchStatement : public Statement {
SwitchStatement(int offset, bool isStatic, std::unique_ptr<Expression> value,
std::vector<std::unique_ptr<SwitchCase>> cases,
const std::shared_ptr<SymbolTable> symbols)
: INHERITED(offset, kSwitch_Kind)
, fIsStatic(isStatic)
, fValue(std::move(value))
, fSymbols(std::move(symbols))
, fCases(std::move(cases)) {}
std::unique_ptr<Statement> clone() const override {
std::vector<std::unique_ptr<SwitchCase>> cloned;
for (const auto& s : fCases) {
cloned.push_back(std::unique_ptr<SwitchCase>((SwitchCase*) s->clone().release()));
}
return std::unique_ptr<Statement>(new SwitchStatement(fOffset, fIsStatic, fValue->clone(),
std::move(cloned), fSymbols));
}
String description() const override {
String result;
if (fIsStatic) {
result += "@";
}
result += String::printf("switch (%s) {\n", fValue->description().c_str());
for (const auto& c : fCases) {
result += c->description();
}
result += "}";
return result;
}
bool fIsStatic;
std::unique_ptr<Expression> fValue;
// it's important to keep fCases defined after (and thus destroyed before) fSymbols, because
// destroying statements can modify reference counts in symbols
const std::shared_ptr<SymbolTable> fSymbols;
std::vector<std::unique_ptr<SwitchCase>> fCases;
typedef Statement INHERITED;
};
} // namespace
#endif
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