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/*
* Copyright 2021 Google LLC.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SKSL_DSL_BLOCK
#define SKSL_DSL_BLOCK
#include "include/private/SkSLDefines.h"
#include "include/sksl/DSLExpression.h"
#include "include/sksl/DSLStatement.h"
#include <memory>
namespace SkSL {
class Block;
class SymbolTable;
namespace dsl {
class DSLBlock {
public:
template<class... Statements>
DSLBlock(Statements... statements) {
fStatements.reserve_back(sizeof...(statements));
// in C++17, we could just do:
// (fStatements.push_back(DSLStatement(statements.release()).release()), ...);
int unused[] =
{0,
(static_cast<void>(fStatements.push_back(DSLStatement(statements.release()).release())),
0)...};
static_cast<void>(unused);
}
DSLBlock(DSLBlock&& other) = default;
DSLBlock(SkSL::StatementArray statements, std::shared_ptr<SymbolTable> symbols = nullptr);
DSLBlock(SkTArray<DSLStatement> statements, std::shared_ptr<SymbolTable> symbols = nullptr);
~DSLBlock();
DSLBlock& operator=(DSLBlock&& other) {
fStatements = std::move(other.fStatements);
return *this;
}
void append(DSLStatement stmt);
std::unique_ptr<SkSL::Block> release();
private:
SkSL::StatementArray fStatements;
std::shared_ptr<SkSL::SymbolTable> fSymbols;
friend class DSLStatement;
friend class DSLFunction;
};
} // namespace dsl
} // namespace SkSL
#endif
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