skia2/include/sksl/DSLStatement.h
John Stiles 981b140e2f Eliminate DSLPossibleStatement.
Unlike DSLPossibleExpression, this was only used in a few rare places,
so it was much easier to remove.

Change-Id: I483dc061691f89d3e808d5bbc23c500bc57b680a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/542662
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
Commit-Queue: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
2022-05-31 15:35:12 +00:00

85 lines
1.7 KiB
C++

/*
* 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_STATEMENT
#define SKSL_DSL_STATEMENT
#include "include/core/SkTypes.h"
#include "include/private/SkSLStatement.h"
#include "include/sksl/SkSLPosition.h"
#include <memory>
#include <utility>
namespace SkSL {
class Expression;
namespace dsl {
class DSLBlock;
class DSLExpression;
class DSLStatement {
public:
DSLStatement();
DSLStatement(DSLExpression expr);
DSLStatement(DSLBlock block);
DSLStatement(DSLStatement&&) = default;
DSLStatement(std::unique_ptr<SkSL::Expression> expr);
DSLStatement(std::unique_ptr<SkSL::Statement> stmt, Position pos);
DSLStatement(std::unique_ptr<SkSL::Statement> stmt);
~DSLStatement();
DSLStatement& operator=(DSLStatement&& other) = default;
Position position() {
SkASSERT(this->hasValue());
return fStatement->fPosition;
}
void setPosition(Position pos) {
SkASSERT(this->hasValue());
fStatement->fPosition = pos;
}
bool hasValue() { return fStatement != nullptr; }
std::unique_ptr<SkSL::Statement> release() {
SkASSERT(this->hasValue());
return std::move(fStatement);
}
private:
std::unique_ptr<SkSL::Statement> releaseIfPossible() {
return std::move(fStatement);
}
std::unique_ptr<SkSL::Statement> fStatement;
friend class DSLBlock;
friend class DSLCore;
friend class DSLExpression;
friend class DSLWriter;
friend DSLStatement operator,(DSLStatement left, DSLStatement right);
};
DSLStatement operator,(DSLStatement left, DSLStatement right);
} // namespace dsl
} // namespace SkSL
#endif