skia2/include/sksl/DSLCase.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

63 lines
1.4 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_CASE
#define SKSL_DSL_CASE
#include "include/private/SkSLDefines.h"
#include "include/private/SkTArray.h"
#include "include/sksl/DSLExpression.h"
#include "include/sksl/DSLStatement.h"
#include "include/sksl/SkSLPosition.h"
#include <utility>
namespace SkSL {
namespace dsl {
class DSLCase {
public:
// An empty expression means 'default:'.
template<class... Statements>
DSLCase(DSLExpression value, Statements... statements)
: fValue(std::move(value)) {
fStatements.reserve_back(sizeof...(statements));
((void)fStatements.push_back(DSLStatement(std::move(statements)).release()), ...);
}
DSLCase(DSLExpression value, SkTArray<DSLStatement> statements,
Position pos = {});
DSLCase(DSLExpression value, SkSL::StatementArray statements,
Position pos = {});
DSLCase(DSLCase&&);
~DSLCase();
DSLCase& operator=(DSLCase&&);
void append(DSLStatement stmt);
private:
DSLExpression fValue;
SkSL::StatementArray fStatements;
Position fPosition;
friend class DSLCore;
template<class... Cases>
friend DSLStatement Switch(DSLExpression value, Cases... cases);
};
} // namespace dsl
} // namespace SkSL
#endif