blob: bc42942cbd428f4b668fb2a22e85f69d02fad072 [file] [log] [blame]
* Copyright 2021 Google LLC
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
#include "src/sksl/ir/SkSLExpressionStatement.h"
#include "include/core/SkTypes.h"
#include "src/sksl/SkSLContext.h"
#include "src/sksl/SkSLProgramSettings.h"
#include "src/sksl/ir/SkSLNop.h"
namespace SkSL {
std::unique_ptr<Statement> ExpressionStatement::Convert(const Context& context,
std::unique_ptr<Expression> expr) {
// Expression-statements need to represent a complete expression.
// Report an error on intermediate expressions, like FunctionReference or TypeReference.
if (expr->isIncomplete(context)) {
return nullptr;
return ExpressionStatement::Make(context, std::move(expr));
std::unique_ptr<Statement> ExpressionStatement::Make(const Context& context,
std::unique_ptr<Expression> expr) {
if (context.fConfig->fSettings.fOptimize) {
// Expression-statements without any side effect can be replaced with a Nop.
if (!expr->hasSideEffects()) {
return Nop::Make();
return std::make_unique<ExpressionStatement>(std::move(expr));
} // namespace SkSL