blob: f33f3204a66a21015f792753dae2148a37fdb333 [file] [log] [blame]
* Copyright 2016 Google Inc.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
#include "src/sksl/SkSLContext.h"
#include "src/sksl/ir/SkSLExpression.h"
namespace SkSL {
* Represents a compile-time constant setting, such as sk_Caps.fbFetchSupport. These IRNodes should
* only exist in a dehydrated module. These nodes are replaced with the value of the setting during
* rehydration or compilation (i.e., whenever fReplaceSettings is true).
class Setting final : public Expression {
inline static constexpr Kind kExpressionKind = Kind::kSetting;
Setting(Position pos, std::string_view name, const Type* type)
: INHERITED(pos, kExpressionKind, type)
, fName(std::move(name)) {}
// Creates an SkSL setting expression if `fReplaceSettings` is false, or the current value of
// the setting when it is true. Reports errors via the ErrorReporter.
// (There's no failsafe Make equivalent, because there really isn't a good fallback expression
// to produce when the `name` lookup fails. We wouldn't even know the expected type.)
static std::unique_ptr<Expression> Convert(const Context& context, Position pos,
const std::string_view& name);
std::unique_ptr<Expression> clone(Position pos) const override {
return std::make_unique<Setting>(pos, this->name(), &this->type());
const std::string_view& name() const {
return fName;
std::string description() const override {
return std::string(this->name());
bool hasProperty(Property property) const override {
return false;
std::string_view fName;
using INHERITED = Expression;
} // namespace SkSL