General: Make use of std::nullopt where applicable
Allows some implementations to avoid completely zeroing out the internal buffer of the optional, and instead only set the validity byte within the structure. This also makes it consistent how we return empty optionals.
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c07fd2898b
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17 changed files with 60 additions and 59 deletions
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@ -199,55 +199,48 @@ public:
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}
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std::optional<u32> GetGotoLabel() const {
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auto inner = std::get_if<ASTGoto>(&data);
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if (inner) {
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if (const auto* inner = std::get_if<ASTGoto>(&data)) {
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return {inner->label};
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}
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return {};
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return std::nullopt;
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}
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Expr GetGotoCondition() const {
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auto inner = std::get_if<ASTGoto>(&data);
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if (inner) {
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if (const auto* inner = std::get_if<ASTGoto>(&data)) {
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return inner->condition;
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}
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return nullptr;
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}
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void MarkLabelUnused() {
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auto inner = std::get_if<ASTLabel>(&data);
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if (inner) {
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if (auto* inner = std::get_if<ASTLabel>(&data)) {
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inner->unused = true;
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}
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}
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bool IsLabelUnused() const {
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auto inner = std::get_if<ASTLabel>(&data);
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if (inner) {
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if (const auto* inner = std::get_if<ASTLabel>(&data)) {
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return inner->unused;
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}
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return true;
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}
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std::optional<u32> GetLabelIndex() const {
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auto inner = std::get_if<ASTLabel>(&data);
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if (inner) {
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if (const auto* inner = std::get_if<ASTLabel>(&data)) {
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return {inner->index};
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}
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return {};
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return std::nullopt;
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}
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Expr GetIfCondition() const {
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auto inner = std::get_if<ASTIfThen>(&data);
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if (inner) {
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if (const auto* inner = std::get_if<ASTIfThen>(&data)) {
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return inner->condition;
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}
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return nullptr;
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}
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void SetGotoCondition(Expr new_condition) {
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auto inner = std::get_if<ASTGoto>(&data);
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if (inner) {
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if (auto* inner = std::get_if<ASTGoto>(&data)) {
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inner->condition = std::move(new_condition);
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}
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}
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