diff options
Diffstat (limited to 'src/qregisters.h')
| -rw-r--r-- | src/qregisters.h | 35 |
1 files changed, 14 insertions, 21 deletions
diff --git a/src/qregisters.h b/src/qregisters.h index fc7a624..d40a19b 100644 --- a/src/qregisters.h +++ b/src/qregisters.h @@ -285,25 +285,23 @@ public: }; class QRegisterTable : private RBTreeString, public Object { - class UndoTokenRemove : public UndoToken { - /* - * NOTE: Storing the table here is only necessary since - * we may have to remove from a global or local Q-Reg - * table. This could be avoided using a separate - * subclass for local registers. - */ - QRegisterTable *table; + class UndoTokenRemoveGlobal : public UndoToken { + protected: QRegister *reg; public: - UndoTokenRemove(QRegisterTable *_table, QRegister *_reg) - : table(_table), reg(_reg) {} + UndoTokenRemoveGlobal(QRegister *_reg) + : reg(_reg) {} - void - run(void) - { - delete (QRegister *)table->remove(reg); - } + void run(void); + }; + + class UndoTokenRemoveLocal : public UndoTokenRemoveGlobal { + public: + UndoTokenRemoveLocal(QRegister *reg) + : UndoTokenRemoveGlobal(reg) {} + + void run(void); }; bool must_undo; @@ -320,12 +318,7 @@ public: delete (QRegister *)remove(cur); } - inline void - undo_remove(QRegister *reg) - { - if (must_undo) - undo.push<UndoTokenRemove>(this, reg); - } + void undo_remove(QRegister *reg); inline QRegister * insert(QRegister *reg) |