| 1 | @ rule1 @ |
| 2 | @@ |
| 3 | |
| 4 | #include <linux/interrupt.h> |
| 5 | |
| 6 | // -------------------------------------------------------------- |
| 7 | // do some cleaup first. |
| 8 | // we should specify that these rules only apply to files in the directory |
| 9 | // arch/v850/kernel |
| 10 | |
| 11 | @@ |
| 12 | int E; |
| 13 | struct pt_regs *regs; |
| 14 | @@ |
| 15 | |
| 16 | ( |
| 17 | - handle_irq(E,regs) |
| 18 | + handle_irq(E) |
| 19 | | |
| 20 | - __do_IRQ(E,regs) |
| 21 | + __do_IRQ(E) |
| 22 | ) |
| 23 | |
| 24 | @@ |
| 25 | identifier irq, regs; |
| 26 | @@ |
| 27 | |
| 28 | unsigned int |
| 29 | - handle_irq (int irq, struct pt_regs *regs) |
| 30 | + handle_irq (int irq) |
| 31 | { |
| 32 | ... when != regs |
| 33 | } |
| 34 | |
| 35 | // -------------------------------------------------------------- |
| 36 | // now the real transformation |
| 37 | |
| 38 | @ rule2 depends on rule1 @ |
| 39 | expression irq; |
| 40 | identifier handler; |
| 41 | expression irqflags; |
| 42 | expression devname; |
| 43 | expression dev_id; |
| 44 | @@ |
| 45 | |
| 46 | request_irq(irq, handler, irqflags, devname, dev_id) |
| 47 | |
| 48 | @@ |
| 49 | typedef irqreturn_t; |
| 50 | identifier rule2.handler, irq, dev, regs; |
| 51 | @@ |
| 52 | |
| 53 | static irqreturn_t |
| 54 | - handler(int irq, void *dev, struct pt_regs *regs) |
| 55 | + handler(int irq, void *dev) |
| 56 | { |
| 57 | ... when != regs |
| 58 | } |
| 59 | |
| 60 | @@ |
| 61 | identifier rule2.handler; |
| 62 | expression E1, E2; |
| 63 | @@ |
| 64 | |
| 65 | handler(E1,E2 |
| 66 | - ,NULL |
| 67 | ) |
| 68 | |
| 69 | @@ |
| 70 | identifier rule2.handler; |
| 71 | expression E1, E2, E3; |
| 72 | @@ |
| 73 | |
| 74 | handler(E1,E2, |
| 75 | - E3 |
| 76 | + NEED_TO_CHECK_THIS_USE_OF(E3) |
| 77 | ) |