| /* { dg-do compile } */ |
| /* { dg-options "-O3 -ftree-pre" } */ |
| |
| typedef enum |
| { |
| ST_TiemanStyle, |
| } |
| BrailleDisplay; |
| static int pendingCommand; |
| static int currentModifiers; |
| typedef struct |
| { |
| int (*updateKeys) (BrailleDisplay * brl, int *keyPressed); |
| } |
| ProtocolOperations; |
| static const ProtocolOperations *protocol; |
| int |
| brl_readCommand (BrailleDisplay * brl) |
| { |
| unsigned long int keys; |
| int command; |
| int keyPressed; |
| unsigned char routingKeys[200]; |
| int routingKeyCount; |
| signed char rightVerticalSensor; |
| if (pendingCommand != (-1)) |
| { |
| return command; |
| } |
| if (!protocol->updateKeys (brl, &keyPressed)) |
| { |
| if (rightVerticalSensor >= 0) |
| keys |= 1; |
| if ((routingKeyCount == 0) && keys) |
| { |
| if (currentModifiers) |
| { |
| doChord:switch (keys); |
| } |
| else |
| { |
| doCharacter: |
| command = 0X2200; |
| if (keys & 0X01UL) |
| command |= 0001; |
| if (keys & 0X02UL) |
| command |= 0002; |
| if (keys & 0X04UL) |
| command |= 0004; |
| if (keys & 0X08UL) |
| command |= 0010; |
| if (keys & 0X10UL) |
| command |= 0020; |
| if (keys & 0X20UL) |
| command |= 0040; |
| if (currentModifiers & (0X0010 | 0X0200)) |
| command |= 0100; |
| if (currentModifiers & 0X0040) |
| command |= 0200; |
| if (currentModifiers & 0X0100) |
| command |= 0X020000; |
| if (currentModifiers & 0X0400) |
| command |= 0X080000; |
| if (currentModifiers & 0X0800) |
| command |= 0X040000; |
| } |
| unsigned char key1 = routingKeys[0]; |
| if (key1 == 0) |
| { |
| } |
| if (key1 == 1) |
| if (keys) |
| { |
| currentModifiers |= 0X0010; |
| goto doCharacter; |
| } |
| } |
| } |
| return command; |
| } |
