| package utilities |
| |
| // OpCode is an opcode of compiled path patterns. |
| type OpCode int |
| |
| // These constants are the valid values of OpCode. |
| const ( |
| // OpNop does nothing |
| OpNop = OpCode(iota) |
| // OpPush pushes a component to stack |
| OpPush |
| // OpLitPush pushes a component to stack if it matches to the literal |
| OpLitPush |
| // OpPushM concatenates the remaining components and pushes it to stack |
| OpPushM |
| // OpConcatN pops N items from stack, concatenates them and pushes it back to stack |
| OpConcatN |
| // OpCapture pops an item and binds it to the variable |
| OpCapture |
| // OpEnd is the least positive invalid opcode. |
| OpEnd |
| ) |