CANHdr (filter descriptor)

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CANHdr (filter descriptor)

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The CANHdr structure is the header for all filter node classes. It contains the following fields:

nodeClass                Type: NODEClass

The following node classes are valid:

Node Class

Description

nodeUNARY

Node is a unary operator.

nodeBINARY

Node is a binary operator.

nodeCOMPARE

Node is a compare operator.

nodeFIELD

Node is a field.

nodeCONST

Node is a constant.

nodeTUPLE

Node is a record. Not currently used.

nodeCONTINUE

Node is a continue node.