#include #include header ethernet_t { bit<48> dst_addr; bit<48> src_addr; bit<16> eth_type; } header H { bit<8> a; } struct Headers { ethernet_t eth_hdr; H[2] h; } struct Meta {} bit<3> bound(in bit<3> val, in bit<3> bound) { return (val < bound ? val : bound); } parser p(packet_in pkt, out Headers hdr, inout Meta m, inout standard_metadata_t sm) { state start { transition parse_hdrs; } state parse_hdrs { pkt.extract(hdr.eth_hdr); pkt.extract(hdr.h.next); pkt.extract(hdr.h.next); transition accept; } } control ingress(inout Headers h, inout Meta m, inout standard_metadata_t sm) { bool bool_val = true; action perform_action() { if (bool_val) { h.h[bound(3w0, 3w1)].a = 1; } } apply { perform_action(); } } control vrfy(inout Headers h, inout Meta m) { apply {} } control update(inout Headers h, inout Meta m) { apply {} } control egress(inout Headers h, inout Meta m, inout standard_metadata_t sm) { apply {} } control deparser(packet_out b, in Headers h) { apply {b.emit(h);} } V1Switch(p(), vrfy(), ingress(), egress(), update(), deparser()) main;