def test2(self, debug=1):
program = """ layout vlan_tag { }"""
try:
p4 = simple_test(program, debug=debug)
except GP4.GP4_Exceptions.SyntaxError, err:
print "Syntax Error was expected"
def test3(self, debug=1):
program = """
parser we_are_done { return P4_PARSING_DONE ; }
parser nxt_is_done { return we_are_done ; }
parser prsr_switch { return switch ( L2.DA ) { 1 : nxt_state ; } }
parser prsr_switch2 { return switch ( L2.DA, L2.SA ) {
12 : nxt_is_done;
5, 9 : five_or_nine;
800 mask 22,99 : masked_state;
default : def_state;
} }
parser do_stuff { extract ( L2_hdr ) ;
extract ( vlan_id[3] );
extract ( ip_hdr[next] );
set_metadata ( hdr.f1, 666 );
return P4_PARSING_DONE ;
}
"""
p4 = simple_test(program, debug=debug)
def test1(self, debug=1):
program = """
layout vlan_tag {
fields {
pcp : 3 signed, saturating;
vid : 12;
ethertype : 16;
vid2 : 9;
}
length (2+1) ;
max_length 33;
}
layout hdr2 {fields { a : 8 ; } }
vlan_tag metadata vlan_instance;
vlan_tag vlan_instance_stack [ 5 ];
"""
p4 = simple_test(program, debug=debug)