[sv-bc] which name space belongs task/funcition ports in NON-ANSI style

See below code  - question is what should be the types of the 'i' and 'loc'?

1. Should type TR for 'i' be resolved as external typedef  (typedef reg[1:0]
TR;) as this is port? 
2. Should type TR for 'loc' be resolved as internal typedef ( typedef
reg[7:0] TR;)as this is local variable?
 
module top;
 
typedef reg[1:0] TR;
int y;
 
function int f1;
 typedef TR;
 input i;
 TR loc; //<<<<<<<<<<local variable internal typedef
 TR i; //<<<<<<<<<<<<<port outside typedef.
 typedef reg[7:0] TR;
 $display(,,$bits(i));
 $display(,,$bits(loc));
 return 1;
 
endfunction
 
initial #1 y=f1(-1);
 
endmodule

 
DANiel
 

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