r269633 - in /trunk/gcc/go/gofrontend: MERGE as...

[ian at gcc dot gnu dot org]

Author: ian
Date: Wed Mar 13 04:43:33 2019
New Revision: 269633

URL: https://gcc.gnu.org/viewcvs?rev=269633&root=gcc&view=rev
Log:
    compiler: add new debugging helper function debug_go_type()
    
    Add a new debugging utility routine debug_go_type(), intended to
    display the contents of a Type object in a way useful to debugging
    a run of the compiler.  Prior to this the only useful alternative
    for debugging types was invoking the mangled_name() method, which
    has problems (for example, won't work on interface types prior
    to finalizing of methods).
    
    This is a "deep" dump, meaning that all types reachable from the
    type passed to debug_go_type() will be printed out. Example:
    
    (gdb) print debug_go_type(t1)
          T0        0x535f300  'net/http.Header' -> T1
          T1        0x535d3d0  map ['string' -> string] T4
          T2        0x5304bb0  'string' -> string
          T3        0x331f900  string
          T4        0x535d370  array [] 'string' -> string
    
    Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/166637

Modified:
    trunk/gcc/go/gofrontend/MERGE
    trunk/gcc/go/gofrontend/ast-dump.cc
    trunk/gcc/go/gofrontend/types.cc
    trunk/gcc/go/gofrontend/types.h