Re: [PATCH] Yet another tree dumper

[Devang Patel <dpatel at apple dot com>]

On Oct 10, 2003, at 11:17 AM, Jason Merrill wrote:

> Why?  The example Devang gave looks just as messy as the current  
> dumper,
> and doesn't have the <> brackets to mark boundaries.

If you use 90 char wide window then it you'll  see it uses much
better indentation scheme. And it adds empty lines also
appropriately.

I only posted this patch, because people showed interest earlier...
[ see http://gcc.gnu.org/ml/gcc/2002-09/msg01249.html  thread]

Let's look at another example example functions with parameters.

<----------------------------------------------------------------------- 
------------------------------------------------------------------------ 
---------------------------------------------->
(gdb) call dmp_tree2(current_function_decl)
function_decl:0x40e296cc t=0x40e29658 {function_type} line=8(foo.c) pub  
initial=0x40ceac30
                         0x40e29740(0x40e294fc){0x40e19730}  
cntxt=0x40ce90e8 rtl=0x40e12e1c bar
 result_decl:0x40e29740 t=0x40cf1910 {void} line=8
 parm_decl:0x40e294fc t=0x40ce9488 {int} line=7 arg-type=0x40ce9488  
as-written=0x40ce9488
                      cntxt=0x40e296cc i
 parm_decl:0x40e29570 t=0x40ce932c {char} line=7 arg-type=0x40ce932c  
as-written=0x40ce932c
                      cntxt=0x40e296cc j
 parm_decl:0x40e295e4 t=0x40cf1ae0 {float} line=7 arg-type=0x40cf1ae0  
as-written=0x40cf1ae0
                      cntxt=0x40e296cc k
 expr_stmt:0x40e19730 (dummy, to be deleted) 0x40e054c0

 compound_stmt:0x40e19744 line=8 0x0

(gdb) call debug_tree(current_function_decl)
 <function_decl 0x40e296cc bar
    type <function_type 0x40e29658
        type <void_type 0x40cf1910 void VOID
            align 8 symtab 0 alias set -1
            pointer_to_this <pointer_type 0x40cf1984>>
        DI
        size <integer_cst 0x40ce78a0 constant 64>
        unit size <integer_cst 0x40ce7ac0 constant 8>
        align 64 symtab 0 alias set -1
        arg-types <tree_list 0x40e196b8 value <integer_type 0x40ce9488  
int>
            chain <tree_list 0x40e196cc value <integer_type 0x40ce932c  
char>
                chain <tree_list 0x40e196e0 value <real_type 0x40cf1ae0  
float>
                    chain <tree_list 0x40e196f4 value <void_type  
0x40cf1910 void>>>>>>
    public static asm-frame-size 0 SI file foo.c line 8 context  
<translation_unit_decl 0x40ce90e8>
    arguments <parm_decl 0x40e294fc i
        type <integer_type 0x40ce9488 int SI
            size <integer_cst 0x40ce74e0 constant 32>
            unit size <integer_cst 0x40ce7580 constant 4>
            align 32 symtab 0 alias set -1 precision 32 min  
<integer_cst 0x40ce7540 -2147483648> max <integer_cst 0x40ce7560  
2147483647>
            pointer_to_this <pointer_type 0x40e06488>>
        asm-frame-size 0 SI file foo.c line 7 size <integer_cst  
0x40ce74e0 32> unit size <integer_cst 0x40ce7580 4>
        align 32 context <function_decl 0x40e296cc bar> result  
<integer_type 0x40ce9488 int> initial <integer_type 0x40ce9488 int>  
arg-type <integer_type 0x40ce9488 int> arg-type-as-written  
<integer_type 0x40ce9488 int>
        chain <parm_decl 0x40e29570 j type <integer_type 0x40ce932c  
char>
            asm-frame-size 0 QI file foo.c line 7
            size <integer_cst 0x40ce7380 constant 8>
            unit size <integer_cst 0x40ce73a0 constant 1>
            align 8 context <function_decl 0x40e296cc bar> result  
<integer_type 0x40ce932c char> initial <integer_type 0x40ce932c char>  
arg-type <integer_type 0x40ce932c char> arg-type-as-written  
<integer_type 0x40ce932c char> chain <parm_decl 0x40e295e4 k>>>
    result <result_decl 0x40e29740 type <void_type 0x40cf1910 void>
        asm-frame-size 0 VOID file foo.c line 8
        align 8> initial <error_mark 0x40ceac30>
    (mem:SI (symbol_ref:SI ("!T__bar")) [0 S4 A8]) chain <function_decl  
0x40e2915c main>>

--
Devang