[GCC-XML]Ellipsis

[James Michael DuPont]

I have tested this using the dump translation unit option from gcc3, 
it also does not dump the parameters if they are a function pointer,
in fact the function_type has no parameters at all. This is a omission from the tree dumper, and the introspector uses it, so there would be no handling of that either :(
int g( 
    int status, 
    int callback_data 
  ); 
int f( 
    void  (*callback_addr)(int status, int callback_data), 
  ); 

Command : 
/lib/gcc-lib/i686-pc-cygwin/3.1.1/cc1 -fdump-translation-unit test.c
Produces  for F:
@1      function_decl    name: @2       type: @3       srcp: test.c:8      
                         chan: @4       undefined      extern        

@2      identifier_node  strg: f        lngt: 1       
@3      function_type    size: @5       algn: 64       retn: @6      

and for G:
@4      function_decl    name: @7       type: @8       srcp: test.c:4      
                         chan: @9       undefined      extern        
@5      integer_cst      type: @10      low : 64      
@6      integer_type     name: @11      size: @12      algn: 32      
                         prec: 32       min : @13      max : @14     
@7      identifier_node  strg: g        lngt: 1       
@8      function_type    size: @5       algn: 64       retn: @6      
                         prms: @15     
@15     tree_list        valu: @6       chan: @23     

@23     tree_list        valu: @6       chan: @31     

@31     tree_list        valu: @39  

@39     void_type        name: @47      algn: 8          

 Brad King 
wrote:Kevin,

> Why is this the body of some Method elements and not others and what
> exactly is omitted?

The elements nested inside function and method elements are the arguments
to the method. If the method is declared with an ellipsis (the ...
argument), the ellipsis element represents it.

For example:

void Function(...);

produces

returns="_3" context="_1"
location="f0:1" extern="1">



James Michael DuPont
http://introspector.sourceforge.net/


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