The AST tree modification.

[niXman <i dot nixman at gmail dot com>]

Hi everybody!
It is necessary to implement a plug-in for GCC designed to collect the
information on types of translation unit, and generate static const
array of types rtti_ex _ on its base;
Â//////////////////////////////////////
enumÂclassÂtype_Â{
ÂÂÂchar_,Âuchar_,Âshort_,Âushort_,Âint_,Âuint_,Âlong_,Âulong_,
ÂÂÂint64_,Âuint64_,Âarray_,Âpointer_,Âdouble_,Âlong_double_,Âfloat_,
ÂÂÂclass_
};

structÂrtti_ex_Â{ // <<<<<<<<<<<<<<<<<<<<<<<<<
ÂÂÂconstÂchar*Âname;
ÂÂÂconstÂtype_Âtype;
ÂÂÂconstÂsize_tÂsize;
ÂÂÂconstÂsize_tÂalign;
ÂÂÂconstÂsize_tÂoffset;
};

// generated from plugin.
static const rtti_ex_ rtti_ex_array_[] = {
 Â{...},
 Â{...},
 Â{...}
};
/////////////////////////////////////

There aren't any problems with information collection from AST. There
is a complexity with AST modification:
1. How to declare a variable?
2. How to declare the typedef?
3. How to declare a structure?
4. How to declare an array of structures?
I suppose that there should be a function like: tree make_subtree
(const char* source); which result I could insert in the corresponding
node. But I haven't found it.

Please, give me some links on this subject. It is very desirable, if
you could give some links with examples.

Thanks.