[GCC-XML] pygccxml.declarations.matcher.declaration_not_found_t: Unable to find declaration

Vishal Bayskar vishal.bayskar at nechclst.in
Tue Mar 23 02:36:06 EDT 2010


Please point me where I am doing mistake or missing something.

I created a simple example to understand the bit and bytes of py++

cpp header file afile.h
class box{
                box(int , int );
                int area(box &obj);

                int length;
                int width;

cpp source file afile.cpp

box::box(int x, int y):length(x),width(y)

int box::area(box &obj){
        return obj.length * obj.width;

using namespace std;

int main()
        box p(10, 20);
        int a;

        std::cout<<"Area is "<<a<<"\n";
        return 0;

py++ code afile.py
import os
from pyplusplus import module_builder
from pyplusplus.module_builder import call_policies


mb.free_function('area').call_policies = call_policies.default_call_policies()

mb.build_code_creator( module_name = 'testModule')


and when I run this python file afile.py

it gives the following error
/usr/lib/python2.4/site-packages/pygccxml/parser/scanner.py:337: UserWarning: unable to find out array size from expression ""
  warnings.warn( msg )
Traceback (most recent call last):
  File "afile.py", line 8, in ?
    mb.free_function('area').call_policies = call_policies.default_call_policies()
  File "/usr/lib/python2.4/site-packages/pyplusplus/module_builder/builder.py", line 669, in free_function
    , recursive=recursive )
  File "/usr/lib/python2.4/site-packages/pygccxml/declarations/namespace.py", line 96, in free_function
    , recursive=recursive )
  File "/usr/lib/python2.4/site-packages/pygccxml/declarations/scopedef.py", line 354, in _find_single
    found = matcher_module.matcher.get_single( matcher, decls, False )
  File "/usr/lib/python2.4/site-packages/pygccxml/declarations/matcher.py", line 79, in get_single
    raise matcher.declaration_not_found_t( decl_matcher )
pygccxml.declarations.matcher.declaration_not_found_t: Unable to find declaration.  matcher: [(decl type==free_function_t) and (name==area)]


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