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#pike __REAL_VERSION__
#pragma strict_types
constant inherit_list = __builtin.inherit_list;
constant inherits = __builtin.program_inherits;
constant implements = __builtin.program_implements;
// documented in the C-code.
string defined(program x,string|void y)
{
if( !y )
return __builtin.program_defined(x);
return __builtin.program_identifier_defined(x,y);
}
//! Enumerate all programs this program inherits, directly or indirectly.
//! Similar to inherit_tree() but returns a flat array.
//!
//! @example
//! > class a{}
//! > class b{}
//! > class c{ inherit a; }
//! > class d{ inherit b; inherit c; }
//! > Program.inherit_tree(d);
//! Result: ({ /* 3 elements */
//! b,
//! c,
//! a
//! })
array(program) all_inherits(program p)
{
array(program) ret = inherit_list(p);
// Iterate over a mutated array to catch all inherits to infinite depth
for(int e=0;e<sizeof(ret);e++) ret+=inherit_list(ret[e]);
return ret;
}
//! Recursively builds a inheritance tree by
//! fetching programs inheritance lists.
//!
//! @returns
//! Returns an array with programs or arrays
//! as elements.
//!
//! @example
//! > class a{}
//! > class b{}
//! > class c{ inherit a; }
//! > class d{ inherit b; inherit c; }
//! > Program.inherit_tree(d);
//! Result: ({ /* 3 elements */
//! d,
//! ({ /* 1 element */
//! program
//! }),
//! ({ /* 2 elements */
//! c,
//! ({ /* 1 element */
//! program
//! })
//! })
//! })
array inherit_tree(program p)
{
return ({ p })+
Array.map(inherit_list(p),inherit_tree);
}
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