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Add strong reference to range objects #132

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This commit is contained in:
Jason Turner
2014-08-30 13:36:36 -06:00
parent 3fe80d70c6
commit a71903f185
6 changed files with 61 additions and 9 deletions
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16
include/chaiscript/language/chaiscript_prelude.chai
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@@ -41,8 +41,10 @@ def new(x) {
}
def clone(x) : function_exists(type_name(x)) && call_exists(eval(type_name(x)), x)
{
eval(type_name(x))(x);
{
var c := eval(type_name(x))(x);
c.copy_var_attrs(x);
return c;
}
@@ -147,10 +149,16 @@ def reverse(container) {
# Return a range from a range
def range(r) : call_exists(empty, r) && call_exists(pop_front, r) && call_exists(pop_back, r) && call_exists(back, r) && call_exists(front, r)
{
return clone(r);
{
clone(r);
}
def range(r) : call_exists(range_internal, r)
{
var ri := range_internal(r);
ri.get_var_attr("internal_obj") := r;
return ri;
}
# The retro attribute that contains the underlying range
attr retro::m_range;