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Have all items respond to the "depth" property, defaulting to 0.

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This commit is contained in:
John Wiegley 2009-02-08 19:53:39 -04:00
parent f9f4bf468b
commit b89d8a1fa5
1 changed files with 6 additions and 0 deletions
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6
src/item.cc
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@ -217,6 +217,10 @@ namespace {
return long(item.end_line);
}
value_t get_depth(item_t& item) {
return 0L;
}
template <value_t (*Func)(item_t&)>
value_t get_wrapper(call_scope_t& scope) {
return (*Func)(find_scope<item_t>(scope));
@ -259,6 +263,8 @@ expr_t::ptr_op_t item_t::lookup(const string& name)
case 'd':
if (name[1] == '\0' || name == "date")
return WRAP_FUNCTOR(get_wrapper<&get_date>);
else if (name == "depth")
return WRAP_FUNCTOR(get_wrapper<&get_depth>);
break;
case 'h':