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xo-interpreter2 stack: + reason arg to visit_gco_children()

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Helps streamline DX1Collector in xo-gc/.
Want both forward and verify entry points for the same
representation.
This commit is contained in:
Roland Conybeare 2026-04-10 01:10:03 -04:00
commit 5a0314d8d6
15 changed files with 97 additions and 28 deletions
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10
idl/GCObjectVisitor.json5
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@ -6,6 +6,7 @@
includes: [
"<xo/alloc2/Generation.hpp>",
"<xo/alloc2/role.hpp>",
"<xo/alloc2/VisitReason.hpp>",
"<xo/arena/AllocInfo.hpp>",
],
// extra includes in GCObject.hpp, if any
@ -85,12 +86,13 @@
noexcept: false,
attributes: [],
},
// void visit_child(AGCObject * iface, void ** pp_data) noexcept;
// void visit_child(VisitReason reason, AGCObject * iface, void ** pp_data) noexcept;
{
name: "visit_child",
doc: ["visit child of a gc-aware object. May update child in-place!"],
return_type: "void",
args:[
{type: "VisitReason", name: "reason"},
{type: "AGCObject *", name: "iface"},
{type: "void **", name: "pp_data"},
],
@ -121,20 +123,20 @@
" (for historical reasons - coul d be in RGCObject_aux.hpp?)",
" **/",
"template <typename DRepr>",
"void visit_child(xo::facet::obj<AGCObject,DRepr> * p_obj);",
"void visit_child(VisitReason reason, xo::facet::obj<AGCObject,DRepr> * p_obj);",
"",
"/** visit typed child data pointer in place.",
" Defined in RGCObject.hpp to avoid #include cycle",
" **/",
"template <typename DRepr>",
"void visit_child(DRepr ** pp_data);",
"void visit_child(VisitReason reason, DRepr ** pp_data);",
"",
"/** visit faceted object pointer stored using some facet",
" other than AGCObject",
" **/",
"template <typename AFacet, typename DRepr>",
"requires (!std::is_same_v<AFacet, AGCObject>)",
"void visit_poly_child(obj<AFacet,DRepr> * p_pivot);",
"void visit_poly_child(VisitReason reason, obj<AFacet,DRepr> * p_pivot);",
"",
]
}