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rtlil: allow friends to use Wire constructors with a factory token pattern

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This commit is contained in:
Emil J. Tywoniak 2025-12-23 16:58:16 +01:00
parent 3e6b740430
commit 6f0be1b4e9
2 changed files with 11 additions and 15 deletions
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16
kernel/rtlil.h
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@ -2454,18 +2454,20 @@ void dump_wire(std::ostream &f, std::string indent, const RTLIL::Wire *wire);
struct RTLIL::Wire : public RTLIL::NamedObject
{
private:
struct ConstructToken { explicit ConstructToken() = default; };
friend struct RTLIL::Design;
friend struct RTLIL::Cell;
friend struct RTLIL::Module;
friend struct RTLIL::Patch;
public:
Hasher::hash_t hashidx_;
[[nodiscard]] Hasher hash_into(Hasher h) const { h.eat(hashidx_); return h; }
protected:
// use module->addWire() and module->remove() to create or destroy wires
friend struct RTLIL::Module;
friend struct RTLIL::SigNormIndex;
Wire();
~Wire();
friend struct RTLIL::Design;
friend struct RTLIL::Cell;
friend void RTLIL_BACKEND::dump_wire(std::ostream &f, std::string indent, const RTLIL::Wire *wire);
RTLIL::Cell *driverCell_ = nullptr;
RTLIL::IdString driverPort_;
@ -2527,13 +2529,13 @@ struct RTLIL::Cell : public RTLIL::NamedObject
{
private:
struct ConstructToken { explicit ConstructToken() = default; };
friend struct RTLIL::Module;
friend struct RTLIL::Patch;
public:
Hasher::hash_t hashidx_;
[[nodiscard]] Hasher hash_into(Hasher h) const { h.eat(hashidx_); return h; }
// use module->addCell() and module->remove() to create or destroy cells
friend struct RTLIL::Module;
friend struct RTLIL::Patch;
Cell(ConstructToken);
~Cell();