From 423a10bc31a20bbdd03e85754971878f5a57f89b Mon Sep 17 00:00:00 2001
From: Keith Rothman <537074+litghost@users.noreply.github.com>
Date: Tue, 23 Feb 2021 13:49:01 -0800
Subject: Change CellInfo in getBelPinsForCellPin to be const.

Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
---
 common/nextpnr.h        | 4 ++--
 fpga_interchange/arch.h | 2 +-
 generic/arch.cc         | 2 +-
 generic/arch.h          | 2 +-
 gowin/arch.cc           | 2 +-
 gowin/arch.h            | 2 +-
 6 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/common/nextpnr.h b/common/nextpnr.h
index ed227fb6..59198d6d 100644
--- a/common/nextpnr.h
+++ b/common/nextpnr.h
@@ -1146,7 +1146,7 @@ template <typename R> struct ArchAPI : BaseCtx
     virtual WireId getBelPinWire(BelId bel, IdString pin) const = 0;
     virtual PortType getBelPinType(BelId bel, IdString pin) const = 0;
     virtual typename R::BelPinsRangeT getBelPins(BelId bel) const = 0;
-    virtual typename R::CellBelPinRangeT getBelPinsForCellPin(CellInfo *cell_info, IdString pin) const = 0;
+    virtual typename R::CellBelPinRangeT getBelPinsForCellPin(const CellInfo *cell_info, IdString pin) const = 0;
     // Wire methods
     virtual typename R::AllWiresRangeT getWires() const = 0;
     virtual WireId getWireByName(IdStringList name) const = 0;
@@ -1298,7 +1298,7 @@ template <typename R> struct BaseArch : ArchAPI<R>
         return empty_if_possible<typename R::BelAttrsRangeT>();
     }
 
-    virtual typename R::CellBelPinRangeT getBelPinsForCellPin(CellInfo *cell_info, IdString pin) const override
+    virtual typename R::CellBelPinRangeT getBelPinsForCellPin(const CellInfo *cell_info, IdString pin) const override
     {
         return return_if_match<std::array<IdString, 1>, typename R::CellBelPinRangeT>({pin});
     }
diff --git a/fpga_interchange/arch.h b/fpga_interchange/arch.h
index 82a2788b..1118a96b 100644
--- a/fpga_interchange/arch.h
+++ b/fpga_interchange/arch.h
@@ -1033,7 +1033,7 @@ struct Arch : ArchAPI<ArchRanges>
         return str_range;
     }
 
-    const std::vector<IdString> &getBelPinsForCellPin(CellInfo *cell_info, IdString pin) const override
+    const std::vector<IdString> &getBelPinsForCellPin(const CellInfo *cell_info, IdString pin) const override
     {
         return cell_info->cell_bel_pins.at(pin);
     }
diff --git a/generic/arch.cc b/generic/arch.cc
index 03d8c801..1f9531c7 100644
--- a/generic/arch.cc
+++ b/generic/arch.cc
@@ -347,7 +347,7 @@ std::vector<IdString> Arch::getBelPins(BelId bel) const
     return ret;
 }
 
-const std::vector<IdString> &Arch::getBelPinsForCellPin(CellInfo *cell_info, IdString pin) const
+const std::vector<IdString> &Arch::getBelPinsForCellPin(const CellInfo *cell_info, IdString pin) const
 {
     return cell_info->bel_pins.at(pin);
 }
diff --git a/generic/arch.h b/generic/arch.h
index 8a5b27e0..cc8de484 100644
--- a/generic/arch.h
+++ b/generic/arch.h
@@ -247,7 +247,7 @@ struct Arch : ArchAPI<ArchRanges>
     WireId getBelPinWire(BelId bel, IdString pin) const override;
     PortType getBelPinType(BelId bel, IdString pin) const override;
     std::vector<IdString> getBelPins(BelId bel) const override;
-    const std::vector<IdString> &getBelPinsForCellPin(CellInfo *cell_info, IdString pin) const override;
+    const std::vector<IdString> &getBelPinsForCellPin(const CellInfo *cell_info, IdString pin) const override;
 
     WireId getWireByName(IdStringList name) const override;
     IdStringList getWireName(WireId wire) const override;
diff --git a/gowin/arch.cc b/gowin/arch.cc
index d1fbd0ed..7e947341 100644
--- a/gowin/arch.cc
+++ b/gowin/arch.cc
@@ -824,7 +824,7 @@ std::vector<IdString> Arch::getBelPins(BelId bel) const
     return ret;
 }
 
-std::array<IdString, 1> Arch::getBelPinsForCellPin(CellInfo *cell_info, IdString pin) const { return {pin}; }
+std::array<IdString, 1> Arch::getBelPinsForCellPin(const CellInfo *cell_info, IdString pin) const { return {pin}; }
 
 // ---------------------------------------------------------------
 
diff --git a/gowin/arch.h b/gowin/arch.h
index 0b0d7b9c..052c1545 100644
--- a/gowin/arch.h
+++ b/gowin/arch.h
@@ -372,7 +372,7 @@ struct Arch : BaseArch<ArchRanges>
     WireId getBelPinWire(BelId bel, IdString pin) const override;
     PortType getBelPinType(BelId bel, IdString pin) const override;
     std::vector<IdString> getBelPins(BelId bel) const override;
-    std::array<IdString, 1> getBelPinsForCellPin(CellInfo *cell_info, IdString pin) const override;
+    std::array<IdString, 1> getBelPinsForCellPin(const CellInfo *cell_info, IdString pin) const override;
 
     WireId getWireByName(IdStringList name) const override;
     IdStringList getWireName(WireId wire) const override;
-- 
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