diff options
Diffstat (limited to 'src/vhdl/iirs.adb')
| -rw-r--r-- | src/vhdl/iirs.adb | 702 |
1 files changed, 701 insertions, 1 deletions
diff --git a/src/vhdl/iirs.adb b/src/vhdl/iirs.adb index b41fd1e4d..4d800e1dd 100644 --- a/src/vhdl/iirs.adb +++ b/src/vhdl/iirs.adb @@ -15,13 +15,713 @@ -- along with GHDL; see the file COPYING. If not, write to the Free -- Software Foundation, 59 Temple Place - Suite 330, Boston, MA -- 02111-1307, USA. + with Ada.Unchecked_Conversion; +with Tables; with Logging; use Logging; -with Nodes; use Nodes; with Lists; use Lists; with Nodes_Meta; use Nodes_Meta; +with Vhdl.Nodes_Priv; use Vhdl.Nodes_Priv; package body Iirs is + -- A simple type that needs only 2 bits. + type Bit2_Type is range 0 .. 2 ** 2 - 1; + + type Kind_Type is range 0 .. 2 ** 9 - 1; + + -- Format of a node. + type Format_Type is + ( + Format_Short, + Format_Medium + ); + + -- Common fields are: + -- Flag1 : Boolean + -- Flag2 : Boolean + -- Flag3 : Boolean + -- Flag4 : Boolean + -- Flag5 : Boolean + -- Flag6 : Boolean + -- Flag7 : Boolean + -- Flag8 : Boolean + -- Flag9 : Boolean + -- Flag10 : Boolean + -- Flag11 : Boolean + -- Flag12 : Boolean + -- Flag13 : Boolean + -- Flag14 : Boolean + -- Flag15 : Boolean + -- Nkind : Kind_Type + -- State1 : Bit2_Type + -- State2 : Bit2_Type + -- Location : Location_Type + -- Field0 : Iir + -- Field1 : Iir + -- Field2 : Iir + -- Field3 : Iir + -- Field4 : Iir + -- Field5 : Iir + + -- Fields of Format_Short: + + -- Fields of Format_Medium: + -- State3 : Bit2_Type + -- State4 : Bit2_Type + -- Field6 : Iir (location) + -- Field7 : Iir (field0) + -- Field8 : Iir (field1) + -- Field9 : Iir (field2) + -- Field10 : Iir (field3) + -- Field11 : Iir (field4) + -- Field12 : Iir (field5) + + function Create_Node (Format : Format_Type) return Node_Type; + procedure Free_Node (N : Node_Type); + + function Get_Nkind (N : Node_Type) return Kind_Type; + pragma Inline (Get_Nkind); + procedure Set_Nkind (N : Node_Type; Kind : Kind_Type); + pragma Inline (Set_Nkind); + + function Get_Field0 (N : Node_Type) return Node_Type; + pragma Inline (Get_Field0); + procedure Set_Field0 (N : Node_Type; V : Node_Type); + pragma Inline (Set_Field0); + + function Get_Field1 (N : Node_Type) return Node_Type; + pragma Inline (Get_Field1); + procedure Set_Field1 (N : Node_Type; V : Node_Type); + pragma Inline (Set_Field1); + + function Get_Field2 (N : Node_Type) return Node_Type; + pragma Inline (Get_Field2); + procedure Set_Field2 (N : Node_Type; V : Node_Type); + pragma Inline (Set_Field2); + + function Get_Field3 (N : Node_Type) return Node_Type; + pragma Inline (Get_Field3); + procedure Set_Field3 (N : Node_Type; V : Node_Type); + pragma Inline (Set_Field3); + + function Get_Field4 (N : Node_Type) return Node_Type; + pragma Inline (Get_Field4); + procedure Set_Field4 (N : Node_Type; V : Node_Type); + pragma Inline (Set_Field4); + + + function Get_Field5 (N : Node_Type) return Node_Type; + pragma Inline (Get_Field5); + procedure Set_Field5 (N : Node_Type; V : Node_Type); + pragma Inline (Set_Field5); + + function Get_Field6 (N: Node_Type) return Node_Type; + pragma Inline (Get_Field6); + procedure Set_Field6 (N: Node_Type; Val: Node_Type); + pragma Inline (Set_Field6); + + function Get_Field7 (N: Node_Type) return Node_Type; + pragma Inline (Get_Field7); + procedure Set_Field7 (N: Node_Type; Val: Node_Type); + pragma Inline (Set_Field7); + + function Get_Field8 (N: Node_Type) return Node_Type; + pragma Inline (Get_Field8); + procedure Set_Field8 (N: Node_Type; Val: Node_Type); + pragma Inline (Set_Field8); + + function Get_Field9 (N: Node_Type) return Node_Type; + pragma Inline (Get_Field9); + procedure Set_Field9 (N: Node_Type; Val: Node_Type); + pragma Inline (Set_Field9); + + function Get_Field10 (N: Node_Type) return Node_Type; + pragma Inline (Get_Field10); + procedure Set_Field10 (N: Node_Type; Val: Node_Type); + pragma Inline (Set_Field10); + + function Get_Field11 (N: Node_Type) return Node_Type; + pragma Inline (Get_Field11); + procedure Set_Field11 (N: Node_Type; Val: Node_Type); + pragma Inline (Set_Field11); + + function Get_Field12 (N: Node_Type) return Node_Type; + pragma Inline (Get_Field12); + procedure Set_Field12 (N: Node_Type; Val: Node_Type); + pragma Inline (Set_Field12); + + + function Get_Flag1 (N : Node_Type) return Boolean; + pragma Inline (Get_Flag1); + procedure Set_Flag1 (N : Node_Type; V : Boolean); + pragma Inline (Set_Flag1); + + function Get_Flag2 (N : Node_Type) return Boolean; + pragma Inline (Get_Flag2); + procedure Set_Flag2 (N : Node_Type; V : Boolean); + pragma Inline (Set_Flag2); + + function Get_Flag3 (N : Node_Type) return Boolean; + pragma Inline (Get_Flag3); + procedure Set_Flag3 (N : Node_Type; V : Boolean); + pragma Inline (Set_Flag3); + + function Get_Flag4 (N : Node_Type) return Boolean; + pragma Inline (Get_Flag4); + procedure Set_Flag4 (N : Node_Type; V : Boolean); + pragma Inline (Set_Flag4); + + function Get_Flag5 (N : Node_Type) return Boolean; + pragma Inline (Get_Flag5); + procedure Set_Flag5 (N : Node_Type; V : Boolean); + pragma Inline (Set_Flag5); + + function Get_Flag6 (N : Node_Type) return Boolean; + pragma Inline (Get_Flag6); + procedure Set_Flag6 (N : Node_Type; V : Boolean); + pragma Inline (Set_Flag6); + + function Get_Flag7 (N : Node_Type) return Boolean; + pragma Inline (Get_Flag7); + procedure Set_Flag7 (N : Node_Type; V : Boolean); + pragma Inline (Set_Flag7); + + function Get_Flag8 (N : Node_Type) return Boolean; + pragma Inline (Get_Flag8); + procedure Set_Flag8 (N : Node_Type; V : Boolean); + pragma Inline (Set_Flag8); + + function Get_Flag9 (N : Node_Type) return Boolean; + pragma Inline (Get_Flag9); + procedure Set_Flag9 (N : Node_Type; V : Boolean); + pragma Inline (Set_Flag9); + + function Get_Flag10 (N : Node_Type) return Boolean; + pragma Inline (Get_Flag10); + procedure Set_Flag10 (N : Node_Type; V : Boolean); + pragma Inline (Set_Flag10); + + function Get_Flag11 (N : Node_Type) return Boolean; + pragma Inline (Get_Flag11); + procedure Set_Flag11 (N : Node_Type; V : Boolean); + pragma Inline (Set_Flag11); + + function Get_Flag12 (N : Node_Type) return Boolean; + pragma Inline (Get_Flag12); + procedure Set_Flag12 (N : Node_Type; V : Boolean); + pragma Inline (Set_Flag12); + + function Get_Flag13 (N : Node_Type) return Boolean; + pragma Inline (Get_Flag13); + procedure Set_Flag13 (N : Node_Type; V : Boolean); + pragma Inline (Set_Flag13); + + function Get_Flag14 (N : Node_Type) return Boolean; + pragma Inline (Get_Flag14); + procedure Set_Flag14 (N : Node_Type; V : Boolean); + pragma Inline (Set_Flag14); + + function Get_Flag15 (N : Node_Type) return Boolean; + pragma Inline (Get_Flag15); + procedure Set_Flag15 (N : Node_Type; V : Boolean); + pragma Inline (Set_Flag15); + + + function Get_State1 (N : Node_Type) return Bit2_Type; + pragma Inline (Get_State1); + procedure Set_State1 (N : Node_Type; V : Bit2_Type); + pragma Inline (Set_State1); + + function Get_State2 (N : Node_Type) return Bit2_Type; + pragma Inline (Get_State2); + procedure Set_State2 (N : Node_Type; V : Bit2_Type); + pragma Inline (Set_State2); + + function Get_State3 (N : Node_Type) return Bit2_Type; + pragma Inline (Get_State3); + procedure Set_State3 (N : Node_Type; V : Bit2_Type); + pragma Inline (Set_State3); + + type Node_Record is record + -- First byte: + Format : Format_Type; + Flag1 : Boolean; + Flag2 : Boolean; + Flag3 : Boolean; + Flag4 : Boolean; + Flag5 : Boolean; + Flag6 : Boolean; + Flag7 : Boolean; + + -- Second byte: + Flag8 : Boolean; + Flag9 : Boolean; + Flag10 : Boolean; + Flag11 : Boolean; + Flag12 : Boolean; + Flag13 : Boolean; + Flag14 : Boolean; + Flag15 : Boolean; + + -- Third byte: + Flag16 : Boolean; + Flag17 : Boolean; + Flag18 : Boolean; + + -- 2*2 = 4 bits + State1 : Bit2_Type; + State2 : Bit2_Type; + + -- 9 bits + Kind : Kind_Type; + + -- Location. + Location: Location_Type; + + Field0 : Node_Type; + Field1 : Node_Type; + Field2 : Node_Type; + Field3 : Node_Type; + Field4 : Node_Type; + Field5 : Node_Type; + end record; + pragma Pack (Node_Record); + for Node_Record'Size use 8*32; + for Node_Record'Alignment use 4; + pragma Suppress_Initialization (Node_Record); + + Init_Node : constant Node_Record := Node_Record' + (Format => Format_Short, + Kind => 0, + State1 | State2 => 0, + Location => Location_Nil, + Field0 | Field1 | Field2 | Field3 | Field4 | Field5 => Null_Node, + others => False); + + -- Suppress the access check of the table base. This is really safe to + -- suppress this check because the table base cannot be null. + pragma Suppress (Access_Check); + + -- Suppress the index check on the table. + -- Could be done during non-debug, since this may catch errors (reading + -- Null_Node or Error_Node). + --pragma Suppress (Index_Check); + + package Nodet is new Tables + (Table_Component_Type => Node_Record, + Table_Index_Type => Node_Type, + Table_Low_Bound => 2, + Table_Initial => 1024); + + function Get_Last_Node return Iir is + begin + return Nodet.Last; + end Get_Last_Node; + + Free_Chain : Node_Type := Null_Node; + + function Create_Node (Format : Format_Type) return Node_Type + is + Res : Node_Type; + begin + case Format is + when Format_Medium => + -- Allocate a first node. + Nodet.Increment_Last; + Res := Nodet.Last; + -- Check alignment. + if Res mod 2 = 1 then + Set_Field1 (Res, Free_Chain); + Free_Chain := Res; + Nodet.Increment_Last; + Res := Nodet.Last; + end if; + -- Allocate the second node. + Nodet.Increment_Last; + Nodet.Table (Res) := Init_Node; + Nodet.Table (Res).Format := Format_Medium; + Nodet.Table (Res + 1) := Init_Node; + when Format_Short => + -- Check from free pool + if Free_Chain = Null_Node then + Nodet.Increment_Last; + Res := Nodet.Last; + else + Res := Free_Chain; + Free_Chain := Get_Field1 (Res); + end if; + Nodet.Table (Res) := Init_Node; + end case; + return Res; + end Create_Node; + + procedure Free_Node (N : Node_Type) + is + begin + if N /= Null_Node then + Set_Nkind (N, 0); + Set_Field1 (N, Free_Chain); + Free_Chain := N; + if Nodet.Table (N).Format = Format_Medium then + Set_Field1 (N + 1, Free_Chain); + Free_Chain := N + 1; + end if; + end if; + end Free_Node; + + procedure Free_Iir (Target : Iir) renames Free_Node; + + function Next_Node (N : Node_Type) return Node_Type is + begin + case Nodet.Table (N).Format is + when Format_Medium => + return N + 2; + when Format_Short => + return N + 1; + end case; + end Next_Node; + + function Get_Nkind (N : Node_Type) return Kind_Type is + begin + return Nodet.Table (N).Kind; + end Get_Nkind; + + procedure Set_Nkind (N : Node_Type; Kind : Kind_Type) is + begin + Nodet.Table (N).Kind := Kind; + end Set_Nkind; + + + procedure Set_Location (N : Iir; Location: Location_Type) is + begin + Nodet.Table (N).Location := Location; + end Set_Location; + + function Get_Location (N: Iir) return Location_Type is + begin + return Nodet.Table (N).Location; + end Get_Location; + + + procedure Set_Field0 (N : Node_Type; V : Node_Type) is + begin + Nodet.Table (N).Field0 := V; + end Set_Field0; + + function Get_Field0 (N : Node_Type) return Node_Type is + begin + return Nodet.Table (N).Field0; + end Get_Field0; + + + function Get_Field1 (N : Node_Type) return Node_Type is + begin + return Nodet.Table (N).Field1; + end Get_Field1; + + procedure Set_Field1 (N : Node_Type; V : Node_Type) is + begin + Nodet.Table (N).Field1 := V; + end Set_Field1; + + function Get_Field2 (N : Node_Type) return Node_Type is + begin + return Nodet.Table (N).Field2; + end Get_Field2; + + procedure Set_Field2 (N : Node_Type; V : Node_Type) is + begin + Nodet.Table (N).Field2 := V; + end Set_Field2; + + function Get_Field3 (N : Node_Type) return Node_Type is + begin + return Nodet.Table (N).Field3; + end Get_Field3; + + procedure Set_Field3 (N : Node_Type; V : Node_Type) is + begin + Nodet.Table (N).Field3 := V; + end Set_Field3; + + function Get_Field4 (N : Node_Type) return Node_Type is + begin + return Nodet.Table (N).Field4; + end Get_Field4; + + procedure Set_Field4 (N : Node_Type; V : Node_Type) is + begin + Nodet.Table (N).Field4 := V; + end Set_Field4; + + function Get_Field5 (N : Node_Type) return Node_Type is + begin + return Nodet.Table (N).Field5; + end Get_Field5; + + procedure Set_Field5 (N : Node_Type; V : Node_Type) is + begin + Nodet.Table (N).Field5 := V; + end Set_Field5; + + function Get_Field6 (N: Node_Type) return Node_Type is + begin + return Node_Type (Nodet.Table (N + 1).Location); + end Get_Field6; + + procedure Set_Field6 (N: Node_Type; Val: Node_Type) is + begin + Nodet.Table (N + 1).Location := Location_Type (Val); + end Set_Field6; + + function Get_Field7 (N: Node_Type) return Node_Type is + begin + return Nodet.Table (N + 1).Field0; + end Get_Field7; + + procedure Set_Field7 (N: Node_Type; Val: Node_Type) is + begin + Nodet.Table (N + 1).Field0 := Val; + end Set_Field7; + + function Get_Field8 (N: Node_Type) return Node_Type is + begin + return Nodet.Table (N + 1).Field1; + end Get_Field8; + + procedure Set_Field8 (N: Node_Type; Val: Node_Type) is + begin + Nodet.Table (N + 1).Field1 := Val; + end Set_Field8; + + function Get_Field9 (N: Node_Type) return Node_Type is + begin + return Nodet.Table (N + 1).Field2; + end Get_Field9; + + procedure Set_Field9 (N: Node_Type; Val: Node_Type) is + begin + Nodet.Table (N + 1).Field2 := Val; + end Set_Field9; + + function Get_Field10 (N: Node_Type) return Node_Type is + begin + return Nodet.Table (N + 1).Field3; + end Get_Field10; + + procedure Set_Field10 (N: Node_Type; Val: Node_Type) is + begin + Nodet.Table (N + 1).Field3 := Val; + end Set_Field10; + + function Get_Field11 (N: Node_Type) return Node_Type is + begin + return Nodet.Table (N + 1).Field4; + end Get_Field11; + + procedure Set_Field11 (N: Node_Type; Val: Node_Type) is + begin + Nodet.Table (N + 1).Field4 := Val; + end Set_Field11; + + function Get_Field12 (N: Node_Type) return Node_Type is + begin + return Nodet.Table (N + 1).Field5; + end Get_Field12; + + procedure Set_Field12 (N: Node_Type; Val: Node_Type) is + begin + Nodet.Table (N + 1).Field5 := Val; + end Set_Field12; + + + function Get_Flag1 (N : Node_Type) return Boolean is + begin + return Nodet.Table (N).Flag1; + end Get_Flag1; + + procedure Set_Flag1 (N : Node_Type; V : Boolean) is + begin + Nodet.Table (N).Flag1 := V; + end Set_Flag1; + + function Get_Flag2 (N : Node_Type) return Boolean is + begin + return Nodet.Table (N).Flag2; + end Get_Flag2; + + procedure Set_Flag2 (N : Node_Type; V : Boolean) is + begin + Nodet.Table (N).Flag2 := V; + end Set_Flag2; + + function Get_Flag3 (N : Node_Type) return Boolean is + begin + return Nodet.Table (N).Flag3; + end Get_Flag3; + + procedure Set_Flag3 (N : Node_Type; V : Boolean) is + begin + Nodet.Table (N).Flag3 := V; + end Set_Flag3; + + function Get_Flag4 (N : Node_Type) return Boolean is + begin + return Nodet.Table (N).Flag4; + end Get_Flag4; + + procedure Set_Flag4 (N : Node_Type; V : Boolean) is + begin + Nodet.Table (N).Flag4 := V; + end Set_Flag4; + + function Get_Flag5 (N : Node_Type) return Boolean is + begin + return Nodet.Table (N).Flag5; + end Get_Flag5; + + procedure Set_Flag5 (N : Node_Type; V : Boolean) is + begin + Nodet.Table (N).Flag5 := V; + end Set_Flag5; + + function Get_Flag6 (N : Node_Type) return Boolean is + begin + return Nodet.Table (N).Flag6; + end Get_Flag6; + + procedure Set_Flag6 (N : Node_Type; V : Boolean) is + begin + Nodet.Table (N).Flag6 := V; + end Set_Flag6; + + function Get_Flag7 (N : Node_Type) return Boolean is + begin + return Nodet.Table (N).Flag7; + end Get_Flag7; + + procedure Set_Flag7 (N : Node_Type; V : Boolean) is + begin + Nodet.Table (N).Flag7 := V; + end Set_Flag7; + + function Get_Flag8 (N : Node_Type) return Boolean is + begin + return Nodet.Table (N).Flag8; + end Get_Flag8; + + procedure Set_Flag8 (N : Node_Type; V : Boolean) is + begin + Nodet.Table (N).Flag8 := V; + end Set_Flag8; + + function Get_Flag9 (N : Node_Type) return Boolean is + begin + return Nodet.Table (N).Flag9; + end Get_Flag9; + + procedure Set_Flag9 (N : Node_Type; V : Boolean) is + begin + Nodet.Table (N).Flag9 := V; + end Set_Flag9; + + function Get_Flag10 (N : Node_Type) return Boolean is + begin + return Nodet.Table (N).Flag10; + end Get_Flag10; + + procedure Set_Flag10 (N : Node_Type; V : Boolean) is + begin + Nodet.Table (N).Flag10 := V; + end Set_Flag10; + + function Get_Flag11 (N : Node_Type) return Boolean is + begin + return Nodet.Table (N).Flag11; + end Get_Flag11; + + procedure Set_Flag11 (N : Node_Type; V : Boolean) is + begin + Nodet.Table (N).Flag11 := V; + end Set_Flag11; + + function Get_Flag12 (N : Node_Type) return Boolean is + begin + return Nodet.Table (N).Flag12; + end Get_Flag12; + + procedure Set_Flag12 (N : Node_Type; V : Boolean) is + begin + Nodet.Table (N).Flag12 := V; + end Set_Flag12; + + function Get_Flag13 (N : Node_Type) return Boolean is + begin + return Nodet.Table (N).Flag13; + end Get_Flag13; + + procedure Set_Flag13 (N : Node_Type; V : Boolean) is + begin + Nodet.Table (N).Flag13 := V; + end Set_Flag13; + + function Get_Flag14 (N : Node_Type) return Boolean is + begin + return Nodet.Table (N).Flag14; + end Get_Flag14; + + procedure Set_Flag14 (N : Node_Type; V : Boolean) is + begin + Nodet.Table (N).Flag14 := V; + end Set_Flag14; + + function Get_Flag15 (N : Node_Type) return Boolean is + begin + return Nodet.Table (N).Flag15; + end Get_Flag15; + + procedure Set_Flag15 (N : Node_Type; V : Boolean) is + begin + Nodet.Table (N).Flag15 := V; + end Set_Flag15; + + + function Get_State1 (N : Node_Type) return Bit2_Type is + begin + return Nodet.Table (N).State1; + end Get_State1; + + procedure Set_State1 (N : Node_Type; V : Bit2_Type) is + begin + Nodet.Table (N).State1 := V; + end Set_State1; + + function Get_State2 (N : Node_Type) return Bit2_Type is + begin + return Nodet.Table (N).State2; + end Get_State2; + + procedure Set_State2 (N : Node_Type; V : Bit2_Type) is + begin + Nodet.Table (N).State2 := V; + end Set_State2; + + function Get_State3 (N : Node_Type) return Bit2_Type is + begin + return Nodet.Table (N + 1).State1; + end Get_State3; + + procedure Set_State3 (N : Node_Type; V : Bit2_Type) is + begin + Nodet.Table (N + 1).State1 := V; + end Set_State3; + + procedure Initialize is + begin + Nodet.Free; + Nodet.Init; + end Initialize; + function Is_Null (Node : Iir) return Boolean is begin return Node = Null_Iir; |