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-- GCC back-end for ortho.
-- Copyright (C) 2002-1014 Tristan Gingold
--
-- GHDL is free software; you can redistribute it and/or modify it under
-- the terms of the GNU General Public License as published by the Free
-- Software Foundation; either version 2, or (at your option) any later
-- version.
--
-- GHDL is distributed in the hope that it will be useful, but WITHOUT ANY
-- WARRANTY; without even the implied warranty of MERCHANTABILITY or
-- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-- for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with GCC; see the file COPYING. If not, write to the Free
-- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-- 02111-1307, USA.
with System;
with Interfaces; use Interfaces;
with Ortho_Ident;
use Ortho_Ident;
-- Interface to create nodes.
package Ortho_Gcc is
private
-- GCC supports nested subprograms.
Has_Nested_Subprograms : constant Boolean := True;
pragma Convention (C, O_Storage);
-- pragma Convention (C, ON_Op_Kind);
subtype Tree is System.Address;
NULL_TREE : constant Tree := System.Null_Address;
subtype Vec_Ptr is System.Address;
type O_Cnode is new Tree;
type O_Enode is new Tree;
type O_Lnode is new Tree;
type O_Tnode is new Tree;
type O_Fnode is new Tree;
type O_Dnode is new Tree;
type O_Snode is record
Beg_Label : Tree;
End_Label : Tree;
end record;
pragma Convention (C, O_Snode);
O_Cnode_Null : constant O_Cnode := O_Cnode (NULL_TREE);
O_Enode_Null : constant O_Enode := O_Enode (NULL_TREE);
O_Lnode_Null : constant O_Lnode := O_Lnode (NULL_TREE);
O_Tnode_Null : constant O_Tnode := O_Tnode (NULL_TREE);
O_Fnode_Null : constant O_Fnode := O_Fnode (NULL_TREE);
O_Snode_Null : constant O_Snode := (NULL_TREE, NULL_TREE);
O_Dnode_Null : constant O_Dnode := O_Dnode (NULL_TREE);
pragma Inline (New_Lit);
pragma Inline (New_Obj);
pragma Inline (New_Obj_Value);
-- Efficiently append element EL to a chain.
-- FIRST is the first element of the chain (must NULL_TREE if the chain
-- is empty),
-- LAST is the last element of the chain (idem).
type Chain_Constr_Type is record
First : Tree;
Last : Tree;
end record;
pragma Convention (C, Chain_Constr_Type);
procedure Chain_Init (Constr : out Chain_Constr_Type);
pragma Import (C, Chain_Init);
procedure Chain_Append (Constr : in out Chain_Constr_Type; El : Tree);
pragma Import (C, Chain_Append);
-- Efficiently append element EL to a list.
type List_Constr_Type is record
First : Tree;
Last : Tree;
end record;
pragma Convention (C, List_Constr_Type);
procedure List_Init (Constr : out List_Constr_Type);
pragma Import (C, List_Init);
procedure List_Append (Constr : in out List_Constr_Type; El : Tree);
pragma Import (C, List_Append, "ortho_list_append");
type O_Loop_Block is record
Beg_Label : Tree;
End_Label : Tree;
end record;
pragma Convention (C, O_Loop_Block);
type O_Inter_List is record
Ident : O_Ident;
Storage : O_Storage;
-- Return type.
Rtype : O_Tnode;
-- List of parameter types.
Param_List : List_Constr_Type;
-- Chain of parameters declarations.
Param_Chain : Chain_Constr_Type;
end record;
pragma Convention (C, O_Inter_List);
type O_Element_List is record
Res : Tree;
Chain : Chain_Constr_Type;
end record;
pragma Convention (C, O_Element_List);
type O_Case_Block is record
Prev_Stmts : Tree;
Case_Type : Tree;
End_Label : Tree;
Add_Break : Integer;
end record;
pragma Convention (C, O_Case_Block);
type O_If_Block is record
Prev_Stmts : Tree;
If_Stmt : Tree;
end record;
pragma Convention (C, O_If_Block);
type O_Aggr_List is record
Atype : Tree;
Chain : Chain_Constr_Type;
end record;
type O_Record_Aggr_List is record
Atype : Tree;
Afield : Tree;
Vec : Vec_Ptr;
end record;
pragma Convention (C, O_Record_Aggr_List);
type O_Array_Aggr_List is record
Atype : Tree;
Vec : Vec_Ptr;
end record;
pragma Convention (C, O_Array_Aggr_List);
type O_Assoc_List is record
Subprg : Tree;
List : List_Constr_Type;
end record;
pragma Convention (C, O_Assoc_List);
type O_Enum_List is record
-- The enumeral_type node.
Res : Tree;
-- Chain of literals.
Chain : Chain_Constr_Type;
-- Numeral value (from 0 to nbr - 1) of the next literal to be declared.
Num : Natural;
-- Size of the enumeration type.
Size : Natural;
end record;
pragma Convention (C, O_Enum_List);
pragma Import (C, New_Dyadic_Op);
pragma Import (C, New_Monadic_Op);
pragma Import (C, New_Compare_Op);
pragma Import (C, New_Convert_Ov);
pragma Import (C, New_Alloca);
pragma Import (C, New_Signed_Literal);
pragma Import (C, New_Unsigned_Literal);
pragma Import (C, New_Float_Literal);
pragma Import (C, New_Null_Access);
pragma Import (C, Start_Record_Type);
pragma Import (C, New_Record_Field);
pragma Import (C, Finish_Record_Type);
pragma Import (C, New_Uncomplete_Record_Type);
pragma Import (C, Start_Uncomplete_Record_Type);
pragma Import (C, Start_Union_Type);
pragma Import (C, New_Union_Field);
pragma Import (C, Finish_Union_Type);
pragma Import (C, New_Unsigned_Type);
pragma Import (C, New_Signed_Type);
pragma Import (C, New_Float_Type);
pragma Import (C, New_Access_Type);
pragma Import (C, Finish_Access_Type);
pragma Import (C, New_Array_Type);
pragma Import (C, New_Constrained_Array_Type);
pragma Import (C, New_Boolean_Type);
pragma Import (C, Start_Enum_Type);
pragma Import (C, New_Enum_Literal);
pragma Import (C, Finish_Enum_Type);
pragma Import (C, Start_Record_Aggr);
pragma Import (C, New_Record_Aggr_El);
pragma Import (C, Finish_Record_Aggr);
pragma Import (C, Start_Array_Aggr);
pragma Import (C, New_Array_Aggr_El);
pragma Import (C, Finish_Array_Aggr);
pragma Import (C, New_Union_Aggr);
pragma Import (C, New_Default_Value);
pragma Import (C, New_Indexed_Element);
pragma Import (C, New_Slice);
pragma Import (C, New_Selected_Element);
pragma Import (C, New_Access_Element);
pragma Import (C, New_Sizeof);
pragma Import (C, New_Alignof);
pragma Import (C, New_Offsetof);
pragma Import (C, New_Address);
pragma Import (C, New_Global_Address);
pragma Import (C, New_Unchecked_Address);
pragma Import (C, New_Global_Unchecked_Address);
pragma Import (C, New_Subprogram_Address);
pragma Import (C, New_Value);
pragma Import (C, New_Type_Decl);
pragma Import (C, New_Debug_Line_Decl);
pragma Import (C, New_Const_Decl);
pragma Import (C, New_Var_Decl);
pragma Import (C, Start_Init_Value);
pragma Import (C, Finish_Init_Value);
pragma Import (C, Start_Function_Decl);
pragma Import (C, Start_Procedure_Decl);
pragma Import (C, New_Interface_Decl);
pragma Import (C, Finish_Subprogram_Decl);
pragma Import (C, Start_Subprogram_Body);
pragma Import (C, Finish_Subprogram_Body);
pragma Import (C, New_Debug_Line_Stmt);
pragma Import (C, Start_Declare_Stmt);
pragma Import (C, Finish_Declare_Stmt);
pragma Import (C, Start_Association);
pragma Import (C, New_Association);
pragma Import (C, New_Function_Call);
pragma Import (C, New_Procedure_Call);
pragma Import (C, New_Assign_Stmt);
pragma Import (C, Start_If_Stmt);
pragma Import (C, New_Else_Stmt);
pragma Import (C, Finish_If_Stmt);
pragma Import (C, New_Return_Stmt);
pragma Import_Procedure (New_Return_Stmt,
"new_func_return_stmt", (O_Enode));
pragma Import_Procedure (New_Return_Stmt,
"new_proc_return_stmt", null);
pragma Import (C, Start_Loop_Stmt);
pragma Import (C, Finish_Loop_Stmt);
pragma Import (C, New_Exit_Stmt);
pragma Import (C, New_Next_Stmt);
pragma Import (C, Start_Case_Stmt);
pragma Import (C, Start_Choice);
pragma Import (C, New_Expr_Choice);
pragma Import (C, New_Range_Choice);
pragma Import (C, New_Default_Choice);
pragma Import (C, Finish_Choice);
pragma Import (C, Finish_Case_Stmt);
end Ortho_Gcc;
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