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authorTristan Gingold2014-11-05 05:14:13 +0100
committerTristan Gingold2014-11-05 05:14:13 +0100
commit8b90118c3e035f191670cfa978ab1d81a93b54df (patch)
tree7d0ca74c35287330ab6054c6dd92ce849db48e66 /src/vhdl/translate/translation.ads
parent3fddf1c59fd7a8fcd260bb9e05c611bef3dd141b (diff)
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Move translate and simulate.
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+-- Iir to ortho translator.
+-- Copyright (C) 2002, 2003, 2004, 2005 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 Iirs; use Iirs;
+with Ortho_Nodes;
+
+package Translation is
+ -- Initialize the package: create internal nodes.
+ procedure Initialize;
+
+ -- Translate (generate code) for design unit UNIT.
+ -- If MAIN is true, the unit is really the unit being compiled (not an
+ -- external unit). Code shouldn't be generated for external units.
+ procedure Translate (Unit : Iir_Design_Unit; Main : Boolean);
+
+ -- Translate std.standard.
+ procedure Translate_Standard (Main : Boolean);
+
+ -- Get the ortho node for subprogram declaration DECL.
+ function Get_Ortho_Decl (Subprg : Iir) return Ortho_Nodes.O_Dnode;
+
+ -- Get the internal _RESOLV function for FUNC.
+ function Get_Resolv_Ortho_Decl (Func : Iir) return Ortho_Nodes.O_Dnode;
+
+ procedure Finalize;
+
+ package Chap12 is
+ -- Primary unit + secondary unit (architecture name which may be null)
+ -- to elaborate.
+ procedure Elaborate (Primary : String;
+ Secondary : String;
+ Filelist : String;
+ Whole : Boolean);
+ end Chap12;
+
+ -- If set, generate Run-Time Information nodes.
+ Flag_Rti : Boolean := True;
+
+ -- If set, do not generate 64 bits integer types and operations.
+ Flag_Only_32b : Boolean := False;
+
+ -- If set, do not generate code for unused subprograms.
+ -- Be careful: unless you are in whole compilation mode, this
+ -- flag shouldn't be set for packages and entities.
+ Flag_Discard_Unused : Boolean := False;
+
+ -- If set, do not generate code for unused implicit subprograms.
+ Flag_Discard_Unused_Implicit : Boolean := False;
+
+ -- If set, dump drivers per process during compilation.
+ Flag_Dump_Drivers : Boolean := False;
+
+ -- If set, try to create direct drivers.
+ Flag_Direct_Drivers : Boolean := True;
+
+ -- If set, checks ranges (subtype ranges).
+ Flag_Range_Checks : Boolean := True;
+
+ -- If set, checks indexes (arrays index and slice).
+ Flag_Index_Checks : Boolean := True;
+
+ -- If set, do not create identifiers (for in memory compilation).
+ Flag_Discard_Identifiers : Boolean := False;
+
+ -- If true, do not create nested subprograms.
+ -- This flag is forced during initialization if the code generated doesn't
+ -- support nested subprograms.
+ Flag_Unnest_Subprograms : Boolean := False;
+
+ type Foreign_Kind_Type is (Foreign_Unknown,
+ Foreign_Vhpidirect,
+ Foreign_Intrinsic);
+
+ type Foreign_Info_Type (Kind : Foreign_Kind_Type := Foreign_Unknown)
+ is record
+ case Kind is
+ when Foreign_Unknown =>
+ null;
+ when Foreign_Vhpidirect =>
+ -- Positions in name_table.name_buffer.
+ Lib_First : Natural;
+ Lib_Last : Natural;
+ Subprg_First : Natural;
+ Subprg_Last : Natural;
+ when Foreign_Intrinsic =>
+ null;
+ end case;
+ end record;
+
+ Foreign_Bad : constant Foreign_Info_Type := (Kind => Foreign_Unknown);
+
+ -- Return a foreign_info for DECL.
+ -- Can generate error messages, if the attribute expression is ill-formed.
+ -- If EXTRACT_NAME is set, internal fields of foreign_info are set.
+ -- Otherwise, only KIND discriminent is set.
+ -- EXTRACT_NAME should be set only inside translation itself, since the
+ -- name can be based on the prefix.
+ function Translate_Foreign_Id (Decl : Iir) return Foreign_Info_Type;
+
+ -- If not null, this procedure is called when a foreign subprogram is
+ -- created.
+ type Foreign_Hook_Access is access procedure (Decl : Iir;
+ Info : Foreign_Info_Type;
+ Ortho : Ortho_Nodes.O_Dnode);
+ Foreign_Hook : Foreign_Hook_Access := null;
+end Translation;