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+-- VHDL parser.
+-- 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 GHDL; see the file COPYING. If not, write to the Free
+-- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+-- 02111-1307, USA.
+with Types; use Types;
+with Iirs; use Iirs;
+
+package Vhdl.Parse is
+ -- If True, create nodes for parenthesis expressions.
+ Flag_Parse_Parenthesis : Boolean := False;
+
+ type Prio_Type is
+ (
+ Prio_Expression,
+ Prio_Logical,
+ Prio_Relation,
+ Prio_Shift,
+ Prio_Simple,
+ Prio_Term,
+ Prio_Factor
+ );
+
+ -- Parse an expression.
+ -- (Used by PSL).
+ function Parse_Expression (Prio : Prio_Type := Prio_Expression) return Iir;
+ function Parse_Binary_Expression (Left : Iir; Prio : Prio_Type) return Iir;
+
+ -- Convert the STR (0 .. LEN - 1) into a operator symbol identifier.
+ -- Emit an error message if the name is not an operator name.
+ function Str_To_Operator_Name (Str_Id : String8_Id;
+ Len : Nat32;
+ Loc : Location_Type) return Name_Id;
+
+ -- Convert string literal STR to an operator symbol.
+ -- Emit an error message if the string is not an operator name.
+ function String_To_Operator_Symbol (Str : Iir) return Iir;
+
+ -- Parse a single design unit.
+ -- The scanner must have been initialized, however, the current_token
+ -- shouldn't have been set.
+ -- At return, the last token accepted is the semi_colon that terminates
+ -- the library unit.
+ -- Return Null_Iir when end of file.
+ function Parse_Design_Unit return Iir_Design_Unit;
+
+ -- Parse a file.
+ -- The scanner must have been initialized as for parse_design_unit.
+ -- Return Null_Iir in case of error.
+ function Parse_Design_File return Iir_Design_File;
+end Vhdl.Parse;