From 0a088b311ed2fcebc542f8a2e42d09e2e3c9311c Mon Sep 17 00:00:00 2001 From: Tristan Gingold Date: Tue, 4 Nov 2014 20:21:00 +0100 Subject: Create src/vhdl subdirectory. --- src/vhdl/parse.ads | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 src/vhdl/parse.ads (limited to 'src/vhdl/parse.ads') diff --git a/src/vhdl/parse.ads b/src/vhdl/parse.ads new file mode 100644 index 0000000..26bdef3 --- /dev/null +++ b/src/vhdl/parse.ads @@ -0,0 +1,44 @@ +-- 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 Iirs; use Iirs; + +package Parse is + -- If True, create nodes for parenthesis expressions. + Flag_Parse_Parenthesis : Boolean := False; + + -- Parse an expression. + -- (Used by PSL). + function Parse_Expression return Iir; + function Parse_Expression_Rhs (Left : Iir) return Iir; + + -- Parse an relationnal operator and its rhs. + function Parse_Relation_Rhs (Left : 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 habe been initialized as for parse_design_unit. + -- Return Null_Iir in case of error. + function Parse_Design_File return Iir_Design_File; +end Parse; -- cgit