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------------------------------------------------------------------------------
-- --
-- ASIS Tester And iNTerpreter (ASIStant) COMPONENTS --
-- --
-- A S I S T A N T . S _ P A R S E R --
-- --
-- S p e c --
-- --
-- Copyright (C) 1997-2013, Free Software Foundation, Inc. --
-- --
-- ASIStant is free software; you can redistribute it and/or modify it --
-- under terms of the GNU General Public License as published by the Free --
-- Software Foundation; either version 2, or (at your option) any later --
-- version. ASIStant is distributed in the hope that it will be useful, --
-- but WITHOUT ANY WARRANTY; without even the implied warranty of MER- --
-- CHANTABILITY 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 distributed with GNAT; see file COPYING. If --
-- not, write to the Free Software Foundation, 59 Temple Place Suite 330, --
-- Boston, MA 02111-1307, USA. --
-- --
-- ASIStant is an evolution of ASIStint tool that was created by --
-- Vasiliy Fofanov as part of a collaboration between Software Engineering --
-- Laboratory of the Swiss Federal Institute of Technology in Lausanne, --
-- Switzerland, and the Scientific Research Computer Center of the Moscow --
-- University, Russia, supported by the Swiss National Science Foundation --
-- grant #7SUPJ048247, "Development of ASIS for GNAT with industry quality" --
-- --
-- ASIStant is distributed as a part of the ASIS implementation for GNAT --
-- (ASIS-for-GNAT) and is maintained by AdaCore (http://www.adacore.com). --
-- --
------------------------------------------------------------------------------
with ASIStant.Common; use ASIStant.Common;
with ASIStant.L_Parser; use ASIStant.L_Parser;
with ASIStant.FuncEnum; use ASIStant.FuncEnum;
package ASIStant.S_Parser is
------------------------------------------------------------------------------
-- This package provides parsing for the ASIStant language
------------------------------------------------------------------------------
type Node_Type is (
NT_BOOLEAN,
NT_FUNCTION,
NT_INTEGER,
NT_PARAMLIST,
NT_STRING,
NT_VARIABLE
);
subtype Node_Position is Natural range 0 .. MAX_TREENODES;
type Node is
record
NType : Node_Type;
VType : Var_Type;
SValue : String_Ptr;
IValue : Integer;
NValue : Node_Position;
Next_Node : Node_Position;
end record;
type TStorage is array (Node_Position) of Node;
type Statement_Tree is
record
Free : Node_Position := 1;
Tree : TStorage;
end record;
CurStat : Statement_Tree;
procedure Reset_Tree;
procedure Get_Func (TS : in out Token_Stream);
procedure Get_Expr (TS : in out Token_Stream);
procedure Get_Stmt (TS : in out Token_Stream);
end ASIStant.S_Parser;
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