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-- File: ExprIntrp.cdl
-- Created: Thu Jul 18 18:10:24 1991
-- Author: Arnaud BOUZY
-- <adn@topsn2>
---Copyright: Matra Datavision 1991, 1992
package ExprIntrp
---Purpose: Describes an interpreter for GeneralExpressions,
-- GeneralFunctions, and GeneralRelations defined in
-- package Expr.
uses Expr, MMgt, TCollection, TColStd
is
deferred class Generator;
class GenExp;
class GenFct;
class GenRel;
private class Analysis;
class SequenceOfNamedFunction instantiates
Sequence from TCollection(NamedFunction from Expr);
class SequenceOfNamedExpression instantiates
Sequence from TCollection(NamedExpression from Expr);
exception SyntaxError inherits Failure from Standard;
private class StackOfGeneralExpression instantiates
Stack from TCollection (GeneralExpression from Expr);
private class StackOfGeneralRelation instantiates
Stack from TCollection (GeneralRelation from Expr);
private class StackOfGeneralFunction instantiates
Stack from TCollection (GeneralFunction from Expr);
private class StackOfNames instantiates
Stack from TCollection (AsciiString from TCollection);
Parse(gen : Generator; str : AsciiString from TCollection)
returns Boolean
is private;
end ExprIntrp;
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