//
// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
//
// The contents of this file are covered under the licence agreement in the
// file "LICENCE" distributed with Cforall.
//
// VarExprReplacer.h --
//
// Author           : Rob Schluntz
// Created On       : Wed Jan 13 16:29:30 2016
// Last Modified By : Peter A. Buhr
// Last Modified On : Sat Jul 22 09:53:41 2017
// Update Count     : 6
//

#pragma once

#include <map>                // for map, map<>::value_compare

#include "SynTree/Visitor.h"  // for Visitor

class DeclarationWithType;
class VariableExpr;

/// Visitor that replaces the declarations that VariableExprs refer to, according to the supplied mapping
class VarExprReplacer : public Visitor {
public:
	typedef std::map< DeclarationWithType *, DeclarationWithType * > DeclMap;
private:
	const DeclMap & declMap;
	bool debug;
public:
	VarExprReplacer( const DeclMap & declMap, bool debug = false );

	// replace variable with new node from decl map
	virtual void visit( VariableExpr * varExpr );

	static void replace( BaseSyntaxNode * node, const DeclMap & declMap, bool debug = false ) {
		VarExprReplacer replacer( declMap, debug );
		maybeAccept( node, replacer );
	}
};

// Local Variables: //
// tab-width: 4 //
// mode: c++ //
// compile-command: "make install" //
// End: //