m3tk/src/target/M3CBackEnd_C_cc.m3

*************************************************************************
                      Copyright (C) Olivetti 1989                        
                          All Rights reserved                            
                                                                         
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 upon this software are permitted to any person, provided this same      
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 of this software.                                                       
*************************************************************************

 Copyright (C) 1993, Digital Equipment Corporation           
 All rights reserved.                                        
 See the file COPYRIGHT for a full description.              


MODULE M3CBackEnd_C_cc;

IMPORT TextRefTbl;

VAR
 table_g: TextRefTbl.T := NEW(TextRefTbl.Default).init(10);

TYPE R = REF TargetInitProc;

PROCEDURE RegisterTarget(t: TEXT; p: TargetInitProc) RAISES {}=
  VAR r: R;
  BEGIN
    r := NEW(R); r^ := p;
    EVAL table_g.put(t, r);
  END RegisterTarget;

PROCEDURE LookupTarget(
    t: TEXT;
    VAR (*out*) rp: REF TargetInitProc): BOOLEAN RAISES {}=
  VAR
    id: REFANY;
  BEGIN
    IF table_g.get(t, id) THEN
      rp := NARROW(id, R);
      RETURN TRUE;
    ELSE
      RETURN FALSE
    END; (* if *)
  END LookupTarget;

REVEAL
  Iter = BRANDED REF TextRefTbl.Iterator;

PROCEDURE NewIter(): Iter RAISES {}=
  VAR iter := NEW(Iter);
  BEGIN
    iter^ := table_g.iterate();
    RETURN iter;
  END NewIter;

PROCEDURE Next(iter: Iter; VAR (*out*) t: TEXT;
    VAR (*out*) rp: REF TargetInitProc): BOOLEAN RAISES {}=
  VAR
    ra: REFANY;
  BEGIN
    IF iter^.next(t, ra) THEN
      rp := NARROW(ra, R); RETURN TRUE;
    ELSE
      RETURN FALSE
    END;
  END Next;

BEGIN

END M3CBackEnd_C_cc.