File psl-1983/3-1/glisp/glhead.sl from the latest check-in


%
%  GLHEAD.PSL.9               14 Jan. 1983
%
%  HEADER FOR GLISP FOR COMPATIBILITY WITH PORTABLE STANDARD LISP (PSL)
%  G. NOVAK     20 OCTOBER 1982
%


(GLOBAL '(GLQUIETFLG GLSEPBITTBL GLUNITPKGS GLSEPMINUS GLOBJECTNAMES
          GLTYPENAMES GLBREAKONERROR GLUSERSTRNAMES GLLASTFNCOMPILED
          GLLASTSTREDITED GLCAUTIOUSFLG GLLISPDIALECT GLBASICTYPES
          GLOBJECTTYPES))

(FLUID '(TTLIST SPECS SOURCE GLGLOBALVARS DOMAINNAME ARGTYPES NOTFLG
            GLAMBDAFN ADDISATYPE PAIRLIST PROGG BITTBL KEY Y TYPES
            CONTEXT EXPR VALBUSY FAULTFN GLSEPATOM GLSEPPTR *GL* *GLVAL*
            GLTOPCTX RESULTTYPE RESULT GLNATOM FIRST OPNDS OPERS
            GLEXPR DESLIST EXPRSTACK GLTYPESUBS GLPROGLST))

%  CASEQ MACRO FOR PSL
(DM CASEQ (L)
  (PROG (CVAR CODE)
    (SETQ CVAR (COND ((ATOM (CADR L))(CADR L))
                     (T 'CASEQSELECTORVAR)))
    (SETQ CODE (CONS 'COND (MAPCAR (CDDR L) 
		       (FUNCTION (LAMBDA (X)
        (COND ((EQ (CAR X) T) X)
              ((ATOM (CAR X))
	       (CONS (LIST 'EQ CVAR
                           (LIST 'QUOTE (CAR X)))
                     (CDR X)))
	      (T (CONS (LIST 'MEMQ CVAR
			     (LIST 'QUOTE (CAR X)))
		       (CDR X)))))))))
    (RETURN (COND ((ATOM (CADR L)) CODE)
		  (T (LIST 'PROG (LIST CVAR)
			   (LIST 'SETQ CVAR (CADR L))
			   (LIST 'RETURN CODE)))))))




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