MODULE M3CStdProcs;
*************************************************************************
Copyright (C) Olivetti 1989
All Rights reserved
Use and copy of this software and preparation of derivative works based
upon this software are permitted to any person, provided this same
copyright notice and the following Olivetti warranty disclaimer are
included in any copy of the software or any modification thereof or
derivative work therefrom made by any person.
This software is made available AS IS and Olivetti disclaims all
warranties with respect to this software, whether expressed or implied
under any law, including all implied warranties of merchantibility and
fitness for any purpose. In no event shall Olivetti be liable for any
damages whatsoever resulting from loss of use, data or profits or
otherwise arising out of or in connection with the use or performance
of this software.
*************************************************************************
IMPORT Text, TextRefTbl;
IMPORT M3AST_AS;
IMPORT M3AST_AS_F, M3AST_SM_F, M3AST_TM_F;
IMPORT M3Context, M3CId, M3Assert;
VAR
table_g: TextRefTbl.T;
PROCEDURE IsStandardUnit(unitId: M3AST_AS.UNIT_ID): BOOLEAN RAISES {}=
BEGIN
RETURN NARROW(unitId.sm_spec, M3AST_AS.UNIT).sm_comp_unit =
M3Context.Standard();
END IsStandardUnit;
PROCEDURE IsStandardCall(
call: M3AST_AS.Call;
VAR pf: T)
: BOOLEAN
RAISES {}=
BEGIN
TYPECASE call.as_callexp OF
| M3AST_AS.Exp_used_id(expUsedId) =>
VAR
defId := expUsedId.vUSED_ID.sm_def;
hashId: REFANY;
BEGIN
IF defId # NIL AND ISTYPE(defId, M3AST_AS.Proc_id) AND
IsStandardUnit(defId.tmp_unit_id) THEN
IF table_g.get(M3CId.ToText(defId.lx_symrep), hashId) THEN
pf := NARROW(hashId, REF T)^;
RETURN TRUE;
ELSE
M3Assert.Fail();
<*ASSERT FALSE*>
END; (* if *)
ELSE
RETURN FALSE;
END; (* if *)
END;
ELSE
RETURN FALSE;
END; (* if *)
END IsStandardCall;
PROCEDURE IsStandard(id: M3AST_AS.Proc_id; VAR pf: T): BOOLEAN RAISES {}=
VAR
hashId: REFANY;
BEGIN
IF IsStandardUnit(id.tmp_unit_id) THEN
IF table_g.get(M3CId.ToText(id.lx_symrep), hashId) THEN
pf := NARROW(hashId, REF T)^;
RETURN TRUE;
ELSE
M3Assert.Fail();
<*ASSERT FALSE*>
END; (* if *)
ELSE
RETURN FALSE;
END; (* if *)
END IsStandard;
PROCEDURE Enter(s: Text.T; pf: T) RAISES {}=
VAR
new := NEW(REF T);
BEGIN
new^ := pf;
EVAL table_g.put(s, new);
END Enter;
PROCEDURE Initialise() RAISES {}=
BEGIN
table_g := NEW(TextRefTbl.Default).init(32);
Enter("NEW", T.New);
Enter("INC", T.Inc);
Enter("DEC", T.Dec);
Enter("DISPOSE", T.Dispose);
Enter("ABS", T.Abs);
Enter("FLOAT", T.Float);
Enter("FLOOR", T.Floor);
Enter("CEILING", T.Ceiling);
Enter("ROUND", T.Round);
Enter("TRUNC", T.Trunc);
Enter("MAX", T.Max);
Enter("MIN", T.Min);
Enter("ORD", T.Ord);
Enter("VAL", T.Val);
Enter("NUMBER", T.Number);
Enter("FIRST", T.First);
Enter("LAST", T.Last);
Enter("TYPECODE", T.TypeCode);
Enter("NARROW", T.Narrow);
Enter("ISTYPE", T.IsType);
Enter("BITSIZE", T.BitSize);
Enter("BYTESIZE", T.ByteSize);
Enter("ADRSIZE", T.AdrSize);
Enter("LOOPHOLE", T.Loophole);
Enter("ADR", T.Adr);
Enter("SUBARRAY", T.Subarray);
END Initialise;
BEGIN
Initialise();
END M3CStdProcs.