*************************************************************************
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.
*************************************************************************
Copyright (C) 1993, Digital Equipment Corporation
All rights reserved.
See the file COPYRIGHT for a full description.
MODULE M3CWordProcs;
IMPORT Text, TextRefTbl;
IMPORT M3AST_AS;
IMPORT M3AST_AS_F, M3AST_TM_F;
IMPORT M3CId, M3Assert, M3CExpsMisc;
PROCEDURE Enter(table: TextRefTbl.T; t: Text.T; w: T) RAISES {}=
VAR
new := NEW(REF T);
BEGIN
new^ := w;
M3Assert.Check(NOT table.put(t, new));
END Enter;
PROCEDURE Initialize(): TextRefTbl.T RAISES {}=
VAR
result := NEW(TextRefTbl.Default).init(64);
BEGIN
Enter(result, "Plus", T.Plus);
Enter(result, "Times", T.Times);
Enter(result, "Minus", T.Minus);
Enter(result, "Divide", T.Divide);
Enter(result, "Mod", T.Mod);
Enter(result, "LT", T.LT);
Enter(result, "LE", T.LE);
Enter(result, "GT", T.GT);
Enter(result, "GE", T.GE);
Enter(result, "And", T.And);
Enter(result, "Or", T.Or);
Enter(result, "Xor", T.Xor);
Enter(result, "Not", T.Not);
Enter(result, "Shift", T.Shift);
Enter(result, "LeftShift", T.Shift);
Enter(result, "RightShift", T.RightShift);
Enter(result, "Rotate", T.Rotate);
Enter(result, "LeftRotate", T.Rotate);
Enter(result, "RightRotate", T.RightRotate);
Enter(result, "Extract", T.Extract);
Enter(result, "Insert", T.Insert);
RETURN result;
END Initialize;
VAR
table_g := Initialize();
word_g: M3CId.T := NIL;
PROCEDURE IsWordCall(call: M3AST_AS.Call; VAR t: T): BOOLEAN RAISES {}=
VAR
defId: M3AST_AS.DEF_ID;
BEGIN
IF M3CExpsMisc.IsId(call.as_callexp, defId) AND
ISTYPE(defId, M3AST_AS.Proc_id) THEN
VAR
hId: REFANY;
BEGIN
IF word_g = NIL THEN word_g := M3CId.Enter("Word") END;
IF defId.tmp_unit_id.lx_symrep = word_g THEN
IF table_g.get(M3CId.ToText(defId.lx_symrep), hId) THEN
t := NARROW(hId, REF T)^;
RETURN TRUE;
ELSE
RETURN FALSE;
END; (* if *)
ELSE
RETURN FALSE;
END; (* if *)
END;
ELSE
RETURN FALSE;
END; (* if *)
END IsWordCall;
PROCEDURE ArgCount(t: T): CARDINAL RAISES {}=
BEGIN
CASE t OF
| T.Plus => RETURN 2;
| T.Times => RETURN 2;
| T.Minus => RETURN 2;
| T.Divide => RETURN 2;
| T.Mod => RETURN 2;
| T.LT => RETURN 2;
| T.LE => RETURN 2;
| T.GT => RETURN 2;
| T.GE => RETURN 2;
| T.And => RETURN 2;
| T.Or => RETURN 2;
| T.Xor => RETURN 2;
| T.Not => RETURN 1;
| T.Shift => RETURN 2;
| T.RightShift => RETURN 2;
| T.Rotate => RETURN 2;
| T.RightRotate => RETURN 2;
| T.Extract => RETURN 3;
| T.Insert => RETURN 4;
END;
END ArgCount;
BEGIN
END M3CWordProcs.