INTERFACE 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 M3AST_AS;
TYPE
T = {Inc, Dec, Dispose,
New,
Abs, Float, Floor, Ceiling, Round, Trunc, Max, Min,
Ord, Val, Number, First, Last, TypeCode, Narrow, IsType,
BitSize, ByteSize, AdrSize, Loophole, Adr, Subarray};
Proc = [T.Inc..T.Dispose];
Func = [T.New..T.Subarray];
ProcFuncSet = SET OF T;
ProcSet = SET OF Proc;
FuncSet = SET OF Func;
CONST
AllProcFunc = ProcFuncSet{FIRST(T)..LAST(T)};
AllProc = ProcFuncSet{FIRST(Proc)..LAST(Proc)};
AllFunc = ProcFuncSet{FIRST(Func)..LAST(Func)};
Unsafe = ProcFuncSet{T.Dispose, T.Loophole, T.Adr};
Safe = AllProcFunc - Unsafe;
ResultTypeIsFirstArg = ProcFuncSet{T.New};
ResultTypeIsSecondArg = ProcFuncSet{T.Val, T.Narrow, T.Loophole, T.Float};
PolymorphicResult =
ProcFuncSet{T.Abs, T.Max, T.Min, T.First, T.Last, T.Subarray} +
ResultTypeIsFirstArg + ResultTypeIsSecondArg;
NonPolymorphicResult = AllFunc - PolymorphicResult;
OneParameter =
ProcFuncSet{T.Dispose, T.Abs, T.Floor, T.Ceiling,
T.Round, T.Trunc, T.Ord, T.Number, T.First, T.Last, T.TypeCode,
T.BitSize, T.ByteSize, T.AdrSize, T.Adr};
TwoParameters =
ProcFuncSet{T.Max, T.Min, T.Val, T.Narrow, T.IsType, T.Loophole};
OneOrTwoParameters = ProcFuncSet{T.Inc, T.Dec, T.Float};
ThreeParameters = ProcFuncSet{T.Subarray};
VariableParameters = ProcFuncSet{T.New};
FirstParameterMustBeType = ProcFuncSet{T.New};
FirstParameterCanBeType = FirstParameterMustBeType +
ProcFuncSet{T.Number, T.First, T.Last, T.TypeCode,
T.BitSize, T.ByteSize, T.AdrSize};
SecondParameterMustBeType = ResultTypeIsSecondArg + ProcFuncSet{T.IsType};
SecondParameterCanBeType = SecondParameterMustBeType;
FirstParameterCanBeNormal = AllProcFunc - FirstParameterMustBeType;
FirstParameterMustBeNormal = AllProcFunc - FirstParameterCanBeType;
HaveSecondParameter = AllProcFunc - OneParameter;
SecondParameterCanBeNormal = HaveSecondParameter - SecondParameterMustBeType;
SecondParameterMustBeNormal = HaveSecondParameter - SecondParameterCanBeType;
HaveThirdParameter =
HaveSecondParameter - (TwoParameters + OneOrTwoParameters);
AllowedInConstantExpressions = AllFunc -
ProcFuncSet{T.New,T.Adr,T.Loophole,T.TypeCode,
T.Narrow,T.IsType,T.Subarray};
PROCEDURE IsStandardCall(
call: M3AST_AS.Call;
VAR pf: T)
: BOOLEAN
RAISES {};
is the given call a call of a standard procedure? If so return TRUE and
set 'pf' to indicate which standard procedure is being called. If not return
FALSE and leave 'pf' untouched.
PROCEDURE IsStandard(
id: M3AST_AS.Proc_id;
VAR pf: T)
: BOOLEAN
RAISES {};
does the given identifier refer to a standard procedure? If so return TRUE
and set 'pf' to indicate which standard procedure. If not return FALSE and
leave 'pf' untouched.
END M3CStdProcs.