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Length: 1441 (0x5a1)
Types: TextFile
Notes: R1k Text-file segment
└─⟦8527c1e9b⟧ Bits:30000544 8mm tape, Rational 1000, Arrival backup of disks in PAM's R1000
└─ ⟦5a81ac88f⟧ »Space Info Vol 1«
└─⟦88d30ca00⟧
└─⟦this⟧
with instanceCounter;
separate(expertSystem)
package body ruleManager is
type ruleStateArray is array(contextId, ruleId) of boolean;
ruleState : ruleStateArray := (others=>(others=>FALSE));
function isMasked(context : contextName; rule : ruleId) return boolean is
ctx : contextId := instanceCounter.contextNumber(context);
begin
if rule = 0 then
raise badRule;
end if;
if ctx = 0 then
raise badContext;
end if;
return (ruleState(ctx,rule));
end isMasked;
function isMasked(context : contextid; rule : ruleId) return boolean is
begin
if rule = 0 then
raise badRule;
end if;
if context = 0 then
raise badContext;
end if;
return (ruleState(context,rule));
end isMasked;
procedure mask(context : contextName; rule : ruleId) is
ctx : contextId := instanceCounter.contextNumber(context);
begin
if rule = 0 then
raise badRule;
end if;
if ctx = 0 then
raise badContext;
end if;
ruleState(ctx,rule) := TRUE;
end mask;
procedure unmask(context : contextName; rule : ruleId) is
ctx : contextId := instanceCounter.contextNumber(context);
begin
if rule = 0 then
raise badRule;
end if;
if ctx = 0 then
raise badContext;
end if;
ruleState(ctx,rule) := FALSE;
end unmask;
end ruleManager;