aboutsummaryrefslogtreecommitdiff
path: root/src/interp
diff options
context:
space:
mode:
Diffstat (limited to 'src/interp')
-rw-r--r--src/interp/functor.boot46
1 files changed, 22 insertions, 24 deletions
diff --git a/src/interp/functor.boot b/src/interp/functor.boot
index f79a8fb2..6292f5fe 100644
--- a/src/interp/functor.boot
+++ b/src/interp/functor.boot
@@ -657,30 +657,28 @@ TryGDC cond ==
cond
SetFunctionSlots(sig,body,flag,mode) == --mode is either "original" or "adding"
- catNames := ['$]
- for u in $catvecList for v in catNames repeat
- null body => return nil
- for catImplem in LookUpSigSlots(sig,u.1) repeat
- catImplem is [q,.,index] and (q='ELT or q='CONST) =>
- if q is 'CONST and body is ['CONS,a,b] then
- body := ['CONS,'IDENTITY,['FUNCALL,a,b]]
- body:= ["setShellEntry",v,index,body]
- if REFVECP $SetFunctions and TruthP flag then
- u.index := true
- v='$ => -- we are looking at the principal view
- not REFVECP $SetFunctions => nil --packages don't set it
- -- the function was already assigned
- TruthP $SetFunctions.index => return body := nil
- $SetFunctions.index :=
- TruthP flag => true
- not $SetFunctions.index => flag
- ["or",$SetFunctions.index,flag]
- catImplem is ['Subsumed,:truename] =>
- mode='original =>
- truename is [fn,:.] and fn in '(Zero One) => nil --hack by RDJ 8/90
- body := SetFunctionSlots(truename,body,nil,mode)
- keyedSystemError("S2OR0002",[catImplem])
- body is ["setShellEntry",:.] => body
+ null body => return nil
+ u := first $catvecList
+ for catImplem in LookUpSigSlots(sig,u.1) repeat
+ catImplem is [q,.,index] and (q='ELT or q='CONST) =>
+ if q is 'CONST and body is ['CONS,a,b] then
+ body := ['CONS,'IDENTITY,['FUNCALL,a,b]]
+ body:= ['setShellEntry,'$,index,body]
+ not REFVECP $SetFunctions => nil --packages don't set it
+ if TruthP flag then -- unconditionally defined function
+ u.index := true
+ TruthP $SetFunctions.index => -- the function was already assigned
+ return body := nil
+ $SetFunctions.index :=
+ TruthP flag => true
+ not $SetFunctions.index => flag
+ ['_or,$SetFunctions.index,flag]
+ catImplem is ['Subsumed,:truename] =>
+ mode='original =>
+ truename is [fn,:.] and fn in '(Zero One) => nil --hack by RDJ 8/90
+ body := SetFunctionSlots(truename,body,nil,mode)
+ keyedSystemError("S2OR0002",[catImplem])
+ body is ['setShellEntry,:.] => body
nil
LookUpSigSlots(sig,siglist) ==