diff options
Diffstat (limited to 'src/interp/compiler.boot')
| -rw-r--r-- | src/interp/compiler.boot | 27 |
1 files changed, 8 insertions, 19 deletions
diff --git a/src/interp/compiler.boot b/src/interp/compiler.boot index 1d2921eb..773aca8e 100644 --- a/src/interp/compiler.boot +++ b/src/interp/compiler.boot @@ -916,18 +916,13 @@ setqSingle(id,val,m,E) == $insideSetqSingleIfTrue: local:= true --used for comping domain forms within functions currentProplist:= getProplist(id,E) - m'':= - get(id,"mode",E) or getmode(id,E) or - (if m=$NoValueMode then $EmptyMode else m) - T:= - eval or return nil where - eval() == - T:= comp(val,m'',E) => T - get(id,"mode",E) = nil and m'' ~= (maxm'':=maximalSuperType m'') and - (T:=comp(val,maxm'',E)) => T - (T:= comp(val,$EmptyMode,E)) and getmode(T.mode,E) => - assignError(val,T.mode,id,m'') - T':= [x,m',e']:= coerce(T,m) or return nil + tm := get(id,"mode",E) or getmode(id,E) or + m=$NoValueMode => $EmptyMode + m + T := comp(val,tm,E) or return nil + if tm = $EmptyMode then -- newly defined variable. + T.env := addDomain(db,T.mode,T.env) + T' := [x,m',e'] := coerce(T,m) or return nil if $profileCompiler then not ident? id => nil key := @@ -953,12 +948,6 @@ setqSingle(id,val,m,E) == ["%LET",id,x] [form,m',e'] -assignError(val,m',form,m) == - val => - stackMessage('"CANNOT ASSIGN: %1b OF MODE: %2pb TO: %3b OF MODE: %4bp", - [val,m',form,m]) - stackMessage('"CANNOT ASSIGN: %1b TO: %2b OF MODE: %3pb",[val,form,m]) - setqMultiple(nameList,val,m,e) == val is ["CONS",:.] and m=$NoValueMode => setqMultipleExplicit(nameList,uncons val,m,e) @@ -1772,7 +1761,7 @@ tryCourtesyCoercion(T,m) == keyedSystemError("S2GE0016",['"coerce", '"function coerce called from the interpreter."]) if $useRepresentationHack then - T.rest.first := MSUBST("$",$Rep,second T) + T.mode := MSUBST("$",$Rep,second T) T' := coerceEasy(T,m) => T' T' := coerceSubset(T,m) => T' T' := coerceHard(T,m) => T' |