-- Copyright (c) 1991-2002, The Numerical Algorithms Group Ltd. -- All rights reserved. -- Copyright (C) 2007-2011, Gabriel Dos Reis. -- All rights reserved. -- -- Redistribution and use in source and binary forms, with or without -- modification, are permitted provided that the following conditions are -- met: -- -- - Redistributions of source code must retain the above copyright -- notice, this list of conditions and the following disclaimer. -- -- - Redistributions in binary form must reproduce the above copyright -- notice, this list of conditions and the following disclaimer in -- the documentation and/or other materials provided with the -- distribution. -- -- - Neither the name of The Numerical Algorithms Group Ltd. nor the -- names of its contributors may be used to endorse or promote products -- derived from this software without specific prior written permission. -- -- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS -- IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED -- TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A -- PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER -- OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, -- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, -- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR -- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF -- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING -- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS -- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. import lisplib import interop import category namespace BOOT --% Domain printing keyItem a == isDomain a => CDAR a.4 a --The item that domain checks on --Global strategy here is to maintain a list of substitutions -- ( in $Sublis), of vectors and the names that they have, -- which may be either local names ('View1') or global names ('Where1') -- The global names are remembered on $Sublis from one -- invocation of DomainPrint1 to the next DomainPrint(D,brief) == -- If brief is non-nil, %then only a summary is printed $WhereList: local := nil $Sublis: local := nil $WhereCounter: local := 1 env:= $e or $EmptyEnvironment --in case we are called from top level categoryObject? D => CategoryPrint(D,env) $Sublis:= [[keyItem D,:'original]] SAY '"-----------------------------------------------------------------------" DomainPrint1(D,nil,env) while ($WhereList) repeat s:= $WhereList $WhereList:= nil for u in s repeat TERPRI() SAY ['"Where ",first u,'" is:"] DomainPrint1(rest u,brief,env) SAY '"-----------------------------------------------------------------------" DomainPrint1(D,brief,$e) == vector? D and not isDomain D => PacPrint D if vector? D then D:= D.4 --if we were passed a vector, go to the domain Sublis:= [: [[rest u,:makeSymbol strconc('"View",STRINGIMAGE i)] for u in D for i in 1..],:$Sublis] for u in D for i in 1.. repeat brief and i>1 => nil uu:= COPY_-SEQ rest u uu.4:= '"This domain" if not brief then SAY ['"View number ",i,'" corresponding to categories:"] PRETTYPRINT first u if i=1 and vector? uu.5 then vv:= COPY_-SEQ uu.5 uu.5:= vv for j in 0..maxIndex vv repeat if vector? vv.j then l:= ASSQ(keyItem vv.j,Sublis) if l then name:= rest l else name:=DPname() Sublis:= [[keyItem vv.j,:name],:Sublis] $Sublis:= [first Sublis,:$Sublis] $WhereList:= [[name,:vv.j],:$WhereList] vv.j:= name if i>1 then uu.1:= uu.2:= uu.5:= '"As in first view" for i in 6..maxIndex uu repeat uu.i:= DomainPrintSubst(uu.i,Sublis) if vector? uu.i then name:=DPname() Sublis:= [[keyItem uu.i,:name],:Sublis] $Sublis:= [first Sublis,:$Sublis] $WhereList:= [[name,:uu.i],:$WhereList] uu.i:= name if uu.i is [.,:v] and vector? v then name:=DPname() Sublis:= [[keyItem v,:name],:Sublis] $Sublis:= [first Sublis,:$Sublis] $WhereList:= [[name,:v],:$WhereList] uu.i:= [first uu.i,:name] if brief then PRETTYPRINT uu.0 else PRETTYPRINT uu DPname() == name:= INTERNL strconc('"Where",STRINGIMAGE $WhereCounter) $WhereCounter:= $WhereCounter+1 name PacPrint v == vv:= COPY_-SEQ v for j in 0..maxIndex vv repeat if vector? vv.j then l:= ASSQ(keyItem vv.j,Sublis) if l then name:= rest l else name:=DPname() Sublis:= [[keyItem vv.j,:name],:Sublis] $Sublis:= [first Sublis,:$Sublis] $WhereList:= [[name,:vv.j],:$WhereList] vv.j:= name if cons? vv.j and vector?(u:=rest vv.j) then l:= ASSQ(keyItem u,Sublis) if l then name:= rest l else name:=DPname() Sublis:= [[keyItem u,:name],:Sublis] $Sublis:= [first Sublis,:$Sublis] $WhereList:= [[name,:u],:$WhereList] vv.j.rest := name PRETTYPRINT vv DomainPrintSubst(item,Sublis) == item is [a,:b] => c1:= DomainPrintSubst(a,Sublis) c2:= DomainPrintSubst(b,Sublis) sameObject?(c1,a) and sameObject?(c2,b) => item [c1,:c2] l:= ASSQ(item,Sublis) l => rest l l:= ASSQ(keyItem item,Sublis) l => rest l item --% Utilities mkDevaluate a == a = nil => nil a is ['QUOTE,a'] => a' = nil => nil a a = '$ => MKQ '$ a is ['%list,:.] => a.args = nil => nil a ['devaluate,a] getDomainView(domain,catform) == u:= HasCategory(domain,catform) => u c:= eval catform u:= HasCategory(domain,c.0) => u -- note: this is necessary because of domain == another domain, e.g. -- Ps are defined to be SUPs with specific arguments so that if one -- asks if a P is a Module over itself, here one has catform= (Module -- (P I)) yet domain is a SUP. By oding this evaluation, c.0=SUP as -- well and test works --- RDJ 10/31/83 throwKeyedMsg("S2IF0009",[devaluate domain, catform]) getPrincipalView domain == pview:= domain for [.,:view] in domain.4 repeat if #view > #pview then pview := view pview CategoriesFromGDC x == atom x => nil x is ['%list,a,:b] and a is ['QUOTE,a'] => union([[a']],"union"/[CategoriesFromGDC u for u in b]) x is ['QUOTE,a] and a is [b] => [a] compCategories u == atom u => u cons? u.op => error ['"compCategories: need an atom in operator position", u.op] u.op in '(Record Union Mapping) => -- There is no modemap property for these guys so do it by hand. [u.op, :[compCategories1(a,$SetCategory) for a in u.args]] u is ['SubDomain,D,.] => compCategories D v := get(u.op,'modemap,$e) atom v => error ['"compCategories: could not get proper modemap for operator",u.op] if rest v then sayBrightly ['"compCategories: ", '"%b", '"Warning", '"%d", '"ignoring unexpected stuff at end of modemap"] pp rest v -- the next line "fixes" a bad modemap which sometimes appears .... -- if rest v and null CAAAR v then v := rest v v := resolvePatternVars(first(v).mmSource, u.args) -- replaces #n forms -- select the modemap part of the first entry, and skip result etc. [u.op,:[compCategories1(a,b) for a in u.args for b in v]] compCategories1(u,v) == -- v is the mode of u atom u => u u is [":",x,t] => [u.op,x,compCategories1(t,v)] isCategoryForm(v,$e) => compCategories u [c,:.] := comp(macroExpand(u,$e),v,$e) => c error 'compCategories1 NewbFVectorCopy(u,domName) == v := newShell # u for i in 0..5 repeat vectorRef(v,i) := vectorRef(u,i) for i in 6..maxIndex v | cons? vectorRef(u,i) repeat vectorRef(v,i) := [function Undef,[domName,i],:first vectorRef(u,i)] v optFunctorBody x == atomic? x => x x is ['DomainSubstitutionMacro,parms,body] => optFunctorBody DomainSubstitutionFunction(parms,body) x is ['%list,:l] => null l => nil l:= [optFunctorBody u for u in l] and/[optFunctorBodyQuotable u for u in l] => ['QUOTE,[optFunctorBodyRequote u for u in l]] ['%list,:l] x is ['PROGN,:l] => ['PROGN,:optFunctorPROGN l] x is ['%when,:l] => l := [v for u in l | v := relevantClause u] where relevantClause u == u is [pred,:conseq] => u := [optFunctorBody pred,:optFunctorPROGN conseq] u is ['%otherwise] => nil u nil l = nil => nil CAAR l='%otherwise => (null CDAR l => nil; null CDDAR l => CADAR l; ["PROGN",:CDAR l]) null rest l and null CDAR l => --there is no meat to this conditional form pred:= CAAR l atom pred => nil first pred="HasCategory" => nil ['%when,:l] ['%when,:l] [optFunctorBody u for u in x] optFunctorBodyQuotable u == u = nil or integer? u or string? u => true atom u => false u is ['QUOTE,:.] => true false optFunctorBodyRequote u == atom u => u u is ['QUOTE,v] => v systemErrorHere ["optFunctorBodyRequote",u] optFunctorPROGN l == l is [x,:l'] => worthlessCode x => optFunctorPROGN l' l':= optFunctorBody l' l' is [nil] => [optFunctorBody x] [optFunctorBody x,:l'] l worthlessCode x == x is ['%when,:l] and (and/[x is [.,y] and worthlessCode y for x in l]) => true x is ['PROGN,:l] => (null (l':= optFunctorPROGN l) => true; false) x is ['%list] => true null x => true false cons5(p,l) == l and (CAAR l = first p) => [p,: rest l] # l < 5 => [p,:l] QCDDDDR(l).rest := nil [p,:l] setVector0(catNames,definition) == --returns code to set element 0 of the vector --to the definition of the category definition:= mkTypeForm definition for u in catNames repeat definition:= ['%store,['%tref,u,0],definition] definition setVector12 args == --The purpose of this function is to replace place holders --e.g. argument names or gensyms, by real values null args => nil args1:=args2:=args for u in $extraParms repeat --A typical element of $extraParms, which is set in --DomainSubstitutionFunction, would be (gensym) cons --(category parameter), e.g. DirectProduct(length vl,NNI) --as in DistributedMultivariatePolynomial args1:=[u.op,:args1] args2:=[u.args,:args2] freeof(categoryExports $domainShell,args1) and freeof($domainShell.2,args1) and freeof($domainShell.4,args1) => nil [['SetDomainSlots124,'$,['QUOTE,args1],['%list,:args2]]] where freeof(a,b) == atom a => null symbolMember?(a,b) freeof(first a,b) => freeof(rest a,b) false SetDomainSlots124(vec,names,vals) == l := pairList(names,vals) vectorRef(vec,1) := sublisProp(l,vectorRef(vec,1)) vectorRef(vec,2) := sublisProp(l,vectorRef(vec,2)) l:= [[a,:devaluate b] for a in names for b in vals] vectorRef(vec,4) := applySubst(l,vectorRef(vec,4)) vectorRef(vec,1) := applySubst(l,vectorRef(vec,1)) sublisProp(subst,props) == null props => nil [cp,:props']:= props (a' := inspect(cp,subst)) where inspect(cp is [a,cond,:l],subst) == cond=true => cp --keep original CONS cond is ['or,:x] => (or/[inspect(u,subst) for u in x] => [a,true,:l]; nil) cond is ["has",nam,b] and (val:= ASSQ(nam,subst)) => ev:= b is ['ATTRIBUTE,c] => HasAttribute(rest val,c) b is ['SIGNATURE,c] => HasSignature(rest val,c) isDomainForm(b,$CategoryFrame) => b=rest val HasCategory(rest val,b) ev => [a,true,:l] nil cp not a' => sublisProp(subst,props') props' := sublisProp(subst,props') sameObject?(a',cp) and sameObject?(props',rest props) => props [a',:props'] setVector3(name,instantiator) == --generates code to set element 3 of 'name' from 'instantiator' --element 3 is data structure representing category --returns a single LISP statement instantiator is ['DomainSubstitutionMacro,.,body] => setVector3(name,body) ['%store,['%tref,name,3],mkTypeForm instantiator] mkDomainFormer x == if x is ['DomainSubstitutionMacro,parms,body] then x := DomainSubstitutionFunction(parms,body) x := applySubst($extraParms,x) --The next line ensures that only one copy of this structure will --appear in the BPI being generated, thus saving (some) space x is ['Join,:.] => ['eval,['QUOTE,x]] x mkTypeForm x == atom x => mkDevaluate x x.op in '(CATEGORY mkCategory) => MKQ x x is [":",selector,dom] => ['%list,MKQ ":",MKQ selector,mkTypeForm dom] x.op is '%call => ['MKQ, optCall x] --The previous line added JHD/BMT 20/3/84 --Necessary for proper compilation of DPOLY SPAD x is [op] => op in '(Join %list) => nil MKQ x ['%list,MKQ x.op,:[mkTypeForm a for a in x.args]] setVector5(catNames,locals) == generated:= nil for u in locals for uname in catNames repeat if w:= assoc(u,generated) then w.rest := [uname,:rest w] else generated:= [[u,uname],:generated] [(w:= mkVectorWithDeferral(first u,second u); for v in rest u repeat w:= ['%store,['%tref,v,5],w]; w) for u in generated] mkVectorWithDeferral(objects,tag) == -- Construct a %vector form, but spots things that aren't safe to instantiate -- and places them at the end of $ConstantAssignments, so that they get -- called AFTER the constants of $ have been set up. JHD 26.July.89 ['%vector,: [if CONTAINED('$,u) then -- It's not safe to instantiate this now $ConstantAssignments:=[:$ConstantAssignments, ['%store,['%tref,['%tref,tag,5],count],u]] [] else u for u in objects for count in 0..]] DescendCodeAdd(base,flag) == atom base => DescendCodeVarAdd(base,flag) not (modemap:=get(opOf base,'modemap,$CategoryFrame)) => if getmode(opOf base,$e) is ["Mapping",target,:formalArgModes] then formalArgs:= take(#formalArgModes,$FormalMapVariableList) --argument substitution if parameterized? else keyedSystemError("S2OR0001",[opOf base]) DescendCodeAdd1(base,flag,target,formalArgs,formalArgModes) for [[[.,:formalArgs],target,:formalArgModes],.] in modemap repeat (ans:= DescendCodeAdd1(base,flag,target,formalArgs,formalArgModes))=> return ans ans DescendCodeAdd1(base,flag,target,formalArgs,formalArgModes) == slist := pairList(formalArgs,rest $addFormLhs) --base = comp $addFormLhs-- bound in compAdd e:= $e newModes := applySubst(slist,formalArgModes) or/[not comp(u,m,e) for u in rest $addFormLhs for m in newModes] => return nil --I should check that the actual arguments are of the right type for u in formalArgs for m in newModes repeat [.,.,e]:= compMakeDeclaration(u,m,e) --we can not substitute in the formal arguments before we comp --for that may change the shape of the object, but we must before --we match signatures cat:= (compMakeCategoryObject(target,e)).expr instantiatedBase:= genvar() n:=maxIndex cat code:= [u for i in 6..n | cons? cat.i and cons? (sig:= first cat.i) and (u:= SetFunctionSlots(applySubst(slist,sig),['ELT,instantiatedBase,i],flag, 'adding))~=nil] --The code from here to the end is designed to replace repeated LOAD/STORE --combinations (SETELT ...(ELT ..)) by MVCs where this is practicable copyvec := newShell (1+n) (for u in code repeat if update(u,copyvec,[]) then code := remove(code,u)) where update(code,copyvec,sofar) == atom code => nil code.op in '(%tref ELT) => copyvec.(third code):=union(copyvec.(third code), sofar) true code is ['%store,['%tref,name,number],u'] => update(u',copyvec,[[name,:number],:sofar]) for i in 6..n repeat for u in copyvec.i repeat [name,:count]:=u j:=i+1 while j<= MIN(n,i+63) and LASSOC(name,copyvec.j) = count+j-i repeat j:=j+1 --Maximum length of an MVC is 64 words j:=j-1 j > i+2 => for k in i..j repeat copyvec.k := remove(copyvec.k,[name,:count+k-i]) code:=[["REPLACE", name, instantiatedBase, KEYWORD::START1, count, KEYWORD::START2, i, KEYWORD::END2, j+1],:code] copyvec.i => v:=['%tref,instantiatedBase,i] for u in copyvec.i repeat [name,:count]:=u v:=['%store,['%tref,name,count],v] code:=[v,:code] [["%LET",instantiatedBase,base],:code] DescendCode(code,flag,viewAssoc,EnvToPass) == -- flag = true if we are walking down code always executed; -- otherwise set to conditions in which code=nil => nil code='%noBranch => nil isMacro(code,$e) => nil --RDJ: added 3/16/83 code is ['add,base,:codelist] => codelist:= [v for u in codelist | (v:= DescendCode(u,flag,viewAssoc,EnvToPass))~=nil] -- must do this first, to get this overriding Add code ['PROGN,:DescendCodeAdd(base,flag),:codelist] code is ['PROGN,:codelist] => ['PROGN,: --Two REVERSEs leave original order, but ensure last guy wins reverse! [v for u in reverse codelist | (v:= DescendCode(u,flag,viewAssoc,EnvToPass))~=nil]] code is ['%when,:condlist] => c:= [[u2:= ProcessCond first u,:q] for u in condlist] where q() == null u2 => nil f:= TruthP u2 => flag; TruthP flag => flag := ['NOT,u2] u2 flag := ['AND,flag,['NOT,u2]]; ['AND,flag,u2] [DescendCode(v, f, if first u is ['HasCategory,dom,cat] then [[dom,:cat],:viewAssoc] else viewAssoc,EnvToPass) for v in rest u] TruthP CAAR c => ['PROGN,:CDAR c] while (c and (last c is [c1] or last c is [c1,[]]) and (c1 = '%true or c1 is ['HasAttribute,:.])) repeat --strip out some worthless junk at the end c:=reverse! rest reverse! c null c => '(LIST) ['%when,:c] code is ["%LET",name,body,:.] => --only keep the names that are useful u:=member(name,$locals) => CONTAINED('$,body) and isDomainForm(body,$e) => --instantiate domains which depend on $ after constants are set code:=['%store,['%tref,['%tref,'$,5],#$locals-#u],code] $epilogue:= TruthP flag => [code,:$epilogue] [['%when,[ProcessCond flag,code]],:$epilogue] nil code code -- doItIf deletes entries from $locals so can't optimize this code is ['CodeDefine,sig,implem] => --Generated by doIt in COMPILER BOOT dom:= EnvToPass dom:= u:= LASSOC(dom,viewAssoc) => ['getDomainView,dom,u] dom body:= ['CONS,implem,dom] u := SetFunctionSlots(sig,body,flag,'original) -- ??? We do not resolve default definitions, yet. if not $insideCategoryPackageIfTrue then updateCapsuleDirectory([second(u).args,third u],flag) ConstantCreator u => if flag ~= true then u:= ['%when,[ProcessCond flag,u]] $ConstantAssignments:= [u,:$ConstantAssignments] nil u code is ['_:,:.] => (code.first := '%list; code.rest := nil) --Yes, I know that's a hack, but how else do you kill a line? code is ['%list,:.] => nil code is ['devaluate,:.] => nil code is ['MDEF,:.] => nil code is ['%call,:.] => code code is ['%store,:.] => code -- can be generated by doItIf stackWarning('"unknown Functor code: %1 ",[code]) code ConstantCreator u == null u => false u is ['%store,['%tref,.,.],u'] => ConstantCreator u' u is ['CONS,:.] => false true ProcessCond cond == ncond := applySubst($pairlis,cond) integer? POSN1(ncond,$NRTslot1PredicateList) => predicateBitRef ncond cond TryGDC cond == --sees if a condition can be optimised by the use of --information in $getDomainCode atom cond => cond cond is ['HasCategory,:l] => solved := nil for u in $getDomainCode while solved = nil repeat if u is ["%LET",name, =cond] then solved := name solved ~= nil => solved cond cond SetFunctionSlots(sig,body,flag,mode) == --mode is either "original" or "adding" null body => return nil u := first $catvecList for catImplem in LookUpSigSlots(sig,categoryExports u) repeat catImplem is [q,.,index] and (q='ELT or q='CONST) => if q is 'CONST and body is ['CONS,a,b] then body := ['CONS,'IDENTITY,['FUNCALL,a,b]] body:= ['%store,['%tref,'$,index],body] not vector? $SetFunctions => nil --packages don't set it if TruthP flag then -- unconditionally defined function vectorRef(u,index) := true TruthP vectorRef($SetFunctions,index) => -- the function was already assigned return body := nil vectorRef($SetFunctions,index) := TruthP flag => true not vectorRef($SetFunctions,index) => flag ['_or,vectorRef($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 ['%store,:.] => body nil LookUpSigSlots(sig,siglist) == --+ must kill any implementations below of the form (ELT $ NIL) if $insideCategoryPackageIfTrue then sig := substitute('$,second($functorForm),sig) siglist := $lisplibOperationAlist removeDuplicates [implem for u in siglist | SigSlotsMatch(sig,first u,implem:=third u) and KADDR implem] SigSlotsMatch(sig,pattern,implem) == sig=pattern => true #second sig ~= # second pattern => nil --second sig is the actual signature part first sig ~= first pattern => nil pat' := substitute($definition,'$,second pattern) sig' := substitute($definition,'$,second sig) sig' = pat' => true implem is ['Subsumed,:.] => nil sig' = pat' makeMissingFunctionEntry(alist,i) == tran applySubst(alist,$SetFunctions.i) where tran x == x is ["HasCategory",a,["QUOTE",b]] => ["has",a,b] x is [op,:l] and op in '(AND OR NOT) => [op,:[tran y for y in l]] x --% Under what conditions may views exist? InvestigateConditions catvecListMaker == -- given a principal view and a list of secondary views, -- discover under what conditions the secondary view are -- always present. $Conditions: local:= nil $principal: local := nil [$principal,:secondaries]:= catvecListMaker --We are not interested in the principal view --The next block allows for the possibility that $principal may --have conditional secondary views null secondaries => '(T) --return for packages which generally have no secondary views if $principal is [op,:.] then [principal',:.]:=compMakeCategoryObject($principal,$e) --Rather like eval, but quotes parameters first for u in second principal'.4 repeat if not TruthP(cond:=second u) then new:=['CATEGORY,'domain,['IF,cond,['ATTRIBUTE,first u], '%noBranch]] $principal is ['Join,:l] => not listMember?(new,l) => $principal:=['Join,:l,new] $principal:=['Join,$principal,new] principal' := pessimise $principal where pessimise a == atom a => a a is ['SIGNATURE,:.] => a a is ['IF,cond,:.] => if not listMember?(cond,$Conditions) then $Conditions:= [cond,:$Conditions] nil [pessimise first a,:pessimise rest a] null $Conditions => [true,:[true for u in secondaries]] PrincipalSecondaries:= getViewsConditions principal' MinimalPrimary:= first first PrincipalSecondaries MaximalPrimary:= CAAR $domainShell.4 necessarySecondaries:= [first u for u in PrincipalSecondaries | rest u=true] and/[listMember?(u,necessarySecondaries) for u in secondaries] => [true,:[true for u in secondaries]] $HackSlot4:= MinimalPrimary=MaximalPrimary => nil MaximalPrimaries:=[MaximalPrimary,:first CatEval(MaximalPrimary).4] MinimalPrimaries:=[MinimalPrimary,:first CatEval(MinimalPrimary).4] MaximalPrimaries:=S_-(MaximalPrimaries,MinimalPrimaries) [[x] for x in MaximalPrimaries] ($Conditions:= Conds($principal,nil)) where Conds(code,previous) == --each call takes a list of conditions, and returns a list --of refinements of that list atom code => [previous] code is ['DomainSubstitutionMacro,.,b] => Conds(b,previous) code is ['IF,a,b,c] => union(Conds(b,[a,:previous]),Conds(c,previous)) code is ['PROGN,:l] => "union"/[Conds(u,previous) for u in l] code is ['CATEGORY,:l] => "union"/[Conds(u,previous) for u in l] code is ['Join,:l] => "union"/[Conds(u,previous) for u in l] [previous] $Conditions := remove!([remove!(u,nil) for u in $Conditions],nil) partList:= [getViewsConditions partPessimise($principal,cond) for cond in $Conditions] masterSecondaries:= secondaries for u in partList repeat for [v,:.] in u repeat if not listMember?(v,secondaries) then secondaries:= [v,:secondaries] list:= [listMember?(u,necessarySecondaries) for u in secondaries] for u in $Conditions for newS in partList repeat --newS is a list of secondaries and conditions (over and above --u) for which they apply u:= # u=1 => first u ['AND,:u] for [v,:.] in newS repeat for v' in [v,:first CatEval(v).4] repeat if (w:=assoc(v',$HackSlot4)) then w.rest := if rest w then mkOr(u,rest w) else u (list:= update(list,u,secondaries,newS)) where update(list,cond,secondaries,newS) == (list2:= [flist(sec,newS,old,cond) for sec in secondaries for old in list]) where flist(sec,newS,old,cond) == old=true => old for [newS2,:morecond] in newS repeat old:= not AncestorP(sec,[newS2]) => old cond2:= mkAnd(cond,morecond) null old => cond2 mkOr(cond2,old) old list2 list:= [[sec,:ICformat u] for u in list for sec in secondaries] pv:= getPossibleViews $principal -- $HackSlot4 is used in SetVector4 to ensure that conditional -- extensions of the principal view are handles correctly -- here we build the code necessary to remove spurious extensions ($HackSlot4:= [reshape u for u in $HackSlot4]) where reshape u == ['%when,[TryGDC ICformat rest u], ['%otherwise,['RPLACA,'(CAR TrueDomain), ['delete,['QUOTE,first u],'(CAAR TrueDomain)]]]] $supplementaries:= [u for u in list | not listMember?(first u,masterSecondaries) and not (true=rest u) and not listMember?(first u,pv)] [true,:[LASSOC(ms,list) for ms in masterSecondaries]] ICformat u == atom u => u u is ["has",:.] => compHasFormat u u is ['AND,:l] or u is ['and,:l] => l:= removeDuplicates [ICformat v for [v,:l'] in tails l | not listMember?(v,l')] -- we could have duplicates after, even if not before # l=1 => first l l1:= first l for u in rest l repeat l1:=mkAnd(u,l1) l1 u is ['OR,:l] => (l:= ORreduce l) # l=1 => ICformat first l l:= ORreduce removeDuplicates [ICformat u for u in l] --causes multiple ANDs to be squashed, etc. -- and duplicates that have been built up by tidying (l:= Hasreduce l) where Hasreduce l == for u in l | u is ['HasCategory,name,cond] and cond is ['QUOTE, cond] repeat --check that v causes descendants to go for v in l | not (v=u) and v is ['HasCategory, =name,['QUOTE, cond2]] repeat if DescendantP(cond,cond2) then l:= remove(l,u) --v subsumes u for u in l | u is ['AND,:l'] or u is ['and,:l'] repeat for u' in l' | u' is ['HasCategory,name,cond] and cond is ['QUOTE, cond] repeat --check that v causes descendants to go for v in l | v is ['HasCategory, =name,['QUOTE, cond2]] repeat if DescendantP(cond,cond2) then l:= remove(l,u) --v subsumes u l # l=1 => first l ['OR,:l] systemErrorHere ["ICformat",u] where ORreduce l == for u in l | u is ['AND,:.] or u is ['and,:.] repeat --check that B causes (and A B) to go for v in l | not (v=u) repeat if listMember?(v,u) or (and/[member(w,u) for w in v]) then l:= remove(l,u) --v subsumes u --Note that we are ignoring AND as a component. --Convince yourself that this code still works l partPessimise(a,trueconds) == atom a => a a is ['SIGNATURE,:.] => a a is ['IF,cond,:.] => (listMember?(cond,trueconds) => a; nil) [partPessimise(first a,trueconds),:partPessimise(rest a,trueconds)] getPossibleViews u == --returns a list of all the categories that can be views of this one [vec,:.]:= compMakeCategoryObject(u,$e) or systemErrorHere ["getPossibleViews",u] views:= [first u for u in second vec.4] null vec.0 => [CAAR vec.4,:views] --* [vec.0,:views] --* --the two lines marked ensure that the principal view comes first --if you don't want it, rest it off getViewsConditions u == --returns a list of all the categories that can be views of this one --paired with the condition under which they are such views [vec,:.]:= compMakeCategoryObject(u,$e) or systemErrorHere ["getViewsConditions",u] views:= [[first u,:second u] for u in second vec.4] null vec.0 => null first vec.4 => views [[CAAR vec.4,:true],:views] --* [[vec.0,:true],:views] --* --the two lines marked ensure that the principal view comes first --if you don't want it, rest it off DescendCodeVarAdd(base,flag) == princview := first $catvecList [SetFunctionSlots(sig,substitute('ELT,'CONST,implem),flag,'adding) repeat for i in 6..maxIndex princview | princview.i is [sig:=[op,types],:.] and LASSOC([base,:substitute(base,'$,types)],get(op,'modemap,$e)) is [[pred,implem]]] resolvePatternVars(p,args) == p := applySubst(pairList($TriangleVariableList,args),p) applySubst(pairList($FormalMapVariableList,args),p) --% Code Processing Packages isCategoryPackageName nam == isDefaultPackageName opOf nam mkOperatorEntry(opSig is [op,sig,:flag],pred,count) == null flag => [opSig,pred,["ELT","$",count]] first flag="constant" => [[op,sig],pred,["CONST","$",count]] systemError ["unknown variable mode: ",flag] --% Code for encoding function names inside package or domain encodeFunctionName(fun,package is [packageName,:arglist],signature,sep,count) == signature':= MSUBST("$",package,signature) reducedSig:= mkRepititionAssoc [:rest signature',first signature'] encodedSig:= (strconc/[encodedPair for [n,:x] in reducedSig]) where encodedPair() == n=1 => encodeItem x strconc(STRINGIMAGE n,encodeItem x) encodedName:= INTERNL(getConstructorAbbreviationFromDB packageName,";", encodeItem fun,";",encodedSig, sep,STRINGIMAGE count) if $LISPLIB then $lisplibSignatureAlist:= [[encodedName,:signature'],:$lisplibSignatureAlist] encodedName ++ Return the linkage name of the local operation named `op'. encodeLocalFunctionName op == prefix := $prefix => $prefix $functorForm => getConstructorAbbreviationFromDB first $functorForm stackAndThrow('"There is no context for local function %1b",[op]) makeSymbol strconc(prefix,'";",encodeItem op) splitEncodedFunctionName(encodedName, sep) == -- [encodedPackage, encodedItem, encodedSig, sequenceNo] or nil -- sep0 is the separator used in "encodeFunctionName". sep0 := '";" if not string? encodedName then encodedName := STRINGIMAGE encodedName null (p1 := STRPOS(sep0, encodedName, 0, '"*")) => nil null (p2 := STRPOS(sep0, encodedName, p1+1, '"*")) => 'inner -- This is picked up in compile for inner functions in partial compilation null (p3 := STRPOS(sep, encodedName, p2+1, '"*")) => nil s1 := subString(encodedName, 0, p1) s2 := subString(encodedName, p1+1, p2-p1-1) s3 := subString(encodedName, p2+1, p3-p2-1) s4 := subString(encodedName, p3+1) [s1, s2, s3, s4] mkRepititionAssoc l == mkRepfun(l,1) where mkRepfun(l,n) == null l => nil l is [x] => [[n,:x]] l is [x, =x,:l'] => mkRepfun(rest l,n+1) [[n,:first l],:mkRepfun(rest l,1)] encodeItem x == x is [op,:argl] => getCaps op IDENTP x => symbolName x STRINGIMAGE x getCaps x == s:= STRINGIMAGE x clist:= [c for i in 0..maxIndex s | upperCase? (c:= s.i)] null clist => '"__" strconc/[first clist,:[L_-CASE u for u in rest clist]] --% abbreviation code getAbbreviation(name,c) == --returns abbreviation of name with c arguments x := getConstructorAbbreviationFromDB name X := ASSQ(x,$abbreviationTable) => N:= ASSQ(name,rest X) => C:= ASSQ(c,rest N) => rest C --already there newAbbreviation:= mkAbbrev(X,x) N.rest := [[c,:newAbbreviation],:rest N] newAbbreviation newAbbreviation:= mkAbbrev(X,x) X.rest := [[name,[c,:newAbbreviation]],:rest X] newAbbreviation $abbreviationTable:= [[x,[name,[c,:x]]],:$abbreviationTable] x mkAbbrev(X,x) == addSuffix(alistSize rest X,x) alistSize c == count(c,1) where count(x,level) == level=2 => #x null x => 0 count(CDAR x,level+1)+count(rest x,level) addSuffix(n,u) == s:= STRINGIMAGE u alphabetic? stringChar(s,maxIndex s) => makeSymbol strconc(s,STRINGIMAGE n) INTERNL strconc(s,STRINGIMAGE ";",STRINGIMAGE n)