diff options
author | dos-reis <gdr@axiomatics.org> | 2011-08-18 18:52:21 +0000 |
---|---|---|
committer | dos-reis <gdr@axiomatics.org> | 2011-08-18 18:52:21 +0000 |
commit | fea57eea4b944b37ea5c08579195e6afc83cee7b (patch) | |
tree | 268e0caf6867f44a9de88db6181c6c9a896184ec /src/interp/define.boot | |
parent | 1c30041fd6a1115dbf0ed7373e570d6ca0ef81a9 (diff) | |
download | open-axiom-fea57eea4b944b37ea5c08579195e6afc83cee7b.tar.gz |
* interp/momdemap.boot: Fold content into compiler.boot and
define.boot. Remove.
* Makefile.in: Adjust dependencies.
Diffstat (limited to 'src/interp/define.boot')
-rw-r--r-- | src/interp/define.boot | 502 |
1 files changed, 501 insertions, 1 deletions
diff --git a/src/interp/define.boot b/src/interp/define.boot index 59577423..b1feafef 100644 --- a/src/interp/define.boot +++ b/src/interp/define.boot @@ -33,8 +33,8 @@ import nruncomp import g_-error +import c_-util import database -import modemap namespace BOOT @@ -66,6 +66,10 @@ $doNotCompileJustPrint := false ++ stack of pending capsule function definitions. $capsuleFunctionStack := [] +--% + +$forceAdd := false + $functionStats := nil $functorStats := nil @@ -112,6 +116,250 @@ $subdomain := false compDefineAddSignature: (%Form,%Sig,%Env) -> %Env +--% ADDINFORMATION CODE +--% This code adds various items to the special value of $Information, +--% in order to keep track of all the compiler's information about +--% various categories and similar objects +--% An actual piece of (unconditional) information can have one of 3 forms: +--% (ATTRIBUTE domainname attribute) +--% --These are only stored here +--% (SIGNATURE domainname operator signature) +--% --These are also stored as 'modemap' properties +--% (has domainname categoryexpression) +--% --These are also stored as 'value' properties +--% Conditional attributes are of the form +--% (%when +--% (condition info info ...) +--% ... ) +--% where the condition looks like a 'has' clause, or the 'and' of several +--% 'has' clauses: +--% (has name categoryexpression) +--% (has name (ATTRIBUTE attribute)) +--% (has name (SIGNATURE operator signature)) +--% The use of two representations is admitted to be clumsy + + +liftCond (clause is [ante,conseq]) == + conseq is ['%when,:l] => + [[lcAnd(ante,a),:b] for [a,:b] in l] where + lcAnd(pred,conj) == + conj is ["and",:ll] => ["and",pred,:ll] + ["and",pred,conj] + [clause] + +formatPred u == + --Assumes that $e is set up to point to an environment + u is ["has",a,b] => + b isnt [.,:.] and isCategoryForm([b],$e) => ["has",a,[b]] + b isnt [.,:.] => ["has",a,["ATTRIBUTE",b]] + isCategoryForm(b,$e) => u + b is ["ATTRIBUTE",.] => u + b is ["SIGNATURE",:.] => u + ["has",a,["ATTRIBUTE",b]] + u isnt [.,:.] => u + u is ["and",:v] => ["and",:[formatPred w for w in v]] + systemError ['"formatPred",u] + +formatInfo u == + u isnt [.,:.] => u + u is ["SIGNATURE",:v] => ["SIGNATURE","$",:v] + u is ["PROGN",:l] => ["PROGN",:[formatInfo v for v in l]] + u is ["ATTRIBUTE",v] => + + -- The parser can't tell between those attributes that really + -- are attributes, and those that are category names + v isnt [.,:.] and isCategoryForm([v],$e) => ["has","$",[v]] + v isnt [.,:.] => ["ATTRIBUTE","$",v] + isCategoryForm(v,$e) => ["has","$",v] + ["ATTRIBUTE","$",v] + u is ["IF",a,b,c] => + c="%noBranch" => ['%when,:liftCond [formatPred a,formatInfo b]] + b="%noBranch" => ['%when,:liftCond [["not",formatPred a],formatInfo c]] + ['%when,:liftCond [formatPred a,formatInfo b],: + liftCond [["not",formatPred a],formatInfo c]] + systemError ['"formatInfo",u] + +addInfo u == + $Information:= [formatInfo u,:$Information] + +addInformation(m,$e) == + $Information: local := nil + info m where + info m == + --Processes information from a mode declaration in compCapsule + m isnt [.,:.] => nil + m is ["CATEGORY",.,:stuff] => for u in stuff repeat addInfo u + m is ["Join",:stuff] => for u in stuff repeat info u + nil + $e:= + put("$Information","special",[:$Information,: + get("$Information","special",$e)],$e) + $e + +hasToInfo (pred is ["has",a,b]) == + b is ["SIGNATURE",:data] => ["SIGNATURE",a,:data] + b is ["ATTRIBUTE",c] => ["ATTRIBUTE",a,c] + pred + +++ Return true if we are certain that the information +++ denotated by `pred' is derivable from the current environment. +knownInfo pred == + pred=true => true + listMember?(pred,get("$Information","special",$e)) => true + pred is ["OR",:l] => or/[knownInfo u for u in l] + pred is ["AND",:l] => and/[knownInfo u for u in l] + pred is ["or",:l] => or/[knownInfo u for u in l] + pred is ["and",:l] => and/[knownInfo u for u in l] + pred is ["ATTRIBUTE",name,attr] => + v := compForMode(name,$EmptyMode,$e) or return + stackAndThrow('"can't find category of %1pb",[name]) + [vv,.,.] := compMakeCategoryObject(v.mode,$e) or return + stackAndThrow('"can't make category of %1pb",[name]) + listMember?(attr,categoryAttributes vv) => true + x := assoc(attr,categoryAttributes vv) => knownInfo second x + --format is a list of two elements: information, predicate + false + pred is ["has",name,cat] => + cat is ["ATTRIBUTE",:a] => knownInfo ["ATTRIBUTE",name,:a] + cat is ["SIGNATURE",:a] => knownInfo ["SIGNATURE",name,:a] + -- unnamed category expressions imply structural checks. + cat is ["Join",:.] => and/[knownInfo ["has",name,c] for c in cat.args] + cat is ["CATEGORY",.,:atts] => + and/[knownInfo hasToInfo ["has",name,att] for att in atts] + name is ['Union,:.] => false + -- we have a named category expression + v:= compForMode(name,$EmptyMode,$e) or return + stackAndThrow('"can't find category of %1pb",[name]) + vmode := v.mode + cat = vmode => true + vmode is ["Join",:l] and listMember?(cat,l) => true + [vv,.,.]:= compMakeCategoryObject(vmode,$e) or return + stackAndThrow('"cannot find category %1pb",[vmode]) + listMember?(cat,categoryPrincipals vv) => true --checks princ. ancestors + (u:=assoc(cat,categoryAncestors vv)) and knownInfo second u => true + -- previous line checks fundamental anscestors, we should check their + -- principal anscestors but this requires instantiating categories + + or/[AncestorP(cat,[first u]) + for u in categoryAncestors vv | knownInfo second u] => true + false + pred is ["SIGNATURE",name,op,sig,:.] => + v:= get(op,"modemap",$e) + for w in v repeat + ww := w.mmSignature --the actual signature part + ww = sig => + w.mmCondition = true => return true + false + --error '"knownInfo" + false + +mkJoin(cat,mode) == + mode is ['Join,:cats] => ['Join,cat,:cats] + ['Join,cat,mode] + + +GetValue name == + u:= get(name,"value",$e) => u + u:= comp(name,$EmptyMode,$e) => u --name may be a form + systemError [name,'" is not bound in the current environment"] + +actOnInfo(u,$e) == + null u => $e + u is ["PROGN",:l] => (for v in l repeat $e:= actOnInfo(v,$e); $e) + $e:= + put("$Information","special",Info:= [u,:get("$Information","special",$e)],$e + ) + u is ['%when,:l] => + --there is nowhere %else that this sort of thing exists + for [ante,:conseq] in l repeat + if listMember?(hasToInfo ante,Info) then for v in conseq repeat + $e:= actOnInfo(v,$e) + $e + u is ["ATTRIBUTE",name,att] => + [vval,vmode,.]:= GetValue name + compilerMessage('"augmenting %1: %2p", [name,["ATTRIBUTE",att]]) + key := + -- FIXME: there should be a better to tell whether name + -- designates a domain, as opposed to a package + CONTAINED("$",vmode) => 'domain + 'package + cat := ["CATEGORY",key,["ATTRIBUTE",att]] + $e:= put(name,"value",[vval,mkJoin(cat,vmode),nil],$e) + --there is nowhere %else that this sort of thing exists + u is ["SIGNATURE",name,operator,modemap,:q] => + kind := + q is ["constant"] => "CONST" + "ELT" + implem:= + (implem:=ASSOC([name,:modemap],get(operator,'modemap,$e))) => + CADADR implem + name = "$" => [kind,name,-1] + [kind,name,substitute('$,name,modemap)] + $e:= addModemap(operator,name,modemap,true,implem,$e) + [vval,vmode,.]:= GetValue name + compilerMessage('"augmenting %1: %2p", + [name,["SIGNATURE",operator,modemap,:q]]) + key := + -- FIXME: there should be a better to tell whether name + -- designates a domain, as opposed to a package + CONTAINED("$",vmode) => 'domain + 'package + cat:= ["CATEGORY",key,["SIGNATURE",operator,modemap,:q]] + $e:= put(name,"value",[vval,mkJoin(cat,vmode),nil],$e) + u is ["has",name,cat] => + [vval,vmode,.]:= GetValue name + cat=vmode => $e --stating the already known + u:= compMakeCategoryObject(cat,$e) => + --we are adding information about a category + [catvec,.,$e]:= u + [ocatvec,.,$e]:= compMakeCategoryObject(vmode,$e) + + --we are adding a principal descendant of what was already known + listMember?(cat,categoryPrincipals ocatvec) or + assoc(cat,categoryAncestors ocatvec) is [.,"T",.] => $e + --what was being asserted is an ancestor of what was known + if name="$" + then $e:= augModemapsFromCategory(name,name,name,cat,$e) + else + genDomainView(name,name,cat,"HasCategory") + -- a domain upgrade at function level is local to that function. + if not $insideCapsuleFunctionIfTrue and + not symbolMember?(name,$functorLocalParameters) then + $functorLocalParameters:=[:$functorLocalParameters,name] + compilerMessage('"augmenting %1: %2p", [name,cat]) + $e:= put(name,"value",[vval,mkJoin(cat,vmode),nil],$e) + SAY("extension of ",vval," to ",cat," ignored") + $e + systemError ['"actOnInfo",u] + +infoToHas a == + a is ["SIGNATURE",b,:data] => ["has",b,["SIGNATURE",:data]] + a is ["ATTRIBUTE",b,c] => ["has",b,["ATTRIBUTE",c]] + a + +chaseInferences(pred,$e) == + foo hasToInfo pred where + foo pred == + knownInfo pred => nil + $e:= actOnInfo(pred,$e) + pred:= infoToHas pred + for u in get("$Information","special",$e) repeat + u is ['%when,:l] => + for [ante,:conseq] in l repeat + ante=pred => [foo w for w in conseq] + ante is ["and",:ante'] and listMember?(pred,ante') => + ante':= remove(ante',pred) + v':= + # ante'=1 => first ante' + ["and",:ante'] + v':= ['%when,[v',:conseq]] + listMember?(v',get("$Information","special",$e)) => nil + $e:= + put("$Information","special",[v',: + get("$Information","special",$e)],$e) + nil + $e + --% --======================================================================= @@ -859,6 +1107,219 @@ predicatesFromAttributes: %List %Form -> %List %Form predicatesFromAttributes attrList == removeDuplicates [second x for x in attrList] +getModemap(x is [op,:.],e) == + for modemap in get(op,'modemap,e) repeat + if u:= compApplyModemap(x,modemap,e) then return + ([.,.,sl]:= u; applySubst(sl,modemap)) + +addModemap(op,mc,sig,pred,fn,$e) == + $InteractiveMode => $e + if knownInfo pred then pred:=true + $insideCapsuleFunctionIfTrue => + $CapsuleModemapFrame := + addModemap0(op,mc,sig,pred,fn,$CapsuleModemapFrame) + $e + addModemap0(op,mc,sig,pred,fn,$e) + +addModemapKnown(op,mc,sig,pred,fn,$e) == + $insideCapsuleFunctionIfTrue => + $CapsuleModemapFrame := + addModemap0(op,mc,sig,pred,fn,$CapsuleModemapFrame) + $e + addModemap0(op,mc,sig,pred,fn,$e) + +addModemap0(op,mc,sig,pred,fn,e) == + --mc is the "mode of computation"; fn the "implementation" + --fn is ['Subsumed,:.] => e -- don't skip subsumed modemaps + -- breaks -:($,$)->U($,failed) in DP + op='elt or op='setelt => addEltModemap(op,mc,sig,pred,fn,e) + addModemap1(op,mc,sig,pred,fn,e) + +addEltModemap(op,mc,sig,pred,fn,e) == + --hack to change selectors from strings to identifiers; and to + --add flag identifiers as literals in the envir + op='elt and sig is [:lt,sel] => + string? sel => + id:= makeSymbol sel + if $insideCapsuleFunctionIfTrue + then $e:= makeLiteral(id,$e) + else e:= makeLiteral(id,e) + addModemap1(op,mc,[:lt,id],pred,fn,e) + -- sel isnt [.,:.] => systemErrorHere '"addEltModemap" + addModemap1(op,mc,sig,pred,fn,e) + op='setelt and sig is [:lt,sel,v] => + string? sel => + id:= makeSymbol sel + if $insideCapsuleFunctionIfTrue + then $e:= makeLiteral(id,$e) + else e:= makeLiteral(id,e) + addModemap1(op,mc,[:lt,id,v],pred,fn,e) + -- sel isnt [.,:.] => systemError '"addEltModemap" + addModemap1(op,mc,sig,pred,fn,e) + systemErrorHere '"addEltModemap" + +mergeModemap(entry is [[mc,:sig],[pred,:.],:.],modemapList,e) == + for (mmtail:= [[[mc',:sig'],[pred',:.],:.],:.]) in tails modemapList repeat + mc=mc' or isSubset(mc,mc',e) => + newmm:= nil + mm:= modemapList + while (not sameObject?(mm,mmtail)) repeat (newmm:= [first mm,:newmm]; mm:= rest mm) + if (mc=mc') and (sig=sig') then + --We only need one of these, unless the conditions are hairy + not $forceAdd and TruthP pred' => + entry:=nil + --the new predicate buys us nothing + return modemapList + TruthP pred => mmtail:=rest mmtail + --the thing we matched against is useless, by comparison + modemapList:= append!(reverse! newmm,[entry,:mmtail]) + entry:= nil + return modemapList + if entry then [:modemapList,entry] else modemapList + +insertModemap(new,mmList) == + null mmList => [new] +--isMoreSpecific(new,old:= first mmList) => [new,:mmList] +--[old,:insertModemap(new,rest mmList)] + [new,:mmList] + +mkNewModemapList(mc,sig,pred,fn,curModemapList,e,filenameOrNil) == + entry:= [map:= [mc,:sig],[pred,fn],:filenameOrNil] + listMember?(entry,curModemapList) => curModemapList + (oldMap:= assoc(map,curModemapList)) and oldMap is [.,[opred, =fn],:.] => + $forceAdd => mergeModemap(entry,curModemapList,e) + opred=true => curModemapList + if pred ~= true and pred ~= opred then pred:= ["OR",pred,opred] + [if x=oldMap then [map,[pred,fn],:filenameOrNil] else x + + --if new modemap less general, put at end; otherwise, at front + for x in curModemapList] + $InteractiveMode => insertModemap(entry,curModemapList) + mergeModemap(entry,curModemapList,e) + +addModemap1(op,mc,sig,pred,fn,e) == + --mc is the "mode of computation"; fn the "implementation" + if mc="Rep" then sig := substituteDollarIfRepHack sig + currentProplist:= getProplist(op,e) or nil + newModemapList:= + mkNewModemapList(mc,sig,pred,fn,symbolLassoc('modemap,currentProplist),e,nil) + newProplist:= augProplist(currentProplist,'modemap,newModemapList) + newProplist':= augProplist(newProplist,"FLUID",true) + unErrorRef op + --There may have been a warning about op having no value + addBinding(op,newProplist',e) + +getDomainsInScope e == + $insideCapsuleFunctionIfTrue => $CapsuleDomainsInScope + get("$DomainsInScope","special",e) + +putDomainsInScope(x,e) == + l:= getDomainsInScope e + if $verbose and listMember?(x,l) then + sayBrightly ['" Note: Domain ",x," already in scope"] + newValue := [x,:remove(l,x)] + $insideCapsuleFunctionIfTrue => ($CapsuleDomainsInScope:= newValue; e) + put("$DomainsInScope","special",newValue,e) + +getOperationAlist(name,functorForm,form) == + if name isnt [.,:.] and niladicConstructorFromDB name then + functorForm:= [functorForm] + (u:= isFunctor functorForm) and not + ($insideFunctorIfTrue and first functorForm=first $functorForm) => u + $insideFunctorIfTrue and name="$" => + $domainShell => categoryExports $domainShell + systemError '"$ has no shell now" + T:= compMakeCategoryObject(form,$e) => ([.,.,$e]:= T; categoryExports T.expr) + stackMessage('"not a category form: %1bp",[form]) + +substNames(domainName,viewName,functorForm,opalist) == + functorForm := substitute("$$","$", functorForm) + nameForDollar := + isCategoryPackageName functorForm => second functorForm + domainName + [[:substitute("$","$$",substitute(nameForDollar,"$",modemapform)), + [sel, viewName,if domainName = "$" then pos else + modemapform.mmTarget]] + for [:modemapform,[sel,"$",pos]] in + applySubst(pairList($FormalMapVariableList,KDR functorForm),opalist)] + +evalAndSub(domainName,viewName,functorForm,form,$e) == + $lhsOfColon: local:= domainName + categoryObject? form => + [substNames(domainName,viewName,functorForm,categoryExports form),$e] + --next lines necessary-- see MPOLY for which $ is actual arg. --- RDJ 3/83 + if CONTAINED("$$",form) then $e:= put("$$","mode",get("$","mode",$e),$e) + opAlist:= getOperationAlist(domainName,functorForm,form) + substAlist:= substNames(domainName,viewName,functorForm,opAlist) + [substAlist,$e] + +augModemapsFromCategory(domainName,domainView,functorForm,categoryForm,e) == + [fnAlist,e]:= evalAndSub(domainName,domainView,functorForm,categoryForm,e) + -- catform:= (categoryObject? categoryForm => categoryForm.0; categoryForm) + -- catform appears not to be used, so why set it? + --if not $InteractiveMode then + compilerMessage('"Adding %1p modemaps",[domainName]) + e:= putDomainsInScope(domainName,e) + condlist:=[] + for [[op,sig,:.],cond,fnsel] in fnAlist repeat + e:= addModemapKnown(op,domainName,sig,cond,fnsel,e) -- cond was cond1 + e + +addConstructorModemaps(name,form is [functorName,:.],e) == + $InteractiveMode: local:= nil + e:= putDomainsInScope(name,e) --frame + fn := property(functorName,"makeFunctionList") + [funList,e]:= FUNCALL(fn,name,form,e) + for [op,sig,opcode] in funList repeat + if opcode is [sel,dc,n] and sel='ELT then + nsig := substitute("$$$",name,sig) + nsig := substitute('$,"$$$",substitute("$$",'$,nsig)) + opcode := [sel,dc,nsig] + e:= addModemap(op,name,sig,true,opcode,e) + e + +augModemapsFromDomain1(name,functorForm,e) == + property(KAR functorForm,"makeFunctionList") => + addConstructorModemaps(name,functorForm,e) + functorForm isnt [.,:.] and (catform := getmode(functorForm,e)) => + augModemapsFromCategory(name,name,functorForm,catform,e) + mappingForm := getmodeOrMapping(KAR functorForm,e) => + ["Mapping",categoryForm,:functArgTypes] := mappingForm + catform := substituteCategoryArguments(rest functorForm,categoryForm) + augModemapsFromCategory(name,name,functorForm,catform,e) + stackMessage('"%1pb is an unknown mode",[functorForm]) + e + +AMFCR_,redefinedList(op,l) == "OR"/[AMFCR_,redefined(op,u) for u in l] + +AMFCR_,redefined(opname,u) == + not(u is [op,:l]) => nil + op = 'DEF => opname = CAAR l + op in '(PROGN SEQ) => AMFCR_,redefinedList(opname,l) + op = '%when => "OR"/[AMFCR_,redefinedList(opname,rest u) for u in l] + +substituteCategoryArguments(argl,catform) == + argl := substitute("$$","$",argl) + arglAssoc := [[INTERNL("#",STRINGIMAGE i),:a] for i in 1.. for a in argl] + applySubst(arglAssoc,catform) + + --Called, by compDefineFunctor, to add modemaps for $ that may + --be equivalent to those of Rep. We must check that these + --operations are not being redefined. +augModemapsFromCategoryRep(domainName,repDefn,functorBody,categoryForm,e) == + [fnAlist,e]:= evalAndSub(domainName,domainName,domainName,categoryForm,e) + [repFnAlist,e]:= evalAndSub("Rep","Rep",repDefn,getmode(repDefn,e),e) + catform:= (categoryObject? categoryForm => categoryForm.0; categoryForm) + compilerMessage('"Adding %1p modemaps",[domainName]) + e:= putDomainsInScope(domainName,e) + for [lhs:=[op,sig,:.],cond,fnsel] in fnAlist repeat + u:=assoc(substitute("Rep",domainName,lhs),repFnAlist) + u and not AMFCR_,redefinedList(op,functorBody) => + fnsel' := third u + e:= addModemap(op,domainName,sig,cond,fnsel',e) + e:= addModemap(op,domainName,sig,cond,fnsel,e) + e + ++ Subroutine of inferConstructorImplicitParameters. typeDependencyPath(m,path,e) == ident? m and assoc(m,$whereDecls) => @@ -1360,6 +1821,45 @@ getSignatureFromMode(form,e) == candidateSignatures(op,nmodes,slot1) == [sig for [[=op,sig,:.],:.] in slot1 | #sig = nmodes] +domainMember(dom,domList) == + or/[modeEqual(dom,d) for d in domList] + +augModemapsFromDomain(name,functorForm,e) == + symbolMember?(KAR name or name,$DummyFunctorNames) => e + name = $Category or isCategoryForm(name,e) => e + listMember?(name,getDomainsInScope e) => e + if super := superType functorForm then + e := addNewDomain(super,e) + if name is ["Union",:dl] then for d in stripUnionTags dl + repeat e:= addDomain(d,e) + augModemapsFromDomain1(name,functorForm,e) + +addNewDomain(domain,e) == + augModemapsFromDomain(domain,domain,e) + +addDomain(domain,e) == + domain isnt [.,:.] => + domain="$EmptyMode" => e + domain="$NoValueMode" => e + not ident? domain or 2 < #(s:= STRINGIMAGE domain) and + char "#" = stringChar(s,0) and char "#" = stringChar(s,1) => e + symbolMember?(domain,getDomainsInScope e) => e + isLiteral(domain,e) => e + addNewDomain(domain,e) + (name:= first domain)='Category => e + domainMember(domain,getDomainsInScope e) => e + getmode(name,e) is ["Mapping",target,:.] and isCategoryForm(target,e)=> + addNewDomain(domain,e) + -- constructor? test needed for domains compiled with $bootStrapMode=true + isFunctor name or constructor? name => addNewDomain(domain,e) + -- ??? we should probably augment $DummyFunctorNames with CATEGORY + -- ??? so that we don't have to do this special check here. Investigate. + isQuasiquote domain => e + if not isCategoryForm(domain,e) and name ~= "Mapping" then + unknownTypeError name + e --is not a functor + + ++ We are compiling a capsule function definition with head given by `form'. ++ Determine whether the function with possibly partial signature `opsig' ++ is exported. Return the complete signature if yes; otherwise |