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Diffstat (limited to 'src/interp/modemap.boot')
-rw-r--r-- | src/interp/modemap.boot | 574 |
1 files changed, 0 insertions, 574 deletions
diff --git a/src/interp/modemap.boot b/src/interp/modemap.boot deleted file mode 100644 index 4b7b2c13..00000000 --- a/src/interp/modemap.boot +++ /dev/null @@ -1,574 +0,0 @@ --- 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 c_-util -namespace BOOT - ---% - -$forceAdd := false - ---% EXTERNAL ROUTINES - ---These functions are called from outside this file to add a domain --- or to get the current domains in scope; - -addDomain(domain,e) == - domain isnt [.,:.] => - domain="$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 $DummyFunctorNames with CATEGORY - -- ??? so that we don't have to do this special check here. Investigate. - isQuasiquote domain => e - if not isCategoryForm(domain,e) and name ~= "Mapping" then - unknownTypeError name - e --is not a functor - -domainMember(dom,domList) == or/[modeEqual(dom,d) for d in domList] - ---% MODEMAP FUNCTIONS - -getModemap(x is [op,:.],e) == - for modemap in get(op,'modemap,e) repeat - if u:= compApplyModemap(x,modemap,e) then return - ([.,.,sl]:= u; applySubst(sl,modemap)) - -getUniqueSignature(form,e) == - [[.,:sig],:.]:= getUniqueModemap(first form,#rest form,e) or return nil - sig - -getUniqueModemap(op,numOfArgs,e) == - 1=#(mml:= getModemapList(op,numOfArgs,e)) => first mml - 1<#mml => - stackWarning('"%1 argument form of %2b has more than one modemap", - [numOfArgs,op]) - first mml - nil - -getModemapList(op,numOfArgs,e) == - op is ['elt,D,op'] => getModemapListFromDomain(op',numOfArgs,D,e) - [mm for - (mm:= [[.,.,:sigl],:.]) in get(op,'modemap,e) | numOfArgs=#sigl] - -getModemapListFromDomain(op,numOfArgs,D,e) == - [mm - for (mm:= [[dc,:sig],:.]) in get(op,'modemap,e) | dc=D and #rest sig= - numOfArgs] - - -insertModemap(new,mmList) == - null mmList => [new] ---isMoreSpecific(new,old:= first mmList) => [new,:mmList] ---[old,:insertModemap(new,rest mmList)] - [new,:mmList] - -addModemap(op,mc,sig,pred,fn,$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" - -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) - -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) - -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 $forceAdd and TruthP pred' => - entry:=nil - --the new predicate buys us nothing - return modemapList - TruthP pred => mmtail:=rest mmtail - --the thing we matched against is useless, by comparison - modemapList:= append!(reverse! newmm,[entry,:mmtail]) - entry:= nil - return modemapList - if entry then [:modemapList,entry] else modemapList - -addNewDomain(domain,e) == - augModemapsFromDomain(domain,domain,e) - -augModemapsFromDomain(name,functorForm,e) == - symbolMember?(KAR name or name,$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) - -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 - -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 - -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] - -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 - -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("$$","mode",get("$","mode",$e),$e) - opAlist:= getOperationAlist(domainName,functorForm,form) - substAlist:= substNames(domainName,viewName,functorForm,opAlist) - [substAlist,$e] - -getOperationAlist(name,functorForm,form) == - if name isnt [.,:.] and niladicConstructorFromDB name then - functorForm:= [functorForm] - (u:= isFunctor functorForm) and not - ($insideFunctorIfTrue and first functorForm=first $functorForm) => u - $insideFunctorIfTrue and name="$" => - $domainShell => categoryExports $domainShell - systemError '"$ has no shell now" - T:= compMakeCategoryObject(form,$e) => ([.,.,$e]:= T; categoryExports T.expr) - stackMessage('"not a category form: %1bp",[form]) - -substNames(domainName,viewName,functorForm,opalist) == - functorForm := substitute("$$","$", functorForm) - nameForDollar := - isCategoryPackageName functorForm => second functorForm - domainName - [[:substitute("$","$$",substitute(nameForDollar,"$",modemapform)), - [sel, viewName,if domainName = "$" then pos else - modemapform.mmTarget]] - for [:modemapform,[sel,"$",pos]] in - applySubst(pairList($FormalMapVariableList,KDR functorForm),opalist)] - -addConstructorModemaps(name,form is [functorName,:.],e) == - $InteractiveMode: local:= nil - e:= putDomainsInScope(name,e) --frame - fn := property(functorName,"makeFunctionList") - [funList,e]:= FUNCALL(fn,name,form,e) - for [op,sig,opcode] in funList repeat - if opcode is [sel,dc,n] and sel='ELT then - nsig := substitute("$$$",name,sig) - nsig := substitute('$,"$$$",substitute("$$",'$,nsig)) - opcode := [sel,dc,nsig] - e:= addModemap(op,name,sig,true,opcode,e) - e - - -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) - - - ---% 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 - - -import g_-util -namespace BOOT - -printInfo $e == - for u in get("$Information","special",$e) repeat PRETTYPRINT u - nil - -addInformation(m,$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 - -addInfo u == - $Information:= [formatInfo u,:$Information] - -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] - -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,$e) => u - b is ["ATTRIBUTE",.] => u - b is ["SIGNATURE",:.] => u - ["has",a,["ATTRIBUTE",b]] - u isnt [.,:.] => u - u is ["and",:v] => ["and",:[formatPred w for w in v]] - systemError ['"formatPred",u] - -chaseInferences(pred,$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 - $e - -hasToInfo (pred is ["has",a,b]) == - b is ["SIGNATURE",:data] => ["SIGNATURE",a,:data] - b is ["ATTRIBUTE",c] => ["ATTRIBUTE",a,c] - pred - -infoToHas a == - a is ["SIGNATURE",b,:data] => ["has",b,["SIGNATURE",:data]] - a is ["ATTRIBUTE",b,c] => ["has",b,["ATTRIBUTE",c]] - a - -++ Return true if we are certain that the information -++ denotated by `pred' is derivable from the current environment. -knownInfo pred == - pred=true => true - listMember?(pred,get("$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 - -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") - $e - systemError ['"actOnInfo",u] - -mkJoin(cat,mode) == - mode is ['Join,:cats] => ['Join,cat,:cats] - ['Join,cat,mode] - -GetValue name == - u:= get(name,"value",$e) => u - u:= comp(name,$EmptyMode,$e) => u --name may be a form - systemError [name,'" is not bound in the current environment"] - |