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|
-- Copyright (c) 1991-2002, The Numerical Algorithms Group Ltd.
-- All rights reserved.
-- Copyright (C) 2007-2010, 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 nrungo
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:=
null $e => $EmptyEnvironment
$e --in case we are called from top level
isCategory 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) ==
REFVECP D and not isDomain D => PacPrint D
if REFVECP D then D:= D.4
--if we were passed a vector, go to the domain
Sublis:=
[:
[[rest u,:INTERNL 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 REFVECP uu.5 then
vv:= COPY_-SEQ uu.5
uu.5:= vv
for j in 0..MAXINDEX vv repeat
if REFVECP 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 REFVECP 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 REFVECP 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 REFVECP 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 REFVECP(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)
EQ(c1,a) and EQ(c2,b) => item
[c1,:c2]
l:= ASSQ(item,Sublis)
l => rest l
l:= ASSQ(keyItem item,Sublis)
l => rest l
item
--% Utilities
mkDevaluate a ==
null a => nil
a is ['QUOTE,a'] => (a' => a; nil)
a='$ => MKQ '$
a is ['LIST] => nil
a is ['LIST,:.] => 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(LIST LIST a',"union"/[CategoriesFromGDC u for u in b])
x is ['QUOTE,a] and a is [b] => [a]
compCategories u ==
atom u => u
not atom first u =>
error ['"compCategories: need an atom in operator position", first u]
first u = "Record" =>
-- There is no modemap property for these guys so do it by hand.
[first u, :[[":", a.1, compCategories1(a.2,'(SetCategory))] for a in rest u]]
first u = "Union" or first u = "Mapping" =>
-- There is no modemap property for these guys so do it by hand.
[first u, :[compCategories1(a,'(SetCategory)) for a in rest u]]
u is ['SubDomain,D,.] => compCategories D
v:=get(first u,'modemap,$e)
atom v =>
error ['"compCategories: could not get proper modemap for operator",first u]
if rest v then
sayBrightly ['"compCategories: ", '%b, '"Warning", '%d,
'"ignoring unexpected stuff at end of modemap"]
pp rest v
-- the next line "fixes" a bad modemap which sometimes appears ....
--
if rest v and null CAAAR v then v:=rest v
v:= CDDAAR v
v:=resolvePatternVars(v, rest u) -- replaces #n forms
-- select the modemap part of the first entry, and skip result etc.
u:=[first u,:[compCategories1(a,b) for a in rest u for b in v]]
u
compCategories1(u,v) ==
-- v is the mode of u
atom u => u
isCategoryForm(v,$e) => compCategories u
[c,:.] := comp(macroExpand(u,$e),v,$e) => c
error 'compCategories1
NewbFVectorCopy(u,domName) ==
v:= newShell SIZE u
for i in 0..5 repeat v.i:= u.i
for i in 6..MAXINDEX v | cons? u.i repeat v.i:= [function Undef,[domName,i],:first u.i]
v
mkVector u ==
u => ['VECTOR,:u]
nil
optFunctorBody x ==
atom x => x
x is ['QUOTE,:l] => 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]]
l=rest x => x --CONS-saving hack
['LIST,:l]
x is ['PROGN,:l] => ['PROGN,:optFunctorPROGN l]
x is ['COND,:l] =>
l:=
[CondClause u for u in l | u and first u] where
CondClause [pred,:conseq] ==
[optFunctorBody pred,:optFunctorPROGN conseq]
l:= EFFACE('((QUOTE T)),l)
--delete any trailing ("T)
null l => nil
CAAR l='(QUOTE T) =>
(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 COND
pred:= CAAR l
atom pred => nil
first pred="HasCategory" => nil
['COND,:l]
['COND,:l]
[optFunctorBody u for u in x]
optFunctorBodyQuotable u ==
null u => true
NUMBERP u => true
atom u => nil
u is ['QUOTE,:.] => true
nil
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'=[nil] => [optFunctorBody x]
[optFunctorBody x,:l']
l
worthlessCode x ==
x is ['COND,: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]
LENGTH l < 5 => [p,:l]
RPLACD(QCDDDDR l,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:= ["setShellEntry",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 $extraParms, which is set in
--DomainSubstitutionFunction, would be (gensym) cons
--(category parameter), e.g. DirectProduct(length vl,NNI)
--as in DistributedMultivariatePolynomial
args1:=[first u,:args1]
args2:=[rest u,:args2]
freeof($domainShell.1,args1) and
freeof($domainShell.2,args1) and
freeof($domainShell.4,args1) => nil
[['SetDomainSlots124,'$,['QUOTE,args1],['LIST,:args2]]]
where freeof(a,b) ==
atom a => null MEMQ(a,b)
freeof(first a,b) => freeof(rest a,b)
false
SetDomainSlots124(vec,names,vals) ==
l:= PAIR(names,vals)
vec.1:= sublisProp(l,vec.1)
vec.2:= sublisProp(l,vec.2)
l:= [[a,:devaluate b] for a in names for b in vals]
vec.4:= SUBLIS(l,vec.4)
vec.1:= SUBLIS(l,vec.1)
sublisProp(subst,props) ==
null props => nil
[cp,:props']:= props
(a' := inspect(cp,subst)) where
inspect(cp is [a,cond,:l],subst) ==
cond=true => cp
--keep original CONS
cond is ['or,:x] =>
(or/[inspect(u,subst) for u in x] => [a,true,:l]; nil)
cond is ["has",nam,b] and (val:= ASSQ(nam,subst)) =>
ev:=
b is ['ATTRIBUTE,c] => HasAttribute(rest val,c)
b is ['SIGNATURE,c] => HasSignature(rest val,c)
isDomainForm(b,$CategoryFrame) => b=rest val
HasCategory(rest val,b)
ev => [a,true,:l]
nil
cp
not a' => sublisProp(subst,props')
props' := sublisProp(subst,props')
EQ(a',cp) and EQ(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)
["setShellEntry",name,3,mkTypeForm instantiator]
mkDomainFormer x ==
if x is ['DomainSubstitutionMacro,parms,body] then
x:=DomainSubstitutionFunction(parms,body)
x:=SUBLIS($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 is ['Join] => nil
x is ['LIST] => nil
x is ['CATEGORY,:.] => MKQ x
x is ['mkCategory,:.] => MKQ x
x is ['_:,selector,dom] =>
['LIST,MKQ '_:,MKQ selector,mkTypeForm dom]
x is ['Record,:argl] =>
['LIST,MKQ 'Record,:[mkTypeForm y for y in argl]]
x is ['Join,:argl] =>
['LIST,MKQ 'Join,:[mkTypeForm y for y in argl]]
x is ["%Call",:argl] => ['MKQ, optCall x]
--The previous line added JHD/BMT 20/3/84
--Necessary for proper compilation of DPOLY SPAD
x is [op] => MKQ x
x is [op,:argl] => ['LIST,MKQ op,:[mkTypeForm a for a in argl]]
setVector4(catNames,catsig,conditions) ==
if $HackSlot4 then
for ["%LET",name,cond,:.] in $getDomainCode repeat
$HackSlot4:=MSUSBT(name,cond,$HackSlot4)
code := ["setShellEntry",'$,4,'TrueDomain]
code:=['(%LET TrueDomain (nreverse TrueDomain)),:$HackSlot4,code]
code:=
[:
[setVector4Onecat(u,v,w)
for u in catNames for v in catsig for w in conditions],:code]
['(%LET TrueDomain NIL),:code]
setVector4Onecat(name,instantiator,info) ==
--generates code to create one item in the
--Alist representing a domain
--returns a single LISP expression
instantiator is ['DomainSubstitutionMacro,.,body] =>
setVector4Onecat(name,body,info)
data:=
--CAR name.4 contains all the names except itself
--hence we need to add this on, by the above CONS
['CONS,['CONS,mkTypeForm instantiator,['CAR,['ELT,name,4]]],
name]
data:= ['SETQ,'TrueDomain,['CONS,data,'TrueDomain]]
TruthP info => data
['COND,[TryGDC PrepareConditional info,data],:
Supplementaries(instantiator,name)] where
Supplementaries(instantiator,name) ==
slist:=
[u for u in $supplementaries | AncestorP(first u,[instantiator])]
null slist => nil
$supplementaries:= S_-($supplementaries,slist)
PRETTYPRINT [instantiator,'" should solve"]
PRETTYPRINT slist
slist:=
[form(u,name) for u in slist] where
form([cat,:cond],name) ==
u:= ['QUOTE,[cat,:first eval(cat).4]]
['COND,[TryGDC cond,['SETQ,'TrueDomain,['CONS,['CONS,u,name],
'TrueDomain]]]]
LENGTH slist=1 => [CADAR slist]
--return a list, since it is CONSed
slist:= ['PROGN,:slist]
[['(QUOTE T),slist]]
setVector4part3(catNames,catvecList) ==
--the names are those that will be applied to the various vectors
generated:= nil
for u in catvecList for uname in catNames repeat
for v in third u.4 repeat
if w:= assoc(first v,generated)
then w.rest := [[rest v,:uname],:rest w]
else generated:= [[first v,[rest v,:uname]],:generated]
codeList := nil
for [w,:u] in generated repeat
code := compCategories w
for v in u repeat
code:= ["setShellEntry",rest v,first v,code]
if CONTAINED('$,w) then $epilogue := [code,:$epilogue]
else codeList := [code,:codeList]
codeList
PrepareConditional u == u
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:= ["setShellEntry",v,5,w];
w)
for u in generated]
mkVectorWithDeferral(objects,tag) ==
-- Basically a mkVector, 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,
["setShellEntry",
["getShellEntry", 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:= SUBLIS(slist,formalArgModes)
or/[not comp(u,m,e) for u in rest $addFormLhs for m in newModes] =>
return nil
--I should check that the actual arguments are of the right type
for u in formalArgs for m in newModes repeat
[.,.,e]:= compMakeDeclaration(u,m,e)
--we can not substitute in the formal arguments before we comp
--for that may change the shape of the object, but we must before
--we match signatures
cat:= (compMakeCategoryObject(target,e)).expr
instantiatedBase:= GENVAR()
n:=MAXINDEX cat
code:=
[u
for i in 6..n | not atom cat.i and not atom (sig:= first cat.i)
and
(u:=
SetFunctionSlots(SUBLIS(slist,sig),['ELT,instantiatedBase,i],flag,
'adding))~=nil]
--The code from here to the end is designed to replace repeated LOAD/STORE
--combinations (SETELT ...(ELT ..)) by MVCs where this is practicable
copyvec := newShell (1+n)
(for u in code repeat
if update(u,copyvec,[]) then code:=delete(u,code))
where update(code,copyvec,sofar) ==
atom code =>nil
QCAR code in '(getShellEntry ELT QREFELT) =>
copyvec.(third code):=union(copyvec.(third code), sofar)
true
code is [x,name,number,u'] and x in '(setShellEntry SETELT QSETREFV) =>
update(u',copyvec,[[name,:number],:sofar])
for i in 6..n repeat
for u in copyvec.i repeat
[name,:count]:=u
j:=i+1
while j<= MIN(n,i+63) and LASSOC(name,copyvec.j) = count+j-i repeat j:=j+1
--Maximum length of an MVC is 64 words
j:=j-1
j > i+2 =>
for k in i..j repeat copyvec.k:=delete([name,:count+k-i],copyvec.k)
code:=[["REPLACE", name, instantiatedBase,
KEYWORD::START1, count,
KEYWORD::START2, i,
KEYWORD::END2, j+1],:code]
copyvec.i =>
v:=["getShellEntry",instantiatedBase,i]
for u in copyvec.i repeat
[name,:count]:=u
v:=["setShellEntry",name,count,v]
code:=[v,:code]
[["%LET",instantiatedBase,base],:code]
DescendCode(code,flag,viewAssoc,EnvToPass) ==
-- flag = true if we are walking down code always executed;
-- otherwise set to conditions in which
code=nil => nil
code='%noBranch => nil
isMacro(code,$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
nreverse [v for u in reverse codelist |
(v:= DescendCode(u,flag,viewAssoc,EnvToPass))~=nil]]
code is ['COND,: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 = '(QUOTE T) or c1 is ['HasAttribute,:.])) repeat
--strip out some worthless junk at the end
c:=nreverse rest nreverse c
null c => '(LIST)
['COND,: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:=["setShellEntry",["getShellEntry",'$,5],#$locals-#u,code]
$epilogue:=
TruthP flag => [code,:$epilogue]
[['COND,[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(rest u, flag)
ConstantCreator u =>
if not (flag=true) then u:= ['COND,[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 ["setShellEntry",:.] => code -- can be generated by doItIf
code is ['SETELT,:.] => systemErrorHere ["DescendCode",code]
code is ['QSETREFV,:.] => systemErrorHere ["DescendCode",code]
stackWarning('"unknown Functor code: %1 ",[code])
code
ConstantCreator u ==
null u => false
u is [q,.,.,u'] and (q in '(setShellEntry SETELT QSETREFV)) =>
ConstantCreator u'
u is ['CONS,:.] => false
true
ProcessCond cond ==
ncond := SUBLIS($pairlis,cond)
integer? POSN1(ncond,$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 $getDomainCode | not solved repeat
if u is ["%LET",name, =cond] then solved:= name
solved => solved
cond
cond
SetFunctionSlots(sig,body,flag,mode) == --mode is either "original" or "adding"
catNames := ['$]
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
nil
LookUpSigSlots(sig,siglist) ==
--+ must kill any implementations below of the form (ELT $ NIL)
if $insideCategoryPackageIfTrue then
sig := substitute('$,second($functorForm),sig)
siglist := $lisplibOperationAlist
REMDUP [implem for u in siglist | SigSlotsMatch(sig,first u,implem:=third u)
and KADDR implem]
SigSlotsMatch(sig,pattern,implem) ==
sig=pattern => true
#second sig ~= # second pattern => nil
--second sig is the actual signature part
first sig ~= first pattern => nil
pat' := substitute($definition,'$,second pattern)
sig' := substitute($definition,'$,second sig)
sig' = pat' => true
implem is ['Subsumed,:.] => nil
sig' = pat'
makeMissingFunctionEntry(alist,i) ==
tran SUBLIS(alist,$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 member(new,l) =>
$principal:=['Join,:l,new]
$principal:=['Join,$principal,new]
principal' :=
pessimise $principal where
pessimise a ==
atom a => a
a is ['SIGNATURE,:.] => a
a is ['IF,cond,:.] =>
if not member(cond,$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/[member(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:= EFFACE(nil,[EFFACE(nil,u) for u in $Conditions])
partList:=
[getViewsConditions partPessimise($principal,cond) for cond in $Conditions]
masterSecondaries:= secondaries
for u in partList repeat
for [v,:.] in u repeat
if not member(v,secondaries) then secondaries:= [v,:secondaries]
(list:= [mkNilT member(u,necessarySecondaries) for u in secondaries]) where
mkNilT u ==
u => true
nil
for u in $Conditions for newS in partList repeat
--newS is a list of secondaries and conditions (over and above
--u) for which they apply
u:=
LENGTH u=1 => first u
['AND,:u]
for [v,:.] in newS repeat
for v' in [v,:first CatEval(v).4] repeat
if (w:=assoc(v',$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 ==
['COND,[TryGDC ICformat rest u],
['(QUOTE T),['RPLACA,'(CAR TrueDomain),
['delete,['QUOTE,first u],'(CAAR TrueDomain)]]]]
$supplementaries:=
[u
for u in list | not member(first u,masterSecondaries)
and not (true=rest u) and not member(first u,pv)]
[true,:[LASSOC(ms,list) for ms in masterSecondaries]]
ICformat u ==
atom u => u
u is ["has",:.] => compHasFormat u
u is ['AND,:l] or u is ['and,:l] =>
l:= REMDUP [ICformat v for [v,:l'] in tails l | not member(v,l')]
-- we could have duplicates after, even if not before
LENGTH l=1 => first l
l1:= first l
for u in rest l repeat
l1:=mkAnd(u,l1)
l1
u is ['OR,:l] =>
(l:= ORreduce l)
LENGTH l=1 => ICformat first l
l:= ORreduce REMDUP [ICformat u for u in l]
--causes multiple ANDs to be squashed, etc.
-- and duplicates that have been built up by tidying
(l:= Hasreduce l) where
Hasreduce l ==
for u in l | u is ['HasCategory,name,cond] and cond is ['QUOTE,
cond] repeat
--check that v causes descendants to go
for v in l | not (v=u) and v is ['HasCategory, =name,['QUOTE,
cond2]] repeat if DescendantP(cond,cond2) then l:= delete(u,l)
--v subsumes u
for u in l | u is ['AND,:l'] or u is ['and,:l'] repeat
for u' in l' | u' is ['HasCategory,name,cond] and cond is ['QUOTE,
cond] repeat
--check that v causes descendants to go
for v in l | v is ['HasCategory, =name,['QUOTE,
cond2]] repeat if DescendantP(cond,cond2) then l:= delete(u,l)
--v subsumes u
l
LENGTH l=1 => first l
['OR,:l]
systemErrorHere ["ICformat",u]
where
ORreduce l ==
for u in l | u is ['AND,:.] or u is ['and,:.] repeat
--check that B causes (and A B) to go
for v in l | not (v=u) repeat
if member(v,u) or (and/[member(w,u) for w in v]) then l:=
delete(u,l)
--v subsumes u
--Note that we are ignoring AND as a component.
--Convince yourself that this code still works
l
partPessimise(a,trueconds) ==
atom a => a
a is ['SIGNATURE,:.] => a
a is ['IF,cond,:.] => (member(cond,trueconds) => a; nil)
[partPessimise(first a,trueconds),:partPessimise(rest a,trueconds)]
getPossibleViews u ==
--returns a list of all the categories that can be views of this one
[vec,:.]:= compMakeCategoryObject(u,$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 := SUBLISLIS(args, $TriangleVariableList, p)
SUBLISLIS(args, $FormalMapVariableList, p)
--% Code Processing Packages
isCategoryPackageName nam ==
p := PNAME opOf nam
p.(MAXINDEX p) = char '_&
mkOperatorEntry(opSig is [op,sig,:flag],pred,count) ==
null flag => [opSig,pred,["ELT","$",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 $functorForm
stackAndThrow('"There is no context for local function %1b",[op])
INTERN strconc(prefix,'";",encodeItem op)
splitEncodedFunctionName(encodedName, sep) ==
-- [encodedPackage, encodedItem, encodedSig, sequenceNo] or NIL
-- sep0 is the separator used in "encodeFunctionName".
sep0 := '";"
if not string? encodedName then
encodedName := STRINGIMAGE encodedName
null (p1 := STRPOS(sep0, encodedName, 0, '"*")) => nil
null (p2 := STRPOS(sep0, encodedName, p1+1, '"*")) => 'inner
-- This is picked up in compile for inner functions in partial compilation
null (p3 := STRPOS(sep, encodedName, p2+1, '"*")) => nil
s1 := SUBSTRING(encodedName, 0, p1)
s2 := SUBSTRING(encodedName, p1+1, p2-p1-1)
s3 := SUBSTRING(encodedName, p2+1, p3-p2-1)
s4 := SUBSTRING(encodedName, p3+1, nil)
[s1, s2, s3, s4]
mkRepititionAssoc l ==
mkRepfun(l,1) where
mkRepfun(l,n) ==
null l => nil
l is [x] => [[n,:x]]
l is [x, =x,:l'] => mkRepfun(rest l,n+1)
[[n,:first l],:mkRepfun(rest l,1)]
encodeItem x ==
x is [op,:argl] => getCaps op
IDENTP x => PNAME x
STRINGIMAGE x
getCaps x ==
s:= STRINGIMAGE x
clist:= [c for i in 0..MAXINDEX s | UPPER_-CASE_-P (c:= s.i)]
null clist => '"__"
strconc/[first clist,:[L_-CASE u for u in rest clist]]
--% abbreviation code
getAbbreviation(name,c) ==
--returns abbreviation of name with c arguments
x := constructor? name
X := ASSQ(x,$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) ==
ALPHA_-CHAR_-P((s:= STRINGIMAGE u).(MAXINDEX s)) =>
INTERN strconc(s,STRINGIMAGE n)
INTERNL strconc(s,STRINGIMAGE ";",STRINGIMAGE n)
|