aboutsummaryrefslogtreecommitdiff
path: root/src/interp/pf2atree.boot.pamphlet
diff options
context:
space:
mode:
authordos-reis <gdr@axiomatics.org>2007-10-19 04:46:50 +0000
committerdos-reis <gdr@axiomatics.org>2007-10-19 04:46:50 +0000
commitd34a01104fa6d8156a29d0e5d810e12823cba02d (patch)
tree3f208e01e8def08a2cad9c70091e23597a816552 /src/interp/pf2atree.boot.pamphlet
parent50e8b4a4c699b3a783aa400a62f021c129ff4305 (diff)
downloadopen-axiom-d34a01104fa6d8156a29d0e5d810e12823cba02d.tar.gz
remove more pamphlets
Diffstat (limited to 'src/interp/pf2atree.boot.pamphlet')
-rw-r--r--src/interp/pf2atree.boot.pamphlet575
1 files changed, 0 insertions, 575 deletions
diff --git a/src/interp/pf2atree.boot.pamphlet b/src/interp/pf2atree.boot.pamphlet
deleted file mode 100644
index 29e85ad1..00000000
--- a/src/interp/pf2atree.boot.pamphlet
+++ /dev/null
@@ -1,575 +0,0 @@
-\documentclass{article}
-\usepackage{axiom}
-\begin{document}
-\title{\$SPAD/src/interp pf2atree.boot}
-\author{The Axiom Team}
-\maketitle
-\begin{abstract}
-\end{abstract}
-\eject
-\tableofcontents
-\eject
-\section{License}
-<<license>>=
--- Copyright (c) 1991-2002, The Numerical ALgorithms Group Ltd.
--- 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.
-
-@
-<<*>>=
-<<license>>
-
--- not hooked in yet
-
--- BB parser tree to interpreter vectorized attributed trees.
--- Used to interface the BB parser
--- technology to the interpreter. The input is a parseTree and the
--- output is an interpreter attributed tree.
-
-SETANDFILEQ($useParserSrcPos, true)
-SETANDFILEQ($transferParserSrcPos, true)
-
-pf2Sexpr pf == packageTran (pf2Sex1)(pf)
-
-pf2Atree pf ==
- (intUnsetQuiet)()
-
- $insideRule: local := false
- $insideApplication: local := false
- $insideSEQ: local := false
-
- -- we set the following because we will be using some things
- -- within pf2sex.boot and they are in the spadcomp package.
-
- ($insideRule): local := false
- ($insideApplication): local := false
- ($insideSEQ): local := false
-
- pf2Atree1 pf
-
-pf2Atree1 pf ==
- -- some simple things that are really just S-expressions
-
- (pfNothing?)(pf) =>
- mkAtree1WithSrcPos(pf2Sexpr(pf), pf)
- (pfSymbol?) pf =>
- mkAtree1WithSrcPos(pf2Sexpr(pf), pf)
- (pfLiteral?)(pf) =>
- mkAtree1WithSrcPos(pf2Sexpr(pf), pf)
- (pfId?) pf =>
- mkAtree1WithSrcPos(pf2Sexpr(pf), pf)
-
- -- Now some compound forms
-
- (pfApplication?)(pf) =>
- pfApplication2Atree pf
-
- (pfTuple?)(pf) =>
- [mkAtreeNodeWithSrcPos("Tuple",pf),
- :[pf2Atree1 x for x in (pf0TupleParts)(pf)]]
-
- (pfIf?)(pf) =>
- condPf := (pfIfCond)(pf)
- condPart := pf2Atree1 condPf
- thenPart := pf2Atree1 (pfIfThen)(pf)
- elsePart := pf2Atree1 (pfIfElse)(pf)
- ifPart := mkAtreeNodeWithSrcPos("IF", pf)
- thenPart = "noBranch" =>
- [ifPart, [mkAtreeNodeWithSrcPos("not", condPf), condPart],
- elsePart, thenPart]
- [ifPart, condPart, thenPart, elsePart]
-
- (pfTagged?)(pf) =>
- tag := (pfTaggedTag)(pf)
- tagPart :=
- (pfTuple?) tag =>
- ["Tuple", :[pf2Sexpr(arg) for arg in (pf0TupleParts)(tag)]]
- pf2Sexpr(tag)
- [mkAtreeNodeWithSrcPos("Declare",pf), tagPart,
- pf2Sexpr((pfTaggedExpr)(pf))]
-
- (pfCoerceto?)(pf) =>
- [mkAtreeNodeWithSrcPos("COERCE",pf),
- pf2Atree1 (pfCoercetoExpr)(pf),
- pf2Sexpr((pfCoercetoType)(pf))]
-
- (pfPretend?)(pf) =>
- [mkAtreeNodeWithSrcPos("pretend",pf),
- pf2Atree1 (pfPretendExpr)(pf),
- pf2Sexpr((pfPretendType)(pf))]
-
- (pfFromdom?)(pf) =>
- op := packageTran (opTran)(pf2Sexpr((pfFromdomWhat)(pf)))
- if op = "braceFromCurly" then op := "SEQ" -- ??
-
- op = 0 =>
- -- 0$Foo => Zero()$Foo
- [mkAtreeNodeWithSrcPos("Dollar",pf),
- pf2Sexpr((pfFromdomDomain)(pf)),
- [mkAtreeNodeWithSrcPos("Zero",pf)]]
- op = 1 =>
- -- 1$Foo => One()$Foo
- [mkAtreeNodeWithSrcPos("Dollar",pf),
- pf2Sexpr((pfFromdomDomain)(pf)),
- [mkAtreeNodeWithSrcPos("One",pf)]]
- INTEGERP op =>
- -- n$Foo => n * One()$Foo
- [mkAtreeNodeWithSrcPos("*",pf),
- mkAtree1WithSrcPos(op,pf),
- [mkAtreeNodeWithSrcPos("Dollar",pf),
- pf2Sexpr((pfFromdomDomain)(pf)),
- [mkAtreeNodeWithSrcPos("One",pf)]]]
-
- [mkAtreeNodeWithSrcPos("Dollar",pf),
- pf2Sexpr((pfFromdomDomain)(pf)),
- mkAtreeNodeWithSrcPos(op,pf)]
-
- (pfSequence?)(pf) =>
- pfSequence2Atree pf
-
- (pfExit?)(pf) =>
- $insideSEQ =>
- [mkAtreeNodeWithSrcPos("exit",pf),
- pf2Atree1 (pfExitCond)(pf),
- pf2Atree1 (pfExitExpr)(pf)]
- [mkAtreeNodeWithSrcPos("IF",pf),
- pf2Atree1 (pfExitCond)(pf),
- pf2Atree1 (pfExitExpr)(pf), "noBranch"]
-
- (pfLoop?)(pf) =>
- [mkAtreeNodeWithSrcPos("REPEAT",pf),
- :loopIters2Atree (pf0LoopIterators)(pf)]
-
- (pfCollect?)(pf) =>
- pfCollect2Atree(pf)
-
- (pfForin?)(pf) =>
- ["IN", :[pf2Atree1 x for x in (pf0ForinLhs)(pf)],
- pf2Atree1 (pfForinWhole)(pf)]
-
- (pfWhile?)(pf) =>
- ["WHILE", pf2Atree1((pfWhileCond)(pf))]
-
- (pfSuchthat?)(pf) =>
- $insideRule = 'left =>
- keyedSystemError('"S2GE0017", ['"pf2Atree1: pfSuchThat"])
- ["SUCHTHAT", pf2Atree1 (pfSuchthatCond)(pf)]
-
- (pfDo?)(pf) =>
- pf2Atree1 (pfDoBody)(pf)
-
--- (pfTyped?)(pf) =>
--- type := pfTypedType pf
--- pfNothing? type => pf2Atree1 pfTypedId pf
--- [":", pf2Atree1 pfTypedId pf, pf2Atree1 pfTypedType pf]
-
- (pfAssign?)(pf) =>
- -- declarations on the lhs are broken out into another
- -- statement preceding the LET of the id(s)
- lhsThings := (pf0AssignLhsItems)(pf)
- if #lhsThings = 1 and (pfTuple?)(first lhsThings) then
- lhsThings := (pf0TupleParts)(first lhsThings)
- decls := nil
- ids := nil
- for x in lhsThings repeat
- (pfTagged?)(x) =>
- decls := [x, :decls]
- ids := [(pfTaggedTag)(x), :ids]
- ids := [x, :ids]
- idList := [pf2Atree1 x for x in reverse ids]
- if #idList ^= 1 then idList :=
- [mkAtreeNodeWithSrcPos("Tuple",pf), :idList]
- else idList := first idList
- x := [mkAtreeNodeWithSrcPos("LET",pf),
- idList, pf2Atree1 (pfAssignRhs)(pf)]
- decls =>
- [mkAtreeNodeWithSrcPos("SEQ",pf),
- :[pf2Atree1 decl for decl in nreverse decls], x]
- x
-
--- (pfDefinition?)(pf) =>
--- pfDefinition2Atree pf
-
--- (pfLambda?)(pf) =>
--- pfLambda2Atree pf
--- (pfRestrict?)(pf) =>
--- ["@", pf2Atree1 pfRestrictExpr pf, pf2Atree1 pfRestrictType pf]
-
- (pfFree?)(pf) =>
- [mkAtreeNodeWithSrcPos("free",pf),
- :[pf2Atree1 item for item in (pf0FreeItems)(pf)]]
- (pfLocal?)(pf) =>
- [mkAtreeNodeWithSrcPos("local",pf),
- :[pf2Atree1 item for item in (pf0LocalItems)(pf)]]
-
- (pfWrong?)(pf) =>
- spadThrow()
-
- -- next 3 are probably be handled in pfApplication2Atree
-
- (pfAnd?)(pf) =>
- [mkAtreeNodeWithSrcPos("and",pf),
- pf2Atree1 (pfAndLeft)(pf),
- pf2Atree1 (pfAndRight)(pf)]
- (pfOr?)(pf) =>
- [mkAtreeNodeWithSrcPos("or",pf),
- pf2Atree1 (pfOrLeft)(pf),
- pf2Atree1 (pfOrRight)(pf)]
- (pfNot?)(pf) =>
- [mkAtreeNodeWithSrcPos("not",pf),
- pf2Atree1 (pfNotArg)(pf)]
-
--- (pfNovalue?)(pf) =>
--- intSetQuiet()
--- ["SEQ", pf2Atree1 pfNovalueExpr pf]
--- (pfRule?)(pf) =>
--- pfRule2Atree pf
-
- (pfBreak?)(pf) =>
- [mkAtreeNodeWithSrcPos("break",pf), (pfBreakFrom)(pf)]
-
- (pfMacro?)(pf) =>
- tree := mkAtree1WithSrcPos('(void), pf)
- putValue(tree,objNewWrap(voidValue(),$Void))
- putModeSet(tree,[$Void])
- tree
-
- (pfReturn?)(pf) =>
- [mkAtreeNodeWithSrcPos("return",pf),
- pf2Atree1 (pfReturnExpr)(pf)]
-
- (pfIterate?)(pf) =>
- [mkAtreeNodeWithSrcPos("iterate",pf)]
-
--- (pfWhere?)(pf) =>
--- args := [pf2Atree1 p for p in pf0WhereContext pf]
--- #args = 1 =>
--- ["where", pf2Atree1 pfWhereExpr pf, :args]
--- ["where", pf2Atree1 pfWhereExpr pf, ["SEQ", :args]]
-
- mkAtree1WithSrcPos(pf2Sexpr(pf), pf)
-
--- keyedSystemError('"S2GE0017", ['"pf2Atree1"])
---
-
-pfApplication2Atree pf ==
- $insideApplication: local := true
- ($insideApplication): local := true
-
- opPf := (pfApplicationOp)(pf)
- op := packageTran ((opTran)(pfOp2Sex)(opPf))
- op = "->" =>
- args := (pf0TupleParts)((pfApplicationArg)(pf))
- if (pfTuple?)(CAR args) then
- typeList := [pf2Atree1 arg for arg in (pf0TupleParts)(CAR args)]
- else
- typeList := [pf2Atree1 CAR args]
- args := [pf2Atree1 CADR args, :typeList]
- [mkAtreeNodeWithSrcPos("Mapping", opPf), :args]
-
- (symEqual)(op, '":") and $insideRule = 'left =>
- [mkAtreeNodeWithSrcPos("multiple",opPf),
- pf2Atree (pfApplicationArg)(pf)]
-
- (symEqual)(op, '"?") and $insideRule = 'left =>
- [mkAtreeNodeWithSrcPos("optional",opPf),
- pf2Atree (pfApplicationArg)(pf)]
-
- args := (pfApplicationArg)(pf)
-
- (pfTuple?)(args) =>
---! symEqual(op, '"|") and $insideRule = 'left =>
---! pfSuchThat2Atree args
- argAtree := [pf2Atree1 arg for arg in (pf0TupleParts)(args)]
-
- (symEqual)(op, '">") =>
- [mkAtreeNodeWithSrcPos("<",opPf), :reverse(argAtree)]
- (symEqual)(op, '">=") =>
- [mkAtreeNodeWithSrcPos("not",opPf),
- [mkAtreeNodeWithSrcPos("<",opPf), :argAtree]]
- (symEqual)(op, '"<=") =>
- [mkAtreeNodeWithSrcPos("not",opPf),
- [mkAtreeNodeWithSrcPos("<",opPf), :reverse(argAtree)]]
- (symEqual)(op, '"AND") =>
- [mkAtreeNodeWithSrcPos("and",opPf), :argAtree]
- (symEqual)(op, '"OR") =>
- [mkAtreeNodeWithSrcPos("or",opPf), :argAtree]
- (symEqual) (op, '"Iterate") =>
- [mkAtreeNodeWithSrcPos("iterate",opPf)]
- (symEqual)(op, '"by") =>
- [mkAtreeNodeWithSrcPos("BY",opPf), :argAtree]
- (symEqual)(op, '"braceFromCurly") =>
- argAtree and getUnname first argAtree = "SEQ" => argAtree
- [mkAtreeNodeWithSrcPos("SEQ",opPf), :argAtree]
- op is [qt, realOp] and (symEqual)(qt, '"QUOTE") =>
- [mkAtreeNodeWithSrcPos("applyQuote",opPf),
- mkAtreeNodeWithSrcPos(op,opPf), :argAtree]
---! val := (hasOptArgs?)(argSex) => [op, :val]
- -- handle package call
- (pfFromdom?)(opPf) =>
- opAtree := pf2Atree1 opPf
- [CAR opAtree, CADR opAtree, [CADDR opAtree, :argAtree]]
- -- regular call
- [mkAtreeNodeWithSrcPos(op,opPf), :argAtree]
-
- op is [qt, realOp] and (symEqual)(qt, '"QUOTE") =>
- [mkAtreeNodeWithSrcPos("applyQuote",opPf),
- mkAtreeNodeWithSrcPos(op,opPf), pf2Atree1 args]
- (symEqual)(op, '"braceFromCurly") =>
- x := pf2Atree1 args
- x and getUnname x = "SEQ" => x
- [mkAtreeNodeWithSrcPos("SEQ",opPf), x]
- (symEqual)(op, '"by") =>
- [mkAtreeNodeWithSrcPos("BY",opPf), pf2Atree1 args]
- -- handle package call
- (pfFromdom?)(opPf) =>
- opAtree := pf2Atree1 opPf
- [CAR opAtree, CADR opAtree, [CADDR opAtree, pf2Atree1 args]]
- -- regular call
- [mkAtreeNodeWithSrcPos(op,opPf), pf2Atree1 args]
-
--- pfDefinition2Atree pf ==
--- --! $insideApplication =>
--- --! ["OPTARG", pf2Atree1 CAR pf0DefinitionLhsItems pf,
--- --! pf2Atree1 pfDefinitionRhs pf]
--- idList := [pf2Atree1 x for x in (pf0DefinitionLhsItems)(pf)]
--- #idList ^= 1 =>
--- systemError '"lhs of definition must be a single item in the interpreter"
--- id := first idList
--- rhs := (pfDefinitionRhs)(pf)
--- [argList, :body] := pfLambdaTran rhs
--- ["DEF", (argList = 'id => id; [id, :argList]), :body]
-
--- pfLambdaTran pf ==
--- pfLambda? pf =>
--- argTypeList := nil
--- argList := nil
--- for arg in pf0LambdaArgs pf repeat
--- pfTyped? arg =>
--- argList := [pfCollectArgTran pfTypedId arg, :argList]
--- pfNothing? pfTypedType arg =>
--- argTypeList := [nil, :argTypeList]
--- argTypeList := [pf2Atree1 pfTypedType arg, :argTypeList]
--- systemError '"definition args should be typed"
--- argList := nreverse argList
--- retType :=
--- pfNothing? pfLambdaRets pf => nil
--- pf2Atree1 pfLambdaRets pf
--- argTypeList := [retType, :nreverse argTypeList]
--- [argList, :[argTypeList, [nil for arg in argTypeList],
--- pf2Atree1 pfLambdaBody pf]]
--- ['id, :['(()), '(()), pf2Atree1 pf]]
---
--- pfLambda2Atree pf ==
--- [argList, :body] := pfLambdaTran pf
--- ["ADEF", argList, :body]
---
--- pfCollectArgTran pf ==
--- pfCollect? pf =>
--- conds := [pf2Atree1 x for x in pfParts pfCollectIterators pf]
--- id := pf2Atree1 pfCollectBody pf
--- conds is [["|", cond]] =>
--- ["|", id, cond]
--- [id, :conds]
--- pf2Atree1 pf
---
-
-pfSequence2Atree pf ==
- $insideSEQ: local := true
- ($insideSEQ): local := true
-
- seq := pfSequence2Atree0([pf2Atree1 x for x in (pf0SequenceArgs)(pf)], pf)
- seqSex := (pfSequence2Sex0)([pf2Sexpr(x) for x in (pf0SequenceArgs)(pf)])
- seqSex is ["SEQ", :ruleList] and ruleList is [["rule", :.], :.] =>
- [mkAtreeNodeWithSrcPos("ruleset",pf),
- [mkAtreeNodeWithSrcPos("construct",pf), :rest seq]]
- seq
-
-pfSequence2Atree0(seqList, pf) ==
- null seqList => "noBranch"
- seqTranList := []
- while seqList ^= nil repeat
- item := first seqList
- item is [exitVal, cond, value] and getUnname(exitVal) = "exit" =>
- item := [mkAtreeNodeWithSrcPos("IF",pf), cond, value,
- pfSequence2Atree0(rest seqList, pf)]
- seqTranList := [item, :seqTranList]
- seqList := nil
- seqTranList := [item ,:seqTranList]
- seqList := rest seqList
- #seqTranList = 1 => first seqTranList
- [mkAtreeNodeWithSrcPos("SEQ",pf), :nreverse seqTranList]
-
---
--- float2Atree num ==
--- eIndex := SEARCH('"e", num)
--- mantPart :=
--- eIndex => SUBSEQ(num, 0, eIndex)
--- num
--- expPart := (eIndex => READ_-FROM_-STRING SUBSEQ(num, eIndex+1); 0)
--- dotIndex := SEARCH('".", mantPart)
--- intPart :=
--- dotIndex => READ_-FROM_-STRING SUBSEQ(mantPart, 0, dotIndex)
--- READ_-FROM_-STRING mantPart
--- fracPartString :=
--- dotIndex => SUBSEQ(mantPart, dotIndex+1)
--- '"0"
--- bfForm := MAKE_-FLOAT(intPart, READ_-FROM_-STRING fracPartString,
--- LENGTH fracPartString, expPart)
--- [., frac, :exp] := bfForm
--- [["$elt", intNewFloat(), 'float], frac, exp, 10]
---
-
-loopIters2Atree iterList ==
- -- could probably do a better job of getting accurate SrcPos info onto parts
- result := nil
- for iter in iterList repeat
- -- ON and UNTIL forms are no longer supported
- sex := pf2Sexpr(iter)
- sex is ['IN, var, ['SEGMENT, i, ["BY", incr]]] =>
- newIter := ["STEP", var, mkAtree1WithSrcPos(i,iter),
- mkAtree1WithSrcPos(incr, iter)]
- result := [newIter, :result]
- sex is ['IN, var, ["BY", ['SEGMENT, i, j], incr]] =>
- newIter := ["STEP", var, mkAtree1WithSrcPos(i,iter),
- mkAtree1WithSrcPos(incr, iter), mkAtree1WithSrcPos(j,iter)]
- result := [newIter, :result]
- sex is ['IN, var, ['SEGMENT, i, j]] =>
- newIter := ["STEP", var, mkAtree1WithSrcPos(i,iter),
- mkAtree1WithSrcPos(1,iter), mkAtree1WithSrcPos(j,iter)]
- result := [newIter, :result]
- sex is ['IN, var, s] =>
- newIter := ["IN", var, mkAtree1 s]
- result := [newIter, :result]
- result := [pf2Atree1(iter), :result]
- nreverse result
-
-pfCollect2Atree pf ==
- atree := [mkAtree1WithSrcPos("COLLECT",pf),
- :loopIters2Atree (pfParts)((pfCollectIterators)(pf)),
- pf2Atree1 (pfCollectBody)(pf)]
-
- -- next are for what appears to a parser screw-up
- sex := ["COLLECT",
- :(loopIters2Sex)((pfParts)((pfCollectIterators)(pf))),
- pf2Sexpr (pfCollectBody)(pf)]
- sex is ["COLLECT", ["|", cond], var] and SYMBOLP var =>
- [., [., condAtree], varAtree] := atree
- ["SUCHTHAT", varAtree, condAtree]
-
- atree
-
---
--- pfRule2Atree pf ==
--- $quotedOpList:local := nil
--- $predicateList:local := nil
--- $multiVarPredicateList:local := nil
--- lhs := pfLhsRule2Atree pfRuleLhsItems pf
--- rhs := pfRhsRule2Atree pfRuleRhs pf
--- lhs := ruleLhsTran lhs
--- rulePredicateTran
--- $quotedOpList => ["rule", lhs, rhs, ["construct", :$quotedOpList]]
--- ["rule", lhs, rhs]
---
---
--- ruleLhsTran ruleLhs ==
--- for pred in $predicateList repeat
--- [name, predLhs, :predRhs] := pred
--- vars := patternVarsOf predRhs
--- CDR vars => -- if there is more than one patternVariable
--- ruleLhs := NSUBST(predLhs, name, ruleLhs)
--- $multiVarPredicateList := [pred, :$multiVarPredicateList]
--- predicate :=
--- [., var] := predLhs
--- ["suchThat", predLhs, ["ADEF", [var],
--- '((Boolean) (Expression (Integer))), '(() ()), predRhs]]
--- ruleLhs := NSUBST(predicate, name, ruleLhs)
--- ruleLhs
---
--- rulePredicateTran rule ==
--- null $multiVarPredicateList => rule
--- varList := patternVarsOf [rhs for [.,.,:rhs] in $multiVarPredicateList]
--- predBody :=
--- CDR $multiVarPredicateList =>
--- ['AND, :[:pvarPredTran(rhs, varList) for [.,.,:rhs] in
--- $multiVarPredicateList]]
--- [[.,.,:rhs],:.] := $multiVarPredicateList
--- pvarPredTran(rhs, varList)
--- ['suchThat, rule,
--- ['construct, :[["QUOTE", var] for var in varList]],
--- ['ADEF, '(predicateVariable),
--- '((Boolean) (List (Expression (Integer)))), '(() ()),
--- predBody]]
---
--- pvarPredTran(rhs, varList) ==
--- for var in varList for i in 1.. repeat
--- rhs := NSUBST(['elt, 'predicateVariable, i], var, rhs)
--- rhs
---
--- patternVarsOf expr ==
--- patternVarsOf1(expr, nil)
---
--- patternVarsOf1(expr, varList) ==
--- NULL expr => varList
--- ATOM expr =>
--- null SYMBOLP expr => varList
--- SymMemQ(expr, varList) => varList
--- [expr, :varList]
--- expr is [op, :argl] =>
--- for arg in argl repeat
--- varList := patternVarsOf1(arg, varList)
--- varList
--- varList
---
--- pfLhsRule2Atree lhs ==
--- $insideRule: local := 'left
--- ($insideRule): local := 'left
--- pf2Atree1 lhs
---
---
--- pfRhsRule2Atree rhs ==
--- $insideRule: local := 'right
--- ($insideRule): local := 'right
--- pf2Atree1 rhs
---
-
--- pfSuchThat2Atree args ==
--- name := GENTEMP()
--- argList := pf0TupleParts args
--- lhsSex := pf2Atree1 CAR argList
--- rhsSex := pf2Atree CADR argList
--- $predicateList := [[name, lhsSex, :rhsSex], :$predicateList]
--- name
-@
-\eject
-\begin{thebibliography}{99}
-\bibitem{1} nothing
-\end{thebibliography}
-\end{document}