* interp/c-util.boot (categoryRef, domainRef, canonicalForm)

	(instantiatorCtor, instantiatorArgs, categoryExports): New.

19 files changed, 117 insertions, 110 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index a6f84486..1a6c0202 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2011-05-02  Gabriel Dos Reis  <gdr@cs.tamu.edu>
+
+	* interp/c-util.boot (categoryRef, domainRef, canonicalForm)
+	(instantiatorCtor, instantiatorArgs, categoryExports): New.
+
 2011-05-01  Gabriel Dos Reis  <gdr@cs.tamu.edu>
 
 	* boot/parser.boot (bpDefinition): Accept macro definition
diff --git a/src/interp/Makefile.in b/src/interp/Makefile.in
index 8ee22543..ebef3356 100644
--- a/src/interp/Makefile.in
+++ b/src/interp/Makefile.in
@@ -65,62 +65,48 @@ OBJS=   boot-pkg.$(FASLEXT)	types.$(FASLEXT)	 \
 	union.$(FASLEXT)	sys-macros.$(FASLEXT)	 \
 	macros.$(FASLEXT)	metalex.$(FASLEXT)	 \
 	parsing.$(FASLEXT)	util.$(FASLEXT)		 \
-	unlisp.$(FASLEXT)	\
-	astr.$(FASLEXT)	bits.$(FASLEXT)	\
+	unlisp.$(FASLEXT)	g-util.$(FASLEXT)	\
+	g-opt.$(FASLEXT)	c-util.$(FASLEXT)	\
+	astr.$(FASLEXT)		bits.$(FASLEXT)		\
 	ht-util.$(FASLEXT)	bc-util.$(FASLEXT)	\
-	br-search.$(FASLEXT)	\
-	alql.$(FASLEXT)	buildom.$(FASLEXT)	\
-	g-util.$(FASLEXT)	hashcode.$(FASLEXT) \
+	br-search.$(FASLEXT)	alql.$(FASLEXT)		\
+	buildom.$(FASLEXT)	hashcode.$(FASLEXT)	\
 	simpbool.$(FASLEXT)	g-timer.$(FASLEXT)	\
 	cattable.$(FASLEXT)	posit.$(FASLEXT)	\
-	cformat.$(FASLEXT)		\
-	clam.$(FASLEXT)	        \
+	cformat.$(FASLEXT)	clam.$(FASLEXT)		\
 	clammed.$(FASLEXT)	nlib.$(FASLEXT)	        \
-	comp.$(FASLEXT)	        foam_l.$(FASLEXT) \
-	pathname.$(FASLEXT)	\
-	compat.$(FASLEXT)	                    	\
+	comp.$(FASLEXT)	        foam_l.$(FASLEXT) 	\
+	pathname.$(FASLEXT)	compat.$(FASLEXT)      	\
 	serror.$(FASLEXT)	ptrees.$(FASLEXT)	\
 	cparse.$(FASLEXT)	cstream.$(FASLEXT)	\
 	g-cndata.$(FASLEXT)	database.$(FASLEXT)	\
 	debug.$(FASLEXT)	dq.$(FASLEXT)		\
 	fname.$(FASLEXT)	format.$(FASLEXT)	\
-	g-error.$(FASLEXT)	g-opt.$(FASLEXT)	\
-	ggreater.$(FASLEXT)				\
-	hypertex.$(FASLEXT)	\
-	i-object.$(FASLEXT)	i-analy.$(FASLEXT)	\
-	                  	i-resolv.$(FASLEXT)	\
-	i-coerce.$(FASLEXT)	\
-	i-coerfn.$(FASLEXT)	i-eval.$(FASLEXT)	\
-	i-funsel.$(FASLEXT)	\
+	g-error.$(FASLEXT)	ggreater.$(FASLEXT)	\
+	hypertex.$(FASLEXT)	i-object.$(FASLEXT)	\
+	i-analy.$(FASLEXT)	i-resolv.$(FASLEXT)	\
+	i-coerce.$(FASLEXT)	i-coerfn.$(FASLEXT)	\
+	i-eval.$(FASLEXT)	i-funsel.$(FASLEXT)	\
 	i-intern.$(FASLEXT)	i-map.$(FASLEXT)	\
-	i-output.$(FASLEXT)	\
-	i-special.$(FASLEXT)				\
-	                    	i-syscmd.$(FASLEXT)	\
-	i-toplev.$(FASLEXT)	i-util.$(FASLEXT)	\
-	incl.$(FASLEXT)	int-top.$(FASLEXT)	\
-	intfile.$(FASLEXT)	c-util.$(FASLEXT)	\
+	i-output.$(FASLEXT)	i-special.$(FASLEXT)	\
+	i-syscmd.$(FASLEXT)	i-toplev.$(FASLEXT)	\
+	i-util.$(FASLEXT)	incl.$(FASLEXT)		\
+	int-top.$(FASLEXT)	intfile.$(FASLEXT)	\
 	lisplib.$(FASLEXT)	macex.$(FASLEXT)	\
-	match.$(FASLEXT)				\
-	monitor.$(FASLEXT)	msg.$(FASLEXT)		\
-	msgdb.$(FASLEXT)	\
+	match.$(FASLEXT)	monitor.$(FASLEXT)	\
+	msg.$(FASLEXT)		msgdb.$(FASLEXT)	\
 	newaux.$(FASLEXT)	newfort.$(FASLEXT)	\
-	nrunfast.$(FASLEXT)	\
-	osyscmd.$(FASLEXT)	\
-	packtran.$(FASLEXT)	\
-	pf2sex.$(FASLEXT)	\
+	nrunfast.$(FASLEXT)	osyscmd.$(FASLEXT)	\
+	packtran.$(FASLEXT)	pf2sex.$(FASLEXT)	\
 	scan.$(FASLEXT)		pile.$(FASLEXT)		\
-	property.$(FASLEXT)	\
-	postpar.$(FASLEXT)	parse.$(FASLEXT)	\
-	spad-parser.$(FASLEXT) \
-	record.$(FASLEXT)				\
-	rulesets.$(FASLEXT)	\
-	server.$(FASLEXT)				\
-	setvars.$(FASLEXT)	\
+	property.$(FASLEXT)	postpar.$(FASLEXT)	\
+	parse.$(FASLEXT)	spad-parser.$(FASLEXT) \
+	record.$(FASLEXT)	rulesets.$(FASLEXT)	\
+	server.$(FASLEXT)	setvars.$(FASLEXT)	\
 	sfsfun-l.$(FASLEXT)	sfsfun.$(FASLEXT)	\
 	slam.$(FASLEXT)		fnewmeta.$(FASLEXT)	\
 	preparse.$(FASLEXT)	bootlex.$(FASLEXT)	\
-	spad.$(FASLEXT)	\
-	spaderror.$(FASLEXT)				\
+	spad.$(FASLEXT)		spaderror.$(FASLEXT)	\
 	                       	termrw.$(FASLEXT)	\
 	trace.$(FASLEXT)	daase.$(FASLEXT)  	\
 	fortcall.$(FASLEXT) 	i-parser.$(FASLEXT) 	\
@@ -329,8 +315,8 @@ i-coerce.$(FASLEXT): i-analy.$(FASLEXT) i-resolv.$(FASLEXT)
 i-resolv.$(FASLEXT): i-object.$(FASLEXT)
 i-analy.$(FASLEXT): i-object.$(FASLEXT)
 i-intern.$(FASLEXT): i-object.$(FASLEXT) ptrees.$(FASLEXT)
-i-object.$(FASLEXT): g-util.$(FASLEXT)
-i-util.$(FASLEXT): g-util.$(FASLEXT)
+i-object.$(FASLEXT): i-util.$(FASLEXT)
+i-util.$(FASLEXT): c-util.$(FASLEXT)
 format.$(FASLEXT): macros.$(FASLEXT)
 match.$(FASLEXT): sys-macros.$(FASLEXT)
 record.$(FASLEXT): nlib.$(FASLEXT) pathname.$(FASLEXT)
@@ -346,7 +332,7 @@ define.$(FASLEXT): g-error.$(FASLEXT) modemap.$(FASLEXT) \
 database.$(FASLEXT): clam.$(FASLEXT) nlib.$(FASLEXT) \
 		cattable.$(FASLEXT) compat.$(FASLEXT) g-cndata.$(FASLEXT)
 functor.$(FASLEXT): category.$(FASLEXT) interop.$(FASLEXT) lisplib.$(FASLEXT)
-category.$(FASLEXT): g-util.$(FASLEXT) g-cndata.$(FASLEXT)
+category.$(FASLEXT): c-util.$(FASLEXT) g-cndata.$(FASLEXT)
 cattable.$(FASLEXT): simpbool.$(FASLEXT) g-util.$(FASLEXT)
 compat.$(FASLEXT): pathname.$(FASLEXT)
 simpbool.$(FASLEXT): macros.$(FASLEXT)
@@ -442,7 +428,7 @@ msg.$(FASLEXT): sys-macros.$(FASLEXT) astr.$(FASLEXT)
 util.$(FASLEXT): parsing.$(FASLEXT)
 fname.$(FASLEXT): macros.$(FASLEXT)
 sys-macros.$(FASLEXT): diagnostics.$(FASLEXT) union.$(FASLEXT)
-buildom.$(FASLEXT): buildom.boot sys-macros.$(FASLEXT)
+buildom.$(FASLEXT): buildom.boot sys-macros.$(FASLEXT) c-util.$(FASLEXT)
 diagnostics.$(FASLEXT): sys-globals.$(FASLEXT) vmlisp.$(FASLEXT)
 sys-driver.$(FASLEXT): sys-driver.boot types.$(FASLEXT)
 sys-globals.$(FASLEXT): sys-constants.$(FASLEXT) hash.$(FASLEXT)
diff --git a/src/interp/br-con.boot b/src/interp/br-con.boot
index c7cfbf86..5d54af01 100644
--- a/src/interp/br-con.boot
+++ b/src/interp/br-con.boot
@@ -36,8 +36,6 @@ import bc_-util
 namespace BOOT
 
 
---====================> WAS b-con.boot <================================
-
 --=======================================================================
 --              Pages Initiated from HyperDoc Pages
 --=======================================================================
diff --git a/src/interp/br-data.boot b/src/interp/br-data.boot
index 394d3d95..d6573a58 100644
--- a/src/interp/br-data.boot
+++ b/src/interp/br-data.boot
@@ -38,10 +38,6 @@ namespace BOOT
 lefts u ==
    [x for x in HKEYS  _*HASCATEGORY_-HASH_* | rest x = u]
 
-
-
---====================> WAS b-data.boot <================================
-
 --============================================================================
 --              Build Library Database (libdb.text,...)
 --============================================================================
diff --git a/src/interp/br-prof.boot b/src/interp/br-prof.boot
index 149e63a0..dfd58e59 100644
--- a/src/interp/br-prof.boot
+++ b/src/interp/br-prof.boot
@@ -35,8 +35,6 @@
 import bc_-util
 namespace BOOT
 
---====================> WAS b-prof.boot <================================
-
 --============================================================================
 --                Browser Code for Profiling
 --============================================================================
diff --git a/src/interp/br-saturn.boot b/src/interp/br-saturn.boot
index bcc85827..e636210a 100644
--- a/src/interp/br-saturn.boot
+++ b/src/interp/br-saturn.boot
@@ -35,7 +35,6 @@
 import bc_-util
 namespace BOOT
 
---====================> WAS b-saturn.boot <================================
 -- New file as of 6/95
 $aixTestSaturn := false
 --These will be set in patches.lisp:
diff --git a/src/interp/br-search.boot b/src/interp/br-search.boot
index 8dd863a6..4a6c3e9a 100644
--- a/src/interp/br-search.boot
+++ b/src/interp/br-search.boot
@@ -35,8 +35,6 @@
 import bc_-util
 namespace BOOT
 
---====================> WAS b-search.boot <================================
-
 --=======================================================================
 --              Grepping Database libdb.text
 -- Redone 12/95 for Saturn; previous function grep renamed as grepFile
diff --git a/src/interp/br-util.boot b/src/interp/br-util.boot
index 8382d0d7..89600577 100644
--- a/src/interp/br-util.boot
+++ b/src/interp/br-util.boot
@@ -35,8 +35,6 @@
 import bc_-util
 namespace BOOT
 
---====================> WAS b-util.boot <================================
-
 --=======================================================================
 --                     AXIOM Browser
 -- Initial entry is from man0.ht page to one of these functions:
diff --git a/src/interp/buildom.boot b/src/interp/buildom.boot
index 13fda91a..f1b042c4 100644
--- a/src/interp/buildom.boot
+++ b/src/interp/buildom.boot
@@ -41,6 +41,7 @@
 -- GDR, March 2008.
 
 import sys_-macros
+import c_-util
 namespace BOOT
 
 $noCategoryDomains == '(Mode SubDomain)
@@ -111,7 +112,7 @@ lazyCompareSigEqual(s,tslot,dollar,domain) ==
   integer? tslot and cons?(lazyt:=domain.tslot) and cons? s =>
       lazyt is [.,.,.,[.,item,.]] and
         item is [.,[functorName,:.]] and functorName = first s =>
-          compareSigEqual(s,(evalDomain lazyt).0,dollar,domain)
+          compareSigEqual(s,canonicalForm evalDomain lazyt,dollar,domain)
       nil
   compareSigEqual(s,NRTreplaceLocalTypes(tslot,domain),dollar,domain)
 
@@ -122,8 +123,9 @@ compareSigEqual(s,t,dollar,domain) ==
     u :=
       t='$ => dollar
       isSharpVar t =>
-        vector? domain => rest(domain.0).(POSN1(t,$FormalMapVariableList))
-        rest(domain).(POSN1(t,$FormalMapVariableList))
+        vector? domain =>
+          instantiationArgs(domain).(POSN1(t,$FormalMapVariableList))
+        domain.args.(POSN1(t,$FormalMapVariableList))
       string? t and IDENTP s => (s := symbolName s; t)
       nil
     s is '$ => compareSigEqual(dollar,u,dollar,domain)
@@ -171,7 +173,7 @@ compiledLookupCheck(op,sig,dollar) ==
   -- NEW COMPILER COMPATIBILITY OFF
 
   fn = nil =>
-    keyedSystemError("S2NR0001",[op,formatSignature sig,dollar.0])
+    keyedSystemError("S2NR0001",[op,formatSignature sig,canonicalForm dollar])
   fn
 
 --=======================================================
@@ -209,7 +211,7 @@ NRTreplaceLocalTypes(t,dom) ==
      not integer? t => t
      t:= dom.t
      if cons? t then t:= evalDomain t
-     t.0
+     canonicalForm t
    first t in '(Mapping Union Record _:) =>
       [first t,:[NRTreplaceLocalTypes(x,dom) for x in rest t]]
    t
@@ -224,7 +226,7 @@ substDomainArgs(domain,object) ==
 lookupInCategories(op,sig,dom,dollar) ==
   catformList := dom.4.0
   varList := ["$",:$FormalMapVariableList]
-  nsig := MSUBST(dom.0,dollar.0,sig)
+  nsig := MSUBST(canonicalForm dom,canonicalForm dollar,sig)
   -- the following lines don't need to check for predicates because
   -- this code (the old runtime scheme) is used only for
   -- builtin constructors -- their predicates are always true.
@@ -239,10 +241,10 @@ lookupInCategories(op,sig,dom,dollar) ==
 --       Lookup Addlist (from lookupInDomainTable or lookupInDomain)
 --=======================================================
 defaultingFunction op ==
-  not(op is [.,:dom]) => false
+  op isnt [.,:dom] => false
   not vector? dom => false
   not (#dom > 0) => false
-  not (dom.0 is [packageName,:.]) => false
+  canonicalForm dom isnt [packageName,:.] => false
   not IDENTP packageName => false
   isDefaultPackageName packageName
 
@@ -261,10 +263,10 @@ lookupInTable(op,sig,dollar,[domain,table]) ==
   someMatch := false
   while not success for [sig1,:code] in LASSQ(op,table) repeat
     success :=
-      not compareSig(sig,sig1,dollar.0,domain) => false
+      not compareSig(sig,sig1,canonicalForm dollar,domain) => false
       code is ['subsumed,a] =>
             subsumptionSig :=
-              applySubst(pairList($FormalMapVariableList,vectorRef(domain,0).args),a)
+              applySubst(pairList($FormalMapVariableList,canonicalForm(domain).args),a)
             someMatch := true
             false
       predIndex := code quo 8192
@@ -309,7 +311,7 @@ Record(:args) ==
   nargs := #args
   dom := newShell(nargs + 10)
   -- JHD added an extra slot to cache EQUAL methods
-  vectorRef(dom,0) := ["Record", :srcArgs]
+  canonicalForm(dom) := ["Record", :srcArgs]
   vectorRef(dom,1) :=
     ["lookupInTable",dom,
 	[["=",[[$Boolean,"$","$"],:oldSlotCode nargs]],
@@ -317,7 +319,7 @@ Record(:args) ==
             ["hash",[[$SingleInteger,"$"],:0]],
                ["coerce",[[$OutputForm,"$"],:oldSlotCode(nargs + 1)]]]]
   vectorRef(dom,2) := nil
-  vectorRef(dom,3) := ["RecordCategory",:rest dom.0]
+  vectorRef(dom,3) := ["RecordCategory",:instantiationArgs dom]
   vectorRef(dom,4) := [$commonCategoryDefaults, $commonCategoryAncestors]
   vectorRef(dom,5) := nil
   for i in $FirstParamSlot.. for a in args repeat
@@ -332,7 +334,7 @@ Record(:args) ==
   dom
 
 RecordEqual(x,y,dom) ==
-  nargs := #rest(dom.0)
+  nargs := #instantiationArgs dom
   cons? x =>
     b:=
        SPADCALL(first x, first y, first(dom.(nargs + 9)) or
@@ -381,7 +383,7 @@ Union(:args) ==
                  for a in args]
   nargs := #args
   dom := newShell (nargs + 9)
-  vectorRef(dom,0) := ["Union", :srcArgs]
+  canonicalForm(dom) := ["Union", :srcArgs]
   vectorRef(dom,1) :=
     ["lookupInTable",dom,
        [["=",[[$Boolean,"$","$"],:oldSlotCode nargs]],
@@ -389,7 +391,7 @@ Union(:args) ==
            ["hash", [[$SingleInteger,"$"],:0]],
               ["coerce",[[$OutputForm,"$"],:oldSlotCode (nargs+1)]]]]
   vectorRef(dom,2) := nil
-  vectorRef(dom,3) := ["UnionCategory",:rest dom.0]
+  vectorRef(dom,3) := ["UnionCategory",:instantiationArgs dom]
   vectorRef(dom,4) := [$commonCategoryDefaults, $commonCategoryAncestors]
   vectorRef(dom,5) := nil
   for i in $FirstParamSlot.. for a in args repeat
@@ -400,7 +402,7 @@ Union(:args) ==
   dom
 
 UnionEqual(x, y, dom) ==
-  ["Union",:branches] := vectorRef(dom,0)
+  ["Union",:branches] := canonicalForm dom
   predlist := mkPredList branches
   same := false
   for b in stripUnionTags branches for p in predlist while not same repeat
@@ -411,7 +413,7 @@ UnionEqual(x, y, dom) ==
       same := SPADCALL(x, y, findEqualFun(evalDomain b))
   same
 
-UnionPrint(x, dom) == coerceUn2E(x, dom.0)
+UnionPrint(x, dom) == coerceUn2E(x, canonicalForm dom)
 
 coerceUn2E(x,source) ==
   ["Union",:branches] := source
@@ -442,14 +444,14 @@ MappingCategory(:"sig") ==
                 ['mkCategory,quoteForm 'domain,
                    quoteForm [[['elt,[first sig,'$,:rest sig]],true]],
                      [], [], nil]]
-  vectorRef(cat,0) := ['MappingCategory,:sig]
+  canonicalForm(cat) := ['MappingCategory,:sig]
   cat
 
 Mapping(:args) ==
   srcArgs := [devaluate a for a in args]
   nargs := #args
   dom := newShell(nargs + 9)
-  vectorRef(dom,0) := ["Mapping", :srcArgs]
+  canonicalForm(dom) := ["Mapping", :srcArgs]
   vectorRef(dom,1) :=
     ["lookupInTable",dom,
        [["=",[[$Boolean,"$","$"],:oldSlotCode nargs]],
@@ -483,7 +485,7 @@ Enumeration(:"args") ==
   nargs := #args
   dom := newShell(nargs + 9)
   -- JHD added an extra slot to cache EQUAL methods
-  vectorRef(dom,0) := ["Enumeration", :args]
+  canonicalForm(dom) := ["Enumeration", :args]
   vectorRef(dom,1) :=
     ["lookupInTable",dom,
 	[["=",[[$Boolean,"$","$"],:oldSlotCode nargs]],
@@ -493,7 +495,7 @@ Enumeration(:"args") ==
                 [["$", $Symbol], :oldSlotCode(nargs+2)]]
                   ]]
   vectorRef(dom,2) := nil
-  vectorRef(dom,3) := ["EnumerationCategory",:rest dom.0]
+  vectorRef(dom,3) := ["EnumerationCategory",:instantiationArgs dom]
   vectorRef(dom,4) := [$commonCategoryDefaults, $commonCategoryAncestors]
   vectorRef(dom,5) := nil
   for i in $FirstParamSlot.. for a in args repeat dom.i := a
@@ -506,10 +508,10 @@ EnumEqual(e1,e2,dom) ==
   e1=e2
 
 EnumPrint(enum, dom) == 
-  rest(vectorRef(dom,0)).enum
+  instantiationArgs(dom).enum
 
 createEnum(sym, dom) ==
-  args := vectorRef(dom,0).args
+  args := instantiationArgs dom
   val := -1
   for v in args for i in 0.. repeat
      sym=v => return(val:=i)
@@ -532,7 +534,7 @@ constructorCategory (title is [op,:.]) ==
   cat:=
     JoinInner([eval $SetCategory,mkCategory("domain",oplist,nil,nil,nil)],
       $EmptyEnvironment)
-  vectorRef(cat,0) := title
+  canonicalForm(cat) := title
   cat
 
 --mkMappingFunList(nam,mapForm,e) == [[],e]
diff --git a/src/interp/c-util.boot b/src/interp/c-util.boot
index a96c8693..7fd42c62 100644
--- a/src/interp/c-util.boot
+++ b/src/interp/c-util.boot
@@ -49,6 +49,34 @@ module c_-util where
   -- functor data manipulation
   dbInfovec: %Constructor -> %Maybe %FunctorData
 
+--% Accessors of domain and category objects
+
+++ Return thr i-th part of a category object
+macro categoryRef(c,i) ==
+  vectorRef(c,i)
+
+++ Return the i-th part of a domain object.
+macro domainRef(d,i) ==
+  vectorRef(d,i)
+
+++ Return the canonical form for a domain or category object
+macro canonicalForm d ==
+  vectorRef(d,0)
+
+++ Return the constructor that instantiates to the domain
+++ or category object
+macro instantiationCtor d ==
+  canonicalForm(d).op
+
+++ Return the canonical forms of the arguments used to instantiate
+++ a domain or a category object.
+macro instantiationArgs d ==
+  canonicalForm(d).args
+
+++ Return the list of operations exported by a category object
+macro categoryExports d ==
+  categoryRef(d,1)
+
 --%
 $SetCategory ==
   '(SetCategory)
@@ -191,9 +219,9 @@ declareUnusedParameters x == (augment x; x) where
 
 devaluate d ==
   not vector? d => d
-  QVSIZE d > 5 and vectorRef(d,3) is ['Category] => vectorRef(d,0)
+  QVSIZE d > 5 and vectorRef(d,3) is ['Category] => canonicalForm d
   QVSIZE d > 0 =>
-    d' := vectorRef(d,0)
+    d' := canonicalForm d
     isFunctor d' => d'
     d
   d
diff --git a/src/interp/category.boot b/src/interp/category.boot
index 0d8ebcb1..63b4fb2e 100644
--- a/src/interp/category.boot
+++ b/src/interp/category.boot
@@ -32,7 +32,7 @@
 -- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 
-import g_-util
+import c_-util
 import g_-cndata
 namespace BOOT
 
@@ -65,7 +65,7 @@ isCategoryForm(x,e) ==
 CategoryPrint(D,$e) ==
   SAY "--------------------------------------"
   SAY "Name (and arguments) of category:"
-  PRETTYPRINT D.0
+  PRETTYPRINT canonicalForm D
   SAY "operations:"
   PRETTYPRINT D.1
   SAY "attributes:"
@@ -135,7 +135,7 @@ mkCategory(domainOrPackage,sigList,attList,domList,PrincipalAncestor) ==
     count := count+1
   -- Build a fresh category object stuffed with all updated information
   v := newShell count
-  v.0 := nil
+  canonicalForm(v) := nil
   v.1 := sigList
   v.2 := attList
   v.3 := $Category
@@ -329,7 +329,7 @@ FindFundAncs l ==
   --also as two-lists with the appropriate conditions
   l=nil => nil
   f1:= CatEval CAAR l
-  f1.0=nil => FindFundAncs rest l
+  canonicalForm f1 = nil => FindFundAncs rest l
   ans:= FindFundAncs rest l
   for u in FindFundAncs [[CatEval first x,mkAnd(CADAR l,second x)]
    for x in second f1.4] repeat
diff --git a/src/interp/define.boot b/src/interp/define.boot
index 896e78aa..edc5af92 100644
--- a/src/interp/define.boot
+++ b/src/interp/define.boot
@@ -1164,9 +1164,9 @@ genDomainViewList(id,catlist) ==
  
 mkOpVec(dom,siglist) ==
   dom:= getPrincipalView dom
-  substargs := [['$,:vectorRef(dom,0)],
-                  :pairList($FormalMapVariableList,vectorRef(dom,0).args)]
-  oplist:= getConstructorOperationsFromDB opOf dom.0
+  substargs := [['$,:canonicalForm dom],
+                  :pairList($FormalMapVariableList,instantiationArgs dom)]
+  oplist:= getConstructorOperationsFromDB instantiationCtor dom
   --new form is (<op> <signature> <slotNumber> <condition> <kind>)
   ops := newVector #siglist
   for (opSig:= [op,sig]) in siglist for i in 0.. repeat
diff --git a/src/interp/i-object.boot b/src/interp/i-object.boot
index fed81896..882007b7 100644
--- a/src/interp/i-object.boot
+++ b/src/interp/i-object.boot
@@ -31,7 +31,7 @@
 -- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 -- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-import g_-util
+import i_-util
 namespace BOOT
 
 ++ true when the interpreter should evaluate forms to values, as
diff --git a/src/interp/i-output.boot b/src/interp/i-output.boot
index 2c3ec427..c273c668 100644
--- a/src/interp/i-output.boot
+++ b/src/interp/i-output.boot
@@ -168,7 +168,8 @@ $plainRTspecialCharacters == [
 ++ Stream in lean mode.
 $RecordSeparator == abstractChar 30
 
-makeCharacter n ==> makeSymbol(charString abstractChar n)
+macro makeCharacter n ==
+  makeSymbol(charString abstractChar n)
 
 $RTspecialCharacters == [
     makeCharacter 218,      -- upper left corner   (+)
@@ -1331,7 +1332,7 @@ bigopWidth(bot,top,arg,kind) ==
   kindWidth := (kind = 'pi => 5; 3)
   MAX(kindWidth,WIDTH bot,(top => WIDTH top; 0)) + 2 + WIDTH arg
 
-half x ==>
+macro half x ==
   x quo 2
 
 bigopAppAux(bot,top,arg,x,y,d,kind) ==
diff --git a/src/interp/i-util.boot b/src/interp/i-util.boot
index a7266f89..e51a5702 100644
--- a/src/interp/i-util.boot
+++ b/src/interp/i-util.boot
@@ -32,7 +32,7 @@
 -- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 
-import g_-util
+import c_-util
 namespace BOOT
 
 module i_-util
diff --git a/src/interp/incl.boot b/src/interp/incl.boot
index 7a68d933..ae32e0bf 100644
--- a/src/interp/incl.boot
+++ b/src/interp/incl.boot
@@ -257,7 +257,8 @@ xlIfSyntax(eb, str, lno,ufos,info,sts) ==
 incLude(eb, ss, ln, ufos, states) ==
   Delay(function incLude1,[eb, ss, ln, ufos, states])
  
-Rest s ==> incLude (eb,rest ss,lno,ufos,states)
+macro Rest s ==
+  incLude (eb,rest ss,lno,ufos,states)
  
 incLude1(eb,ss,ln,ufos,states) ==
   $inputLineNumber := ln
diff --git a/src/interp/newfort.boot b/src/interp/newfort.boot
index 43ad03c0..7aba6f9e 100644
--- a/src/interp/newfort.boot
+++ b/src/interp/newfort.boot
@@ -675,7 +675,7 @@ mkParameterList l ==
       apply(function strconc,[STRINGIMAGE(first u),'"(",_
                :rest [:['",",:statement2Fortran(v)] for v in rest u],'")"])
 
-nameLen n ==>
+macro nameLen n ==
  +/[1+#(u) for u in n]
 
 fortFormatTypes(typeName,names) ==
diff --git a/src/interp/nrunfast.boot b/src/interp/nrunfast.boot
index 6691b34d..cd86d3e2 100644
--- a/src/interp/nrunfast.boot
+++ b/src/interp/nrunfast.boot
@@ -304,7 +304,7 @@ newLookupInCategories(op,sig,dom,dollar) ==
   slot4 := vectorRef(dom,4)
   catVec := second slot4
   # catVec = 0 => nil                      --early exit if no categories
-  integer? KDR vectorRef(catVec,0) =>
+  integer? KDR canonicalForm catVec =>
     newLookupInCategories1(op,sig,dom,dollar) --old style
   $lookupDefaults : local := nil
   if $monitorNewWorld = true then sayBrightly concat('"----->",
@@ -315,7 +315,7 @@ newLookupInCategories(op,sig,dom,dollar) ==
   varList := ['$,:$FormalMapVariableList]
   valueList := [dom,:[vectorRef(dom,5+i) for i in 1..(# rest dom.0)]]
   valueList := [MKQ val for val in valueList]
-  nsig := MSUBST(dom.0,dollar.0,sig)
+  nsig := MSUBST(canonicalForm dom,canonicalForm dollar,sig)
   for i in 0..maxIndex packageVec |
        (entry := vectorRef(packageVec,i)) and entry isnt 'T repeat
     package :=
@@ -391,9 +391,9 @@ newLookupInCategories1(op,sig,dom,dollar) ==
   catVec := second slot4
   --the next three lines can go away with new category world
   varList := ['$,:$FormalMapVariableList]
-  valueList := [dom,:[vectorRef(dom,5+i) for i in 1..(# rest dom.0)]]
+  valueList := [dom,:[vectorRef(dom,5+i) for i in 1..(#instantiationArgs dom)]]
   valueList := [MKQ val for val in valueList]
-  nsig := MSUBST(dom.0,dollar.0,sig)
+  nsig := MSUBST(canonicalForm dom,canonicalForm dollar,sig)
   for i in 0..maxIndex packageVec | (entry := vectorRef(packageVec,i))
       and (vector? entry or (predIndex := rest (node := catVec.i)) and
           (predIndex = 0 or testBitVector(predvec,predIndex))) repeat
@@ -586,7 +586,7 @@ newExpandTypeSlot(slot, dollar, domain) ==
  
  
 newExpandLocalType(lazyt,dollar,domain) ==
-  vector? lazyt => lazyt.0
+  vector? lazyt => canonicalForm lazyt
   atom lazyt => lazyt
   lazyt is [vec,.,:lazyForm] and vector? vec =>              --old style
     newExpandLocalTypeForm(lazyForm,dollar,domain)
@@ -611,7 +611,7 @@ newExpandLocalTypeArgs(u,dollar,domain,typeFlag) ==
      vectorRef(domain,u)
   u is ['NRTEVAL,y] => nrtEval(y,domain)
   u is ['QUOTE,y] => y
-  u is "$$" => vectorRef(domain,0)
+  u is "$$" => canonicalForm domain
   atom u => u   --can be first, rest, etc.
   newExpandLocalTypeForm(u,dollar,domain)
  
diff --git a/src/interp/showimp.boot b/src/interp/showimp.boot
index 1b13836a..0b7cf13e 100644
--- a/src/interp/showimp.boot
+++ b/src/interp/showimp.boot
@@ -112,14 +112,12 @@ showFrom(D,:option) ==
 --               Functions implementing showFrom
 --=======================================================================
 getDomainOps D ==
-  domname := D.0
-  conname := first domname
+  conname := insantiationCtor D
   $predicateList: local := getConstructorPredicatesFromDB conname
   removeDuplicates listSort(function GLESSEQP,ASSOCLEFT getDomainOpTable(D,nil))
  
 getDomainSigs(D,:option) ==
-  domname := D.0
-  conname := first domname
+  conname := instantiationCtor D
   $predicateList: local := getConstructorPredicatesFromDB conname
   getDomainSigs1(D,first option)
   
@@ -128,8 +126,7 @@ getDomainSigs1(D,ops) == listSort(function GLESSEQP,u) where
             | null ops or symbolMember?(first x,ops)]
  
 getDomainDocs(D,:option) ==
-  domname := D.0
-  conname := first domname
+  conname := instantiationCtor D
   $predicateList: local := getConstructorPredicatesFromDB conname
   ops := KAR option
   [[op,sig,:getInheritanceByDoc(D,op,sig)] for [op,sig] in getDomainSigs1(D,ops)]
@@ -209,7 +206,7 @@ getDomainSeteltForm ['%store,.,form] ==
  
 showPredicates dom ==
   sayBrightly '"--------------------Predicate summary-------------------"
-  conname := vectorRef(dom,0).op
+  conname := instantiationCtor dom
   predvector := vectorRef(dom,3)
   predicateList := getConstructorPredicatesFromDB conname
   for i in 1.. for p in predicateList repeat
@@ -220,7 +217,7 @@ showPredicates dom ==
  
 showAttributes dom ==
   sayBrightly '"--------------------Attribute summary-------------------"
-  conname := vectorRef(dom,0).op
+  conname := instantiationCtor dom
   abb := getConstructorAbbreviation conname
   predvector := vectorRef(dom,3)
   for [a,:p] in vectorRef(dom,2) repeat