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authordos-reis <gdr@axiomatics.org>2009-09-26 13:49:18 +0000
committerdos-reis <gdr@axiomatics.org>2009-09-26 13:49:18 +0000
commit91bd7571dc0baf8d17047d553e4616dd587c0ffb (patch)
tree2e2a2eb23ff2cb76b6eb3ae763a480ac1f0078ad /src/interp/termrw.boot
parent868f1d56a5bcd7d712855e98085e0e15d32a3264 (diff)
downloadopen-axiom-91bd7571dc0baf8d17047d553e4616dd587c0ffb.tar.gz
* interp/: More cleanup.
Diffstat (limited to 'src/interp/termrw.boot')
-rw-r--r--src/interp/termrw.boot34
1 files changed, 17 insertions, 17 deletions
diff --git a/src/interp/termrw.boot b/src/interp/termrw.boot
index 36380e04..937dcdf4 100644
--- a/src/interp/termrw.boot
+++ b/src/interp/termrw.boot
@@ -58,14 +58,14 @@ term1RW(t,R) ==
for r in varRules until not (SL='failed) repeat
SL:= termMatch(CAR r,t,NIL,vars)
not (SL='failed) =>
- t:= subCopy(copy CDR r,SL)
+ t:= subCopy(copy rest r,SL)
t
term1RWall(t,R) ==
-- same as term1RW, but returns a list
[vars,:varRules]:= R
- [not (SL='failed) and subCopy(copy CDR r,SL) for r in varRules |
- not EQ(SL:= termMatch(CAR r,t,NIL,vars),'failed)]
+ [not (SL='failed) and subCopy(copy rest r,SL) for r in varRules |
+ not EQ(SL:= termMatch(first r,t,NIL,vars),'failed)]
termMatch(tp,t,SL,vars) ==
-- t is a term pattern, t a term
@@ -73,7 +73,7 @@ termMatch(tp,t,SL,vars) ==
tp=t => SL
atom tp =>
MEMQ(tp,vars) =>
- p:= ASSOC(tp,SL) => ( CDR p=t )
+ p:= ASSOC(tp,SL) => ( rest p=t )
CONS(CONS(tp,t),SL)
'failed
atom t => 'failed
@@ -93,14 +93,14 @@ termMatch(tp,t,SL,vars) ==
-- -- v must not be NIL
-- EQ(v,t) => 'T
-- atom t => NIL
--- isContained(v,CAR t) or isContained(v,CDR t)
+-- isContained(v,first t) or isContained(v,rest t)
augmentSub(v,t,SL) ==
-- destructively adds the pair (v,t) to the substitution list SL
-- t doesn't contain any of the variables of SL
q:= CONS(v,t)
null SL => [q]
--- for p in SL repeat RPLACD(p,SUBSTQ(t,v,CDR p))
+-- for p in SL repeat RPLACD(p,SUBSTQ(t,v,rest p))
CONS(q,SL)
mergeSubs(S1,S2) ==
@@ -108,8 +108,8 @@ mergeSubs(S1,S2) ==
-- S1 doesn't contain any of the variables of S2
null S1 => S2
null S2 => S1
- S3 := [p for p in S2 | not ASSQ(CAR p, S1)]
--- for p in S1 repeat S3:= augmentSub(CAR p,CDR p,S3)
+ S3 := [p for p in S2 | not ASSQ(first p, S1)]
+-- for p in S1 repeat S3:= augmentSub(first p,rest p,S3)
APPEND(S1,S3)
subCopy(t,SL) ==
@@ -119,7 +119,7 @@ subCopy(t,SL) ==
subCopy0(t,SL)
subCopy0(t, SL) ==
- p := subCopyOrNil(t, SL) => CDR p
+ p := subCopyOrNil(t, SL) => rest p
t
subCopyOrNil(t,SL) ==
@@ -128,9 +128,9 @@ subCopyOrNil(t,SL) ==
atom t => NIL
[t1,:t2]:= t
t0:= subCopyOrNil(t1,SL) =>
- t2 => CONS(t, CONS(CDR t0, subCopy0(t2,SL)))
- CONS(t,CONS(CDR t0,t2))
- t2 and ( t0:= subCopyOrNil(t2,SL) ) => CONS(t, CONS(t1,CDR t0))
+ t2 => CONS(t, CONS(rest t0, subCopy0(t2,SL)))
+ CONS(t,CONS(rest t0,t2))
+ t2 and ( t0:= subCopyOrNil(t2,SL) ) => CONS(t, CONS(t1,rest t0))
NIL
@@ -141,17 +141,17 @@ deepSubCopy(t,SL) ==
deepSubCopy0(t,SL)
deepSubCopy0(t, SL) ==
- p := deepSubCopyOrNil(t, SL) => CDR p
+ p := deepSubCopyOrNil(t, SL) => rest p
t
deepSubCopyOrNil(t,SL) ==
-- the same as subCopy, but the result is NIL if nothing was copied
- p:= ASSOC(t,SL) => CONS(t, deepSubCopy0(CDR p, SL))
+ p:= ASSOC(t,SL) => CONS(t, deepSubCopy0(rest p, SL))
atom t => NIL
[t1,:t2]:= t
t0:= deepSubCopyOrNil(t1,SL) =>
- t2 => CONS(t, CONS(CDR t0, deepSubCopy0(t2,SL)))
- CONS(t,CONS(CDR t0,t2))
- t2 and ( t0:= deepSubCopyOrNil(t2,SL) ) => CONS(t, CONS(t1,CDR t0))
+ t2 => CONS(t, CONS(rest t0, deepSubCopy0(t2,SL)))
+ CONS(t,CONS(rest t0,t2))
+ t2 and ( t0:= deepSubCopyOrNil(t2,SL) ) => CONS(t, CONS(t1,rest t0))