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authordos-reis <gdr@axiomatics.org>2010-12-09 23:10:04 +0000
committerdos-reis <gdr@axiomatics.org>2010-12-09 23:10:04 +0000
commitf1a6c23cb159a2d1a6d9260da0feaa0084741461 (patch)
tree95fdfb512e183fe310b72915dc8719c759867185 /src/interp/scan.boot
parent918d78b95c278f11bf70e4bd5265f0dfc40ba933 (diff)
downloadopen-axiom-f1a6c23cb159a2d1a6d9260da0feaa0084741461.tar.gz
Cleanup
Diffstat (limited to 'src/interp/scan.boot')
-rw-r--r--src/interp/scan.boot99
1 files changed, 58 insertions, 41 deletions
diff --git a/src/interp/scan.boot b/src/interp/scan.boot
index 62dfdfca..e167cca6 100644
--- a/src/interp/scan.boot
+++ b/src/interp/scan.boot
@@ -301,39 +301,41 @@ lineoftoks(s)==
scanToken() ==
- ln:=$ln
- c:=QENUM($ln,$n)
- linepos:=$linepos
- n:=$n
- ch:=$ln.$n
- b:=
- startsComment?() =>
- scanComment()
- []
- startsNegComment?() =>
- scanNegComment()
- []
- c= QUESTION =>
- $n:=$n+1
- lfid '"?"
- punctuation? c => scanPunct ()
- startsId? ch => scanWord (false)
- c=$SPACE =>
- scanSpace ()
- []
- c = STRING_CHAR => scanString ()
- digit? ch => scanNumber ()
- c=ESCAPE => scanEscape()
- scanError ()
- null b => nil
- dqUnit constoken(ln,linepos,b,n+lnExtraBlanks linepos)
+ ln := $ln
+ c := QENUM($ln,$n)
+ linepos := $linepos
+ n := $n
+ ch := $ln.$n
+ b :=
+ startsComment?() =>
+ scanComment()
+ []
+ startsNegComment?() =>
+ scanNegComment()
+ []
+ c = QUESTION =>
+ $n := $n+1
+ lfid '"?"
+ punctuation? c => scanPunct()
+ startsId? ch => scanWord(false)
+ c = $SPACE =>
+ scanSpace()
+ []
+ c = STRING_CHAR => scanString()
+ digit? ch => scanNumber()
+ c = ESCAPE => scanEscape()
+ scanError()
+ null b => nil
+ dqUnit constoken(ln,linepos,b,n+lnExtraBlanks linepos)
-- to pair badge and badgee
-- lfid x== ["id",INTERN x]
-lfid x== ["id",INTERN(x, '"BOOT")]
+lfid x ==
+ ["id",INTERN(x, '"BOOT")]
-lfkey x==["key",keyword x]
+lfkey x ==
+ ["key",keyword x]
lfinteger x==
["integer",x]
@@ -343,25 +345,40 @@ lfinteger x==
-- then ["id",INTERN x]
-- else ["integer",x]
-lfrinteger (r,x)==["integer",strconc (r,strconc('"r",x))]
+lfrinteger (r,x)==
+ ["integer",strconc (r,strconc('"r",x))]
+
--lfrfloat(a,w,v)==["rfloat",strconc(a,'"r.",v)]
-lffloat(a,w,e)==["float",strconc(a,'".",w,'"e",e)]
-lfstring x==if #x=1 then ["char",x] else ["string",x]
-lfcomment x== ["comment", x]
-lfnegcomment x== ["negcomment", x]
-lferror x==["error",x]
-lfspaces x==["spaces",x]
+
+lffloat(a,w,e)==
+ ["float",strconc(a,'".",w,'"e",e)]
+
+lfstring x==
+ #x = 1 => ["char",x]
+ ["string",x]
+
+lfcomment x==
+ ["comment", x]
+
+lfnegcomment x ==
+ ["negcomment", x]
+
+lferror x ==
+ ["error",x]
+
+lfspaces x ==
+ ["spaces",x]
constoken(ln,lp,b,n)==
-- [b.0,b.1,[lp,:n]]
- a:=[b.0,:b.1]
- ncPutQ(a,"posn",[lp,:n])
- a
+ a := [b.0,:b.1]
+ ncPutQ(a,"posn",[lp,:n])
+ a
scanEscape()==
- $n:=$n+1
- a:=scanEsc()
- if a then scanWord true else nil
+ $n:=$n+1
+ a:=scanEsc()
+ if a then scanWord true else nil
scanEsc()==
if $n>=$sz