--- gforth/regexp-test.fs	2007/12/31 19:02:24	1.4
+++ gforth/regexp-test.fs	2010/09/12 22:14:12	1.18
@@ -1,6 +1,6 @@
 \ regexp test
 
-\ Copyright (C) 2005,2007 Free Software Foundation, Inc.
+\ Copyright (C) 2005,2007,2009 Free Software Foundation, Inc.
 
 \ This file is part of Gforth.
 
@@ -17,8 +17,10 @@
 \ You should have received a copy of the GNU General Public License
 \ along with this program. If not, see http://www.gnu.org/licenses/.
 
-charclass [bl-]   blanks +class '- +char
-charclass [0-9(]  '( +char '0 '9 ..char
+: ?depth  depth IF  ." unbalanced: " .s clearstack cr  THEN ;
+
+charclass [bl-]   blanks +class '-' +char
+charclass [0-9(]  '(' +char '0' '9' ..char
 
 : telnum ( addr u -- flag )
     (( {{ ` (  \( \d \d \d \) ` ) || \( \d \d \d \) }}  blanks c?
@@ -26,11 +28,11 @@ charclass [0-9(]  '( +char '0 '9 ..char
     \( \d \d \d \d \) {{ \$ || -\d }} )) ;
 
 : ?tel ( addr u -- ) telnum
-    IF  '( emit \1 type ." ) " \2 type '- emit \3 type ."  succeeded"
+    IF  '(' emit \1 type ." ) " \2 type '-' emit \3 type ."  succeeded"
     ELSE \0 type ."  failed " THEN ;
 
-: ?tel-s ( addr u -- ) ?tel ."  should succeed" space depth . cr ;
-: ?tel-f ( addr u -- ) ?tel ."  should fail" space depth . cr ;
+: ?tel-s ( addr u -- ) ?tel ."  should succeed" space cr ?depth ;
+: ?tel-f ( addr u -- ) ?tel ."  should fail" space cr ?depth ;
 
 ." --- Telephone number match ---" cr
 s" (123) 456-7890" ?tel-s
@@ -47,8 +49,8 @@ s" 123 456-78909" ?tel-f
     \( \d \d \d \d \) {{ \$ || -\d }} )) ;
 
 : ?tel2 ( addr u -- ) telnum2
-    IF   '( emit \1 type ." ) " \2 type '- emit \3 type ."  succeeded"
-    ELSE \0 type ."  failed " THEN  cr ;
+    IF   '(' emit \1 type ." ) " \2 type '-' emit \3 type ."  succeeded"
+    ELSE \0 type ."  failed " THEN  cr ?depth ;
 ." --- Telephone number search ---" cr
 s" blabla (123) 456-7890" ?tel2
 s" blabla (123) 456-7890 " ?tel2
@@ -65,11 +67,11 @@ s" abla 123 456-78909" ?tel2
 
 ." --- Number extraction test ---" cr
 
-charclass [0-9,./:]  '0 '9 ..char ', +char '. +char '/ +char ': +char
+charclass [0-9,./:]  '0' '9' ..char ',' +char '.' +char '/' +char ':' +char
 
 : ?num
     (( // \( {++ [0-9,./:] c? ++} \) ))
-    IF  \1 type  ELSE  \0 type ."  failed"  THEN   cr ;
+    IF  \1 type  ELSE  \0 type ."  failed"  THEN   cr ?depth ;
 
 s" 1234" ?num
 s" 12,345abc" ?num
@@ -90,15 +92,15 @@ s" Hier kommt nichts vor" ?string
 
 : ?foos
     (( \( {** =" foo" **} \) ))
-    IF  \1 type  ELSE  \0 type ."  failed"  THEN  cr ;
+    IF  \1 type  ELSE  \0 type ."  failed"  THEN  cr ?depth ;
 
 : ?foobars
     (( // \( {** =" foo" **} \) \( {++ =" bar" ++} \) ))
-    IF  \1 type ', emit \2 type  ELSE  \0 type ."  failed"  THEN  cr ;
+    IF  \1 type ',' emit \2 type  ELSE  \0 type ."  failed"  THEN  cr ?depth ;
 
 : ?foos1
     (( // \( {+ =" foo" +} \) \( {++ =" bar" ++} \) ))
-    IF  \1 type ', emit \2 type  ELSE  \0 type ."  failed"  THEN  cr ;
+    IF  \1 type ',' emit \2 type  ELSE  \0 type ."  failed"  THEN  cr ?depth ;
 
 s" foobar" ?foos
 s" foofoofoobar" ?foos
@@ -118,4 +120,72 @@ s" fofoofoofofooofoobarbar" ?foos1
 s" bla baz bar" ?foos1
 s" foofoofoo" ?foos1
 
+\ backtracking on decissions
+
+: ?aab ( addr u -- flag )
+   (( {{ =" aa" || =" a" }} {{ =" ab" || =" a" }} )) ;
+s" aab" ?aab 0= [IF] .( aab failed!) cr [THEN]
+
+\ buffer overrun test (bug in =")
+
+." --- buffer overrun test ---" cr
+
+ : ?long-string
+    (( // \( =" abcdefghi" \) ))
+    IF  \1 type  cr THEN ;
+
+4096 allocate throw 4096 + 8 - constant test-string
+ s" abcdefgh" test-string swap cmove>
+ .( provoking overflow [i.e. see valgrind output]) cr
+ test-string . cr
+ test-string 8 ?long-string
+.( done) cr ?depth
+
+\ simple replacement test
+ 
+." --- simple replacement test ---" cr
+
+: delnum  ( addr u -- addr' u' )   s// \d >> s" " //g ;
+: test-delnum  ( addr u addr' u' -- )
+   2swap delnum 2over 2over str= 0= IF
+      ." test-delnum: got '" type ." ', expected '" type ." '"
+   ELSE  2drop 2drop ." test-delnum passed" cr  THEN  ?depth ;
+s" 0"  s" " test-delnum
+s" 00"  s" " test-delnum
+s" 0a"  s" a" test-delnum
+s" a0"  s" a" test-delnum
+s" aa"  s" aa" test-delnum
+
+: delcomment  ( addr u -- addr' u' )  s// ` # {** .? **} >> s" " //g ;
+s" hello # test " delcomment type cr
+: delparents  ( addr u -- addr' u' )  s// ` ( {* .? *} ` ) >> s" ()" //g ;
+s" delete (test) and (another test) " delparents type cr
+?depth
+
+\ replacement tests
+
+." --- replacement tests ---" cr
+
+: hms>s ( addr u -- addr' u' )
+  s// \( \d \d \) ` : \( \d \d \) ` : \( \d \d \) >>
+  \1 s>number drop 60 *
+  \2 s>number drop + 60 *
+  \3 s>number drop + 0 <# 's' hold #s #> //g ;
+
+s" bla 12:34:56 fasel 00:01:57 blubber" 2dup type hms>s
+."  -> " 2dup type
+s" bla 45296s fasel 117s blubber" str= [IF] .(  ok) [ELSE] .(  failed) [THEN] cr
+?depth
+
+: hms>s,del() ( addr u -- addr' u' )
+  s// {{ ` ( .? .? .? ` ) >> <<" ()"
+      || \( \d \d \) ` : \( \d \d \) ` : \( \d \d \)
+         >> \1 s>number drop 60 *
+            \2 s>number drop + 60 *
+            \3 s>number drop + 0 <# 's' hold #s #> <<
+      }} LEAVE //s ;
+
+\ doesn't work yet
+s" (bla) 12:34:56 (fasel) 00:01:57 (blubber)" 2dup type hms>s,del() ."  -> " type cr
+
 script? [IF] bye [THEN]