Update internal PCRE to version 8.43

10 files changed, 59 insertions, 17 deletions

diff --git a/erts/emulator/pcre/LICENCE b/erts/emulator/pcre/LICENCE
index f6ef7fd766..760a6666b6 100644
--- a/erts/emulator/pcre/LICENCE
+++ b/erts/emulator/pcre/LICENCE
@@ -25,7 +25,7 @@ Email domain:     cam.ac.uk
 University of Cambridge Computing Service,
 Cambridge, England.
 
-Copyright (c) 1997-2018 University of Cambridge
+Copyright (c) 1997-2019 University of Cambridge
 All rights reserved.
 
 
@@ -34,9 +34,9 @@ PCRE JUST-IN-TIME COMPILATION SUPPORT
 
 Written by:       Zoltan Herczeg
 Email local part: hzmester
-Emain domain:     freemail.hu
+Email domain:     freemail.hu
 
-Copyright(c) 2010-2018 Zoltan Herczeg
+Copyright(c) 2010-2019 Zoltan Herczeg
 All rights reserved.
 
 
@@ -45,9 +45,9 @@ STACK-LESS JUST-IN-TIME COMPILER
 
 Written by:       Zoltan Herczeg
 Email local part: hzmester
-Emain domain:     freemail.hu
+Email domain:     freemail.hu
 
-Copyright(c) 2009-2018 Zoltan Herczeg
+Copyright(c) 2009-2019 Zoltan Herczeg
 All rights reserved.
 
 
diff --git a/erts/emulator/pcre/pcre-8.42.tar.bz2 b/erts/emulator/pcre/pcre-8.42.tar.bz2
deleted file mode 100644
index 61bfa38970..0000000000
--- a/erts/emulator/pcre/pcre-8.42.tar.bz2
+++ /dev/null
diff --git a/erts/emulator/pcre/pcre-8.43.tar.bz2 b/erts/emulator/pcre/pcre-8.43.tar.bz2
new file mode 100644
index 0000000000..e20c601f71
--- /dev/null
+++ b/erts/emulator/pcre/pcre-8.43.tar.bz2
diff --git a/erts/emulator/pcre/pcre.h b/erts/emulator/pcre/pcre.h
index 3563791223..7e4401cf97 100644
--- a/erts/emulator/pcre/pcre.h
+++ b/erts/emulator/pcre/pcre.h
@@ -43,9 +43,9 @@ POSSIBILITY OF SUCH DAMAGE.
 /* The current PCRE version information. */
 
 #define PCRE_MAJOR          8
-#define PCRE_MINOR          42
+#define PCRE_MINOR          43
 #define PCRE_PRERELEASE     
-#define PCRE_DATE           2018-03-20
+#define PCRE_DATE           2019-02-23
 
 /* When an application links to a PCRE DLL in Windows, the symbols that are
 imported have to be identified as such. When building PCRE, the appropriate
diff --git a/erts/emulator/pcre/pcre_compile.c b/erts/emulator/pcre/pcre_compile.c
index ae7f6e2a2a..6ac222b27e 100644
--- a/erts/emulator/pcre/pcre_compile.c
+++ b/erts/emulator/pcre/pcre_compile.c
@@ -6,7 +6,7 @@
 and semantics are as close as possible to those of the Perl 5 language.
 
                        Written by Philip Hazel
-           Copyright (c) 1997-2016 University of Cambridge
+           Copyright (c) 1997-2018 University of Cambridge
 
 -----------------------------------------------------------------------------
 Redistribution and use in source and binary forms, with or without
@@ -3300,7 +3300,7 @@ for(;;)
       if ((*xclass_flags & XCL_MAP) == 0)
         {
         /* No bits are set for characters < 256. */
-        if (list[1] == 0) return TRUE;
+        if (list[1] == 0) return (*xclass_flags & XCL_NOT) == 0;
         /* Might be an empty repeat. */
         continue;
         }
@@ -7643,6 +7643,8 @@ for (;; ptr++)
         /* Can't determine a first byte now */
 
         if (firstcharflags == REQ_UNSET) firstcharflags = REQ_NONE;
+        zerofirstchar = firstchar;
+        zerofirstcharflags = firstcharflags;
         continue;
 
 
@@ -8683,10 +8685,18 @@ do {
      if (!is_anchored(scode, new_map, cd, atomcount)) return FALSE;
      }
 
-   /* Positive forward assertions and conditions */
+   /* Positive forward assertion */
 
-   else if (op == OP_ASSERT || op == OP_COND)
+   else if (op == OP_ASSERT)
+     {
+     if (!is_anchored(scode, bracket_map, cd, atomcount)) return FALSE;
+     }
+
+   /* Condition; not anchored if no second branch */
+
+   else if (op == OP_COND)
      {
+     if (scode[GET(scode,1)] != OP_ALT) return FALSE;
      if (!is_anchored(scode, bracket_map, cd, atomcount)) return FALSE;
      }
 
diff --git a/erts/emulator/pcre/pcre_jit_compile.c b/erts/emulator/pcre/pcre_jit_compile.c
index 926e40f6d3..2d2288f81e 100644
--- a/erts/emulator/pcre/pcre_jit_compile.c
+++ b/erts/emulator/pcre/pcre_jit_compile.c
@@ -9002,7 +9002,7 @@ if (exact > 1)
 #ifdef SUPPORT_UTF
       && !common->utf
 #endif
-      )
+      && type != OP_ANYNL && type != OP_EXTUNI)
     {
     OP2(SLJIT_ADD, TMP1, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(exact));
     add_jump(compiler, &backtrack->topbacktracks, CMP(SLJIT_GREATER, TMP1, 0, STR_END, 0));
diff --git a/lib/stdlib/test/re_SUITE_data/testoutput1 b/lib/stdlib/test/re_SUITE_data/testoutput1
index eff8ecc948..e6147e60b9 100644
--- a/lib/stdlib/test/re_SUITE_data/testoutput1
+++ b/lib/stdlib/test/re_SUITE_data/testoutput1
@@ -9446,4 +9446,28 @@ No match
     >XXX<
  0: X
 
+/   (?<word> \w+ )*    \.   /xi
+    pokus.
+ 0: pokus.
+ 1: pokus
+    
+/(?(DEFINE) (?<word> \w+ ) ) (?&word)*   \./xi
+    pokus.
+ 0: pokus.
+
+/(?(DEFINE) (?<word> \w+ ) ) ( (?&word)* )   \./xi 
+    pokus.
+ 0: pokus.
+ 1: <unset>
+ 2: pokus
+
+/(?&word)*  (?(DEFINE) (?<word> \w+ ) )  \./xi
+    pokus.
+ 0: pokus.
+
+/(?&word)*  \. (?<word> \w+ )/xi
+    pokus.hokus
+ 0: pokus.hokus
+ 1: hokus
+
 /-- End of testinput1 --/
diff --git a/lib/stdlib/test/re_SUITE_data/testoutput2 b/lib/stdlib/test/re_SUITE_data/testoutput2
index 61ed8d9d4e..4ccda27201 100644
--- a/lib/stdlib/test/re_SUITE_data/testoutput2
+++ b/lib/stdlib/test/re_SUITE_data/testoutput2
@@ -14721,4 +14721,8 @@ No need char
  0: ab
  1: a
 
+/(?(?=^))b/
+    abc
+ 0: b
+
 /-- End of testinput2 --/
diff --git a/lib/stdlib/test/re_SUITE_data/testoutput4 b/lib/stdlib/test/re_SUITE_data/testoutput4
index d43c12392d..69e812cd35 100644
--- a/lib/stdlib/test/re_SUITE_data/testoutput4
+++ b/lib/stdlib/test/re_SUITE_data/testoutput4
@@ -1277,4 +1277,8 @@ No match
     \\C(\\W?ſ)'?{{
 No match
 
+/[^\x{100}-\x{ffff}]*[\x80-\xff]/8
+    \x{99}\x{99}\x{99}
+ 0: \x{99}\x{99}\x{99}
+
 /-- End of testinput4 --/
diff --git a/system/COPYRIGHT b/system/COPYRIGHT
index 91cf0bbfb3..57ea16e95c 100644
--- a/system/COPYRIGHT
+++ b/system/COPYRIGHT
@@ -62,7 +62,7 @@ Email domain:     cam.ac.uk
 University of Cambridge Computing Service,
 Cambridge, England.
 
-Copyright (c) 1997-2018 University of Cambridge
+Copyright (c) 1997-2019 University of Cambridge
 All rights reserved.
 
 
@@ -71,9 +71,9 @@ PCRE JUST-IN-TIME COMPILATION SUPPORT
 
 Written by:       Zoltan Herczeg
 Email local part: hzmester
-Emain domain:     freemail.hu
+Email domain:     freemail.hu
 
-Copyright(c) 2010-2018 Zoltan Herczeg
+Copyright(c) 2010-2019 Zoltan Herczeg
 All rights reserved.
 
 
@@ -82,9 +82,9 @@ STACK-LESS JUST-IN-TIME COMPILER
 
 Written by:       Zoltan Herczeg
 Email local part: hzmester
-Emain domain:     freemail.hu
+Email domain:     freemail.hu
 
-Copyright(c) 2009-2018 Zoltan Herczeg
+Copyright(c) 2009-2019 Zoltan Herczeg
 All rights reserved.