[Pcre-svn] [1693] code/trunk/pcre_jit_compile.c: Fix charact…

Revision: 1693

          http://vcs.pcre.org/viewvc?view=rev&revision=1693
Author:   zherczeg
Date:     2017-03-31 06:41:17 +0100 (Fri, 31 Mar 2017)
Log Message:
-----------
Fix character type detection when 32-bit and UCP are enabled but UTF is not in JIT.

Modified Paths:
--------------
    code/trunk/pcre_jit_compile.c

Modified: code/trunk/pcre_jit_compile.c
===================================================================
--- code/trunk/pcre_jit_compile.c    2017-03-28 09:55:50 UTC (rev 1692)
+++ code/trunk/pcre_jit_compile.c    2017-03-31 05:41:17 UTC (rev 1693)
@@ -559,6 +559,8 @@

#define READ_CHAR_MAX 0x7fffffff

+#define INVALID_UTF_CHAR 888
+
static pcre_uchar *bracketend(pcre_uchar *cc)
{
SLJIT_ASSERT((*cc >= OP_ASSERT && *cc <= OP_ASSERTBACK_NOT) || (*cc >= OP_ONCE && *cc <= OP_SCOND));
@@ -3277,10 +3279,30 @@
/* Search the UCD record for the character comes in TMP1.
Returns chartype in TMP1 and UCD offset in TMP2. */
DEFINE_COMPILER;
+#ifdef COMPILE_PCRE32
+struct sljit_jump *jump;
+#endif

+#if defined SLJIT_DEBUG && SLJIT_DEBUG
+/* dummy_ucd_record */
+const ucd_record *record = GET_UCD(INVALID_UTF_CHAR);
+SLJIT_ASSERT(record->script == ucp_Common && record->chartype == ucp_Cn && record->gbprop == ucp_gbOther);
+SLJIT_ASSERT(record->caseset == 0 && record->other_case == 0);
+#endif
+
SLJIT_ASSERT(UCD_BLOCK_SIZE == 128 && sizeof(ucd_record) == 8);

 sljit_emit_fast_enter(compiler, RETURN_ADDR, 0);
+
+#ifdef COMPILE_PCRE32
+if (!common->utf)
+  {
+  jump = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0x10ffff + 1);
+  OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, INVALID_UTF_CHAR);
+  JUMPHERE(jump);
+  }
+#endif
+
 OP2(SLJIT_LSHR, TMP2, 0, TMP1, 0, SLJIT_IMM, UCD_BLOCK_SHIFT);
 OP1(SLJIT_MOV_U8, TMP2, 0, SLJIT_MEM1(TMP2), (sljit_sw)PRIV(ucd_stage1));
 OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, UCD_BLOCK_MASK);
@@ -5636,6 +5658,15 @@
   if (needschar && !charsaved)
     OP1(SLJIT_MOV, RETURN_ADDR, 0, TMP1, 0);

+#ifdef COMPILE_PCRE32
+  if (!common->utf)
+    {
+    jump = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0x10ffff + 1);
+    OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, INVALID_UTF_CHAR);
+    JUMPHERE(jump);
+    }
+#endif
+
   OP2(SLJIT_LSHR, TMP2, 0, TMP1, 0, SLJIT_IMM, UCD_BLOCK_SHIFT);
   OP1(SLJIT_MOV_U8, TMP2, 0, SLJIT_MEM1(TMP2), (sljit_sw)PRIV(ucd_stage1));
   OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, UCD_BLOCK_MASK);