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-rw-r--r--pcre/pcre_jit_compile.c670
1 files changed, 392 insertions, 278 deletions
diff --git a/pcre/pcre_jit_compile.c b/pcre/pcre_jit_compile.c
index 201416dd264..63b32c51670 100644
--- a/pcre/pcre_jit_compile.c
+++ b/pcre/pcre_jit_compile.c
@@ -371,7 +371,7 @@ typedef struct compiler_common {
sljit_sw ctypes;
int digits[2 + MAX_RANGE_SIZE];
/* Named capturing brackets. */
- sljit_uw name_table;
+ pcre_uchar *name_table;
sljit_sw name_count;
sljit_sw name_entry_size;
@@ -481,8 +481,8 @@ to characters. The vector data is divided into two groups: the first
group contains the start / end character pointers, and the second is
the start pointers when the end of the capturing group has not yet reached. */
#define OVECTOR_START (common->ovector_start)
-#define OVECTOR(i) (OVECTOR_START + (i) * sizeof(sljit_sw))
-#define OVECTOR_PRIV(i) (common->cbra_ptr + (i) * sizeof(sljit_sw))
+#define OVECTOR(i) (OVECTOR_START + (i) * (sljit_sw)sizeof(sljit_sw))
+#define OVECTOR_PRIV(i) (common->cbra_ptr + (i) * (sljit_sw)sizeof(sljit_sw))
#define PRIVATE_DATA(cc) (common->private_data_ptrs[(cc) - common->start])
#if defined COMPILE_PCRE8
@@ -585,10 +585,16 @@ switch(*cc)
case OP_CRMINQUERY:
case OP_CRRANGE:
case OP_CRMINRANGE:
+ case OP_CRPOSSTAR:
+ case OP_CRPOSPLUS:
+ case OP_CRPOSQUERY:
+ case OP_CRPOSRANGE:
case OP_CLASS:
case OP_NCLASS:
case OP_REF:
case OP_REFI:
+ case OP_DNREF:
+ case OP_DNREFI:
case OP_RECURSE:
case OP_CALLOUT:
case OP_ALT:
@@ -614,9 +620,9 @@ switch(*cc)
case OP_SCBRAPOS:
case OP_SCOND:
case OP_CREF:
- case OP_NCREF:
+ case OP_DNCREF:
case OP_RREF:
- case OP_NRREF:
+ case OP_DNRREF:
case OP_DEF:
case OP_BRAZERO:
case OP_BRAMINZERO:
@@ -736,10 +742,8 @@ switch(*cc)
static BOOL check_opcode_types(compiler_common *common, pcre_uchar *cc, pcre_uchar *ccend)
{
-pcre_uchar *name;
-pcre_uchar *name2;
-unsigned int cbra_index;
-int i;
+int count;
+pcre_uchar *slot;
/* Calculate important variables (like stack size) and checks whether all opcodes are supported. */
while (cc < ccend)
@@ -773,29 +777,21 @@ while (cc < ccend)
break;
case OP_CREF:
- i = GET2(cc, 1);
- common->optimized_cbracket[i] = 0;
+ common->optimized_cbracket[GET2(cc, 1)] = 0;
cc += 1 + IMM2_SIZE;
break;
- case OP_NCREF:
- cbra_index = GET2(cc, 1);
- name = (pcre_uchar *)common->name_table;
- name2 = name;
- for (i = 0; i < common->name_count; i++)
- {
- if (GET2(name, 0) == cbra_index) break;
- name += common->name_entry_size;
- }
- SLJIT_ASSERT(i != common->name_count);
-
- for (i = 0; i < common->name_count; i++)
+ case OP_DNREF:
+ case OP_DNREFI:
+ case OP_DNCREF:
+ count = GET2(cc, 1 + IMM2_SIZE);
+ slot = common->name_table + GET2(cc, 1) * common->name_entry_size;
+ while (count-- > 0)
{
- if (STRCMP_UC_UC(name2 + IMM2_SIZE, name + IMM2_SIZE) == 0)
- common->optimized_cbracket[GET2(name2, 0)] = 0;
- name2 += common->name_entry_size;
+ common->optimized_cbracket[GET2(slot, 0)] = 0;
+ slot += common->name_entry_size;
}
- cc += 1 + IMM2_SIZE;
+ cc += 1 + 2 * IMM2_SIZE;
break;
case OP_RECURSE:
@@ -4027,14 +4023,15 @@ DEFINE_COMPILER;
jump_list *found = NULL;
jump_list **list = (*cc & XCL_NOT) == 0 ? &found : backtracks;
pcre_int32 c, charoffset;
-const pcre_uint32 *other_cases;
struct sljit_jump *jump = NULL;
pcre_uchar *ccbegin;
int compares, invertcmp, numberofcmps;
+
#ifdef SUPPORT_UCP
BOOL needstype = FALSE, needsscript = FALSE, needschar = FALSE;
BOOL charsaved = FALSE;
int typereg = TMP1, scriptreg = TMP1;
+const pcre_uint32 *other_cases;
pcre_int32 typeoffset;
#endif
@@ -4130,6 +4127,9 @@ while (*cc != XCL_END)
case PT_SPACE:
case PT_PXSPACE:
case PT_WORD:
+ case PT_PXGRAPH:
+ case PT_PXPRINT:
+ case PT_PXPUNCT:
needstype = TRUE;
needschar = TRUE;
break;
@@ -4317,16 +4317,15 @@ while (*cc != XCL_END)
case PT_SPACE:
case PT_PXSPACE:
- if (*cc == PT_SPACE)
- {
- OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, 0);
- jump = CMP(SLJIT_C_EQUAL, TMP1, 0, SLJIT_IMM, 11 - charoffset);
- }
SET_CHAR_OFFSET(9);
- OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 13 - 9);
+ OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0xd - 0x9);
OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_UNUSED, 0, SLJIT_C_LESS_EQUAL);
- if (*cc == PT_SPACE)
- JUMPHERE(jump);
+
+ OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x85 - 0x9);
+ OP_FLAGS(SLJIT_OR | SLJIT_SET_E, TMP2, 0, TMP2, 0, SLJIT_C_EQUAL);
+
+ OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x180e - 0x9);
+ OP_FLAGS(SLJIT_OR | SLJIT_SET_E, TMP2, 0, TMP2, 0, SLJIT_C_EQUAL);
SET_TYPE_OFFSET(ucp_Zl);
OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, typereg, 0, SLJIT_IMM, ucp_Zs - ucp_Zl);
@@ -4418,6 +4417,67 @@ while (*cc != XCL_END)
OP_FLAGS(SLJIT_OR | SLJIT_SET_E, TMP2, 0, TMP2, 0, SLJIT_C_GREATER_EQUAL);
jump = JUMP(SLJIT_C_NOT_ZERO ^ invertcmp);
break;
+
+ case PT_PXGRAPH:
+ /* C and Z groups are the farthest two groups. */
+ SET_TYPE_OFFSET(ucp_Ll);
+ OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, typereg, 0, SLJIT_IMM, ucp_So - ucp_Ll);
+ OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_UNUSED, 0, SLJIT_C_GREATER);
+
+ jump = CMP(SLJIT_C_NOT_EQUAL, typereg, 0, SLJIT_IMM, ucp_Cf - ucp_Ll);
+
+ /* In case of ucp_Cf, we overwrite the result. */
+ SET_CHAR_OFFSET(0x2066);
+ OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x2069 - 0x2066);
+ OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_UNUSED, 0, SLJIT_C_LESS_EQUAL);
+
+ OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x061c - 0x2066);
+ OP_FLAGS(SLJIT_OR, TMP2, 0, TMP2, 0, SLJIT_C_EQUAL);
+
+ OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x180e - 0x2066);
+ OP_FLAGS(SLJIT_OR, TMP2, 0, TMP2, 0, SLJIT_C_EQUAL);
+
+ JUMPHERE(jump);
+ jump = CMP(SLJIT_C_ZERO ^ invertcmp, TMP2, 0, SLJIT_IMM, 0);
+ break;
+
+ case PT_PXPRINT:
+ /* C and Z groups are the farthest two groups. */
+ SET_TYPE_OFFSET(ucp_Ll);
+ OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, typereg, 0, SLJIT_IMM, ucp_So - ucp_Ll);
+ OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_UNUSED, 0, SLJIT_C_GREATER);
+
+ OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, typereg, 0, SLJIT_IMM, ucp_Zs - ucp_Ll);
+ OP_FLAGS(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_C_NOT_EQUAL);
+
+ jump = CMP(SLJIT_C_NOT_EQUAL, typereg, 0, SLJIT_IMM, ucp_Cf - ucp_Ll);
+
+ /* In case of ucp_Cf, we overwrite the result. */
+ SET_CHAR_OFFSET(0x2066);
+ OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x2069 - 0x2066);
+ OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_UNUSED, 0, SLJIT_C_LESS_EQUAL);
+
+ OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x061c - 0x2066);
+ OP_FLAGS(SLJIT_OR, TMP2, 0, TMP2, 0, SLJIT_C_EQUAL);
+
+ JUMPHERE(jump);
+ jump = CMP(SLJIT_C_ZERO ^ invertcmp, TMP2, 0, SLJIT_IMM, 0);
+ break;
+
+ case PT_PXPUNCT:
+ SET_TYPE_OFFSET(ucp_Sc);
+ OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, typereg, 0, SLJIT_IMM, ucp_So - ucp_Sc);
+ OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_UNUSED, 0, SLJIT_C_LESS_EQUAL);
+
+ SET_CHAR_OFFSET(0);
+ OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0xff);
+ OP_FLAGS(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_C_LESS_EQUAL);
+
+ SET_TYPE_OFFSET(ucp_Pc);
+ OP2(SLJIT_SUB | SLJIT_SET_U, SLJIT_UNUSED, 0, typereg, 0, SLJIT_IMM, ucp_Ps - ucp_Pc);
+ OP_FLAGS(SLJIT_OR | SLJIT_SET_E, TMP2, 0, TMP2, 0, SLJIT_C_LESS_EQUAL);
+ jump = JUMP(SLJIT_C_NOT_ZERO ^ invertcmp);
+ break;
}
cc += 2;
}
@@ -5056,28 +5116,6 @@ if (context.length > 0)
return compile_char1_matchingpath(common, *cc, cc + 1, backtracks);
}
-static struct sljit_jump *compile_ref_checks(compiler_common *common, pcre_uchar *cc, jump_list **backtracks)
-{
-DEFINE_COMPILER;
-int offset = GET2(cc, 1) << 1;
-
-OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(offset));
-if (!common->jscript_compat)
- {
- if (backtracks == NULL)
- {
- /* OVECTOR(1) contains the "string begin - 1" constant. */
- OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(1));
- OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_UNUSED, 0, SLJIT_C_EQUAL);
- OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(offset + 1));
- OP_FLAGS(SLJIT_OR | SLJIT_SET_E, TMP2, 0, TMP2, 0, SLJIT_C_EQUAL);
- return JUMP(SLJIT_C_NOT_ZERO);
- }
- add_jump(compiler, backtracks, CMP(SLJIT_C_EQUAL, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(1)));
- }
-return CMP(SLJIT_C_EQUAL, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(offset + 1));
-}
-
/* Forward definitions. */
static void compile_matchingpath(compiler_common *, pcre_uchar *, pcre_uchar *, backtrack_common *);
static void compile_backtrackingpath(compiler_common *, struct backtrack_common *);
@@ -5110,24 +5148,65 @@ static void compile_backtrackingpath(compiler_common *, struct backtrack_common
#define BACKTRACK_AS(type) ((type *)backtrack)
-static pcre_uchar *compile_ref_matchingpath(compiler_common *common, pcre_uchar *cc, jump_list **backtracks, BOOL withchecks, BOOL emptyfail)
+static void compile_dnref_search(compiler_common *common, pcre_uchar *cc, jump_list **backtracks)
+{
+/* The OVECTOR offset goes to TMP2. */
+DEFINE_COMPILER;
+int count = GET2(cc, 1 + IMM2_SIZE);
+pcre_uchar *slot = common->name_table + GET2(cc, 1) * common->name_entry_size;
+unsigned int offset;
+jump_list *found = NULL;
+
+SLJIT_ASSERT(*cc == OP_DNREF || *cc == OP_DNREFI);
+
+OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(1));
+
+count--;
+while (count-- > 0)
+ {
+ offset = GET2(slot, 0) << 1;
+ GET_LOCAL_BASE(TMP2, 0, OVECTOR(offset));
+ add_jump(compiler, &found, CMP(SLJIT_C_NOT_EQUAL, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(offset), TMP1, 0));
+ slot += common->name_entry_size;
+ }
+
+offset = GET2(slot, 0) << 1;
+GET_LOCAL_BASE(TMP2, 0, OVECTOR(offset));
+if (backtracks != NULL && !common->jscript_compat)
+ add_jump(compiler, backtracks, CMP(SLJIT_C_EQUAL, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(offset), TMP1, 0));
+
+set_jumps(found, LABEL());
+}
+
+static void compile_ref_matchingpath(compiler_common *common, pcre_uchar *cc, jump_list **backtracks, BOOL withchecks, BOOL emptyfail)
{
DEFINE_COMPILER;
-int offset = GET2(cc, 1) << 1;
+BOOL ref = (*cc == OP_REF || *cc == OP_REFI);
+int offset = 0;
struct sljit_jump *jump = NULL;
struct sljit_jump *partial;
struct sljit_jump *nopartial;
-OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(offset));
-/* OVECTOR(1) contains the "string begin - 1" constant. */
-if (withchecks && !common->jscript_compat)
- add_jump(compiler, backtracks, CMP(SLJIT_C_EQUAL, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(1)));
+if (ref)
+ {
+ offset = GET2(cc, 1) << 1;
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(offset));
+ /* OVECTOR(1) contains the "string begin - 1" constant. */
+ if (withchecks && !common->jscript_compat)
+ add_jump(compiler, backtracks, CMP(SLJIT_C_EQUAL, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(1)));
+ }
+else
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP2), 0);
#if defined SUPPORT_UTF && defined SUPPORT_UCP
if (common->utf && *cc == OP_REFI)
{
SLJIT_ASSERT(TMP1 == SLJIT_SCRATCH_REG1 && STACK_TOP == SLJIT_SCRATCH_REG2 && TMP2 == SLJIT_SCRATCH_REG3);
- OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(offset + 1));
+ if (ref)
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(offset + 1));
+ else
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(TMP2), sizeof(sljit_sw));
+
if (withchecks)
jump = CMP(SLJIT_C_EQUAL, TMP1, 0, TMP2, 0);
@@ -5152,7 +5231,11 @@ if (common->utf && *cc == OP_REFI)
else
#endif /* SUPPORT_UTF && SUPPORT_UCP */
{
- OP2(SLJIT_SUB | SLJIT_SET_E, TMP2, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(offset + 1), TMP1, 0);
+ if (ref)
+ OP2(SLJIT_SUB | SLJIT_SET_E, TMP2, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(offset + 1), TMP1, 0);
+ else
+ OP2(SLJIT_SUB | SLJIT_SET_E, TMP2, 0, SLJIT_MEM1(TMP2), sizeof(sljit_sw), TMP1, 0);
+
if (withchecks)
jump = JUMP(SLJIT_C_ZERO);
@@ -5189,14 +5272,15 @@ if (jump != NULL)
else
JUMPHERE(jump);
}
-return cc + 1 + IMM2_SIZE;
}
static SLJIT_INLINE pcre_uchar *compile_ref_iterator_matchingpath(compiler_common *common, pcre_uchar *cc, backtrack_common *parent)
{
DEFINE_COMPILER;
+BOOL ref = (*cc == OP_REF || *cc == OP_REFI);
backtrack_common *backtrack;
pcre_uchar type;
+int offset = 0;
struct sljit_label *label;
struct sljit_jump *zerolength;
struct sljit_jump *jump = NULL;
@@ -5206,7 +5290,13 @@ BOOL minimize;
PUSH_BACKTRACK(sizeof(iterator_backtrack), cc, NULL);
+if (ref)
+ offset = GET2(cc, 1) << 1;
+else
+ cc += IMM2_SIZE;
type = cc[1 + IMM2_SIZE];
+
+SLJIT_COMPILE_ASSERT((OP_CRSTAR & 0x1) == 0, crstar_opcode_must_be_even);
minimize = (type & 0x1) != 0;
switch(type)
{
@@ -5244,25 +5334,52 @@ if (!minimize)
if (min == 0)
{
allocate_stack(common, 2);
+ if (ref)
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(offset));
OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), STR_PTR, 0);
OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(1), SLJIT_IMM, 0);
/* Temporary release of STR_PTR. */
OP2(SLJIT_SUB, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, sizeof(sljit_sw));
- zerolength = compile_ref_checks(common, ccbegin, NULL);
+ /* Handles both invalid and empty cases. Since the minimum repeat,
+ is zero the invalid case is basically the same as an empty case. */
+ if (ref)
+ zerolength = CMP(SLJIT_C_EQUAL, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(offset + 1));
+ else
+ {
+ compile_dnref_search(common, ccbegin, NULL);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP2), 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), POSSESSIVE1, TMP2, 0);
+ zerolength = CMP(SLJIT_C_EQUAL, TMP1, 0, SLJIT_MEM1(TMP2), sizeof(sljit_sw));
+ }
/* Restore if not zero length. */
OP2(SLJIT_ADD, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, sizeof(sljit_sw));
}
else
{
allocate_stack(common, 1);
+ if (ref)
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(offset));
OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), SLJIT_IMM, 0);
- zerolength = compile_ref_checks(common, ccbegin, &backtrack->topbacktracks);
+ if (ref)
+ {
+ add_jump(compiler, &backtrack->topbacktracks, CMP(SLJIT_C_EQUAL, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(1)));
+ zerolength = CMP(SLJIT_C_EQUAL, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(offset + 1));
+ }
+ else
+ {
+ compile_dnref_search(common, ccbegin, &backtrack->topbacktracks);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP2), 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), POSSESSIVE1, TMP2, 0);
+ zerolength = CMP(SLJIT_C_EQUAL, TMP1, 0, SLJIT_MEM1(TMP2), sizeof(sljit_sw));
+ }
}
if (min > 1 || max > 1)
OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), POSSESSIVE0, SLJIT_IMM, 0);
label = LABEL();
+ if (!ref)
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), POSSESSIVE1);
compile_ref_matchingpath(common, ccbegin, &backtrack->topbacktracks, FALSE, FALSE);
if (min > 1 || max > 1)
@@ -5297,24 +5414,52 @@ if (!minimize)
return cc;
}
-allocate_stack(common, 2);
+allocate_stack(common, ref ? 2 : 3);
+if (ref)
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(offset));
OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), SLJIT_IMM, 0);
if (type != OP_CRMINSTAR)
OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(1), SLJIT_IMM, 0);
if (min == 0)
{
- zerolength = compile_ref_checks(common, ccbegin, NULL);
+ /* Handles both invalid and empty cases. Since the minimum repeat,
+ is zero the invalid case is basically the same as an empty case. */
+ if (ref)
+ zerolength = CMP(SLJIT_C_EQUAL, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(offset + 1));
+ else
+ {
+ compile_dnref_search(common, ccbegin, NULL);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP2), 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(2), TMP2, 0);
+ zerolength = CMP(SLJIT_C_EQUAL, TMP1, 0, SLJIT_MEM1(TMP2), sizeof(sljit_sw));
+ }
+ /* Length is non-zero, we can match real repeats. */
OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), STR_PTR, 0);
jump = JUMP(SLJIT_JUMP);
}
else
- zerolength = compile_ref_checks(common, ccbegin, &backtrack->topbacktracks);
+ {
+ if (ref)
+ {
+ add_jump(compiler, &backtrack->topbacktracks, CMP(SLJIT_C_EQUAL, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(1)));
+ zerolength = CMP(SLJIT_C_EQUAL, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(offset + 1));
+ }
+ else
+ {
+ compile_dnref_search(common, ccbegin, &backtrack->topbacktracks);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP2), 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(2), TMP2, 0);
+ zerolength = CMP(SLJIT_C_EQUAL, TMP1, 0, SLJIT_MEM1(TMP2), sizeof(sljit_sw));
+ }
+ }
BACKTRACK_AS(iterator_backtrack)->matchingpath = LABEL();
if (max > 0)
add_jump(compiler, &backtrack->topbacktracks, CMP(SLJIT_C_GREATER_EQUAL, SLJIT_MEM1(STACK_TOP), STACK(1), SLJIT_IMM, max));
+if (!ref)
+ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(STACK_TOP), STACK(2));
compile_ref_matchingpath(common, ccbegin, &backtrack->topbacktracks, TRUE, TRUE);
OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), STR_PTR, 0);
@@ -5902,116 +6047,6 @@ common->accept = save_accept;
return cc + 1 + LINK_SIZE;
}
-static sljit_sw SLJIT_CALL do_searchovector(sljit_uw refno, sljit_sw* locals, pcre_uchar *name_table)
-{
-int condition = FALSE;
-pcre_uchar *slotA = name_table;
-pcre_uchar *slotB;
-sljit_sw name_count = locals[LOCALS0 / sizeof(sljit_sw)];
-sljit_sw name_entry_size = locals[LOCALS1 / sizeof(sljit_sw)];
-sljit_sw no_capture;
-int i;
-
-locals += refno & 0xff;
-refno >>= 8;
-no_capture = locals[1];
-
-for (i = 0; i < name_count; i++)
- {
- if (GET2(slotA, 0) == refno) break;
- slotA += name_entry_size;
- }
-
-if (i < name_count)
- {
- /* Found a name for the number - there can be only one; duplicate names
- for different numbers are allowed, but not vice versa. First scan down
- for duplicates. */
-
- slotB = slotA;
- while (slotB > name_table)
- {
- slotB -= name_entry_size;
- if (STRCMP_UC_UC(slotA + IMM2_SIZE, slotB + IMM2_SIZE) == 0)
- {
- condition = locals[GET2(slotB, 0) << 1] != no_capture;
- if (condition) break;
- }
- else break;
- }
-
- /* Scan up for duplicates */
- if (!condition)
- {
- slotB = slotA;
- for (i++; i < name_count; i++)
- {
- slotB += name_entry_size;
- if (STRCMP_UC_UC(slotA + IMM2_SIZE, slotB + IMM2_SIZE) == 0)
- {
- condition = locals[GET2(slotB, 0) << 1] != no_capture;
- if (condition) break;
- }
- else break;
- }
- }
- }
-return condition;
-}
-
-static sljit_sw SLJIT_CALL do_searchgroups(sljit_uw recno, sljit_uw* locals, pcre_uchar *name_table)
-{
-int condition = FALSE;
-pcre_uchar *slotA = name_table;
-pcre_uchar *slotB;
-sljit_uw name_count = locals[LOCALS0 / sizeof(sljit_sw)];
-sljit_uw name_entry_size = locals[LOCALS1 / sizeof(sljit_sw)];
-sljit_uw group_num = locals[POSSESSIVE0 / sizeof(sljit_sw)];
-sljit_uw i;
-
-for (i = 0; i < name_count; i++)
- {
- if (GET2(slotA, 0) == recno) break;
- slotA += name_entry_size;
- }
-
-if (i < name_count)
- {
- /* Found a name for the number - there can be only one; duplicate
- names for different numbers are allowed, but not vice versa. First
- scan down for duplicates. */
-
- slotB = slotA;
- while (slotB > name_table)
- {
- slotB -= name_entry_size;
- if (STRCMP_UC_UC(slotA + IMM2_SIZE, slotB + IMM2_SIZE) == 0)
- {
- condition = GET2(slotB, 0) == group_num;
- if (condition) break;
- }
- else break;
- }
-
- /* Scan up for duplicates */
- if (!condition)
- {
- slotB = slotA;
- for (i++; i < name_count; i++)
- {
- slotB += name_entry_size;
- if (STRCMP_UC_UC(slotA + IMM2_SIZE, slotB + IMM2_SIZE) == 0)
- {
- condition = GET2(slotB, 0) == group_num;
- if (condition) break;
- }
- else break;
- }
- }
- }
-return condition;
-}
-
static SLJIT_INLINE void match_once_common(compiler_common *common, pcre_uchar ket, int framesize, int private_data_ptr, BOOL has_alternatives, BOOL needs_control_head)
{
DEFINE_COMPILER;
@@ -6144,11 +6179,12 @@ backtrack_common *backtrack;
pcre_uchar opcode;
int private_data_ptr = 0;
int offset = 0;
-int stacksize;
+int i, stacksize;
int repeat_ptr = 0, repeat_length = 0;
int repeat_type = 0, repeat_count = 0;
pcre_uchar *ccbegin;
pcre_uchar *matchingpath;
+pcre_uchar *slot;
pcre_uchar bra = OP_BRA;
pcre_uchar ket;
assert_backtrack *assert;
@@ -6198,20 +6234,8 @@ SLJIT_ASSERT(!((bra == OP_BRAZERO && ket == OP_KETRMIN) || (bra == OP_BRAMINZERO
cc += GET(cc, 1);
has_alternatives = *cc == OP_ALT;
-if (SLJIT_UNLIKELY(opcode == OP_COND) || SLJIT_UNLIKELY(opcode == OP_SCOND))
- {
- has_alternatives = (*matchingpath == OP_RREF) ? FALSE : TRUE;
- if (*matchingpath == OP_NRREF)
- {
- stacksize = GET2(matchingpath, 1);
- if (common->currententry == NULL || stacksize == RREF_ANY)
- has_alternatives = FALSE;
- else if (common->currententry->start == 0)
- has_alternatives = stacksize != 0;
- else
- has_alternatives = stacksize != (int)GET2(common->start, common->currententry->start + 1 + LINK_SIZE);
- }
- }
+if (SLJIT_UNLIKELY(opcode == OP_COND || opcode == OP_SCOND))
+ has_alternatives = (*matchingpath == OP_RREF || *matchingpath == OP_DNRREF) ? FALSE : TRUE;
if (SLJIT_UNLIKELY(opcode == OP_COND) && (*cc == OP_KETRMAX || *cc == OP_KETRMIN))
opcode = OP_SCOND;
@@ -6448,47 +6472,73 @@ if (opcode == OP_COND || opcode == OP_SCOND)
CMP(SLJIT_C_EQUAL, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(GET2(matchingpath, 1) << 1), SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(1)));
matchingpath += 1 + IMM2_SIZE;
}
- else if (*matchingpath == OP_NCREF)
+ else if (*matchingpath == OP_DNCREF)
{
SLJIT_ASSERT(has_alternatives);
- stacksize = GET2(matchingpath, 1);
- jump = CMP(SLJIT_C_NOT_EQUAL, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(stacksize << 1), SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(1));
-
- OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), POSSESSIVE1, STACK_TOP, 0);
- OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS0, SLJIT_IMM, common->name_count);
- OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS1, SLJIT_IMM, common->name_entry_size);
- OP1(SLJIT_MOV, SLJIT_SCRATCH_REG1, 0, SLJIT_IMM, (stacksize << 8) | (common->ovector_start / sizeof(sljit_sw)));
- GET_LOCAL_BASE(SLJIT_SCRATCH_REG2, 0, 0);
- OP1(SLJIT_MOV, SLJIT_SCRATCH_REG3, 0, SLJIT_IMM, common->name_table);
- sljit_emit_ijump(compiler, SLJIT_CALL3, SLJIT_IMM, SLJIT_FUNC_OFFSET(do_searchovector));
- OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), POSSESSIVE1);
- add_jump(compiler, &(BACKTRACK_AS(bracket_backtrack)->u.condfailed), CMP(SLJIT_C_EQUAL, SLJIT_SCRATCH_REG1, 0, SLJIT_IMM, 0));
- JUMPHERE(jump);
- matchingpath += 1 + IMM2_SIZE;
+ i = GET2(matchingpath, 1 + IMM2_SIZE);
+ slot = common->name_table + GET2(matchingpath, 1) * common->name_entry_size;
+ OP1(SLJIT_MOV, TMP3, 0, STR_PTR, 0);
+ OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(1));
+ OP2(SLJIT_SUB | SLJIT_SET_E, TMP2, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(GET2(slot, 0) << 1), TMP1, 0);
+ slot += common->name_entry_size;
+ i--;
+ while (i-- > 0)
+ {
+ OP2(SLJIT_SUB, STR_PTR, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), OVECTOR(GET2(slot, 0) << 1), TMP1, 0);
+ OP2(SLJIT_OR | SLJIT_SET_E, TMP2, 0, TMP2, 0, STR_PTR, 0);
+ slot += common->name_entry_size;
+ }
+ OP1(SLJIT_MOV, STR_PTR, 0, TMP3, 0);
+ add_jump(compiler, &(BACKTRACK_AS(bracket_backtrack)->u.condfailed), JUMP(SLJIT_C_ZERO));
+ matchingpath += 1 + 2 * IMM2_SIZE;
}
- else if (*matchingpath == OP_RREF || *matchingpath == OP_NRREF)
+ else if (*matchingpath == OP_RREF || *matchingpath == OP_DNRREF)
{
/* Never has other case. */
BACKTRACK_AS(bracket_backtrack)->u.condfailed = NULL;
+ SLJIT_ASSERT(!has_alternatives);
- stacksize = GET2(matchingpath, 1);
- if (common->currententry == NULL)
- stacksize = 0;
- else if (stacksize == RREF_ANY)
- stacksize = 1;
- else if (common->currententry->start == 0)
- stacksize = stacksize == 0;
- else
- stacksize = stacksize == (int)GET2(common->start, common->currententry->start + 1 + LINK_SIZE);
-
- if (*matchingpath == OP_RREF || stacksize || common->currententry == NULL)
+ if (*matchingpath == OP_RREF)
{
- SLJIT_ASSERT(!has_alternatives);
+ stacksize = GET2(matchingpath, 1);
+ if (common->currententry == NULL)
+ stacksize = 0;
+ else if (stacksize == RREF_ANY)
+ stacksize = 1;
+ else if (common->currententry->start == 0)
+ stacksize = stacksize == 0;
+ else
+ stacksize = stacksize == (int)GET2(common->start, common->currententry->start + 1 + LINK_SIZE);
+
if (stacksize != 0)
matchingpath += 1 + IMM2_SIZE;
+ }
+ else
+ {
+ if (common->currententry == NULL || common->currententry->start == 0)
+ stacksize = 0;
else
{
+ stacksize = GET2(matchingpath, 1 + IMM2_SIZE);
+ slot = common->name_table + GET2(matchingpath, 1) * common->name_entry_size;
+ i = (int)GET2(common->start, common->currententry->start + 1 + LINK_SIZE);
+ while (stacksize > 0)
+ {
+ if ((int)GET2(slot, 0) == i)
+ break;
+ slot += common->name_entry_size;
+ stacksize--;
+ }
+ }
+
+ if (stacksize != 0)
+ matchingpath += 1 + 2 * IMM2_SIZE;
+ }
+
+ /* The stacksize == 0 is a common "else" case. */
+ if (stacksize == 0)
+ {
if (*cc == OP_ALT)
{
matchingpath = cc + 1 + LINK_SIZE;
@@ -6497,24 +6547,6 @@ if (opcode == OP_COND || opcode == OP_SCOND)
else
matchingpath = cc;
}
- }
- else
- {
- SLJIT_ASSERT(has_alternatives);
-
- stacksize = GET2(matchingpath, 1);
- OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), POSSESSIVE1, STACK_TOP, 0);
- OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS0, SLJIT_IMM, common->name_count);
- OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), LOCALS1, SLJIT_IMM, common->name_entry_size);
- OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), POSSESSIVE0, SLJIT_IMM, GET2(common->start, common->currententry->start + 1 + LINK_SIZE));
- OP1(SLJIT_MOV, SLJIT_SCRATCH_REG1, 0, SLJIT_IMM, stacksize);
- GET_LOCAL_BASE(SLJIT_SCRATCH_REG2, 0, 0);
- OP1(SLJIT_MOV, SLJIT_SCRATCH_REG3, 0, SLJIT_IMM, common->name_table);
- sljit_emit_ijump(compiler, SLJIT_CALL3, SLJIT_IMM, SLJIT_FUNC_OFFSET(do_searchgroups));
- OP1(SLJIT_MOV, STACK_TOP, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), POSSESSIVE1);
- add_jump(compiler, &(BACKTRACK_AS(bracket_backtrack)->u.condfailed), CMP(SLJIT_C_EQUAL, SLJIT_SCRATCH_REG1, 0, SLJIT_IMM, 0));
- matchingpath += 1 + IMM2_SIZE;
- }
}
else
{
@@ -6956,7 +6988,7 @@ count_match(common);
return cc + 1 + LINK_SIZE;
}
-static SLJIT_INLINE pcre_uchar *get_iterator_parameters(compiler_common *common, pcre_uchar *cc, pcre_uchar *opcode, pcre_uchar *type, int *arg1, int *arg2, pcre_uchar **end)
+static SLJIT_INLINE pcre_uchar *get_iterator_parameters(compiler_common *common, pcre_uchar *cc, pcre_uchar *opcode, pcre_uchar *type, int *max, int *min, pcre_uchar **end)
{
int class_len;
@@ -6992,7 +7024,7 @@ else if (*opcode >= OP_TYPESTAR && *opcode <= OP_TYPEPOSUPTO)
}
else
{
- SLJIT_ASSERT(*opcode >= OP_CLASS || *opcode <= OP_XCLASS);
+ SLJIT_ASSERT(*opcode == OP_CLASS || *opcode == OP_NCLASS || *opcode == OP_XCLASS);
*type = *opcode;
cc++;
class_len = (*type < OP_XCLASS) ? (int)(1 + (32 / sizeof(pcre_uchar))) : GET(cc, 0);
@@ -7003,18 +7035,24 @@ else
if (end != NULL)
*end = cc + class_len;
}
+ else if (*opcode >= OP_CRPOSSTAR && *opcode <= OP_CRPOSQUERY)
+ {
+ *opcode -= OP_CRPOSSTAR - OP_POSSTAR;
+ if (end != NULL)
+ *end = cc + class_len;
+ }
else
{
- SLJIT_ASSERT(*opcode == OP_CRRANGE || *opcode == OP_CRMINRANGE);
- *arg1 = GET2(cc, (class_len + IMM2_SIZE));
- *arg2 = GET2(cc, class_len);
+ SLJIT_ASSERT(*opcode == OP_CRRANGE || *opcode == OP_CRMINRANGE || *opcode == OP_CRPOSRANGE);
+ *max = GET2(cc, (class_len + IMM2_SIZE));
+ *min = GET2(cc, class_len);
- if (*arg2 == 0)
+ if (*min == 0)
{
- SLJIT_ASSERT(*arg1 != 0);
- *opcode = (*opcode == OP_CRRANGE) ? OP_UPTO : OP_MINUPTO;
+ SLJIT_ASSERT(*max != 0);
+ *opcode = (*opcode == OP_CRRANGE) ? OP_UPTO : (*opcode == OP_CRMINRANGE ? OP_MINUPTO : OP_POSUPTO);
}
- if (*arg1 == *arg2)
+ if (*max == *min)
*opcode = OP_EXACT;
if (end != NULL)
@@ -7025,7 +7063,7 @@ else
if (*opcode == OP_UPTO || *opcode == OP_MINUPTO || *opcode == OP_EXACT || *opcode == OP_POSUPTO)
{
- *arg1 = GET2(cc, 0);
+ *max = GET2(cc, 0);
cc += IMM2_SIZE;
}
@@ -7054,7 +7092,7 @@ DEFINE_COMPILER;
backtrack_common *backtrack;
pcre_uchar opcode;
pcre_uchar type;
-int arg1 = -1, arg2 = -1;
+int max = -1, min = -1;
pcre_uchar* end;
jump_list *nomatch = NULL;
struct sljit_jump *jump = NULL;
@@ -7067,7 +7105,7 @@ int tmp_base, tmp_offset;
PUSH_BACKTRACK(sizeof(iterator_backtrack), cc, NULL);
-cc = get_iterator_parameters(common, cc, &opcode, &type, &arg1, &arg2, &end);
+cc = get_iterator_parameters(common, cc, &opcode, &type, &max, &min, &end);
switch(type)
{
@@ -7138,10 +7176,10 @@ switch(opcode)
{
OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_LOCALS_REG), POSSESSIVE0);
OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, 1);
- if (opcode == OP_CRRANGE && arg2 > 0)
- CMPTO(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, arg2, label);
- if (opcode == OP_UPTO || (opcode == OP_CRRANGE && arg1 > 0))
- jump = CMP(SLJIT_C_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, arg1);
+ if (opcode == OP_CRRANGE && min > 0)
+ CMPTO(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, min, label);
+ if (opcode == OP_UPTO || (opcode == OP_CRRANGE && max > 0))
+ jump = CMP(SLJIT_C_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, max);
OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), POSSESSIVE0, TMP1, 0);
}
@@ -7168,7 +7206,7 @@ switch(opcode)
OP1(SLJIT_MOV, base, offset0, STR_PTR, 0);
if (opcode <= OP_PLUS)
JUMPTO(SLJIT_JUMP, label);
- else if (opcode == OP_CRRANGE && arg1 == 0)
+ else if (opcode == OP_CRRANGE && max == 0)
{
OP2(SLJIT_ADD, base, offset1, base, offset1, SLJIT_IMM, 1);
JUMPTO(SLJIT_JUMP, label);
@@ -7178,11 +7216,11 @@ switch(opcode)
OP1(SLJIT_MOV, TMP1, 0, base, offset1);
OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, 1);
OP1(SLJIT_MOV, base, offset1, TMP1, 0);
- CMPTO(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, arg1 + 1, label);
+ CMPTO(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, max + 1, label);
}
set_jumps(nomatch, LABEL());
if (opcode == OP_CRRANGE)
- add_jump(compiler, &backtrack->topbacktracks, CMP(SLJIT_C_LESS, base, offset1, SLJIT_IMM, arg2 + 1));
+ add_jump(compiler, &backtrack->topbacktracks, CMP(SLJIT_C_LESS, base, offset1, SLJIT_IMM, min + 1));
OP1(SLJIT_MOV, STR_PTR, 0, base, offset0);
}
BACKTRACK_AS(iterator_backtrack)->matchingpath = LABEL();
@@ -7220,7 +7258,7 @@ switch(opcode)
break;
case OP_EXACT:
- OP1(SLJIT_MOV, tmp_base, tmp_offset, SLJIT_IMM, arg1);
+ OP1(SLJIT_MOV, tmp_base, tmp_offset, SLJIT_IMM, max);
label = LABEL();
compile_char1_matchingpath(common, type, cc, &backtrack->topbacktracks);
OP2(SLJIT_SUB | SLJIT_SET_E, tmp_base, tmp_offset, tmp_base, tmp_offset, SLJIT_IMM, 1);
@@ -7233,7 +7271,7 @@ switch(opcode)
if (opcode == OP_POSPLUS)
compile_char1_matchingpath(common, type, cc, &backtrack->topbacktracks);
if (opcode == OP_POSUPTO)
- OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), POSSESSIVE1, SLJIT_IMM, arg1);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), POSSESSIVE1, SLJIT_IMM, max);
OP1(SLJIT_MOV, tmp_base, tmp_offset, STR_PTR, 0);
label = LABEL();
compile_char1_matchingpath(common, type, cc, &nomatch);
@@ -7257,6 +7295,34 @@ switch(opcode)
OP1(SLJIT_MOV, STR_PTR, 0, tmp_base, tmp_offset);
break;
+ case OP_CRPOSRANGE:
+ /* Combination of OP_EXACT and OP_POSSTAR or OP_POSUPTO */
+ OP1(SLJIT_MOV, tmp_base, tmp_offset, SLJIT_IMM, min);
+ label = LABEL();
+ compile_char1_matchingpath(common, type, cc, &backtrack->topbacktracks);
+ OP2(SLJIT_SUB | SLJIT_SET_E, tmp_base, tmp_offset, tmp_base, tmp_offset, SLJIT_IMM, 1);
+ JUMPTO(SLJIT_C_NOT_ZERO, label);
+
+ if (max != 0)
+ {
+ SLJIT_ASSERT(max - min > 0);
+ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_LOCALS_REG), POSSESSIVE1, SLJIT_IMM, max - min);
+ }
+ OP1(SLJIT_MOV, tmp_base, tmp_offset, STR_PTR, 0);
+ label = LABEL();
+ compile_char1_matchingpath(common, type, cc, &nomatch);
+ OP1(SLJIT_MOV, tmp_base, tmp_offset, STR_PTR, 0);
+ if (max == 0)
+ JUMPTO(SLJIT_JUMP, label);
+ else
+ {
+ OP2(SLJIT_SUB | SLJIT_SET_E, SLJIT_MEM1(SLJIT_LOCALS_REG), POSSESSIVE1, SLJIT_MEM1(SLJIT_LOCALS_REG), POSSESSIVE1, SLJIT_IMM, 1);
+ JUMPTO(SLJIT_C_NOT_ZERO, label);
+ }
+ set_jumps(nomatch, LABEL());
+ OP1(SLJIT_MOV, STR_PTR, 0, tmp_base, tmp_offset);
+ break;
+
default:
SLJIT_ASSERT_STOP();
break;
@@ -7534,7 +7600,7 @@ while (cc < ccend)
case OP_CLASS:
case OP_NCLASS:
- if (cc[1 + (32 / sizeof(pcre_uchar))] >= OP_CRSTAR && cc[1 + (32 / sizeof(pcre_uchar))] <= OP_CRMINRANGE)
+ if (cc[1 + (32 / sizeof(pcre_uchar))] >= OP_CRSTAR && cc[1 + (32 / sizeof(pcre_uchar))] <= OP_CRPOSRANGE)
cc = compile_iterator_matchingpath(common, cc, parent);
else
cc = compile_char1_matchingpath(common, *cc, cc + 1, parent->top != NULL ? &parent->top->nextbacktracks : &parent->topbacktracks);
@@ -7542,7 +7608,7 @@ while (cc < ccend)
#if defined SUPPORT_UTF || defined COMPILE_PCRE16 || defined COMPILE_PCRE32
case OP_XCLASS:
- if (*(cc + GET(cc, 1)) >= OP_CRSTAR && *(cc + GET(cc, 1)) <= OP_CRMINRANGE)
+ if (*(cc + GET(cc, 1)) >= OP_CRSTAR && *(cc + GET(cc, 1)) <= OP_CRPOSRANGE)
cc = compile_iterator_matchingpath(common, cc, parent);
else
cc = compile_char1_matchingpath(common, *cc, cc + 1, parent->top != NULL ? &parent->top->nextbacktracks : &parent->topbacktracks);
@@ -7551,10 +7617,25 @@ while (cc < ccend)
case OP_REF:
case OP_REFI:
- if (cc[1 + IMM2_SIZE] >= OP_CRSTAR && cc[1 + IMM2_SIZE] <= OP_CRMINRANGE)
+ if (cc[1 + IMM2_SIZE] >= OP_CRSTAR && cc[1 + IMM2_SIZE] <= OP_CRPOSRANGE)
+ cc = compile_ref_iterator_matchingpath(common, cc, parent);
+ else
+ {
+ compile_ref_matchingpath(common, cc, parent->top != NULL ? &parent->top->nextbacktracks : &parent->topbacktracks, TRUE, FALSE);
+ cc += 1 + IMM2_SIZE;
+ }
+ break;
+
+ case OP_DNREF:
+ case OP_DNREFI:
+ if (cc[1 + 2 * IMM2_SIZE] >= OP_CRSTAR && cc[1 + 2 * IMM2_SIZE] <= OP_CRPOSRANGE)
cc = compile_ref_iterator_matchingpath(common, cc, parent);
else
- cc = compile_ref_matchingpath(common, cc, parent->top != NULL ? &parent->top->nextbacktracks : &parent->topbacktracks, TRUE, FALSE);
+ {
+ compile_dnref_search(common, cc, parent->top != NULL ? &parent->top->nextbacktracks : &parent->topbacktracks);
+ compile_ref_matchingpath(common, cc, parent->top != NULL ? &parent->top->nextbacktracks : &parent->topbacktracks, TRUE, FALSE);
+ cc += 1 + 2 * IMM2_SIZE;
+ }
break;
case OP_RECURSE:
@@ -7707,7 +7788,7 @@ DEFINE_COMPILER;
pcre_uchar *cc = current->cc;
pcre_uchar opcode;
pcre_uchar type;
-int arg1 = -1, arg2 = -1;
+int max = -1, min = -1;
struct sljit_label *label = NULL;
struct sljit_jump *jump = NULL;
jump_list *jumplist = NULL;
@@ -7716,7 +7797,7 @@ int base = (private_data_ptr == 0) ? SLJIT_MEM1(STACK_TOP) : SLJIT_MEM1(SLJIT_LO
int offset0 = (private_data_ptr == 0) ? STACK(0) : private_data_ptr;
int offset1 = (private_data_ptr == 0) ? STACK(1) : private_data_ptr + (int)sizeof(sljit_sw);
-cc = get_iterator_parameters(common, cc, &opcode, &type, &arg1, &arg2, NULL);
+cc = get_iterator_parameters(common, cc, &opcode, &type, &max, &min, NULL);
switch(opcode)
{
@@ -7735,7 +7816,7 @@ switch(opcode)
else
{
if (opcode == OP_UPTO)
- arg2 = 0;
+ min = 0;
if (opcode <= OP_PLUS)
{
OP1(SLJIT_MOV, STR_PTR, 0, base, offset0);
@@ -7745,7 +7826,7 @@ switch(opcode)
{
OP1(SLJIT_MOV, TMP1, 0, base, offset1);
OP1(SLJIT_MOV, STR_PTR, 0, base, offset0);
- jump = CMP(SLJIT_C_LESS_EQUAL, TMP1, 0, SLJIT_IMM, arg2 + 1);
+ jump = CMP(SLJIT_C_LESS_EQUAL, TMP1, 0, SLJIT_IMM, min + 1);
OP2(SLJIT_SUB, base, offset1, TMP1, 0, SLJIT_IMM, 1);
}
skip_char_back(common);
@@ -7790,12 +7871,12 @@ switch(opcode)
OP1(SLJIT_MOV, base, offset1, TMP1, 0);
if (opcode == OP_CRMINRANGE)
- CMPTO(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, arg2 + 1, label);
+ CMPTO(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, min + 1, label);
- if (opcode == OP_CRMINRANGE && arg1 == 0)
+ if (opcode == OP_CRMINRANGE && max == 0)
JUMPTO(SLJIT_JUMP, CURRENT_AS(iterator_backtrack)->matchingpath);
else
- CMPTO(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, arg1 + 2, CURRENT_AS(iterator_backtrack)->matchingpath);
+ CMPTO(SLJIT_C_LESS, TMP1, 0, SLJIT_IMM, max + 2, CURRENT_AS(iterator_backtrack)->matchingpath);
set_jumps(jumplist, LABEL());
if (private_data_ptr == 0)
@@ -7830,6 +7911,7 @@ switch(opcode)
case OP_EXACT:
case OP_POSPLUS:
+ case OP_CRPOSRANGE:
set_jumps(current->topbacktracks, LABEL());
break;
@@ -7848,11 +7930,14 @@ static SLJIT_INLINE void compile_ref_iterator_backtrackingpath(compiler_common *
{
DEFINE_COMPILER;
pcre_uchar *cc = current->cc;
+BOOL ref = (*cc == OP_REF || *cc == OP_REFI);
pcre_uchar type;
-type = cc[1 + IMM2_SIZE];
+type = cc[ref ? 1 + IMM2_SIZE : 1 + 2 * IMM2_SIZE];
+
if ((type & 0x1) == 0)
{
+ /* Maximize case. */
set_jumps(current->topbacktracks, LABEL());
OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
free_stack(common, 1);
@@ -7863,7 +7948,7 @@ if ((type & 0x1) == 0)
OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(0));
CMPTO(SLJIT_C_NOT_EQUAL, STR_PTR, 0, SLJIT_IMM, 0, CURRENT_AS(iterator_backtrack)->matchingpath);
set_jumps(current->topbacktracks, LABEL());
-free_stack(common, 2);
+free_stack(common, ref ? 2 : 3);
}
static SLJIT_INLINE void compile_recurse_backtrackingpath(compiler_common *common, struct backtrack_common *current)
@@ -8664,6 +8749,8 @@ while (current)
case OP_REF:
case OP_REFI:
+ case OP_DNREF:
+ case OP_DNREFI:
compile_ref_iterator_backtrackingpath(common, current);
break;
@@ -8958,7 +9045,7 @@ else
common->endonly = (re->options & PCRE_DOLLAR_ENDONLY) != 0;
common->ctypes = (sljit_sw)(tables + ctypes_offset);
common->digits[0] = -2;
-common->name_table = (sljit_sw)((pcre_uchar *)re + re->name_table_offset);
+common->name_table = ((pcre_uchar *)re) + re->name_table_offset;
common->name_count = re->name_count;
common->name_entry_size = re->name_entry_size;
common->jscript_compat = (re->options & PCRE_JAVASCRIPT_COMPAT) != 0;
@@ -9696,6 +9783,20 @@ if (extra != NULL &&
}
}
+#if defined COMPILE_PCRE8
+PCRE_EXP_DECL void
+pcre_jit_free_unused_memory(void)
+#elif defined COMPILE_PCRE16
+PCRE_EXP_DECL void
+pcre16_jit_free_unused_memory(void)
+#elif defined COMPILE_PCRE32
+PCRE_EXP_DECL void
+pcre32_jit_free_unused_memory(void)
+#endif
+{
+sljit_free_unused_memory_exec();
+}
+
#else /* SUPPORT_JIT */
/* These are dummy functions to avoid linking errors when JIT support is not
@@ -9747,6 +9848,19 @@ pcre32_assign_jit_stack(pcre32_extra *extra, pcre32_jit_callback callback, void
(void)userdata;
}
+#if defined COMPILE_PCRE8
+PCRE_EXP_DECL void
+pcre_jit_free_unused_memory(void)
+#elif defined COMPILE_PCRE16
+PCRE_EXP_DECL void
+pcre16_jit_free_unused_memory(void)
+#elif defined COMPILE_PCRE32
+PCRE_EXP_DECL void
+pcre32_jit_free_unused_memory(void)
+#endif
+{
+}
+
#endif
/* End of pcre_jit_compile.c */
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