diff options
Diffstat (limited to 'thirdparty/pcre2/src/pcre2_jit_compile.c')
| -rw-r--r-- | thirdparty/pcre2/src/pcre2_jit_compile.c | 2230 |
1 files changed, 1841 insertions, 389 deletions
diff --git a/thirdparty/pcre2/src/pcre2_jit_compile.c b/thirdparty/pcre2/src/pcre2_jit_compile.c index 32e985b793..1f21bfb6ad 100644 --- a/thirdparty/pcre2/src/pcre2_jit_compile.c +++ b/thirdparty/pcre2/src/pcre2_jit_compile.c @@ -477,12 +477,22 @@ typedef struct compiler_common { BOOL alt_circumflex; #ifdef SUPPORT_UNICODE BOOL utf; + BOOL invalid_utf; BOOL use_ucp; + /* Points to saving area for iref. */ + sljit_s32 iref_ptr; jump_list *getucd; + jump_list *getucdtype; #if PCRE2_CODE_UNIT_WIDTH == 8 jump_list *utfreadchar; - jump_list *utfreadchar16; jump_list *utfreadtype8; + jump_list *utfpeakcharback; +#endif +#if PCRE2_CODE_UNIT_WIDTH == 8 || PCRE2_CODE_UNIT_WIDTH == 16 + jump_list *utfreadchar_invalid; + jump_list *utfreadnewline_invalid; + jump_list *utfmoveback_invalid; + jump_list *utfpeakcharback_invalid; #endif #endif /* SUPPORT_UNICODE */ } compiler_common; @@ -616,7 +626,183 @@ the start pointers when the end of the capturing group has not yet reached. */ #define READ_CHAR_MAX 0x7fffffff -#define INVALID_UTF_CHAR 888 +#define INVALID_UTF_CHAR -1 +#define UNASSIGNED_UTF_CHAR 888 + +#if defined SUPPORT_UNICODE +#if PCRE2_CODE_UNIT_WIDTH == 8 + +#define GETCHARINC_INVALID(c, ptr, end, invalid_action) \ + { \ + if (ptr[0] <= 0x7f) \ + c = *ptr++; \ + else if (ptr + 1 < end && ptr[1] >= 0x80 && ptr[1] < 0xc0) \ + { \ + c = ptr[1] - 0x80; \ + \ + if (ptr[0] >= 0xc2 && ptr[0] <= 0xdf) \ + { \ + c |= (ptr[0] - 0xc0) << 6; \ + ptr += 2; \ + } \ + else if (ptr + 2 < end && ptr[2] >= 0x80 && ptr[2] < 0xc0) \ + { \ + c = c << 6 | (ptr[2] - 0x80); \ + \ + if (ptr[0] >= 0xe0 && ptr[0] <= 0xef) \ + { \ + c |= (ptr[0] - 0xe0) << 12; \ + ptr += 3; \ + \ + if (c < 0x800 || (c >= 0xd800 && c < 0xe000)) \ + { \ + invalid_action; \ + } \ + } \ + else if (ptr + 3 < end && ptr[3] >= 0x80 && ptr[3] < 0xc0) \ + { \ + c = c << 6 | (ptr[3] - 0x80); \ + \ + if (ptr[0] >= 0xf0 && ptr[0] <= 0xf4) \ + { \ + c |= (ptr[0] - 0xf0) << 18; \ + ptr += 4; \ + \ + if (c >= 0x110000 || c < 0x10000) \ + { \ + invalid_action; \ + } \ + } \ + else \ + { \ + invalid_action; \ + } \ + } \ + else \ + { \ + invalid_action; \ + } \ + } \ + else \ + { \ + invalid_action; \ + } \ + } \ + else \ + { \ + invalid_action; \ + } \ + } + +#define GETCHARBACK_INVALID(c, ptr, start, invalid_action) \ + { \ + if (ptr[-1] <= 0x7f) \ + c = *ptr--; \ + else if (ptr - 1 > start && ptr[-1] >= 0x80 && ptr[-1] < 0xc0) \ + { \ + c = ptr[-1] - 0x80; \ + \ + if (ptr[-2] >= 0xc2 && ptr[-2] <= 0xdf) \ + { \ + c |= (ptr[-2] - 0xc0) << 6; \ + ptr -= 2; \ + } \ + else if (ptr - 2 > start && ptr[-2] >= 0x80 && ptr[-2] < 0xc0) \ + { \ + c = c << 6 | (ptr[-2] - 0x80); \ + \ + if (ptr[-3] >= 0xe0 && ptr[-3] <= 0xef) \ + { \ + c |= (ptr[-3] - 0xe0) << 12; \ + ptr -= 3; \ + \ + if (c < 0x800 || (c >= 0xd800 && c < 0xe000)) \ + { \ + invalid_action; \ + } \ + } \ + else if (ptr - 3 > start && ptr[-3] >= 0x80 && ptr[-3] < 0xc0) \ + { \ + c = c << 6 | (ptr[-3] - 0x80); \ + \ + if (ptr[-4] >= 0xf0 && ptr[-4] <= 0xf4) \ + { \ + c |= (ptr[-4] - 0xf0) << 18; \ + ptr -= 4; \ + \ + if (c >= 0x110000 || c < 0x10000) \ + { \ + invalid_action; \ + } \ + } \ + else \ + { \ + invalid_action; \ + } \ + } \ + else \ + { \ + invalid_action; \ + } \ + } \ + else \ + { \ + invalid_action; \ + } \ + } \ + else \ + { \ + invalid_action; \ + } \ + } + +#elif PCRE2_CODE_UNIT_WIDTH == 16 + +#define GETCHARINC_INVALID(c, ptr, end, invalid_action) \ + { \ + if (ptr[0] < 0xd800 || ptr[0] >= 0xe000) \ + c = *ptr++; \ + else if (ptr[0] < 0xdc00 && ptr + 1 < end && ptr[1] >= 0xdc00 && ptr[1] < 0xe000) \ + { \ + c = (((ptr[0] - 0xd800) << 10) | (ptr[1] - 0xdc00)) + 0x10000; \ + ptr += 2; \ + } \ + else \ + { \ + invalid_action; \ + } \ + } + +#define GETCHARBACK_INVALID(c, ptr, start, invalid_action) \ + { \ + if (ptr[-1] < 0xd800 || ptr[-1] >= 0xe000) \ + c = *ptr--; \ + else if (ptr[-1] >= 0xdc00 && ptr - 1 > start && ptr[-2] >= 0xd800 && ptr[-2] < 0xdc00) \ + { \ + c = (((ptr[-2] - 0xd800) << 10) | (ptr[-1] - 0xdc00)) + 0x10000; \ + ptr -= 2; \ + } \ + else \ + { \ + invalid_action; \ + } \ + } + + +#elif PCRE2_CODE_UNIT_WIDTH == 32 + +#define GETCHARINC_INVALID(c, ptr, end, invalid_action) \ + { \ + if (ptr[0] < 0x110000) \ + c = *ptr++; \ + else \ + { \ + invalid_action; \ + } \ + } + +#endif /* PCRE2_CODE_UNIT_WIDTH == [8|16|32] */ +#endif /* SUPPORT_UNICODE */ static PCRE2_SPTR bracketend(PCRE2_SPTR cc) { @@ -716,6 +902,7 @@ switch(*cc) case OP_ASSERTBACK: case OP_ASSERTBACK_NOT: case OP_ONCE: + case OP_SCRIPT_RUN: case OP_BRA: case OP_BRAPOS: case OP_CBRA: @@ -869,8 +1056,16 @@ while (cc < ccend) cc += 1; break; - case OP_REF: case OP_REFI: +#ifdef SUPPORT_UNICODE + if (common->iref_ptr == 0) + { + common->iref_ptr = common->ovector_start; + common->ovector_start += 3 * sizeof(sljit_sw); + } +#endif /* SUPPORT_UNICODE */ + /* Fall through. */ + case OP_REF: common->optimized_cbracket[GET2(cc, 1)] = 0; cc += 1 + IMM2_SIZE; break; @@ -1375,6 +1570,7 @@ while (cc < ccend) case OP_ASSERTBACK: case OP_ASSERTBACK_NOT: case OP_ONCE: + case OP_SCRIPT_RUN: case OP_BRAPOS: case OP_SBRA: case OP_SBRAPOS: @@ -1951,6 +2147,7 @@ while (cc < ccend) case OP_ASSERTBACK: case OP_ASSERTBACK_NOT: case OP_ONCE: + case OP_SCRIPT_RUN: case OP_BRAPOS: case OP_SBRA: case OP_SBRAPOS: @@ -2174,14 +2371,14 @@ if (base_reg != TMP2) else { status.saved_tmp_regs[1] = RETURN_ADDR; - if (sljit_get_register_index (RETURN_ADDR) == -1) + if (sljit_get_register_index(RETURN_ADDR) == -1) status.tmp_regs[1] = STR_PTR; else status.tmp_regs[1] = RETURN_ADDR; } status.saved_tmp_regs[2] = TMP3; -if (sljit_get_register_index (TMP3) == -1) +if (sljit_get_register_index(TMP3) == -1) status.tmp_regs[2] = STR_END; else status.tmp_regs[2] = TMP3; @@ -2274,6 +2471,7 @@ while (cc < ccend) case OP_ASSERTBACK: case OP_ASSERTBACK_NOT: case OP_ONCE: + case OP_SCRIPT_RUN: case OP_BRAPOS: case OP_SBRA: case OP_SBRAPOS: @@ -3059,13 +3257,13 @@ return (0 << 8) | bit; #ifdef SUPPORT_UNICODE if (common->utf && c > 65535) { - if (bit >= (1 << 10)) + if (bit >= (1u << 10)) bit >>= 10; else return (bit < 256) ? ((2 << 8) | bit) : ((3 << 8) | (bit >> 8)); } #endif /* SUPPORT_UNICODE */ -return (bit < 256) ? ((0 << 8) | bit) : ((1 << 8) | (bit >> 8)); +return (bit < 256) ? ((0u << 8) | bit) : ((1u << 8) | (bit >> 8)); #endif /* PCRE2_CODE_UNIT_WIDTH == [8|16|32] */ } @@ -3159,95 +3357,152 @@ else JUMPHERE(jump); } -static void peek_char(compiler_common *common, sljit_u32 max) +static void peek_char(compiler_common *common, sljit_u32 max, sljit_s32 dst, sljit_sw dstw, jump_list **backtracks) { /* Reads the character into TMP1, keeps STR_PTR. -Does not check STR_END. TMP2 Destroyed. */ +Does not check STR_END. TMP2, dst, RETURN_ADDR Destroyed. */ DEFINE_COMPILER; #if defined SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH != 32 struct sljit_jump *jump; -#endif +#endif /* SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH != 32 */ SLJIT_UNUSED_ARG(max); +SLJIT_UNUSED_ARG(dst); +SLJIT_UNUSED_ARG(dstw); +SLJIT_UNUSED_ARG(backtracks); -OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), 0); -#if defined SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH == 8 +OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0)); + +#ifdef SUPPORT_UNICODE +#if PCRE2_CODE_UNIT_WIDTH == 8 if (common->utf) { if (max < 128) return; - jump = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0xc0); + jump = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0x80); + OP1(SLJIT_MOV, dst, dstw, STR_PTR, 0); OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); - add_jump(compiler, &common->utfreadchar, JUMP(SLJIT_FAST_CALL)); - OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, TMP2, 0); + add_jump(compiler, common->invalid_utf ? &common->utfreadchar_invalid : &common->utfreadchar, JUMP(SLJIT_FAST_CALL)); + OP1(SLJIT_MOV, STR_PTR, 0, dst, dstw); + if (backtracks && common->invalid_utf) + add_jump(compiler, backtracks, CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, INVALID_UTF_CHAR)); JUMPHERE(jump); } -#endif /* SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH != 32 */ - -#if defined SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH == 16 +#elif PCRE2_CODE_UNIT_WIDTH == 16 if (common->utf) { if (max < 0xd800) return; OP2(SLJIT_SUB, TMP2, 0, TMP1, 0, SLJIT_IMM, 0xd800); - jump = CMP(SLJIT_GREATER, TMP2, 0, SLJIT_IMM, 0xdc00 - 0xd800 - 1); - /* TMP2 contains the high surrogate. */ - OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0)); - OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x40); - OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 10); - OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x3ff); - OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0); - JUMPHERE(jump); - } -#endif -} -#if defined SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH == 8 - -static BOOL is_char7_bitset(const sljit_u8 *bitset, BOOL nclass) -{ -/* Tells whether the character codes below 128 are enough -to determine a match. */ -const sljit_u8 value = nclass ? 0xff : 0; -const sljit_u8 *end = bitset + 32; + if (common->invalid_utf) + { + jump = CMP(SLJIT_GREATER_EQUAL, TMP2, 0, SLJIT_IMM, 0xe000 - 0xd800); + OP1(SLJIT_MOV, dst, dstw, STR_PTR, 0); + OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); + add_jump(compiler, &common->utfreadchar_invalid, JUMP(SLJIT_FAST_CALL)); + OP1(SLJIT_MOV, STR_PTR, 0, dst, dstw); + if (backtracks && common->invalid_utf) + add_jump(compiler, backtracks, CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, INVALID_UTF_CHAR)); + } + else + { + /* TMP2 contains the high surrogate. */ + jump = CMP(SLJIT_GREATER_EQUAL, TMP2, 0, SLJIT_IMM, 0xdc00 - 0xd800); + OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(1)); + OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 10); + OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x10000 - 0xdc00); + OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, TMP2, 0); + } -bitset += 16; -do + JUMPHERE(jump); + } +#elif PCRE2_CODE_UNIT_WIDTH == 32 +if (common->invalid_utf) { - if (*bitset++ != value) - return FALSE; + if (backtracks != NULL) + add_jump(compiler, backtracks, CMP(SLJIT_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, 0x110000)); + else + { + OP2(SLJIT_SUB | SLJIT_SET_GREATER_EQUAL, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x110000); + CMOV(SLJIT_GREATER_EQUAL, TMP1, SLJIT_IMM, INVALID_UTF_CHAR); + } } -while (bitset < end); -return TRUE; +#endif /* PCRE2_CODE_UNIT_WIDTH == [8|16|32] */ +#endif /* SUPPORT_UNICODE */ } -static void read_char7_type(compiler_common *common, BOOL full_read) +static void peek_char_back(compiler_common *common, sljit_u32 max, jump_list **backtracks) { -/* Reads the precise character type of a character into TMP1, if the character -is less than 128. Otherwise it returns with zero. Does not check STR_END. The -full_read argument tells whether characters above max are accepted or not. */ +/* Reads one character back without moving STR_PTR. TMP2 must +contain the start of the subject buffer. Affects TMP1, TMP2, and RETURN_ADDR. */ DEFINE_COMPILER; -struct sljit_jump *jump; -SLJIT_ASSERT(common->utf); +#if defined SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH != 32 +struct sljit_jump *jump; +#endif /* SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH != 32 */ -OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), 0); -OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); +SLJIT_UNUSED_ARG(max); +SLJIT_UNUSED_ARG(backtracks); -OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(TMP2), common->ctypes); +OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-1)); -if (full_read) +#ifdef SUPPORT_UNICODE +#if PCRE2_CODE_UNIT_WIDTH == 8 +if (common->utf) { - jump = CMP(SLJIT_LESS, TMP2, 0, SLJIT_IMM, 0xc0); - OP1(SLJIT_MOV_U8, TMP2, 0, SLJIT_MEM1(TMP2), (sljit_sw)PRIV(utf8_table4) - 0xc0); - OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP2, 0); + if (max < 128) return; + + jump = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0x80); + if (common->invalid_utf) + { + add_jump(compiler, &common->utfpeakcharback_invalid, JUMP(SLJIT_FAST_CALL)); + if (backtracks != NULL) + add_jump(compiler, backtracks, CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, INVALID_UTF_CHAR)); + } + else + add_jump(compiler, &common->utfpeakcharback, JUMP(SLJIT_FAST_CALL)); JUMPHERE(jump); } +#elif PCRE2_CODE_UNIT_WIDTH == 16 +if (common->utf) + { + if (max < 0xd800) return; + + if (common->invalid_utf) + { + jump = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0xd800); + add_jump(compiler, &common->utfpeakcharback_invalid, JUMP(SLJIT_FAST_CALL)); + if (backtracks != NULL) + add_jump(compiler, backtracks, CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, INVALID_UTF_CHAR)); + } + else + { + OP2(SLJIT_SUB, TMP2, 0, TMP1, 0, SLJIT_IMM, 0xdc00); + jump = CMP(SLJIT_GREATER_EQUAL, TMP2, 0, SLJIT_IMM, 0xe000 - 0xdc00); + /* TMP2 contains the low surrogate. */ + OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-2)); + OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x10000); + OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xd800); + OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 10); + OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, TMP2, 0); + } + JUMPHERE(jump); + } +#elif PCRE2_CODE_UNIT_WIDTH == 32 + if (common->invalid_utf) + add_jump(compiler, backtracks, CMP(SLJIT_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, 0x110000)); +#endif /* PCRE2_CODE_UNIT_WIDTH == [8|16|32] */ +#endif /* SUPPORT_UNICODE */ } -#endif /* SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH == 8 */ +#define READ_CHAR_UPDATE_STR_PTR 0x1 +#define READ_CHAR_UTF8_NEWLINE 0x2 +#define READ_CHAR_NEWLINE (READ_CHAR_UPDATE_STR_PTR | READ_CHAR_UTF8_NEWLINE) +#define READ_CHAR_VALID_UTF 0x4 -static void read_char_range(compiler_common *common, sljit_u32 min, sljit_u32 max, BOOL update_str_ptr) +static void read_char(compiler_common *common, sljit_u32 min, sljit_u32 max, + jump_list **backtracks, sljit_u32 options) { /* Reads the precise value of a character into TMP1, if the character is between min and max (c >= min && c <= max). Otherwise it returns with a value @@ -3260,24 +3515,41 @@ struct sljit_jump *jump; struct sljit_jump *jump2; #endif -SLJIT_UNUSED_ARG(update_str_ptr); SLJIT_UNUSED_ARG(min); SLJIT_UNUSED_ARG(max); +SLJIT_UNUSED_ARG(backtracks); +SLJIT_UNUSED_ARG(options); SLJIT_ASSERT(min <= max); OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0)); OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); -#if defined SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH == 8 +#ifdef SUPPORT_UNICODE +#if PCRE2_CODE_UNIT_WIDTH == 8 if (common->utf) { - if (max < 128 && !update_str_ptr) return; + if (max < 128 && !(options & READ_CHAR_UPDATE_STR_PTR)) return; + + if (common->invalid_utf && !(options & READ_CHAR_VALID_UTF)) + { + jump = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0x80); + + if (options & READ_CHAR_UTF8_NEWLINE) + add_jump(compiler, &common->utfreadnewline_invalid, JUMP(SLJIT_FAST_CALL)); + else + add_jump(compiler, &common->utfreadchar_invalid, JUMP(SLJIT_FAST_CALL)); + + if (backtracks != NULL) + add_jump(compiler, backtracks, CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, INVALID_UTF_CHAR)); + JUMPHERE(jump); + return; + } jump = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0xc0); if (min >= 0x10000) { OP2(SLJIT_SUB, TMP2, 0, TMP1, 0, SLJIT_IMM, 0xf0); - if (update_str_ptr) + if (options & READ_CHAR_UPDATE_STR_PTR) OP1(SLJIT_MOV_U8, RETURN_ADDR, 0, SLJIT_MEM1(TMP1), (sljit_sw)PRIV(utf8_table4) - 0xc0); OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0)); jump2 = CMP(SLJIT_GREATER, TMP2, 0, SLJIT_IMM, 0x7); @@ -3289,19 +3561,19 @@ if (common->utf) OP2(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x3f); OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0); OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(2)); - if (!update_str_ptr) + if (!(options & READ_CHAR_UPDATE_STR_PTR)) OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(3)); OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 6); OP2(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x3f); OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0); JUMPHERE(jump2); - if (update_str_ptr) + if (options & READ_CHAR_UPDATE_STR_PTR) OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, RETURN_ADDR, 0); } else if (min >= 0x800 && max <= 0xffff) { OP2(SLJIT_SUB, TMP2, 0, TMP1, 0, SLJIT_IMM, 0xe0); - if (update_str_ptr) + if (options & READ_CHAR_UPDATE_STR_PTR) OP1(SLJIT_MOV_U8, RETURN_ADDR, 0, SLJIT_MEM1(TMP1), (sljit_sw)PRIV(utf8_table4) - 0xc0); OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0)); jump2 = CMP(SLJIT_GREATER, TMP2, 0, SLJIT_IMM, 0xf); @@ -3309,17 +3581,19 @@ if (common->utf) OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x3f); OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0); OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(1)); - if (!update_str_ptr) + if (!(options & READ_CHAR_UPDATE_STR_PTR)) OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(2)); OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 6); OP2(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x3f); OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0); JUMPHERE(jump2); - if (update_str_ptr) + if (options & READ_CHAR_UPDATE_STR_PTR) OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, RETURN_ADDR, 0); } else if (max >= 0x800) - add_jump(compiler, (max < 0x10000) ? &common->utfreadchar16 : &common->utfreadchar, JUMP(SLJIT_FAST_CALL)); + { + add_jump(compiler, &common->utfreadchar, JUMP(SLJIT_FAST_CALL)); + } else if (max < 128) { OP1(SLJIT_MOV_U8, TMP2, 0, SLJIT_MEM1(TMP1), (sljit_sw)PRIV(utf8_table4) - 0xc0); @@ -3328,7 +3602,7 @@ if (common->utf) else { OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0)); - if (!update_str_ptr) + if (!(options & READ_CHAR_UPDATE_STR_PTR)) OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); else OP1(SLJIT_MOV_U8, RETURN_ADDR, 0, SLJIT_MEM1(TMP1), (sljit_sw)PRIV(utf8_table4) - 0xc0); @@ -3336,51 +3610,141 @@ if (common->utf) OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 6); OP2(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x3f); OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0); - if (update_str_ptr) + if (options & READ_CHAR_UPDATE_STR_PTR) OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, RETURN_ADDR, 0); } JUMPHERE(jump); } -#endif - -#if defined SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH == 16 +#elif PCRE2_CODE_UNIT_WIDTH == 16 if (common->utf) { + if (max < 0xd800 && !(options & READ_CHAR_UPDATE_STR_PTR)) return; + + if (common->invalid_utf && !(options & READ_CHAR_VALID_UTF)) + { + OP2(SLJIT_SUB, TMP2, 0, TMP1, 0, SLJIT_IMM, 0xd800); + jump = CMP(SLJIT_GREATER_EQUAL, TMP2, 0, SLJIT_IMM, 0xe000 - 0xd800); + + if (options & READ_CHAR_UTF8_NEWLINE) + add_jump(compiler, &common->utfreadnewline_invalid, JUMP(SLJIT_FAST_CALL)); + else + add_jump(compiler, &common->utfreadchar_invalid, JUMP(SLJIT_FAST_CALL)); + + if (backtracks != NULL) + add_jump(compiler, backtracks, CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, INVALID_UTF_CHAR)); + JUMPHERE(jump); + return; + } + if (max >= 0x10000) { OP2(SLJIT_SUB, TMP2, 0, TMP1, 0, SLJIT_IMM, 0xd800); - jump = CMP(SLJIT_GREATER, TMP2, 0, SLJIT_IMM, 0xdc00 - 0xd800 - 1); + jump = CMP(SLJIT_GREATER_EQUAL, TMP2, 0, SLJIT_IMM, 0xdc00 - 0xd800); /* TMP2 contains the high surrogate. */ OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0)); - OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x40); OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 10); OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); - OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x3ff); - OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0); + OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x10000 - 0xdc00); + OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, TMP2, 0); JUMPHERE(jump); return; } - if (max < 0xd800 && !update_str_ptr) return; - /* Skip low surrogate if necessary. */ OP2(SLJIT_SUB, TMP2, 0, TMP1, 0, SLJIT_IMM, 0xd800); - jump = CMP(SLJIT_GREATER, TMP2, 0, SLJIT_IMM, 0xdc00 - 0xd800 - 1); - if (update_str_ptr) - OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); - if (max >= 0xd800) - OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 0x10000); - JUMPHERE(jump); + + if (sljit_has_cpu_feature(SLJIT_HAS_CMOV) && sljit_get_register_index(RETURN_ADDR) >= 0) + { + if (options & READ_CHAR_UPDATE_STR_PTR) + OP2(SLJIT_ADD, RETURN_ADDR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); + OP2(SLJIT_SUB | SLJIT_SET_LESS, SLJIT_UNUSED, 0, TMP2, 0, SLJIT_IMM, 0x400); + if (options & READ_CHAR_UPDATE_STR_PTR) + CMOV(SLJIT_LESS, STR_PTR, RETURN_ADDR, 0); + if (max >= 0xd800) + CMOV(SLJIT_LESS, TMP1, SLJIT_IMM, 0x10000); + } + else + { + jump = CMP(SLJIT_GREATER_EQUAL, TMP2, 0, SLJIT_IMM, 0x400); + if (options & READ_CHAR_UPDATE_STR_PTR) + OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); + if (max >= 0xd800) + OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 0x10000); + JUMPHERE(jump); + } } -#endif +#elif PCRE2_CODE_UNIT_WIDTH == 32 +if (common->invalid_utf) + { + if (backtracks != NULL) + add_jump(compiler, backtracks, CMP(SLJIT_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, 0x110000)); + else + { + OP2(SLJIT_SUB | SLJIT_SET_GREATER_EQUAL, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x110000); + CMOV(SLJIT_GREATER_EQUAL, TMP1, SLJIT_IMM, INVALID_UTF_CHAR); + } + } +#endif /* PCRE2_CODE_UNIT_WIDTH == [8|16|32] */ +#endif /* SUPPORT_UNICODE */ +} + +#if defined SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH == 8 + +static BOOL is_char7_bitset(const sljit_u8 *bitset, BOOL nclass) +{ +/* Tells whether the character codes below 128 are enough +to determine a match. */ +const sljit_u8 value = nclass ? 0xff : 0; +const sljit_u8 *end = bitset + 32; + +bitset += 16; +do + { + if (*bitset++ != value) + return FALSE; + } +while (bitset < end); +return TRUE; } -static SLJIT_INLINE void read_char(compiler_common *common) +static void read_char7_type(compiler_common *common, jump_list **backtracks, BOOL negated) { -read_char_range(common, 0, READ_CHAR_MAX, TRUE); +/* Reads the precise character type of a character into TMP1, if the character +is less than 128. Otherwise it returns with zero. Does not check STR_END. The +full_read argument tells whether characters above max are accepted or not. */ +DEFINE_COMPILER; +struct sljit_jump *jump; + +SLJIT_ASSERT(common->utf); + +OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), 0); +OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); + +/* All values > 127 are zero in ctypes. */ +OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(TMP2), common->ctypes); + +if (negated) + { + jump = CMP(SLJIT_LESS, TMP2, 0, SLJIT_IMM, 0x80); + + if (common->invalid_utf) + { + add_jump(compiler, &common->utfreadchar_invalid, JUMP(SLJIT_FAST_CALL)); + add_jump(compiler, backtracks, CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, INVALID_UTF_CHAR)); + OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 0); + } + else + { + OP1(SLJIT_MOV_U8, TMP2, 0, SLJIT_MEM1(TMP2), (sljit_sw)PRIV(utf8_table4) - 0xc0); + OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP2, 0); + } + JUMPHERE(jump); + } } -static void read_char8_type(compiler_common *common, BOOL update_str_ptr) +#endif /* SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH == 8 */ + +static void read_char8_type(compiler_common *common, jump_list **backtracks, BOOL negated) { /* Reads the character type into TMP1, updates STR_PTR. Does not check STR_END. */ DEFINE_COMPILER; @@ -3391,7 +3755,8 @@ struct sljit_jump *jump; struct sljit_jump *jump2; #endif -SLJIT_UNUSED_ARG(update_str_ptr); +SLJIT_UNUSED_ARG(backtracks); +SLJIT_UNUSED_ARG(negated); OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), 0); OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); @@ -3399,18 +3764,38 @@ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); #if defined SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH == 8 if (common->utf) { - /* This can be an extra read in some situations, but hopefully - it is needed in most cases. */ + /* The result of this read may be unused, but saves an "else" part. */ OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(TMP2), common->ctypes); - jump = CMP(SLJIT_LESS, TMP2, 0, SLJIT_IMM, 0xc0); - if (!update_str_ptr) + jump = CMP(SLJIT_LESS, TMP2, 0, SLJIT_IMM, 0x80); + + if (!negated) { + if (common->invalid_utf) + add_jump(compiler, backtracks, CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0)); + OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0)); OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); - OP2(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x3f); + OP2(SLJIT_SUB, TMP2, 0, TMP2, 0, SLJIT_IMM, 0xc2); + if (common->invalid_utf) + add_jump(compiler, backtracks, CMP(SLJIT_GREATER_EQUAL, TMP2, 0, SLJIT_IMM, 0xe0 - 0xc2)); + OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 6); - OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x3f); - OP2(SLJIT_OR, TMP2, 0, TMP2, 0, TMP1, 0); + OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, TMP1, 0); + OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x80); + if (common->invalid_utf) + add_jump(compiler, backtracks, CMP(SLJIT_GREATER_EQUAL, TMP2, 0, SLJIT_IMM, 0x40)); + + OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 0); + jump2 = CMP(SLJIT_GREATER, TMP2, 0, SLJIT_IMM, 255); + OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(TMP2), common->ctypes); + JUMPHERE(jump2); + } + else if (common->invalid_utf) + { + add_jump(compiler, &common->utfreadchar_invalid, JUMP(SLJIT_FAST_CALL)); + OP1(SLJIT_MOV, TMP2, 0, TMP1, 0); + add_jump(compiler, backtracks, CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, INVALID_UTF_CHAR)); + OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 0); jump2 = CMP(SLJIT_GREATER, TMP2, 0, SLJIT_IMM, 255); OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(TMP2), common->ctypes); @@ -3418,43 +3803,98 @@ if (common->utf) } else add_jump(compiler, &common->utfreadtype8, JUMP(SLJIT_FAST_CALL)); + JUMPHERE(jump); return; } #endif /* SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH == 8 */ +#if defined SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH == 32 +if (common->invalid_utf && negated) + add_jump(compiler, backtracks, CMP(SLJIT_GREATER_EQUAL, TMP2, 0, SLJIT_IMM, 0x110000)); +#endif /* SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH == 32 */ + #if PCRE2_CODE_UNIT_WIDTH != 8 /* The ctypes array contains only 256 values. */ OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 0); jump = CMP(SLJIT_GREATER, TMP2, 0, SLJIT_IMM, 255); -#endif +#endif /* PCRE2_CODE_UNIT_WIDTH != 8 */ OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(TMP2), common->ctypes); #if PCRE2_CODE_UNIT_WIDTH != 8 JUMPHERE(jump); -#endif +#endif /* PCRE2_CODE_UNIT_WIDTH != 8 */ #if defined SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH == 16 -if (common->utf && update_str_ptr) +if (common->utf && negated) { /* Skip low surrogate if necessary. */ + if (!common->invalid_utf) + { + OP2(SLJIT_SUB, TMP2, 0, TMP2, 0, SLJIT_IMM, 0xd800); + + if (sljit_has_cpu_feature(SLJIT_HAS_CMOV) && sljit_get_register_index(RETURN_ADDR) >= 0) + { + OP2(SLJIT_ADD, RETURN_ADDR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); + OP2(SLJIT_SUB | SLJIT_SET_LESS, SLJIT_UNUSED, 0, TMP2, 0, SLJIT_IMM, 0x400); + CMOV(SLJIT_LESS, STR_PTR, RETURN_ADDR, 0); + } + else + { + jump = CMP(SLJIT_GREATER_EQUAL, TMP2, 0, SLJIT_IMM, 0x400); + OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); + JUMPHERE(jump); + } + return; + } + OP2(SLJIT_SUB, TMP2, 0, TMP2, 0, SLJIT_IMM, 0xd800); - jump = CMP(SLJIT_GREATER, TMP2, 0, SLJIT_IMM, 0xdc00 - 0xd800 - 1); + jump = CMP(SLJIT_GREATER_EQUAL, TMP2, 0, SLJIT_IMM, 0xe000 - 0xd800); + add_jump(compiler, backtracks, CMP(SLJIT_GREATER_EQUAL, TMP2, 0, SLJIT_IMM, 0x400)); + add_jump(compiler, backtracks, CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0)); + + OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0)); OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); + OP2(SLJIT_SUB, TMP2, 0, TMP2, 0, SLJIT_IMM, 0xdc00); + add_jump(compiler, backtracks, CMP(SLJIT_GREATER_EQUAL, TMP2, 0, SLJIT_IMM, 0x400)); + JUMPHERE(jump); + return; } #endif /* SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH == 16 */ } -static void skip_char_back(compiler_common *common) +static void move_back(compiler_common *common, jump_list **backtracks, BOOL must_be_valid) { -/* Goes one character back. Affects STR_PTR and TMP1. Does not check begin. */ +/* Goes one character back. TMP2 must contain the start of +the subject buffer. Affects STR_PTR and TMP1. Does not modify +STR_PTR for invalid character sequences. */ DEFINE_COMPILER; + +SLJIT_UNUSED_ARG(backtracks); +SLJIT_UNUSED_ARG(must_be_valid); + #if defined SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH != 32 +struct sljit_jump *jump; +#endif + +#ifdef SUPPORT_UNICODE #if PCRE2_CODE_UNIT_WIDTH == 8 struct sljit_label *label; if (common->utf) { + if (!must_be_valid && common->invalid_utf) + { + OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), -IN_UCHARS(1)); + OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); + jump = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0x80); + add_jump(compiler, &common->utfmoveback_invalid, JUMP(SLJIT_FAST_CALL)); + if (backtracks != NULL) + add_jump(compiler, backtracks, CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, 0)); + JUMPHERE(jump); + return; + } + label = LABEL(); OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), -IN_UCHARS(1)); OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); @@ -3467,16 +3907,45 @@ if (common->utf) { OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), -IN_UCHARS(1)); OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); + + if (!must_be_valid && common->invalid_utf) + { + OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xd800); + jump = CMP(SLJIT_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, 0xe000 - 0xd800); + add_jump(compiler, &common->utfmoveback_invalid, JUMP(SLJIT_FAST_CALL)); + if (backtracks != NULL) + add_jump(compiler, backtracks, CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, 0)); + JUMPHERE(jump); + return; + } + /* Skip low surrogate if necessary. */ OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xfc00); OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0xdc00); OP_FLAGS(SLJIT_MOV, TMP1, 0, SLJIT_EQUAL); - OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 1); + OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, UCHAR_SHIFT); OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, TMP1, 0); return; } -#endif /* PCRE2_CODE_UNIT_WIDTH == [8|16] */ -#endif /* SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH != 32 */ +#elif PCRE2_CODE_UNIT_WIDTH == 32 +if (common->invalid_utf && !must_be_valid) + { + OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), -IN_UCHARS(1)); + if (backtracks != NULL) + { + add_jump(compiler, backtracks, CMP(SLJIT_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, 0x110000)); + OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); + return; + } + + OP2(SLJIT_SUB | SLJIT_SET_LESS, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x110000); + OP_FLAGS(SLJIT_MOV, TMP1, 0, SLJIT_LESS); + OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, UCHAR_SHIFT); + OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, TMP1, 0); + return; + } +#endif /* PCRE2_CODE_UNIT_WIDTH == [8|16|32] */ +#endif /* SUPPORT_UNICODE */ OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); } @@ -3519,13 +3988,12 @@ else static void do_utfreadchar(compiler_common *common) { /* Fast decoding a UTF-8 character. TMP1 contains the first byte -of the character (>= 0xc0). Return char value in TMP1, length in TMP2. */ +of the character (>= 0xc0). Return char value in TMP1. */ DEFINE_COMPILER; struct sljit_jump *jump; sljit_emit_fast_enter(compiler, RETURN_ADDR, 0); OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0)); -OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x3f); OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 6); OP2(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x3f); OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0); @@ -3534,13 +4002,12 @@ OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0); OP2(SLJIT_AND | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x800); jump = JUMP(SLJIT_NOT_ZERO); /* Two byte sequence. */ +OP2(SLJIT_XOR, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x3000); OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); -OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, IN_UCHARS(2)); sljit_emit_fast_return(compiler, RETURN_ADDR, 0); JUMPHERE(jump); OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(1)); -OP2(SLJIT_XOR, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x800); OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 6); OP2(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x3f); OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0); @@ -3548,55 +4015,18 @@ OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0); OP2(SLJIT_AND | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x10000); jump = JUMP(SLJIT_NOT_ZERO); /* Three byte sequence. */ +OP2(SLJIT_XOR, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xe0000); OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(2)); -OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, IN_UCHARS(3)); sljit_emit_fast_return(compiler, RETURN_ADDR, 0); /* Four byte sequence. */ JUMPHERE(jump); OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(2)); -OP2(SLJIT_XOR, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x10000); -OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 6); +OP2(SLJIT_XOR, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xf0000); OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(3)); -OP2(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x3f); -OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0); -OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, IN_UCHARS(4)); -sljit_emit_fast_return(compiler, RETURN_ADDR, 0); -} - -static void do_utfreadchar16(compiler_common *common) -{ -/* Fast decoding a UTF-8 character. TMP1 contains the first byte -of the character (>= 0xc0). Return value in TMP1. */ -DEFINE_COMPILER; -struct sljit_jump *jump; - -sljit_emit_fast_enter(compiler, RETURN_ADDR, 0); -OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0)); -OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x3f); OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 6); OP2(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x3f); OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0); - -/* Searching for the first zero. */ -OP2(SLJIT_AND | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x800); -jump = JUMP(SLJIT_NOT_ZERO); -/* Two byte sequence. */ -OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); -sljit_emit_fast_return(compiler, RETURN_ADDR, 0); - -JUMPHERE(jump); -OP2(SLJIT_AND | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x400); -OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_NOT_ZERO); -/* This code runs only in 8 bit mode. No need to shift the value. */ -OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP2, 0); -OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(1)); -OP2(SLJIT_XOR, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x800); -OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 6); -OP2(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x3f); -OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0); -/* Three byte sequence. */ -OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(2)); sljit_emit_fast_return(compiler, RETURN_ADDR, 0); } @@ -3636,8 +4066,644 @@ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP2, 0); sljit_emit_fast_return(compiler, RETURN_ADDR, 0); } +static void do_utfreadchar_invalid(compiler_common *common) +{ +/* Slow decoding a UTF-8 character. TMP1 contains the first byte +of the character (>= 0xc0). Return char value in TMP1. STR_PTR is +undefined for invalid characters. */ +DEFINE_COMPILER; +sljit_s32 i; +sljit_s32 has_cmov = sljit_has_cpu_feature(SLJIT_HAS_CMOV); +struct sljit_jump *jump; +struct sljit_jump *buffer_end_close; +struct sljit_label *three_byte_entry; +struct sljit_label *exit_invalid_label; +struct sljit_jump *exit_invalid[11]; + +sljit_emit_fast_enter(compiler, RETURN_ADDR, 0); + +OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xc2); + +/* Usually more than 3 characters remained in the subject buffer. */ +OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(3)); + +/* Not a valid start of a multi-byte sequence, no more bytes read. */ +exit_invalid[0] = CMP(SLJIT_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, 0xf5 - 0xc2); + +buffer_end_close = CMP(SLJIT_GREATER, STR_PTR, 0, STR_END, 0); + +OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-3)); +OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 6); +/* If TMP2 is in 0x80-0xbf range, TMP1 is also increased by (0x2 << 6). */ +OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, TMP2, 0); +OP2(SLJIT_SUB, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x80); +exit_invalid[1] = CMP(SLJIT_GREATER_EQUAL, TMP2, 0, SLJIT_IMM, 0x40); + +OP2(SLJIT_AND | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x800); +jump = JUMP(SLJIT_NOT_ZERO); + +OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(2)); +sljit_emit_fast_return(compiler, RETURN_ADDR, 0); + +JUMPHERE(jump); + +/* Three-byte sequence. */ +OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-2)); +OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 6); +OP2(SLJIT_SUB, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x80); +OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0); +if (has_cmov) + { + OP2(SLJIT_SUB | SLJIT_SET_GREATER_EQUAL, SLJIT_UNUSED, 0, TMP2, 0, SLJIT_IMM, 0x40); + CMOV(SLJIT_GREATER_EQUAL, TMP1, SLJIT_IMM, 0x20000); + exit_invalid[2] = NULL; + } +else + exit_invalid[2] = CMP(SLJIT_GREATER_EQUAL, TMP2, 0, SLJIT_IMM, 0x40); + +OP2(SLJIT_AND | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x10000); +jump = JUMP(SLJIT_NOT_ZERO); + +three_byte_entry = LABEL(); + +OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x2d800); +if (has_cmov) + { + OP2(SLJIT_SUB | SLJIT_SET_LESS, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x800); + CMOV(SLJIT_LESS, TMP1, SLJIT_IMM, INVALID_UTF_CHAR - 0xd800); + exit_invalid[3] = NULL; + } +else + exit_invalid[3] = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0x800); +OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xd800); +OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); + +if (has_cmov) + { + OP2(SLJIT_SUB | SLJIT_SET_LESS, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x800); + CMOV(SLJIT_LESS, TMP1, SLJIT_IMM, INVALID_UTF_CHAR); + exit_invalid[4] = NULL; + } +else + exit_invalid[4] = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0x800); +sljit_emit_fast_return(compiler, RETURN_ADDR, 0); + +JUMPHERE(jump); + +/* Four-byte sequence. */ +OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-1)); +OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 6); +OP2(SLJIT_SUB, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x80); +OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0); +if (has_cmov) + { + OP2(SLJIT_SUB | SLJIT_SET_GREATER_EQUAL, SLJIT_UNUSED, 0, TMP2, 0, SLJIT_IMM, 0x40); + CMOV(SLJIT_GREATER_EQUAL, TMP1, SLJIT_IMM, 0); + exit_invalid[5] = NULL; + } +else + exit_invalid[5] = CMP(SLJIT_GREATER_EQUAL, TMP2, 0, SLJIT_IMM, 0x40); + +OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xc10000); +if (has_cmov) + { + OP2(SLJIT_SUB | SLJIT_SET_GREATER_EQUAL, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x100000); + CMOV(SLJIT_GREATER_EQUAL, TMP1, SLJIT_IMM, INVALID_UTF_CHAR - 0x10000); + exit_invalid[6] = NULL; + } +else + exit_invalid[6] = CMP(SLJIT_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, 0x100000); + +OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x10000); +sljit_emit_fast_return(compiler, RETURN_ADDR, 0); + +JUMPHERE(buffer_end_close); +OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(2)); +exit_invalid[7] = CMP(SLJIT_GREATER, STR_PTR, 0, STR_END, 0); + +/* Two-byte sequence. */ +OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-1)); +OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 6); +/* If TMP2 is in 0x80-0xbf range, TMP1 is also increased by (0x2 << 6). */ +OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, TMP2, 0); +OP2(SLJIT_SUB, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x80); +exit_invalid[8] = CMP(SLJIT_GREATER_EQUAL, TMP2, 0, SLJIT_IMM, 0x40); + +OP2(SLJIT_AND | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x800); +jump = JUMP(SLJIT_NOT_ZERO); + +sljit_emit_fast_return(compiler, RETURN_ADDR, 0); + +/* Three-byte sequence. */ +JUMPHERE(jump); +exit_invalid[9] = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0); + +OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0)); +OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 6); +OP2(SLJIT_SUB, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x80); +OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0); +if (has_cmov) + { + OP2(SLJIT_SUB | SLJIT_SET_GREATER_EQUAL, SLJIT_UNUSED, 0, TMP2, 0, SLJIT_IMM, 0x40); + CMOV(SLJIT_GREATER_EQUAL, TMP1, SLJIT_IMM, INVALID_UTF_CHAR); + exit_invalid[10] = NULL; + } +else + exit_invalid[10] = CMP(SLJIT_GREATER_EQUAL, TMP2, 0, SLJIT_IMM, 0x40); + +/* One will be substracted from STR_PTR later. */ +OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(2)); + +/* Four byte sequences are not possible. */ +CMPTO(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0x30000, three_byte_entry); + +exit_invalid_label = LABEL(); +for (i = 0; i < 11; i++) + sljit_set_label(exit_invalid[i], exit_invalid_label); + +OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, INVALID_UTF_CHAR); +sljit_emit_fast_return(compiler, RETURN_ADDR, 0); +} + +static void do_utfreadnewline_invalid(compiler_common *common) +{ +/* Slow decoding a UTF-8 character, specialized for newlines. +TMP1 contains the first byte of the character (>= 0xc0). Return +char value in TMP1. */ +DEFINE_COMPILER; +struct sljit_label *loop; +struct sljit_label *skip_start; +struct sljit_label *three_byte_exit; +struct sljit_jump *jump[5]; + +sljit_emit_fast_enter(compiler, RETURN_ADDR, 0); + +if (common->nltype != NLTYPE_ANY) + { + SLJIT_ASSERT(common->nltype != NLTYPE_FIXED || common->newline < 128); + + /* All newlines are ascii, just skip intermediate octets. */ + jump[0] = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0); + loop = LABEL(); + OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0)); + OP2(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_IMM, 0xc0); + CMPTO(SLJIT_EQUAL, TMP2, 0, SLJIT_IMM, 0x80, loop); + OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); + + JUMPHERE(jump[0]); + + OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, INVALID_UTF_CHAR); + sljit_emit_fast_return(compiler, RETURN_ADDR, 0); + return; + } + +jump[0] = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0); +OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0)); +OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); + +jump[1] = CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, 0xc2); +jump[2] = CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, 0xe2); + +skip_start = LABEL(); +OP2(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_IMM, 0xc0); +jump[3] = CMP(SLJIT_NOT_EQUAL, TMP2, 0, SLJIT_IMM, 0x80); + +/* Skip intermediate octets. */ +loop = LABEL(); +jump[4] = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0); +OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0)); +OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); +OP2(SLJIT_AND, TMP2, 0, TMP2, 0, SLJIT_IMM, 0xc0); +CMPTO(SLJIT_EQUAL, TMP2, 0, SLJIT_IMM, 0x80, loop); + +JUMPHERE(jump[3]); +OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); + +three_byte_exit = LABEL(); +JUMPHERE(jump[0]); +JUMPHERE(jump[4]); + +OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, INVALID_UTF_CHAR); +sljit_emit_fast_return(compiler, RETURN_ADDR, 0); + +/* Two byte long newline: 0x85. */ +JUMPHERE(jump[1]); +CMPTO(SLJIT_NOT_EQUAL, TMP2, 0, SLJIT_IMM, 0x85, skip_start); + +OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 0x85); +sljit_emit_fast_return(compiler, RETURN_ADDR, 0); + +/* Three byte long newlines: 0x2028 and 0x2029. */ +JUMPHERE(jump[2]); +CMPTO(SLJIT_NOT_EQUAL, TMP2, 0, SLJIT_IMM, 0x80, skip_start); +CMPTO(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0, three_byte_exit); + +OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0)); +OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); + +OP2(SLJIT_SUB, TMP1, 0, TMP2, 0, SLJIT_IMM, 0x80); +CMPTO(SLJIT_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, 0x40, skip_start); + +OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, 0x2000); +OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0); +sljit_emit_fast_return(compiler, RETURN_ADDR, 0); +} + +static void do_utfmoveback_invalid(compiler_common *common) +{ +/* Goes one character back. */ +DEFINE_COMPILER; +sljit_s32 i; +struct sljit_jump *jump; +struct sljit_jump *buffer_start_close; +struct sljit_label *exit_ok_label; +struct sljit_label *exit_invalid_label; +struct sljit_jump *exit_invalid[7]; + +sljit_emit_fast_enter(compiler, RETURN_ADDR, 0); + +OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(3)); +exit_invalid[0] = CMP(SLJIT_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, 0xc0); + +/* Two-byte sequence. */ +buffer_start_close = CMP(SLJIT_LESS, STR_PTR, 0, TMP2, 0); + +OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(2)); + +OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xc0); +jump = CMP(SLJIT_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, 0x20); + +OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 1); +OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(2)); +sljit_emit_fast_return(compiler, RETURN_ADDR, 0); + +/* Three-byte sequence. */ +JUMPHERE(jump); +exit_invalid[1] = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, -0x40); + +OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(1)); + +OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xe0); +jump = CMP(SLJIT_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, 0x10); + +OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 1); +OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); +sljit_emit_fast_return(compiler, RETURN_ADDR, 0); + +/* Four-byte sequence. */ +JUMPHERE(jump); +OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xe0 - 0x80); +exit_invalid[2] = CMP(SLJIT_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, 0x40); + +OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0)); +OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xf0); +exit_invalid[3] = CMP(SLJIT_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, 0x05); + +exit_ok_label = LABEL(); +OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 1); +sljit_emit_fast_return(compiler, RETURN_ADDR, 0); + +/* Two-byte sequence. */ +JUMPHERE(buffer_start_close); +OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(2)); + +exit_invalid[4] = CMP(SLJIT_LESS, STR_PTR, 0, TMP2, 0); + +OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0)); + +OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xc0); +CMPTO(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0x20, exit_ok_label); + +/* Three-byte sequence. */ +OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); +exit_invalid[5] = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, -0x40); +exit_invalid[6] = CMP(SLJIT_LESS, STR_PTR, 0, TMP2, 0); + +OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0)); + +OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xe0); +CMPTO(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0x10, exit_ok_label); + +/* Four-byte sequences are not possible. */ + +exit_invalid_label = LABEL(); +sljit_set_label(exit_invalid[5], exit_invalid_label); +sljit_set_label(exit_invalid[6], exit_invalid_label); +OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 0); +OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(3)); +sljit_emit_fast_return(compiler, RETURN_ADDR, 0); + +JUMPHERE(exit_invalid[4]); +/* -2 + 4 = 2 */ +OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(2)); + +exit_invalid_label = LABEL(); +for (i = 0; i < 4; i++) + sljit_set_label(exit_invalid[i], exit_invalid_label); +OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 0); +OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(4)); +sljit_emit_fast_return(compiler, RETURN_ADDR, 0); +} + +static void do_utfpeakcharback(compiler_common *common) +{ +/* Peak a character back. */ +DEFINE_COMPILER; +struct sljit_jump *jump[2]; + +sljit_emit_fast_enter(compiler, RETURN_ADDR, 0); + +OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-2)); +OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xc0); +jump[0] = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0x20); + +OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-3)); +OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xe0); +jump[1] = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0x10); + +OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-4)); +OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xe0 - 0x80); +OP2(SLJIT_SUB, TMP2, 0, TMP2, 0, SLJIT_IMM, 0xf0); +OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 6); +OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0); + +JUMPHERE(jump[1]); +OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-2)); +OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 6); +OP2(SLJIT_SUB, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x80); +OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0); + +JUMPHERE(jump[0]); +OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-1)); +OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 6); +OP2(SLJIT_SUB, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x80); +OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0); + +sljit_emit_fast_return(compiler, RETURN_ADDR, 0); +} + +static void do_utfpeakcharback_invalid(compiler_common *common) +{ +/* Peak a character back. */ +DEFINE_COMPILER; +sljit_s32 i; +sljit_s32 has_cmov = sljit_has_cpu_feature(SLJIT_HAS_CMOV); +struct sljit_jump *jump[2]; +struct sljit_label *two_byte_entry; +struct sljit_label *three_byte_entry; +struct sljit_label *exit_invalid_label; +struct sljit_jump *exit_invalid[8]; + +sljit_emit_fast_enter(compiler, RETURN_ADDR, 0); + +OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, SLJIT_IMM, IN_UCHARS(3)); +exit_invalid[0] = CMP(SLJIT_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, 0xc0); +jump[0] = CMP(SLJIT_GREATER_EQUAL, TMP2, 0, STR_PTR, 0); + +/* Two-byte sequence. */ +OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-2)); +OP2(SLJIT_SUB, TMP2, 0, TMP2, 0, SLJIT_IMM, 0xc2); +jump[1] = CMP(SLJIT_GREATER_EQUAL, TMP2, 0, SLJIT_IMM, 0x1e); + +two_byte_entry = LABEL(); +OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 6); +/* If TMP1 is in 0x80-0xbf range, TMP1 is also increased by (0x2 << 6). */ +OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, TMP2, 0); +sljit_emit_fast_return(compiler, RETURN_ADDR, 0); + +JUMPHERE(jump[1]); +OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, SLJIT_IMM, 0xc2 - 0x80); +OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x80); +exit_invalid[1] = CMP(SLJIT_GREATER_EQUAL, TMP2, 0, SLJIT_IMM, 0x40); +OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 6); +OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0); + +/* Three-byte sequence. */ +OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-3)); +OP2(SLJIT_SUB, TMP2, 0, TMP2, 0, SLJIT_IMM, 0xe0); +jump[1] = CMP(SLJIT_GREATER_EQUAL, TMP2, 0, SLJIT_IMM, 0x10); + +three_byte_entry = LABEL(); +OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 12); +OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0); + +OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xd800); +if (has_cmov) + { + OP2(SLJIT_SUB | SLJIT_SET_LESS, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x800); + CMOV(SLJIT_LESS, TMP1, SLJIT_IMM, -0xd800); + exit_invalid[2] = NULL; + } +else + exit_invalid[2] = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0x800); + +OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xd800); +if (has_cmov) + { + OP2(SLJIT_SUB | SLJIT_SET_LESS, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x800); + CMOV(SLJIT_LESS, TMP1, SLJIT_IMM, INVALID_UTF_CHAR); + exit_invalid[3] = NULL; + } +else + exit_invalid[3] = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0x800); + +sljit_emit_fast_return(compiler, RETURN_ADDR, 0); + +JUMPHERE(jump[1]); +OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, SLJIT_IMM, 0xe0 - 0x80); +exit_invalid[4] = CMP(SLJIT_GREATER_EQUAL, TMP2, 0, SLJIT_IMM, 0x40); +OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 12); +OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0); + +/* Four-byte sequence. */ +OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-4)); +OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x10000); +OP2(SLJIT_SUB, TMP2, 0, TMP2, 0, SLJIT_IMM, 0xf0); +OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 18); +/* ADD is used instead of OR because of the SUB 0x10000 above. */ +OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, TMP2, 0); + +if (has_cmov) + { + OP2(SLJIT_SUB | SLJIT_SET_GREATER_EQUAL, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x100000); + CMOV(SLJIT_GREATER_EQUAL, TMP1, SLJIT_IMM, INVALID_UTF_CHAR - 0x10000); + exit_invalid[5] = NULL; + } +else + exit_invalid[5] = CMP(SLJIT_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, 0x100000); + +OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x10000); +sljit_emit_fast_return(compiler, RETURN_ADDR, 0); + +JUMPHERE(jump[0]); +OP2(SLJIT_SUB, TMP2, 0, TMP2, 0, SLJIT_IMM, IN_UCHARS(1)); +jump[0] = CMP(SLJIT_GREATER_EQUAL, TMP2, 0, STR_PTR, 0); + +/* Two-byte sequence. */ +OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-2)); +OP2(SLJIT_SUB, TMP2, 0, TMP2, 0, SLJIT_IMM, 0xc2); +CMPTO(SLJIT_LESS, TMP2, 0, SLJIT_IMM, 0x1e, two_byte_entry); + +OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, SLJIT_IMM, 0xc2 - 0x80); +OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x80); +exit_invalid[6] = CMP(SLJIT_GREATER_EQUAL, TMP2, 0, SLJIT_IMM, 0x40); +OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 6); +OP2(SLJIT_OR, TMP1, 0, TMP1, 0, TMP2, 0); + +/* Three-byte sequence. */ +OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-3)); +OP2(SLJIT_SUB, TMP2, 0, TMP2, 0, SLJIT_IMM, 0xe0); +CMPTO(SLJIT_LESS, TMP2, 0, SLJIT_IMM, 0x10, three_byte_entry); + +OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, INVALID_UTF_CHAR); +sljit_emit_fast_return(compiler, RETURN_ADDR, 0); + +JUMPHERE(jump[0]); +exit_invalid[7] = CMP(SLJIT_GREATER, TMP2, 0, STR_PTR, 0); + +/* Two-byte sequence. */ +OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-2)); +OP2(SLJIT_SUB, TMP2, 0, TMP2, 0, SLJIT_IMM, 0xc2); +CMPTO(SLJIT_LESS, TMP2, 0, SLJIT_IMM, 0x1e, two_byte_entry); + +exit_invalid_label = LABEL(); +for (i = 0; i < 8; i++) + sljit_set_label(exit_invalid[i], exit_invalid_label); + +OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, INVALID_UTF_CHAR); +sljit_emit_fast_return(compiler, RETURN_ADDR, 0); +} + #endif /* PCRE2_CODE_UNIT_WIDTH == 8 */ +#if PCRE2_CODE_UNIT_WIDTH == 16 + +static void do_utfreadchar_invalid(compiler_common *common) +{ +/* Slow decoding a UTF-16 character. TMP1 contains the first half +of the character (>= 0xd800). Return char value in TMP1. STR_PTR is +undefined for invalid characters. */ +DEFINE_COMPILER; +struct sljit_jump *exit_invalid[3]; + +sljit_emit_fast_enter(compiler, RETURN_ADDR, 0); + +/* TMP2 contains the high surrogate. */ +exit_invalid[0] = CMP(SLJIT_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, 0xdc00); +exit_invalid[1] = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0); + +OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0)); +OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 10); +OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); + +OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xdc00); +OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, SLJIT_IMM, 0x10000); +exit_invalid[2] = CMP(SLJIT_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, 0x400); + +OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, TMP2, 0); +sljit_emit_fast_return(compiler, RETURN_ADDR, 0); + +JUMPHERE(exit_invalid[0]); +JUMPHERE(exit_invalid[1]); +JUMPHERE(exit_invalid[2]); +OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, INVALID_UTF_CHAR); +sljit_emit_fast_return(compiler, RETURN_ADDR, 0); +} + +static void do_utfreadnewline_invalid(compiler_common *common) +{ +/* Slow decoding a UTF-16 character, specialized for newlines. +TMP1 contains the first half of the character (>= 0xd800). Return +char value in TMP1. */ + +DEFINE_COMPILER; +struct sljit_jump *exit_invalid[2]; + +sljit_emit_fast_enter(compiler, RETURN_ADDR, 0); + +/* TMP2 contains the high surrogate. */ +exit_invalid[0] = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0); + +OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(0)); +exit_invalid[1] = CMP(SLJIT_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, 0xdc00); + +OP2(SLJIT_SUB, TMP2, 0, TMP2, 0, SLJIT_IMM, 0xdc00); +OP2(SLJIT_SUB | SLJIT_SET_LESS, SLJIT_UNUSED, 0, TMP2, 0, SLJIT_IMM, 0x400); +OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_LESS); +OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 0x10000); +OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, UCHAR_SHIFT); +OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP2, 0); + +sljit_emit_fast_return(compiler, RETURN_ADDR, 0); + +JUMPHERE(exit_invalid[0]); +JUMPHERE(exit_invalid[1]); +OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, INVALID_UTF_CHAR); +sljit_emit_fast_return(compiler, RETURN_ADDR, 0); +} + +static void do_utfmoveback_invalid(compiler_common *common) +{ +/* Goes one character back. */ +DEFINE_COMPILER; +struct sljit_jump *exit_invalid[3]; + +sljit_emit_fast_enter(compiler, RETURN_ADDR, 0); + +exit_invalid[0] = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0x400); +exit_invalid[1] = CMP(SLJIT_GREATER_EQUAL, TMP2, 0, STR_PTR, 0); + +OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-1)); +OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xd800); +exit_invalid[2] = CMP(SLJIT_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, 0x400); + +OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); +OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 1); +sljit_emit_fast_return(compiler, RETURN_ADDR, 0); + +JUMPHERE(exit_invalid[0]); +JUMPHERE(exit_invalid[1]); +JUMPHERE(exit_invalid[2]); + +OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); +OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, 0); +sljit_emit_fast_return(compiler, RETURN_ADDR, 0); +} + +static void do_utfpeakcharback_invalid(compiler_common *common) +{ +/* Peak a character back. */ +DEFINE_COMPILER; +struct sljit_jump *jump; +struct sljit_jump *exit_invalid[3]; + +sljit_emit_fast_enter(compiler, RETURN_ADDR, 0); + +jump = CMP(SLJIT_GREATER_EQUAL, TMP1, 0, SLJIT_IMM, 0xe000); +OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, SLJIT_IMM, IN_UCHARS(1)); +exit_invalid[0] = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0xdc00); +exit_invalid[1] = CMP(SLJIT_GREATER_EQUAL, TMP2, 0, STR_PTR, 0); + +OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-2)); +OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x10000 - 0xdc00); +OP2(SLJIT_SUB, TMP2, 0, TMP2, 0, SLJIT_IMM, 0xd800); +exit_invalid[2] = CMP(SLJIT_GREATER_EQUAL, TMP2, 0, SLJIT_IMM, 0x400); +OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 10); +OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, TMP2, 0); + +JUMPHERE(jump); +sljit_emit_fast_return(compiler, RETURN_ADDR, 0); + +JUMPHERE(exit_invalid[0]); +JUMPHERE(exit_invalid[1]); +JUMPHERE(exit_invalid[2]); + +OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, INVALID_UTF_CHAR); +sljit_emit_fast_return(compiler, RETURN_ADDR, 0); +} + +#endif /* PCRE2_CODE_UNIT_WIDTH == 16 */ + /* UCD_BLOCK_SIZE must be 128 (see the assert below). */ #define UCD_BLOCK_MASK 127 #define UCD_BLOCK_SHIFT 7 @@ -3653,12 +4719,12 @@ struct sljit_jump *jump; #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); +const ucd_record *record = GET_UCD(UNASSIGNED_UTF_CHAR); +SLJIT_ASSERT(record->script == ucp_Unknown && 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_ASSERT(UCD_BLOCK_SIZE == 128 && sizeof(ucd_record) == 12); sljit_emit_fast_enter(compiler, RETURN_ADDR, 0); @@ -3666,7 +4732,47 @@ sljit_emit_fast_enter(compiler, RETURN_ADDR, 0); if (!common->utf) { jump = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, MAX_UTF_CODE_POINT + 1); - OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, INVALID_UTF_CHAR); + OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, UNASSIGNED_UTF_CHAR); + JUMPHERE(jump); + } +#endif + +OP2(SLJIT_LSHR, TMP2, 0, TMP1, 0, SLJIT_IMM, UCD_BLOCK_SHIFT); +OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 1); +OP1(SLJIT_MOV_U16, TMP2, 0, SLJIT_MEM1(TMP2), (sljit_sw)PRIV(ucd_stage1)); +OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, UCD_BLOCK_MASK); +OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, UCD_BLOCK_SHIFT); +OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, TMP2, 0); +OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, (sljit_sw)PRIV(ucd_stage2)); +OP1(SLJIT_MOV_U16, TMP2, 0, SLJIT_MEM2(TMP2, TMP1), 1); +sljit_emit_fast_return(compiler, RETURN_ADDR, 0); +} + +static void do_getucdtype(compiler_common *common) +{ +/* Search the UCD record for the character comes in TMP1. +Returns chartype in TMP1 and UCD offset in TMP2. */ +DEFINE_COMPILER; +#if PCRE2_CODE_UNIT_WIDTH == 32 +struct sljit_jump *jump; +#endif + +#if defined SLJIT_DEBUG && SLJIT_DEBUG +/* dummy_ucd_record */ +const ucd_record *record = GET_UCD(UNASSIGNED_UTF_CHAR); +SLJIT_ASSERT(record->script == ucp_Unknown && 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) == 12); + +sljit_emit_fast_enter(compiler, RETURN_ADDR, 0); + +#if PCRE2_CODE_UNIT_WIDTH == 32 +if (!common->utf) + { + jump = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, MAX_UTF_CODE_POINT + 1); + OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, UNASSIGNED_UTF_CHAR); JUMPHERE(jump); } #endif @@ -3679,8 +4785,19 @@ OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, UCD_BLOCK_SHIFT); OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, TMP2, 0); OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, (sljit_sw)PRIV(ucd_stage2)); OP1(SLJIT_MOV_U16, TMP2, 0, SLJIT_MEM2(TMP2, TMP1), 1); + +// PH hacking +//fprintf(stderr, "~~A\n"); + OP2(SLJIT_SHL, TMP1, 0, TMP2, 0, SLJIT_IMM, 2); + OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 3); + OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, TMP1, 0); + OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, (sljit_sw)PRIV(ucd_records) + SLJIT_OFFSETOF(ucd_record, chartype)); + OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, (sljit_sw)PRIV(ucd_records) + SLJIT_OFFSETOF(ucd_record, chartype)); -OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM2(TMP1, TMP2), 3); + + OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM2(TMP1, TMP2), 0); + +// OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM2(TMP1, TMP2), 3); sljit_emit_fast_return(compiler, RETURN_ADDR, 0); } @@ -3695,8 +4812,9 @@ struct sljit_jump *start; struct sljit_jump *end = NULL; struct sljit_jump *end2 = NULL; #if defined SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH != 32 -struct sljit_jump *singlechar; -#endif +struct sljit_label *loop; +struct sljit_jump *jump; +#endif /* SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH != 32 */ jump_list *newline = NULL; sljit_u32 overall_options = common->re->overall_options; BOOL hascrorlf = (common->re->flags & PCRE2_HASCRORLF) != 0; @@ -3733,7 +4851,7 @@ if ((overall_options & PCRE2_FIRSTLINE) != 0) mainloop = LABEL(); /* Continual stores does not cause data dependency. */ OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->match_end_ptr, STR_PTR, 0); - read_char_range(common, common->nlmin, common->nlmax, TRUE); + read_char(common, common->nlmin, common->nlmax, NULL, READ_CHAR_NEWLINE); check_newlinechar(common, common->nltype, &newline, TRUE); CMPTO(SLJIT_LESS, STR_PTR, 0, STR_END, 0, mainloop); JUMPHERE(end); @@ -3753,11 +4871,9 @@ else if ((overall_options & PCRE2_USE_OFFSET_LIMIT) != 0) OP1(SLJIT_MOV, TMP2, 0, STR_END, 0); end = CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, (sljit_sw) PCRE2_UNSET); OP1(SLJIT_MOV, TMP2, 0, ARGUMENTS, 0); -#if PCRE2_CODE_UNIT_WIDTH == 16 - OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 1); -#elif PCRE2_CODE_UNIT_WIDTH == 32 - OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 2); -#endif +#if PCRE2_CODE_UNIT_WIDTH == 16 || PCRE2_CODE_UNIT_WIDTH == 32 + OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, UCHAR_SHIFT); +#endif /* PCRE2_CODE_UNIT_WIDTH == [16|32] */ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(TMP2), SLJIT_OFFSETOF(jit_arguments, begin)); OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, TMP1, 0); end2 = CMP(SLJIT_LESS_EQUAL, TMP2, 0, STR_END, 0); @@ -3781,7 +4897,7 @@ if (newlinecheck) OP_FLAGS(SLJIT_MOV, TMP1, 0, SLJIT_EQUAL); #if PCRE2_CODE_UNIT_WIDTH == 16 || PCRE2_CODE_UNIT_WIDTH == 32 OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, UCHAR_SHIFT); -#endif +#endif /* PCRE2_CODE_UNIT_WIDTH == [16|32] */ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0); end2 = JUMP(SLJIT_JUMP); } @@ -3789,9 +4905,9 @@ if (newlinecheck) mainloop = LABEL(); /* Increasing the STR_PTR here requires one less jump in the most common case. */ -#ifdef SUPPORT_UNICODE -if (common->utf) readuchar = TRUE; -#endif +#if defined SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH != 32 +if (common->utf && !common->invalid_utf) readuchar = TRUE; +#endif /* SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH != 32 */ if (newlinecheck) readuchar = TRUE; if (readuchar) @@ -3803,23 +4919,55 @@ if (newlinecheck) OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); #if defined SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH != 32 #if PCRE2_CODE_UNIT_WIDTH == 8 -if (common->utf) +if (common->invalid_utf) + { + /* Skip continuation code units. */ + loop = LABEL(); + jump = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0); + OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), 0); + OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); + OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, 0x80); + CMPTO(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0x40, loop); + OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); + JUMPHERE(jump); + } +else if (common->utf) { - singlechar = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0xc0); + jump = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0xc0); OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(TMP1), (sljit_sw)PRIV(utf8_table4) - 0xc0); OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0); - JUMPHERE(singlechar); + JUMPHERE(jump); } #elif PCRE2_CODE_UNIT_WIDTH == 16 -if (common->utf) +if (common->invalid_utf) { - singlechar = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0xd800); - OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xfc00); - OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0xd800); - OP_FLAGS(SLJIT_MOV, TMP1, 0, SLJIT_EQUAL); - OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 1); - OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0); - JUMPHERE(singlechar); + /* Skip continuation code units. */ + loop = LABEL(); + jump = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0); + OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), 0); + OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); + OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xdc00); + CMPTO(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0x400, loop); + OP2(SLJIT_SUB, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); + JUMPHERE(jump); + } +else if (common->utf) + { + OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, 0xd800); + + if (sljit_has_cpu_feature(SLJIT_HAS_CMOV)) + { + OP2(SLJIT_ADD, TMP2, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); + OP2(SLJIT_SUB | SLJIT_SET_LESS, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x400); + CMOV(SLJIT_LESS, STR_PTR, TMP2, 0); + } + else + { + OP2(SLJIT_SUB | SLJIT_SET_LESS, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, 0x400); + OP_FLAGS(SLJIT_MOV, TMP1, 0, SLJIT_LESS); + OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, UCHAR_SHIFT); + OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0); + } } #endif /* PCRE2_CODE_UNIT_WIDTH == [8|16] */ #endif /* SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH != 32 */ @@ -4305,16 +5453,16 @@ return CMP(SLJIT_NOT_EQUAL, reg, 0, SLJIT_IMM, 0xdc00); static sljit_s32 character_to_int32(PCRE2_UCHAR chr) { -sljit_s32 value = (sljit_s32)chr; +sljit_u32 value = chr; #if PCRE2_CODE_UNIT_WIDTH == 8 #define SSE2_COMPARE_TYPE_INDEX 0 -return (value << 24) | (value << 16) | (value << 8) | value; +return (sljit_s32)((value << 24) | (value << 16) | (value << 8) | value); #elif PCRE2_CODE_UNIT_WIDTH == 16 #define SSE2_COMPARE_TYPE_INDEX 1 -return (value << 16) | value; +return (sljit_s32)((value << 16) | value); #elif PCRE2_CODE_UNIT_WIDTH == 32 #define SSE2_COMPARE_TYPE_INDEX 2 -return value; +return (sljit_s32)(value); #else #error "Unsupported unit width" #endif @@ -5120,7 +6268,7 @@ for (i = 0; i < max; i++) } #if (defined SLJIT_CONFIG_X86 && SLJIT_CONFIG_X86) && !(defined SUPPORT_VALGRIND) && !(defined _WIN64) -if (check_fast_forward_char_pair_sse2(common, chars, max)) +if (sljit_has_cpu_feature(SLJIT_HAS_SSE2) && check_fast_forward_char_pair_sse2(common, chars, max)) return TRUE; #endif @@ -5356,14 +6504,15 @@ if (common->nltype == NLTYPE_FIXED && common->newline > 255) } OP1(SLJIT_MOV, TMP1, 0, ARGUMENTS, 0); +/* Example: match /^/ to \r\n from offset 1. */ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, str)); firstchar = CMP(SLJIT_LESS_EQUAL, STR_PTR, 0, TMP2, 0); -skip_char_back(common); +move_back(common, NULL, FALSE); loop = LABEL(); common->ff_newline_shortcut = loop; -read_char_range(common, common->nlmin, common->nlmax, TRUE); +read_char(common, common->nlmin, common->nlmax, NULL, READ_CHAR_NEWLINE); lastchar = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0); if (common->nltype == NLTYPE_ANY || common->nltype == NLTYPE_ANYCRLF) foundcr = CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, CHAR_CR); @@ -5544,7 +6693,7 @@ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(STACK_TOP), -sizeof(sljit_sw)); jump = CMP(SLJIT_SIG_LESS_EQUAL, TMP2, 0, SLJIT_IMM, 0); OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, TMP1, 0); -if (sljit_get_register_index (TMP3) < 0) +if (sljit_get_register_index(TMP3) < 0) { OP1(SLJIT_MOV, SLJIT_MEM1(TMP2), 0, SLJIT_MEM1(STACK_TOP), -(2 * sizeof(sljit_sw))); OP1(SLJIT_MOV, SLJIT_MEM1(TMP2), sizeof(sljit_sw), SLJIT_MEM1(STACK_TOP), -(3 * sizeof(sljit_sw))); @@ -5569,7 +6718,7 @@ sljit_emit_fast_return(compiler, RETURN_ADDR, 0); JUMPHERE(jump); OP1(SLJIT_NEG, TMP2, 0, TMP2, 0); OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, TMP1, 0); -if (sljit_get_register_index (TMP3) < 0) +if (sljit_get_register_index(TMP3) < 0) { OP1(SLJIT_MOV, SLJIT_MEM1(TMP2), 0, SLJIT_MEM1(STACK_TOP), -(2 * sizeof(sljit_sw))); OP2(SLJIT_SUB, STACK_TOP, 0, STACK_TOP, 0, SLJIT_IMM, 2 * sizeof(sljit_sw)); @@ -5588,21 +6737,29 @@ static void check_wordboundary(compiler_common *common) DEFINE_COMPILER; struct sljit_jump *skipread; jump_list *skipread_list = NULL; +jump_list *invalid_utf = NULL; #if PCRE2_CODE_UNIT_WIDTH != 8 || defined SUPPORT_UNICODE struct sljit_jump *jump; -#endif +#endif /* PCRE2_CODE_UNIT_WIDTH != 8 || SUPPORT_UNICODE */ SLJIT_COMPILE_ASSERT(ctype_word == 0x10, ctype_word_must_be_16); sljit_emit_fast_enter(compiler, SLJIT_MEM1(SLJIT_SP), LOCALS0); -/* Get type of the previous char, and put it to LOCALS1. */ +/* Get type of the previous char, and put it to TMP3. */ OP1(SLJIT_MOV, TMP1, 0, ARGUMENTS, 0); -OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, begin)); -OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), LOCALS1, SLJIT_IMM, 0); -skipread = CMP(SLJIT_LESS_EQUAL, STR_PTR, 0, TMP1, 0); -skip_char_back(common); -check_start_used_ptr(common); -read_char(common); +OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, begin)); +OP1(SLJIT_MOV, TMP3, 0, SLJIT_IMM, 0); +skipread = CMP(SLJIT_LESS_EQUAL, STR_PTR, 0, TMP2, 0); + +if (common->mode == PCRE2_JIT_COMPLETE) + peek_char_back(common, READ_CHAR_MAX, &invalid_utf); +else + { + move_back(common, &invalid_utf, FALSE); + check_start_used_ptr(common); + /* No need precise read since match fails anyway. */ + read_char(common, 0, READ_CHAR_MAX, &invalid_utf, READ_CHAR_UPDATE_STR_PTR); + } /* Testing char type. */ #ifdef SUPPORT_UNICODE @@ -5610,7 +6767,7 @@ if (common->use_ucp) { OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, 1); jump = CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, CHAR_UNDERSCORE); - add_jump(compiler, &common->getucd, JUMP(SLJIT_FAST_CALL)); + add_jump(compiler, &common->getucdtype, JUMP(SLJIT_FAST_CALL)); OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, ucp_Ll); OP2(SLJIT_SUB | SLJIT_SET_LESS_EQUAL, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, ucp_Lu - ucp_Ll); OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_LESS_EQUAL); @@ -5618,23 +6775,22 @@ if (common->use_ucp) OP2(SLJIT_SUB | SLJIT_SET_LESS_EQUAL, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, ucp_No - ucp_Nd); OP_FLAGS(SLJIT_OR, TMP2, 0, SLJIT_LESS_EQUAL); JUMPHERE(jump); - OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), LOCALS1, TMP2, 0); + OP1(SLJIT_MOV, TMP3, 0, TMP2, 0); } else -#endif +#endif /* SUPPORT_UNICODE */ { #if PCRE2_CODE_UNIT_WIDTH != 8 jump = CMP(SLJIT_GREATER, TMP1, 0, SLJIT_IMM, 255); #elif defined SUPPORT_UNICODE - /* Here LOCALS1 has already been zeroed. */ + /* Here TMP3 has already been zeroed. */ jump = NULL; if (common->utf) jump = CMP(SLJIT_GREATER, TMP1, 0, SLJIT_IMM, 255); #endif /* PCRE2_CODE_UNIT_WIDTH == 8 */ OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(TMP1), common->ctypes); OP2(SLJIT_LSHR, TMP1, 0, TMP1, 0, SLJIT_IMM, 4 /* ctype_word */); - OP2(SLJIT_AND, TMP1, 0, TMP1, 0, SLJIT_IMM, 1); - OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), LOCALS1, TMP1, 0); + OP2(SLJIT_AND, TMP3, 0, TMP1, 0, SLJIT_IMM, 1); #if PCRE2_CODE_UNIT_WIDTH != 8 JUMPHERE(jump); #elif defined SUPPORT_UNICODE @@ -5646,7 +6802,7 @@ JUMPHERE(skipread); OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, 0); check_str_end(common, &skipread_list); -peek_char(common, READ_CHAR_MAX); +peek_char(common, READ_CHAR_MAX, SLJIT_MEM1(SLJIT_SP), LOCALS1, &invalid_utf); /* Testing char type. This is a code duplication. */ #ifdef SUPPORT_UNICODE @@ -5654,7 +6810,7 @@ if (common->use_ucp) { OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, 1); jump = CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, CHAR_UNDERSCORE); - add_jump(compiler, &common->getucd, JUMP(SLJIT_FAST_CALL)); + add_jump(compiler, &common->getucdtype, JUMP(SLJIT_FAST_CALL)); OP2(SLJIT_SUB, TMP1, 0, TMP1, 0, SLJIT_IMM, ucp_Ll); OP2(SLJIT_SUB | SLJIT_SET_LESS_EQUAL, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, ucp_Lu - ucp_Ll); OP_FLAGS(SLJIT_MOV, TMP2, 0, SLJIT_LESS_EQUAL); @@ -5664,7 +6820,7 @@ if (common->use_ucp) JUMPHERE(jump); } else -#endif +#endif /* SUPPORT_UNICODE */ { #if PCRE2_CODE_UNIT_WIDTH != 8 /* TMP2 may be destroyed by peek_char. */ @@ -5688,8 +6844,22 @@ else } set_jumps(skipread_list, LABEL()); -OP2(SLJIT_XOR | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP2, 0, SLJIT_MEM1(SLJIT_SP), LOCALS1); -sljit_emit_fast_return(compiler, SLJIT_MEM1(SLJIT_SP), LOCALS0); +OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), LOCALS0); +OP2(SLJIT_XOR | SLJIT_SET_Z, TMP2, 0, TMP2, 0, TMP3, 0); +sljit_emit_fast_return(compiler, TMP1, 0); + +#ifdef SUPPORT_UNICODE +if (common->invalid_utf) + { + SLJIT_ASSERT(invalid_utf != NULL); + + set_jumps(invalid_utf, LABEL()); + OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), LOCALS0); + OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, -1); + sljit_emit_fast_return(compiler, TMP1, 0); + return; + } +#endif /* SUPPORT_UNICODE */ } static BOOL optimize_class_ranges(compiler_common *common, const sljit_u8 *bits, BOOL nclass, BOOL invert, jump_list **backtracks) @@ -5856,9 +7026,6 @@ int i, j, k, len, c; if (!sljit_has_cpu_feature(SLJIT_HAS_CMOV)) return FALSE; -if (invert) - nclass = !nclass; - len = 0; for (i = 0; i < 32; i++) @@ -5940,6 +7107,9 @@ if (j != 0) } } +if (invert) + nclass = !nclass; + type = nclass ? SLJIT_NOT_EQUAL : SLJIT_EQUAL; add_jump(compiler, backtracks, CMP(type, TMP2, 0, SLJIT_IMM, 0)); return TRUE; @@ -6225,37 +7395,6 @@ OP1(SLJIT_MOV, char1_reg, 0, SLJIT_MEM1(SLJIT_SP), LOCALS1); sljit_emit_fast_return(compiler, TMP1, 0); } -#if defined SUPPORT_UNICODE - -static PCRE2_SPTR SLJIT_FUNC do_utf_caselesscmp(PCRE2_SPTR src1, PCRE2_SPTR src2, PCRE2_SPTR end1, PCRE2_SPTR end2) -{ -/* This function would be ineffective to do in JIT level. */ -sljit_u32 c1, c2; -const ucd_record *ur; -const sljit_u32 *pp; - -while (src1 < end1) - { - if (src2 >= end2) - return (PCRE2_SPTR)1; - GETCHARINC(c1, src1); - GETCHARINC(c2, src2); - ur = GET_UCD(c2); - if (c1 != c2 && c1 != c2 + ur->other_case) - { - pp = PRIV(ucd_caseless_sets) + ur->caseset; - for (;;) - { - if (c1 < *pp) return NULL; - if (c1 == *pp++) break; - } - } - } -return src2; -} - -#endif /* SUPPORT_UNICODE */ - static PCRE2_SPTR byte_sequence_compare(compiler_common *common, BOOL caseless, PCRE2_SPTR cc, compare_context *context, jump_list **backtracks) { @@ -6297,7 +7436,7 @@ if (context->sourcereg == -1) OP1(SLJIT_MOV_U16, TMP1, 0, SLJIT_MEM1(STR_PTR), -context->length); else #endif - OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(STR_PTR), -context->length); + OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), -context->length); #elif PCRE2_CODE_UNIT_WIDTH == 16 #if defined SLJIT_UNALIGNED && SLJIT_UNALIGNED if (context->length >= 4) @@ -6444,7 +7583,7 @@ PCRE2_SPTR ccbegin; int compares, invertcmp, numberofcmps; #if defined SUPPORT_UNICODE && (PCRE2_CODE_UNIT_WIDTH == 8 || PCRE2_CODE_UNIT_WIDTH == 16) BOOL utf = common->utf; -#endif +#endif /* SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH == [8|16] */ #ifdef SUPPORT_UNICODE BOOL needstype = FALSE, needsscript = FALSE, needschar = FALSE; @@ -6452,7 +7591,7 @@ BOOL charsaved = FALSE; int typereg = TMP1; const sljit_u32 *other_cases; sljit_uw typeoffset; -#endif +#endif /* SUPPORT_UNICODE */ /* Scanning the necessary info. */ cc++; @@ -6476,7 +7615,7 @@ while (*cc != XCL_END) if (c < min) min = c; #ifdef SUPPORT_UNICODE needschar = TRUE; -#endif +#endif /* SUPPORT_UNICODE */ } else if (*cc == XCL_RANGE) { @@ -6487,7 +7626,7 @@ while (*cc != XCL_END) if (c > max) max = c; #ifdef SUPPORT_UNICODE needschar = TRUE; -#endif +#endif /* SUPPORT_UNICODE */ } #ifdef SUPPORT_UNICODE else @@ -6555,13 +7694,16 @@ while (*cc != XCL_END) } cc += 2; } -#endif +#endif /* SUPPORT_UNICODE */ } SLJIT_ASSERT(compares > 0); /* We are not necessary in utf mode even in 8 bit mode. */ cc = ccbegin; -read_char_range(common, min, max, (cc[-1] & XCL_NOT) != 0); +if ((cc[-1] & XCL_NOT) != 0) + read_char(common, min, max, backtracks, READ_CHAR_UPDATE_STR_PTR); +else + read_char(common, min, max, NULL, 0); if ((cc[-1] & XCL_HASPROP) == 0) { @@ -6594,13 +7736,13 @@ else if ((cc[-1] & XCL_MAP) != 0) OP1(SLJIT_MOV, RETURN_ADDR, 0, TMP1, 0); #ifdef SUPPORT_UNICODE charsaved = TRUE; -#endif +#endif /* SUPPORT_UNICODE */ if (!optimize_class(common, (const sljit_u8 *)cc, FALSE, TRUE, list)) { #if PCRE2_CODE_UNIT_WIDTH == 8 jump = NULL; if (common->utf) -#endif +#endif /* PCRE2_CODE_UNIT_WIDTH == 8 */ jump = CMP(SLJIT_GREATER, TMP1, 0, SLJIT_IMM, 255); OP2(SLJIT_AND, TMP2, 0, TMP1, 0, SLJIT_IMM, 0x7); @@ -6612,7 +7754,7 @@ else if ((cc[-1] & XCL_MAP) != 0) #if PCRE2_CODE_UNIT_WIDTH == 8 if (common->utf) -#endif +#endif /* PCRE2_CODE_UNIT_WIDTH == 8 */ JUMPHERE(jump); } @@ -6630,10 +7772,10 @@ if (needstype || needsscript) if (!common->utf) { jump = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, MAX_UTF_CODE_POINT + 1); - OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, INVALID_UTF_CHAR); + OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, UNASSIGNED_UTF_CHAR); JUMPHERE(jump); } -#endif +#endif /* PCRE2_CODE_UNIT_WIDTH == 32 */ OP2(SLJIT_LSHR, TMP2, 0, TMP1, 0, SLJIT_IMM, UCD_BLOCK_SHIFT); OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 1); @@ -6647,8 +7789,18 @@ if (needstype || needsscript) /* Before anything else, we deal with scripts. */ if (needsscript) { +// PH hacking +//fprintf(stderr, "~~B\n"); + + OP2(SLJIT_SHL, TMP1, 0, TMP2, 0, SLJIT_IMM, 2); + OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 3); + OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, TMP1, 0); + OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, (sljit_sw)PRIV(ucd_records) + SLJIT_OFFSETOF(ucd_record, script)); - OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM2(TMP1, TMP2), 3); + + OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM2(TMP1, TMP2), 0); + + // OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM2(TMP1, TMP2), 3); ccbegin = cc; @@ -6686,33 +7838,49 @@ if (needstype || needsscript) } if (needschar) - { OP1(SLJIT_MOV, TMP1, 0, RETURN_ADDR, 0); - } if (needstype) { if (!needschar) { +// PH hacking +//fprintf(stderr, "~~C\n"); + OP2(SLJIT_SHL, TMP1, 0, TMP2, 0, SLJIT_IMM, 2); + OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 3); + OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, TMP1, 0); + OP2(SLJIT_ADD, TMP1, 0, TMP2, 0, TMP1, 0); + OP1(SLJIT_MOV, TMP1, 0, SLJIT_IMM, (sljit_sw)PRIV(ucd_records) + SLJIT_OFFSETOF(ucd_record, chartype)); - OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM2(TMP1, TMP2), 3); + + OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM2(TMP1, TMP2), 0); + +// OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM2(TMP1, TMP2), 3); } else { +// PH hacking +//fprintf(stderr, "~~D\n"); + OP2(SLJIT_SHL, TMP1, 0, TMP2, 0, SLJIT_IMM, 2); + OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 3); + + OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, TMP1, 0); + OP1(SLJIT_MOV, TMP1, 0, RETURN_ADDR, 0); + OP1(SLJIT_MOV_U8, RETURN_ADDR, 0, SLJIT_MEM1(TMP2), (sljit_sw)PRIV(ucd_records) + SLJIT_OFFSETOF(ucd_record, chartype)); typereg = RETURN_ADDR; } } } -#endif +#endif /* SUPPORT_UNICODE */ /* Generating code. */ charoffset = 0; numberofcmps = 0; #ifdef SUPPORT_UNICODE typeoffset = 0; -#endif +#endif /* SUPPORT_UNICODE */ while (*cc != XCL_END) { @@ -6979,7 +8147,7 @@ while (*cc != XCL_END) } cc += 2; } -#endif +#endif /* SUPPORT_UNICODE */ if (jump != NULL) add_jump(compiler, compares > 0 ? list : backtracks, jump); @@ -7020,6 +8188,15 @@ switch(type) case OP_NOT_WORD_BOUNDARY: case OP_WORD_BOUNDARY: add_jump(compiler, &common->wordboundary, JUMP(SLJIT_FAST_CALL)); +#ifdef SUPPORT_UNICODE + if (common->invalid_utf) + { + OP2(SLJIT_SUB | SLJIT_SET_Z | SLJIT_SET_SIG_LESS, SLJIT_UNUSED, 0, TMP2, 0, SLJIT_IMM, 0); + add_jump(compiler, backtracks, JUMP(SLJIT_SIG_LESS)); + add_jump(compiler, backtracks, JUMP(type == OP_NOT_WORD_BOUNDARY ? SLJIT_NOT_ZERO : SLJIT_ZERO)); + return cc; + } +#endif /* SUPPORT_UNICODE */ sljit_set_current_flags(compiler, SLJIT_SET_Z); add_jump(compiler, backtracks, JUMP(type == OP_NOT_WORD_BOUNDARY ? SLJIT_NOT_ZERO : SLJIT_ZERO)); return cc; @@ -7078,13 +8255,13 @@ switch(type) } else { - OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), LOCALS1, STR_PTR, 0); - read_char_range(common, common->nlmin, common->nlmax, TRUE); + OP1(SLJIT_MOV, TMP3, 0, STR_PTR, 0); + read_char(common, common->nlmin, common->nlmax, backtracks, READ_CHAR_UPDATE_STR_PTR); add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, STR_PTR, 0, STR_END, 0)); add_jump(compiler, &common->anynewline, JUMP(SLJIT_FAST_CALL)); sljit_set_current_flags(compiler, SLJIT_SET_Z); add_jump(compiler, backtracks, JUMP(SLJIT_ZERO)); - OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(SLJIT_SP), LOCALS1); + OP1(SLJIT_MOV, STR_PTR, 0, TMP3, 0); } JUMPHERE(jump[2]); JUMPHERE(jump[3]); @@ -7143,7 +8320,7 @@ switch(type) } else { - peek_char(common, common->nlmax); + peek_char(common, common->nlmax, TMP3, 0, NULL); check_newlinechar(common, common->nltype, backtracks, FALSE); } JUMPHERE(jump[0]); @@ -7158,10 +8335,10 @@ switch(type) return cc; case OP_CIRCM: - OP1(SLJIT_MOV, TMP2, 0, ARGUMENTS, 0); - OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(TMP2), SLJIT_OFFSETOF(jit_arguments, begin)); - jump[1] = CMP(SLJIT_GREATER, STR_PTR, 0, TMP1, 0); - OP2(SLJIT_AND32 | SLJIT_SET_Z, SLJIT_UNUSED, 0, SLJIT_MEM1(TMP2), SLJIT_OFFSETOF(jit_arguments, options), SLJIT_IMM, PCRE2_NOTBOL); + OP1(SLJIT_MOV, TMP1, 0, ARGUMENTS, 0); + OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, begin)); + jump[1] = CMP(SLJIT_GREATER, STR_PTR, 0, TMP2, 0); + OP2(SLJIT_AND32 | SLJIT_SET_Z, SLJIT_UNUSED, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, options), SLJIT_IMM, PCRE2_NOTBOL); add_jump(compiler, backtracks, JUMP(SLJIT_NOT_ZERO32)); jump[0] = JUMP(SLJIT_JUMP); JUMPHERE(jump[1]); @@ -7171,8 +8348,8 @@ switch(type) if (common->nltype == NLTYPE_FIXED && common->newline > 255) { - OP2(SLJIT_SUB, TMP2, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(2)); - add_jump(compiler, backtracks, CMP(SLJIT_LESS, TMP2, 0, TMP1, 0)); + OP2(SLJIT_SUB, TMP1, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(2)); + add_jump(compiler, backtracks, CMP(SLJIT_LESS, TMP1, 0, TMP2, 0)); OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-2)); OP1(MOV_UCHAR, TMP2, 0, SLJIT_MEM1(STR_PTR), IN_UCHARS(-1)); add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, (common->newline >> 8) & 0xff)); @@ -7180,8 +8357,7 @@ switch(type) } else { - skip_char_back(common); - read_char_range(common, common->nlmin, common->nlmax, TRUE); + peek_char_back(common, common->nlmax, backtracks); check_newlinechar(common, common->nltype, backtracks, FALSE); } JUMPHERE(jump[0]); @@ -7195,12 +8371,12 @@ switch(type) #ifdef SUPPORT_UNICODE if (common->utf) { - OP1(SLJIT_MOV, TMP3, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, begin)); - OP1(SLJIT_MOV, TMP2, 0, SLJIT_IMM, length); + OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(TMP1), SLJIT_OFFSETOF(jit_arguments, begin)); + OP1(SLJIT_MOV, TMP3, 0, SLJIT_IMM, length); label = LABEL(); - add_jump(compiler, backtracks, CMP(SLJIT_LESS_EQUAL, STR_PTR, 0, TMP3, 0)); - skip_char_back(common); - OP2(SLJIT_SUB | SLJIT_SET_Z, TMP2, 0, TMP2, 0, SLJIT_IMM, 1); + add_jump(compiler, backtracks, CMP(SLJIT_LESS_EQUAL, STR_PTR, 0, TMP2, 0)); + move_back(common, backtracks, FALSE); + OP2(SLJIT_SUB | SLJIT_SET_Z, TMP3, 0, TMP3, 0, SLJIT_IMM, 1); JUMPTO(SLJIT_NOT_ZERO, label); } else @@ -7225,21 +8401,28 @@ static PCRE2_SPTR SLJIT_FUNC do_extuni_utf(jit_arguments *args, PCRE2_SPTR cc) { PCRE2_SPTR start_subject = args->begin; PCRE2_SPTR end_subject = args->end; -int lgb, rgb, len, ricount; -PCRE2_SPTR prevcc, bptr; +int lgb, rgb, ricount; +PCRE2_SPTR prevcc, startcc, bptr; +BOOL first = TRUE; uint32_t c; prevcc = cc; -GETCHARINC(c, cc); -lgb = UCD_GRAPHBREAK(c); - -while (cc < end_subject) +startcc = NULL; +do { - len = 1; - GETCHARLEN(c, cc, len); + GETCHARINC(c, cc); rgb = UCD_GRAPHBREAK(c); - if ((PRIV(ucp_gbtable)[lgb] & (1 << rgb)) == 0) break; + if (first) + { + lgb = rgb; + startcc = cc; + first = FALSE; + continue; + } + + if ((PRIV(ucp_gbtable)[lgb] & (1 << rgb)) == 0) + break; /* Not breaking between Regional Indicators is allowed only if there are an even number of preceding RIs. */ @@ -7256,7 +8439,8 @@ while (cc < end_subject) BACKCHAR(bptr); GETCHAR(c, bptr); - if (UCD_GRAPHBREAK(c) != ucp_gbRegionalIndicator) break; + if (UCD_GRAPHBREAK(c) != ucp_gbRegionalIndicator) + break; ricount++; } @@ -7271,14 +8455,80 @@ while (cc < end_subject) lgb != ucp_gbExtended_Pictographic) lgb = rgb; - prevcc = cc; - cc += len; + prevcc = startcc; + startcc = cc; } +while (cc < end_subject); -return cc; +return startcc; } -#endif +static PCRE2_SPTR SLJIT_FUNC do_extuni_utf_invalid(jit_arguments *args, PCRE2_SPTR cc) +{ +PCRE2_SPTR start_subject = args->begin; +PCRE2_SPTR end_subject = args->end; +int lgb, rgb, ricount; +PCRE2_SPTR prevcc, startcc, bptr; +BOOL first = TRUE; +uint32_t c; + +prevcc = cc; +startcc = NULL; +do + { + GETCHARINC_INVALID(c, cc, end_subject, break); + rgb = UCD_GRAPHBREAK(c); + + if (first) + { + lgb = rgb; + startcc = cc; + first = FALSE; + continue; + } + + if ((PRIV(ucp_gbtable)[lgb] & (1 << rgb)) == 0) + break; + + /* Not breaking between Regional Indicators is allowed only if there + are an even number of preceding RIs. */ + + if (lgb == ucp_gbRegionalIndicator && rgb == ucp_gbRegionalIndicator) + { + ricount = 0; + bptr = prevcc; + + /* bptr is pointing to the left-hand character */ + while (bptr > start_subject) + { + GETCHARBACK_INVALID(c, bptr, start_subject, break); + + if (UCD_GRAPHBREAK(c) != ucp_gbRegionalIndicator) + break; + + ricount++; + } + + if ((ricount & 1) != 0) + break; /* Grapheme break required */ + } + + /* If Extend or ZWJ follows Extended_Pictographic, do not update lgb; this + allows any number of them before a following Extended_Pictographic. */ + + if ((rgb != ucp_gbExtend && rgb != ucp_gbZWJ) || + lgb != ucp_gbExtended_Pictographic) + lgb = rgb; + + prevcc = startcc; + startcc = cc; + } +while (cc < end_subject); + +return startcc; +} + +#endif /* PCRE2_CODE_UNIT_WIDTH != 32 */ static PCRE2_SPTR SLJIT_FUNC do_extuni_no_utf(jit_arguments *args, PCRE2_SPTR cc) { @@ -7289,14 +8539,23 @@ PCRE2_SPTR bptr; uint32_t c; GETCHARINC(c, cc); +#if PCRE2_CODE_UNIT_WIDTH == 32 +if (c >= 0x110000) + return NULL; +#endif /* PCRE2_CODE_UNIT_WIDTH == 32 */ lgb = UCD_GRAPHBREAK(c); while (cc < end_subject) { c = *cc; +#if PCRE2_CODE_UNIT_WIDTH == 32 + if (c >= 0x110000) + break; +#endif /* PCRE2_CODE_UNIT_WIDTH == 32 */ rgb = UCD_GRAPHBREAK(c); - if ((PRIV(ucp_gbtable)[lgb] & (1 << rgb)) == 0) break; + if ((PRIV(ucp_gbtable)[lgb] & (1 << rgb)) == 0) + break; /* Not breaking between Regional Indicators is allowed only if there are an even number of preceding RIs. */ @@ -7311,13 +8570,18 @@ while (cc < end_subject) { bptr--; c = *bptr; +#if PCRE2_CODE_UNIT_WIDTH == 32 + if (c >= 0x110000) + break; +#endif /* PCRE2_CODE_UNIT_WIDTH == 32 */ if (UCD_GRAPHBREAK(c) != ucp_gbRegionalIndicator) break; ricount++; } - if ((ricount & 1) != 0) break; /* Grapheme break required */ + if ((ricount & 1) != 0) + break; /* Grapheme break required */ } /* If Extend or ZWJ follows Extended_Pictographic, do not update lgb; this @@ -7333,7 +8597,7 @@ while (cc < end_subject) return cc; } -#endif +#endif /* SUPPORT_UNICODE */ static PCRE2_SPTR compile_char1_matchingpath(compiler_common *common, PCRE2_UCHAR type, PCRE2_SPTR cc, jump_list **backtracks, BOOL check_str_ptr) { @@ -7356,10 +8620,10 @@ switch(type) detect_partial_match(common, backtracks); #if defined SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH == 8 if (common->utf && is_char7_bitset((const sljit_u8*)common->ctypes - cbit_length + cbit_digit, FALSE)) - read_char7_type(common, type == OP_NOT_DIGIT); + read_char7_type(common, backtracks, type == OP_NOT_DIGIT); else #endif - read_char8_type(common, type == OP_NOT_DIGIT); + read_char8_type(common, backtracks, type == OP_NOT_DIGIT); /* Flip the starting bit in the negative case. */ OP2(SLJIT_AND | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, ctype_digit); add_jump(compiler, backtracks, JUMP(type == OP_DIGIT ? SLJIT_ZERO : SLJIT_NOT_ZERO)); @@ -7371,10 +8635,10 @@ switch(type) detect_partial_match(common, backtracks); #if defined SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH == 8 if (common->utf && is_char7_bitset((const sljit_u8*)common->ctypes - cbit_length + cbit_space, FALSE)) - read_char7_type(common, type == OP_NOT_WHITESPACE); + read_char7_type(common, backtracks, type == OP_NOT_WHITESPACE); else #endif - read_char8_type(common, type == OP_NOT_WHITESPACE); + read_char8_type(common, backtracks, type == OP_NOT_WHITESPACE); OP2(SLJIT_AND | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, ctype_space); add_jump(compiler, backtracks, JUMP(type == OP_WHITESPACE ? SLJIT_ZERO : SLJIT_NOT_ZERO)); return cc; @@ -7385,10 +8649,10 @@ switch(type) detect_partial_match(common, backtracks); #if defined SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH == 8 if (common->utf && is_char7_bitset((const sljit_u8*)common->ctypes - cbit_length + cbit_word, FALSE)) - read_char7_type(common, type == OP_NOT_WORDCHAR); + read_char7_type(common, backtracks, type == OP_NOT_WORDCHAR); else #endif - read_char8_type(common, type == OP_NOT_WORDCHAR); + read_char8_type(common, backtracks, type == OP_NOT_WORDCHAR); OP2(SLJIT_AND | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, ctype_word); add_jump(compiler, backtracks, JUMP(type == OP_WORDCHAR ? SLJIT_ZERO : SLJIT_NOT_ZERO)); return cc; @@ -7396,7 +8660,7 @@ switch(type) case OP_ANY: if (check_str_ptr) detect_partial_match(common, backtracks); - read_char_range(common, common->nlmin, common->nlmax, TRUE); + read_char(common, common->nlmin, common->nlmax, backtracks, READ_CHAR_UPDATE_STR_PTR); if (common->nltype == NLTYPE_FIXED && common->newline > 255) { jump[0] = CMP(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, (common->newline >> 8) & 0xff); @@ -7418,12 +8682,18 @@ switch(type) case OP_ALLANY: if (check_str_ptr) detect_partial_match(common, backtracks); -#if defined SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH != 32 +#ifdef SUPPORT_UNICODE if (common->utf) { + if (common->invalid_utf) + { + read_char(common, 0, READ_CHAR_MAX, backtracks, READ_CHAR_UPDATE_STR_PTR); + return cc; + } + +#if PCRE2_CODE_UNIT_WIDTH == 8 || PCRE2_CODE_UNIT_WIDTH == 16 OP1(MOV_UCHAR, TMP1, 0, SLJIT_MEM1(STR_PTR), 0); OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); -#if PCRE2_CODE_UNIT_WIDTH == 8 || PCRE2_CODE_UNIT_WIDTH == 16 #if PCRE2_CODE_UNIT_WIDTH == 8 jump[0] = CMP(SLJIT_LESS, TMP1, 0, SLJIT_IMM, 0xc0); OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(TMP1), (sljit_sw)PRIV(utf8_table4) - 0xc0); @@ -7435,12 +8705,12 @@ switch(type) OP_FLAGS(SLJIT_MOV, TMP1, 0, SLJIT_EQUAL); OP2(SLJIT_SHL, TMP1, 0, TMP1, 0, SLJIT_IMM, 1); OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, TMP1, 0); -#endif +#endif /* PCRE2_CODE_UNIT_WIDTH == 8 */ JUMPHERE(jump[0]); -#endif /* PCRE2_CODE_UNIT_WIDTH == [8|16] */ return cc; +#endif /* PCRE2_CODE_UNIT_WIDTH == [8|16] */ } -#endif +#endif /* SUPPORT_UNICODE */ OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(1)); return cc; @@ -7467,7 +8737,7 @@ switch(type) case OP_ANYNL: if (check_str_ptr) detect_partial_match(common, backtracks); - read_char_range(common, common->bsr_nlmin, common->bsr_nlmax, FALSE); + read_char(common, common->bsr_nlmin, common->bsr_nlmax, NULL, 0); jump[0] = CMP(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, CHAR_CR); /* We don't need to handle soft partial matching case. */ end_list = NULL; @@ -7490,7 +8760,12 @@ switch(type) case OP_HSPACE: if (check_str_ptr) detect_partial_match(common, backtracks); - read_char_range(common, 0x9, 0x3000, type == OP_NOT_HSPACE); + + if (type == OP_NOT_HSPACE) + read_char(common, 0x9, 0x3000, backtracks, READ_CHAR_UPDATE_STR_PTR); + else + read_char(common, 0x9, 0x3000, NULL, 0); + add_jump(compiler, &common->hspace, JUMP(SLJIT_FAST_CALL)); sljit_set_current_flags(compiler, SLJIT_SET_Z); add_jump(compiler, backtracks, JUMP(type == OP_NOT_HSPACE ? SLJIT_NOT_ZERO : SLJIT_ZERO)); @@ -7500,7 +8775,12 @@ switch(type) case OP_VSPACE: if (check_str_ptr) detect_partial_match(common, backtracks); - read_char_range(common, 0xa, 0x2029, type == OP_NOT_VSPACE); + + if (type == OP_NOT_VSPACE) + read_char(common, 0xa, 0x2029, backtracks, READ_CHAR_UPDATE_STR_PTR); + else + read_char(common, 0xa, 0x2029, NULL, 0); + add_jump(compiler, &common->vspace, JUMP(SLJIT_FAST_CALL)); sljit_set_current_flags(compiler, SLJIT_SET_Z); add_jump(compiler, backtracks, JUMP(type == OP_NOT_VSPACE ? SLJIT_NOT_ZERO : SLJIT_ZERO)); @@ -7516,9 +8796,12 @@ switch(type) #if PCRE2_CODE_UNIT_WIDTH != 32 sljit_emit_icall(compiler, SLJIT_CALL, SLJIT_RET(SW) | SLJIT_ARG1(SW) | SLJIT_ARG2(SW), SLJIT_IMM, - common->utf ? SLJIT_FUNC_OFFSET(do_extuni_utf) : SLJIT_FUNC_OFFSET(do_extuni_no_utf)); + common->utf ? (common->invalid_utf ? SLJIT_FUNC_OFFSET(do_extuni_utf_invalid) : SLJIT_FUNC_OFFSET(do_extuni_utf)) : SLJIT_FUNC_OFFSET(do_extuni_no_utf)); + if (common->invalid_utf) + add_jump(compiler, backtracks, CMP(SLJIT_EQUAL, SLJIT_RETURN_REG, 0, SLJIT_IMM, 0)); #else sljit_emit_icall(compiler, SLJIT_CALL, SLJIT_RET(SW) | SLJIT_ARG1(SW) | SLJIT_ARG2(SW), SLJIT_IMM, SLJIT_FUNC_OFFSET(do_extuni_no_utf)); + add_jump(compiler, backtracks, CMP(SLJIT_EQUAL, SLJIT_RETURN_REG, 0, SLJIT_IMM, 0)); #endif OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_RETURN_REG, 0); @@ -7539,11 +8822,15 @@ switch(type) #ifdef SUPPORT_UNICODE if (common->utf && HAS_EXTRALEN(*cc)) length += GET_EXTRALEN(*cc); #endif - if (common->mode == PCRE2_JIT_COMPLETE && check_str_ptr - && (type == OP_CHAR || !char_has_othercase(common, cc) || char_get_othercase_bit(common, cc) != 0)) + + if (check_str_ptr && common->mode != PCRE2_JIT_COMPLETE) + detect_partial_match(common, backtracks); + + if (type == OP_CHAR || !char_has_othercase(common, cc) || char_get_othercase_bit(common, cc) != 0) { OP2(SLJIT_ADD, STR_PTR, 0, STR_PTR, 0, SLJIT_IMM, IN_UCHARS(length)); - add_jump(compiler, backtracks, CMP(SLJIT_GREATER, STR_PTR, 0, STR_END, 0)); + if (length > 1 || (check_str_ptr && common->mode == PCRE2_JIT_COMPLETE)) + add_jump(compiler, backtracks, CMP(SLJIT_GREATER, STR_PTR, 0, STR_END, 0)); context.length = IN_UCHARS(length); context.sourcereg = -1; @@ -7553,8 +8840,6 @@ switch(type) return byte_sequence_compare(common, type == OP_CHARI, cc, &context, backtracks); } - if (check_str_ptr) - detect_partial_match(common, backtracks); #ifdef SUPPORT_UNICODE if (common->utf) { @@ -7564,24 +8849,28 @@ switch(type) #endif c = *cc; - if (type == OP_CHAR || !char_has_othercase(common, cc)) + SLJIT_ASSERT(type == OP_CHARI && char_has_othercase(common, cc)); + + if (check_str_ptr && common->mode == PCRE2_JIT_COMPLETE) + add_jump(compiler, backtracks, CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0)); + + oc = char_othercase(common, c); + read_char(common, c < oc ? c : oc, c > oc ? c : oc, NULL, 0); + + SLJIT_ASSERT(!is_powerof2(c ^ oc)); + + if (sljit_has_cpu_feature(SLJIT_HAS_CMOV)) { - read_char_range(common, c, c, FALSE); + OP2(SLJIT_SUB | SLJIT_SET_Z, SLJIT_UNUSED, 0, TMP1, 0, SLJIT_IMM, oc); + CMOV(SLJIT_EQUAL, TMP1, SLJIT_IMM, c); add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, c)); - return cc + length; } - oc = char_othercase(common, c); - read_char_range(common, c < oc ? c : oc, c > oc ? c : oc, FALSE); - bit = c ^ oc; - if (is_powerof2(bit)) + else { - OP2(SLJIT_OR, TMP1, 0, TMP1, 0, SLJIT_IMM, bit); - add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, c | bit)); - return cc + length; + jump[0] = CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, c); + add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, oc)); + JUMPHERE(jump[0]); } - jump[0] = CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, c); - add_jump(compiler, backtracks, CMP(SLJIT_NOT_EQUAL, TMP1, 0, SLJIT_IMM, oc)); - JUMPHERE(jump[0]); return cc + length; case OP_NOT: @@ -7595,7 +8884,7 @@ switch(type) { #if PCRE2_CODE_UNIT_WIDTH == 8 c = *cc; - if (c < 128) + if (c < 128 && !common->invalid_utf) { OP1(SLJIT_MOV_U8, TMP1, 0, SLJIT_MEM1(STR_PTR), 0); if (type == OP_NOT || !char_has_othercase(common, cc)) @@ -7626,13 +8915,13 @@ switch(type) if (type == OP_NOT || !char_has_othercase(common, cc)) { - read_char_range(common, c, c, TRUE); + read_char(common, c, c, backtracks, READ_CHAR_UPDATE_STR_PTR); add_jump(compiler, backtracks, CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, c)); } else { oc = char_othercase(common, c); - read_char_range(common, c < oc ? c : oc, c > oc ? c : oc, TRUE); + read_char(common, c < oc ? c : oc, c > oc ? c : oc, backtracks, READ_CHAR_UPDATE_STR_PTR); bit = c ^ oc; if (is_powerof2(bit)) { @@ -7654,9 +8943,15 @@ switch(type) #if defined SUPPORT_UNICODE && PCRE2_CODE_UNIT_WIDTH == 8 bit = (common->utf && is_char7_bitset((const sljit_u8 *)cc, type == OP_NCLASS)) ? 127 : 255; - read_char_range(common, 0, bit, type == OP_NCLASS); + if (type == OP_NCLASS) + read_char(common, 0, bit, backtracks, READ_CHAR_UPDATE_STR_PTR); + else + read_char(common, 0, bit, NULL, 0); #else - read_char_range(common, 0, 255, type == OP_NCLASS); + if (type == OP_NCLASS) + read_char(common, 0, 255, backtracks, READ_CHAR_UPDATE_STR_PTR); + else + read_char(common, 0, 255, NULL, 0); #endif if (optimize_class(common, (const sljit_u8 *)cc, type == OP_NCLASS, FALSE, backtracks)) @@ -7843,6 +9138,14 @@ int offset = 0; struct sljit_jump *jump = NULL; struct sljit_jump *partial; struct sljit_jump *nopartial; +#if defined SUPPORT_UNICODE +struct sljit_label *loop; +struct sljit_label *caseless_loop; +jump_list *no_match = NULL; +int source_reg = COUNT_MATCH; +int source_end_reg = ARGUMENTS; +int char1_reg = STACK_LIMIT; +#endif /* SUPPORT_UNICODE */ if (ref) { @@ -7858,34 +9161,98 @@ else #if defined SUPPORT_UNICODE if (common->utf && *cc == OP_REFI) { - SLJIT_ASSERT(TMP1 == SLJIT_R0 && STR_PTR == SLJIT_R1); + SLJIT_ASSERT(common->iref_ptr != 0); + if (ref) - OP1(SLJIT_MOV, SLJIT_R2, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset + 1)); + OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), OVECTOR(offset + 1)); else - OP1(SLJIT_MOV, SLJIT_R2, 0, SLJIT_MEM1(TMP2), sizeof(sljit_sw)); + OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(TMP2), sizeof(sljit_sw)); - if (withchecks) - jump = CMP(SLJIT_EQUAL, TMP1, 0, SLJIT_R2, 0); - /* No free saved registers so save data on stack. */ + if (withchecks && emptyfail) + add_jump(compiler, backtracks, CMP(SLJIT_EQUAL, TMP1, 0, TMP2, 0)); - OP1(SLJIT_MOV, SLJIT_R3, 0, STR_END, 0); - sljit_emit_icall(compiler, SLJIT_CALL, SLJIT_RET(SW) | SLJIT_ARG1(SW) | SLJIT_ARG2(SW) | SLJIT_ARG3(SW) | SLJIT_ARG4(SW), SLJIT_IMM, SLJIT_FUNC_OFFSET(do_utf_caselesscmp)); - OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_RETURN_REG, 0); + OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->iref_ptr, source_reg, 0); + OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->iref_ptr + sizeof(sljit_sw), source_end_reg, 0); + OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), common->iref_ptr + sizeof(sljit_sw) * 2, char1_reg, 0); + + OP1(SLJIT_MOV, source_reg, 0, TMP1, 0); + OP1(SLJIT_MOV, source_end_reg, 0, TMP2, 0); + + loop = LABEL(); + jump = CMP(SLJIT_GREATER_EQUAL, source_reg, 0, source_end_reg, 0); + partial = CMP(SLJIT_GREATER_EQUAL, STR_PTR, 0, STR_END, 0); + /* Read original character. It must be a valid UTF character. */ + OP1(SLJIT_MOV, TMP3, 0, STR_PTR, 0); + OP1(SLJIT_MOV, STR_PTR, 0, source_reg, 0); + + read_char(common, 0, READ_CHAR_MAX, NULL, READ_CHAR_UPDATE_STR_PTR | READ_CHAR_VALID_UTF); + + OP1(SLJIT_MOV, source_reg, 0, STR_PTR, 0); + OP1(SLJIT_MOV, STR_PTR, 0, TMP3, 0); + OP1(SLJIT_MOV, char1_reg, 0, TMP1, 0); + + /* Read second character. */ + read_char(common, 0, READ_CHAR_MAX, &no_match, READ_CHAR_UPDATE_STR_PTR); + + CMPTO(SLJIT_EQUAL, TMP1, 0, char1_reg, 0, loop); + +// PH hacking +//fprintf(stderr, "~~E\n"); + + OP1(SLJIT_MOV, TMP3, 0, TMP1, 0); + + add_jump(compiler, &common->getucd, JUMP(SLJIT_FAST_CALL)); + + OP2(SLJIT_SHL, TMP1, 0, TMP2, 0, SLJIT_IMM, 2); + + OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 3); + + OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, TMP1, 0); + + OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, SLJIT_IMM, (sljit_sw)PRIV(ucd_records)); + + OP1(SLJIT_MOV_S32, TMP1, 0, SLJIT_MEM1(TMP2), SLJIT_OFFSETOF(ucd_record, other_case)); + OP1(SLJIT_MOV_U8, TMP2, 0, SLJIT_MEM1(TMP2), SLJIT_OFFSETOF(ucd_record, caseset)); + OP2(SLJIT_ADD, TMP1, 0, TMP1, 0, TMP3, 0); + CMPTO(SLJIT_EQUAL, TMP1, 0, char1_reg, 0, loop); + + add_jump(compiler, &no_match, CMP(SLJIT_EQUAL, TMP2, 0, SLJIT_IMM, 0)); + OP2(SLJIT_SHL, TMP2, 0, TMP2, 0, SLJIT_IMM, 2); + OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, SLJIT_IMM, (sljit_sw)PRIV(ucd_caseless_sets)); + + caseless_loop = LABEL(); + OP1(SLJIT_MOV_U32, TMP1, 0, SLJIT_MEM1(TMP2), 0); + OP2(SLJIT_ADD, TMP2, 0, TMP2, 0, SLJIT_IMM, sizeof(uint32_t)); + OP2(SLJIT_SUB | SLJIT_SET_Z | SLJIT_SET_LESS, SLJIT_UNUSED, 0, TMP1, 0, char1_reg, 0); + JUMPTO(SLJIT_EQUAL, loop); + JUMPTO(SLJIT_LESS, caseless_loop); + + set_jumps(no_match, LABEL()); if (common->mode == PCRE2_JIT_COMPLETE) - add_jump(compiler, backtracks, CMP(SLJIT_LESS_EQUAL, SLJIT_RETURN_REG, 0, SLJIT_IMM, 1)); - else - { - OP2(SLJIT_SUB | SLJIT_SET_Z | SLJIT_SET_LESS, SLJIT_UNUSED, 0, SLJIT_RETURN_REG, 0, SLJIT_IMM, 1); + JUMPHERE(partial); - add_jump(compiler, backtracks, JUMP(SLJIT_LESS)); + OP1(SLJIT_MOV, source_reg, 0, SLJIT_MEM1(SLJIT_SP), common->iref_ptr); + OP1(SLJIT_MOV, source_end_reg, 0, SLJIT_MEM1(SLJIT_SP), common->iref_ptr + sizeof(sljit_sw)); + OP1(SLJIT_MOV, char1_reg, 0, SLJIT_MEM1(SLJIT_SP), common->iref_ptr + sizeof(sljit_sw) * 2); + add_jump(compiler, backtracks, JUMP(SLJIT_JUMP)); + + if (common->mode != PCRE2_JIT_COMPLETE) + { + JUMPHERE(partial); + OP1(SLJIT_MOV, source_reg, 0, SLJIT_MEM1(SLJIT_SP), common->iref_ptr); + OP1(SLJIT_MOV, source_end_reg, 0, SLJIT_MEM1(SLJIT_SP), common->iref_ptr + sizeof(sljit_sw)); + OP1(SLJIT_MOV, char1_reg, 0, SLJIT_MEM1(SLJIT_SP), common->iref_ptr + sizeof(sljit_sw) * 2); - nopartial = JUMP(SLJIT_NOT_EQUAL); - OP1(SLJIT_MOV, STR_PTR, 0, STR_END, 0); check_partial(common, FALSE); add_jump(compiler, backtracks, JUMP(SLJIT_JUMP)); - JUMPHERE(nopartial); } + + JUMPHERE(jump); + OP1(SLJIT_MOV, source_reg, 0, SLJIT_MEM1(SLJIT_SP), common->iref_ptr); + OP1(SLJIT_MOV, source_end_reg, 0, SLJIT_MEM1(SLJIT_SP), common->iref_ptr + sizeof(sljit_sw)); + OP1(SLJIT_MOV, char1_reg, 0, SLJIT_MEM1(SLJIT_SP), common->iref_ptr + sizeof(sljit_sw) * 2); + return; } else #endif /* SUPPORT_UNICODE */ @@ -8862,6 +10229,42 @@ if (common->optimized_cbracket[offset >> 1] == 0) return stacksize; } +static PCRE2_SPTR SLJIT_FUNC do_script_run(PCRE2_SPTR ptr, PCRE2_SPTR endptr) +{ + if (PRIV(script_run)(ptr, endptr, FALSE)) + return endptr; + return NULL; +} + +#ifdef SUPPORT_UNICODE + +static PCRE2_SPTR SLJIT_FUNC do_script_run_utf(PCRE2_SPTR ptr, PCRE2_SPTR endptr) +{ + if (PRIV(script_run)(ptr, endptr, TRUE)) + return endptr; + return NULL; +} + +#endif /* SUPPORT_UNICODE */ + +static SLJIT_INLINE void match_script_run_common(compiler_common *common, int private_data_ptr, backtrack_common *parent) +{ +DEFINE_COMPILER; + +SLJIT_ASSERT(TMP1 == SLJIT_R0 && STR_PTR == SLJIT_R1); + +OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr); +#ifdef SUPPORT_UNICODE +sljit_emit_icall(compiler, SLJIT_CALL, SLJIT_RET(SW) | SLJIT_ARG1(SW) | SLJIT_ARG2(SW), SLJIT_IMM, + common->utf ? SLJIT_FUNC_OFFSET(do_script_run_utf) : SLJIT_FUNC_OFFSET(do_script_run)); +#else +sljit_emit_icall(compiler, SLJIT_CALL, SLJIT_RET(SW) | SLJIT_ARG1(SW) | SLJIT_ARG2(SW), SLJIT_IMM, SLJIT_FUNC_OFFSET(do_script_run)); +#endif + +OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_RETURN_REG, 0); +add_jump(compiler, parent->top != NULL ? &parent->top->nextbacktracks : &parent->topbacktracks, CMP(SLJIT_EQUAL, SLJIT_RETURN_REG, 0, SLJIT_IMM, 0)); +} + /* Handling bracketed expressions is probably the most complex part. @@ -8997,7 +10400,7 @@ if (opcode == OP_CBRA || opcode == OP_SCBRA) BACKTRACK_AS(bracket_backtrack)->private_data_ptr = private_data_ptr; matchingpath += IMM2_SIZE; } -else if (opcode == OP_ONCE || opcode == OP_SBRA || opcode == OP_SCOND) +else if (opcode == OP_ONCE || opcode == OP_SCRIPT_RUN || opcode == OP_SBRA || opcode == OP_SCOND) { /* Other brackets simply allocate the next entry. */ private_data_ptr = PRIVATE_DATA(ccbegin); @@ -9036,35 +10439,32 @@ if (bra == OP_BRAMINZERO) free_stack(common, 1); braminzero = CMP(SLJIT_EQUAL, STR_PTR, 0, SLJIT_IMM, 0); } - else + else if (opcode == OP_ONCE || opcode >= OP_SBRA) { - if (opcode == OP_ONCE || opcode >= OP_SBRA) + jump = CMP(SLJIT_NOT_EQUAL, STR_PTR, 0, SLJIT_IMM, 0); + OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(1)); + /* Nothing stored during the first run. */ + skip = JUMP(SLJIT_JUMP); + JUMPHERE(jump); + /* Checking zero-length iteration. */ + if (opcode != OP_ONCE || BACKTRACK_AS(bracket_backtrack)->u.framesize < 0) { - jump = CMP(SLJIT_NOT_EQUAL, STR_PTR, 0, SLJIT_IMM, 0); - OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(1)); - /* Nothing stored during the first run. */ - skip = JUMP(SLJIT_JUMP); - JUMPHERE(jump); - /* Checking zero-length iteration. */ - if (opcode != OP_ONCE || BACKTRACK_AS(bracket_backtrack)->u.framesize < 0) - { - /* When we come from outside, private_data_ptr contains the previous STR_PTR. */ - braminzero = CMP(SLJIT_EQUAL, STR_PTR, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr); - } - else - { - /* Except when the whole stack frame must be saved. */ - OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr); - braminzero = CMP(SLJIT_EQUAL, STR_PTR, 0, SLJIT_MEM1(TMP1), STACK(-BACKTRACK_AS(bracket_backtrack)->u.framesize - 2)); - } - JUMPHERE(skip); + /* When we come from outside, private_data_ptr contains the previous STR_PTR. */ + braminzero = CMP(SLJIT_EQUAL, STR_PTR, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr); } else { - jump = CMP(SLJIT_NOT_EQUAL, STR_PTR, 0, SLJIT_IMM, 0); - OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(1)); - JUMPHERE(jump); + /* Except when the whole stack frame must be saved. */ + OP1(SLJIT_MOV, TMP1, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr); + braminzero = CMP(SLJIT_EQUAL, STR_PTR, 0, SLJIT_MEM1(TMP1), STACK(-BACKTRACK_AS(bracket_backtrack)->u.framesize - 2)); } + JUMPHERE(skip); + } + else + { + jump = CMP(SLJIT_NOT_EQUAL, STR_PTR, 0, SLJIT_IMM, 0); + OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(1)); + JUMPHERE(jump); } } @@ -9081,7 +10481,7 @@ if (ket == OP_KETRMIN) if (ket == OP_KETRMAX) { rmax_label = LABEL(); - if (has_alternatives && opcode != OP_ONCE && opcode < OP_SBRA && repeat_type == 0) + if (has_alternatives && opcode >= OP_BRA && opcode < OP_SBRA && repeat_type == 0) BACKTRACK_AS(bracket_backtrack)->alternative_matchingpath = rmax_label; } @@ -9185,7 +10585,7 @@ else if (opcode == OP_CBRA || opcode == OP_SCBRA) OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), TMP2, 0); } } -else if (opcode == OP_SBRA || opcode == OP_SCOND) +else if (opcode == OP_SCRIPT_RUN || opcode == OP_SBRA || opcode == OP_SCOND) { /* Saving the previous value. */ OP1(SLJIT_MOV, TMP2, 0, SLJIT_MEM1(SLJIT_SP), private_data_ptr); @@ -9314,6 +10714,9 @@ if (SLJIT_UNLIKELY(sljit_get_compiler_error(compiler))) if (opcode == OP_ONCE) match_once_common(common, ket, BACKTRACK_AS(bracket_backtrack)->u.framesize, private_data_ptr, has_alternatives, needs_control_head); +if (opcode == OP_SCRIPT_RUN) + match_script_run_common(common, private_data_ptr, backtrack); + stacksize = 0; if (repeat_type == OP_MINUPTO) { @@ -9383,13 +10786,15 @@ if (ket == OP_KETRMAX) if (opcode != OP_ONCE) free_stack(common, 1); } - else if (opcode == OP_ONCE || opcode >= OP_SBRA) + else if (opcode < OP_BRA || opcode >= OP_SBRA) { if (has_alternatives) BACKTRACK_AS(bracket_backtrack)->alternative_matchingpath = LABEL(); + /* Checking zero-length iteration. */ if (opcode != OP_ONCE) { + /* This case includes opcodes such as OP_SCRIPT_RUN. */ CMPTO(SLJIT_NOT_EQUAL, SLJIT_MEM1(SLJIT_SP), private_data_ptr, STR_PTR, 0, rmax_label); /* Drop STR_PTR for greedy plus quantifier. */ if (bra != OP_BRAZERO) @@ -9456,7 +10861,7 @@ if (opcode == OP_ONCE) /* We temporarily encode the needs_control_head in the lowest bit. Note: on the target architectures of SLJIT the ((x << 1) >> 1) returns the same value for small signed numbers (including negative numbers). */ - BACKTRACK_AS(bracket_backtrack)->u.framesize = (BACKTRACK_AS(bracket_backtrack)->u.framesize << 1) | (needs_control_head ? 1 : 0); + BACKTRACK_AS(bracket_backtrack)->u.framesize = (int)((unsigned)BACKTRACK_AS(bracket_backtrack)->u.framesize << 1) | (needs_control_head ? 1 : 0); } return cc + repeat_length; } @@ -9951,7 +11356,7 @@ if (exact > 1) #ifdef SUPPORT_UNICODE && !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)); @@ -10634,6 +12039,7 @@ while (cc < ccend) break; case OP_ONCE: + case OP_SCRIPT_RUN: case OP_BRA: case OP_CBRA: case OP_COND: @@ -10787,14 +12193,14 @@ switch(opcode) if (CURRENT_AS(char_iterator_backtrack)->u.charpos.othercasebit != 0) OP2(SLJIT_OR, TMP1, 0, TMP1, 0, SLJIT_IMM, CURRENT_AS(char_iterator_backtrack)->u.charpos.othercasebit); CMPTO(SLJIT_EQUAL, TMP1, 0, SLJIT_IMM, CURRENT_AS(char_iterator_backtrack)->u.charpos.chr, CURRENT_AS(char_iterator_backtrack)->matchingpath); - skip_char_back(common); + move_back(common, NULL, TRUE); CMPTO(SLJIT_GREATER, STR_PTR, 0, TMP2, 0, label); } else { OP1(SLJIT_MOV, STR_PTR, 0, base, offset0); jump = CMP(SLJIT_LESS_EQUAL, STR_PTR, 0, base, offset1); - skip_char_back(common); + move_back(common, NULL, TRUE); OP1(SLJIT_MOV, base, offset0, STR_PTR, 0); JUMPTO(SLJIT_JUMP, CURRENT_AS(char_iterator_backtrack)->matchingpath); } @@ -11240,6 +12646,9 @@ if (has_alternatives) compile_matchingpath(common, ccprev, cc, current); if (SLJIT_UNLIKELY(sljit_get_compiler_error(compiler))) return; + + if (opcode == OP_SCRIPT_RUN) + match_script_run_common(common, private_data_ptr, current); } /* Instructions after the current alternative is successfully matched. */ @@ -11368,7 +12777,7 @@ if (offset != 0) OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), private_data_ptr, TMP1, 0); } } -else if (opcode == OP_SBRA || opcode == OP_SCOND) +else if (opcode == OP_SCRIPT_RUN || opcode == OP_SBRA || opcode == OP_SCOND) { OP1(SLJIT_MOV, SLJIT_MEM1(SLJIT_SP), private_data_ptr, SLJIT_MEM1(STACK_TOP), STACK(0)); free_stack(common, 1); @@ -11717,6 +13126,7 @@ while (current) break; case OP_ONCE: + case OP_SCRIPT_RUN: case OP_BRA: case OP_CBRA: case OP_COND: @@ -12016,6 +13426,9 @@ sljit_emit_fast_return(compiler, TMP2, 0); #undef COMPILE_BACKTRACKINGPATH #undef CURRENT_AS +#define PUBLIC_JIT_COMPILE_CONFIGURATION_OPTIONS \ + (PCRE2_JIT_INVALID_UTF) + static int jit_compile(pcre2_code *code, sljit_u32 mode) { pcre2_real_code *re = (pcre2_real_code *)code; @@ -12052,6 +13465,11 @@ common->re = re; common->name_table = (PCRE2_SPTR)((uint8_t *)re + sizeof(pcre2_real_code)); rootbacktrack.cc = common->name_table + re->name_count * re->name_entry_size; +#ifdef SUPPORT_UNICODE +common->invalid_utf = (mode & PCRE2_JIT_INVALID_UTF) != 0; +#endif /* SUPPORT_UNICODE */ +mode &= ~PUBLIC_JIT_COMPILE_CONFIGURATION_OPTIONS; + common->start = rootbacktrack.cc; common->read_only_data_head = NULL; common->fcc = tables + fcc_offset; @@ -12066,6 +13484,7 @@ switch(re->newline_convention) case PCRE2_NEWLINE_CRLF: common->newline = (CHAR_CR << 8) | CHAR_NL; break; case PCRE2_NEWLINE_ANY: common->newline = (CHAR_CR << 8) | CHAR_NL; common->nltype = NLTYPE_ANY; break; case PCRE2_NEWLINE_ANYCRLF: common->newline = (CHAR_CR << 8) | CHAR_NL; common->nltype = NLTYPE_ANYCRLF; break; + case PCRE2_NEWLINE_NUL: common->newline = CHAR_NUL; break; default: return PCRE2_ERROR_INTERNAL; } common->nlmax = READ_CHAR_MAX; @@ -12117,6 +13536,8 @@ if (common->utf) common->bsr_nlmax = (CHAR_CR > CHAR_NL) ? CHAR_CR : CHAR_NL; common->bsr_nlmin = (CHAR_CR < CHAR_NL) ? CHAR_CR : CHAR_NL; } +else + common->invalid_utf = FALSE; #endif /* SUPPORT_UNICODE */ ccend = bracketend(common->start); @@ -12557,22 +13978,49 @@ if (common->utfreadchar != NULL) set_jumps(common->utfreadchar, LABEL()); do_utfreadchar(common); } -if (common->utfreadchar16 != NULL) - { - set_jumps(common->utfreadchar16, LABEL()); - do_utfreadchar16(common); - } if (common->utfreadtype8 != NULL) { set_jumps(common->utfreadtype8, LABEL()); do_utfreadtype8(common); } +if (common->utfpeakcharback != NULL) + { + set_jumps(common->utfpeakcharback, LABEL()); + do_utfpeakcharback(common); + } #endif /* PCRE2_CODE_UNIT_WIDTH == 8 */ +#if PCRE2_CODE_UNIT_WIDTH == 8 || PCRE2_CODE_UNIT_WIDTH == 16 +if (common->utfreadchar_invalid != NULL) + { + set_jumps(common->utfreadchar_invalid, LABEL()); + do_utfreadchar_invalid(common); + } +if (common->utfreadnewline_invalid != NULL) + { + set_jumps(common->utfreadnewline_invalid, LABEL()); + do_utfreadnewline_invalid(common); + } +if (common->utfmoveback_invalid) + { + set_jumps(common->utfmoveback_invalid, LABEL()); + do_utfmoveback_invalid(common); + } +if (common->utfpeakcharback_invalid) + { + set_jumps(common->utfpeakcharback_invalid, LABEL()); + do_utfpeakcharback_invalid(common); + } +#endif /* PCRE2_CODE_UNIT_WIDTH == 8 || PCRE2_CODE_UNIT_WIDTH == 16 */ if (common->getucd != NULL) { set_jumps(common->getucd, LABEL()); do_getucd(common); } +if (common->getucdtype != NULL) + { + set_jumps(common->getucdtype, LABEL()); + do_getucdtype(common); + } #endif /* SUPPORT_UNICODE */ SLJIT_FREE(common->optimized_cbracket, allocator_data); @@ -12644,7 +14092,7 @@ Returns: 0: success or (*NOJIT) was used */ #define PUBLIC_JIT_COMPILE_OPTIONS \ - (PCRE2_JIT_COMPLETE|PCRE2_JIT_PARTIAL_SOFT|PCRE2_JIT_PARTIAL_HARD) + (PCRE2_JIT_COMPLETE|PCRE2_JIT_PARTIAL_SOFT|PCRE2_JIT_PARTIAL_HARD|PCRE2_JIT_INVALID_UTF) PCRE2_EXP_DEFN int PCRE2_CALL_CONVENTION pcre2_jit_compile(pcre2_code *code, uint32_t options) @@ -12659,6 +14107,7 @@ return PCRE2_ERROR_JIT_BADOPTION; pcre2_real_code *re = (pcre2_real_code *)code; executable_functions *functions; +uint32_t excluded_options; int result; if (code == NULL) @@ -12673,21 +14122,24 @@ functions = (executable_functions *)re->executable_jit; if ((options & PCRE2_JIT_COMPLETE) != 0 && (functions == NULL || functions->executable_funcs[0] == NULL)) { - result = jit_compile(code, PCRE2_JIT_COMPLETE); + excluded_options = (PCRE2_JIT_PARTIAL_SOFT | PCRE2_JIT_PARTIAL_HARD); + result = jit_compile(code, options & ~excluded_options); if (result != 0) return result; } if ((options & PCRE2_JIT_PARTIAL_SOFT) != 0 && (functions == NULL || functions->executable_funcs[1] == NULL)) { - result = jit_compile(code, PCRE2_JIT_PARTIAL_SOFT); + excluded_options = (PCRE2_JIT_COMPLETE | PCRE2_JIT_PARTIAL_HARD); + result = jit_compile(code, options & ~excluded_options); if (result != 0) return result; } if ((options & PCRE2_JIT_PARTIAL_HARD) != 0 && (functions == NULL || functions->executable_funcs[2] == NULL)) { - result = jit_compile(code, PCRE2_JIT_PARTIAL_HARD); + excluded_options = (PCRE2_JIT_COMPLETE | PCRE2_JIT_PARTIAL_SOFT); + result = jit_compile(code, options & ~excluded_options); if (result != 0) return result; } |