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https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
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| Rev 297 |
Rev 338 |
typedef __SIZE_TYPE__ size_t;
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typedef __SIZE_TYPE__ size_t;
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struct re_pattern_buffer
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struct re_pattern_buffer
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{
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{
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unsigned char *buffer;
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unsigned char *buffer;
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unsigned long int used;
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unsigned long int used;
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};
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};
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struct re_registers
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struct re_registers
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{
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{
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int *start;
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int *start;
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};
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};
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static const char **regstart, **regend;
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static const char **regstart, **regend;
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static const char **old_regend;
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static const char **old_regend;
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static int
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static int
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re_match_2_internal (struct re_pattern_buffer *bufp,
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re_match_2_internal (struct re_pattern_buffer *bufp,
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struct re_registers *regs)
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struct re_registers *regs)
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{
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{
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unsigned char *p = bufp->buffer;
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unsigned char *p = bufp->buffer;
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unsigned char *pend = p + bufp->used;
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unsigned char *pend = p + bufp->used;
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for (;;)
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for (;;)
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{
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{
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int highest_active_reg = 1;
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int highest_active_reg = 1;
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if (bufp)
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if (bufp)
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{
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{
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int i;
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int i;
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for (i = 1;; i++)
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for (i = 1;; i++)
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regs->start[i] = 0;
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regs->start[i] = 0;
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}
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}
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switch ((unsigned int) *p++)
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switch ((unsigned int) *p++)
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{
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{
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case 1:
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case 1:
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{
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{
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unsigned char r = *p;
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unsigned char r = *p;
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if (r)
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if (r)
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highest_active_reg = r;
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highest_active_reg = r;
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}
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}
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if (p + 2 == pend)
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if (p + 2 == pend)
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{
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{
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char is_a_jump_n = 0;
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char is_a_jump_n = 0;
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int mcnt = 0;
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int mcnt = 0;
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unsigned char *p1;
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unsigned char *p1;
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p1 = p + 2;
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p1 = p + 2;
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switch (*p1++)
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switch (*p1++)
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{
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{
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case 2:
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case 2:
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is_a_jump_n = 1;
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is_a_jump_n = 1;
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case 1:
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case 1:
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do { do { mcnt = *p1; } while (0); p1 += 2; } while (0);
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do { do { mcnt = *p1; } while (0); p1 += 2; } while (0);
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if (is_a_jump_n)
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if (is_a_jump_n)
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p1 = 0;
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p1 = 0;
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}
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}
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if (mcnt && *p1 == 0)
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if (mcnt && *p1 == 0)
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{
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{
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unsigned r;
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unsigned r;
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for (r = 0; r < (unsigned) *p + (unsigned) *(p + 1); r++)
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for (r = 0; r < (unsigned) *p + (unsigned) *(p + 1); r++)
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{
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{
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if (regend[0] >= regstart[r])
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if (regend[0] >= regstart[r])
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regend[r] = old_regend[r];
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regend[r] = old_regend[r];
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}
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}
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do { while (0 < highest_active_reg + 1) { } } while (0);
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do { while (0 < highest_active_reg + 1) { } } while (0);
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}
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}
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}
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}
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}
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}
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}
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}
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return -1;
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return -1;
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}
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}
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