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updated for version 7.3.1014

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Problem:    New regexp state dump is hard to read.
Solution:   Make the state dump more pretty. (Taro Muraoka)
This commit is contained in:
Bram Moolenaar 2013-05-25 12:28:11 +02:00
parent d6c11cb3e0
commit 152e7890c1
2 changed files with 60 additions and 12 deletions
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70
src/regexp_nfa.c
View File

@ -183,7 +183,8 @@ static int nfa_reg __ARGS((int paren));
#ifdef DEBUG
static void nfa_set_code __ARGS((int c));
static void nfa_postfix_dump __ARGS((char_u *expr, int retval));
static void nfa_print_state __ARGS((FILE *debugf, nfa_state_T *state, int ident));
static void nfa_print_state __ARGS((FILE *debugf, nfa_state_T *state));
static void nfa_print_state2 __ARGS((FILE *debugf, nfa_state_T *state, garray_T *indent));
static void nfa_dump __ARGS((nfa_regprog_T *prog));
#endif
static int *re2post __ARGS((void));
@ -1811,29 +1812,74 @@ nfa_postfix_dump(expr, retval)
* Print the NFA starting with a root node "state".
*/
static void
nfa_print_state(debugf, state, ident)
nfa_print_state(debugf, state)
FILE *debugf;
nfa_state_T *state;
int ident;
{
int i;
garray_T indent;
ga_init2(&indent, 1, 64);
ga_append(&indent, '\0');
nfa_print_state2(debugf, state, &indent);
ga_clear(&indent);
}
static void
nfa_print_state2(debugf, state, indent)
FILE *debugf;
nfa_state_T *state;
garray_T *indent;
{
char_u *p;
if (state == NULL)
return;
fprintf(debugf, "(%2d)", abs(state->id));
for (i = 0; i < ident; i++)
fprintf(debugf, "%c", ' ');
/* Output indent */
p = (char_u *)indent->ga_data;
if (indent->ga_len >= 3)
{
int last = indent->ga_len - 3;
char_u save[2];
STRNCPY(save, &p[last], 2);
STRNCPY(&p[last], "+-", 2);
fprintf(debugf, " %s", p);
STRNCPY(&p[last], save, 2);
}
else
fprintf(debugf, " %s", p);
nfa_set_code(state->c);
fprintf(debugf, "%s %s (%d) (id=%d)\n",
state->negated ? "NOT" : "", code, state->c, abs(state->id));
fprintf(debugf, "%s%s (%d) (id=%d)\n",
state->negated ? "NOT " : "", code, state->c, abs(state->id));
if (state->id < 0)
return;
state->id = abs(state->id) * -1;
nfa_print_state(debugf, state->out, ident + 4);
nfa_print_state(debugf, state->out1, ident + 4);
/* grow indent for state->out */
indent->ga_len -= 1;
if (state->out1)
ga_concat(indent, "| ");
else
ga_concat(indent, " ");
ga_append(indent, '\0');
nfa_print_state2(debugf, state->out, indent);
/* replace last part of indent for state->out1 */
indent->ga_len -= 3;
ga_concat(indent, " ");
ga_append(indent, '\0');
nfa_print_state2(debugf, state->out1, indent);
/* shrink indent */
indent->ga_len -= 3;
ga_append(indent, '\0');
}
/*
@ -1847,7 +1893,7 @@ nfa_dump(prog)
if (debugf != NULL)
{
nfa_print_state(debugf, prog->start, 0);
nfa_print_state(debugf, prog->start);
fclose(debugf);
}
}
@ -3505,7 +3551,7 @@ nfa_regtry(start, col)
#endif
fprintf(f, "\tInput text is \"%s\" \n", reginput);
fprintf(f, " =======================================================\n\n\n\n\n\n\n");
nfa_print_state(f, start, 0);
nfa_print_state(f, start);
fprintf(f, "\n\n");
fclose(f);
}

2
src/version.c
View File

@ -728,6 +728,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
1014,
/**/
1013,
/**/