Cross Reference: /src/external/gpl2/lvm2/dist/libdm/regex/parse

Lines Matching refs:ps
29 static struct rx_node *_or_term(struct parse_sp *ps);
31 static void _single_char(struct parse_sp *ps, unsigned int c, const char *ptr)
33 	ps->type = 0;
34 	ps->cursor = ptr + 1;
35 	dm_bit_clear_all(ps->charset);
36 	dm_bit_set(ps->charset, c);
43 static int _rx_get_token(struct parse_sp *ps)
47 	const char *ptr = ps->cursor;
48 	if (ptr == ps->rx_end) {	/* end of input ? */
49 		ps->type = -1;
58 			dm_bit_set_all(ps->charset);
61 			dm_bit_clear(ps->charset, 0);
66 			dm_bit_clear_all(ps->charset);
68 		while ((ptr < ps->rx_end) && (*ptr != ']')) {
89 				if (ptr == ps->rx_end) {
108 						dm_bit_clear(ps->charset, lc);
110 						dm_bit_set(ps->charset, lc);
116 					dm_bit_clear(ps->charset, c);
118 					dm_bit_set(ps->charset, c);
124 		if (ptr >= ps->rx_end) {
125 			ps->type = -1;
129 		ps->type = 0;
130 		ps->cursor = ptr + 1;
142 		ps->type = (int) *ptr;
143 		ps->cursor = ptr + 1;
147 		_single_char(ps, HAT_CHAR, ptr);
151 		_single_char(ps, DOLLAR_CHAR, ptr);
156 		ps->type = 0;
157 		ps->cursor = ptr + 1;
158 		dm_bit_set_all(ps->charset);
159 		dm_bit_clear(ps->charset, (int) '\n');
160 		dm_bit_clear(ps->charset, (int) '\r');
161 		dm_bit_clear(ps->charset, 0);
167 		if (ptr >= ps->rx_end) {
170 			ps->type = -1;
174 		ps->type = 0;
175 		ps->cursor = ptr + 1;
176 		dm_bit_clear_all(ps->charset);
179 			dm_bit_set(ps->charset, (int) '\n');
182 			dm_bit_set(ps->charset, (int) '\r');
185 			dm_bit_set(ps->charset, (int) '\t');
188 			dm_bit_set(ps->charset, (int) *ptr);
194 		ps->type = 0;
195 		ps->cursor = ptr + 1;
196 		dm_bit_clear_all(ps->charset);
197 		dm_bit_set(ps->charset, (int) *ptr);
223 static struct rx_node *_term(struct parse_sp *ps)
227 	switch (ps->type) {
229 		if (!(n = _node(ps->mem, CHARSET, NULL, NULL))) {
234 		dm_bit_copy(n->charset, ps->charset);
235 		_rx_get_token(ps);	/* match charset */
239 		_rx_get_token(ps);	/* match '(' */
240 		n = _or_term(ps);
241 		if (ps->type != ')') {
245 		_rx_get_token(ps);	/* match ')' */
255 static struct rx_node *_closure_term(struct parse_sp *ps)
259 	if (!(l = _term(ps)))
263 		switch (ps->type) {
265 			n = _node(ps->mem, STAR, l, NULL);
269 			n = _node(ps->mem, PLUS, l, NULL);
273 			n = _node(ps->mem, QUEST, l, NULL);
285 		_rx_get_token(ps);
292 static struct rx_node *_cat_term(struct parse_sp *ps)
296 	if (!(l = _closure_term(ps)))
299 	if (ps->type == '|')
302 	if (!(r = _cat_term(ps)))
305 	if (!(n = _node(ps->mem, CAT, l, r)))
311 static struct rx_node *_or_term(struct parse_sp *ps)
315 	if (!(l = _cat_term(ps)))
318 	if (ps->type != '|')
321 	_rx_get_token(ps);		/* match '|' */
323 	if (!(r = _or_term(ps))) {
328 	if (!(n = _node(ps->mem, OR, l, r)))
338 	struct parse_sp *ps = dm_pool_zalloc(mem, sizeof(*ps));
340 	if (!ps) {
345 	ps->mem = mem;
346 	ps->charset = dm_bitset_create(mem, 256);
347 	ps->cursor = begin;
348 	ps->rx_end = end;
349 	_rx_get_token(ps);		/* load the first token */
351 	if (!(r = _or_term(ps))) {
353 		dm_pool_free(mem, ps);
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