Fix bugs in matcher. Improve code.
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7bee35ba94
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@ -63,26 +63,26 @@
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# define CTLSEQS_TRIE_INIT_SIZE 16
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#endif // !CTLSEQS_TRIE_INIT_SIZE
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#define CTLSEQS_VALUE_STR(stop_cond) \
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for (cnt = 0; ; ++cnt) { \
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num = seq_val[cnt]; \
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if (stop_cond) { \
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break; \
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} \
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} \
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buf[0].num = cnt; \
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buf[1].str = seq_val; \
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*seq = seq_val + cnt; \
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*buf_offset += 2; \
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#define CTLSEQS_VALUE_STR(stop_cond) \
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for (cnt = 0; ; ++cnt) { \
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num = seq_val[cnt]; \
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if (stop_cond) { \
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break; \
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} \
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} \
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buf_val[0].num = cnt; \
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buf_val[1].str = seq_val; \
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*seq = seq_val + cnt; \
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*buf += 2; \
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return true
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#define CTLSEQS_VALUE_NUM(base) \
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errno = 0; \
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num = strtoul(seq_val, seq, base); \
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if (errno != 0 || seq_val == *seq) { \
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return false; \
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} \
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buf[0].num = num; \
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*buf_offset += 1; \
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#define CTLSEQS_VALUE_NUM(base) \
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errno = 0; \
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num = strtoul(seq_val, seq, base); \
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if (errno || seq_val == *seq) { \
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return false; \
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} \
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buf_val[0].num = num; \
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++*buf; \
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return true
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enum ctlseqs_placeholder {
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@ -120,9 +120,9 @@ struct ctlseqs_trie_node {
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struct ctlseqs_match_ctx {
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ssize_t value;
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size_t result_idx;
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struct ctlseqs_trie_node const *node;
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char *rbuf;
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union ctlseqs_value *result;
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};
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struct ctlseqs_matcher {
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@ -233,29 +233,29 @@ ctlseqs_state_transition(enum ctlseqs_state state, char ch)
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}
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CTLSEQS_HOT static bool
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ctlseqs_fetch(char **seq, int type, union ctlseqs_value *buf, size_t *buf_offset)
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ctlseqs_fetch(char **seq, int type, union ctlseqs_value **buf)
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{
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unsigned long cnt, num;
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char *seq_val = *seq;
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buf += *buf_offset;
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union ctlseqs_value *buf_val = *buf;
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switch (type) {
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case ctlseqs_ph_num:
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CTLSEQS_VALUE_NUM(10);
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case ctlseqs_ph_nums:
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for (cnt = 1; ; ++cnt) {
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errno = 0;
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num = strtoul(seq_val, seq, 10);
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if (errno != 0 || seq_val == *seq) {
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if (errno || seq_val == *seq) {
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return false;
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}
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buf[cnt].num = num;
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if (seq_val[0] == ';') {
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++seq_val;
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} else {
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buf_val[cnt].num = num;
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if ((*seq)[0] != ';') {
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break;
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}
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seq_val = *seq + 1;
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}
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buf[0].num = cnt;
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*buf_offset += 1;
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buf_val[0].num = cnt;
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*buf += cnt + 1;
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return true;
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case ctlseqs_ph_str:
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CTLSEQS_VALUE_STR(num < ' ' || num > '~');
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@ -280,8 +280,9 @@ ctlseqs_match_pattern(struct ctlseqs_reader *reader, struct ctlseqs_matcher cons
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{
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struct ctlseqs_trie_node const *old_node, empty_node = { 0 };
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struct ctlseqs_match_ctx match_ctx = {
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.node = matcher == NULL ? &empty_node : &matcher->root,
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.rbuf = reader->rbuf + reader->buf_start + 1,
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.node = matcher == NULL ? &empty_node : &matcher->root,
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.rbuf = reader->rbuf + reader->buf_start + 1,
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.result = reader->buffer,
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};
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ssize_t match_stack_top = -1;
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while (true) {
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@ -298,12 +299,12 @@ ctlseqs_match_pattern(struct ctlseqs_reader *reader, struct ctlseqs_matcher cons
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match_ctx.node = match_ctx.node->children[-match_ctx.value];
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struct ctlseqs_trie_node *next_node = match_ctx.node->next;
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matcher->match_stack[++match_stack_top] = (struct ctlseqs_match_ctx) {
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.value = next_node == NULL ? 0 : -next_node->placeholder,
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.node = old_node,
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.rbuf = match_ctx.rbuf,
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.result_idx = match_ctx.result_idx,
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.value = next_node == NULL ? 0 : -next_node->placeholder,
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.node = old_node,
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.rbuf = match_ctx.rbuf,
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.result = match_ctx.result,
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};
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if (!ctlseqs_fetch(&match_ctx.rbuf, -match_ctx.value, reader->buffer, &match_ctx.result_idx)) {
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if (!ctlseqs_fetch(&match_ctx.rbuf, -match_ctx.value, &match_ctx.result)) {
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break;
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}
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} else {
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@ -287,7 +287,7 @@
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// XTGETTCAP response message
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#define CTLSEQS_RESP_XTGETTCAP(n, s) CTLSEQS_DCS n "+r" s CTLSEQS_ST
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// Primary DA response message
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#define CTLSEQS_RESP_PRIMARY_DA(ns) CTLSEQS_CSI ns "c"
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#define CTLSEQS_RESP_PRIMARY_DA(ns) CTLSEQS_CSI "?" ns "c"
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// Secondary DA response message
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#define CTLSEQS_RESP_SECONDARY_DA(n1, n2, n3) CTLSEQS_CSI ">" n1 ";" n2 ";" n3 "c"
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// DECLRP response message
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