|
|
169dcb5bf2
|
fix regex parsing by not considering grouping parens as an operator
|
2025-10-01 13:48:18 +01:00 |
|
|
|
6a98cddebe
|
added functions to compute firstpos, lastpos and nullable
|
2025-10-01 12:36:26 +01:00 |
|
|
|
7347437f17
|
change representation of alternation nodes and concatenation nodes to use tuples instead of lists, as the conventional algorithms use this representation
|
2025-10-01 12:17:35 +01:00 |
|
|
|
fd0ce5b22a
|
add function to compute if a given node is nullable
|
2025-10-01 11:52:45 +01:00 |
|
|
|
9584bca7ee
|
when parsing NFA, label position of leaves (each leaf is either a CHAR_LITERAL or a WILDCARD)
|
2025-10-01 11:23:41 +01:00 |
|
|
|
31f70a6748
|
remove nfa-matching code for the moment, and parse a simple regex tree without state information
|
2025-10-01 10:48:45 +01:00 |
|
|
|
774dba5c19
|
find bug and comment on it. We currently assume the first character in an NFA string is a CHAR_LITERAL, but it can be anything else, including a WILDCARD operator; we have to check what the chr is and decide. We probably want to take care of this later, so added a todo-note.
|
2025-09-30 14:25:45 +01:00 |
|
|
|
934fa729a9
|
parse and interpret wildcard character which is a dot .
|
2025-09-30 14:10:49 +01:00 |
|
|
|
b52b5ff28c
|
parse wildcard . character for NFA too
|
2025-09-30 14:05:39 +01:00 |
|
|
|
5fa784b4c6
|
refactor nfa.sml so that lists in CONCAT and ALTERNATION cases don't need the state to be tupled with the regex
|
2025-09-30 13:52:35 +01:00 |
|
|
|
45fbd85183
|
move buffer around when calling 'SearchList.buildRange'
|
2025-09-30 05:40:57 +01:00 |
|
|
|
e03eecf940
|
use LineGap.sub instead of LineGap.substring, as the former function is now fixed
|
2025-09-30 05:30:11 +01:00 |
|
|
|
b35d045a09
|
fix bugs in implementation for 'Nfa.getMatchesInRange'
|
2025-09-29 22:57:19 +01:00 |
|
|
|
d37e510b24
|
progress fixing backtracking
|
2025-09-29 21:29:03 +01:00 |
|
|
|
64c16a7c25
|
fix bug with shadowing 'finishIdx' value, when we still wanted access to both the previous and the new 'finishIdx'
|
2025-09-29 21:21:06 +01:00 |
|
|
|
df78e20cb7
|
fix bug in 'Nfa.getMatches' loop function: when we find that this state is valid, continue loop from 'finishIdx + 1'.
|
2025-09-29 21:07:02 +01:00 |
|
|
|
13ccdbb202
|
return PersistentVector.t when building search-list/executing nfa, because we don't want to use a simple flat vector for the search list now
|
2025-09-29 14:02:07 +01:00 |
|
|
|
6d2b43606f
|
when parsing a string into an NFA, return an option type if the syntax is invalid
|
2025-09-29 13:34:55 +01:00 |
|
|
|
7dc94632d6
|
fix backtracking bug in 'Nfa.getMatchesInRange' (we were passing the wrong value instead of 'strIdx' in the recursive call to the loop function)
|
2025-09-29 13:13:14 +01:00 |
|
|
|
b6720ed5f1
|
first pass of 'get matches in range from nfa' functionality
|
2025-09-29 12:18:45 +01:00 |
|
|
|
8d29bfab78
|
adjust nfa to return all matches in string, instead of just testing for one match and then returning true
|
2025-09-29 10:28:03 +01:00 |
|
|
|
f52a8306ea
|
add comments to ongiong NFA implementation
|
2025-09-29 08:33:10 +01:00 |
|
|
|
6b7485f753
|
change NFA interpreter slightly so that, if we see that a match is invalid at some place, we check in the next place to see if it is valid later in the string
|
2025-09-29 02:00:04 +01:00 |
|
|
|
f8b707de20
|
interpret concatenation and alternation in nfa
|
2025-09-29 01:45:28 +01:00 |
|
|
|
e01712a065
|
progress interpreting alternation in nfa
|
2025-09-29 01:06:15 +01:00 |
|
|
|
d9720c5643
|
begin adding interpretation for NFA
|
2025-09-29 00:46:05 +01:00 |
|
|
|
d75b1a18ff
|
flatten repeated concatenations and alternations into a single list when possible
|
2025-09-28 22:23:48 +01:00 |
|
|
|
032ca56bbf
|
add initial implementation of compiling a regex string to an NFA
|
2025-09-28 22:01:44 +01:00 |
|
