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Speed up parsing something like 10 times, Kalypso runs so much faster now

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This commit is contained in:
Nathan Braswell
2016-02-06 23:09:46 -05:00
parent 7a2cef08e8
commit 6aeb5c33f5
4 changed files with 35 additions and 5 deletions
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9
stdlib/regex.krak
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@@ -180,19 +180,20 @@ obj regex (Object, Serializable) {
}
fun long_match(to_match: *char): int { return long_match(string::string(to_match)); }
fun long_match(to_match: string::string): int {
fun long_match(to_match: string::string): int return long_match(to_match.getBackingMemory(), 0, to_match.length())
fun long_match(to_match: *char, position: int, end: int): int {
var next = set::set(begin)
var longest = -1
for (var i = 0; i < to_match.length(); i++;) {
for (var i = 0; i < end-position; i++;) {
if (next.size() == 0)
return longest
if (next.any_true(fun(state: *regexState):bool { return state->is_end(); }))
longest = i
//next = next.flatten_map<*regexState>(fun(state: *regexState): vector::vector<*regexState> { return state->match_char(to_match[i]); })
next = next.flatten_map(fun(state: *regexState): set::set<*regexState> { return state->match_char(to_match[i]); })
next = next.flatten_map(fun(state: *regexState): set::set<*regexState> { return state->match_char(to_match[position+i]); })
}
if (next.any_true(fun(state: *regexState):bool { return state->is_end(); }))
return to_match.length()
return end-position
return longest
}
}