Maxime Coste
578640c8a4
Regex: Fix handling of control escapes inside character classes
2017-11-01 14:05:14 +08:00
Maxime Coste
f3736a4b48
Regex: tag instructions as scheduled as well instead of searching
...
And a few more code cleanup in the ThreadedRegexVM
2017-11-01 14:05:14 +08:00
Maxime Coste
6bc5823745
Regex: refactor ThreadedRegexVM::exec_from code
2017-11-01 14:05:14 +08:00
Maxime Coste
4ff655cc09
Regex: store the processed flag directly in CompiledRegex instructions
2017-11-01 14:05:14 +08:00
Maxime Coste
732b8bc2a4
Regex: abandon bytecode and just use a simple list of instructions
...
Makes the code simpler.
2017-11-01 14:05:14 +08:00
Maxime Coste
6434bca325
Regex: Add some comments, remove supurious semicolons
2017-11-01 14:05:14 +08:00
Maxime Coste
911a893225
Regex: fix get_base(std::reverse_iterator<...>) returning a ref to temporary
2017-11-01 14:05:14 +08:00
Maxime Coste
11abd544c6
Regex: avoid infinite loops
2017-11-01 14:05:14 +08:00
Maxime Coste
c47cdc06a7
Regex: Add support for backward matching
...
Regex can be compiled for backward matching instead of forward matching
and the ThreadedRegexVM is able to iterate in reverse on the subject
string to find the last match instead of the first.
2017-11-01 14:05:14 +08:00
Maxime Coste
071b897e00
Regex: Remove static RegexCompiler::compile
2017-11-01 14:05:14 +08:00
Maxime Coste
52ee62172a
Regex: remove use of buffer_utils.hh from regex_impl.cc
2017-11-01 14:05:14 +08:00
Maxime Coste
c375268c2d
Regex: Use memcpy to write/read offsets from bytecode
...
reinterpret_cast was undefined behaviour as we do not guarantee
that offsets are going to be stored properly aligned.
2017-11-01 14:05:14 +08:00
Maxime Coste
b53227d62c
Regex: slight cleanup of the unit tests
2017-11-01 14:05:14 +08:00
Maxime Coste
337e58d4f9
Regex: Cleanup character class parsing a bit
2017-11-01 14:05:14 +08:00
Maxime Coste
236751cb84
Regex: Make ThreadedRegexVM a proper class, define a proper interface
2017-11-01 14:05:14 +08:00
Maxime Coste
3b69dda04e
Regex: Find potential start position using a map of valid start chars
...
With this optimization we get close to performance parity with boost
regex on the common use cases in Kakoune.
2017-11-01 14:05:14 +08:00
Maxime Coste
741772aef9
Regex: Optimize single char character classes as literals
2017-11-01 14:05:14 +08:00
Maxime Coste
fabeab1ee1
Regex: reorder lookaround ops, group by direction
2017-11-01 14:05:14 +08:00
Maxime Coste
854144c535
Regex: Fix handling of Save instruction in ThreadedRegexVM
...
When not saving, we were not fully reading the instruction stream,
leading to an out of sync instruction pointer.
2017-11-01 14:05:14 +08:00
Maxime Coste
f1b4931824
Regex: Fix handling of non capturing groups (?:...)
...
We were wrongly keeping the `:` as a literal content of the group
2017-11-01 14:05:14 +08:00
Maxime Coste
5f6e71c4dc
Regex: More code tweaks and cleanups in ThreadedRegexVM
2017-11-01 14:05:14 +08:00
Maxime Coste
5f54e0de0e
Regex: Code cleanup and refactor for Saves handling
2017-11-01 14:05:14 +08:00
Maxime Coste
dbb175841b
Regex: do not write the search prefix inside the program bytecode
...
Its faster to have specialized code in the VM directly
2017-11-01 14:05:14 +08:00
Maxime Coste
cf5055f68b
Regex: small code tweak
2017-11-01 14:05:14 +08:00
Maxime Coste
e0fac20f6c
Regex: Use a custom allocated buffer for Saves instead of a Vector
2017-11-01 14:05:14 +08:00
Maxime Coste
1399563e40
Regex: make m_current_threads and m_next_threads local variable of exec
2017-11-01 14:05:14 +08:00
Maxime Coste
54da8098ae
Regex: Add a NoSaves RegexExecFlags to disable saving positions
2017-11-01 14:05:14 +08:00
Maxime Coste
119bc38254
Regex: small refactor of ThreadedRegexVM::clone_saves
2017-11-01 14:05:14 +08:00
Maxime Coste
9fbafba4cb
Regex: Refactor thread handling in ThreadedRegexVM
2017-11-01 14:05:14 +08:00
Maxime Coste
589cde67f0
Regex: store saves in a copy on write structure
2017-11-01 14:05:14 +08:00
Maxime Coste
11b9c996ea
Regex: small code style tweak
2017-11-01 14:05:14 +08:00
Maxime Coste
51ad8b4c85
Regex: fix handling of negative escaped character classes
2017-11-01 14:05:14 +08:00
Maxime Coste
adcd02b7d2
Regex: Replace boost regex_iterator impl with our own
...
Ensure we check the results from our own regex impl in all uses of
regexs in Kakoune.
2017-11-01 14:05:14 +08:00
Maxime Coste
f007794d9c
Regex: introduce RegexExecFlags to control various behaviours
2017-11-01 14:05:14 +08:00
Maxime Coste
73b14b11be
Regex: small code tweak in ThreadedRegexVM
2017-11-01 14:05:14 +08:00
Maxime Coste
630d078b6d
Regex: Fix use of not-yet-constructed CompiledRegex in TestVM impl
2017-11-01 14:05:14 +08:00
Maxime Coste
5b0c2cbdc2
Regex: Ensure we dont have a thread explosion in ThreadedRegexVM
...
Always remove threads with lower priority that end up on the same
instruction as a higher priority thread (as we know they will behave
the same from now on)
2017-11-01 14:05:14 +08:00
Maxime Coste
b4f923b7fc
Regex: min/max quantifiers can be non greedy as well
2017-11-01 14:05:14 +08:00
Maxime Coste
f02b2645da
Regex: validate that our custom impl gets the same results as boost regex
...
In addition to running boost regex, run our custom regex and compare
the results to ensure the two regex engine agree.
2017-11-01 14:05:14 +08:00
Maxime Coste
76dcfd5c52
Regex: support escaping characters in character classes
2017-11-01 14:05:14 +08:00
Maxime Coste
3d2262bebf
Regex: add support for case insensitive matching, controlled by (?i)
2017-11-01 14:05:14 +08:00
Maxime Coste
7673781751
Regex: use \A \z for subject start/end
...
This is the most common syntax in various regex variants.
2017-11-01 14:05:14 +08:00
Maxime Coste
0bdfdac5c5
Regex: Implement lookarounds for fixed literal strings
...
We do not support anything else than a plain literal string for
lookarounds.
2017-11-01 14:05:14 +08:00
Maxime Coste
e96cd29f0e
Regex: Support non greedy quantifiers
2017-11-01 14:05:14 +08:00
Maxime Coste
e4004a7b7f
Regex: Add support for \h and \H "horizontal blank" character classes
2017-11-01 14:05:14 +08:00
Maxime Coste
4ac0d35d1e
Regex: Add support for \K
that reset the start capture
2017-11-01 14:05:14 +08:00
Maxime Coste
2f450e0080
Regex: Add support for \Q...\E quoted parts
2017-11-01 14:05:14 +08:00
Maxime Coste
7a313ddafe
Regex: small error message improvement
2017-11-01 14:05:14 +08:00
Maxime Coste
c282b699d7
Regex: fix support for -
at end of a character class
2017-11-01 14:05:14 +08:00
Maxime Coste
e41d228af8
Regex: Disable dumping regex instructions by default in unit tests
2017-11-01 14:05:14 +08:00