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4097 Commits

Author SHA1 Message Date
Maxime Coste
fb5243f710 Regex: print instruction index in dump_regex 2017-11-01 14:05:14 +08:00
Maxime Coste
c8966ca701 Regex: Assert that the regex direction matches the vm direction 2017-11-01 14:05:14 +08:00
Maxime Coste
74ed102cab Regex: Tweak definition of character class and control escape tables 2017-11-01 14:05:14 +08:00
Maxime Coste
df73b71dfc Regex: fix lookarounds handling when computing starting chars 2017-11-01 14:05:14 +08:00
Maxime Coste
1c95074657 Make use of custom regex backward searching support for reverse search 2017-11-01 14:05:14 +08:00
Maxime Coste
785cd34b4b Regex: Make boost checking disableable at compile time 2017-11-01 14:05:14 +08:00
Maxime Coste
065bbc8f59 Regex: switch to custom impl, use boost for checking 2017-11-01 14:05:14 +08:00
Maxime Coste
9305fa1369 Regex: Fix lookaround use in moon.kak 
(?=[A-Z]\w*) is strictly the same as (?=[A-Z]) as \w* will always
at least match an empty string.
 2017-11-01 14:05:14 +08:00
Maxime Coste
cca730193c Regex: Support any char and character classes in lookarounds 
Lookarounds still need to be fixed size, but accept character classes
as well as plain literals.
 2017-11-01 14:05:14 +08:00
Maxime Coste
b8cb65160a Regex: use std::conditional instead of custom template class to choose Utf8It 2017-11-01 14:05:14 +08:00
Maxime Coste
db06acdfab Regex: Fix computation of potential starts for lookaheads 2017-11-01 14:05:14 +08:00
Maxime Coste
34b1f1ccb6 Regex: detect when all characters can start and avoid allocating 2017-11-01 14:05:14 +08:00
Maxime Coste
ea85f79384 Regex: add elided braces to fix compilation on older gcc 2017-11-01 14:05:14 +08:00
Maxime Coste
bf3b50a543 Regex: Fix wrong size of character_class_escapes array 2017-11-01 14:05:14 +08:00
Maxime Coste
08ea68dc1f Regex: Fix handling of match_prev_avail for boost regex 
We were passing around iterators that were not allowed to
go before the begin iterator.
 2017-11-01 14:05:14 +08:00
Maxime Coste
9ec376135b Regex: Introduce RegexExecFlags::PrevAvailable 
Rework assertion code as well.
 2017-11-01 14:05:14 +08:00
Maxime Coste
73e177ec59 Regex: Do not use sized deallocation to support more compilers 2017-11-01 14:05:14 +08:00
Maxime Coste
30dacdade2 Regex: deallocate Saves memory on ThreadedRegexVM destruction 2017-11-01 14:05:14 +08:00
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
Maxime Coste
d5048281a6 Regex: slight cleanup of the unit tests 2017-11-01 14:05:14 +08:00
Maxime Coste
f7468b576e Regex: Refactor regex compilation to a regular RegexCompiler class 2017-11-01 14:05:14 +08:00
Maxime Coste
d5717edc9d Regex: improve regex parse error reporting 
Display the place where parsing failed, refactor code to make
RegexParser a regular object.
 2017-11-01 14:05:14 +08:00
Maxime Coste
080160553c Regex: support escaped character classes 2017-11-01 14:05:14 +08:00
Maxime Coste
1a8ad3759f Regex: fix handling of strict quantifiers {N} 
Previous behaviour was treating {N} as {N,}
 2017-11-01 14:05:14 +08:00
Maxime Coste
be157453ad Regex: Use a std::function based "Matcher" op to implement character classes 
This is more extensible and should allow easier support for non ranges
classes.
 2017-11-01 14:05:14 +08:00
Maxime Coste
eb1015cdfb Regex: whenever Kakoune compiles a regex, pass it to the custom impl as well 
That way we can see which features are missing.
 2017-11-01 14:05:14 +08:00
Maxime Coste
002aba562f Regex: work on unicode codepoints instead of raw bytes 2017-11-01 14:05:14 +08:00
Maxime Coste
75608ea223 Regex: when in full match mode, do not accept trailing data 2017-11-01 14:05:14 +08:00
Maxime Coste
490c130e41 Regex: Implement leftmost matching 
Ensure threads are maintained in "priority" order, by having two
split instruction (prioritizing parent or child).
 2017-11-01 14:05:14 +08:00
Maxime Coste
182b70cb0a Regex: Add initial support for character ranges 2017-11-01 14:05:14 +08:00
Maxime Coste
52678fafa1 Regex: Add support for searching 
Always compile a `.*` as the first instructions in a regex bytecode,
depending on the match or search mode, the RegexVM will either execute
this or skip it and start directly at the matching bytecode.
 2017-11-01 14:05:14 +08:00
Maxime Coste
f7b8c1c79d Regex: cleanup and reorganize regex code and improve capture support 
Introduce the CompiledRegex class, rename ThreadedExecutor to
ThreadedRegexVM, remove the RegexProgram namespace.
 2017-11-01 14:05:14 +08:00
Maxime Coste
023511deff Regex: WIP support for saving captures 2017-11-01 14:05:14 +08:00
Maxime Coste
ad546e516a Regex: Small comment tweaks 2017-11-01 14:05:14 +08:00
Maxime Coste
46a113e10a Regex: Add support for curly braces count expressions 2017-11-01 14:05:14 +08:00
Maxime Coste
d04c60b911 Regex: Add support for subject begin/end assertion (\` and \') 2017-11-01 14:05:14 +08:00
Maxime Coste
9c5d539616 Regex: Add word boundary assertion support 2017-11-01 14:05:14 +08:00
Maxime Coste
a9a04e81b0 Regex: Ensure we only ever have a single thread on a given instruction 2017-11-01 14:05:14 +08:00
Maxime Coste
ee42c6b0ba Regex: add unit test to check the ".*" construct 2017-11-01 14:05:14 +08:00
Maxime Coste
4010c44fc0 Regex: Make the Split op only take a single offset parameter 
Split now creates a new thread and keep the current one running, as
all of its uses are compatible with this behaviour, which enable a
more compact compiled code.
 2017-11-01 14:05:14 +08:00
Maxime Coste
f9dc6774b9 Regex: Introduce RegexProgram::ThreadedExecutor and add line end/begin impl 2017-11-01 14:05:14 +08:00
Maxime Coste
a448e1e222 Regex: Code cleanup in the regex impl 2017-11-01 14:05:14 +08:00
Maxime Coste
8c9976ea72 Regex: Add initial, exploratory work on a custom regex engine 2017-11-01 14:05:14 +08:00
Maxime Coste
797a0cb062 Add another assert to try to catch #1506 2017-11-01 14:04:42 +08:00
Maxime Coste
94a0c9bb45 Highlighters does not need to inherit from HighlighterGroup 
Just compose, to avoid coupling Highlighters with the Highlighter
interface. And yeah, that naming is a bit confusing.
 2017-10-31 13:53:08 +08:00
Maxime Coste
6272847ace Prompt: display the fallback text everytime the prompt is empty 2017-10-31 12:54:21 +11:00
Maxime Coste
6d78b06405 Do not auto apply the fallback regex when in regex prompts 
Fixes #1653
 2017-10-30 18:58:47 +11:00
Maxime Coste
cd215ccee9 Do not allow opening files whose size we cannot express in an int 2017-10-30 18:58:47 +11:00
Maxime Coste
40eb598065 Makefile: Use pkg-config on Linux to get the ncurses compilation flags 
Fixes #1659
 2017-10-30 17:35:51 +11:00
Maxime Coste
43d470f286 Slight cleanup of select_surrounding implementation 2017-10-28 13:43:04 +08:00
Maxime Coste
7064e890f5 Update breaking changes message 2017-10-28 13:43:04 +08:00