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110 commits

Author SHA1 Message Date
Max Brunsfeld
c25fa9910e Fix query match failure when indefinite steps have no captures 
Fixes #937
 2021-02-25 21:41:49 -08:00
Max Brunsfeld
774ae5e3d5 In parse tables, store production ids as 16 bits 
Also remove the use of bitfields from the parse table format.
In all cases, bitfields were not necessary to achieve the
current binary sizes. Avoiding them makes the binaries more
portable.

There was no way to make this change backward-compatible,
so we have finally dropped support for parsers generated
with an earlier version of Tree-sitter.

At some point, when Atom adopts this version of Tree-sitter,
this change will affect Atom users who have installed packages
using third-party Tree-sitter parsers. The packages will need
to be updated to use a regenerated version of the parsers.
 2021-02-25 16:12:31 -08:00
Max Brunsfeld
c2c63baf5b query: Fix escape sequence parsing in anonymous node patterns 
Fixes #776
Fixes #760
 2020-10-28 13:55:13 -07:00
Max Brunsfeld
84433494a5 Fix query analysis error for rules w/ required hidden tokens 
Refs tree-sitter/node-tree-sitter#69
 2020-10-12 09:46:18 -07:00
Max Brunsfeld
857a9ed07b query: Handle captured wildcard nodes at the root of patterns 2020-10-08 12:34:08 -07:00
Max Brunsfeld
d1c95193c1 query: Fix invalid use of slice::from_raw_parts 2020-10-05 12:08:53 -07:00
Max Brunsfeld
297e2bcb28 static query analysis: Fix handling of fields in hidden nodes 2020-09-23 16:55:48 -07:00
Max Brunsfeld
a544200a6c Simplify query code for matching supertypes 2020-09-23 11:55:03 -07:00
Max Brunsfeld
21c3bbc4b4 Account for supertypes during query analysis 2020-09-23 10:55:31 -07:00
Max Brunsfeld
b5a9adb555 Allow queries to match on supertypes 
Co-authored-by: Ayman Nadeem <aymannadeem@github.com>
 2020-09-21 12:34:48 -07:00
Max Brunsfeld
36a8821f3e Fix behavior of the last child operator in tree queries 2020-09-02 12:10:04 -07:00
Max Brunsfeld
18150a1573
Merge pull request #644 from tree-sitter/query-pattern-is-definite 
Analyze queries on construction to identify impossible patterns, and patterns that will definitely match
 2020-09-02 10:28:21 -07:00
Björn Linse
00c470ab2a Fix a few cases of Clang 10 with UBSAN detecting undefined behavior 
Clang 10 considers adding any offset, including 0, to the null pointer
to be undefined behavior. `(void *)NULL + 0 = kaboom`.
 2020-08-25 19:34:44 +02:00
Max Brunsfeld
4aba684d66 Control recursion depth explicitly during query analysis 2020-08-24 16:55:56 -07:00
Max Brunsfeld
315f87bbff Remove unnecessary parameter from sorted array functions 2020-08-24 12:07:57 -07:00
Max Brunsfeld
2eb04094f8 Handle aliased parent nodes in query analysis 2020-08-21 14:12:04 -07:00
Max Brunsfeld
456b1f6771 Fix handling of alternations and optional nodes in query analysis 2020-08-20 16:28:54 -07:00
Max Brunsfeld
9daec9cb22 Tweak impossible pattern error messages 2020-08-20 13:35:11 -07:00
Max Brunsfeld
4301110c12 query: Indicate specific step that's impossible 2020-08-20 13:06:38 -07:00
Max Brunsfeld
d47346abc0 Avoid pushing duplicate start states in query analysis 2020-08-20 10:07:22 -07:00
Max Brunsfeld
aac75e35b1 Optimize iteration over state successors during query analysis 2020-08-19 14:56:57 -07:00
Max Brunsfeld
bd42729a41 query: Avoid early-returning captures due to predicates 2020-08-18 13:01:45 -07:00
Max Brunsfeld
604f9e8148 query: Assign is_definite correctly for steps within nested sub-patterns 2020-08-18 10:55:03 -07:00
Max Brunsfeld
91fc9f5399 Use is_definite flag in ts_query_cursor_next_capture 2020-08-17 16:50:59 -07:00
Max Brunsfeld
c3f9b2b377 Fix query analysis bugs found in ruby tags query 2020-08-17 09:57:06 -07:00
Max Brunsfeld
1ea29053e1 Merge branch 'master' into query-pattern-is-definite 2020-08-14 09:31:55 -07:00
Max Brunsfeld
af655547e5 Fix handling of queries with many patterns with leading repetitions 2020-07-31 12:47:58 -07:00
Max Brunsfeld
411f69d13b query: Optimize 'longest-match' filtering 2020-07-30 13:34:34 -07:00
Max Brunsfeld
df5510acfc query: Remove limit on number of in-progress states 2020-07-30 12:59:34 -07:00
Max Brunsfeld
de2b71d465 Fix query bug when max permutations are exceeded 2020-07-23 16:05:50 -07:00
Tuấn-Anh Nguyễn
740d864e67 Add '.' as a valid start of a predicate, in addition to '#' 
See https://github.com/ubolonton/emacs-tree-sitter/issues/38
 2020-07-19 15:46:39 +07:00
Max Brunsfeld
4535efce69 query: Prevent dropping of matches when exceeding range maximum 
Fixes #685
 2020-07-17 09:39:06 -07:00
Max Brunsfeld
cc37da7457 Query analysis: fix propagation of uncertainty from later siblings 2020-06-26 16:46:12 -07:00
Max Brunsfeld
645aacb1e7 Optimize query analysis using binary search 2020-06-26 15:40:34 -07:00
Max Brunsfeld
997ef45992 Handle parent nodes with simple aliases in query analysis 2020-06-26 15:05:10 -07:00
Max Brunsfeld
19baa5fd5e Clean up and document query analysis code 2020-06-25 17:56:43 -07:00
Max Brunsfeld
891de051e2 Fix population of subgraph nodes when analyzing queries 2020-06-25 15:06:27 -07:00
Max Brunsfeld
9fb39b8954 Start work on handling alternatives when analyzing queries 2020-06-25 15:06:27 -07:00
Max Brunsfeld
e3cf5df039 Use actual step indices when walking subgraphs 2020-06-25 15:06:27 -07:00
Max Brunsfeld
7f955419a8 Start work on recognizing impossible patterns 2020-06-25 15:06:27 -07:00
Max Brunsfeld
4c2f36a07b Mark steps as definite on query construction 
* Add a ts_query_pattern_is_definite API, just for debugging this
* Store state_count on TSLanguage structs, to allow for scanning parse tables
 2020-06-25 15:06:27 -07:00
Max Brunsfeld
deeeb67a3b
query: Fix handling of alternations under field names (#661) 2020-06-24 14:20:56 -07:00
Thomas Vigouroux
81d533d2d1
Fix compilation warnings (#635) 
* lib: fix compilation warnings

* ci: add CFLAGS
 2020-06-03 12:19:57 -07:00
Max Brunsfeld
47d607da8d
Add alternative syntax in queries (#630) 
* Add alternative syntax in queries

* Add tests and tweak error handling for alternatives in queries
 2020-06-01 13:23:07 -07:00
Max Brunsfeld
462c86903f
Improve tree queries' ability to handle large numbers of nested matches (#624) 
* query: Acquire capture lists lazily, allow more concurrent states

* Fix some static analysis warnings
 2020-05-18 13:40:24 -07:00
Max Brunsfeld
fce5c50f81 Fix wasm query tests 2020-05-11 16:19:42 -07:00
Max Brunsfeld
68f43b5865 Make query syntax backward-compatible 2020-05-11 13:23:44 -07:00
Max Brunsfeld
85c998d572 Change the wildcard syntax in tree queries 
1. Use '_' instead of '*'.
2. Add '*' as a postfix operator for zero-or-more repetitions

Signed-off-by: Patrick Thomson <patrickt@github.com>
 2020-05-11 13:04:04 -07:00
Max Brunsfeld
40262483a9 Change query syntax for predicates 
Signed-off-by: Patrick Thomson <patrickt@github.com>
 2020-05-11 12:35:51 -07:00
Max Brunsfeld
9c0535cea6 Fix logic for aborting failed matches 2020-05-08 14:15:25 -07:00