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107 commits

Author SHA1 Message Date
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
Max Brunsfeld
b0671aea6a Reorder some code in ts_query_cursor__advance 2020-05-08 12:13:21 -07:00
Max Brunsfeld
b47c170c75 Query: fix bugs and add tests for top-level and nested repetitions 2020-05-08 12:10:01 -07:00
Max Brunsfeld
3ad71625dd Fix query bugs, expand and clean up query tests 2020-05-07 14:22:15 -07:00