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286 Commits

Author SHA1 Message Date
Matt Brown
817db55140 Fix typo 2020-11-30 01:29:40 -05:00
Matt Brown
cf6dedc11d Break up AssertionFinder methods 
Ref #4714
 2020-11-30 01:20:28 -05:00
Matt Brown
f3e0201a99 Treat $a ?? $b identically to isset($a) ? $a : $b 2020-11-25 14:34:05 -05:00
Matt Brown
d40d63f180 Fix #4699 - treat isset like !== null when variable is defined 2020-11-25 14:04:55 -05:00
Matt Brown
e9c00b8395 Switch order to satisfy new refinement 2020-11-24 14:57:34 -05:00
Matt Brown
1cead18760 Fix #4637 - prevent regression when negating function call with === false 2020-11-20 09:56:53 -05:00
Matt Brown
70c9fd97c7 Return empty instead of throwing 2020-11-19 16:25:53 -05:00
Matt Brown
ead63894a1 Fix formatting 2020-11-19 16:09:30 -05:00
Matt Brown
b5d4b59c33 Be more refined 2020-11-19 15:57:05 -05:00
Matt Brown
de49892525 Fix #4626 - array_key_exists should infer type for first arg where possible 2020-11-19 15:40:27 -05:00
Matt Brown
ff3fff56d4 Simplify assertion negations, centralising as much as possible 
Now the flag passed to scrapeAssertions just determines the errors emitted
 2020-11-19 14:32:49 -05:00
Matt Brown
7803cc228b Revert "Fix #4624 - allow in_array to work with list arrays" 
This reverts commit 08ae85a735.
 2020-11-19 12:49:26 -05:00
Matt Brown
08ae85a735 Fix #4624 - allow in_array to work with list arrays 2020-11-19 09:26:41 -05:00
Matt Brown
a82a9558d2 Experiment with refactor 2020-11-10 12:50:17 -05:00
Matt Brown
b35db3e523 Reorganise things a little 2020-11-03 16:15:54 -05:00
Matt Brown
6922caf9f6 Fix #4466 use better differentiation for class_exists second param 2020-11-01 13:14:17 -05:00
Matt Brown
18f3a3721f Fix #4414 - allow multiple @psalm-assert-if-true on same var 2020-10-25 10:49:39 -04:00
Matt Brown
94e26b2257 Empty checks variables are really falsy checks 2020-10-24 12:46:27 -04:00
orklah
ffe7874906
Misc improvements (#4314) 
* extract the operation out of the loop when possible

* remove unnecessary interfaces when already inherited in parent

* simplify expressions

* avoid using alias functions

* redundant phpdoc

* unused imports
 2020-10-15 13:23:35 -04:00
Matt Brown
864a7bbb4c Add better support for get_debug_type 2020-10-14 17:30:08 -04:00
Matt Brown
5bcd1bbb75 4.x - add support for get_debug_type function 
Ref #4089
 2020-10-02 19:15:47 -04:00
orklah
37a2f8a33d
unused use statements (#4228) 2020-09-22 01:10:46 -04:00
orklah
1a1b88bb5e
add visibilities to constants (#4219) 2020-09-20 12:54:46 -04:00
orklah
a9a364e363
Misc improvements (#4216) 
* misc changes

* fix CI
 2020-09-20 08:55:28 -04:00
Brown
0ae436d335 Fix a couple of false-positive redundant conditions 2020-09-19 18:12:14 -04:00
orklah
191495328a
Fix errors in return types (#4189) 
* FunctionLikeAnalyzer::verifyReturnType returns void

* ArrayFunctionArgumentsAnalyzer::checkArgumentsMatch returns void

* AssertionFinder::scrapeAssertions can't return null
 2020-09-16 17:35:55 -04:00
Brown
56bae3b587 Add check for strpos dictionaries 
Ref #4070
 2020-09-13 21:42:44 -04:00
ygottschalk
5b0c9b1a28
added array-size max constraint to greater check (#4175) 
added a few unit tests
 2020-09-12 16:13:13 -04:00
Brown
09d22cb05c Fix #4169 - add appropriate bounds check 2020-09-12 11:33:26 -04:00
orklah
ead107fa9e
More return types (#4173) 
* add native return types

* redundant phpdoc
 2020-09-12 11:24:05 -04:00
Brown
eda426a594 Improve unique issue solution 2020-09-10 22:54:30 -04:00
orklah
8c7423505a
add native param types (#4137) 
* add native param types

* redundant phpdoc

* add more param types and adds "?" to nullable types

* remove redundant phpdoc

* add more param types and remove redundant phpdoc

* add more param types and remove redundant phpdoc
 2020-09-06 19:36:47 -04:00
orklah
f66d57f19d
add native return types (#4116) 
* add native return types

* remove redundant phpdoc
 2020-09-04 16:26:33 -04:00
Brown
92239add4d Add some backwards-incompatible changes for 4.x 2020-08-30 11:44:14 -04:00
Brown
c13b0efd49 Improve understanding of negated count queries 2020-08-30 11:32:01 -04:00
Brown
5f5ce6eb32 Fix typo 2020-08-26 18:16:12 -04:00
Brown
e64d45b644 Fix #4061 - allow indirect null comparison check 2020-08-26 17:58:01 -04:00
Brown
42c3a703b5 Fix #3741 - detect scalar class constants in if-true assertions 2020-08-12 17:03:41 -04:00
Brown
a8c0d81dc1 Prevent bool > 1 in strict mode 2020-07-30 11:25:47 -04:00
Brown
6949a34ded Put RedundantIdentityWithTrue behind a flag cc @greg0ire 2020-07-30 10:25:59 -04:00
Brown
d9d5fdd6c9 Add more rules around positive ints 2020-07-26 18:29:17 -04:00
Grégoire Paris
2f673fbbd7
Detect redundant identity with true (#3893) 
Using === true on a known boolean results in the same boolean.
 2020-07-25 17:27:45 -04:00
Brown
76bd5b6278 Refactor type comparison 2020-07-21 19:40:35 -04:00
Brown
ae89a71c84 Prevent false-positive comparing template to true 2020-07-21 12:59:50 -04:00
Brown
f0a5463834 Catch string subtypes that cannot be identical 2020-07-14 10:08:31 -04:00
Brown
2399643472 Fix #3811 - allow more complex negations inside boolean expressions 2020-07-13 21:31:58 -04:00
Brown
8d022307d2 Fix #3797 - prevent many chained assignments crashing Psalm 2020-07-10 16:49:45 -04:00
Brown
6419788a49 Remove false from template param as necessary 
Fixes #3737
 2020-07-03 01:07:50 -04:00
Brown
7a7cd91c24 Fix #3631 - better treatment for assignments in complex conditionals 2020-06-24 13:16:52 -04:00
Brown
4d6fc4d0ca Fix get_class($foo) === static::class checks 2020-06-23 13:11:19 -04:00
Brown
1f86afece7 Revert "Fix #3631 - apply assertions to RHS of equality in conditional" 
This reverts commit 9c17795545.
 2020-06-22 20:01:27 -04:00
Brown
9c17795545 Fix #3631 - apply assertions to RHS of equality in conditional 2020-06-22 15:16:16 -04:00
Brown
137647a1a0 Fix #3603 - better typed value comparisons for loose equality 2020-06-18 09:31:38 -04:00
Brown
45ea5d0bfe Add a couple more shortcuts for common pattern 
Fixes #3563
 2020-06-12 11:18:34 -04:00
Brown
9b413cfccc Improved understanding of array_key_exists 
Fixes #3463
 2020-05-27 09:03:36 -04:00
Brown
5ee1487a01 Make ExpressionAnalyzer more beautiful 2020-05-18 15:13:27 -04:00
Brown
21798efed2 Fix #3388 - eliminate null after < 0 check 2020-05-18 08:52:44 -04:00
Matthew Brown
4dd0a2b775 Fix #3380 - allow comparisons between template param and empty array 2020-05-16 16:41:07 -04:00
Nobu Funaki
abef8008bc
Fix InvalidCast after is_callable([$val, '__toString']) check (#3372) 
Support is_callable() with an array argument similar to method_exists()
 2020-05-16 08:50:43 -04:00
Brown
8ab5a0f504 Probably safe to un-negate a class string assertion without autoloader 2020-04-30 12:48:21 -04:00
Brown
bb46c30e38 Fix #3191 - don’t generate complex assertion from class-string 2020-04-19 12:53:50 -04:00
Brown
672baea6fc Fix #3116 - allow class to be compared to a templated class-string 2020-04-10 00:26:11 -04:00
Brown
971ae50bea Do prep work for #3024 - improve handling of absent class references 2020-03-26 12:35:27 -04:00
Brown
467da32f84 Fix instanceof static and isa (static::class) handling 2020-03-24 18:58:15 -04:00
Matthew Brown
bfb919d26a Break out methods into their own classes 2020-03-11 23:04:52 -04:00
Matthew Brown
952045e2ba Fix return type checks 2020-02-22 11:28:24 -05:00
Matthew Brown
1a3129b0e0 Fix test condition 2020-02-22 10:53:30 -05:00
Matthew Brown
1c218c020e Fix #1684 - detect error in assertion on return type of direct call 2020-02-22 10:41:57 -05:00
Matthew Brown
653353709a Use MethodIdentifier object instead of string 2020-02-14 20:54:26 -05:00
Brown
f141f7c526 Improve --diff checks by including trait-using classes in dependents 2020-02-11 16:39:33 -05:00
Matthew Brown
43c7b00cd0 Fix #2734 - allow is_a to operate on templated class-strings 2020-02-02 12:26:28 -05:00
Matthew Brown
b582c49f51 Fix #2645 - add workarounds for some edgecases 2020-01-17 10:25:05 -05:00
Matthew Brown
42073a800a Remove unevaluated code 2020-01-14 00:55:56 -05:00
Matthew Brown
e1daf26202 Improve support for null coalesce checks 2020-01-14 00:53:38 -05:00
Brown
2c7197ab4b Fix #2578 - improve inference of functions beginning with assert 2020-01-09 15:45:17 -05:00
Brown
8e786a17dd Deal with a reconciled var more accurately 
Ref #2426
 2020-01-06 11:09:07 -05:00
Matthew Brown
9fa2db1b6c Move Union::getTypes to Union::getAtomicTypes 2020-01-04 12:20:26 -05:00
Matthew Brown
366e2d30a3 Improve assertions support a bit more 2019-12-30 10:48:50 -05:00
Matthew Brown
19faa31865 Allow assertions on nested properties 2019-12-30 10:01:31 -05:00
Brown
05783eb616 Find issues with impossible property values 2019-12-11 17:08:02 -05:00
Matthew Brown
c9f43782fd Fix mixed method issues after defining new type 2019-12-08 10:17:40 -05:00
Brown
f97a8f0d5b Use more accurate way to determine list size 2019-11-26 16:34:19 -05:00
Brown
0bcb7863f3 Use better system for storing inferred types and assertions 2019-11-25 11:44:54 -05:00
Brown
0b0534d41b Add more list annotations to Psalm’s codebase 2019-10-09 09:17:43 -04:00
Brown
f8f8b633b1 Suppress a bunch of PossiblyUndefinedArrayOffset issues 2019-10-01 15:44:43 -04:00
Brown
f6b0de08f8 Remove unnecessary assertion 2019-09-19 15:41:44 -04:00
Brown
e6f90ab83f Fix #2146 - check count args length 2019-09-19 15:07:49 -04:00
Brown
43041836dd Fix #2026 - add support for calling __toString implicitly after method_exists 2019-08-16 11:33:58 -04:00
Matthew Brown
3f78082720 Fix is_string call 2019-08-10 09:16:32 -04:00
Matthew Brown
460120ec45 Fix #1994 - make assert-if-true work for $this properties 2019-08-10 09:12:02 -04:00
Matthew Brown
5a4a133f50 Fix #1970 - allow comparison to templated param class 2019-07-24 22:13:51 -04:00
Matthew Brown
5c4ac97546 Fix #1915 - allow @psalm-assert-if-true to operate on $this 2019-07-07 15:06:03 -04:00
Matthew Brown
cd33430616 Fix #1885 - allow comparison to templated class string 2019-07-05 22:57:38 -04:00
LeSuisse
f29826b958 Fully qualify constants and function calls (#1849) 
This should give a small performance boost.
Part of #1837.

The change is enforced via phpcs and can be autofixed
with phpcbf.
 2019-06-26 16:52:29 -04:00
Matthew Brown
d845cdf0c5 Fix #1458 by making instanceof static same as === static 2019-06-20 08:37:57 -04:00
Brown
c81a9a8737 Fix #1742 - allow is_countable assertion to mean something 2019-06-07 15:49:10 -04:00
Matthew Brown
4002504ff0 Allow trait_exists to inform type for ReflectionClass 2019-05-31 09:43:46 -04:00
Matthew Brown
4f48c6388d Fix #1700 - interpret false===($a || $b) correctly 2019-05-29 07:47:31 -04:00
Brown
602bae3bb3 Allow class_exists(..., false) to inform class-string type 2019-05-28 13:16:09 -04:00
Matthew Brown
69150d503a Fix #1682 - correct arg check 2019-05-26 16:26:47 -04:00
Matthew Brown
8b9de8bba6 class_esists check with false arg shouldn’t count 
Fixes #1682
 2019-05-26 13:16:44 -04:00
Brown
83fe545c94 Fix docblock 2019-05-22 18:09:36 -04:00
Brown
f728d797cf Fix #1665 - allow -if-true & -if-false assertions on static methods 2019-05-22 17:49:38 -04:00
Matthew Brown
ea930b8875 Fix interface_exists after class_exists check 2019-05-20 20:57:59 -04:00
Matthew Brown
1e853800a3 Fix #1657 - allow interface_exists to generate class-string assertion 2019-05-19 15:56:04 -04:00
Matthew Brown
ae531506de Fix #1591 - allow variable typed to string to be compared to literal in reverse order 2019-05-02 00:50:35 -04:00
Tyson Andre
dbcedd300b Fix error messages for $boolVar !== null 
Seen for this example:

    $b = rand() % 2 > 0;
    if ($b !== null) { ... }
 2019-04-26 00:19:46 -04:00
Brown
b6d0ee0777 Prevent impossible === false comparison 2019-04-12 10:30:56 -04:00
Matthew Brown
39af691d2f Fix #1546 - catch impossible assertions to true 2019-04-12 09:38:56 -04:00
Brown
7f8b47c5cf Fix buggy behaviour around callable tests 2019-04-09 18:09:57 -04:00
Matthew Brown
63a0e768b3 Improve type coverage in both good and bad ways 2019-03-25 22:30:40 -04:00
Brown
ab6ca4dc35 Fix #1491 - allow comparison to typed value 2019-03-21 17:26:10 -04:00
Matthew Brown
01d6caf6a2 Catch negated instanceof bugs 2019-03-16 12:34:48 -04:00
Matthew Brown
4757c2fe8e Fix messaging 2019-03-02 15:19:59 -05:00
Matthew Brown
5e61f198e1 Fix #1419 - allow checks against empty arrays 2019-03-02 15:18:29 -05:00
Matthew Brown
8650f9eb1a Fix #1356 - improve assertion system to work better on function calls 2019-02-26 01:03:33 -05:00
Brown
653555a8cc Remove unused var 2019-02-21 17:49:33 -05:00
Brown
41b133178a Improve handling of count comparisons 2019-02-21 17:17:10 -05:00
Matthew Brown
be06393b9c Fix #1251 - allow instanceof comparisons to class strings 2019-01-27 14:10:33 -05:00
Matthew Brown
3ca5ec9281 Fix templated class conversion allowing child class 2019-01-13 14:40:21 -05:00
Matthew Brown
01e41951e7 Support backslash in is_a/is_subclass_of string name 2019-01-09 08:42:27 -05:00
Matthew Brown
4d6031b39b Fix #1172 - treat is_subclass_of similarly to is_a 2019-01-05 16:58:34 -05:00
Matthew Brown
c7723df8ff Allow gettype vars to be compared to strings 2019-01-05 16:23:18 -05:00
Brown
69d9fd7e28 Fix regression when reasoning about class strings 2019-01-02 11:35:49 -05:00
Matthew Brown
6fbf395f70 Fix #1152 - don’t complain about trait class-string comparisons 2019-01-01 21:00:34 -05:00
Brown
fb848d62e9 Add checks for if (count($a)) and if (count($a) [operator] [number]) 2018-12-19 16:15:19 -05:00
Matthew Brown
ea89a6ba29 Revert "First pass" 
This reverts commit 9ed047234f.
 2018-12-19 08:45:14 -05:00
Matthew Brown
9ed047234f First pass 2018-12-19 01:59:14 -05:00
Matthew Brown
fd0ab47b80 Fix #1118 - detect possible issues with unions of mixed 2018-12-08 13:18:55 -05:00
Matthew Brown
f54a50ec7d Fix #1116 - provide slightly clearer message when comparing a class string to a string 2018-12-05 22:29:06 -05:00
Matthew Brown
b32000fa05 Fix #689 - add checks for @internal annotations 2018-12-01 18:37:49 -05:00
Matthew Brown
47f5f309ad Remove support for get_class($a) === "somestring" 
But it works with class constants
 2018-11-28 23:59:43 -05:00
Brown
425b6321aa Add better understanding of when floats and ints can be equal 2018-11-16 11:04:45 -05:00
Brown
08d9940259 Change ^ to = when annotating assertions 2018-11-16 10:13:52 -05:00
Brown
dc834fdb01 Default allowStringToStandInForClass to true and fix errors found 2018-11-12 12:03:55 -05:00
Matthew Brown
4688b25fd9 Move internal classes to own namespace 2018-11-12 11:20:59 -05:00