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451 Commits

Author SHA1 Message Date
Victor Petukhov 901b794af3 Use lexical scope from trace during checking suspend context if the analysis of engaged parent function isn't completed 
^KT-39461 Fixed
 2020-06-16 22:00:04 +03:00
Dmitriy Novozhilov d7ee168dff [FIR] Create error candidate for completion instead of simple error reference 2020-06-15 15:32:25 +03:00
Denis Zharkov 38922a84f1 FIR: Do not create synthetic properties for non-Java accessors 
^KT-35495 Fixed
 2020-06-11 11:01:43 +03:00
Victor Petukhov 8d05253369 NI: take into account effective variance during adding constraints from LHS instead of only use site variance 
^KT-39220 Fixed
 2020-06-01 17:24:49 +03:00
Victor Petukhov d7f52e8b67 NI: do explicit incorporation of type of fixing type variable into other constraints 
^KT-37380 Fixed
 2020-05-27 15:44:03 +03:00
Victor Petukhov e70242f6f1 NI: some review fixes for improved postponed arguments analysis 2020-05-25 19:37:30 +03:00
Victor Petukhov 756326cefe NI: report error diagnostic about impossible to infer anonymous function's parameter 
Partially fixed KT-39098
 2020-05-25 19:37:27 +03:00
Victor Petukhov 379c6944a2 NI: extract diagnostics from partially resolved call instead of separately handling it including running all checks 
^KT-37630 Fixed
^KT-35494 Fixed
 2020-05-22 22:13:53 +03:00
Victor Petukhov 12db3d6e83 NI: remove separation of variable fixation order by constraint kind 
The commit partially reverts ec4d9d2f1f

^KT-37914 Fixed
 2020-05-20 22:37:30 +03:00
Victor Petukhov eff5f3a242 NI: do type checking for anonymous functions not inside a call 
^KT-38890 Fixed
^KT-38439 Fixed
 2020-05-19 16:29:14 +03:00
Mikhail Glukhikh 457fb09e3a [FIR] Use tower to resolve delegated constructors, set dispatch receiver 2020-05-12 16:57:07 +03:00
Pavel Kirpichenkov 003ba1c8f5 [NI] CST: add preemptive recursion detection 
For single super type constructor create star projection argument when types for that argument are equal to the original types.
Captured star projections are replaced with their corresponding supertypes during this check.
Skip check for `in` parameters, for which recursive cst calculation does not happen.
Adjust constant in fallback recursion condition.

^KT-38544 Fixed
 2020-05-12 11:13:43 +03:00
Victor Petukhov b49dc46e6c NI: improve reporting errors about mismatch number of anonymous function parameters 2020-05-09 12:34:08 +03:00
Victor Petukhov 585e98a835 NI: support inferring lambda receiver type by explicit receiver of anonymous function (which is another postponed argument) 2020-05-09 12:34:06 +03:00
Ilya Chernikov 7e3dfb245b Avoid skipping lambda argument processing in case of explicit type param 
#KT-38691 fixed
 2020-05-07 18:39:57 +02:00
Victor Petukhov 260683c20e NI: Improve postponed arguments analysis 
Introduce seven stages:
1) Analyze postponed arguments with fixed parameter types
2) Collect parameter types from constraints and lambda parameters' declaration
3) Fix not postponed variables for parameter types of all postponed arguments
4) Create atoms with revised expected types if needed
5) Analyze the first ready postponed argument and rerun stages if it has been analyzed
6) Force fixation remaining type variables: fix if possible or report not enough information
7) Force analysis remaining not analyzed postponed arguments and rerun stages if there are

^KT-37952 Fixed
^KT-32156 Fixed
^KT-37249 Fixed
^KT-37341 Fixed
 2020-05-07 11:42:00 +03:00
Mikhail Zarechenskiy befa1e114c Add tests for obsolete issues 
#KT-38092 Obsolete
 #KT-38179 Obsolete
 #KT-35105 Obsolete
 #KT-36696 Obsolete
 #KT-36947 Obsolete
 #KT-37337 Obsolete
 #KT-37309 Obsolete
 #KT-37727 Obsolete
 #KT-37735 Obsolete
 #KT-37853 Obsolete
 #KT-37920 Obsolete
 #KT-37709 Obsolete
 #KT-37706 Obsolete
 2020-04-20 04:10:37 +03:00
simon.ogorodnik 132c8ee210 [FIR] Apply GOOD testData changes after type parameters support 2020-04-13 20:26:18 +03:00
Ilya Chernikov acc5633811 [NI] Fix inference of lambda with receiver when wrapped... 
in when/if or another lambda.
#KT-37419 fixed
 2020-04-13 14:50:49 +02:00
simon.ogorodnik f573719cc1 [FIR] Fix missing receiver type if anonymous function without label 2020-04-08 14:56:17 +03:00
Victor Petukhov 164f25937f NI: take into account an extension function annotation during CST calculation 2020-04-02 15:28:35 +03:00
Victor Petukhov f8d72f5dd9 NI: improve lambdas completion – look at all postponed arguments during resolution lambdas by additional conditions 
^KT-36819 Fixed
^KT-36069 Fixed
 2020-04-02 15:28:11 +03:00
Denis Zharkov 9abe669443 FIR: Fix resolution for invokes on class qualifiers 2020-04-02 12:10:50 +03:00
Pavel Kirpichenkov e39b69839b [NI] Make constraint check for type variables with complex dependency 
Additional check for trivial constraints is needed to make lambda
analysis before outer variable fixation to Nothing(?)

^KT-37627 Fixed
 2020-03-26 17:06:37 +03:00
Pavel Kirpichenkov adf3351a8b [NI] Don't skip constraints with projections during variable fixation 
Those constraints are only restored for variable fixation stage because of the
influence on pefrormance.

^KT-37650 Fixed
^KT-37380 Fixed
 2020-03-24 16:13:49 +03:00
Pavel Kirpichenkov dc18c62dbc [NI] Filter out type variable from its dependencies 
Don't take into account complex variable dependency on itself when determining fixation status.
^KT-37621 Fixed
 2020-03-24 12:49:18 +03:00
Mikhail Zarechenskiy ec4d9d2f1f [NI] Prefer between two complex variables one with proper lower bounds 
This reverts commit d4d35bb766.
 2020-03-24 11:13:55 +03:00
Mikhail Zarechenskiy 191fb02bf6 [NI] Consider intersection type with number type as Nothing 
Currently, only for "in": In<in Int & A> == In<in Nothing> == In<*>

 #KT-37302 Fixed
 2020-03-23 16:39:21 +03:00
Mikhail Zarechenskiy d4d35bb766 Revert "[NI] Prefer between two complex variables one with proper lower bounds" 
This reverts commit ced8a92629.
 2020-03-22 17:16:22 +03:00
Dmitriy Novozhilov 5f9f01fe4e [FIR] Implement new completion mode calculator 
Note that `testDelegates` now fails due to KT-37638 and
    `testSimpleIn` fails due to problems with type parameters
    of inner classes
 2020-03-20 23:11:28 +03:00
Mikhail Zarechenskiy ced8a92629 [NI] Prefer between two complex variables one with proper lower bounds 
#KT-37554 Fixed
 2020-03-20 15:44:53 +03:00
Victor Petukhov ea59ea8aa2 NI: avoid creating useless captured types during incorporation 
^KT-37546 Fixed
 2020-03-19 12:47:03 +03:00
Dmitriy Novozhilov 820da6edaa [FIR] Don't set up expected type for function body 2020-03-16 17:04:28 +03:00
Victor Petukhov b1c4b5f51b NI: Analyze lambdas which are return arguments of another lambda 
^KT-36044 Fixed
 2020-03-12 23:29:09 +03:00
Ilya Chernikov 70c89a28e1 Stop subtyping constraint search if equality constraints for... 
all not fixed type vars are found
#KT-35626 fixed
 2020-03-12 08:02:45 +01:00
Pavel Kirpichenkov 88ae9bc7d5 minor: rename test 2020-03-11 13:55:24 +03:00
Victor Petukhov 125b39d9be NI: Temporary apply test data until fix KT-37380 2020-03-10 13:25:11 +03:00
Victor Petukhov 92a0ddfe71 NI: discard def not null types if they appear in return positions, in inv or in variance 
^KT-37343 Fixed
 2020-03-08 19:00:27 +03:00
Dmitriy Novozhilov 1c0fd7342f [FIR] Support completion of lambdas with type variable as expected type 
#KT-37310 Fixed
#KT-37304 Fixed
 2020-03-06 18:10:52 +03:00
Pavel Kirpichenkov ac5c255c20 [NI-TESTS] Add regression tests 
^KT-33638 Obsolete

Add test for case mentioned in KT-33629.
Used to be runtime failure instead of error diagnostic.
 2020-03-05 20:20:47 +03:00
Pavel Kirpichenkov dc42b20ae3 [NI] Use alternative to intersection type in public declarations 
The new inference uses inferred intersection types normally, unlike the old inference.
However, intersection types in public declarations are approximated to supertype, which
potentially may give a less presice type, then it would be with the OI.
For non-related T1, T2 the NI approximates {T1 & T2} to Any in public declarations,
and if the OI was inferring T1 instead of the intersection type, it may lead to
less precise declaration type and related errors.

The solution is to remember an alternative for an intersection type when present.
Before approximation the alternative replaces the intersection type.

^KT-36249 Fixed
 2020-03-05 20:20:47 +03:00
Dmitriy Novozhilov 5f9876479e [FIR] Add saving of local context in anonymous functions for further resolve 
#KT-37066 Fixed
 2020-03-05 16:48:47 +03:00
Mikhail Glukhikh 8884cbe415 Introduce FIR_IDENTICAL for FIR vs old frontend tests #KT-36879 Fixed 2020-03-05 09:39:40 +03:00
Victor Petukhov d6ccdb3caa NI: fix extensionLambdasAndArrow test 2020-03-03 13:55:15 +03:00
Pavel Kirpichenkov ad988dbf43 minor: update test data 2020-03-03 12:57:41 +03:00
Pavel Kirpichenkov 23ed6c4a1f [NI] Narrow nullability constraint check in incorporator 
This commit is a hotfix rather then proper solution.
The source of the issue is that currently type variable fixation result
may change due to fixation order alteration for variables with the same priority.
For instance, having variables V1, V2, and proper types Type1, Type2, such that:
V1 <: Type1
V1 <: V2
Type2 <: V2
both variables will be fixed either to Type1, if V1 will be fixed first,
or to Type2 otherwise.

Since this limitation cannot be easily overcome, the taken approach is to remove
incedental constraint added after 2d5a0546 by restricting nullability constraint check
to `Nothing?` constraints only, thus postponing problematic variable fixation.
To clearify, additional constraint is correct and should cause no harm (in ideal world),
but currently its presence changes fixation order.
So without the restriction the previously used constraint from fixed outer variable
is no longer available by the time problematic variable type is being selected.

^KT-37043 Fixed
 2020-03-03 12:57:25 +03:00
Victor Petukhov 51749b9747 NI: don't try to infer visible lambda parameters, if there is single one – extension parameter 
^KT-37038 Fixed
 2020-03-02 20:28:59 +03:00
Dmitriy Novozhilov 102d5c7d5a [NI] Fix detecting expected type variable for postponed atoms 
#KT-36819 Fixed
 2020-02-20 16:56:33 +03:00
Victor Petukhov 748a326104 NI: Discard definitely not-null types inside invariant positions during inference process 
^KT-36816 Fixed
 2020-02-19 15:32:12 +03:00
Pavel Kirpichenkov 6430209074 [NI] Make error CST when any of included types is error 
`ErrorType` is not subtype of `Any`, so any set of types containing an `ErrorType` has no common super constructors.
^KT-36745 Fixed
 2020-02-18 14:46:29 +03:00