Improve obj field mapping constructor completions

[LakshanWeerasinghe]

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Purpose

$subject

Fixes #37625

Samples

Check List

• [x] Read the Contributing Guide
• [ ] Updated Change Log
• [ ] Checked Tooling Support (#<Issue Number>)
• [x] Added necessary tests
  • [x] Unit Tests
  • [ ] Spec Conformance Tests
  • [ ] Integration Tests
  • [ ] Ballerina By Example Tests
• [x] Increased Test Coverage
• [ ] Added necessary documentation
  • [ ] API documentation
  • [ ] Module documentation in Module.md files
  • [ ] Ballerina By Examples

[codecov[bot]]

Codecov Report

Base: 72.13% // Head: 74.81% // Increases project coverage by +2.67% :tada:

Coverage data is based on head (9111dbc) compared to base (ad9fa98). Patch coverage: 83.33% of modified lines in pull request are covered.

Additional details and impacted files

@@              Coverage Diff               @@
##             2201.2.x   #37742      +/-   ##
==============================================
+ Coverage       72.13%   74.81%   +2.67%     
- Complexity      49085    50751    +1666     
==============================================
  Files            3353     3353              
  Lines          195144   195147       +3     
  Branches        25602    25602              
==============================================
+ Hits           140772   145994    +5222     
+ Misses          46418    40720    -5698     
- Partials         7954     8433     +479     

Impacted Files	Coverage Δ
...ngserver/completions/util/ContextTypeResolver.java	73.69% <75.00%> (+0.06%)	:arrow_up:
...ava/io/ballerina/compiler/api/impl/NodeFinder.java	69.69% <100.00%> (+0.10%)	:arrow_up:
...rina/compiler/internal/parser/BallerinaParser.java	88.42% <0.00%> (+0.05%)	:arrow_up:
...2/ballerinalang/compiler/desugar/QueryDesugar.java	85.59% <0.00%> (+0.10%)	:arrow_up:
...ava/io/ballerina/runtime/internal/TypeChecker.java	77.51% <0.00%> (+0.18%)	:arrow_up:
.../compiler/bir/codegen/interop/JMethodResolver.java	78.80% <0.00%> (+0.24%)	:arrow_up:
.../main/java/io/ballerina/cli/task/RunTestsTask.java	79.94% <0.00%> (+0.58%)	:arrow_up:
.../ballerina/runtime/internal/util/RuntimeUtils.java	45.16% <0.00%> (+1.07%)	:arrow_up:
...allerina/runtime/internal/types/BFunctionType.java	77.01% <0.00%> (+1.14%)	:arrow_up:
...rc/main/java/io/ballerina/cli/cmd/TestCommand.java	51.14% <0.00%> (+1.52%)	:arrow_up:
... and 206 more

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[LakshanWeerasinghe]

Shall we address the following cases as well.

1. Suggest variable names(object field names) in mapping constructor

int moduleVar = 20;

class MyClass {
    int x = 10;
    int y = 20;
    record {int y; int x;} rec = {x, <cursor>};
}

Here we should get a completion item for y(object fields) as we have done other variables.

2. Provide object fields for the value expression

we should include x and y in the completion item list

I have add these two scenarios.

[github-actions[bot]]

This PR has been open for more than 15 days with no activity. This will be closed in 3 days unless the stale label is removed or commented.

[IMS94]

@LakshanWeerasinghe shall we send this PR to master and 2201.3.x; then, close this?

[LakshanWeerasinghe]

Closing this PR in favor of #38367 (2201.3.x) and #38370 (master).