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[Merged by Bors] - Add AST node for parenthesized expressions #2738

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[Merged by Bors] - Add AST node for parenthesized expressions #2738

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raskad
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@raskad raskad commented Mar 25, 2023

Currently we have no explicit representation for parenthesized expressions which makes some behaviours impossible to detect. A bonus is that we can now turn AST that contains parenthesized expressions back to code.

This Pull Request changes the following:

  • Add an AST node for parenthesized expressions.
  • Adjust some conversions and checks to "ignore"/"expand" parenthesized expressions.
  • Fix some tests that had parenthesized expressions.

@raskad raskad added parser Issues surrounding the parser execution Issues or PRs related to code execution ast Issue surrounding the abstract syntax tree labels Mar 25, 2023
@raskad raskad added this to the v0.17.0 milestone Mar 25, 2023
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github-actions bot commented Mar 25, 2023 •
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Test262 conformance changes

Test result main count PR count difference
Total 94,277 94,277 0
Passed 71,094 71,100 +6
Ignored 17,324 17,324 0
Failed 5,859 5,853 -6
Panics 0 0 0
Conformance 75.41% 75.42% +0.01%
Fixed tests (6): 
test/language/expressions/assignmenttargettype/direct-asyncarrowfunction-1.js [strict mode] (previously Failed)
test/language/expressions/assignmenttargettype/direct-asyncarrowfunction-1.js (previously Failed)
test/language/expressions/assignmenttargettype/parenthesized-primaryexpression-objectliteral.js [strict mode] (previously Failed)
test/language/expressions/assignmenttargettype/parenthesized-primaryexpression-objectliteral.js (previously Failed)
test/language/expressions/assignmenttargettype/direct-arrowfunction-1.js [strict mode] (previously Failed)
test/language/expressions/assignmenttargettype/direct-arrowfunction-1.js (previously Failed)

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codecov bot commented Mar 25, 2023 •
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Codecov Report

Merging #2738 (73c822e) into main (9cfb68d) will decrease coverage by 0.08%.
The diff coverage is 52.12%.

❗ Current head 73c822e differs from pull request most recent head da10544. Consider uploading reports for the commit da10544 to get more accurate results

@@            Coverage Diff             @@
##             main    #2738      +/-   ##
==========================================
- Coverage   50.29%   50.21%   -0.08%     
==========================================
  Files         400      402       +2     
  Lines       39964    40144     +180     
==========================================
+ Hits        20101    20160      +59     
- Misses      19863    19984     +121
Impacted Files Coverage Δ
boa_ast/src/visitor.rs 11.73% <0.00%> (-0.13%) ⬇️
boa_parser/src/parser/expression/update.rs 91.54% <0.00%> (-1.31%) ⬇️
...er/src/parser/statement/iteration/for_statement.rs 57.44% <20.00%> (+0.06%) ⬆️
boa_ast/src/expression/mod.rs 49.59% <25.00%> (-0.83%) ⬇️
boa_ast/src/expression/parenthesized.rs 66.66% <66.66%> (ø)
boa_engine/src/bytecompiler/mod.rs 61.14% <66.66%> (-0.21%) ⬇️
boa_ast/src/expression/operator/assign/mod.rs 82.14% <72.72%> (-1.54%) ⬇️
boa_engine/src/bytecompiler/expression/unary.rs 96.42% <75.00%> (-3.58%) ⬇️
boa_parser/src/parser/expression/unary.rs 68.51% <83.33%> (-0.11%) ⬇️
boa_engine/src/bytecompiler/expression/mod.rs 61.70% <100.00%> (+0.41%) ⬆️
... and 2 more

... and 8 files with indirect coverage changes

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HalidOdat
HalidOdat approved these changes Mar 25, 2023
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Looks good to me!

jedel1043
jedel1043 approved these changes Mar 28, 2023
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Just a small nitpick that doesn't block merging. Nice work!

boa_engine/src/bytecompiler/mod.rs Outdated Show resolved Hide resolved
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Razican commented Mar 30, 2023

bors r+

bors bot pushed a commit that referenced this pull request Mar 30, 2023
@raskad
Add AST node for parenthesized expressions (#2738)
e286d9f 
Currently we have no explicit representation for parenthesized expressions which makes some behaviours impossible to detect. A bonus is that we can now turn AST that contains parenthesized expressions back to code.

This Pull Request changes the following:

- Add an AST node for parenthesized expressions.
- Adjust some conversions and checks to "ignore"/"expand" parenthesized expressions.
- Fix some tests that had parenthesized expressions.
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bors bot commented Mar 30, 2023

Pull request successfully merged into main.

Build succeeded:

@bors bors bot changed the title Add AST node for parenthesized expressions [Merged by Bors] - Add AST node for parenthesized expressions Mar 30, 2023
@bors bors bot closed this Mar 30, 2023
@bors bors bot deleted the add-parenthesized-ast branch March 30, 2023 14:57
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@HalidOdat HalidOdat HalidOdat approved these changes

@jedel1043 jedel1043 jedel1043 approved these changes

@Razican Razican Awaiting requested review from Razican

@jasonwilliams jasonwilliams Awaiting requested review from jasonwilliams

@nekevss nekevss Awaiting requested review from nekevss

@RageKnify RageKnify Awaiting requested review from RageKnify

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