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[Merged by Bors] - Remove Syntax Errors from Bytecompiler #2598

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[Merged by Bors] - Remove Syntax Errors from Bytecompiler #2598

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raskad
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@raskad raskad commented Feb 12, 2023

This Pull Request closes #1907.

It changes the following:

  • Implement several early errors relating to labels, break and continue in the parser.
  • Implement an early error for invalid cover grammar of object literals in the parser.
  • Remove all remaining syntax errors from the bytecompiler.

@raskad raskad added parser Issues surrounding the parser vm Issues and PRs related to the Boa Virtual Machine. Internal Category for changelog labels Feb 12, 2023
@raskad raskad added this to the v0.17.0 milestone Feb 12, 2023
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github-actions bot commented Feb 12, 2023 •
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Test262 conformance changes

Test result main count PR count difference
Total 94,129 94,129 0
Passed 71,901 71,910 +9
Ignored 17,206 17,206 0
Failed 5,022 5,013 -9
Panics 12 12 0
Conformance 76.39% 76.40% +0.01%
Fixed tests (9): 
test/language/statements/class/static-init-invalid-label-dup.js [strict mode] (previously Failed)
test/language/statements/class/static-init-invalid-label-dup.js (previously Failed)
test/language/statements/labeled/value-await-non-module.js [strict mode] (previously Failed)
test/language/statements/labeled/value-await-non-module.js (previously Failed)
test/language/statements/labeled/value-yield-non-strict.js (previously Failed)
test/language/statements/break/S12.8_A8_T2.js [strict mode] (previously Failed)
test/language/statements/break/S12.8_A8_T2.js (previously Failed)
test/language/module-code/early-dup-lables.js [strict mode] (previously Failed)
test/language/module-code/early-dup-lables.js (previously Failed)

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codecov bot commented Feb 12, 2023 •
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Codecov Report

Merging #2598 (c9acb9e) into main (60c25b4) will increase coverage by 0.26%.
The diff coverage is 62.80%.

@@            Coverage Diff             @@
##             main    #2598      +/-   ##
==========================================
+ Coverage   49.34%   49.60%   +0.26%     
==========================================
  Files         386      384       -2     
  Lines       38962    39089     +127     
==========================================
+ Hits        19224    19391     +167     
+ Misses      19738    19698      -40
Impacted Files Coverage Δ
boa_engine/src/builtins/eval/mod.rs 6.86% <0.00%> (-0.29%) ⬇️
boa_engine/src/builtins/function/mod.rs 24.09% <0.00%> (ø)
boa_engine/src/bytecompiler/class.rs 0.00% <0.00%> (ø)
...rc/bytecompiler/declaration/declaration_pattern.rs 26.20% <0.00%> (-0.51%) ⬇️
boa_engine/src/bytecompiler/module.rs 0.00% <0.00%> (ø)
.../statement/declaration/hoistable/class_decl/mod.rs 50.71% <0.00%> (-0.61%) ⬇️
boa_parser/src/parser/statement/mod.rs 60.60% <0.00%> (-1.45%) ⬇️
boa_engine/src/bytecompiler/expression/assign.rs 38.16% <28.57%> (-0.93%) ⬇️
...gine/src/bytecompiler/expression/object_literal.rs 42.85% <40.00%> (+0.61%) ⬆️
boa_engine/src/bytecompiler/function.rs 65.54% <40.00%> (ø)
... and 35 more

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@raskad raskad closed this Feb 12, 2023
@raskad raskad reopened this Feb 12, 2023
jedel1043
jedel1043 requested changes Feb 15, 2023
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Good work!

boa_ast/src/operations.rs Outdated
/// [BreakStatement]: https://tc39.es/ecma262/#sec-break-statement-static-semantics-early-errors
/// [ContinueStatement]: https://tc39.es/ecma262/#sec-continue-statement-static-semantics-early-errors
#[must_use]
pub fn check_labels<N>(node: &N, interner: &Interner) -> Option<String>
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I think returning an Option is a bit misleading. It would be better to return Result<(), String> or even Result<(), CheckLabelsError> to defer the error reporting to the parser.

HalidOdat
HalidOdat approved these changes Feb 16, 2023
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Looks good to me!

jedel1043
jedel1043 approved these changes Feb 18, 2023
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Looks good to me!

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bors r+

bors bot pushed a commit that referenced this pull request Feb 18, 2023
@raskad
Remove Syntax Errors from Bytecompiler (#2598)
310c671 
This Pull Request closes #1907.

It changes the following:

- Implement several early errors relating to labels, `break` and `continue` in the parser.
- Implement an early error for invalid cover grammar of object literals in the parser.
- Remove all remaining syntax errors from the bytecompiler.
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bors bot commented Feb 18, 2023

Pull request successfully merged into main.

Build succeeded:

@bors bors bot changed the title Remove Syntax Errors from Bytecompiler [Merged by Bors] - Remove Syntax Errors from Bytecompiler Feb 18, 2023
@bors bors bot closed this Feb 18, 2023
@bors bors bot deleted the move-syntax-errors branch February 18, 2023 17:44
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@HalidOdat HalidOdat HalidOdat approved these changes

@RageKnify RageKnify RageKnify approved these changes

@jedel1043 jedel1043 jedel1043 approved these changes

@nekevss nekevss Awaiting requested review from nekevss

@jasonwilliams jasonwilliams Awaiting requested review from jasonwilliams

@Razican Razican Awaiting requested review from Razican

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Successfully merging this pull request may close these issues.

Move syntax errors from the compiler to the parser
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@raskad @jedel1043 @HalidOdat @RageKnify