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[Merged by Bors] - Add regex literal early errors #2517

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[Merged by Bors] - Add regex literal early errors #2517

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raskad
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@raskad raskad commented Jan 5, 2023

This Pull Request changes the following:

  • Parse regex literals via regress during parsing to return errors in the regex as early syntax errors.

@raskad raskad added bug Something isn't working parser Issues surrounding the parser labels Jan 5, 2023
@raskad raskad added this to the v0.17.0 milestone Jan 5, 2023
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github-actions bot commented Jan 5, 2023

Test262 conformance changes

Test result main count PR count difference
Total 94,188 94,188 0
Passed 70,164 70,298 +134
Ignored 18,605 18,605 0
Failed 5,419 5,285 -134
Panics 0 0 0
Conformance 74.49% 74.64% +0.14%
Fixed tests (134): 
test/language/literals/regexp/early-err-pattern.js [strict mode] (previously Failed)
test/language/literals/regexp/early-err-pattern.js (previously Failed)
test/language/literals/regexp/invalid-braced-quantifier-exact.js [strict mode] (previously Failed)
test/language/literals/regexp/invalid-braced-quantifier-exact.js (previously Failed)
test/language/literals/regexp/u-invalid-class-escape.js [strict mode] (previously Failed)
test/language/literals/regexp/u-invalid-class-escape.js (previously Failed)
test/language/literals/regexp/u-invalid-legacy-octal-escape.js [strict mode] (previously Failed)
test/language/literals/regexp/u-invalid-legacy-octal-escape.js (previously Failed)
test/language/literals/regexp/u-invalid-optional-negative-lookahead.js [strict mode] (previously Failed)
test/language/literals/regexp/u-invalid-optional-negative-lookahead.js (previously Failed)
test/language/literals/regexp/u-invalid-range-negative-lookahead.js [strict mode] (previously Failed)
test/language/literals/regexp/u-invalid-range-negative-lookahead.js (previously Failed)
test/language/literals/regexp/u-invalid-non-empty-class-ranges.js [strict mode] (previously Failed)
test/language/literals/regexp/u-invalid-non-empty-class-ranges.js (previously Failed)
test/language/literals/regexp/invalid-braced-quantifier-lower.js [strict mode] (previously Failed)
test/language/literals/regexp/invalid-braced-quantifier-lower.js (previously Failed)
test/language/literals/regexp/u-invalid-optional-lookahead.js [strict mode] (previously Failed)
test/language/literals/regexp/u-invalid-optional-lookahead.js (previously Failed)
test/language/literals/regexp/u-unicode-esc-non-hex.js [strict mode] (previously Failed)
test/language/literals/regexp/u-unicode-esc-non-hex.js (previously Failed)
test/language/literals/regexp/u-invalid-oob-decimal-escape.js [strict mode] (previously Failed)
test/language/literals/regexp/u-invalid-oob-decimal-escape.js (previously Failed)
test/language/literals/regexp/u-invalid-range-lookahead.js [strict mode] (previously Failed)
test/language/literals/regexp/u-invalid-range-lookahead.js (previously Failed)
test/language/literals/regexp/u-unicode-esc-bounds.js [strict mode] (previously Failed)
test/language/literals/regexp/u-unicode-esc-bounds.js (previously Failed)
test/language/literals/regexp/u-invalid-non-empty-class-ranges-no-dash-b.js [strict mode] (previously Failed)
test/language/literals/regexp/u-invalid-non-empty-class-ranges-no-dash-b.js (previously Failed)
test/language/literals/regexp/u-invalid-non-empty-class-ranges-no-dash-a.js [strict mode] (previously Failed)
test/language/literals/regexp/u-invalid-non-empty-class-ranges-no-dash-a.js (previously Failed)
test/language/literals/regexp/invalid-braced-quantifier-range.js [strict mode] (previously Failed)
test/language/literals/regexp/invalid-braced-quantifier-range.js (previously Failed)
test/language/literals/regexp/unicode-escape-nls-err.js [strict mode] (previously Failed)
test/language/literals/regexp/unicode-escape-nls-err.js (previously Failed)
test/language/literals/regexp/u-invalid-non-empty-class-ranges-no-dash-ab.js [strict mode] (previously Failed)
test/language/literals/regexp/u-invalid-non-empty-class-ranges-no-dash-ab.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-unterminated-groupspecifier-u.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-unterminated-groupspecifier-u.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-start-groupspecifier-6.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-start-groupspecifier-6.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-incomplete-groupname-2-u.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-incomplete-groupname-2-u.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-dangling-groupname-5.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-dangling-groupname-5.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-continue-groupspecifier-4-u.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-continue-groupspecifier-4-u.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-start-groupspecifier-5.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-start-groupspecifier-5.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-start-groupspecifier-4-u.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-start-groupspecifier-4-u.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-unterminated-groupspecifier.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-unterminated-groupspecifier.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-dangling-groupname-3-u.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-dangling-groupname-3-u.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-punctuator-within-groupspecifier.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-punctuator-within-groupspecifier.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-start-groupspecifier-9-u.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-start-groupspecifier-9-u.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-dangling-groupname-3.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-dangling-groupname-3.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-incomplete-groupname.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-incomplete-groupname.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-dangling-groupname.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-dangling-groupname.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-dangling-groupname-u.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-dangling-groupname-u.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-dangling-groupname-4-u.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-dangling-groupname-4-u.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-incomplete-groupname-5.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-incomplete-groupname-5.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-continue-groupspecifier.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-continue-groupspecifier.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-dangling-groupname-4.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-dangling-groupname-4.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-dangling-groupname-without-group-u.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-dangling-groupname-without-group-u.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-incomplete-groupname-6.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-incomplete-groupname-6.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-dangling-groupname-2.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-dangling-groupname-2.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-start-groupspecifier.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-start-groupspecifier.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-incomplete-groupname-3-u.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-incomplete-groupname-3-u.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-continue-groupspecifier-4.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-continue-groupspecifier-4.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-incomplete-groupname-without-group-u.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-incomplete-groupname-without-group-u.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-start-groupspecifier-8.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-start-groupspecifier-8.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-incomplete-groupname-2.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-incomplete-groupname-2.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-incomplete-groupname-without-group-3-u.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-incomplete-groupname-without-group-3-u.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-dangling-groupname-2-u.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-dangling-groupname-2-u.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-punctuator-starting-groupspecifier-u.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-punctuator-starting-groupspecifier-u.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-start-groupspecifier-2-u.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-start-groupspecifier-2-u.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-incomplete-groupname-u.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-incomplete-groupname-u.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-start-groupspecifier-8-u.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-start-groupspecifier-8-u.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-incomplete-groupname-without-group-2-u.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-incomplete-groupname-without-group-2-u.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-numeric-groupspecifier.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-numeric-groupspecifier.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-start-groupspecifier-4.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-start-groupspecifier-4.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-incomplete-groupname-3.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-incomplete-groupname-3.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-punctuator-starting-groupspecifier.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-punctuator-starting-groupspecifier.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-start-groupspecifier-5-u.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-start-groupspecifier-5-u.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-empty-groupspecifier-u.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-empty-groupspecifier-u.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-start-groupspecifier-u.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-start-groupspecifier-u.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-start-groupspecifier-3.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-start-groupspecifier-3.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-punctuator-within-groupspecifier-u.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-punctuator-within-groupspecifier-u.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-start-groupspecifier-7.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-start-groupspecifier-7.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-empty-groupspecifier.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-empty-groupspecifier.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-incomplete-groupname-4.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-incomplete-groupname-4.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-numeric-groupspecifier-u.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-numeric-groupspecifier-u.js (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-start-groupspecifier-2.js [strict mode] (previously Failed)
test/language/literals/regexp/named-groups/invalid-non-id-start-groupspecifier-2.js (previously Failed)

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codecov bot commented Jan 5, 2023 •
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Codecov Report

Merging #2517 (63ca528) into main (1b04c9e) will increase coverage by 0.89%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main    #2517      +/-   ##
==========================================
+ Coverage   50.68%   51.57%   +0.89%     
==========================================
  Files         358      356       -2     
  Lines       36265    35662     -603     
==========================================
+ Hits        18380    18392      +12     
+ Misses      17885    17270     -615
Impacted Files Coverage Δ
boa_parser/src/lexer/regex.rs 62.85% <100.00%> (+3.45%) ⬆️
boa_engine/src/builtins/regexp/mod.rs 65.76% <0.00%> (-0.65%) ⬇️
boa_ast/src/visitor.rs 10.58% <0.00%> (-0.59%) ⬇️
boa_engine/src/object/mod.rs 44.22% <0.00%> (-0.11%) ⬇️
boa_tester/src/main.rs 0.00% <0.00%> (ø)
boa_examples/src/bin/loadstring.rs
boa_tester/src/results.rs
boa_tester/src/exec/js262.rs
boa_tester/src/exec/mod.rs
boa_tester/src/read.rs
... and 5 more

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HalidOdat
HalidOdat approved these changes Jan 7, 2023
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Looks good to me! :)

jedel1043
jedel1043 approved these changes Jan 12, 2023
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Looks good! Would be good to store the parsed Regex instead of parsing it again on the engine, but that should be on a separate PR.

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bors r+

bors bot pushed a commit that referenced this pull request Jan 12, 2023
@raskad
Add regex literal early errors (#2517)
be9ebc9 
This Pull Request changes the following:

- Parse regex literals via `regress` during parsing to return errors in the regex as early syntax errors.
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bors bot commented Jan 12, 2023

Pull request successfully merged into main.

Build succeeded:

@bors bors bot changed the title Add regex literal early errors [Merged by Bors] - Add regex literal early errors Jan 12, 2023
@bors bors bot closed this Jan 12, 2023
@bors bors bot deleted the regexp-literal-parse-syntax-error branch January 12, 2023 00:26
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Reviewers

@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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bug Something isn't working parser Issues surrounding the parser
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@raskad @jedel1043 @HalidOdat