Add C++ ECMAScript regular-expression parser and tree view#22220

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jketema with Copilot wants to merge 21 commits into

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copilot/add-cpp-ecmascript-parser

Commits on Jul 21, 2026

Initial plan
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Commit 1: Copy Ruby regex library files verbatim (non-compiling checkpoint)
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authored
Commit 2: Adapt Ruby regex library to compile against C++
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authored
Commit 3: Add test.cpp corpus wrapped in std::regex stubs; generate .expected
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authored
Commit 4: Curate corpus for C++ ECMAScript; regenerate .expected
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authored
Commit 5: Remove Ruby-only parser features; shift to ECMAScript dialect
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authored
Commit 6: Add POSIX-bracket extension tests (pre-fix, capturing incorrect tokenization)
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authored
Commit 7: Implement POSIX collating symbol and equivalence class support
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authored
Commit 8: Add location tests exposing term-location off-by-one (pre-fix)
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authored
Commit 9: Fix hasLocationInfo for all string literal forms; fix unicode escape
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authored
Commit 1: Remove \p{...}/\P{...} named-character-property handling
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authored
Commit 2: Fix \0 escape parsing
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authored
Commit 3: Remove \U unicode-escape residue; keep only ECMAScript \uHHHH
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authored
Commit 4: Correct anchor semantics/docs for default std::regex
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authored
Commit 5: Port missing POSIX-bracket parse cases from PR #22200
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authored
Commit 6: Fix POSIX-bracket mis-parses revealed by Commit 5
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authored
Commit 7: Add Consistency.ql regression guard
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Commit 8: Complete location-test coverage for u8 and u8R forms
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authored
Commit 9: Remove leftover Ruby scratch corpus regexp.rb
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Commit 10: Strip process-narrative comments from shipped source
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Remove named capture group support from C++ ECMAScript regex parser
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Add C++ ECMAScript regular-expression parser and tree view#22220

Add C++ ECMAScript regular-expression parser and tree view#22220
jketema with Copilot wants to merge 21 commits into
mainfrom
copilot/add-cpp-ecmascript-parser

Commits on Jul 21, 2026

Initial plan

Commit 1: Copy Ruby regex library files verbatim (non-compiling checkpoint)

Commit 2: Adapt Ruby regex library to compile against C++

Commit 3: Add test.cpp corpus wrapped in std::regex stubs; generate .expected

Commit 4: Curate corpus for C++ ECMAScript; regenerate .expected

Commit 5: Remove Ruby-only parser features; shift to ECMAScript dialect

Commit 6: Add POSIX-bracket extension tests (pre-fix, capturing incorrect tokenization)

Commit 7: Implement POSIX collating symbol and equivalence class support

Commit 8: Add location tests exposing term-location off-by-one (pre-fix)

Commit 9: Fix hasLocationInfo for all string literal forms; fix unicode escape

Commit 1: Remove \p{...}/\P{...} named-character-property handling

Commit 2: Fix \0 escape parsing

Commit 3: Remove \U unicode-escape residue; keep only ECMAScript \uHHHH

Commit 4: Correct anchor semantics/docs for default std::regex

Commit 5: Port missing POSIX-bracket parse cases from PR #22200

Commit 6: Fix POSIX-bracket mis-parses revealed by Commit 5

Commit 7: Add Consistency.ql regression guard

Commit 8: Complete location-test coverage for u8 and u8R forms

Commit 9: Remove leftover Ruby scratch corpus regexp.rb

Commit 10: Strip process-narrative comments from shipped source

Remove named capture group support from C++ ECMAScript regex parser