header_parse to handle comment edge cases

[delphamk]

No description provided.

[Copilot]

Pull request overview

This PR improves the experimental implementation header parser so it can correctly detect public method declarations that include trailing // comments and declarations spanning multiple lines, and extends the existing complex fixture/test to cover those edge cases.

Changes:

• Extend parseImplHeader to strip trailing // comments and accumulate multi-line declarations until ; is reached.
• Add new method declarations (trailing-comment + multi-line) to the complex fixture header.
• Add test assertions to ensure the newly introduced methods are parsed as public methods.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
cpp-generator/experimental/impl_header_parser.cpp	Accumulates multi-line declarations and strips trailing // comments before parsing method declarations.
tests/experimental/fixtures/complex_impl.h	Adds public method declarations exercising trailing-comment and multi-line declaration parsing.
tests/experimental/test_impl_header_parser.cpp	Adds assertions verifying the parser includes the new methods from the complex fixture.

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[dlipicar]

hey there @delphamk ! Thanks for your contribution!
Sorry I need to set up a CODEOWNERS file so I get added as reviewer in this repo, I've only now seen your PR.

Many of the cases you mention seem to be fixed in latest master already, could you please rebase?
I think only the trailing comment one might be missing, which should become evident with the test you added.