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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