Add support for explicit object decls

[JonatanWaern]

Signed-off-by: Jonatan Waern jonatan.waern@intel.com

[Copilot]

Pull request overview

This PR adds support for explicit object declarations in DML, using the in OBJECT syntax to disambiguate from the existing in each construct. It introduces a new ExplicitObjectDecls provisional, renames the Connection variant to Connect, and refactors the parser to extract dispatch_object_kind and handle the in token disambiguation.

Changes:

• Refactored DML object parsing into dispatch_object_kind, adding in OBJECT disambiguation logic for explicit merge declarations
• Renamed DMLObjectContent::Connection to DMLObjectContent::Connect for consistency with the TokenKind::Connect keyword
• Added ExplicitObjectDecls provisional and explicit_merge_tok field to CompositeObjectContent

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 6 comments.

Show a summary per file

File	Description
src/analysis/parsing/structure.rs	Core parsing refactor: extracted dispatch_object_kind, added explicit_merge_parse, parse_ineach_content, new dmlobject_first_token_matcher for in disambiguation
src/analysis/structure/objects.rs	Added explictly_merged field to CompositeObject, renamed Connection to Connect
src/analysis/parsing/tree.rs	Added as_some_mut helper method on AstObject
src/analysis/provisionals.rs	Added ExplicitObjectDecls provisional variant and test
CHANGELOG.md	Documented the new feature

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[TSonono]

LGTM