[tools] gopls/internal/mcp: add a variant of the references tool

[Robert Findley (Gerrit)]

Robert Findley submitted the change

Change information

Commit message:

gopls/internal/mcp: add a variant of the references tool

Add a variant of the 'references' tool that accepts a (possibly
qualified) symbol name, rather than a location.

The hope is that LLMs may find this easier to use, since they don't have
to populate a location.

For golang/go#73580

Change-Id: Ib47bcdc290e3bc7c5c822f25e9aedab2311e12ac

Reviewed-on: https://go-review.googlesource.com/c/tools/+/686275

Reviewed-by: Madeline Kalil <mka...@google.com>

LUCI-TryBot-Result: Go LUCI <golang...@luci-project-accounts.iam.gserviceaccount.com>

Files:

• M gopls/internal/golang/call_hierarchy.go
• M gopls/internal/golang/comment.go
• M gopls/internal/golang/definition.go
• M gopls/internal/golang/type_definition.go
• M gopls/internal/golang/type_hierarchy.go
• M gopls/internal/mcp/mcp.go
• M gopls/internal/mcp/references.go
• A gopls/internal/mcp/symbol_references.go
• A gopls/internal/test/marker/testdata/mcptools/symbol_references.txt

Change size: L

Delta: 9 files changed, 240 insertions(+), 11 deletions(-)

Branch: refs/heads/master

Submit Requirements:

• Code-Review: +2 by Madeline Kalil
• TryBots-Pass: LUCI-TryBot-Result+1 by Go LUCI

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Gerrit

Gerrit-MessageType: merged

Gerrit-Project: tools

Gerrit-Branch: master

Gerrit-Change-Id: Ib47bcdc290e3bc7c5c822f25e9aedab2311e12ac

Gerrit-Change-Number: 686275

Gerrit-PatchSet: 5

Gerrit-Owner: Robert Findley <rfin...@google.com>

Gerrit-Reviewer: Go LUCI <golang...@luci-project-accounts.iam.gserviceaccount.com>

Gerrit-Reviewer: Hongxiang Jiang <hxj...@golang.org>

Gerrit-Reviewer: Madeline Kalil <mka...@google.com>

Gerrit-Reviewer: Robert Findley <rfin...@google.com>