Add a `dontTouchLeaves` which places don't touch annotations on the leaves of aggregates.  This does what the current `dontTouch` effectively does, but is explicit.

Fix spelling error

This should enable them to be indexed and thus searchable as part of the
website (both by Algolia and by Google).

* Rename docs/introduction.md to docs/index.md so that now the main link
  is just /docs.
* Add redirects for some common links from the old sbt microsites
  website.

Add tests (also demonstrating new ability to walk alignment of bare types).

Use Github logo for link instead of just text.
Improve Makefile dependencies for `make build` to actually depend on the
source files in website/.

With default settings, contextual search breaks search results.

This has minor consequences for some links but should hopefully make the
website play nicer with the Algolia web crawler.

https://chisel-lang.org is not the same thing as
https://www.chisel-lang.org. This is causing issues for the Algolia web
crawler.

h/t @richardxia for pointing this out to me

This will hopefully make the Algolia web crawler work.

This removes cookbook verilog-vs-chisel which is unfortunate but it has
many issues with Docusaurus (via how it processes markdown with MDX).
We should resolve these issues and restore the page later.

Don't emit nodes when calling .asBool on a Bool

This allows safe references to Objects, as well as type-safe field accessors to connect inputs or outputs via `@instantiable` and `@pulic`.

Remove the deprecated -dedup option.  This was deprecated in firtool
1.57.0 and is planned to be removed soon.  This option has no effect.
Deduplication always runs.

See: https://github.com/llvm/circt/pull/6191



Signed-off-by: Schuyler Eldridge <schuyler.eldridge@sifive.com>

Rename the "groups" API to "layers".  This is done to match a name change
to the FIRRTL feature (of the same name).  "Layers" better captures the
intended use case.  Namely, a layer is a collection of functionality that
is included as a unit.  Layers are made up of "Layer Blocks" that exist in
one or more modules.

This does not change any FIRRTL codegen.  That will have to happen once
these changes are in CIRCT.

Signed-off-by: Schuyler Eldridge <schuyler.eldridge@sifive.com>

This reverts commit 855f03af.

Add a new utility, SparseVec.  This exposes a normal Vec-like dynamic
access API.  However, the dynamic access is implemented one of three ways:

  1. Using a binary decoder
  2. Using a one-hot decoder
  3. Using when statements

This is added to better support a design pattern ("vec--decoder pattern")
where a large, sparse vector is used to describe a decoder.  This pattern,
if unchecked and used in a parametric generator, can cause the vector to
grow extremely large and cause backend tools to complain.

Specifically, Cadence tooling is known to set limits on the addressable
range of a "memory" and will error if these are exceeded.  This
vec--decoder pattern can easily exceed this if designers are not careful.

Signed-off-by: Schuyler Eldridge <schuyler.eldridge@sifive.com>

Also stop suppressing these warnings (except in Tests) so that they are
now compile-time errors.

Apparently these aren't included in scalafmtAll.  Run this for some
whitespace cleanup.

Signed-off-by: Schuyler Eldridge <schuyler.eldridge@sifive.com>