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DataView is a mechanism for "viewing" Scala objects as a subtype of
`Data`. Often, this is useful for viewing one subtype of `Data`, as
another. One can think about a DataView as a cross between a
customizable cast and an untagged union.
A DataView has a Target type `T`, and a View type `V`. DataView requires
that an implementation of `DataProduct` is available for Target types.
DataProduct is a type class that provides a way to iterate on `Data`
children of objects of implementing types.
If a DataView is provided for a type T to a type V, then the function
.viewAs[V] (of type T => V) is available. The object (of type T) returned
by .viewAs is called a "View" and can be used as both an rvalue and an
lvalue. Unlike when using an .asTypeOf cast, connecting to a "View" will
connect to the associated field or fields of the underlying Target.
DataView also enables .viewAsSupertype which is available for viewing
Bundles as a parent Bundle type. It is similar to .viewAs but requires
a prototype object of the Target type which will be cloned in order to
create the returned View. .viewAsSupertype maps between the
corresponding fields of the parent and child Bundle types.
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* prototype annotating verif constructs
* switch to final class
* name emissions
* moving BaseSim to experimental
* adding name tests
* fixing quotation escapes
* emitting names, but everything has a default name
* only name things with provided/suggested names
* name every BaseSim node
* removing msg, unused imports
* fixing file exist calls
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Change a test to use emitChirrtl instead of emitFirrtl. This test
isn't supposed to be running the Scala FIRRTL Compiler, but the latter
method causes this to happen.
Signed-off-by: Schuyler Eldridge <schuyler.eldridge@sifive.com>
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* Added forcename transform and tests
* Added documentation and additional error checking
* Added mdoc. Added RunFirrtlTransform trait
* Removed TODO comment
* Addressed reviewer feedback
* Removed trailing comma
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
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Change source and other relevant files to use SPDX license
LICENSE file moved from src/ to ./
Changed license file to refer to this per recommendation
using_spdx_license_list_short_identifiers
WARNING: Tests fail with as of yet undiagnosed error
```
[error] Failed: Total 691, Failed 19, Errors 0, Passed 672, Ignored 15
[error] Failed tests:
[error] chiselTests.QueueSpec
[error] examples.VendingMachineGeneratorSpec
[error] chiselTests.HarnessSpec
[error] chiselTests.ConnectSpec
[error] chiselTests.aop.SelectSpec
[error] chiselTests.PopCountSpec
[error] chiselTests.CloneModuleSpec
[error] (Test / test) sbt.TestsFailedException: Tests unsuccessful
[error] Total time: 379 s (06:19), completed Sep 30, 2020 12:38:17 AM
sbt:chisel3>
```
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ChiselStage$ helpers (#1566)
* Add ChiselPhase
* Use ChiselPhase in ChiselStage, remove targets
Switch from a one-off PhaseManager inside ChiselStage to actually
using the newly added ChiselPhase. This removes the targets
method (and API) from ChiselStage.
* Stop writing to files in ChiselStage$ methods
Change the ChiselStage companion object methods, elaborate and
convert, to not write files. Under the hood, these are switched from
using ChiselStage (which, like all phases, will write files) to using
ChiselPhase.
* Test that ChiselStage$ methods write no files
Modify existing ChiselStage object method tests to check that no files
are written.
* Expand ChiselStage$ API with more helpers
This adds additional methods to the ChiselStage object for going
directly from a Chisel module to a string including: CHIRRTL, high
FIRRTL IR, Verilog, and SystemVerilog.
Differing from their ChiselStage class counterparts, these take no
arguments other than the module and write no files.
* Add tests of new ChiselStage$ helper methods
* Use ChiselStage object in tests
Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>
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* Add `check(...)` affordance
* Add assert (renamed from check and fixed)
* Add verification statements
* Move formal to experimental.verification
* Make test use ChiselStage
`generateFirrtl` has been cut from Chisel
* Fix newly introduced style warnings
* Fix some old style warnings for good measure
* Revert "Fix some old style warnings for good measure"
This reverts commit 31d51726c2faa4c277230104bd469ff7ffefc890.
* Cut scalastyle comments
* Cut formal delimiter comments
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This migrates the tests to Chisel 3.4/FIRRTL 1.4. This primarily
involves removing usages of deprecated methods including:
- Remove usages of Driver
- Use ChiselStage methods instead of BackendCompilationUtilities
methods
- Use Dependency API for custom transforms
- Use extractCause to unpack StackError
Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>
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* Added group chisel API
* Removed println
* Added scaladoc
* Added more tests
* Cleaned spacing and removed println
Co-authored-by: Chick Markley <chick@qrhino.com>
Co-authored-by: Jim Lawson <ucbjrl@berkeley.edu>
Co-authored-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>
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* Move dontTouch out of experimental package.
* Move RawModule, MultiIOModule out of experimental.
* Respond to comments - Move LagacyModule from experimental to internal.
*NOTE*: At some point, these module definitions (especially those in separate packages) should be moved to individual files at the appropriate location in the source tree. The current organization is purely to support comparison with prior versions.
* Fix up a few more imports.
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Add chisel3.experimental.IO for programmatic port creation in Raw and
MultiIOModules. suggestName is required to name ports that cannot be
named by reflection. Two ports cannot be given the same name.
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