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This is necessary to use ChiselEnum in aggregates where things are
casted using .asTypeOf
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Previously, including an empty aggregate in a Bundle would cause
a MixedDirectionAggregateException because it has no elements and thus
doesn't have a direction
* Add SampleElementBinding for Vec sample elements
* Add ActualDirection.Empty for bound empty aggregates
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Force clients to access 'DontCare' through the chisel3 package to ensure it's created as a chisel3 object and not a client object.
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* Turned off strong enum annotations because they weren't working with Vec
indexes
* Add new EnumVecAnnotation for vecs of enums and vecs of bundles with
enum fields
* Changed Clock's width parameter back to a fixed constant value of 1
* Fixed enum annotations for Vecs of Bundles which contain enum elements
* Fixed usage of "when/otherwise" to use consistent style
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* Update style warnings now that subprojects are aggregated.
Use "scalastyle-test-config.xml" for scalastyle config in tests.
Enable "_" in method names and accept method names ending in "_=".
Re-sync scalastyle-test-config.xml with scalastyle-config.xml
* Remove bogus tests that crept in with git add
* Add missing import.
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Compatibility for rename introduced by #994
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toString on Data subtypes will now print the type and optionally binding information including literals and IO names as feasible.
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Module class names (#994)
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It performs the operation (x === 0.U), just like in C. The scaladoc
incorrectly described it as performing the operation !x(0). (Obviously, these
are equivalent for Bool, but not for UInt in general).
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In the case that the width is known, we can emit one fewer Firrtl node.
This obviously synthesizes the same way, but compiles/simulates faster.
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* Fix width propagation of non-literals in WireInit and RegInit
* Change .getWidth to throw an exception instead of calling .get
* Add utilities for checking inferred vs. known widths
* Add tests for Wire, WireInit, Reg, and RegInit width inference
* Add ScalaDoc for Reg, Wire, RegInit, and WireInit
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This is semantically equivalent, but gets rid of a bunch of Firrtl text.
It also gets rid of a bunch of Verilog, because Firrtl is capable of
pattern-matching the new expression into SubWrap. The effect is that
we now get
wire [4:0] in;
wire [4:0] res;
assign res = 5'h0 - in;
instead of
wire [4:0] in;
wire [5:0] _T_40;
wire [5:0] _T_41;
wire [4:0] res;
assign _T_40 = 5'h0 - in;
assign _T_41 = $unsigned(_T_40);
assign res = _T_41[4:0];
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The expanded version substituted in by the macro was misspelled, renamed
from toBools -> do_toBools as expected by the macro
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- Trim stack trace to show better, reduced information to the user
- Add --full-stacktrace to FIRRTL option to show full stack trace
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Fixes #893
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* Turned off strong enum annotations because they weren't working
with Vec indexes
* Ignore annotation tests using ScalaTest's 'ignore', rather than
by commenting them out
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This wraps the evaluation of BaseModule.name in try/catch to look for a
NullPointerException that may result from trying to evaluate desiredName
before it's ready. This catches a test case of using a desiredName that
depends on a later defined eager subinstance.
h/t @jackkoenig
Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>
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This changes BaseModule.name to be lazy (instead of eager) to enable a
desiredName to be a function of a sub-instance. This includes a test case
showing the new behavior.
Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>
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* Added new strongly-typed enum construct called "StrongEnum". "StrongEnum" will automatically generate annotations that HDL backends can use to mark components as enums
Removed "override val width" constructor parameter from "Element" so that classes with variable widths, like the new strong enums, can inherit from it
Changed the parameter types of certain functions, such as "switch", "is", and "LitArg.bindLitArg" from "Bits" to "Element", so that they can take the new strong enums as arguments
* Added tests for the new strong enums
* Changed StrongEnum exception names and made sure in StrongEnum tests that the correct types of exceptions are thrown
* Fixed bug where an enum's global annotation would not be set if it was used in multiple circuits
Made styling changes to StrongEnum.scala
* Reverted accidental changes to the AnnotatingDiamond test
* Changed the API for casting non-literal UInts to enums
Added an isValid function that checks whether or not enums have valid values
Calling getWidth on an enum's companion object now returns a BigInt instead of an Int
* Casting a literal to an enum using the StrongEnum.castFromNonLit(n) function is now simply a wrapper for StrongEnum.apply(n)
* Fixed compilation bug
* * Added "next" method to EnumType
* Renamed "castFromNonLit" to "fromBits"
* The FSM example in the test/scala/cookbook now uses StrongEnums
* * Changed strong enum API, so that users no longer have to declare both a class and a companion object for each strong enum
* Strong enums do not have to be static any longer
* * Added scope protections to ChiselEnum.Value so that users cannot call it
outside of a ChiselEnum definition
* Renamed ChiselEnum.Value type to ChiselEnum.Type so that we can give
it a companion object just like UInt and Bool do
* * Moved strong enums into experimental package
* Non-literal UInts can now be cast to enums with apply() rather than
fromBits()
* Reduced code-duplication by moving some functions from EnumType and
Bits to Element
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The litOption field currently has no type that can be inferred. Some
subtypes override it and give it a type, but the original declaration
should have a type so things like bundles can override it.
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Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>
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Minor updates to Element's documentation to conform with ScalaDoc style.
Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>
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Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>
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Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>
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Adds documentation of Arithmetic, Bitwise, and Comparison operators for
SInt.
The duplication of documentation between UInt and SInt strongly indicate a
unification around Num would make sense.
Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>
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This adds documentation of Arithmetic, Comparison, and Bitwise operator
methods of UInt.
Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>
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This includes general documentation for the arithmetic and comparison
operators of Num.
Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>
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Signed-off-by: Schuyler Eldridge <schuyler.eldridge@ibm.com>
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