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tilelink2: connect Nodes to LazyModules for better error messages

This commit is contained in:
Wesley W. Terpstra 2016-09-08 14:41:08 -07:00
parent 53987cd9d4
commit d7df7d3109
2 changed files with 25 additions and 5 deletions

View File

@ -3,12 +3,13 @@
package uncore.tilelink2
import Chisel._
import chisel3.internal.sourceinfo._
import chisel3.internal.sourceinfo.{SourceInfo, SourceLine, UnlocatableSourceInfo}
abstract class LazyModule
{
protected[tilelink2] var bindings = List[() => Unit]()
protected[tilelink2] var children = List[LazyModule]()
protected[tilelink2] var nodes = List[RootNode]()
protected[tilelink2] var info: SourceInfo = UnlocatableSourceInfo
protected[tilelink2] val parent = LazyModule.stack.headOption
@ -22,6 +23,12 @@ abstract class LazyModule
}
}
def name = getClass.getName.split('.').last
def line = info match {
case SourceLine(filename, line, col) => s" ($filename:$line:$col)"
case _ => ""
}
def module: LazyModuleImp
implicit val lazyModule = this
@ -55,6 +62,6 @@ abstract class LazyModuleImp(outer: LazyModule) extends Module
// .module had better not be accessed while LazyModules are still being built!
require (LazyModule.stack.isEmpty)
override def desiredName = outer.getClass.getName.split('.').last
override def desiredName = outer.name
outer.instantiate()
}

View File

@ -19,11 +19,20 @@ abstract class NodeImp[PO, PI, EO, EI, B <: Data]
def connect(bo: B, eo: EO, bi: B, ei: EI)(implicit sourceInfo: SourceInfo): Unit
}
class RootNode
{
// You cannot create a Node outside a LazyModule!
require (!LazyModule.stack.isEmpty)
val lazyModule = LazyModule.stack.head
lazyModule.nodes = this :: lazyModule.nodes
}
class BaseNode[PO, PI, EO, EI, B <: Data](imp: NodeImp[PO, PI, EO, EI, B])(
private val oFn: Option[Seq[PO] => PO],
private val iFn: Option[Seq[PI] => PI],
private val numPO: Range.Inclusive,
private val numPI: Range.Inclusive)
private val numPI: Range.Inclusive) extends RootNode
{
// At least 0 ports must be supported
require (!numPO.isEmpty)
@ -42,8 +51,12 @@ class BaseNode[PO, PI, EO, EI, B <: Data](imp: NodeImp[PO, PI, EO, EI, B])(
private var oRealized = false
private var iRealized = false
private lazy val oPorts = { oRealized = true; require (numPO.contains(accPO.size)); accPO.result() }
private lazy val iPorts = { iRealized = true; require (numPI.contains(accPI.size)); accPI.result() }
def name = lazyModule.name + "." + getClass.getName.split('.').last
private def reqO() = require(numPO.contains(accPO.size), s"${name} has ${accPO.size} outputs, expected ${numPO}${lazyModule.line}")
private def reqI() = require(numPI.contains(accPI.size), s"${name} has ${accPI.size} inputs, expected ${numPI}${lazyModule.line}")
private lazy val oPorts = { oRealized = true; reqO(); accPO.result() }
private lazy val iPorts = { iRealized = true; reqI(); accPI.result() }
private lazy val oParams : Option[PO] = oFn.map(_(iPorts.map(_.oParams.get)))
private lazy val iParams : Option[PI] = iFn.map(_(oPorts.map(_.iParams.get)))