diff options
| -rw-r--r-- | src/main/scala/Chisel/internal/firrtl/IR.scala | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/main/scala/Chisel/internal/firrtl/IR.scala b/src/main/scala/Chisel/internal/firrtl/IR.scala index 7bb273c0..6946652f 100644 --- a/src/main/scala/Chisel/internal/firrtl/IR.scala +++ b/src/main/scala/Chisel/internal/firrtl/IR.scala @@ -161,9 +161,19 @@ case class Connect(loc: Node, exp: Arg) extends Command case class BulkConnect(loc1: Node, loc2: Node) extends Command case class ConnectInit(loc: Node, exp: Arg) extends Command case class Stop(clk: Arg, ret: Int) extends Command -case class Printf(clk: Arg, format: String, ids: Seq[Arg]) extends Command case class Component(id: Module, name: String, ports: Seq[Port], commands: Seq[Command]) extends Arg case class Port(id: Data, dir: Direction) +case class Printf(clk: Arg, formatIn: String, ids: Seq[Arg]) extends Command { + require(formatIn.forall(c => c.toInt > 0 && c.toInt < 128), "format strings must comprise non-null ASCII values") + def format = { + def escaped(x: Char) = + if (x == '"' || x == '\\' || x == '?') "\\" + x + else if (x == '\n') "\\n" + else if (x.toInt < 32) s"\\x${BigInt(x.toInt).toString(16)}" + else x + formatIn.map(escaped _).mkString + } +} case class Circuit(name: String, components: Seq[Component], refMap: RefMap) { def emit: String = new Emitter(this).toString |