scala.scalanative.nir.package.scala Maven / Gradle / Ivy
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package scala.scalanative
package object nir {
/** The name of a variable in program sources. */
type LocalName = String
/** A map from SSA identifier to its name in program sources.
*
* Local variables get lowered to an static assignment that is assigned to a
* unique identifier in the context of its definition. Instances of this type
* are used to maintain the correspondance between an SSA ID and its
* corresponding name in program sources.
*/
type LocalNames = Map[Local, LocalName]
/** The identifier of a lexical scope. */
case class ScopeId(id: Int) extends AnyVal {
/** Returns `true` iff `this` is the top-level scope. */
def isTopLevel: Boolean = this.id == ScopeId.TopLevel.id
}
object ScopeId {
/** Returns the innermost scope containing `id`. */
def of(id: Local): ScopeId = ScopeId(id.id.toInt)
/** The top-level scope. */
val TopLevel = ScopeId(0)
}
}