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/* Scala.js compiler
* Copyright 2013 LAMP/EPFL
* @author Sébastien Doeraene
*/
package scala.scalajs.compiler
import scala.tools.nsc._
import scala.collection.mutable
/** Extension of ScalaPrimitives for primitives only relevant to the JS backend
*
* @author Sébastie Doeraene
*/
abstract class JSPrimitives {
val global: Global
type ThisJSGlobalAddons = JSGlobalAddons {
val global: JSPrimitives.this.global.type
}
val jsAddons: ThisJSGlobalAddons
import global._
import jsAddons._
import definitions._
import rootMirror._
import jsDefinitions._
import scalaPrimitives._
val GETCLASS = 301 // Object.getClass()
val F2JS = 305 // FunctionN to js.FunctionN
val F2JSTHIS = 306 // FunctionN to js.ThisFunction{N-1}
val DYNNEW = 321 // Instantiate a new JavaScript object
val DYNSELECT = 330 // js.Dynamic.selectDynamic
val DYNUPDATE = 331 // js.Dynamic.updateDynamic
val DYNAPPLY = 332 // js.Dynamic.applyDynamic
val DYNLITN = 333 // js.Dynamic.literal.applyDynamicNamed
val DYNLIT = 334 // js.Dynamic.literal.applyDynamic
val DICT_DEL = 335 // js.Dictionary.delete
val ARR_CREATE = 337 // js.Array.apply (array literal syntax)
val UNDEFVAL = 342 // js.undefined
val ISUNDEF = 343 // js.isUndefined
val TYPEOF = 344 // typeof x
val DEBUGGER = 345 // js.debugger()
val HASPROP = 346 // js.Object.hasProperty(o, p), equiv to `p in o` in JS
val OBJPROPS = 347 // js.Object.properties(o), equiv to `for (p in o)` in JS
val JS_NATIVE = 348 // js.native. Marker method. Fails if tried to be emitted.
val UNITVAL = 349 // () value, which is undefined
val UNITTYPE = 350 // BoxedUnit.TYPE (== classOf[Unit])
val ENV_INFO = 353 // __ScalaJSEnv via helper
/** Initialize the map of primitive methods (for GenJSCode) */
def init(): Unit = initWithPrimitives(addPrimitive)
/** Init the map of primitive methods for Scala.js (for PrepJSInterop) */
def initPrepJSPrimitives(): Unit = {
scalaJSPrimitives.clear()
initWithPrimitives(scalaJSPrimitives.put)
}
/** Only call from PrepJSInterop. In GenJSCode, use
* scalaPrimitives.isPrimitive instead
*/
def isJavaScriptPrimitive(sym: Symbol): Boolean =
scalaJSPrimitives.contains(sym)
private val scalaJSPrimitives = mutable.Map.empty[Symbol, Int]
private def initWithPrimitives(addPrimitive: (Symbol, Int) => Unit): Unit = {
addPrimitive(Object_getClass, GETCLASS)
for (i <- 0 to 22)
addPrimitive(JSAny_fromFunction(i), F2JS)
for (i <- 1 to 22)
addPrimitive(JSThisFunction_fromFunction(i), F2JSTHIS)
addPrimitive(JSDynamic_newInstance, DYNNEW)
addPrimitive(JSDynamic_selectDynamic, DYNSELECT)
addPrimitive(JSDynamic_updateDynamic, DYNUPDATE)
addPrimitive(JSDynamic_applyDynamic, DYNAPPLY)
addPrimitive(JSDynamicLiteral_applyDynamicNamed, DYNLITN)
addPrimitive(JSDynamicLiteral_applyDynamic, DYNLIT)
addPrimitive(JSDictionary_delete, DICT_DEL)
addPrimitive(JSArray_create, ARR_CREATE)
val ntModule = getRequiredModule("scala.reflect.NameTransformer")
addPrimitive(JSPackage_typeOf, TYPEOF)
addPrimitive(JSPackage_debugger, DEBUGGER)
addPrimitive(JSPackage_undefined, UNDEFVAL)
addPrimitive(JSPackage_isUndefined, ISUNDEF)
addPrimitive(JSPackage_native, JS_NATIVE)
addPrimitive(JSObject_hasProperty, HASPROP)
addPrimitive(JSObject_properties, OBJPROPS)
addPrimitive(BoxedUnit_UNIT, UNITVAL)
addPrimitive(BoxedUnit_TYPE, UNITTYPE)
addPrimitive(getMember(RuntimePackageModule,
newTermName("environmentInfo")), ENV_INFO)
}
def isJavaScriptPrimitive(code: Int) =
code >= 300 && code < 360
}
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