Method emitArrayPattern

compiler_expr.go:3388–3415

(pattern *ast.ArrayPattern, emitAssign func(target, init compiledExpr), putOnStack bool)

}

func (c *compiler) emitArrayPattern(pattern *ast.ArrayPattern, emitAssign func(target, init compiledExpr), putOnStack bool) {
	c.emit(iterate)
	for _, elt := range pattern.Elements {
		switch elt := elt.(type) {
		case nil:
			c.emit(iterGetNextOrUndef{}, pop)
		case *ast.AssignExpression:
			c.emitAssign(elt.Left, c.compilePatternInitExpr(func() {
				c.emit(iterGetNextOrUndef{})
			}, elt.Right, elt.Idx0()), emitAssign)
		default:
			c.emitAssign(elt, c.compileEmitterExpr(func() {
				c.emit(iterGetNextOrUndef{})
			}, elt.Idx0()), emitAssign)
		}
	}
	if pattern.Rest != nil {
		c.emitAssign(pattern.Rest, c.compileEmitterExpr(func() {
			c.emit(newArrayFromIter)
		}, pattern.Rest.Idx0()), emitAssign)
	} else {
		c.emit(enumPopClose)
	}

	if !putOnStack {
		c.emit(pop)
	}
}

func (e *compiledObjectAssignmentPattern) emitSetter(valueExpr compiledExpr, putOnStack bool) {
	valueExpr.emitGetter(true)