Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

[toolbox] Cannot invoke Java vararg constructor #9212

Closed
scabug opened this issue Mar 11, 2015 · 3 comments
Closed

[toolbox] Cannot invoke Java vararg constructor #9212

scabug opened this issue Mar 11, 2015 · 3 comments
Assignees
@retronym
Milestone
2.11.7

Comments

@scabug
Copy link

scabug commented Mar 11, 2015 •
edited by retronym 

// JavaVarArg.java
package debug;

public class JavaVarArg {
	private Integer[] args;
	
	public JavaVarArg(Integer... args) {
		this.args = args;
	}
	
	public String toString() {
		return "JavaVarArg(" + java.util.Arrays.toString(args) + ")";
	}
}
> console                                                                                                             
[info] Starting scala interpreter...                                                                                  
[info]                                                                                                                
import scala.reflect.runtime.universe._                                                                               
import scala.tools.reflect.ToolBox                                                                                    
toolbox: scala.tools.reflect.ToolBox[reflect.runtime.universe.type] = scala.tools.reflect.ToolBoxFactory$ToolBoxImpl@1
535688c                                                                                                               
Welcome to Scala version 2.11.4 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_25).                                   
Type in expressions to have them evaluated.                                                                           
Type :help for more information.                                                                                      
                                                                                                                      
scala> toolbox.typecheck(toolbox.parse("new debug.JavaVarArg(1)"))                                                    
scala.tools.reflect.ToolBoxError: reflective typecheck has failed: type mismatch;                                     
 found   : Int(1)                                                                                                     
 required: Array[Integer]                                                                                             
  at scala.tools.reflect.ToolBoxFactory$ToolBoxImpl$ToolBoxGlobal$$anonfun$typecheck$1.apply(ToolBoxFactory.scala:178)
  at scala.tools.reflect.ToolBoxFactory$ToolBoxImpl$ToolBoxGlobal$$anonfun$typecheck$1.apply(ToolBoxFactory.scala:170)
  at scala.tools.reflect.ToolBoxFactory$ToolBoxImpl$ToolBoxGlobal$$anonfun$transformDuringTyper$1$$anonfun$11.apply(ToolBoxFactory.scala:148)
  at scala.tools.reflect.ToolBoxFactory$ToolBoxImpl$ToolBoxGlobal$$anonfun$transformDuringTyper$1$$anonfun$11.apply(ToolBoxFactory.scala:148)
  at scala.tools.reflect.ToolBoxFactory$ToolBoxImpl$ToolBoxGlobal$$anonfun$transformDuringTyper$1$$anonfun$9.apply(ToolBoxFactory.scala:138)
  at scala.tools.reflect.ToolBoxFactory$ToolBoxImpl$ToolBoxGlobal$$anonfun$transformDuringTyper$1$$anonfun$9.apply(ToolBoxFactory.scala:138)
  at scala.tools.reflect.ToolBoxFactory$ToolBoxImpl$ToolBoxGlobal$$anonfun$transformDuringTyper$1$$anonfun$withContext$1$1.apply(ToolBoxFactory.scala:139)
  at scala.tools.reflect.ToolBoxFactory$ToolBoxImpl$ToolBoxGlobal$$anonfun$transformDuringTyper$1$$anonfun$withContext$1$1.apply(ToolBoxFactory.scala:139)
  at scala.tools.reflect.ToolBoxFactory$ToolBoxImpl$ToolBoxGlobal$$anonfun$transformDuringTyper$1$$anonfun$7.apply(ToolBoxFactory.scala:137)
  at scala.tools.reflect.ToolBoxFactory$ToolBoxImpl$ToolBoxGlobal$$anonfun$transformDuringTyper$1$$anonfun$7.apply(ToolBoxFactory.scala:137)
  at scala.tools.reflect.ToolBoxFactory$ToolBoxImpl$ToolBoxGlobal$$anonfun$transformDuringTyper$1.apply(ToolBoxFactory.scala:148)
  at scala.tools.reflect.ToolBoxFactory$ToolBoxImpl$ToolBoxGlobal$$anonfun$transformDuringTyper$1.apply(ToolBoxFactory.scala:121)
  at scala.reflect.internal.Trees$class.wrappingIntoTerm(Trees.scala:1691)                                            
  at scala.reflect.internal.SymbolTable.wrappingIntoTerm(SymbolTable.scala:16)                                        
  at scala.tools.reflect.ToolBoxFactory$ToolBoxImpl$ToolBoxGlobal.withWrapping$1(ToolBoxFactory.scala:120)            
  at scala.tools.reflect.ToolBoxFactory$ToolBoxImpl$ToolBoxGlobal.transformDuringTyper(ToolBoxFactory.scala:121)      
  at scala.tools.reflect.ToolBoxFactory$ToolBoxImpl$ToolBoxGlobal.typecheck(ToolBoxFactory.scala:169)                 
  at scala.tools.reflect.ToolBoxFactory$ToolBoxImpl$$anonfun$typecheck$2.apply(ToolBoxFactory.scala:375)              
  at scala.tools.reflect.ToolBoxFactory$ToolBoxImpl$$anonfun$typecheck$2.apply(ToolBoxFactory.scala:367)              
  at scala.tools.reflect.ToolBoxFactory$ToolBoxImpl$withCompilerApi$.liftedTree2$1(ToolBoxFactory.scala:355)          
  at scala.tools.reflect.ToolBoxFactory$ToolBoxImpl$withCompilerApi$.apply(ToolBoxFactory.scala:355)                  
  at scala.tools.reflect.ToolBoxFactory$ToolBoxImpl.typecheck(ToolBoxFactory.scala:367)                               
  at scala.tools.reflect.ToolBoxFactory$ToolBoxImpl.typecheck(ToolBoxFactory.scala:27)                                
  ... 43 elided                                                                                                       
                                                                                                                      
scala>
@scabug
Copy link
Author

scabug commented Mar 11, 2015

Imported From: https://issues.scala-lang.org/browse/SI-9212?orig=1
Reporter: Jerzy Muller (keros)
Affected Versions: 2.11.4

@scabug
Copy link
Author

scabug commented Mar 11, 2015

Jerzy Muller (keros) said:
Standard java vararg methods works:

scala> toolbox.typecheck(toolbox.parse("java.util.Arrays.asList(1,2,3)"))
res2: toolbox.u.Tree = java.util.Arrays.asList[Int](1, 2, 3)

@scabug scabug closed this as completed Jun 17, 2015
@scabug
Copy link
Author

scabug commented Jun 19, 2015

@SethTisue said:
scala/scala#4545

@scabug scabug added this to the 2.11.7 milestone Apr 7, 2017
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Assignees

@retronym retronym

Labels
None yet
Projects
None yet
Milestone
2.11.7
Development

No branches or pull requests
2 participants
@retronym @scabug