[GROOVY-6069] Compilation error occurs in some cases that calling extension modules that are installed via Grape.

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Not A Problem
• Environment: Groovy Version: 2.1.1 JVM: 1.7.0_17 Vendor: Oracle Corporation OS: Mac OS X
• Assignee: Unassigned
• Reporter: Masato Nagai
• Created: 27/Mar/13 03:37
• Updated: 12/Apr/13 16:55
• Resolved: 27/Mar/13 16:44

Description

Compilation error occurs in some cases that calling extension modules that are installed via Grape.

In my case is "benchmark" extension of GBench:
https://code.google.com/p/gbench/source/browse/src/main/META-INF/services/org.codehaus.groovy.runtime.ExtensionModule

Case 1:

// bench.groovy
@Grab('com.googlecode.gbench:gbench:0.4.2-groovy-2.1')

benchmark {
  "do nothing" {}
}.prettyPrint()

fails with

org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
bench.groovy: 3: unexpected token: benchmark @ line 3, column 1.
   benchmark {
   ^

1 error

Case 2:

@Grab('com.googlecode.gbench:gbench:0.4.2-groovy-2.1')

{ ->
  "do nothing" {}
}.benchmark().prettyPrint()

fails with

org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
3: unexpected token: { @ line 3, column 1.
   { ->
   ^

1 error

but it succeed when not using Grape too.

Case 3:

@Grab('com.googlecode.gbench:gbench:0.4.2-groovy-2.1')

def c = {
  "do nothing" {}
}
c.benchmark().prettyPrint()

fails with

Caught: org.codehaus.groovy.runtime.metaclass.MethodSelectionException: Could not find which method benchmark() to invoke from this list:
  public static groovyx.gbench.BenchmarkList java.lang.Object#benchmark(groovy.lang.Closure)
  public static groovyx.gbench.BenchmarkList java.lang.Object#benchmark(java.util.Map, groovy.lang.Closure)
org.codehaus.groovy.runtime.metaclass.MethodSelectionException: Could not find which method benchmark() to invoke from this list:
  public static groovyx.gbench.BenchmarkList java.lang.Object#benchmark(groovy.lang.Closure)
  public static groovyx.gbench.BenchmarkList java.lang.Object#benchmark(java.util.Map, groovy.lang.Closure)
  at bench.run(bench.groovy:6)

but all the code succeed when not using Grape:

groovy -cp gbench-0.4.2-groovy-2.1.jar bench.groovy

and these code also succeed even when using Grape:

def c = {
  "do nothing" {}
}
benchmark(c).prettyPrint()

def r = benchmark {
  "do nothing" {}
}

r.prettyPrint()