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Posted to notifications@groovy.apache.org by "Thodoris Sotiropoulos (Jira)" <ji...@apache.org> on 2021/04/12 11:57:00 UTC
[jira] [Created] (GROOVY-10033) Compiler crash when encountering
function reference on nested class
Thodoris Sotiropoulos created GROOVY-10033:
----------------------------------------------
Summary: Compiler crash when encountering function reference on nested class
Key: GROOVY-10033
URL: https://issues.apache.org/jira/browse/GROOVY-10033
Project: Groovy
Issue Type: Bug
Components: Static compilation
Reporter: Thodoris Sotiropoulos
The following program
{code:java}
class Foo {
protected Foo(Closure x) {}
}
class Bar {
Bar(Foo x) {}
}
public class X extends Foo {
public X() {
super(Y::new);
}
private class Y extends Bar {
Y(Foo x) {
super(x);
}
}
}
{code}
crashes the compiler with a NullPointerException
{code:java}
org.codehaus.groovy.control.MultipleCompilationErrorsException: startup failed:
General error during instruction selection: NullPointerException while processing test.groovy. test.groovygroovy.lang.GroovyRuntimeException: NullPointerException while processing test.groovy. test.groovy
at org.codehaus.groovy.classgen.AsmClassGenerator.visitClass(AsmClassGenerator.java:348)
at org.codehaus.groovy.control.CompilationUnit$3.call(CompilationUnit.java:783)
at org.codehaus.groovy.control.CompilationUnit$IPrimaryClassNodeOperation.doPhaseOperation(CompilationUnit.java:928)
at org.codehaus.groovy.control.CompilationUnit.processPhaseOperations(CompilationUnit.java:657)
at org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:634)
at org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:609)
at org.codehaus.groovy.tools.FileSystemCompiler.compile(FileSystemCompiler.java:311)
at org.codehaus.groovy.tools.FileSystemCompiler.doCompilation(FileSystemCompiler.java:240)
at org.codehaus.groovy.tools.FileSystemCompiler.commandLineCompile(FileSystemCompiler.java:165)
at org.codehaus.groovy.tools.FileSystemCompiler.commandLineCompileWithErrorHandling(FileSystemCompiler.java:205)
at org.codehaus.groovy.tools.FileSystemCompiler.main(FileSystemCompiler.java:189)
Caused by: java.lang.NullPointerException
at org.codehaus.groovy.classgen.asm.sc.StaticTypesMethodReferenceExpressionWriter.createParametersWithExactType(StaticTypesMethodReferenceExpressionWriter.java:255)
at org.codehaus.groovy.classgen.asm.sc.StaticTypesMethodReferenceExpressionWriter.writeMethodReferenceExpression(StaticTypesMethodReferenceExpressionWriter.java:97)
at org.codehaus.groovy.classgen.AsmClassGenerator.visitMethodReferenceExpression(AsmClassGenerator.java:844)
at org.codehaus.groovy.ast.expr.MethodReferenceExpression.visit(MethodReferenceExpression.java:34)
at org.codehaus.groovy.classgen.asm.sc.StaticInvocationWriter.visitArgument(StaticInvocationWriter.java:517)
at org.codehaus.groovy.classgen.asm.sc.StaticInvocationWriter.loadArguments(StaticInvocationWriter.java:464)
at org.codehaus.groovy.classgen.asm.sc.StaticInvocationWriter.writeSpecialConstructorCall(StaticInvocationWriter.java:212)
at org.codehaus.groovy.classgen.AsmClassGenerator.visitConstructorCallExpression(AsmClassGenerator.java:917)
at org.codehaus.groovy.ast.expr.ConstructorCallExpression.visit(ConstructorCallExpression.java:45)
at org.codehaus.groovy.classgen.asm.StatementWriter.writeExpressionStatement(StatementWriter.java:602)
at org.codehaus.groovy.classgen.AsmClassGenerator.visitExpressionStatement(AsmClassGenerator.java:744)
at org.codehaus.groovy.ast.stmt.ExpressionStatement.visit(ExpressionStatement.java:41)
at org.codehaus.groovy.classgen.asm.StatementWriter.writeBlockStatement(StatementWriter.java:92)
at org.codehaus.groovy.classgen.asm.sc.StaticTypesStatementWriter.writeBlockStatement(StaticTypesStatementWriter.java:78)
at org.codehaus.groovy.classgen.AsmClassGenerator.visitBlockStatement(AsmClassGenerator.java:675)
at org.codehaus.groovy.ast.stmt.BlockStatement.visit(BlockStatement.java:70)
at org.codehaus.groovy.classgen.AsmClassGenerator.visitStdMethod(AsmClassGenerator.java:516)
at org.codehaus.groovy.classgen.AsmClassGenerator.visitConstructorOrMethod(AsmClassGenerator.java:461)
at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitConstructor(ClassCodeVisitorSupport.java:101)
at org.codehaus.groovy.classgen.AsmClassGenerator.visitConstructor(AsmClassGenerator.java:608)
at org.codehaus.groovy.ast.ClassNode.visitContents(ClassNode.java:1097)
at org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitClass(ClassCodeVisitorSupport.java:52)
at org.codehaus.groovy.classgen.AsmClassGenerator.visitClass(AsmClassGenerator.java:325)
... 10 more1 error
{code}
Tested against https://github.com/apache/groovy/commit/e64215983ea4b7c277eb01a1ed3fcac43976be9c
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