mgroovy created GROOVY-9966:
-------------------------------
Summary: Build Error: StringIndexOutOfBoundsException when the
stars align...
Key: GROOVY-9966
URL: https://issues.apache.org/jira/browse/GROOVY-9966
Project: Groovy
Issue Type: Bug
Components: Compiler
Affects Versions: 3.0.7
Environment: Windows 10
jdk-11.0.10.9-hotspot
IntelliJ 2020.3.2
Reporter: mgroovy
*Problem*
Executing the test from the sample below throws:
{code:java}
Groovyc: While compiling [tests of GroovySimple]:
java.lang.StringIndexOutOfBoundsException: String index out of range: -1
at java.base/java.lang.String.substring(String.java:1841)
at org.apache.groovy.util.BeanUtils.capitalize(BeanUtils.java:54)
at
org.codehaus.groovy.control.StaticImportVisitor.getAccessorName(StaticImportVisitor.java:519)
at
org.codehaus.groovy.control.StaticImportVisitor.findStaticPropertyAccessor(StaticImportVisitor.java:528)
at
org.codehaus.groovy.control.StaticImportVisitor.findStaticPropertyAccessorGivenArgs(StaticImportVisitor.java:524)
at
org.codehaus.groovy.control.StaticImportVisitor.findStaticMethodImportFromModule(StaticImportVisitor.java:505)
at
org.codehaus.groovy.control.StaticImportVisitor.transformPropertyExpression(StaticImportVisitor.java:384)
at
org.codehaus.groovy.control.StaticImportVisitor.transform(StaticImportVisitor.java:130)
at
org.codehaus.groovy.ast.ClassCodeExpressionTransformer.visitExpressionStatement(ClassCodeExpressionTransformer.java:108)
at
org.codehaus.groovy.ast.stmt.ExpressionStatement.visit(ExpressionStatement.java:40)
at
org.codehaus.groovy.ast.CodeVisitorSupport.visitBlockStatement(CodeVisitorSupport.java:86)
at
org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitBlockStatement(ClassCodeVisitorSupport.java:164)
at
org.codehaus.groovy.ast.stmt.BlockStatement.visit(BlockStatement.java:69)
at
org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitClassCodeContainer(ClassCodeVisitorSupport.java:138)
at
org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitConstructorOrMethod(ClassCodeVisitorSupport.java:111)
at
org.codehaus.groovy.ast.ClassCodeExpressionTransformer.visitConstructorOrMethod(ClassCodeExpressionTransformer.java:66)
at
org.codehaus.groovy.control.StaticImportVisitor.visitConstructorOrMethod(StaticImportVisitor.java:108)
at
org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitMethod(ClassCodeVisitorSupport.java:106)
at org.codehaus.groovy.ast.ClassNode.visitMethods(ClassNode.java:1099)
at org.codehaus.groovy.ast.ClassNode.visitContents(ClassNode.java:1092)
at
org.codehaus.groovy.ast.ClassCodeVisitorSupport.visitClass(ClassCodeVisitorSupport.java:52)
at
org.codehaus.groovy.control.CompilationUnit.lambda$addPhaseOperations$3(CompilationUnit.java:209)
at
org.codehaus.groovy.control.CompilationUnit$IPrimaryClassNodeOperation.doPhaseOperation(CompilationUnit.java:942)
at
org.codehaus.groovy.control.CompilationUnit.processPhaseOperations(CompilationUnit.java:671)
at
org.codehaus.groovy.control.CompilationUnit.compile(CompilationUnit.java:635)
at
org.jetbrains.groovy.compiler.rt.GroovyCompilerWrapper.compile(GroovyCompilerWrapper.java:48)
at
org.jetbrains.groovy.compiler.rt.DependentGroovycRunner.runGroovyc(DependentGroovycRunner.java:118)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at
org.jetbrains.groovy.compiler.rt.GroovycRunner.intMain2(GroovycRunner.java:81)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at
org.jetbrains.jps.incremental.groovy.InProcessGroovyc.runGroovycInThisProcess(InProcessGroovyc.java:167)
at
org.jetbrains.jps.incremental.groovy.InProcessGroovyc.lambda$runGroovyc$0(InProcessGroovyc.java:77)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:834)
{code}
It seems to be the result of the following three things coming together in the
code:
# any static star-import (also unused)
# dynamically accessing the result of any method...
# ...which is passed a GString literal with an embedded variable at its end
*Expected*
Code should compile.
*Sample Code*
{code:java}
import org.junit.Ignore
import org.junit.Test
import static java.util.Arrays.* // any static star-import
class Groovy3Bugs_2021_03_04 {
@Test
@Ignore
void 'Groovy 3-0-7 StringIndexOutOfBoundsException build error'() {
//final someVarThatComesLastInGstring = 'any text'
final someVarThatComesLastInGstring = 123.456 // Type of var
irrelevant
someMethod("$someVarThatComesLastInGstring").whatever // Groovy
3.0.7: java.lang.StringIndexOutOfBoundsException: String index out of range: -1
}
Object someMethod(def x) { x }
}
{code}
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