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From C├ędric Champeau <cedric.champ...@gmail.com>
Subject Possible bug in AstBuilder Antlr4
Date Wed, 23 May 2018 06:25:38 GMT
Hi Daniel,

I think I have found a bug in the antlr4 AstBuilder class.

Add this line:

import groovy.transform.CompileStatic

before this one in a GString template:
https://github.com/melix/groovy-core/blob/d9656842908acb403599cf574f509aea2737be47/subprojects/groovy-groovydoc/src/main/resources/org/codehaus/groovy/tools/groovydoc/gstringTemplates/classLevel/classDocName.html#L27

And run GroovyDocToolTest. Some tests will fail with:

java.lang.ClassCastException: org.codehaus.groovy.ast.ImportNode cannot be
cast to org.codehaus.groovy.ast.stmt.Statement
    at
org.apache.groovy.parser.antlr4.AstBuilder.visitBlockStatement(AstBuilder.java:4074)
    at
java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
    at
java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1382)
    at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481)
    at
java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471)
    at
java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
    at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
    at
java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499)
    at
org.apache.groovy.parser.antlr4.AstBuilder.visitBlockStatements(AstBuilder.java:4058)
    at
org.apache.groovy.parser.antlr4.AstBuilder.visitBlockStatementsOpt(AstBuilder.java:4045)
    at
org.apache.groovy.parser.antlr4.AstBuilder.visitClosure(AstBuilder.java:3715)
    at
org.apache.groovy.parser.antlr4.AstBuilder.visitClosurePrmrAlt(AstBuilder.java:3120)
    at
org.apache.groovy.parser.antlr4.AstBuilder.visitClosurePrmrAlt(AstBuilder.java:356)

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