Created
March 1, 2012 16:42
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Add local AST transformation to a method
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import org.codehaus.groovy.control.CompilerConfiguration | |
import org.codehaus.groovy.control.customizers.CompilationCustomizer | |
import org.codehaus.groovy.control.CompilePhase | |
import groovy.transform.CompileStatic | |
import org.codehaus.groovy.ast.AnnotationNode | |
import org.codehaus.groovy.ast.ClassHelper | |
import org.codehaus.groovy.ast.ClassNode | |
import org.codehaus.groovy.transform.sc.StaticCompileTransformation | |
def config = new CompilerConfiguration() | |
config.addCompilationCustomizers(new ASTTransformationInjector()) | |
def shell = new GroovyShell(config) | |
shell.evaluate ''' | |
void foo() { 1 + new Object()} | |
''' | |
class ASTTransformationInjector extends CompilationCustomizer { | |
private static final ClassNode COMPILESTATIC_CLASSNODE = ClassHelper.make(CompileStatic) | |
ASTTransformationInjector() { | |
super(CompilePhase.CANONICALIZATION) | |
} | |
@Override | |
void call(final org.codehaus.groovy.control.SourceUnit source, final org.codehaus.groovy.classgen.GeneratorContext context, final org.codehaus.groovy.ast.ClassNode classNode) { | |
classNode.getMethods('foo').each { mn -> | |
AnnotationNode an = new AnnotationNode(COMPILESTATIC_CLASSNODE) | |
mn.addAnnotation(an) | |
classNode.addTransform(StaticCompileTransformation, an) | |
} | |
} | |
} |
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