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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.container.plugin.classanalysis;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.signature.SignatureReader;
import org.objectweb.asm.signature.SignatureVisitor;
import java.util.HashSet;
import java.util.Set;
/**
* @author Tony Vaagenes
* @author ollivir
*/
class AnalyzeSignatureVisitor extends SignatureVisitor implements ImportCollector {
private final AnalyzeClassVisitor analyzeClassVisitor;
private final Set<String> imports = new HashSet<>();
AnalyzeSignatureVisitor(AnalyzeClassVisitor analyzeClassVisitor) {
super(Opcodes.ASM9);
this.analyzeClassVisitor = analyzeClassVisitor;
}
public Set<String> imports() {
return imports;
}
@Override
public void visitEnd() {
super.visitEnd();
analyzeClassVisitor.addImports(imports);
}
@Override
public void visitClassType(String className) {
addImportWithInternalName(className);
}
@Override
public void visitFormalTypeParameter(String name) {
}
@Override
public SignatureVisitor visitClassBound() {
return this;
}
@Override
public SignatureVisitor visitInterfaceBound() {
return this;
}
@Override
public SignatureVisitor visitSuperclass() {
return this;
}
@Override
public SignatureVisitor visitInterface() {
return this;
}
@Override
public SignatureVisitor visitParameterType() {
return this;
}
@Override
public SignatureVisitor visitReturnType() {
return this;
}
@Override
public SignatureVisitor visitExceptionType() {
return this;
}
@Override
public void visitBaseType(char descriptor) {
}
@Override
public void visitTypeVariable(String name) {
}
@Override
public SignatureVisitor visitArrayType() {
return this;
}
@Override
public void visitInnerClassType(String name) {
}
@Override
public void visitTypeArgument() {
}
@Override
public SignatureVisitor visitTypeArgument(char wildcard) {
return this;
}
static void analyzeClass(String signature, AnalyzeClassVisitor analyzeClassVisitor) {
if (signature != null) {
new SignatureReader(signature).accept(new AnalyzeSignatureVisitor(analyzeClassVisitor));
}
}
static void analyzeMethod(String signature, AnalyzeClassVisitor analyzeClassVisitor) {
analyzeClass(signature, analyzeClassVisitor);
}
static void analyzeField(String signature, AnalyzeClassVisitor analyzeClassVisitor) {
if (signature != null)
new SignatureReader(signature).acceptType(new AnalyzeSignatureVisitor(analyzeClassVisitor));
}
}
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