hydraql.shaded.fastjson2.internal.asm.MethodCollector Maven / Gradle / Ivy
The newest version!
package hydraql.shaded.fastjson2.internal.asm;
/**
* Created by wenshao on 05/08/2017.
*/
public class MethodCollector {
private final int paramCount;
private final int ignoreCount;
private int currentParameter;
private final StringBuilder result;
protected boolean debugInfoPresent;
protected MethodCollector(int ignoreCount, int paramCount) {
this.ignoreCount = ignoreCount;
this.paramCount = paramCount;
this.result = new StringBuilder();
this.currentParameter = 0;
// if there are 0 parameters, there is no need for debug info
this.debugInfoPresent = paramCount == 0;
}
protected void visitLocalVariable(String name, int index) {
if (index >= ignoreCount && index < ignoreCount + paramCount) {
if (!name.equals("arg" + currentParameter)) {
debugInfoPresent = true;
}
result.append(',');
result.append(name);
currentParameter++;
}
}
protected String getResult() {
return result.length() != 0 ? result.substring(1) : "";
}
}