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print diagnose verbose using java style descriptor

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金戟 2021-03-02 23:18:27 +08:00
parent 1ff6ec5961
commit 196dffc73d
3 changed files with 79 additions and 1 deletions
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1
testable-agent/src/main/java/com/alibaba/testable/agent/constant/ByteCodeConst.java
View File

@ -14,6 +14,7 @@ public class ByteCodeConst {
public static final byte TYPE_VOID = 'V'; public static final byte TYPE_VOID = 'V';
public static final byte PARAM_END = ')'; public static final byte PARAM_END = ')';
public static final byte CLASS_END = ';'; public static final byte CLASS_END = ';';
public static final byte PKG_SEGMENT = '/';
public static final byte TYPE_ARRAY = '['; public static final byte TYPE_ARRAY = '[';
} }

68
testable-agent/src/main/java/com/alibaba/testable/agent/util/MethodUtil.java
View File

@ -137,6 +137,72 @@ public class MethodUtil {
* @return java style descriptor * @return java style descriptor
*/ */
private static String toJavaParameterDesc(String desc) { private static String toJavaParameterDesc(String desc) {
return desc; if (desc.isEmpty()) {
return "";
}
StringBuilder sb = new StringBuilder();
boolean isArray = false;
boolean isTravellingClass = false;
for (byte b : desc.getBytes()) {
if (isTravellingClass) {
switch (b) {
case CLASS_END:
sb.append(isArray ? "[]" : "");
isArray = false;
isTravellingClass = false;
break;
case PKG_SEGMENT:
sb.append('.');
break;
default:
sb.append((char)b);
}
} else {
switch (b) {
case TYPE_ARRAY:
isArray = true;
break;
case TYPE_BYTE:
sb.append(",byte").append(isArray ? "[]" : "");
isArray = false;
break;
case TYPE_CHAR:
sb.append(",char").append(isArray ? "[]" : "");
isArray = false;
break;
case TYPE_DOUBLE:
sb.append(",double").append(isArray ? "[]" : "");
isArray = false;
break;
case TYPE_FLOAT:
sb.append(",float").append(isArray ? "[]" : "");
isArray = false;
break;
case TYPE_INT:
sb.append(",int").append(isArray ? "[]" : "");
isArray = false;
break;
case TYPE_LONG:
sb.append(",long").append(isArray ? "[]" : "");
isArray = false;
break;
case TYPE_SHORT:
sb.append(",short").append(isArray ? "[]" : "");
isArray = false;
break;
case TYPE_BOOL:
sb.append(",boolean").append(isArray ? "[]" : "");
isArray = false;
break;
case TYPE_CLASS:
sb.append(",");
isTravellingClass = true;
break;
default:
break;
}
}
}
return sb.substring(1);
} }
} }

11
testable-agent/src/test/java/com/alibaba/testable/agent/util/MethodUtilTest.java
View File

@ -1,5 +1,6 @@
package com.alibaba.testable.agent.util; package com.alibaba.testable.agent.util;
import com.alibaba.testable.core.accessor.PrivateAccessor;
import org.junit.jupiter.api.Test; import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals; import static org.junit.jupiter.api.Assertions.assertEquals;
@ -37,5 +38,15 @@ class MethodUtilTest {
assertEquals("", MethodUtil.getFirstParameter("()V")); assertEquals("", MethodUtil.getFirstParameter("()V"));
} }
@Test
void should_able_to_convert_bytecode_parameters() {
assertEquals("", PrivateAccessor.invokeStatic(MethodUtil.class, "toJavaParameterDesc", ""));
assertEquals("char", PrivateAccessor.invokeStatic(MethodUtil.class, "toJavaParameterDesc", "C"));
assertEquals("int,long", PrivateAccessor.invokeStatic(MethodUtil.class, "toJavaParameterDesc", "IJ"));
assertEquals("int[],long[]", PrivateAccessor.invokeStatic(MethodUtil.class, "toJavaParameterDesc", "[I[J"));
assertEquals("int,java.lang.String", PrivateAccessor.invokeStatic(MethodUtil.class, "toJavaParameterDesc", "ILjava/lang/String;"));
assertEquals("java.lang.String,int,long[]", PrivateAccessor.invokeStatic(MethodUtil.class, "toJavaParameterDesc", "Ljava/lang/String;I[J"));
}
} }