Variable Name: args
Variable Type: java.util.LinkedList
Variable Value: [9]
Question: Given the following data structure:
java.util.LinkedList:{int size;java.util.LinkedList$Node first:{java.lang.Object item;java.util.LinkedList$Node next:{java.lang.Object item;java.util.LinkedList$Node next;java.util.LinkedList$Node prev;};java.util.LinkedList$Node prev;};java.util.LinkedList$Node last:{java.lang.Object item;java.util.LinkedList$Node next;java.util.LinkedList$Node prev;};int modCount;}
with the input value of executing ```return args;```, we have the value of *args* of type `java.util.LinkedList`, value "[9]", strictly return in JSON format for *args* as the above example, each key must has a value and a type. The JSON object must start with variable *args* as the root. Do not include explanation in your response.
You must follow the JSON format as "var_name|var_type": var_value. Do not include duplicate keys. Do not include extra characters like `\t`, `\n` or `\r`. You must infer all var_value.
Excepted result:
```json
{"stack:java.util.LinkedList":{"modCount:int":"9","size:int":"1","first:java.util.LinkedList$Node":{"item:java.lang.Integer":"9","next:class java.util.LinkedList$Node":"null","prev:class java.util.LinkedList$Node":"null"},"last:java.util.LinkedList$Node":{"item:java.lang.Integer":"9","next:class java.util.LinkedList$Node":"null","prev:class java.util.LinkedList$Node":"null"}}}
```
LLM output: same as excepted result
The following examples will omit the Question part and focus on the reasons for the failed examples and the output results. If you want to know more about prompt, you can check it out in Approach.
Variable name: map
Variable type: java.util.HashMap
Variable value: {r=1, t=1, e=2}
Excepted result:
{"map|java.util.HashMap":{"values|interface java.util.Collection":"null","modCount|int":"3","threshold|int":"12","keySet|interface java.util.Set":"null","size|int":"3","table|java.util.HashMap$Node[]":"[null, null, r=1, null, t=1, e=2, null, null, null, null, null, null, null, null, null, null]","entrySet|java.util.HashMap$EntrySet":{"this$0|java.util.HashMap":{"size|int":"3","table|java.util.HashMap$Node[]":["null","null","r=1","null","t=1","e=2","null","null","null","null","null","null","null","null","null","null"],"entrySet|java.util.HashMap$EntrySet":"[r=1, t=1, e=2]"}}}}
LLM output:
{"map|java.util.HashMap":{"modCount|int":"0","threshold|int":"4","size|int":"3","table|java.util.HashMap$Node[]":["null","null","r=1","null","t=1","e=2","null","null","null","null","null","null","null","null"]}
In this case, the reason for LLM cannot success infer variable expension is because the data structure is too complex, but the information provided is insufficient. For example in “java.util.HashMap”, LLM don’t know the internal structure of “entrySet” and “keySet”.
Code: String token = (String) iter.next();
Variables involved:
`iter` is of type `java.util.AbstractList$Itr`, of runtime value "{cursor=0, lastRet=-1, expectedModCount=0, this$0=[--zop==1, -abtoast, --b=bar], }"
Target field: iter.cursor:int
Expected result: True
LLM output: True
Code: ans.append(ca == 1 ? ca : "");
Variables:
`ca` is of type `int`, of runtime value "1"
`ans` is of type `java.lang.StringBuilder`, of runtime value "00"
Target field: ans.value.value[1]
Expected result: False
LLM output: True
In this case, the reason for LLM cannot success infer the data definition is because it ignore the runtime value of variables involved in current step.The value of the variable **ans** was overlooked. The value at index 1 in **ans** already exists, and the **append** function does not change the value at that position.
Code: StringBuilder temp = new StringBuilder(stringStack.pop());
Variables:
`stringStack` is of type `java.util.ArrayDeque`, of runtime value "[aaa]"
Target field: stringStack.elements.elements[15]
Expected result: True
LLM output: False
In this case, the reason for LLM cannot success infer the data definition is because it ignore the expansion of variables, thus missing some key information. The expansion form of the variable **stringStack** contains: "elements|java.lang.String[]":["null","null","null","null","null","null","null","null","null","null","null","null","null","null","null","aaa"], and "head|int":"15“, showing that **pop** will change the value of elements[15].