TACC
TACC(Token and AST-based Code Clone Detector) is an effective code clone detection tool that can scale to big code.
The overall process of TACC can be shown in the figure below.
Requirements
- JDK 8+
- Txl (Installation address:
https://www.txl.ca/)
Install & Usage
- Clone this repository (
git clone https://github.com/TACC-Code/TACC) - Move into TACC's directory (
cd TACC) - Run TACC (
java -jar TACC.jar [options]orjavac Main.java && java Main [options]) - Get two result files
- allFunctionMap.csv, the format is
[function_index, file_path, start_line, end_line]. - Clone detect results of different groups are stored separately and named by group number, the format is
[function_index_A, function_index_B]
- allFunctionMap.csv, the format is
Options
| Name | Description | Default |
|---|---|---|
-input |
Input source directory. You must specify the target dir. | None |
-N |
N for N-Lines. | 3 |
-partition |
The number of partitions. | 10 |
-output |
Output file directory. | current directory |
-thread |
The number of threads used for parallel execution (both the Preprocess and Clone detection phases) | 10 |
-fs |
N-line seed filter score. | 0.1 |
-tvs |
Token based verify score. | 0.5 |
-nnavs |
Not need ast verify score. | 0.7 |
-atvs |
AST two verify score. | 0.65 |
-afvs |
AST four verify score. | 0.85 |