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Label extractors

The label extractor module defines the logic of assigning labels to each AST. The selected label type also defines the granularity level of label extraction for the whole pipeline. Currently, 3 types of labels are supported. You can specify only one.

Label extractor config classes are defined in LabelExtractorConfigs.kt.

file name

granularity: files

Use the file name of the source file as a label.

name: file name

folder name

granularity: files

Use the name of the parent folder of the source file as a label. May be useful for code classification datasets, e.g., POJ-104.

name: folder name

function name

granularity: functions

Use the name of each function as a label.

name: function name

If a function name is used as the label, the module additionally processes the AST to avoid data leaks. It looks for all recursive calls of this function and replaces the function name in the token value of the respective vertices with METHOD_NAME.