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Add utility to get the entire program instead of the first class #18

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merged 1 commit into from
Apr 12, 2021
Merged

Add utility to get the entire program instead of the first class #18

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23 changes: 22 additions & 1 deletion src/main/java/com/diffmin/App.java
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Original file line number Diff line number Diff line change
Expand Up @@ -7,12 +7,16 @@
import gumtree.spoon.diff.operations.Operation;
import gumtree.spoon.diff.operations.OperationKind;
import java.io.File;
import java.io.FileNotFoundException;
import java.util.ArrayList;
import java.util.List;
import spoon.Launcher;
import spoon.compiler.SpoonResource;
import spoon.compiler.SpoonResourceHelper;
import spoon.reflect.CtModel;
import spoon.reflect.declaration.CtCompilationUnit;
import spoon.reflect.declaration.CtElement;
import spoon.reflect.declaration.CtPackage;
import spoon.reflect.declaration.CtType;

/**
Expand All @@ -35,6 +39,21 @@ public App(String prevFilePath) {
modelToBeModified = launcher.buildModel();
}

/**
* Returns the root package of the file.
*
* @param file File whose all {@link CtPackage} needs to returned
* @return Root package of the file
* @throws FileNotFoundException Exception raise via {@link SpoonResourceHelper}
*/
public CtPackage getPackage(File file) throws FileNotFoundException {
final SpoonResource resource = SpoonResourceHelper.createResource(file);
final Launcher launcher = new Launcher();
launcher.addInputResource(resource);
CtModel model = launcher.buildModel();
return model.getRootPackage();
}

/**
* Computes the list of operations which is used for patching `f2`.
*
Expand All @@ -44,7 +63,9 @@ public App(String prevFilePath) {
* @throws Exception Exception raised via {@link AstComparator}
*/
public List<Operation> getOperations(File prevFile, File newFile) throws Exception {
return new AstComparator().compare(prevFile, newFile).getRootOperations();
CtElement prevPackage = getPackage(prevFile);
CtElement newPackage = getPackage(newFile);
return new AstComparator().compare(prevPackage, newPackage).getRootOperations();
}

/**
Expand Down