49 lines
1.4 KiB
Java
Executable file
49 lines
1.4 KiB
Java
Executable file
package grafos;
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import com.github.javaparser.ast.Node;
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import com.github.javaparser.ast.body.MethodDeclaration;
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import com.github.javaparser.ast.stmt.ExpressionStmt;
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import com.github.javaparser.ast.visitor.VoidVisitorAdapter;
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import java.util.Collections;
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import java.util.List;
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public class Visitador extends VoidVisitorAdapter<CFG> {
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//********************************************************/
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//********************** Atributos ***********************/
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//********************************************************/
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private List<Node> prevNode;
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//********************************************************/
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//*********************** Metodos ************************/
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//********************************************************/
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// Visitador de métodos
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// Este visitador añade el nodo final al CFG
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@Override
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public void visit(MethodDeclaration methodDeclaration, CFG graph) {
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prevNode = Collections.singletonList(graph.beginNode());
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// Visitamos el método
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super.visit(methodDeclaration, graph);
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// Añadimos el nodo final al CFG
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Node end = graph.endNode();
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for (Node n : prevNode)
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if (n != end)
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graph.connect(n, end);
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}
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// Visitador de expresiones
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// Cada expresión encontrada genera un nodo en el CFG
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@Override
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public void visit(ExpressionStmt es, CFG graph) {
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graph.addNode(es);
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graph.connect(prevNode, es);
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prevNode = Collections.singletonList((Node) es);
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// Seguimos visitando...
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super.visit(es, graph);
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}
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}
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