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package vaporize.library;

import cs132.vapor.ast.*;
import st.*;
import misc.*;
import java.util.*;

public class CFGSimp<P, R> extends VInstr.VisitorPR<P, R, RuntimeException> {

    private ControlFlowGraph cfg;

    public CFGSimp(VFunction n) {
        this.cfg = new ControlFlowGraph();
        CFGNode start = new CFGNode(n.body[0]);
        this.cfg.setStart(start);

        // nodes
        for (VInstr s : n.body)
            this.cfg.addNode(new CFGNode(s));

        // edges
        for (VInstr s : n.body)
            s.accept("", this);

        System.out.println(this.cfg.getNodes().toString());
    }

    public ControlFlowGraph getCFG() {
        return this.cfg;
    }

    public R visit(P p, VMemRead n) throws RuntimeException {
        return null;
    }

    public R visit(P p, VMemWrite n) throws RuntimeException {
        return null;
    }

    public R visit(P p, VAssign n) throws RuntimeException {
        return null;
    }

    public R visit(P p, VBranch n) throws RuntimeException {
        // two edges
        return null;
    }

    public R visit(P p, VGoto n) throws RuntimeException {
        return null;
    }

    public R visit(P p, VCall n) throws RuntimeException {
        return null;
    }

    public R visit(P p, VBuiltIn n) throws RuntimeException {
        return null;
    }

    public R visit(P p, VReturn n) throws RuntimeException {
        return null;
    }

}