/*
 *  Copyright (C) 2010-2016 JPEXS, All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3.0 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library.
 */
package com.jpexs.decompiler.flash.abc.avm2;

import com.jpexs.decompiler.flash.abc.ABC;
import com.jpexs.decompiler.flash.helpers.GraphTextWriter;
import com.jpexs.decompiler.graph.DottedChain;
import com.jpexs.decompiler.graph.model.LocalData;
import java.util.List;

/**
 *
 * @author JPEXS
 */
public class CodeStats {

    public int maxstack = 0;

    public int maxscope = 0;

    public int maxlocal = 1;

    public int initscope = 0;

    public boolean has_set_dxns = false;

    public boolean has_activation = false;

    public InstructionStats[] instructionStats;

    public GraphTextWriter toString(GraphTextWriter writer, ABC abc, List<DottedChain> fullyQualifiedNames) {
        writer.appendNoHilight("Stats: maxstack=" + maxstack + ", maxscope=" + maxscope + ", maxlocal=" + maxlocal).newLine();
        int i = 0;
        int ms = 0;
        for (InstructionStats stats : instructionStats) {
            int deltastack = stats.ins.definition.getStackDelta(stats.ins, abc);
            if (stats.stackpos > ms) {
                ms = stats.stackpos;
            }
            writer.appendNoHilight(i + ":" + stats.stackpos + (deltastack >= 0 ? "+" + deltastack : deltastack) + "," + stats.scopepos + "    " + stats.ins.toString(writer, LocalData.create(abc.constants, null, fullyQualifiedNames))).newLine();
            i++;
        }
        return writer;
    }

    public CodeStats(AVM2Code code) {
        instructionStats = new InstructionStats[code.code.size()];
        for (int i = 0; i < code.code.size(); i++) {
            instructionStats[i] = new InstructionStats(code.code.get(i));
        }
    }
}