Class Disassembler

UnLuac/src/unluac/decompile/Disassembler.java:10–152

import unluac.util.StringUtils;

public class Disassembler {

  private final LFunction function;
  private final Code code;
  private final String name;
  private final String parent;
  
  public Disassembler(LFunction function) {
    this(function, "main", null);
  }
  
  private Disassembler(LFunction function, String name, String parent) {
    this.function = function;
    this.code = new Code(function);
    this.name = name;
    this.parent = parent;
  }
  
  public void disassemble(Output out) {
    disassemble(out, 0, 0);
  }
  
  private void disassemble(Output out, int level, int index) {
    if(parent == null) {
      out.println(".version\t" + function.header.version.getName());
      out.println();
      
      for(Directive directive : function.header.lheader_type.get_directives()) {
        directive.disassemble(out, function.header, function.header.lheader);
      }
      out.println();
      
      if(function.header.opmap != function.header.version.getOpcodeMap()) {
        OpcodeMap opmap = function.header.opmap;
        for(int opcode = 0; opcode < opmap.size(); opcode++) {
          Op op = opmap.get(opcode);
          if(op != null) {
            out.println(Directive.OP.token + "\t" + opcode + "\t" + op.name);
          }
        }
        out.println();
      }
    }
    
    String fullname;
    if(parent == null) {
      fullname = name;
    } else {
      fullname = parent + "/" + name;
    }
    out.println(".function\t" + fullname);
    out.println();
    
    for(Directive directive : function.header.function.get_directives()) {
      directive.disassemble(out, function.header, function);
    }
    out.println();