public void classToJava()

in src/org/jetbrains/java/decompiler/main/ClassWriter.java [236:361]
97 lines of code
31 McCabe index (conditional complexity)

  public void classToJava(ClassNode node, TextBuffer buffer, int indent, BytecodeMappingTracer tracer) {
    ClassNode outerNode = (ClassNode)DecompilerContext.getProperty(DecompilerContext.CURRENT_CLASS_NODE);
    DecompilerContext.setProperty(DecompilerContext.CURRENT_CLASS_NODE, node);

    int startLine = tracer != null ? tracer.getCurrentSourceLine() : 0;
    BytecodeMappingTracer dummy_tracer = new BytecodeMappingTracer(startLine);

    try {
      // last minute processing
      invokeProcessors(node);

      ClassWrapper wrapper = node.getWrapper();
      StructClass cl = wrapper.getClassStruct();

      DecompilerContext.getLogger().startWriteClass(cl.qualifiedName);

      // write class definition
      int start_class_def = buffer.length();
      writeClassDefinition(node, buffer, indent);

      boolean hasContent = false;
      boolean enumFields = false;

      dummy_tracer.incrementCurrentSourceLine(buffer.countLines(start_class_def));

      List<StructRecordComponent> components = cl.getRecordComponents();

      for (StructField fd : cl.getFields()) {
        boolean hide = fd.isSynthetic() && DecompilerContext.getOption(IFernflowerPreferences.REMOVE_SYNTHETIC) ||
                       wrapper.getHiddenMembers().contains(InterpreterUtil.makeUniqueKey(fd.getName(), fd.getDescriptor()));
        if (hide) continue;

        if (components != null && fd.getAccessFlags() == (CodeConstants.ACC_FINAL | CodeConstants.ACC_PRIVATE) &&
            components.stream().anyMatch(c -> c.getName().equals(fd.getName()) && c.getDescriptor().equals(fd.getDescriptor()))) {
          // Record component field: skip it
          continue;
        }

        boolean isEnum = fd.hasModifier(CodeConstants.ACC_ENUM) && DecompilerContext.getOption(IFernflowerPreferences.DECOMPILE_ENUM);
        if (isEnum) {
          if (enumFields) {
            buffer.append(',').appendLineSeparator();
            dummy_tracer.incrementCurrentSourceLine();
          }
          enumFields = true;
        }
        else if (enumFields) {
          buffer.append(';');
          buffer.appendLineSeparator();
          buffer.appendLineSeparator();
          dummy_tracer.incrementCurrentSourceLine(2);
          enumFields = false;
        }

        fieldToJava(wrapper, cl, fd, buffer, indent + 1, dummy_tracer); // FIXME: insert real tracer

        hasContent = true;
      }

      if (enumFields) {
        buffer.append(';').appendLineSeparator();
        dummy_tracer.incrementCurrentSourceLine();
      }

      // FIXME: fields don't matter at the moment
      startLine += buffer.countLines(start_class_def);

      // methods
      for (StructMethod mt : cl.getMethods()) {
        boolean hide = mt.isSynthetic() && DecompilerContext.getOption(IFernflowerPreferences.REMOVE_SYNTHETIC) ||
                       mt.hasModifier(CodeConstants.ACC_BRIDGE) && DecompilerContext.getOption(IFernflowerPreferences.REMOVE_BRIDGE) ||
                       wrapper.getHiddenMembers().contains(InterpreterUtil.makeUniqueKey(mt.getName(), mt.getDescriptor()));
        if (hide) continue;

        int position = buffer.length();
        int storedLine = startLine;
        if (hasContent) {
          buffer.appendLineSeparator();
          startLine++;
        }
        BytecodeMappingTracer method_tracer = new BytecodeMappingTracer(startLine);
        boolean methodSkipped = !methodToJava(node, mt, buffer, indent + 1, method_tracer);
        if (!methodSkipped) {
          hasContent = true;
          addTracer(cl, mt, method_tracer);
          startLine = method_tracer.getCurrentSourceLine();
        }
        else {
          buffer.setLength(position);
          startLine = storedLine;
        }
      }

      // member classes
      for (ClassNode inner : node.nested) {
        if (inner.type == ClassNode.CLASS_MEMBER) {
          StructClass innerCl = inner.classStruct;
          boolean isSynthetic = (inner.access & CodeConstants.ACC_SYNTHETIC) != 0 || innerCl.isSynthetic();
          boolean hide = isSynthetic && DecompilerContext.getOption(IFernflowerPreferences.REMOVE_SYNTHETIC) ||
                         wrapper.getHiddenMembers().contains(innerCl.qualifiedName);
          if (hide) continue;

          if (hasContent) {
            buffer.appendLineSeparator();
            startLine++;
          }
          BytecodeMappingTracer class_tracer = new BytecodeMappingTracer(startLine);
          classToJava(inner, buffer, indent + 1, class_tracer);
          startLine = buffer.countLines();

          hasContent = true;
        }
      }

      buffer.appendIndent(indent).append('}');

      if (node.type != ClassNode.CLASS_ANONYMOUS) {
        buffer.appendLineSeparator();
      }
    }
    finally {
      DecompilerContext.setProperty(DecompilerContext.CURRENT_CLASS_NODE, outerNode);
    }

    DecompilerContext.getLogger().endWriteClass();
  }