Method MethodWriter

src/jvm/clojure/asm/MethodWriter.java:583–621

Constructs a new MethodWriter. @param symbolTable where the constants used in this AnnotationWriter must be stored. @param access the method's access flags (see Opcodes). @param name the method's name. @param descriptor the method's descriptor (see Type). @param signature th

(
      final SymbolTable symbolTable,
      final int access,
      final String name,
      final String descriptor,
      final String signature,
      final String[] exceptions,
      final int compute)

   * @param compute indicates what must be computed (see #compute).
   */
  MethodWriter(
      final SymbolTable symbolTable,
      final int access,
      final String name,
      final String descriptor,
      final String signature,
      final String[] exceptions,
      final int compute) {
    super(Opcodes.ASM6);
    this.symbolTable = symbolTable;
    this.accessFlags = "<init>".equals(name) ? access | Constants.ACC_CONSTRUCTOR : access;
    this.nameIndex = symbolTable.addConstantUtf8(name);
    this.descriptorIndex = symbolTable.addConstantUtf8(descriptor);
    this.descriptor = descriptor;
    this.signatureIndex = signature == null ? 0 : symbolTable.addConstantUtf8(signature);
    if (exceptions != null && exceptions.length > 0) {
      numberOfExceptions = exceptions.length;
      this.exceptionIndexTable = new int[numberOfExceptions];
      for (int i = 0; i < numberOfExceptions; ++i) {
        this.exceptionIndexTable[i] = symbolTable.addConstantClass(exceptions[i]).index;
      }
    } else {
      numberOfExceptions = 0;
      this.exceptionIndexTable = null;
    }
    this.compute = compute;
    if (compute != COMPUTE_NOTHING) {
      // Update maxLocals and currentLocals.
      int argumentsSize = Type.getArgumentsAndReturnSizes(descriptor) >> 2;
      if ((access & Opcodes.ACC_STATIC) != 0) {
        --argumentsSize;
      }
      maxLocals = argumentsSize;
      currentLocals = argumentsSize;
      // Create and visit the label for the first basic block.
      firstBasicBlock = new Label();
      visitLabel(firstBasicBlock);
    }
  }

  boolean hasFrames() {
    return stackMapTableNumberOfEntries > 0;