Method execute

src/jvm/clojure/asm/Frame.java:672–1100

Simulates the action of the given instruction on the output stack frame. @param opcode the opcode of the instruction. @param arg the numeric operand of the instruction, if any. @param argSymbol the Symbol operand of the instruction, if any. @param symbolTable the type table to use to lookup and sto

(
      final int opcode, final int arg, final Symbol argSymbol, final SymbolTable symbolTable)

   * @param symbolTable the type table to use to lookup and store type {@link Symbol}.
   */
  void execute(
      final int opcode, final int arg, final Symbol argSymbol, final SymbolTable symbolTable) {
    // Abstract types popped from the stack or read from local variables.
    int abstractType1;
    int abstractType2;
    int abstractType3;
    int abstractType4;
    switch (opcode) {
      case Opcodes.NOP:
      case Opcodes.INEG:
      case Opcodes.LNEG:
      case Opcodes.FNEG:
      case Opcodes.DNEG:
      case Opcodes.I2B:
      case Opcodes.I2C:
      case Opcodes.I2S:
      case Opcodes.GOTO:
      case Opcodes.RETURN:
        break;
      case Opcodes.ACONST_NULL:
        push(NULL);
        break;
      case Opcodes.ICONST_M1:
      case Opcodes.ICONST_0:
      case Opcodes.ICONST_1:
      case Opcodes.ICONST_2:
      case Opcodes.ICONST_3:
      case Opcodes.ICONST_4:
      case Opcodes.ICONST_5:
      case Opcodes.BIPUSH:
      case Opcodes.SIPUSH:
      case Opcodes.ILOAD:
        push(INTEGER);
        break;
      case Opcodes.LCONST_0:
      case Opcodes.LCONST_1:
      case Opcodes.LLOAD:
        push(LONG);
        push(TOP);
        break;
      case Opcodes.FCONST_0:
      case Opcodes.FCONST_1:
      case Opcodes.FCONST_2:
      case Opcodes.FLOAD:
        push(FLOAT);
        break;
      case Opcodes.DCONST_0:
      case Opcodes.DCONST_1:
      case Opcodes.DLOAD:
        push(DOUBLE);
        push(TOP);
        break;
      case Opcodes.LDC:
        switch (argSymbol.tag) {
          case Symbol.CONSTANT_INTEGER_TAG:
            push(INTEGER);
            break;
          case Symbol.CONSTANT_LONG_TAG: