method_prims.cpp

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/* Copyright 1994 - 1996 LongView Technologies L.L.C. $Revision: 1.21 $ */
/* Copyright (c) 2006, Sun Microsystems, Inc.
All rights reserved.

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    * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
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          disclaimer in the documentation and/or other materials provided with the distribution.
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# include "incls/_precompiled.incl"
# include "incls/_method_prims.cpp.incl"

TRACE_FUNC(TraceMethodPrims, "method")

int methodOopPrimitives::number_of_calls;

#define ASSERT_RECEIVER assert(receiver->is_method(), "receiver must be method")

PRIM_DECL_1(methodOopPrimitives::selector, oop receiver) {
  PROLOGUE_1("selector", receiver);
  ASSERT_RECEIVER;
  return methodOop(receiver)->selector();
}

PRIM_DECL_1(methodOopPrimitives::debug_info, oop receiver) {
  PROLOGUE_1("debug_info", receiver);
  ASSERT_RECEIVER;
  return methodOop(receiver)->debugInfo();
}

PRIM_DECL_1(methodOopPrimitives::size_and_flags, oop receiver) {
  PROLOGUE_1("size_and_flags", receiver);
  ASSERT_RECEIVER;
  return methodOop(receiver)->size_and_flags();
}

PRIM_DECL_1(methodOopPrimitives::fileout_body, oop receiver) {
  PROLOGUE_1("fileout_body", receiver);
  ASSERT_RECEIVER;
  return methodOop(receiver)->fileout_body();
}

PRIM_DECL_2(methodOopPrimitives::setSelector, oop receiver, oop name) {
  PROLOGUE_2("setSelector", receiver, name);
  ASSERT_RECEIVER;
  if (!name->is_symbol())
    return markSymbol(vmSymbols::first_argument_has_wrong_type());
  methodOop(receiver)->set_selector_or_method(oop(name));
  return receiver;
}

PRIM_DECL_1(methodOopPrimitives::numberOfArguments, oop receiver) {
  PROLOGUE_1("numberOfArguments", receiver);
  ASSERT_RECEIVER;
  return as_smiOop(methodOop(receiver)->number_of_arguments());
}

PRIM_DECL_1(methodOopPrimitives::outer, oop receiver) {
  PROLOGUE_1("outer", receiver);
  ASSERT_RECEIVER;
  return methodOop(receiver)->selector_or_method();
}

PRIM_DECL_2(methodOopPrimitives::setOuter, oop receiver, oop method) {
  PROLOGUE_2("setOuter", receiver, method);
  ASSERT_RECEIVER;
  methodOop(receiver)->set_selector_or_method(oop(method));
  return receiver;
}

PRIM_DECL_2(methodOopPrimitives::referenced_instance_variable_names, oop receiver, oop mixin) {
  PROLOGUE_2("referenced_instance_variable_names", receiver, mixin);
  ASSERT_RECEIVER;
  if (!mixin->is_mixin())
    return markSymbol(vmSymbols::first_argument_has_wrong_type());

  return methodOop(receiver)->referenced_instance_variable_names(mixinOop(mixin));
}

PRIM_DECL_1(methodOopPrimitives::referenced_class_variable_names, oop receiver) {
  PROLOGUE_1("referenced_class_variable_names", receiver);
  ASSERT_RECEIVER;
  return methodOop(receiver)->referenced_class_variable_names();
}

PRIM_DECL_1(methodOopPrimitives::referenced_global_names, oop receiver) {
  PROLOGUE_1("referenced_global_names", receiver);
  ASSERT_RECEIVER;
  return methodOop(receiver)->referenced_global_names();
}

PRIM_DECL_1(methodOopPrimitives::senders, oop receiver) {
  PROLOGUE_1("senders", receiver);
  ASSERT_RECEIVER;
  return methodOop(receiver)->senders();
}

PRIM_DECL_2(methodOopPrimitives::prettyPrint, oop receiver, oop klass) {
  PROLOGUE_2("prettyPrint", receiver, klass);
  ASSERT_RECEIVER;
  if (klass == nilObj) {
    prettyPrinter::print(methodOop(receiver));
  } else {
    if (!klass->is_klass())
      return markSymbol(vmSymbols::first_argument_has_wrong_type());
    prettyPrinter::print(methodOop(receiver), klassOop(klass));
  }
  return receiver;
}

PRIM_DECL_2(methodOopPrimitives::prettyPrintSource, oop receiver, oop klass) {
  PROLOGUE_2("prettyPrintSource", receiver, klass);
  ASSERT_RECEIVER;
  byteArrayOop a;
  if (klass == nilObj) {
    a = prettyPrinter::print_in_byteArray(methodOop(receiver));
  } else {
    if (!klass->is_klass())
      return markSymbol(vmSymbols::first_argument_has_wrong_type());
    a = prettyPrinter::print_in_byteArray(methodOop(receiver), klassOop(klass));
  }
  return a;
}

PRIM_DECL_1(methodOopPrimitives::printCodes, oop receiver) {
  PROLOGUE_1("printCodes", receiver);
  ASSERT_RECEIVER;
  #ifndef PRODUCT
  { ResourceMark rm;
    methodOop(receiver)->print_codes();
  }
  #endif
  return receiver;
}


PRIM_DECL_6(methodOopPrimitives::constructMethod, oop selector_or_method, oop flags, oop nofArgs, oop debugInfo, oop bytes, oop oops) {
  PROLOGUE_6("constructMethod", selector_or_method, flags, nofArgs, debugInfo, bytes, oops);
  if (!selector_or_method->is_symbol() && (selector_or_method != nilObj))
    return markSymbol(vmSymbols::first_argument_has_wrong_type());
  if (!flags->is_smi())
    return markSymbol(vmSymbols::second_argument_has_wrong_type());
  if (!nofArgs->is_smi())
    return markSymbol(vmSymbols::third_argument_has_wrong_type());
  if (!debugInfo->is_objArray())
    return markSymbol(vmSymbols::fourth_argument_has_wrong_type());
  if (!bytes->is_byteArray())
    return markSymbol(vmSymbols::fifth_argument_has_wrong_type());
  if (!oops->is_objArray())
    return markSymbol(vmSymbols::sixth_argument_has_wrong_type());

  if (objArrayOop(oops)->length() * oopSize != byteArrayOop(bytes)->length()) {
        return markSymbol(vmSymbols::method_construction_failed());
  }

  methodKlass* k = (methodKlass*) Universe::methodKlassObj()->klass_part();
  methodOop result = k->constructMethod(selector_or_method,
                                        smiOop(flags)->value(),
                                        smiOop(nofArgs)->value(),
                                        objArrayOop(debugInfo),
                                                            byteArrayOop(bytes),
                                                            objArrayOop(oops));
  if (result) return result;
  return markSymbol(vmSymbols::method_construction_failed());
}

extern "C" blockClosureOop allocateBlock(smiOop nof);

static oop allocate_block_for(methodOop method, oop self) {
  BlockScavenge bs;

  if (!method->is_customized()) {
    method->customize_for(self->klass(), self->blueprint()->mixin());
  }

  // allocate the context for the block (make room for the self)
  contextKlass* ok = (contextKlass*) contextKlassObj->klass_part();
  contextOop con = contextOop(ok->allocateObjectSize(1));
  con->kill();
  con->obj_at_put(0, self);

  // allocate the resulting block
  blockClosureOop blk = allocateBlock(as_smiOop(method->number_of_arguments()));
  blk->set_method(method);
  blk->set_lexical_scope(con);

  return blk;
}

PRIM_DECL_1(methodOopPrimitives::allocate_block, oop receiver) {
  PROLOGUE_1("allocate_block", receiver);
  ASSERT_RECEIVER;

  if (!methodOop(receiver)->is_blockMethod())
    return markSymbol(vmSymbols::conversion_failed());

  return allocate_block_for(methodOop(receiver), nilObj);
}

PRIM_DECL_2(methodOopPrimitives::allocate_block_self, oop receiver, oop self) {
  PROLOGUE_2("allocate_block_self", receiver, self);
  ASSERT_RECEIVER;

  if (!methodOop(receiver)->is_blockMethod())
    return markSymbol(vmSymbols::conversion_failed());

  return allocate_block_for(methodOop(receiver), self);
}

static symbolOop symbol_from_method_inlining_info(methodOopDesc::Method_Inlining_Info info) { 
  if (info == methodOopDesc::normal_inline)  return oopFactory::new_symbol("Normal");
  if (info == methodOopDesc::never_inline)   return oopFactory::new_symbol("Never");
  if (info == methodOopDesc::always_inline)  return oopFactory::new_symbol("Always");
  ShouldNotReachHere();
  return NULL;
}

PRIM_DECL_2(methodOopPrimitives::set_inlining_info, oop receiver, oop info) {
  PROLOGUE_2("set_inlining_info", receiver, info);
  ASSERT_RECEIVER;
  if (!info->is_symbol())
    return markSymbol(vmSymbols::first_argument_has_wrong_type());

  // Check argument value
  methodOopDesc::Method_Inlining_Info in;
  if (symbolOop(info)->equals("Never")) {
    in = methodOopDesc::never_inline;
  } else if(symbolOop(info)->equals("Always")) {
    in = methodOopDesc::always_inline;
  } else if(symbolOop(info)->equals("Normal")) {
    in = methodOopDesc::normal_inline;
  } else {
    return markSymbol(vmSymbols::argument_is_invalid());
  }
  methodOopDesc::Method_Inlining_Info old = methodOop(receiver)->method_inlining_info();
  methodOop(receiver)->set_method_inlining_info(in);
  return symbol_from_method_inlining_info(old);
}

PRIM_DECL_1(methodOopPrimitives::inlining_info, oop receiver) {
  PROLOGUE_1("inlining_info", receiver);
  ASSERT_RECEIVER;
  return symbol_from_method_inlining_info(methodOop(receiver)->method_inlining_info());
}

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