mixin_prims.cpp

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/* Copyright 1994, 1995 LongView Technologies L.L.C. $Revision: 1.14 $ */
/* Copyright (c) 2006, Sun Microsystems, Inc.
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# include "incls/_precompiled.incl"
# include "incls/_mixin_prims.cpp.incl"

TRACE_FUNC(TraceMixinPrims, "mixin")

int mixinOopPrimitives::number_of_calls;

PRIM_DECL_1(mixinOopPrimitives::number_of_methods, oop mixin) {
  PROLOGUE_1("number_of_methods", mixin);
  // Check parameter
  if (!mixin->is_mixin())
    return markSymbol(vmSymbols::first_argument_has_wrong_type());

  return as_smiOop(mixinOop(mixin)->number_of_methods());
}

PRIM_DECL_2(mixinOopPrimitives::method_at, oop mixin, oop index) {
  PROLOGUE_2("method_at", mixin, index);
  // Check parameters
  if (!mixin->is_mixin())
    return markSymbol(vmSymbols::first_argument_has_wrong_type());
  if (!index->is_smi())
    return markSymbol(vmSymbols::second_argument_has_wrong_type());

  int i = smiOop(index)->value();  
  if (i > 0 && i <= mixinOop(mixin)->number_of_methods()) 
    return mixinOop(mixin)->method_at(i);
  return markSymbol(vmSymbols::out_of_bounds());
}

PRIM_DECL_2(mixinOopPrimitives::add_method, oop mixin, oop method) {
  PROLOGUE_2("add_method", mixin, method);
  // Check parameters
  if (!mixin->is_mixin())
    return markSymbol(vmSymbols::first_argument_has_wrong_type());
  if (!method->is_method())
    return markSymbol(vmSymbols::second_argument_has_wrong_type());

  // Check the mixin is not installed
  if (mixinOop(mixin)->is_installed())
    return markSymbol(vmSymbols::is_installed());


  BlockScavenge bs;
  mixinOop(mixin)->add_method(methodOop(method));
  return mixin;
}

PRIM_DECL_2(mixinOopPrimitives::remove_method_at, oop mixin, oop index) {
  PROLOGUE_2("remove_method_at", mixin, index);
  // Check parameters
  if (!mixin->is_mixin())
    return markSymbol(vmSymbols::first_argument_has_wrong_type());
  if (!index->is_smi())
    return markSymbol(vmSymbols::second_argument_has_wrong_type());

  // Check the mixin is not installed
  if (mixinOop(mixin)->is_installed())
    return markSymbol(vmSymbols::is_installed());

  BlockScavenge bs;
  int i = smiOop(index)->value(); 
  if (i > 0 && i <= mixinOop(mixin)->number_of_methods()) 
    return mixinOop(mixin)->remove_method_at(i);
  return markSymbol(vmSymbols::out_of_bounds());
}

PRIM_DECL_1(mixinOopPrimitives::methods, oop mixin) {
  PROLOGUE_1("methods", mixin);
  // Check parameters
  if (!mixin->is_mixin())
    return markSymbol(vmSymbols::first_argument_has_wrong_type());
  return mixinOop(mixin)->methods();
}

PRIM_DECL_1(mixinOopPrimitives::number_of_instance_variables, oop mixin) {
  PROLOGUE_1("number_of_instance_variables", mixin);
  // Check parameter
  if (!mixin->is_mixin())
    return markSymbol(vmSymbols::first_argument_has_wrong_type());

  return as_smiOop(mixinOop(mixin)->number_of_instVars());
}

PRIM_DECL_2(mixinOopPrimitives::instance_variable_at, oop mixin, oop index) {
  PROLOGUE_2("instance_variable_at", mixin, index);
  // Check parameters
  if (!mixin->is_mixin())
    return markSymbol(vmSymbols::first_argument_has_wrong_type());
  if (!index->is_smi())
    return markSymbol(vmSymbols::second_argument_has_wrong_type());

  int i = smiOop(index)->value();
  if (i > 0 && i <= mixinOop(mixin)->number_of_instVars()) 
    return mixinOop(mixin)->instVar_at(i);
  return markSymbol(vmSymbols::out_of_bounds());
}

PRIM_DECL_2(mixinOopPrimitives::add_instance_variable, oop mixin, oop name) {
  PROLOGUE_2("add_instance_variable", mixin, name);
  // Check parameters
  if (!mixin->is_mixin())
    return markSymbol(vmSymbols::first_argument_has_wrong_type());
  if (!name->is_symbol())
    return markSymbol(vmSymbols::second_argument_has_wrong_type());

  // Check the mixin is not installed
  if (mixinOop(mixin)->is_installed())
    return markSymbol(vmSymbols::is_installed());

  BlockScavenge bs;
  mixinOop(mixin)->add_instVar(symbolOop(name));
  return mixin;
}

PRIM_DECL_2(mixinOopPrimitives::remove_instance_variable_at, oop mixin, oop index) {
  PROLOGUE_2("remove_instance_variable_at", mixin, index);
  // Check parameters
  if (!mixin->is_mixin())
    return markSymbol(vmSymbols::first_argument_has_wrong_type());
  if (!index->is_smi())
    return markSymbol(vmSymbols::second_argument_has_wrong_type());

  // Check the mixin is not installed
  if (mixinOop(mixin)->is_installed())
    return markSymbol(vmSymbols::is_installed());


  BlockScavenge bs;
  int i = smiOop(index)->value();
  if (i > 0 && i <= mixinOop(mixin)->number_of_instVars()) 
    return mixinOop(mixin)->remove_instVar_at(i);
  return markSymbol(vmSymbols::out_of_bounds());
}

PRIM_DECL_1(mixinOopPrimitives::instance_variables, oop mixin) {
  PROLOGUE_1("instance_variables", mixin);
  // Check parameters
  if (!mixin->is_mixin())
    return markSymbol(vmSymbols::first_argument_has_wrong_type());
  return mixinOop(mixin)->instVars();
}

PRIM_DECL_1(mixinOopPrimitives::number_of_class_variables, oop mixin) {
  PROLOGUE_1("number_of_class_variables", mixin);
  // Check parameter
  if (!mixin->is_mixin())
    return markSymbol(vmSymbols::first_argument_has_wrong_type());

  return as_smiOop(mixinOop(mixin)->number_of_classVars());
}

PRIM_DECL_2(mixinOopPrimitives::class_variable_at, oop mixin, oop index) {
  PROLOGUE_2("class_variable_at", mixin, index);
  // Check parameters
  if (!mixin->is_mixin())
    return markSymbol(vmSymbols::first_argument_has_wrong_type());
  if (!index->is_smi())
    return markSymbol(vmSymbols::second_argument_has_wrong_type());

  int i = smiOop(index)->value();
  if (i > 0 && i <= mixinOop(mixin)->number_of_classVars()) 
    return mixinOop(mixin)->classVar_at(i);
  return markSymbol(vmSymbols::out_of_bounds());
}

PRIM_DECL_2(mixinOopPrimitives::add_class_variable, oop mixin, oop name) {
  PROLOGUE_2("add_class_variable", mixin, name);
  // Check parameters
  if (!mixin->is_mixin())
    return markSymbol(vmSymbols::first_argument_has_wrong_type());
  if (!name->is_symbol())
    return markSymbol(vmSymbols::second_argument_has_wrong_type());

  // Check the mixin is not installed
  if (mixinOop(mixin)->is_installed())
    return markSymbol(vmSymbols::is_installed());

  BlockScavenge bs;
  mixinOop(mixin)->add_classVar(symbolOop(name));
  return mixin;
}

PRIM_DECL_2(mixinOopPrimitives::remove_class_variable_at, oop mixin, oop index) {
  PROLOGUE_2("remove_class_variable_at", mixin, index);
  // Check parameters
  if (!mixin->is_mixin())
    return markSymbol(vmSymbols::first_argument_has_wrong_type());
  if (!index->is_smi())
    return markSymbol(vmSymbols::second_argument_has_wrong_type());

  // Check the mixin is not installed
  if (mixinOop(mixin)->is_installed())
    return markSymbol(vmSymbols::is_installed());

  BlockScavenge bs;
  int i = smiOop(index)->value();
  if (i > 0 && i <= mixinOop(mixin)->number_of_classVars()) 
    return mixinOop(mixin)->remove_classVar_at(i);
  return markSymbol(vmSymbols::out_of_bounds());
}

PRIM_DECL_1(mixinOopPrimitives::class_variables, oop mixin) {
  PROLOGUE_1("class_variables", mixin);
  // Check parameters
  if (!mixin->is_mixin())
    return markSymbol(vmSymbols::first_argument_has_wrong_type());
  return mixinOop(mixin)->classVars();
}

PRIM_DECL_1(mixinOopPrimitives::primary_invocation, oop mixin) {
  PROLOGUE_1("primary_invocation", mixin);
  // Check parameter
  if (!mixin->is_mixin())
    return markSymbol(vmSymbols::first_argument_has_wrong_type());

  return mixinOop(mixin)->primary_invocation();
}

PRIM_DECL_2(mixinOopPrimitives::set_primary_invocation, oop mixin, oop klass) {
  PROLOGUE_2("class_mixin", mixin, klass);
  // Check parameters
  if (!mixin->is_mixin())
    return markSymbol(vmSymbols::first_argument_has_wrong_type());
  if (!klass->is_klass())
    return markSymbol(vmSymbols::second_argument_has_wrong_type());

  // Check the mixin is not installed
  if (mixinOop(mixin)->is_installed())
    return markSymbol(vmSymbols::is_installed());

  mixinOop(mixin)->set_primary_invocation(klassOop(klass));
  return mixin;
}

PRIM_DECL_1(mixinOopPrimitives::class_mixin, oop mixin) {
  PROLOGUE_1("class_mixin", mixin);
  // Check parameter
  if (!mixin->is_mixin())
    return markSymbol(vmSymbols::first_argument_has_wrong_type());

  return mixinOop(mixin)->class_mixin();
}

PRIM_DECL_2(mixinOopPrimitives::set_class_mixin, oop mixin, oop class_mixin) {
  PROLOGUE_2("class_mixin", mixin, class_mixin);
  // Check parameters
  if (!mixin->is_mixin())
    return markSymbol(vmSymbols::first_argument_has_wrong_type());
  if (!class_mixin->is_mixin())
    return markSymbol(vmSymbols::second_argument_has_wrong_type());

  // Check the mixin is not installed
  if (mixinOop(mixin)->is_installed())
    return markSymbol(vmSymbols::is_installed());

  mixinOop(mixin)->set_class_mixin(mixinOop(class_mixin));
  return mixin;
}

PRIM_DECL_1(mixinOopPrimitives::is_installed, oop mixin) {
  PROLOGUE_1("is_installed", mixin);
  // Check parameter
  if (!mixin->is_mixin())
    return markSymbol(vmSymbols::first_argument_has_wrong_type());

  return mixinOop(mixin)->is_installed() ? trueObj : falseObj;
}

PRIM_DECL_1(mixinOopPrimitives::set_installed, oop mixin) {
  PROLOGUE_1("set_installed", mixin);
  // Check parameter
  if (!mixin->is_mixin())
    return markSymbol(vmSymbols::first_argument_has_wrong_type());

  mixinOop instance_mixin = mixinOop(mixin);
  mixinOop class_mixin    = instance_mixin->class_mixin();

  instance_mixin->set_installed(trueObj);
  if (class_mixin->is_mixin()) {
    class_mixin->set_installed(trueObj);
  }
  return mixin;
}

PRIM_DECL_1(mixinOopPrimitives::set_uninstalled, oop mixin) {
  PROLOGUE_1("set_uninstalled", mixin);
  // Check parameter
  if (!mixin->is_mixin())
    return markSymbol(vmSymbols::first_argument_has_wrong_type());

  mixinOop(mixin)->set_installed(falseObj);
  return mixin;
}

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