/**
 * PANDA 3D SOFTWARE
 * Copyright (c) Carnegie Mellon University.  All rights reserved.
 *
 * All use of this software is subject to the terms of the revised BSD
 * license.  You should have received a copy of this license along
 * with this source code in a file named "LICENSE."
 *
 * @file cppTemplateScope.cxx
 * @author drose
 * @date 1999-10-28
 */

#include "cppTemplateScope.h"

#include "cppDeclaration.h"
#include "cppExtensionType.h"
#include "cppClassTemplateParameter.h"
#include "cppNameComponent.h"
#include "cppIdentifier.h"
#include "cppInstance.h"
#include "cppTypedefType.h"
#include "cppVisibility.h"

using std::string;

/**
 *
 */
CPPTemplateScope::
CPPTemplateScope(CPPScope *parent_scope) :
  CPPScope(parent_scope, CPPNameComponent("template"), V_public)
{
}


/**
 *
 */
void CPPTemplateScope::
add_declaration(CPPDeclaration *decl, CPPScope *global_scope,
                CPPPreprocessor *preprocessor,
                const cppyyltype &pos) {
  decl->_template_scope = this;
  assert(_parent_scope != nullptr);
  _parent_scope->add_declaration(decl, global_scope, preprocessor, pos);
}

/**
 *
 */
void CPPTemplateScope::
add_enum_value(CPPInstance *inst) {
  inst->_template_scope = this;
  assert(_parent_scope != nullptr);
  _parent_scope->add_enum_value(inst);
}

/**
 *
 */
void CPPTemplateScope::
define_typedef_type(CPPTypedefType *type, CPPPreprocessor *error_sink) {
  type->_template_scope = this;
  assert(_parent_scope != nullptr);
  _parent_scope->define_typedef_type(type, error_sink);
}

/**
 *
 */
void CPPTemplateScope::
define_extension_type(CPPExtensionType *type, CPPPreprocessor *error_sink) {
  type->_template_scope = this;
  assert(_parent_scope != nullptr);
  _parent_scope->define_extension_type(type, error_sink);
}

/**
 *
 */
void CPPTemplateScope::
define_namespace(CPPNamespace *scope) {
  assert(_parent_scope != nullptr);
  _parent_scope->define_namespace(scope);
}

/**
 *
 */
void CPPTemplateScope::
add_using(CPPUsing *using_decl, CPPScope *global_scope,
          CPPPreprocessor *error_sink) {
  assert(_parent_scope != nullptr);
  _parent_scope->add_using(using_decl, global_scope, error_sink);
}

/**
 *
 */
void CPPTemplateScope::
add_template_parameter(CPPDeclaration *param) {
  _parameters._parameters.push_back(param);
  CPPClassTemplateParameter *cl = param->as_class_template_parameter();
  if (cl != nullptr) {
    // Create an implicit typedef for this class parameter.
    if (cl->_ident != nullptr) {
      string name = cl->_ident->get_local_name();
      _types[name] = cl;
    }
  }

  CPPInstance *inst = param->as_instance();
  if (inst != nullptr) {
    // Register the variable for this value parameter.
    string name = inst->get_local_name();
    if (!name.empty()) {
      _variables[name] = inst;
    }
  }
}

/**
 * Returns true if this declaration is an actual, factual declaration, or
 * false if some part of the declaration depends on a template parameter which
 * has not yet been instantiated.
 */
bool CPPTemplateScope::
is_fully_specified() const {
  return false;
}

/**
 *
 */
string CPPTemplateScope::
get_simple_name() const {
  assert(_parent_scope != nullptr);
  return _parent_scope->get_simple_name();
}

/**
 *
 */
string CPPTemplateScope::
get_local_name(CPPScope *scope) const {
  assert(_parent_scope != nullptr);
  return _parent_scope->get_local_name(scope);
}

/**
 *
 */
string CPPTemplateScope::
get_fully_scoped_name() const {
  assert(_parent_scope != nullptr);
  return _parent_scope->get_fully_scoped_name();
}

/**
 *
 */
void CPPTemplateScope::
output(std::ostream &out, CPPScope *scope) const {
  CPPScope::output(out, scope);
  out << "< ";
  _parameters.output(out, scope);
  out << " >";
}

/**
 *
 */
CPPTemplateScope *CPPTemplateScope::
as_template_scope() {
  return this;
}