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codemodel.cpp

/****************************************************************************
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
** Copyright (C) 2002-2005 Roberto Raggi <roberto@kdevelop.org>
**
** This file is part of the Qt Script Generator project on Trolltech Labs.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of
** this file.  Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at sales@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/


#include "codemodel.h"

// ---------------------------------------------------------------------------
CodeModel::CodeModel()
  : _M_creation_id(0)
{
  _M_globalNamespace = create<NamespaceModelItem>();
}

CodeModel::~CodeModel()
{
}

void CodeModel::wipeout()
{
  _M_globalNamespace = create<NamespaceModelItem>();
  _M_files.clear();
}

FileList CodeModel::files() const
{
  return _M_files.values();
}

NamespaceModelItem CodeModel::globalNamespace() const
{
  return _M_globalNamespace;
}

void CodeModel::addFile(FileModelItem item)
{
  _M_creation_id = 0; // reset the creation id
  _M_files.insert(item->name(), item);
}

void CodeModel::removeFile(FileModelItem item)
{
  QHash<QString, FileModelItem>::Iterator it = _M_files.find(item->name());

  if (it != _M_files.end() && it.value() == item)
    _M_files.erase(it);
}

FileModelItem CodeModel::findFile(const QString &name) const
{
  return _M_files.value(name);
}

QHash<QString, FileModelItem> CodeModel::fileMap() const
{
  return _M_files;
}

CodeModelItem CodeModel::findItem(const QStringList &qualifiedName, CodeModelItem scope) const
{
  for (int i=0; i<qualifiedName.size(); ++i) {
    // ### Extend to look for members etc too.
    const QString &name = qualifiedName.at(i);

    if (NamespaceModelItem ns = model_dynamic_cast<NamespaceModelItem>(scope))
      {
        if (NamespaceModelItem tmp_ns = ns->findNamespace(name)) {
          scope = tmp_ns;
          continue;
        }
      }

    if (ScopeModelItem ss = model_dynamic_cast<ScopeModelItem>(scope))
      {
        if (ClassModelItem cs = ss->findClass(name))
          {
            scope = cs;
          }
        else if (EnumModelItem es = ss->findEnum(name))
          {
            if (i == qualifiedName.size () - 1)
              return es->toItem();
          }
        else if (TypeAliasModelItem tp = ss->findTypeAlias(name))
          {
            if (i == qualifiedName.size () - 1)
              return tp->toItem ();
          }
        else
          {
              // If we don't find the name in the scope chain we
              // need to return an empty item to indicate failure...
              return CodeModelItem();
          }
      }
  }

  return scope;
}


// ---------------------------------------------------------------------------
TypeInfo TypeInfo::combine (const TypeInfo &__lhs, const TypeInfo &__rhs)
{
  TypeInfo __result = __lhs;

  __result.setConstant (__result.isConstant () || __rhs.isConstant ());
  __result.setVolatile (__result.isVolatile () || __rhs.isVolatile ());
  __result.setReference (__result.isReference () || __rhs.isReference ());
  __result.setIndirections (__result.indirections () + __rhs.indirections ());
  __result.setArrayElements (__result.arrayElements () + __rhs.arrayElements ());

  return __result;
}

TypeInfo TypeInfo::resolveType (TypeInfo const &__type, CodeModelItem __scope)
{
    CodeModel *__model = __scope->model ();
    Q_ASSERT (__model != 0);

    CodeModelItem __item = __model->findItem (__type.qualifiedName (), __scope);

    // Copy the type and replace with the proper qualified name. This
    // only makes sence to do if we're actually getting a resolved
    // type with a namespace. We only get this if the returned type
    // has more than 2 entries in the qualified name... This test
    // could be improved by returning if the type was found or not.
    TypeInfo otherType(__type);
    if (__item && __item->qualifiedName().size() > 1) {
        otherType.setQualifiedName(__item->qualifiedName());
    }

    if (TypeAliasModelItem __alias = model_dynamic_cast<TypeAliasModelItem> (__item))
        return resolveType (TypeInfo::combine (__alias->type (), otherType), __scope);

    return otherType;
}

QString TypeInfo::toString() const
{
  QString tmp;

  tmp += m_qualifiedName.join("::");
  if (isConstant())
    tmp += QLatin1String(" const");

  if (isVolatile())
    tmp += QLatin1String(" volatile");

  if (indirections())
    tmp += QString(indirections(), QLatin1Char('*'));

  if (isReference())
    tmp += QLatin1Char('&');

  if (isFunctionPointer())
    {
      tmp += QLatin1String(" (*)(");
      for (int i=0; i<m_arguments.count(); ++i)
        {
          if (i != 0)
            tmp += QLatin1String(", ");

          tmp += m_arguments.at(i).toString();
        }
      tmp += QLatin1String(")");
    }

  foreach (QString elt, arrayElements ())
    {
      tmp += QLatin1String ("[");
      tmp += elt;
      tmp += QLatin1String ("]");
    }

  return tmp;
}

bool TypeInfo::operator==(const TypeInfo &other)
{
  if (arrayElements().count() != other.arrayElements().count())
    return false;

#if defined (RXX_CHECK_ARRAY_ELEMENTS) // ### it'll break
  for (int i=0; i<arrayElements().count(); ++i)
    {
      QString elt1 = arrayElements ().at (i).trimmed ();
      QString elt2 = other.arrayElements ().at (i).trimmed ();

      if (elt1 != elt2)
        return false;
    }
#endif

  return flags == other.flags
    && m_qualifiedName == other.m_qualifiedName
    && (!m_functionPointer || m_arguments == other.m_arguments);
}

// ---------------------------------------------------------------------------
_CodeModelItem::_CodeModelItem(CodeModel *model, int kind)
  : _M_model(model),
    _M_kind(kind),
    _M_startLine(0),
    _M_startColumn(0),
    _M_endLine(0),
    _M_endColumn(0),
    _M_creation_id(0)
{
}

_CodeModelItem::~_CodeModelItem()
{
}

CodeModelItem _CodeModelItem::toItem() const
{
  return CodeModelItem(const_cast<_CodeModelItem*>(this));
}

int _CodeModelItem::kind() const
{
  return _M_kind;
}

void _CodeModelItem::setKind(int kind)
{
  _M_kind = kind;
}

QStringList _CodeModelItem::qualifiedName() const
{
  QStringList q = scope();

  if (!name().isEmpty())
    q += name();

  return q;
}

QString _CodeModelItem::name() const
{
  return _M_name;
}

void _CodeModelItem::setName(const QString &name)
{
  _M_name = name;
}

QStringList _CodeModelItem::scope() const
{
  return _M_scope;
}

void _CodeModelItem::setScope(const QStringList &scope)
{
  _M_scope = scope;
}

QString _CodeModelItem::fileName() const
{
  return _M_fileName;
}

void _CodeModelItem::setFileName(const QString &fileName)
{
  _M_fileName = fileName;
}

FileModelItem _CodeModelItem::file() const
{
  return model()->findFile(fileName());
}

void _CodeModelItem::getStartPosition(int *line, int *column)
{
  *line = _M_startLine;
  *column = _M_startColumn;
}

void _CodeModelItem::setStartPosition(int line, int column)
{
  _M_startLine = line;
  _M_startColumn = column;
}

void _CodeModelItem::getEndPosition(int *line, int *column)
{
  *line = _M_endLine;
  *column = _M_endColumn;
}

void _CodeModelItem::setEndPosition(int line, int column)
{
  _M_endLine = line;
  _M_endColumn = column;
}

// ---------------------------------------------------------------------------
QStringList _ClassModelItem::baseClasses() const
{
  return _M_baseClasses;
}

void _ClassModelItem::setBaseClasses(const QStringList &baseClasses)
{
  _M_baseClasses = baseClasses;
}

TemplateParameterList _ClassModelItem::templateParameters() const
{
  return _M_templateParameters;
}

void _ClassModelItem::setTemplateParameters(const TemplateParameterList &templateParameters)
{
  _M_templateParameters = templateParameters;
}

void _ClassModelItem::addBaseClass(const QString &baseClass)
{
  _M_baseClasses.append(baseClass);
}

void _ClassModelItem::removeBaseClass(const QString &baseClass)
{
  _M_baseClasses.removeAt(_M_baseClasses.indexOf(baseClass));
}

bool _ClassModelItem::extendsClass(const QString &name) const
{
  return _M_baseClasses.contains(name);
}

void _ClassModelItem::setClassType(CodeModel::ClassType type)
{
  _M_classType = type;
}

CodeModel::ClassType _ClassModelItem::classType() const
{
  return _M_classType;
}

void _ClassModelItem::addPropertyDeclaration(const QString &propertyDeclaration)
{
    _M_propertyDeclarations << propertyDeclaration;
}


// ---------------------------------------------------------------------------
FunctionModelItem _ScopeModelItem::declaredFunction(FunctionModelItem item)
{
  FunctionList function_list = findFunctions(item->name());

  foreach (FunctionModelItem fun, function_list)
    {
      if (fun->isSimilar(item))
        return fun;
    }

  return FunctionModelItem();
}

ClassList _ScopeModelItem::classes() const
{
  return _M_classes.values();
}

TypeAliasList _ScopeModelItem::typeAliases() const
{
  return _M_typeAliases.values();
}

VariableList _ScopeModelItem::variables() const
{
  return _M_variables.values();
}

FunctionList _ScopeModelItem::functions() const
{
  return _M_functions.values();
}

void _ScopeModelItem::addEnumsDeclaration(const QString &enumsDeclaration)
{
    _M_enumsDeclarations << enumsDeclaration;
}

FunctionDefinitionList _ScopeModelItem::functionDefinitions() const
{
  return _M_functionDefinitions.values();
}

EnumList _ScopeModelItem::enums() const
{
  return _M_enums.values();
}

void _ScopeModelItem::addClass(ClassModelItem item)
{
 QString name = item->name();
 int idx = name.indexOf("<");
 if (idx > 0)
     _M_classes.insert(name.left(idx), item);
  _M_classes.insert(name, item);
}

void _ScopeModelItem::addFunction(FunctionModelItem item)
{
  _M_functions.insert(item->name(), item);
}

void _ScopeModelItem::addFunctionDefinition(FunctionDefinitionModelItem item)
{
  _M_functionDefinitions.insert(item->name(), item);
}

void _ScopeModelItem::addVariable(VariableModelItem item)
{
  _M_variables.insert(item->name(), item);
}

void _ScopeModelItem::addTypeAlias(TypeAliasModelItem item)
{
  _M_typeAliases.insert(item->name(), item);
}

void _ScopeModelItem::addEnum(EnumModelItem item)
{
  _M_enums.insert(item->name(), item);
}

void _ScopeModelItem::removeClass(ClassModelItem item)
{
  QHash<QString, ClassModelItem>::Iterator it = _M_classes.find(item->name());

  if (it != _M_classes.end() && it.value() == item)
    _M_classes.erase(it);
}

void _ScopeModelItem::removeFunction(FunctionModelItem item)
{
  QMultiHash<QString, FunctionModelItem>::Iterator it = _M_functions.find(item->name());

  while (it != _M_functions.end() && it.key() == item->name()
         && it.value() != item)
    {
      ++it;
    }

  if (it != _M_functions.end() && it.value() == item)
    {
      _M_functions.erase(it);
    }
}

void _ScopeModelItem::removeFunctionDefinition(FunctionDefinitionModelItem item)
{
  QMultiHash<QString, FunctionDefinitionModelItem>::Iterator it = _M_functionDefinitions.find(item->name());

  while (it != _M_functionDefinitions.end() && it.key() == item->name()
         && it.value() != item)
    {
      ++it;
    }

  if (it != _M_functionDefinitions.end() && it.value() == item)
    {
      _M_functionDefinitions.erase(it);
    }
}

void _ScopeModelItem::removeVariable(VariableModelItem item)
{
  QHash<QString, VariableModelItem>::Iterator it = _M_variables.find(item->name());

  if (it != _M_variables.end() && it.value() == item)
    _M_variables.erase(it);
}

void _ScopeModelItem::removeTypeAlias(TypeAliasModelItem item)
{
  QHash<QString, TypeAliasModelItem>::Iterator it = _M_typeAliases.find(item->name());

  if (it != _M_typeAliases.end() && it.value() == item)
    _M_typeAliases.erase(it);
}

void _ScopeModelItem::removeEnum(EnumModelItem item)
{
  QHash<QString, EnumModelItem>::Iterator it = _M_enums.find(item->name());

  if (it != _M_enums.end() && it.value() == item)
    _M_enums.erase(it);
}

ClassModelItem _ScopeModelItem::findClass(const QString &name) const
{
  return _M_classes.value(name);
}

VariableModelItem _ScopeModelItem::findVariable(const QString &name) const
{
  return _M_variables.value(name);
}

TypeAliasModelItem _ScopeModelItem::findTypeAlias(const QString &name) const
{
  return _M_typeAliases.value(name);
}

EnumModelItem _ScopeModelItem::findEnum(const QString &name) const
{
  return _M_enums.value(name);
}

FunctionList _ScopeModelItem::findFunctions(const QString &name) const
{
  return _M_functions.values(name);
}

FunctionDefinitionList _ScopeModelItem::findFunctionDefinitions(const QString &name) const
{
  return _M_functionDefinitions.values(name);
}

// ---------------------------------------------------------------------------
NamespaceList _NamespaceModelItem::namespaces() const
{
  return _M_namespaces.values();
}
void _NamespaceModelItem::addNamespace(NamespaceModelItem item)
{
  _M_namespaces.insert(item->name(), item);
}
void _NamespaceModelItem::removeNamespace(NamespaceModelItem item)
{
  QHash<QString, NamespaceModelItem>::Iterator it = _M_namespaces.find(item->name());

  if (it != _M_namespaces.end() && it.value() == item)
    _M_namespaces.erase(it);
}

NamespaceModelItem _NamespaceModelItem::findNamespace(const QString &name) const
{
  return _M_namespaces.value(name);
}

// ---------------------------------------------------------------------------
TypeInfo _ArgumentModelItem::type() const
{
  return _M_type;
}

void _ArgumentModelItem::setType(const TypeInfo &type)
{
  _M_type = type;
}

bool _ArgumentModelItem::defaultValue() const
{
  return _M_defaultValue;
}

void _ArgumentModelItem::setDefaultValue(bool defaultValue)
{
  _M_defaultValue = defaultValue;
}

// ---------------------------------------------------------------------------
bool _FunctionModelItem::isSimilar(FunctionModelItem other) const
{
  if (name() != other->name())
    return false;

  if (isConstant() != other->isConstant())
    return false;

  if (isVariadics() != other->isVariadics())
    return false;

  if (arguments().count() != other->arguments().count())
    return false;

  // ### check the template parameters

  for (int i=0; i<arguments().count(); ++i)
    {
      ArgumentModelItem arg1 = arguments().at(i);
      ArgumentModelItem arg2 = other->arguments().at(i);

      if (arg1->type() != arg2->type())
        return false;
    }

  return true;
}

ArgumentList _FunctionModelItem::arguments() const
{
  return _M_arguments;
}

void _FunctionModelItem::addArgument(ArgumentModelItem item)
{
  _M_arguments.append(item);
}

void _FunctionModelItem::removeArgument(ArgumentModelItem item)
{
  _M_arguments.removeAt(_M_arguments.indexOf(item));
}

CodeModel::FunctionType _FunctionModelItem::functionType() const
{
  return _M_functionType;
}

void _FunctionModelItem::setFunctionType(CodeModel::FunctionType functionType)
{
  _M_functionType = functionType;
}

bool _FunctionModelItem::isVariadics() const
{
  return _M_isVariadics;
}

void _FunctionModelItem::setVariadics(bool isVariadics)
{
  _M_isVariadics = isVariadics;
}

bool _FunctionModelItem::isVirtual() const
{
  return _M_isVirtual;
}

void _FunctionModelItem::setVirtual(bool isVirtual)
{
  _M_isVirtual = isVirtual;
}

bool _FunctionModelItem::isInline() const
{
  return _M_isInline;
}

void _FunctionModelItem::setInline(bool isInline)
{
  _M_isInline = isInline;
}

bool _FunctionModelItem::isExplicit() const
{
  return _M_isExplicit;
}

void _FunctionModelItem::setExplicit(bool isExplicit)
{
  _M_isExplicit = isExplicit;
}

bool _FunctionModelItem::isAbstract() const
{
  return _M_isAbstract;
}

void _FunctionModelItem::setAbstract(bool isAbstract)
{
  _M_isAbstract = isAbstract;
}

// Qt
bool _FunctionModelItem::isInvokable() const
{
    return _M_isInvokable;
}

void _FunctionModelItem::setInvokable(bool isInvokable)
{
    _M_isInvokable = isInvokable;
}

// ---------------------------------------------------------------------------
TypeInfo _TypeAliasModelItem::type() const
{
  return _M_type;
}

void _TypeAliasModelItem::setType(const TypeInfo &type)
{
  _M_type = type;
}

// ---------------------------------------------------------------------------
CodeModel::AccessPolicy _EnumModelItem::accessPolicy() const
{
  return _M_accessPolicy;
}

void _EnumModelItem::setAccessPolicy(CodeModel::AccessPolicy accessPolicy)
{
  _M_accessPolicy = accessPolicy;
}

EnumeratorList _EnumModelItem::enumerators() const
{
  return _M_enumerators;
}

void _EnumModelItem::addEnumerator(EnumeratorModelItem item)
{
  _M_enumerators.append(item);
}

void _EnumModelItem::removeEnumerator(EnumeratorModelItem item)
{
  _M_enumerators.removeAt(_M_enumerators.indexOf(item));
}

// ---------------------------------------------------------------------------
QString _EnumeratorModelItem::value() const
{
  return _M_value;
}

void _EnumeratorModelItem::setValue(const QString &value)
{
  _M_value = value;
}

// ---------------------------------------------------------------------------
TypeInfo _TemplateParameterModelItem::type() const
{
  return _M_type;
}

void _TemplateParameterModelItem::setType(const TypeInfo &type)
{
  _M_type = type;
}

bool _TemplateParameterModelItem::defaultValue() const
{
  return _M_defaultValue;
}

void _TemplateParameterModelItem::setDefaultValue(bool defaultValue)
{
  _M_defaultValue = defaultValue;
}

// ---------------------------------------------------------------------------
ScopeModelItem _ScopeModelItem::create(CodeModel *model)
{
  ScopeModelItem item(new _ScopeModelItem(model));
  return item;
}

ClassModelItem _ClassModelItem::create(CodeModel *model)
{
  ClassModelItem item(new _ClassModelItem(model));
  return item;
}

NamespaceModelItem _NamespaceModelItem::create(CodeModel *model)
{
  NamespaceModelItem item(new _NamespaceModelItem(model));
  return item;
}

FileModelItem _FileModelItem::create(CodeModel *model)
{
  FileModelItem item(new _FileModelItem(model));
  return item;
}

ArgumentModelItem _ArgumentModelItem::create(CodeModel *model)
{
  ArgumentModelItem item(new _ArgumentModelItem(model));
  return item;
}

FunctionModelItem _FunctionModelItem::create(CodeModel *model)
{
  FunctionModelItem item(new _FunctionModelItem(model));
  return item;
}

FunctionDefinitionModelItem _FunctionDefinitionModelItem::create(CodeModel *model)
{
  FunctionDefinitionModelItem item(new _FunctionDefinitionModelItem(model));
  return item;
}

VariableModelItem _VariableModelItem::create(CodeModel *model)
{
  VariableModelItem item(new _VariableModelItem(model));
  return item;
}

TypeAliasModelItem _TypeAliasModelItem::create(CodeModel *model)
{
  TypeAliasModelItem item(new _TypeAliasModelItem(model));
  return item;
}

EnumModelItem _EnumModelItem::create(CodeModel *model)
{
  EnumModelItem item(new _EnumModelItem(model));
  return item;
}

EnumeratorModelItem _EnumeratorModelItem::create(CodeModel *model)
{
  EnumeratorModelItem item(new _EnumeratorModelItem(model));
  return item;
}

TemplateParameterModelItem _TemplateParameterModelItem::create(CodeModel *model)
{
  TemplateParameterModelItem item(new _TemplateParameterModelItem(model));
  return item;
}

// ---------------------------------------------------------------------------
TypeInfo _MemberModelItem::type() const
{
  return _M_type;
}

void _MemberModelItem::setType(const TypeInfo &type)
{
  _M_type = type;
}

CodeModel::AccessPolicy _MemberModelItem::accessPolicy() const
{
  return _M_accessPolicy;
}

void _MemberModelItem::setAccessPolicy(CodeModel::AccessPolicy accessPolicy)
{
  _M_accessPolicy = accessPolicy;
}

bool _MemberModelItem::isStatic() const
{
  return _M_isStatic;
}

void _MemberModelItem::setStatic(bool isStatic)
{
  _M_isStatic = isStatic;
}

bool _MemberModelItem::isConstant() const
{
  return _M_isConstant;
}

void _MemberModelItem::setConstant(bool isConstant)
{
  _M_isConstant = isConstant;
}

bool _MemberModelItem::isVolatile() const
{
  return _M_isVolatile;
}

void _MemberModelItem::setVolatile(bool isVolatile)
{
  _M_isVolatile = isVolatile;
}

bool _MemberModelItem::isAuto() const
{
  return _M_isAuto;
}

void _MemberModelItem::setAuto(bool isAuto)
{
  _M_isAuto = isAuto;
}

bool _MemberModelItem::isFriend() const
{
  return _M_isFriend;
}

void _MemberModelItem::setFriend(bool isFriend)
{
  _M_isFriend = isFriend;
}

bool _MemberModelItem::isRegister() const
{
  return _M_isRegister;
}

void _MemberModelItem::setRegister(bool isRegister)
{
  _M_isRegister = isRegister;
}

bool _MemberModelItem::isExtern() const
{
  return _M_isExtern;
}

void _MemberModelItem::setExtern(bool isExtern)
{
  _M_isExtern = isExtern;
}

bool _MemberModelItem::isMutable() const
{
  return _M_isMutable;
}

void _MemberModelItem::setMutable(bool isMutable)
{
  _M_isMutable = isMutable;
}

// kate: space-indent on; indent-width 2; replace-tabs on;


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