language/duchain/functiondefinition.cpp

   1 /* This file is part of KDevelop
   2     Copyright 2008 David Nolden <david.nolden.kdevelop@art-master.de>
   3
   4    This library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Library General Public
   6    License version 2 as published by the Free Software Foundation.
   7
   8    This library is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11    Library General Public License for more details.
  12
  13    You should have received a copy of the GNU Library General Public License
  14    along with this library; see the file COPYING.LIB.  If not, write to
  15    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  16    Boston, MA 02110-1301, USA.
  17 */
  18
  19 #include "functiondefinition.h"
  20 #include "duchainregister.h"
  21 #include "definitions.h"
  22
  23 namespace KDevelop {
  24 REGISTER_DUCHAIN_ITEM(FunctionDefinition);
  25
  26 FunctionDefinition::FunctionDefinition(FunctionDefinitionData& data) : FunctionDeclaration(data)
  27 {
  28 }
  29
  30 FunctionDefinition::FunctionDefinition(const SimpleRange& range, DUContext* context)
  31   : FunctionDeclaration(*new FunctionDefinitionData, range)
  32 {
  33   d_func_dynamic()->setClassId(this);
  34   if( context )
  35     setContext( context );
  36 }
  37
  38 FunctionDefinition::FunctionDefinition(const FunctionDefinition& rhs) : FunctionDeclaration(*new FunctionDefinitionData(*rhs.d_func())) {
  39 }
  40
  41 FunctionDefinition::~FunctionDefinition() {
  42   if(!topContext()->isOnDisk())
  43     DUChain::definitions()->removeDefinition(d_func()->m_declaration, this);
  44 }
  45
  46 Declaration* FunctionDefinition::declaration(TopDUContext* topContext) const
  47 {
  48   ENSURE_CAN_READ
  49
  50   KDevVarLengthArray<Declaration*> declarations = d_func()->m_declaration.getDeclarations(topContext ? topContext : this->topContext());
  51
  52   FOREACH_ARRAY(Declaration* decl, declarations) {
  53     if(!dynamic_cast<FunctionDefinition*>(decl))
  54       return decl;
  55   }
  56
  57   return 0;
  58 }
  59
  60 bool FunctionDefinition::hasDeclaration() const
  61 {
  62   return d_func()->m_declaration.isValid();
  63 }
  64
  65 void FunctionDefinition::setDeclaration(Declaration* declaration)
  66 {
  67   ENSURE_CAN_WRITE
  68
  69   if(declaration) {
  70     DUChain::definitions()->addDefinition(declaration->id(), this);
  71     d_func_dynamic()->m_declaration = declaration->id();
  72   }else{
  73     if(d_func()->m_declaration.isValid()) {
  74       DUChain::definitions()->removeDefinition(d_func()->m_declaration, this);
  75       d_func_dynamic()->m_declaration = DeclarationId();
  76     }
  77   }
  78 }
  79
  80 FunctionDefinition* FunctionDefinition::definition(const Declaration* decl)
  81 {
  82   ENSURE_CHAIN_READ_LOCKED
  83   KDevVarLengthArray<IndexedDeclaration> allDefinitions = DUChain::definitions()->definitions(decl->id());
  84   FOREACH_ARRAY(IndexedDeclaration decl, allDefinitions) {
  85     if(decl.data()) ///@todo Find better ways of deciding which definition to use
  86       return dynamic_cast<FunctionDefinition*>(decl.data());
  87   }
  88   return 0;
  89 }
  90
  91 Declaration* FunctionDefinition::clonePrivate() const
  92 {
  93   return new FunctionDefinition(*new FunctionDefinitionData(*d_func()));
  94 }
  95
  96 }