cpptoxml/parser/declarator_compiler.cpp

   1 /****************************************************************************
   2 **
   3 ** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
   4 ** Copyright (C) 2002-2005 Roberto Raggi <roberto@kdevelop.org>
   5 **
   6 ** This file is part of the Qt Script Generator project on Trolltech Labs.
   7 **
   8 ** This file may be used under the terms of the GNU General Public
   9 ** License version 2.0 as published by the Free Software Foundation
  10 ** and appearing in the file LICENSE.GPL included in the packaging of
  11 ** this file.  Please review the following information to ensure GNU
  12 ** General Public Licensing requirements will be met:
  13 ** http://www.trolltech.com/products/qt/opensource.html
  14 **
  15 ** If you are unsure which license is appropriate for your use, please
  16 ** review the following information:
  17 ** http://www.trolltech.com/products/qt/licensing.html or contact the
  18 ** sales department at sales@trolltech.com.
  19 **
  20 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
  21 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  22 **
  23 ****************************************************************************/
  24
  25
  26 #include "declarator_compiler.h"
  27 #include "name_compiler.h"
  28 #include "type_compiler.h"
  29 #include "compiler_utils.h"
  30 #include "lexer.h"
  31 #include "binder.h"
  32 #include "tokens.h"
  33
  34 #include <qdebug.h>
  35
  36 DeclaratorCompiler::DeclaratorCompiler(Binder *binder)
  37   : _M_binder (binder), _M_token_stream (binder->tokenStream ())
  38 {
  39 }
  40
  41 void DeclaratorCompiler::run(DeclaratorAST *node)
  42 {
  43   _M_id.clear();
  44   _M_parameters.clear();
  45   _M_array.clear();
  46   _M_function = false;
  47   _M_reference = false;
  48   _M_variadics = false;
  49   _M_indirection = 0;
  50
  51   if (node)
  52     {
  53       NameCompiler name_cc(_M_binder);
  54
  55       DeclaratorAST *decl = node;
  56       while (decl && decl->sub_declarator)
  57         decl = decl->sub_declarator;
  58
  59       Q_ASSERT (decl != 0);
  60
  61       name_cc.run(decl->id);
  62       _M_id = name_cc.name();
  63       _M_function = (node->parameter_declaration_clause != 0);
  64       if (node->parameter_declaration_clause && node->parameter_declaration_clause->ellipsis)
  65         _M_variadics = true;
  66
  67       visitNodes(this, node->ptr_ops);
  68       visit(node->parameter_declaration_clause);
  69
  70       if (const ListNode<ExpressionAST*> *it = node->array_dimensions)
  71         {
  72           it->toFront();
  73           const ListNode<ExpressionAST*> *end = it;
  74
  75           do
  76             {
  77               QString elt;
  78               if (ExpressionAST *expr = it->element)
  79                 {
  80                   const Token &start_token = _M_token_stream->token((int) expr->start_token);
  81                   const Token &end_token = _M_token_stream->token((int) expr->end_token);
  82
  83                   elt += QString::fromUtf8(&start_token.text[start_token.position],
  84                                            (int) (end_token.position - start_token.position)).trimmed();
  85                 }
  86
  87               _M_array.append (elt);
  88
  89               it = it->next;
  90             }
  91           while (it != end);
  92         }
  93     }
  94 }
  95
  96 void DeclaratorCompiler::visitPtrOperator(PtrOperatorAST *node)
  97 {
  98   std::size_t op =  _M_token_stream->kind(node->op);
  99
 100   switch (op)
 101     {
 102       case '&':
 103         _M_reference = true;
 104         break;
 105       case '*':
 106         ++_M_indirection;
 107         break;
 108
 109       default:
 110         break;
 111     }
 112
 113   if (node->mem_ptr)
 114     {
 115 #if defined(__GNUC__)
 116 #warning "ptr to mem -- not implemented"
 117 #endif
 118     }
 119 }
 120
 121 void DeclaratorCompiler::visitParameterDeclaration(ParameterDeclarationAST *node)
 122 {
 123   Parameter p;
 124
 125   TypeCompiler type_cc(_M_binder);
 126   DeclaratorCompiler decl_cc(_M_binder);
 127
 128   decl_cc.run(node->declarator);
 129
 130   p.name = decl_cc.id();
 131   p.type = CompilerUtils::typeDescription(node->type_specifier, node->declarator, _M_binder);
 132   if (node->expression != 0)
 133     {
 134       const Token &start = _M_token_stream->token((int) node->expression->start_token);
 135       const Token &end = _M_token_stream->token((int) node->expression->end_token);
 136       int length = (int) (end.position - start.position);
 137
 138       p.defaultValueExpression = QString();
 139       QString source = QString::fromUtf8(&start.text[start.position], length).trimmed();
 140       QStringList list = source.split("\n");
 141
 142
 143       for (int i=0; i<list.size(); ++i) {
 144           if (!list.at(i).startsWith("#"))
 145               p.defaultValueExpression += list.at(i).trimmed();
 146       }
 147
 148       p.defaultValue = p.defaultValueExpression.size() > 0;
 149
 150     }
 151
 152   _M_parameters.append(p);
 153 }
 154
 155 // kate: space-indent on; indent-width 2; replace-tabs on;