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tdevelop/languages/cpp/ast_utils.cpp

191 lines
4.7 KiB

/***************************************************************************
* Copyright (C) 2002 by Roberto Raggi *
* roberto@kdevelop.org *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "ast_utils.h"
#include "ast.h"
#include <qstringlist.h>
#include <qregexp.h>
#include <klocale.h>
#include <kdebug.h>
#include <kapplication.h>
#include <ktexteditor/editinterface.h>
#include "cppsupport_utils.h"
AST* findNodeAt( AST* node, int line, int column )
{
// kdDebug(9007) << "findNodeAt(" << node << ")" << endl;
if ( !node )
return 0;
int startLine, startColumn;
int endLine, endColumn;
node->getStartPosition( &startLine, &startColumn );
node->getEndPosition( &endLine, &endColumn );
if ( ( line > startLine || ( line == startLine && column >= startColumn ) ) &&
( line < endLine || ( line == endLine && column < endColumn ) ) )
{
QPtrList<AST> children = node->children();
QPtrListIterator<AST> it( children );
while ( it.current() )
{
AST * a = it.current();
++it;
AST* r = findNodeAt( a, line, column );
if ( r )
return r;
}
return node;
}
return 0;
}
void scopeOfNode( AST* ast, QStringList& scope )
{
if ( !ast )
return ;
if ( ast->parent() )
scopeOfNode( ast->parent(), scope );
QString s;
switch ( ast->nodeType() )
{
case NodeType_ClassSpecifier:
if ( ( ( ClassSpecifierAST* ) ast ) ->name() )
{
s = ( ( ClassSpecifierAST* ) ast ) ->name() ->text();
s = s.isEmpty() ? QString::fromLatin1( "<unnamed>" ) : s;
scope.push_back( s );
}
break;
case NodeType_Namespace:
{
AST* namespaceName = ( ( NamespaceAST* ) ast ) ->namespaceName();
s = namespaceName ? namespaceName->text() : QString::fromLatin1( "<unnamed>" );
scope.push_back( s );
}
break;
case NodeType_FunctionDefinition:
{
FunctionDefinitionAST* funDef = static_cast<FunctionDefinitionAST*>( ast );
DeclaratorAST* d = funDef->initDeclarator() ->declarator();
// hotfix for bug #68726
if ( !d->declaratorId() )
break;
QPtrList<ClassOrNamespaceNameAST> l = d->declaratorId() ->classOrNamespaceNameList();
QPtrListIterator<ClassOrNamespaceNameAST> nameIt( l );
while ( nameIt.current() )
{
AST * name = nameIt.current() ->name();
scope.push_back( name->text() );
++nameIt;
}
}
break;
default:
break;
}
}
QString typeSpecToString( TypeSpecifierAST* typeSpec ) /// @todo remove
{
if ( !typeSpec )
return QString::null;
return typeSpec->text().replace( QRegExp( " :: " ), "::" );
}
QString declaratorToString( DeclaratorAST* declarator, const QString& scope, bool skipPtrOp )
{
if ( !declarator )
return QString::null;
QString text;
if ( !skipPtrOp )
{
QPtrList<AST> ptrOpList = declarator->ptrOpList();
for ( QPtrListIterator<AST> it( ptrOpList ); it.current(); ++it )
{
text += it.current() ->text();
}
text += " ";
}
text += scope;
if ( declarator->subDeclarator() )
text += QString::fromLatin1( "(" ) + declaratorToString( declarator->subDeclarator() ) + QString::fromLatin1( ")" );
if ( declarator->declaratorId() )
text += declarator->declaratorId() ->text();
QPtrList<AST> arrays = declarator->arrayDimensionList();
QPtrListIterator<AST> it( arrays );
while ( it.current() )
{
text += "[]";
++it;
}
if ( declarator->parameterDeclarationClause() )
{
text += formattedOpeningParenthesis();
ParameterDeclarationListAST* l = declarator->parameterDeclarationClause() ->parameterDeclarationList();
if ( l != 0 )
{
QPtrList<ParameterDeclarationAST> params = l->parameterList();
QPtrListIterator<ParameterDeclarationAST> it( params );
while ( it.current() )
{
QString type = typeSpecToString( it.current() ->typeSpec() );
text += type;
if ( !type.isEmpty() )
text += " ";
text += declaratorToString( it.current() ->declarator() );
++it;
if ( it.current() )
text += ", ";
}
}
text += formattedClosingParenthesis();
if ( declarator->constant() != 0 )
text += " const";
}
return text.replace( QRegExp( " :: " ), "::" ).simplifyWhiteSpace();
}
//kate: indent-mode csands; tab-width 4; space-indent off;