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Fix a crash in eraseToken

This commit is contained in:
Nicolas Le Cam 2008-12-12 00:18:57 +00:00
parent 949e1ad6b8
commit 4f8ab7fa03
1 changed files with 4 additions and 3 deletions
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7
token.cpp
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@ -377,7 +377,8 @@ void TOKEN::eraseToken()
{ {
TOKEN *next = this->next(); TOKEN *next = this->next();
this->next( next->next() ); this->next( next->next() );
next->next()->previous( this ); if ( next->next() )
next->next()->previous( this );
delete next; delete next;
} }
@ -404,7 +405,7 @@ void TOKEN::linenr( unsigned int linenr )
void TOKEN::printOut( const char *title ) const void TOKEN::printOut( const char *title ) const
{ {
std::cout << std::endl << "###"; std::cout << std::endl << "###";
if( title ) if ( title )
std::cout << " " << title << " "; std::cout << " " << title << " ";
else else
std::cout << "########"; std::cout << "########";
@ -413,7 +414,7 @@ void TOKEN::printOut( const char *title ) const
for( const TOKEN *t = this; t; t = t->next() ) for( const TOKEN *t = this; t; t = t->next() )
{ {
std::cout << t->linenr() << ": " << t->str(); std::cout << t->linenr() << ": " << t->str();
if( t->varId() ) if ( t->varId() )
std::cout << " ("<< t->varId() <<")"; std::cout << " ("<< t->varId() <<")";
std::cout << std::endl; std::cout << std::endl;