source/classexceptions.cc

   1 /* This file is part of Shapes.
   2  *
   3  * Shapes is free software: you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation, either version 3 of the License, or
   6  * any later version.
   7  *
   8  * Shapes 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
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with Shapes.  If not, see <http://www.gnu.org/licenses/>.
  15  *
  16  * Copyright 2008, 2009 Henrik Tidefelt
  17  */
  18
  19 #include "classexceptions.h"
  20 #include "astclass.h"
  21
  22 using namespace Shapes;
  23 using namespace std;
  24
  25
  26 namespace Shapes
  27 {
  28         namespace Exceptions
  29         {
  30                 void prefixEachLine( const std::string & prefix, std::istream & src, std::ostream & dst );
  31                 void prefixEachLine( const std::string & prefix, const RefCountPtr< const char > & src, std::ostream & dst );
  32         }
  33 }
  34
  35
  36 Exceptions::IllegalFinalReference::IllegalFinalReference( RefCountPtr< const char > _valueType, const char * _fieldID )
  37         : Exceptions::RuntimeError( Ast::THE_UNKNOWN_LOCATION ), valueType( _valueType ), fieldID( _fieldID )
  38 { }
  39
  40 Exceptions::IllegalFinalReference::~IllegalFinalReference( )
  41 { }
  42
  43 void
  44 Exceptions::IllegalFinalReference::display( std::ostream & os ) const
  45 {
  46         os << "Attempt to access field of non-final class " << valueType << " without home class.       Use <HomeClass>#" << fieldID << " instead." << std::endl ;
  47 }
  48
  49
  50 Exceptions::NonExistentMember::NonExistentMember( RefCountPtr< const char > _valueType, const char * _fieldID )
  51         : Exceptions::RuntimeError( Ast::THE_UNKNOWN_LOCATION ), valueType( _valueType ), fieldID( _fieldID )
  52 { }
  53
  54 Exceptions::NonExistentMember::~NonExistentMember( )
  55 { }
  56
  57 void
  58 Exceptions::NonExistentMember::display( std::ostream & os ) const
  59 {
  60         os << "Class " << valueType << " has no (non-private) field called " << fieldID << "." << std::endl ;
  61 }
  62
  63
  64 Exceptions::NonExistentMutator::NonExistentMutator( RefCountPtr< const char > _valueType, const char * _mutatorID )
  65         : Exceptions::RuntimeError( Ast::THE_UNKNOWN_LOCATION ), valueType( _valueType ), mutatorID( _mutatorID )
  66 { }
  67
  68 Exceptions::NonExistentMutator::~NonExistentMutator( )
  69 { }
  70
  71 void
  72 Exceptions::NonExistentMutator::display( std::ostream & os ) const
  73 {
  74         os << "State type " << valueType << " has no mutator called " << mutatorID << "." << std::endl ;
  75 }
  76
  77
  78 Exceptions::ProtectedMemberPublicScope::ProtectedMemberPublicScope( RefCountPtr< const char > _valueType, const char * _fieldID )
  79         : Exceptions::RuntimeError( Ast::THE_UNKNOWN_LOCATION ), valueType( _valueType ), fieldID( _fieldID )
  80 { }
  81
  82 Exceptions::ProtectedMemberPublicScope::~ProtectedMemberPublicScope( )
  83 { }
  84
  85 void
  86 Exceptions::ProtectedMemberPublicScope::display( std::ostream & os ) const
  87 {
  88         os << "Trying to access protected member " << fieldID << " of class " << valueType << " via public instance." << std::endl ;
  89 }
  90
  91
  92 Exceptions::MemberNotAssignable::MemberNotAssignable( RefCountPtr< const char > _valueType, const char * _fieldID, RefCountPtr< const char > _scope )
  93         : Exceptions::RuntimeError( Ast::THE_UNKNOWN_LOCATION ), valueType( _valueType ), fieldID( _fieldID ), scope( _scope )
  94 { }
  95
  96 Exceptions::MemberNotAssignable::~MemberNotAssignable( )
  97 { }
  98
  99 void
 100 Exceptions::MemberNotAssignable::display( std::ostream & os ) const
 101 {
 102         os << "In " << scope << " scope of " << valueType << " :        The member " << fieldID << " is not assignable." << std::endl ;
 103 }
 104
 105
 106 Exceptions::InstantiatingAbstractClass::InstantiatingAbstractClass( RefCountPtr< const Lang::Class > _cls )
 107         : Exceptions::RuntimeError( Ast::THE_UNKNOWN_LOCATION ), cls( _cls )
 108 { }
 109
 110 Exceptions::InstantiatingAbstractClass::~InstantiatingAbstractClass( )
 111 { }
 112
 113 void
 114 Exceptions::InstantiatingAbstractClass::display( ostream & os ) const
 115 {
 116         os << "Trying to instantiate abstract class: " << cls->getPrettyName( ) << std::endl ;
 117 }
 118
 119
 120 Exceptions::FailedToDeclareClassAbstract::FailedToDeclareClassAbstract( RefCountPtr< const Lang::Class > _cls, const Shapes::Ast::ClassFunction * _classExpr )
 121         : Exceptions::RuntimeError( Ast::THE_UNKNOWN_LOCATION ), cls( _cls ), classExpr( _classExpr )
 122 { }
 123
 124 Exceptions::FailedToDeclareClassAbstract::~FailedToDeclareClassAbstract( )
 125 { }
 126
 127 void
 128 Exceptions::FailedToDeclareClassAbstract::display( ostream & os ) const
 129 {
 130         os << classExpr->loc( ) << " " << "Class " << cls->getPrettyName( ) << " has abstract methods but is not declared abstract: " ;
 131         cls->showAbstractSet( os );
 132         os << std::endl ;
 133 }
 134
 135
 136 Exceptions::RepeatedImmediateParent::RepeatedImmediateParent( RefCountPtr< const Lang::Class > _cls, RefCountPtr< const Lang::Class > _parent )
 137         : Exceptions::RuntimeError( Ast::THE_UNKNOWN_LOCATION ), cls( _cls ), parent( _parent )
 138 { }
 139
 140 Exceptions::RepeatedImmediateParent::~RepeatedImmediateParent( )
 141 { }
 142
 143 void
 144 Exceptions::RepeatedImmediateParent::display( ostream & os ) const
 145 {
 146         os << "When creating the class " << cls->getPrettyName( ) << ", the following class is a repeated immediate parent: " << parent->getPrettyName( ) << std::endl ;
 147 }
 148
 149
 150 Exceptions::OverridingNonParent::OverridingNonParent( RefCountPtr< const Lang::Class > _cls, RefCountPtr< const Lang::Class > _parent )
 151         : Exceptions::RuntimeError( Ast::THE_UNKNOWN_LOCATION ), cls( _cls ), parent( _parent )
 152 { }
 153
 154 Exceptions::OverridingNonParent::~OverridingNonParent( )
 155 { }
 156
 157 void
 158 Exceptions::OverridingNonParent::display( ostream & os ) const
 159 {
 160         os << "The class " << cls->getPrettyName( ) << " cannot override methods from the class " << parent->getPrettyName( ) << ", since the latter is not a parent of the former." << std::endl ;
 161 }
 162
 163
 164 Exceptions::InheritingFinal::InheritingFinal( RefCountPtr< const Lang::Class > _cls, RefCountPtr< const Lang::Class > _parent )
 165         : Exceptions::RuntimeError( Ast::THE_UNKNOWN_LOCATION ), cls( _cls ), parent( _parent )
 166 { }
 167
 168 Exceptions::InheritingFinal::~InheritingFinal( )
 169 { }
 170
 171 void
 172 Exceptions::InheritingFinal::display( ostream & os ) const
 173 {
 174         os << "When creating the class " << cls->getPrettyName( ) << ", trying to inherit from final class: " << parent->getPrettyName( ) << std::endl ;
 175 }
 176
 177
 178 Exceptions::OverridingUndeclaredMethod::OverridingUndeclaredMethod( RefCountPtr< const Lang::Class > _cls, RefCountPtr< const Lang::Class > _parent, const char * _id )
 179         : Exceptions::RuntimeError( Ast::THE_UNKNOWN_LOCATION ), cls( _cls ), parent( _parent ), id( _id )
 180 { }
 181
 182 Exceptions::OverridingUndeclaredMethod::~OverridingUndeclaredMethod( )
 183 { }
 184
 185 void
 186 Exceptions::OverridingUndeclaredMethod::display( ostream & os ) const
 187 {
 188         os << "In override declaration in class " << cls->getPrettyName( ) << ": there is no method called " << id << " in class " << parent->getPrettyName( ) << " to override." << std::endl ;
 189 }
 190
 191
 192 Exceptions::OverridingFinalMethod::OverridingFinalMethod( RefCountPtr< const Lang::Class > _cls, RefCountPtr< const Lang::Class > _parent, const char * _id )
 193         : Exceptions::RuntimeError( Ast::THE_UNKNOWN_LOCATION ), cls( _cls ), parent( _parent ), id( _id )
 194 { }
 195
 196 Exceptions::OverridingFinalMethod::~OverridingFinalMethod( )
 197 { }
 198
 199 void
 200 Exceptions::OverridingFinalMethod::display( ostream & os ) const
 201 {
 202         os << "In override declaration in class " << cls->getPrettyName( ) << ": The method " << id << " in class " << parent->getPrettyName( ) << " is final." << std::endl ;
 203 }
 204
 205
 206 Exceptions::IllegalRepeatedBase::IllegalRepeatedBase( RefCountPtr< const Lang::Class > _cls, RefCountPtr< const Lang::Class > _parent )
 207         : Exceptions::RuntimeError( Ast::THE_UNKNOWN_LOCATION ), cls( _cls ), parent( _parent )
 208 { }
 209
 210 Exceptions::IllegalRepeatedBase::~IllegalRepeatedBase( )
 211 { }
 212
 213 void
 214 Exceptions::IllegalRepeatedBase::display( ostream & os ) const
 215 {
 216         os << "When creating the class " << cls->getPrettyName( ) << ", the following repeated base class may not be repeated: " << parent->getPrettyName( ) << std::endl ;
 217 }
 218
 219
 220 Exceptions::AmbiguousInheritedMethod::AmbiguousInheritedMethod( RefCountPtr< const Lang::Class > _cls, RefCountPtr< const char > _id, std::set< RefCountPtr< const Lang::Class > > _parents )
 221         : Exceptions::RuntimeError( Ast::THE_UNKNOWN_LOCATION ), cls( _cls ), id( _id ), parents( _parents )
 222 { }
 223
 224 Exceptions::AmbiguousInheritedMethod::~AmbiguousInheritedMethod( )
 225 { }
 226
 227 void
 228 Exceptions::AmbiguousInheritedMethod::display( ostream & os ) const
 229 {
 230         os << "In class " << cls->getPrettyName( ) << ": the method name " << id << "   is ambiguous, as it is inherited from more than one class:" ;
 231         for( std::set< RefCountPtr< const Lang::Class > >::const_iterator i = parents.begin( ); i != parents.end( ); ++i )
 232                 {
 233                         os << " " << (*i)->getPrettyName( ) ;
 234                 }
 235         os << std::endl ;
 236 }
 237
 238
 239 Exceptions::MisplacedSuperReference::MisplacedSuperReference( const Ast::SourceLocation & _loc )
 240         : Exceptions::RuntimeError( _loc )
 241 { }
 242
 243 Exceptions::MisplacedSuperReference::~MisplacedSuperReference( )
 244 { }
 245
 246 void
 247 Exceptions::MisplacedSuperReference::display( std::ostream & os ) const
 248 {
 249         os << "Misplaced reference to parent instance." << std::endl ;
 250 }
 251
 252
 253 Exceptions::SuperReferenceClassNotParent::SuperReferenceClassNotParent( RefCountPtr< const Lang::Class > _cls, RefCountPtr< const Lang::Class > _parent )
 254         : Exceptions::RuntimeError( Ast::THE_UNKNOWN_LOCATION ), cls( _cls ), parent( _parent )
 255 { }
 256
 257 Exceptions::SuperReferenceClassNotParent::~SuperReferenceClassNotParent( )
 258 { }
 259
 260 void
 261 Exceptions::SuperReferenceClassNotParent::display( std::ostream & os ) const
 262 {
 263         os << "When referencing super instance, " << parent->getPrettyName( ) << " is not a parent of " << cls->getPrettyName( ) << "." << std::endl ;
 264 }
 265
 266
 267 Exceptions::NoSuchMethod::NoSuchMethod( RefCountPtr< const Lang::Class > _cls, const Kernel::MethodId & _method )
 268         : Exceptions::RuntimeError( Ast::THE_UNKNOWN_LOCATION ), cls( _cls ), method( _method )
 269 { }
 270
 271 Exceptions::NoSuchMethod::~NoSuchMethod( )
 272 { }
 273
 274 void
 275 Exceptions::NoSuchMethod::display( std::ostream & os ) const
 276 {
 277         os << "Class " << cls->getPrettyName( ) << " has no method called " << method.prettyName( ) << std::endl ;
 278 }
 279
 280
 281 Exceptions::NoSuchLocalMethod::NoSuchLocalMethod( RefCountPtr< const Lang::Class > _cls, const Kernel::MethodId & _method )
 282         : Exceptions::RuntimeError( Ast::THE_UNKNOWN_LOCATION ), cls( _cls ), method( _method )
 283 { }
 284
 285 Exceptions::NoSuchLocalMethod::~NoSuchLocalMethod( )
 286 { }
 287
 288 void
 289 Exceptions::NoSuchLocalMethod::display( std::ostream & os ) const
 290 {
 291         os << "Class " << cls->getPrettyName( ) << " does not itself define the method " << method.prettyName( ) << std::endl ;
 292 }