[51b7345] | 1 | #include <iostream> |
---|
| 2 | #include <cassert> |
---|
| 3 | #include <list> |
---|
| 4 | #include <algorithm> |
---|
| 5 | |
---|
| 6 | #include <iterator> |
---|
| 7 | |
---|
| 8 | #include "Type.h" |
---|
| 9 | #include "Expression.h" |
---|
| 10 | #include "Declaration.h" |
---|
| 11 | #include "Statement.h" |
---|
| 12 | #include "TypeSubstitution.h" |
---|
| 13 | #include "utility.h" |
---|
| 14 | |
---|
| 15 | |
---|
| 16 | //*** Expression |
---|
| 17 | Expression::Expression( Expression *_aname ) : env( 0 ), argName( _aname ) {} |
---|
| 18 | Expression::Expression( const Expression &other ) |
---|
| 19 | : env( maybeClone( other.env ) ) |
---|
| 20 | { |
---|
| 21 | cloneAll( other.results, results ); |
---|
| 22 | argName = other.get_argName(); |
---|
| 23 | } |
---|
| 24 | Expression::~Expression() |
---|
| 25 | { |
---|
| 26 | delete env; |
---|
| 27 | // delete argName; // xxx -- there's a problem in cloning ConstantExpr I still don't know how to fix |
---|
| 28 | deleteAll( results ); |
---|
| 29 | } |
---|
| 30 | |
---|
| 31 | void |
---|
| 32 | Expression::add_result( Type *t ) |
---|
| 33 | { |
---|
| 34 | if( TupleType *tuple = dynamic_cast< TupleType* >( t ) ) { |
---|
| 35 | std::copy( tuple->get_types().begin(), tuple->get_types().end(), back_inserter( results ) ); |
---|
| 36 | } else { |
---|
| 37 | results.push_back(t); |
---|
| 38 | } |
---|
| 39 | } |
---|
| 40 | |
---|
| 41 | void Expression::print(std::ostream &os, int indent) const { |
---|
| 42 | if( env ) { |
---|
| 43 | os << std::string(indent, ' ') << "with environment:" << std::endl; |
---|
| 44 | env->print( os, indent+2 ); |
---|
| 45 | } |
---|
| 46 | |
---|
| 47 | if( argName ) { |
---|
| 48 | os << std::string(indent, ' ') << "with designator:"; |
---|
| 49 | argName->print( os, indent+2 ); |
---|
| 50 | } |
---|
| 51 | } |
---|
| 52 | |
---|
| 53 | //*** ConstantExpr |
---|
| 54 | ConstantExpr::ConstantExpr(Constant _c, Expression *_aname ): |
---|
| 55 | Expression( _aname ), constant(_c) |
---|
| 56 | { |
---|
| 57 | add_result( constant.get_type()->clone() ); |
---|
| 58 | } |
---|
| 59 | |
---|
| 60 | ConstantExpr::ConstantExpr( const ConstantExpr &other) |
---|
| 61 | : Expression( other ), constant( other.constant ) |
---|
| 62 | {} |
---|
| 63 | |
---|
| 64 | ConstantExpr::~ConstantExpr() {} |
---|
| 65 | |
---|
| 66 | void ConstantExpr::print(std::ostream &os, int indent) const { |
---|
| 67 | os << std::string(indent, ' ') << "Constant Expression: " ; |
---|
| 68 | constant.print(os); |
---|
| 69 | os << std::endl; |
---|
| 70 | Expression::print( os, indent ); |
---|
| 71 | } |
---|
| 72 | |
---|
| 73 | //*** VariableExpr |
---|
| 74 | VariableExpr::VariableExpr( DeclarationWithType *_var, Expression *_aname ) : Expression( _aname ), var( _var ) |
---|
| 75 | { |
---|
| 76 | add_result( var->get_type()->clone() ); |
---|
| 77 | for( std::list< Type* >::iterator i = get_results().begin(); i != get_results().end(); ++i ) { |
---|
| 78 | (*i)->set_isLvalue( true ); |
---|
| 79 | } |
---|
| 80 | } |
---|
| 81 | |
---|
| 82 | VariableExpr::VariableExpr( const VariableExpr &other ) |
---|
| 83 | : Expression( other ), var( other.var ) |
---|
| 84 | { |
---|
| 85 | } |
---|
| 86 | |
---|
| 87 | VariableExpr::~VariableExpr() |
---|
| 88 | { |
---|
| 89 | // don't delete the declaration, since it points somewhere else in the tree |
---|
| 90 | } |
---|
| 91 | |
---|
| 92 | void VariableExpr::print(std::ostream &os, int indent) const { |
---|
| 93 | os << std::string(indent, ' ') << "Variable Expression: "; |
---|
| 94 | |
---|
| 95 | Declaration *decl = get_var(); |
---|
| 96 | // if( decl != 0) decl->print(os, indent + 2); |
---|
| 97 | if( decl != 0) decl->printShort(os, indent + 2); |
---|
| 98 | os << std::endl; |
---|
| 99 | Expression::print( os, indent ); |
---|
| 100 | } |
---|
| 101 | |
---|
| 102 | //*** SizeofExpr |
---|
| 103 | SizeofExpr::SizeofExpr( Expression *expr_, Expression *_aname ) : |
---|
| 104 | Expression( _aname ), expr(expr_), type(0), isType(false) |
---|
| 105 | { |
---|
| 106 | add_result( new BasicType( Type::Qualifiers(), BasicType::UnsignedInt ) ); |
---|
| 107 | } |
---|
| 108 | |
---|
| 109 | SizeofExpr::SizeofExpr( Type *type_, Expression *_aname ) : |
---|
| 110 | Expression( _aname ), expr(0), type(type_), isType(true) |
---|
| 111 | { |
---|
| 112 | add_result( new BasicType( Type::Qualifiers(), BasicType::UnsignedInt ) ); |
---|
| 113 | } |
---|
| 114 | |
---|
| 115 | SizeofExpr::SizeofExpr( const SizeofExpr &other ) |
---|
| 116 | : Expression( other ), expr( maybeClone( other.expr ) ), type( maybeClone( other.type ) ), isType( other.isType ) |
---|
| 117 | { |
---|
| 118 | } |
---|
| 119 | |
---|
| 120 | SizeofExpr::~SizeofExpr(){ |
---|
| 121 | delete expr; |
---|
| 122 | delete type; |
---|
| 123 | } |
---|
| 124 | |
---|
| 125 | void SizeofExpr::print( std::ostream &os, int indent) const { |
---|
| 126 | os << std::string(indent, ' ') << "Sizeof Expression on: "; |
---|
| 127 | |
---|
| 128 | if(isType) |
---|
| 129 | type->print(os, indent + 2); |
---|
| 130 | else |
---|
| 131 | expr->print(os, indent + 2); |
---|
| 132 | |
---|
| 133 | os << std::endl; |
---|
| 134 | Expression::print( os, indent ); |
---|
| 135 | } |
---|
| 136 | |
---|
| 137 | //*** AttrExpr |
---|
| 138 | AttrExpr::AttrExpr( Expression *attr, Expression *expr_, Expression *_aname ) : |
---|
| 139 | Expression( _aname ), attr( attr ), expr(expr_), type(0), isType(false) |
---|
| 140 | { |
---|
| 141 | } |
---|
| 142 | |
---|
| 143 | AttrExpr::AttrExpr( Expression *attr, Type *type_, Expression *_aname ) : |
---|
| 144 | Expression( _aname ), attr( attr ), expr(0), type(type_), isType(true) |
---|
| 145 | { |
---|
| 146 | } |
---|
| 147 | |
---|
| 148 | AttrExpr::AttrExpr( const AttrExpr &other ) |
---|
| 149 | : Expression( other ), attr( maybeClone( other.attr ) ), expr( maybeClone( other.expr ) ), type( maybeClone( other.type ) ), isType( other.isType ) |
---|
| 150 | { |
---|
| 151 | } |
---|
| 152 | |
---|
| 153 | AttrExpr::~AttrExpr(){ |
---|
| 154 | delete attr; |
---|
| 155 | delete expr; |
---|
| 156 | delete type; |
---|
| 157 | } |
---|
| 158 | |
---|
| 159 | void AttrExpr::print( std::ostream &os, int indent) const { |
---|
| 160 | os << std::string(indent, ' ') << "Attr "; |
---|
| 161 | attr->print( os, indent + 2 ); |
---|
| 162 | if( isType || expr ) { |
---|
| 163 | os << "applied to: "; |
---|
| 164 | |
---|
| 165 | if(isType) |
---|
| 166 | type->print(os, indent + 2); |
---|
| 167 | else |
---|
| 168 | expr->print(os, indent + 2); |
---|
| 169 | } |
---|
| 170 | |
---|
| 171 | os << std::endl; |
---|
| 172 | Expression::print( os, indent ); |
---|
| 173 | } |
---|
| 174 | |
---|
| 175 | //*** CastExpr |
---|
| 176 | CastExpr::CastExpr( Expression *arg_, Type *toType, Expression *_aname ) : Expression( _aname ), arg(arg_) |
---|
| 177 | { |
---|
| 178 | add_result(toType); |
---|
| 179 | } |
---|
| 180 | |
---|
| 181 | CastExpr::CastExpr( Expression *arg_, Expression *_aname ) : Expression( _aname ), arg(arg_) { |
---|
| 182 | } |
---|
| 183 | |
---|
| 184 | CastExpr::CastExpr( const CastExpr &other ) |
---|
| 185 | : Expression( other ), arg( maybeClone( other.arg ) ) |
---|
| 186 | { |
---|
| 187 | } |
---|
| 188 | |
---|
| 189 | CastExpr::~CastExpr() { |
---|
| 190 | delete arg; |
---|
| 191 | } |
---|
| 192 | |
---|
| 193 | // CastExpr *CastExpr::clone() const { return 0; } |
---|
| 194 | |
---|
| 195 | void CastExpr::print( std::ostream &os, int indent ) const { |
---|
| 196 | os << std::string(indent, ' ') << "Cast of:" << std::endl; |
---|
| 197 | arg->print(os, indent+2); |
---|
| 198 | os << std::endl << std::string(indent, ' ') << "to:" << std::endl; |
---|
| 199 | if( results.empty() ) { |
---|
| 200 | os << std::string(indent+2, ' ') << "nothing" << std::endl; |
---|
| 201 | } else { |
---|
| 202 | printAll(results, os, indent+2); |
---|
| 203 | } |
---|
| 204 | Expression::print( os, indent ); |
---|
| 205 | } |
---|
| 206 | |
---|
| 207 | //*** UntypedMemberExpr |
---|
| 208 | UntypedMemberExpr::UntypedMemberExpr( std::string _member, Expression *_aggregate, Expression *_aname ) : |
---|
| 209 | Expression( _aname ), member(_member), aggregate(_aggregate) {} |
---|
| 210 | |
---|
| 211 | UntypedMemberExpr::UntypedMemberExpr( const UntypedMemberExpr &other ) |
---|
| 212 | : Expression( other ), member( other.member ), aggregate( maybeClone( other.aggregate ) ) |
---|
| 213 | { |
---|
| 214 | } |
---|
| 215 | |
---|
| 216 | UntypedMemberExpr::~UntypedMemberExpr() { |
---|
| 217 | delete aggregate; |
---|
| 218 | } |
---|
| 219 | |
---|
| 220 | void UntypedMemberExpr::print( std::ostream &os, int indent ) const { |
---|
| 221 | os << std::string(indent, ' ') << "Member Expression, with field: " << get_member(); |
---|
| 222 | |
---|
| 223 | Expression *agg = get_aggregate(); |
---|
| 224 | os << std::string(indent, ' ') << "from aggregate: "; |
---|
| 225 | if (agg != 0) agg->print(os, indent + 2); |
---|
| 226 | Expression::print( os, indent ); |
---|
| 227 | } |
---|
| 228 | |
---|
| 229 | |
---|
| 230 | //*** MemberExpr |
---|
| 231 | MemberExpr::MemberExpr( DeclarationWithType *_member, Expression *_aggregate, Expression *_aname ) : |
---|
| 232 | Expression( _aname ), member(_member), aggregate(_aggregate) |
---|
| 233 | { |
---|
| 234 | add_result( member->get_type()->clone() ); |
---|
| 235 | for( std::list< Type* >::iterator i = get_results().begin(); i != get_results().end(); ++i ) { |
---|
| 236 | (*i)->set_isLvalue( true ); |
---|
| 237 | } |
---|
| 238 | } |
---|
| 239 | |
---|
| 240 | MemberExpr::MemberExpr( const MemberExpr &other ) |
---|
| 241 | : Expression( other ), member( maybeClone( other.member ) ), aggregate( maybeClone( other.aggregate ) ) |
---|
| 242 | { |
---|
| 243 | } |
---|
| 244 | |
---|
| 245 | MemberExpr::~MemberExpr() { |
---|
| 246 | delete member; |
---|
| 247 | delete aggregate; |
---|
| 248 | } |
---|
| 249 | |
---|
| 250 | void MemberExpr::print( std::ostream &os, int indent ) const { |
---|
| 251 | os << std::string(indent, ' ') << "Member Expression, with field: " << std::endl; |
---|
| 252 | |
---|
| 253 | assert( member ); |
---|
| 254 | os << std::string(indent + 2, ' '); |
---|
| 255 | member->print( os, indent + 2 ); |
---|
| 256 | os << std::endl; |
---|
| 257 | |
---|
| 258 | Expression *agg = get_aggregate(); |
---|
| 259 | os << std::string(indent, ' ') << "from aggregate: " << std::endl; |
---|
| 260 | if (agg != 0) agg->print(os, indent + 2); |
---|
| 261 | Expression::print( os, indent ); |
---|
| 262 | } |
---|
| 263 | |
---|
| 264 | |
---|
| 265 | //*** UntypedExpr |
---|
| 266 | UntypedExpr::UntypedExpr( Expression *_function, Expression *_aname ) : Expression( _aname ), function( _function ) {} |
---|
| 267 | |
---|
| 268 | UntypedExpr::UntypedExpr( const UntypedExpr &other ) |
---|
| 269 | : Expression( other ), function( maybeClone( other.function ) ) |
---|
| 270 | { |
---|
| 271 | cloneAll( other.args, args ); |
---|
| 272 | } |
---|
| 273 | |
---|
| 274 | UntypedExpr::UntypedExpr( Expression *_function, std::list<Expression *> &_args, Expression *_aname ) : |
---|
| 275 | Expression( _aname ), function(_function), args(_args) {} |
---|
| 276 | |
---|
| 277 | UntypedExpr::~UntypedExpr() {} |
---|
| 278 | |
---|
| 279 | void UntypedExpr::print( std::ostream &os, int indent ) const { |
---|
| 280 | os << std::string(indent, ' ') << "Applying untyped: " << std::endl; |
---|
| 281 | function->print(os, indent + 4); |
---|
| 282 | os << "\r" << std::string(indent, ' ') << "...to: " << std::endl; |
---|
| 283 | printArgs(os, indent + 4); |
---|
| 284 | Expression::print( os, indent ); |
---|
| 285 | } |
---|
| 286 | |
---|
| 287 | void UntypedExpr::printArgs(std::ostream &os, int indent ) const { |
---|
| 288 | std::list<Expression *>::const_iterator i; |
---|
| 289 | for(i = args.begin(); i != args.end(); i++) |
---|
| 290 | (*i)->print(os, indent); |
---|
| 291 | } |
---|
| 292 | |
---|
| 293 | //*** NameExpr |
---|
| 294 | NameExpr::NameExpr( std::string _name, Expression *_aname ) : Expression( _aname ), name(_name) {} |
---|
| 295 | |
---|
| 296 | NameExpr::NameExpr( const NameExpr &other ) |
---|
| 297 | : Expression( other ), name( other.name ) |
---|
| 298 | { |
---|
| 299 | } |
---|
| 300 | |
---|
| 301 | NameExpr::~NameExpr() {} |
---|
| 302 | |
---|
| 303 | void NameExpr::print( std::ostream &os, int indent ) const { |
---|
| 304 | os << std::string(indent, ' ') << "Name: " << get_name() << std::endl; |
---|
| 305 | Expression::print( os, indent ); |
---|
| 306 | } |
---|
| 307 | |
---|
| 308 | //*** LogicalExpr |
---|
| 309 | LogicalExpr::LogicalExpr( Expression *arg1_, Expression *arg2_, bool andp, Expression *_aname ) : |
---|
| 310 | Expression( _aname ), arg1(arg1_), arg2(arg2_), isAnd(andp) |
---|
| 311 | { |
---|
| 312 | add_result( new BasicType( Type::Qualifiers(), BasicType::SignedInt ) ); |
---|
| 313 | } |
---|
| 314 | |
---|
| 315 | LogicalExpr::LogicalExpr( const LogicalExpr &other ) |
---|
| 316 | : Expression( other ), arg1( maybeClone( other.arg1 ) ), arg2( maybeClone( other.arg2 ) ), isAnd( other.isAnd ) |
---|
| 317 | { |
---|
| 318 | } |
---|
| 319 | |
---|
| 320 | LogicalExpr::~LogicalExpr(){ |
---|
| 321 | delete arg1; |
---|
| 322 | delete arg2; |
---|
| 323 | } |
---|
| 324 | |
---|
| 325 | void LogicalExpr::print( std::ostream &os, int indent )const { |
---|
| 326 | os << std::string(indent, ' ') << "Short-circuited operation (" << (isAnd?"and":"or") << ") on: "; |
---|
| 327 | arg1->print(os); |
---|
| 328 | os << " and "; |
---|
| 329 | arg2->print(os); |
---|
| 330 | os << std::endl; |
---|
| 331 | Expression::print( os, indent ); |
---|
| 332 | } |
---|
| 333 | |
---|
| 334 | //*** ConditionalExpr |
---|
| 335 | ConditionalExpr::ConditionalExpr( Expression *arg1_, Expression *arg2_, Expression *arg3_, Expression *_aname ) : |
---|
| 336 | Expression( _aname ), arg1(arg1_), arg2(arg2_), arg3(arg3_) {} |
---|
| 337 | |
---|
| 338 | ConditionalExpr::ConditionalExpr( const ConditionalExpr &other ) |
---|
| 339 | : Expression( other ), arg1( maybeClone( other.arg1 ) ), arg2( maybeClone( other.arg2 ) ), arg3( maybeClone( other.arg3 ) ) |
---|
| 340 | { |
---|
| 341 | } |
---|
| 342 | |
---|
| 343 | ConditionalExpr::~ConditionalExpr() { |
---|
| 344 | delete arg1; |
---|
| 345 | delete arg2; |
---|
| 346 | delete arg3; |
---|
| 347 | } |
---|
| 348 | |
---|
| 349 | void ConditionalExpr::print( std::ostream &os, int indent ) const { |
---|
| 350 | os << std::string(indent, ' ') << "Conditional expression on: " << std::endl; |
---|
| 351 | arg1->print( os, indent+2 ); |
---|
| 352 | os << std::string(indent, ' ') << "First alternative:" << std::endl; |
---|
| 353 | arg2->print( os, indent+2 ); |
---|
| 354 | os << std::string(indent, ' ') << "Second alternative:" << std::endl; |
---|
| 355 | arg3->print( os, indent+2 ); |
---|
| 356 | os << std::endl; |
---|
| 357 | Expression::print( os, indent ); |
---|
| 358 | } |
---|
| 359 | |
---|
| 360 | //*** UntypedValofExpr |
---|
| 361 | void UntypedValofExpr::print( std::ostream &os, int indent ) const |
---|
| 362 | { |
---|
| 363 | os << std::string(indent, ' ') << "Valof Expression: " << std::endl; |
---|
| 364 | if( get_body() != 0 ) |
---|
| 365 | get_body()->print( os, indent + 2 ); |
---|
| 366 | } |
---|
| 367 | |
---|
| 368 | |
---|