Changes in src/Common/PassVisitor.impl.h [6ca154b:af5c204a]
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src/Common/PassVisitor.impl.h (modified) (15 diffs)
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src/Common/PassVisitor.impl.h
r6ca154b raf5c204a 4 4 __attribute__((unused)) \ 5 5 const auto & guard = init_guard(); \ 6 bool visit_children = true; \7 set_visit_children( visit_children ); \8 6 call_previsit( node ); \ 9 if( visit_children ) {\7 if( visit_children() ) { \ 10 8 11 9 #define VISIT_END( node ) \ 12 10 } \ 11 reset_visit(); \ 13 12 call_postvisit( node ); \ 14 13 … … 16 15 __attribute__((unused)) \ 17 16 const auto & guard = init_guard(); \ 18 bool visit_children = true; \19 set_visit_children( visit_children ); \20 17 call_premutate( node ); \ 21 if( visit_children ) {\18 if( visit_children() ) { \ 22 19 23 20 #define MUTATE_END( type, node ) \ 24 21 } \ 22 reset_visit(); \ 25 23 return call_postmutate< type * >( node ); \ 26 24 … … 44 42 } 45 43 46 typedef std::list< Statement * > StmtList_t; 47 typedef std::list< Declaration * > DeclList_t; 48 49 template<typename iterator_t> 50 static inline void splice( iterator_t it, DeclList_t * decls ) { 51 std::transform( 52 decls->begin(), 53 decls->end(), 54 it, 55 [](Declaration * decl) -> auto { 56 return new DeclStmt( noLabels, decl ); 57 } 58 ); 59 decls->clear(); 60 } 61 62 template< typename pass_type > 63 static inline void acceptAll( std::list< Declaration* > &decls, PassVisitor< pass_type >& visitor ) { 64 65 DeclList_t* beforeDecls = visitor.get_beforeDecls(); 66 DeclList_t* afterDecls = visitor.get_afterDecls(); 67 68 for ( std::list< Declaration* >::iterator i = decls.begin(); ; ++i ) { 69 // splice in new declarations after previous decl 70 if ( !empty( afterDecls ) ) { decls.splice( i, *afterDecls ); } 71 72 if ( i == decls.end() ) break; 73 74 // run mutator on declaration 75 maybeAccept( *i, visitor ); 76 77 // splice in new declarations before current decl 78 if ( !empty( beforeDecls ) ) { decls.splice( i, *beforeDecls ); } 79 } 80 } 81 82 template< typename pass_type > 83 static inline void mutateAll( std::list< Declaration* > &decls, PassVisitor< pass_type >& mutator ) { 84 85 DeclList_t* beforeDecls = mutator.get_beforeDecls(); 86 DeclList_t* afterDecls = mutator.get_afterDecls(); 87 88 for ( std::list< Declaration* >::iterator i = decls.begin(); ; ++i ) { 89 // splice in new declarations after previous decl 90 if ( !empty( afterDecls ) ) { decls.splice( i, *afterDecls ); } 91 92 if ( i == decls.end() ) break; 93 94 // run mutator on declaration 95 *i = maybeMutate( *i, mutator ); 96 97 // splice in new declarations before current decl 98 if ( !empty( beforeDecls ) ) { decls.splice( i, *beforeDecls ); } 99 } 100 } 101 102 template< typename pass_type > 103 template< typename func_t > 104 void PassVisitor< pass_type >::handleStatementList( std::list< Statement * > & statements, func_t func ) { 44 typedef std::list< Statement * > StmtList_t; 45 46 template< typename pass_type > 47 void PassVisitor< pass_type >::visitStatementList( std::list< Statement * > & statements ) { 105 48 SemanticError errors; 106 49 107 50 StmtList_t* beforeStmts = get_beforeStmts(); 108 51 StmtList_t* afterStmts = get_afterStmts(); 109 DeclList_t* beforeDecls = get_beforeDecls();110 DeclList_t* afterDecls = get_afterDecls();111 52 112 53 for ( std::list< Statement* >::iterator i = statements.begin(); i != statements.end(); ++i ) { 113 114 if ( !empty( afterDecls ) ) { splice( std::inserter( statements, i ), afterDecls ); }115 54 if ( !empty( afterStmts ) ) { statements.splice( i, *afterStmts ); } 116 117 55 try { 118 func( *i ); 119 assert(( empty( beforeStmts ) && empty( afterStmts )) 120 || ( empty( beforeDecls ) && empty( afterDecls )) ); 121 56 (*i)->accept( *this ); 122 57 } catch ( SemanticError &e ) { 123 58 errors.append( e ); 124 59 } 125 126 if ( !empty( beforeDecls ) ) { splice( std::inserter( statements, i ), beforeDecls ); }127 60 if ( !empty( beforeStmts ) ) { statements.splice( i, *beforeStmts ); } 128 61 } 129 62 130 if ( !empty( afterDecls ) ) { splice( std::back_inserter( statements ), afterDecls); }131 63 if ( !empty( afterStmts ) ) { statements.splice( statements.end(), *afterStmts ); } 132 64 if ( !errors.isEmpty() ) { throw errors; } … … 134 66 135 67 template< typename pass_type > 136 void PassVisitor< pass_type >::visitStatementList( std::list< Statement * > & statements ) {137 handleStatementList( statements, [this]( Statement * stmt) {138 stmt->accept( *this );139 });140 }141 142 template< typename pass_type >143 68 void PassVisitor< pass_type >::mutateStatementList( std::list< Statement * > & statements ) { 144 handleStatementList( statements, [this]( Statement *& stmt) { 145 stmt = stmt->acceptMutator( *this ); 146 }); 147 } 148 149 150 template< typename pass_type > 151 template< typename func_t > 152 Statement * PassVisitor< pass_type >::handleStatement( Statement * stmt, func_t func ) { 153 // don't want statements from outer CompoundStmts to be added to this CompoundStmt 154 ValueGuardPtr< TypeSubstitution * > oldEnv ( get_env_ptr () ); 155 ValueGuardPtr< DeclList_t > oldBeforeDecls( get_beforeDecls() ); 156 ValueGuardPtr< DeclList_t > oldAfterDecls ( get_afterDecls () ); 157 ValueGuardPtr< StmtList_t > oldBeforeStmts( get_beforeStmts() ); 158 ValueGuardPtr< StmtList_t > oldAfterStmts ( get_afterStmts () ); 159 160 Statement *newStmt = func( stmt ); 69 SemanticError errors; 161 70 162 71 StmtList_t* beforeStmts = get_beforeStmts(); 163 72 StmtList_t* afterStmts = get_afterStmts(); 164 DeclList_t* beforeDecls = get_beforeDecls(); 165 DeclList_t* afterDecls = get_afterDecls(); 166 167 if( empty(beforeStmts) && empty(afterStmts) && empty(beforeDecls) && empty(afterDecls) ) { return newStmt; } 168 assert(( empty( beforeStmts ) && empty( afterStmts )) 169 || ( empty( beforeDecls ) && empty( afterDecls )) ); 73 74 for ( std::list< Statement* >::iterator i = statements.begin(); i != statements.end(); ++i ) { 75 if ( !empty( afterStmts ) ) { statements.splice( i, *afterStmts ); } 76 try { 77 *i = (*i)->acceptMutator( *this ); 78 } catch ( SemanticError &e ) { 79 errors.append( e ); 80 } 81 if ( !empty( beforeStmts ) ) { statements.splice( i, *beforeStmts ); } 82 } 83 84 if ( !empty( afterStmts ) ) { statements.splice( statements.end(), *afterStmts ); } 85 if ( !errors.isEmpty() ) { throw errors; } 86 } 87 88 template< typename pass_type > 89 Statement * PassVisitor< pass_type >::visitStatement( Statement * stmt ) { 90 // don't want statements from outer CompoundStmts to be added to this CompoundStmt 91 ValueGuardPtr< TypeSubstitution * > oldEnv ( get_env_ptr() ); 92 ValueGuardPtr< std::list< Statement* > > oldBeforeStmts( get_beforeStmts() ); 93 ValueGuardPtr< std::list< Statement* > > oldAfterStmts ( get_afterStmts () ); 94 95 maybeAccept( stmt, *this ); 96 97 StmtList_t* beforeStmts = get_beforeStmts(); 98 StmtList_t* afterStmts = get_afterStmts(); 99 100 if( empty(beforeStmts) && empty(afterStmts) ) { return stmt; } 170 101 171 102 CompoundStmt *compound = new CompoundStmt( noLabels ); 172 if( !empty(beforeDecls) ) { splice( std::back_inserter( compound->get_kids() ), beforeDecls ); } 103 if( !empty(beforeStmts) ) { compound->get_kids().splice( compound->get_kids().end(), *beforeStmts ); } 104 compound->get_kids().push_back( stmt ); 105 if( !empty(afterStmts) ) { compound->get_kids().splice( compound->get_kids().end(), *afterStmts ); } 106 return compound; 107 } 108 109 template< typename pass_type > 110 Statement * PassVisitor< pass_type >::mutateStatement( Statement * stmt ) { 111 // don't want statements from outer CompoundStmts to be added to this CompoundStmt 112 ValueGuardPtr< TypeSubstitution * > oldEnv ( get_env_ptr() ); 113 ValueGuardPtr< std::list< Statement* > > oldBeforeStmts( get_beforeStmts() ); 114 ValueGuardPtr< std::list< Statement* > > oldAfterStmts ( get_afterStmts () ); 115 116 Statement *newStmt = maybeMutate( stmt, *this ); 117 118 StmtList_t* beforeStmts = get_beforeStmts(); 119 StmtList_t* afterStmts = get_afterStmts(); 120 121 if( empty(beforeStmts) && empty(afterStmts) ) { return newStmt; } 122 123 CompoundStmt *compound = new CompoundStmt( noLabels ); 173 124 if( !empty(beforeStmts) ) { compound->get_kids().splice( compound->get_kids().end(), *beforeStmts ); } 174 125 compound->get_kids().push_back( newStmt ); 175 if( !empty(afterDecls) ) { splice( std::back_inserter( compound->get_kids() ), afterDecls ); }176 126 if( !empty(afterStmts) ) { compound->get_kids().splice( compound->get_kids().end(), *afterStmts ); } 177 127 return compound; 178 128 } 179 129 180 template< typename pass_type > 181 Statement * PassVisitor< pass_type >::visitStatement( Statement * stmt ) { 182 return handleStatement( stmt, [this]( Statement * stmt ) { 183 maybeAccept( stmt, *this ); 184 return stmt; 185 }); 186 } 187 188 template< typename pass_type > 189 Statement * PassVisitor< pass_type >::mutateStatement( Statement * stmt ) { 190 return handleStatement( stmt, [this]( Statement * stmt ) { 191 return maybeMutate( stmt, *this ); 192 }); 193 } 194 195 template< typename pass_type > 196 template< typename func_t > 197 Expression * PassVisitor< pass_type >::handleExpression( Expression * expr, func_t func ) { 198 if( !expr ) return nullptr; 130 131 132 template< typename pass_type > 133 void PassVisitor< pass_type >::visitExpression( Expression * expr ) { 134 if( !expr ) return; 199 135 200 136 auto env_ptr = get_env_ptr(); … … 202 138 *env_ptr = expr->get_env(); 203 139 } 204 205 // should env be cloned (or moved) onto the result of the mutate? 206 return func( expr ); 207 } 208 209 template< typename pass_type > 210 Expression * PassVisitor< pass_type >::visitExpression( Expression * expr ) { 211 return handleExpression(expr, [this]( Expression * expr ) { 212 expr->accept( *this ); 213 return expr; 214 }); 140 // xxx - should env be cloned (or moved) onto the result of the mutate? 141 expr->accept( *this ); 215 142 } 216 143 217 144 template< typename pass_type > 218 145 Expression * PassVisitor< pass_type >::mutateExpression( Expression * expr ) { 219 return handleExpression(expr, [this]( Expression * expr ) { 220 return expr->acceptMutator( *this ); 221 }); 222 } 146 if( !expr ) return nullptr; 147 148 auto env_ptr = get_env_ptr(); 149 if ( env_ptr && expr->get_env() ) { 150 *env_ptr = expr->get_env(); 151 } 152 // xxx - should env be cloned (or moved) onto the result of the mutate? 153 return expr->acceptMutator( *this ); 154 } 155 223 156 224 157 //------------------------------------------------------------------------------------------------------------------------------------------------------------------------ … … 298 231 void PassVisitor< pass_type >::visit( ExprStmt * node ) { 299 232 VISIT_START( node ); 233 call_beginScope(); 300 234 301 235 visitExpression( node->get_expr() ); 302 236 237 call_endScope(); 303 238 VISIT_END( node ); 304 239 } … … 313 248 } 314 249 315 //--------------------------------------------------------------------------316 // AsmStmt317 250 template< typename pass_type > 318 251 void PassVisitor< pass_type >::visit( AsmStmt * node ) { 319 252 VISIT_BODY( node ); 320 }321 322 template< typename pass_type >323 Statement * PassVisitor< pass_type >::mutate( AsmStmt * node ) {324 MUTATE_BODY( Statement, node );325 253 } 326 254 … … 372 300 373 301 //-------------------------------------------------------------------------- 374 // ForStmt302 // WhileStmt 375 303 template< typename pass_type > 376 304 void PassVisitor< pass_type >::visit( ForStmt * node ) { … … 420 348 421 349 //-------------------------------------------------------------------------- 422 // CaseStmt350 // SwitchStmt 423 351 template< typename pass_type > 424 352 void PassVisitor< pass_type >::visit( CaseStmt * node ) { … … 441 369 } 442 370 443 //--------------------------------------------------------------------------444 // BranchStmt445 371 template< typename pass_type > 446 372 void PassVisitor< pass_type >::visit( BranchStmt * node ) { 447 373 VISIT_BODY( node ); 448 }449 450 template< typename pass_type >451 Statement * PassVisitor< pass_type >::mutate( BranchStmt * node ) {452 MUTATE_BODY( Statement, node );453 374 } 454 375 … … 494 415 maybeAccept( node->get_block(), *this ); 495 416 acceptAll( node->get_catchers(), *this ); 496 maybeAccept( node->get_finally(), *this );497 417 498 418 VISIT_END( node ); … … 505 425 node->set_block( maybeMutate( node->get_block(), *this ) ); 506 426 mutateAll( node->get_catchers(), *this ); 507 node->set_finally( maybeMutate( node->get_finally(), *this ) );508 427 509 428 MUTATE_END( Statement, node ); … … 516 435 VISIT_START( node ); 517 436 437 node->set_body( visitStatement( node->get_body() ) ); 518 438 maybeAccept( node->get_decl(), *this ); 519 node->set_cond( visitExpression( node->get_cond() ) );520 node->set_body( visitStatement( node->get_body() ) );521 439 522 440 VISIT_END( node ); … … 527 445 MUTATE_START( node ); 528 446 529 node->set_decl( maybeMutate( node->get_decl(), *this ) ); 530 node->set_cond( mutateExpression( node->get_cond() ) ); 531 node->set_body( mutateStatement( node->get_body() ) ); 447 node->set_body( mutateStatement( node->get_body() ) ); 448 node->set_decl( maybeMutate( node->get_decl(), *this ) ); 532 449 533 450 MUTATE_END( Statement, node ); … … 921 838 922 839 template< typename pass_type > 840 Statement * PassVisitor< pass_type >::mutate( AsmStmt * node ) { 841 MUTATE_BODY( Statement, node ); 842 } 843 844 template< typename pass_type > 845 Statement * PassVisitor< pass_type >::mutate( BranchStmt * node ) { 846 MUTATE_BODY( Statement, node ); 847 } 848 849 template< typename pass_type > 923 850 Statement * PassVisitor< pass_type >::mutate( FinallyStmt * node ) { 924 851 MUTATE_BODY( Statement, node );
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