[b0b958a] | 1 | // |
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo |
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| 3 | // |
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| 4 | // The contents of this file are covered under the licence agreement in the |
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| 5 | // file "LICENCE" distributed with Cforall. |
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| 6 | // |
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| 7 | // DeclMutator.cc -- |
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| 8 | // |
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| 9 | // Author : Aaron B. Moss |
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| 10 | // Created On : Fri Nov 27 14:44:00 2015 |
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| 11 | // Last Modified By : Aaron B. Moss |
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| 12 | // Last Modified On : Fri Nov 27 14:44:00 2015 |
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| 13 | // Update Count : 1 |
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| 14 | // |
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| 15 | |
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| 16 | #include "DeclMutator.h" |
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| 17 | |
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| 18 | #include "SynTree/Expression.h" |
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| 19 | #include "SynTree/Statement.h" |
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| 20 | |
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| 21 | namespace GenPoly { |
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| 22 | namespace { |
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| 23 | const std::list<Label> noLabels; |
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| 24 | } |
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| 25 | |
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| 26 | DeclMutator::DeclMutator() : Mutator(), declsToAdd(1) {} |
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| 27 | |
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| 28 | DeclMutator::~DeclMutator() {} |
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| 29 | |
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| 30 | void DeclMutator::mutateDeclarationList( std::list< Declaration* > &decls ) { |
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| 31 | for ( std::list< Declaration* >::iterator decl = decls.begin(); decl != decls.end(); ++decl ) { |
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| 32 | // run mutator on declaration |
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| 33 | *decl = maybeMutate( *decl, *this ); |
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| 34 | |
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| 35 | // splice in new declarations before current decl |
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| 36 | decls.splice( decl, declsToAdd.back() ); |
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| 37 | } |
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| 38 | } |
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| 39 | |
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| 40 | void DeclMutator::doBeginScope() { |
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| 41 | // add new decl list for inside of scope |
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| 42 | declsToAdd.resize( declsToAdd.size()+1 ); |
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| 43 | } |
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| 44 | |
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| 45 | void DeclMutator::doEndScope() { |
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| 46 | // splice any leftover declarations from this scope onto the containing scope |
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| 47 | std::vector< std::list< Declaration* > >::reverse_iterator back = declsToAdd.rbegin(); |
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| 48 | std::vector< std::list< Declaration* > >::reverse_iterator newBack = back + 1; |
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| 49 | newBack->splice( newBack->end(), *back ); |
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| 50 | declsToAdd.pop_back(); |
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| 51 | } |
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| 52 | |
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| 53 | Statement* DeclMutator::mutateStatement( Statement *stmt ) { |
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| 54 | // shunt over to compound statement handling if applicable |
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| 55 | CompoundStmt *compoundStmt = dynamic_cast< CompoundStmt* >(stmt); |
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| 56 | if ( compoundStmt ) return mutate( compoundStmt ); |
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| 57 | |
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| 58 | doBeginScope(); |
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| 59 | |
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| 60 | // run mutator on statement |
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| 61 | stmt = maybeMutate( stmt, *this ); |
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| 62 | // return if no declarations to add |
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| 63 | if ( declsToAdd.back().empty() ) return stmt; |
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| 64 | |
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| 65 | // otherwise add declarations to new compound statement |
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| 66 | CompoundStmt *compound = new CompoundStmt( noLabels ); |
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| 67 | for ( std::list< Declaration* >::iterator decl = declsToAdd.back().begin(); decl != declsToAdd.back().end(); ++decl ) { |
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| 68 | DeclStmt *declStmt = new DeclStmt( noLabels, *decl ); |
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| 69 | compound->get_kids().push_back( declStmt ); |
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| 70 | } |
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| 71 | declsToAdd.back().clear(); |
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| 72 | |
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| 73 | doEndScope(); |
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| 74 | |
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| 75 | // add mutated statement and return |
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| 76 | compound->get_kids().push_back( stmt ); |
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| 77 | return compound; |
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| 78 | } |
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| 79 | |
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| 80 | void DeclMutator::mutateStatementList( std::list< Statement* > &stmts ) { |
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| 81 | doBeginScope(); |
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| 82 | |
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| 83 | for ( std::list< Statement* >::iterator stmt = stmts.begin(); stmt != stmts.end(); ++stmt ) { |
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| 84 | // run mutator on statement |
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| 85 | *stmt = maybeMutate( *stmt, *this ); |
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| 86 | |
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| 87 | // add any new declarations before the statement |
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| 88 | for ( std::list< Declaration* >::iterator decl = declsToAdd.back().begin(); decl != declsToAdd.back().end(); ++decl ) { |
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| 89 | DeclStmt *declStmt = new DeclStmt( noLabels, *decl ); |
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| 90 | stmts.insert( stmt, declStmt ); |
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| 91 | } |
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| 92 | declsToAdd.back().clear(); |
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| 93 | } |
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| 94 | |
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| 95 | doEndScope(); |
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| 96 | } |
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| 97 | |
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| 98 | void DeclMutator::addDeclaration( Declaration *decl ) { |
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| 99 | declsToAdd.back().push_back( decl ); |
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| 100 | } |
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| 101 | |
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| 102 | CompoundStmt* DeclMutator::mutate(CompoundStmt *compoundStmt) { |
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| 103 | mutateStatementList( compoundStmt->get_kids() ); |
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| 104 | return compoundStmt; |
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| 105 | } |
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| 106 | |
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| 107 | Statement* DeclMutator::mutate(IfStmt *ifStmt) { |
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| 108 | ifStmt->set_condition( maybeMutate( ifStmt->get_condition(), *this ) ); |
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| 109 | ifStmt->set_thenPart( mutateStatement( ifStmt->get_thenPart() ) ); |
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| 110 | ifStmt->set_elsePart( mutateStatement( ifStmt->get_elsePart() ) ); |
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| 111 | return ifStmt; |
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| 112 | } |
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| 113 | |
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| 114 | Statement* DeclMutator::mutate(WhileStmt *whileStmt) { |
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| 115 | whileStmt->set_condition( maybeMutate( whileStmt->get_condition(), *this ) ); |
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| 116 | whileStmt->set_body( mutateStatement( whileStmt->get_body() ) ); |
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| 117 | return whileStmt; |
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| 118 | } |
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| 119 | |
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| 120 | Statement* DeclMutator::mutate(ForStmt *forStmt) { |
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| 121 | mutateAll( forStmt->get_initialization(), *this ); |
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| 122 | forStmt->set_condition( maybeMutate( forStmt->get_condition(), *this ) ); |
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| 123 | forStmt->set_increment( maybeMutate( forStmt->get_increment(), *this ) ); |
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| 124 | forStmt->set_body( mutateStatement( forStmt->get_body() ) ); |
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| 125 | return forStmt; |
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| 126 | } |
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| 127 | |
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| 128 | Statement* DeclMutator::mutate(SwitchStmt *switchStmt) { |
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| 129 | switchStmt->set_condition( maybeMutate( switchStmt->get_condition(), *this ) ); |
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| 130 | mutateAll( switchStmt->get_branches(), *this ); |
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| 131 | return switchStmt; |
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| 132 | } |
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| 133 | |
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| 134 | Statement* DeclMutator::mutate(ChooseStmt *chooseStmt) { |
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| 135 | chooseStmt->set_condition( maybeMutate( chooseStmt->get_condition(), *this ) ); |
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| 136 | mutateAll( chooseStmt->get_branches(), *this ); |
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| 137 | return chooseStmt; |
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| 138 | } |
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| 139 | |
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| 140 | Statement* DeclMutator::mutate(CaseStmt *caseStmt) { |
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| 141 | caseStmt->set_condition( maybeMutate( caseStmt->get_condition(), *this ) ); |
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| 142 | mutateAll( caseStmt->get_statements(), *this ); |
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| 143 | return caseStmt; |
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| 144 | } |
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| 145 | |
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| 146 | Statement* DeclMutator::mutate(TryStmt *tryStmt) { |
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| 147 | tryStmt->set_block( maybeMutate( tryStmt->get_block(), *this ) ); |
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| 148 | mutateAll( tryStmt->get_catchers(), *this ); |
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| 149 | tryStmt->set_finally( maybeMutate( tryStmt->get_finally(), *this ) ); |
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| 150 | return tryStmt; |
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| 151 | } |
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| 152 | |
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| 153 | Statement* DeclMutator::mutate(CatchStmt *catchStmt) { |
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| 154 | catchStmt->set_decl( maybeMutate( catchStmt->get_decl(), *this ) ); |
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| 155 | catchStmt->set_body( mutateStatement( catchStmt->get_body() ) ); |
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| 156 | return catchStmt; |
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| 157 | } |
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| 158 | } // namespace GenPoly |
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| 159 | |
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| 160 | // Local Variables: // |
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| 161 | // tab-width: 4 // |
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| 162 | // mode: c++ // |
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| 163 | // compile-command: "make install" // |
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| 164 | // End: // |
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