[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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[4e06c1e] | 11 | // Last Modified By : Peter A. Buhr |
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| 12 | // Last Modified On : Tue Jul 12 17:38:46 2016 |
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| 13 | // Update Count : 2 |
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[b0b958a] | 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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[dbd8652] | 26 | DeclMutator::DeclMutator() : Mutator(), declsToAdd(1), declsToAddAfter(1) {} |
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[b0b958a] | 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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[dbd8652] | 31 | for ( std::list< Declaration* >::iterator decl = decls.begin(); ; ++decl ) { |
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| 32 | // splice in new declarations after previous decl |
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| 33 | decls.splice( decl, declsToAddAfter.back() ); |
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| 34 | |
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| 35 | if ( decl == decls.end() ) break; |
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| 36 | |
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[b0b958a] | 37 | // run mutator on declaration |
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| 38 | *decl = maybeMutate( *decl, *this ); |
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| 39 | |
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| 40 | // splice in new declarations before current decl |
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| 41 | decls.splice( decl, declsToAdd.back() ); |
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| 42 | } |
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| 43 | } |
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| 44 | |
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| 45 | void DeclMutator::doBeginScope() { |
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[dbd8652] | 46 | // add new decl lists for inside of scope |
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[b0b958a] | 47 | declsToAdd.resize( declsToAdd.size()+1 ); |
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[dbd8652] | 48 | declsToAddAfter.resize( declsToAddAfter.size()+1 ); |
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[b0b958a] | 49 | } |
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| 50 | |
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| 51 | void DeclMutator::doEndScope() { |
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| 52 | // splice any leftover declarations from this scope onto the containing scope |
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| 53 | std::vector< std::list< Declaration* > >::reverse_iterator back = declsToAdd.rbegin(); |
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| 54 | std::vector< std::list< Declaration* > >::reverse_iterator newBack = back + 1; |
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| 55 | newBack->splice( newBack->end(), *back ); |
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| 56 | declsToAdd.pop_back(); |
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[dbd8652] | 57 | |
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| 58 | back = declsToAddAfter.rbegin(); |
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| 59 | newBack = back + 1; |
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| 60 | newBack->splice( newBack->end(), *back ); |
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| 61 | declsToAddAfter.pop_back(); |
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[b0b958a] | 62 | } |
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| 63 | |
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| 64 | Statement* DeclMutator::mutateStatement( Statement *stmt ) { |
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| 65 | // shunt over to compound statement handling if applicable |
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| 66 | CompoundStmt *compoundStmt = dynamic_cast< CompoundStmt* >(stmt); |
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| 67 | if ( compoundStmt ) return mutate( compoundStmt ); |
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| 68 | |
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| 69 | doBeginScope(); |
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| 70 | |
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| 71 | // run mutator on statement |
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| 72 | stmt = maybeMutate( stmt, *this ); |
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| 73 | // return if no declarations to add |
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[dbd8652] | 74 | if ( declsToAdd.back().empty() && declsToAddAfter.back().empty() ) { |
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| 75 | doEndScope(); |
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| 76 | return stmt; |
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| 77 | } |
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[b0b958a] | 78 | |
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| 79 | // otherwise add declarations to new compound statement |
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| 80 | CompoundStmt *compound = new CompoundStmt( noLabels ); |
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| 81 | for ( std::list< Declaration* >::iterator decl = declsToAdd.back().begin(); decl != declsToAdd.back().end(); ++decl ) { |
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| 82 | DeclStmt *declStmt = new DeclStmt( noLabels, *decl ); |
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| 83 | compound->get_kids().push_back( declStmt ); |
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| 84 | } |
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| 85 | declsToAdd.back().clear(); |
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| 86 | |
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[dbd8652] | 87 | // add mutated statement |
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[b0b958a] | 88 | compound->get_kids().push_back( stmt ); |
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[dbd8652] | 89 | |
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| 90 | // add declarations after to new compound statement |
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| 91 | for ( std::list< Declaration* >::iterator decl = declsToAddAfter.back().begin(); decl != declsToAddAfter.back().end(); ++decl ) { |
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| 92 | DeclStmt *declStmt = new DeclStmt( noLabels, *decl ); |
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| 93 | compound->get_kids().push_back( declStmt ); |
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| 94 | } |
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| 95 | declsToAddAfter.back().clear(); |
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| 96 | |
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| 97 | doEndScope(); |
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[b0b958a] | 98 | return compound; |
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| 99 | } |
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| 100 | |
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| 101 | void DeclMutator::mutateStatementList( std::list< Statement* > &stmts ) { |
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| 102 | doBeginScope(); |
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[dbd8652] | 103 | |
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[b0b958a] | 104 | |
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[dbd8652] | 105 | for ( std::list< Statement* >::iterator stmt = stmts.begin(); ; ++stmt ) { |
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| 106 | // add any new declarations after the previous statement |
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| 107 | for ( std::list< Declaration* >::iterator decl = declsToAddAfter.back().begin(); decl != declsToAddAfter.back().end(); ++decl ) { |
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| 108 | DeclStmt *declStmt = new DeclStmt( noLabels, *decl ); |
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| 109 | stmts.insert( stmt, declStmt ); |
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| 110 | } |
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| 111 | declsToAddAfter.back().clear(); |
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| 112 | |
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| 113 | if ( stmt == stmts.end() ) break; |
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| 114 | |
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[b0b958a] | 115 | // run mutator on statement |
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| 116 | *stmt = maybeMutate( *stmt, *this ); |
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| 117 | |
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| 118 | // add any new declarations before the statement |
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| 119 | for ( std::list< Declaration* >::iterator decl = declsToAdd.back().begin(); decl != declsToAdd.back().end(); ++decl ) { |
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| 120 | DeclStmt *declStmt = new DeclStmt( noLabels, *decl ); |
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| 121 | stmts.insert( stmt, declStmt ); |
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| 122 | } |
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| 123 | declsToAdd.back().clear(); |
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| 124 | } |
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[dbd8652] | 125 | |
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[b0b958a] | 126 | doEndScope(); |
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| 127 | } |
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| 128 | |
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| 129 | void DeclMutator::addDeclaration( Declaration *decl ) { |
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| 130 | declsToAdd.back().push_back( decl ); |
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| 131 | } |
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| 132 | |
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[dbd8652] | 133 | void DeclMutator::addDeclarationAfter( Declaration *decl ) { |
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| 134 | declsToAddAfter.back().push_back( decl ); |
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| 135 | } |
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| 136 | |
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[b0b958a] | 137 | CompoundStmt* DeclMutator::mutate(CompoundStmt *compoundStmt) { |
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| 138 | mutateStatementList( compoundStmt->get_kids() ); |
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| 139 | return compoundStmt; |
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| 140 | } |
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| 141 | |
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| 142 | Statement* DeclMutator::mutate(IfStmt *ifStmt) { |
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| 143 | ifStmt->set_condition( maybeMutate( ifStmt->get_condition(), *this ) ); |
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| 144 | ifStmt->set_thenPart( mutateStatement( ifStmt->get_thenPart() ) ); |
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| 145 | ifStmt->set_elsePart( mutateStatement( ifStmt->get_elsePart() ) ); |
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| 146 | return ifStmt; |
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| 147 | } |
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| 148 | |
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| 149 | Statement* DeclMutator::mutate(WhileStmt *whileStmt) { |
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| 150 | whileStmt->set_condition( maybeMutate( whileStmt->get_condition(), *this ) ); |
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| 151 | whileStmt->set_body( mutateStatement( whileStmt->get_body() ) ); |
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| 152 | return whileStmt; |
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| 153 | } |
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| 154 | |
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| 155 | Statement* DeclMutator::mutate(ForStmt *forStmt) { |
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| 156 | mutateAll( forStmt->get_initialization(), *this ); |
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| 157 | forStmt->set_condition( maybeMutate( forStmt->get_condition(), *this ) ); |
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| 158 | forStmt->set_increment( maybeMutate( forStmt->get_increment(), *this ) ); |
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| 159 | forStmt->set_body( mutateStatement( forStmt->get_body() ) ); |
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| 160 | return forStmt; |
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| 161 | } |
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| 162 | |
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| 163 | Statement* DeclMutator::mutate(SwitchStmt *switchStmt) { |
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| 164 | switchStmt->set_condition( maybeMutate( switchStmt->get_condition(), *this ) ); |
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| 165 | mutateAll( switchStmt->get_branches(), *this ); |
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| 166 | return switchStmt; |
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| 167 | } |
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| 168 | |
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| 169 | Statement* DeclMutator::mutate(CaseStmt *caseStmt) { |
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| 170 | caseStmt->set_condition( maybeMutate( caseStmt->get_condition(), *this ) ); |
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| 171 | mutateAll( caseStmt->get_statements(), *this ); |
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| 172 | return caseStmt; |
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| 173 | } |
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| 174 | |
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| 175 | Statement* DeclMutator::mutate(TryStmt *tryStmt) { |
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| 176 | tryStmt->set_block( maybeMutate( tryStmt->get_block(), *this ) ); |
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| 177 | mutateAll( tryStmt->get_catchers(), *this ); |
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| 178 | tryStmt->set_finally( maybeMutate( tryStmt->get_finally(), *this ) ); |
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| 179 | return tryStmt; |
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| 180 | } |
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| 181 | |
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| 182 | Statement* DeclMutator::mutate(CatchStmt *catchStmt) { |
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| 183 | catchStmt->set_decl( maybeMutate( catchStmt->get_decl(), *this ) ); |
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| 184 | catchStmt->set_body( mutateStatement( catchStmt->get_body() ) ); |
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| 185 | return catchStmt; |
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| 186 | } |
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| 187 | } // namespace GenPoly |
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| 188 | |
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| 189 | // Local Variables: // |
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| 190 | // tab-width: 4 // |
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| 191 | // mode: c++ // |
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| 192 | // compile-command: "make install" // |
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| 193 | // End: // |
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