[4d2434a] | 1 | #include <algorithm> |
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[2b46a13] | 2 | #include "InitTweak.h" |
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| 3 | #include "SynTree/Visitor.h" |
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| 4 | #include "SynTree/Statement.h" |
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| 5 | #include "SynTree/Initializer.h" |
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| 6 | #include "SynTree/Expression.h" |
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[f9cebb5] | 7 | #include "SynTree/Attribute.h" |
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[2b46a13] | 8 | #include "GenPoly/GenPoly.h" |
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[4d4882a] | 9 | #include "ResolvExpr/typeops.h" |
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[2b46a13] | 10 | |
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| 11 | namespace InitTweak { |
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[64071c2] | 12 | namespace { |
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| 13 | class HasDesignations : public Visitor { |
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| 14 | public: |
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| 15 | bool hasDesignations = false; |
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| 16 | template<typename Init> |
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| 17 | void handleInit( Init * init ) { |
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| 18 | if ( ! init->get_designators().empty() ) hasDesignations = true; |
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| 19 | else Visitor::visit( init ); |
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| 20 | } |
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| 21 | virtual void visit( SingleInit * singleInit ) { handleInit( singleInit); } |
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| 22 | virtual void visit( ListInit * listInit ) { handleInit( listInit); } |
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| 23 | }; |
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[2b46a13] | 24 | |
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[4d2434a] | 25 | class InitFlattener : public Visitor { |
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[64071c2] | 26 | public: |
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| 27 | virtual void visit( SingleInit * singleInit ); |
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| 28 | virtual void visit( ListInit * listInit ); |
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| 29 | std::list< Expression * > argList; |
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| 30 | }; |
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[2b46a13] | 31 | |
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[4d2434a] | 32 | void InitFlattener::visit( SingleInit * singleInit ) { |
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[64071c2] | 33 | argList.push_back( singleInit->get_value()->clone() ); |
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| 34 | } |
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[2b46a13] | 35 | |
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[4d2434a] | 36 | void InitFlattener::visit( ListInit * listInit ) { |
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| 37 | // flatten nested list inits |
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| 38 | std::list<Initializer*>::iterator it = listInit->begin(); |
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| 39 | for ( ; it != listInit->end(); ++it ) { |
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[64071c2] | 40 | (*it)->accept( *this ); |
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| 41 | } |
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| 42 | } |
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| 43 | } |
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[2b46a13] | 44 | |
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[64071c2] | 45 | std::list< Expression * > makeInitList( Initializer * init ) { |
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[4d2434a] | 46 | InitFlattener flattener; |
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| 47 | maybeAccept( init, flattener ); |
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| 48 | return flattener.argList; |
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[64071c2] | 49 | } |
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[2b46a13] | 50 | |
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[64071c2] | 51 | bool isDesignated( Initializer * init ) { |
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| 52 | HasDesignations finder; |
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| 53 | maybeAccept( init, finder ); |
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| 54 | return finder.hasDesignations; |
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| 55 | } |
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[2b46a13] | 56 | |
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[39f84a4] | 57 | class InitExpander::ExpanderImpl { |
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| 58 | public: |
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| 59 | virtual std::list< Expression * > next( std::list< Expression * > & indices ) = 0; |
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[4d2434a] | 60 | virtual Statement * buildListInit( UntypedExpr * callExpr, std::list< Expression * > & indices ) = 0; |
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[39f84a4] | 61 | }; |
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| 62 | |
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| 63 | class InitImpl : public InitExpander::ExpanderImpl { |
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| 64 | public: |
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[4d2434a] | 65 | InitImpl( Initializer * init ) : init( init ) {} |
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[39f84a4] | 66 | |
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| 67 | virtual std::list< Expression * > next( std::list< Expression * > & indices ) { |
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| 68 | // this is wrong, but just a placeholder for now |
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[4d2434a] | 69 | // if ( ! flattened ) flatten( indices ); |
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| 70 | // return ! inits.empty() ? makeInitList( inits.front() ) : std::list< Expression * >(); |
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| 71 | return makeInitList( init ); |
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[39f84a4] | 72 | } |
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[4d2434a] | 73 | |
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| 74 | virtual Statement * buildListInit( UntypedExpr * callExpr, std::list< Expression * > & indices ); |
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[39f84a4] | 75 | private: |
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[4d2434a] | 76 | Initializer * init; |
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[39f84a4] | 77 | }; |
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| 78 | |
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| 79 | class ExprImpl : public InitExpander::ExpanderImpl { |
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| 80 | public: |
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| 81 | ExprImpl( Expression * expr ) : arg( expr ) {} |
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| 82 | |
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[9b4c936] | 83 | ~ExprImpl() { delete arg; } |
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| 84 | |
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[39f84a4] | 85 | virtual std::list< Expression * > next( std::list< Expression * > & indices ) { |
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| 86 | std::list< Expression * > ret; |
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| 87 | Expression * expr = maybeClone( arg ); |
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| 88 | if ( expr ) { |
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| 89 | for ( std::list< Expression * >::reverse_iterator it = indices.rbegin(); it != indices.rend(); ++it ) { |
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| 90 | // go through indices and layer on subscript exprs ?[?] |
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| 91 | ++it; |
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| 92 | UntypedExpr * subscriptExpr = new UntypedExpr( new NameExpr( "?[?]") ); |
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| 93 | subscriptExpr->get_args().push_back( expr ); |
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| 94 | subscriptExpr->get_args().push_back( (*it)->clone() ); |
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| 95 | expr = subscriptExpr; |
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| 96 | } |
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| 97 | ret.push_back( expr ); |
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| 98 | } |
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| 99 | return ret; |
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| 100 | } |
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[4d2434a] | 101 | |
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| 102 | virtual Statement * buildListInit( UntypedExpr * callExpr, std::list< Expression * > & indices ); |
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[39f84a4] | 103 | private: |
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| 104 | Expression * arg; |
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| 105 | }; |
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| 106 | |
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| 107 | InitExpander::InitExpander( Initializer * init ) : expander( new InitImpl( init ) ) {} |
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| 108 | |
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| 109 | InitExpander::InitExpander( Expression * expr ) : expander( new ExprImpl( expr ) ) {} |
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| 110 | |
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| 111 | std::list< Expression * > InitExpander::operator*() { |
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| 112 | return cur; |
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| 113 | } |
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| 114 | |
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| 115 | InitExpander & InitExpander::operator++() { |
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| 116 | cur = expander->next( indices ); |
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| 117 | return *this; |
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| 118 | } |
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| 119 | |
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| 120 | // use array indices list to build switch statement |
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| 121 | void InitExpander::addArrayIndex( Expression * index, Expression * dimension ) { |
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| 122 | indices.push_back( index ); |
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| 123 | indices.push_back( dimension ); |
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| 124 | } |
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| 125 | |
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[4d2434a] | 126 | void InitExpander::clearArrayIndices() { |
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[9b4c936] | 127 | deleteAll( indices ); |
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[4d2434a] | 128 | indices.clear(); |
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| 129 | } |
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| 130 | |
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| 131 | namespace { |
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[f9cebb5] | 132 | /// given index i, dimension d, initializer init, and callExpr f, generates |
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| 133 | /// if (i < d) f(..., init) |
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| 134 | /// ++i; |
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| 135 | /// so that only elements within the range of the array are constructed |
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[4d2434a] | 136 | template< typename OutIterator > |
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[f9cebb5] | 137 | void buildCallExpr( UntypedExpr * callExpr, Expression * index, Expression * dimension, Initializer * init, OutIterator out ) { |
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[4d2434a] | 138 | UntypedExpr * cond = new UntypedExpr( new NameExpr( "?<?") ); |
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| 139 | cond->get_args().push_back( index->clone() ); |
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| 140 | cond->get_args().push_back( dimension->clone() ); |
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| 141 | |
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| 142 | std::list< Expression * > args = makeInitList( init ); |
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| 143 | callExpr->get_args().splice( callExpr->get_args().end(), args ); |
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| 144 | |
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| 145 | *out++ = new IfStmt( noLabels, cond, new ExprStmt( noLabels, callExpr ), NULL ); |
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| 146 | |
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| 147 | UntypedExpr * increment = new UntypedExpr( new NameExpr( "++?" ) ); |
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| 148 | increment->get_args().push_back( new AddressExpr( index->clone() ) ); |
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| 149 | *out++ = new ExprStmt( noLabels, increment ); |
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| 150 | } |
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| 151 | |
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| 152 | template< typename OutIterator > |
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| 153 | void build( UntypedExpr * callExpr, InitExpander::IndexList::iterator idx, InitExpander::IndexList::iterator idxEnd, Initializer * init, OutIterator out ) { |
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| 154 | if ( idx == idxEnd ) return; |
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| 155 | Expression * index = *idx++; |
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| 156 | assert( idx != idxEnd ); |
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| 157 | Expression * dimension = *idx++; |
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| 158 | |
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[f9cebb5] | 159 | // xxx - may want to eventually issue a warning here if we can detect |
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| 160 | // that the number of elements exceeds to dimension of the array |
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[4d2434a] | 161 | if ( idx == idxEnd ) { |
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| 162 | if ( ListInit * listInit = dynamic_cast< ListInit * >( init ) ) { |
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| 163 | for ( Initializer * init : *listInit ) { |
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[f9cebb5] | 164 | buildCallExpr( callExpr->clone(), index, dimension, init, out ); |
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[4d2434a] | 165 | } |
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| 166 | } else { |
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[f9cebb5] | 167 | buildCallExpr( callExpr->clone(), index, dimension, init, out ); |
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[4d2434a] | 168 | } |
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| 169 | } else { |
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| 170 | std::list< Statement * > branches; |
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| 171 | |
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| 172 | unsigned long cond = 0; |
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| 173 | ListInit * listInit = dynamic_cast< ListInit * >( init ); |
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| 174 | if ( ! listInit ) { |
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| 175 | // xxx - this shouldn't be an error, but need a way to |
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| 176 | // terminate without creating output, so should catch this error |
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| 177 | throw SemanticError( "unbalanced list initializers" ); |
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| 178 | } |
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[f9cebb5] | 179 | |
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| 180 | static UniqueName targetLabel( "L__autogen__" ); |
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| 181 | Label switchLabel( targetLabel.newName(), 0, std::list< Attribute * >{ new Attribute("unused") } ); |
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[4d2434a] | 182 | for ( Initializer * init : *listInit ) { |
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| 183 | Expression * condition; |
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| 184 | // check for designations |
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| 185 | // if ( init-> ) { |
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| 186 | condition = new ConstantExpr( Constant::from_ulong( cond ) ); |
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| 187 | ++cond; |
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| 188 | // } else { |
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| 189 | // condition = // ... take designation |
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| 190 | // cond = // ... take designation+1 |
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| 191 | // } |
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| 192 | std::list< Statement * > stmts; |
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| 193 | build( callExpr, idx, idxEnd, init, back_inserter( stmts ) ); |
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[f9cebb5] | 194 | stmts.push_back( new BranchStmt( noLabels, switchLabel, BranchStmt::Break ) ); |
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[4d2434a] | 195 | CaseStmt * caseStmt = new CaseStmt( noLabels, condition, stmts ); |
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| 196 | branches.push_back( caseStmt ); |
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| 197 | } |
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| 198 | *out++ = new SwitchStmt( noLabels, index->clone(), branches ); |
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[f9cebb5] | 199 | *out++ = new NullStmt( std::list<Label>{ switchLabel } ); |
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[4d2434a] | 200 | } |
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| 201 | } |
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| 202 | } |
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| 203 | |
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| 204 | // if array came with an initializer list: initialize each element |
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| 205 | // may have more initializers than elements in the array - need to check at each index that |
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| 206 | // we haven't exceeded size. |
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| 207 | // may have fewer initializers than elements in the array - need to default construct |
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| 208 | // remaining elements. |
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| 209 | // To accomplish this, generate switch statement, consuming all of expander's elements |
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| 210 | Statement * InitImpl::buildListInit( UntypedExpr * dst, std::list< Expression * > & indices ) { |
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| 211 | if ( ! init ) return NULL; |
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[f9cebb5] | 212 | CompoundStmt * block = new CompoundStmt( noLabels ); |
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| 213 | build( dst, indices.begin(), indices.end(), init, back_inserter( block->get_kids() ) ); |
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| 214 | if ( block->get_kids().empty() ) { |
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| 215 | delete block; |
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[4d2434a] | 216 | return NULL; |
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| 217 | } else { |
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| 218 | init = NULL; // init was consumed in creating the list init |
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[f9cebb5] | 219 | return block; |
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[4d2434a] | 220 | } |
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[39f84a4] | 221 | } |
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| 222 | |
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[4d2434a] | 223 | Statement * ExprImpl::buildListInit( UntypedExpr * dst, std::list< Expression * > & indices ) { |
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| 224 | return NULL; |
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| 225 | } |
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| 226 | |
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| 227 | Statement * InitExpander::buildListInit( UntypedExpr * dst ) { |
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| 228 | return expander->buildListInit( dst, indices ); |
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| 229 | } |
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| 230 | |
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[64071c2] | 231 | bool tryConstruct( ObjectDecl * objDecl ) { |
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| 232 | return ! LinkageSpec::isBuiltin( objDecl->get_linkage() ) && |
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| 233 | (objDecl->get_init() == NULL || |
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| 234 | ( objDecl->get_init() != NULL && objDecl->get_init()->get_maybeConstructed() )) && |
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[6cf27a07] | 235 | ! isDesignated( objDecl->get_init() ) |
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| 236 | && objDecl->get_storageClass() != DeclarationNode::Extern; |
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[64071c2] | 237 | } |
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[2b46a13] | 238 | |
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[4d2434a] | 239 | class CallFinder : public Visitor { |
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| 240 | public: |
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| 241 | typedef Visitor Parent; |
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| 242 | CallFinder( const std::list< std::string > & names ) : names( names ) {} |
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| 243 | |
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| 244 | virtual void visit( ApplicationExpr * appExpr ) { |
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| 245 | handleCallExpr( appExpr ); |
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| 246 | } |
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| 247 | |
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| 248 | virtual void visit( UntypedExpr * untypedExpr ) { |
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| 249 | handleCallExpr( untypedExpr ); |
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| 250 | } |
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| 251 | |
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| 252 | std::list< Expression * > * matches; |
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| 253 | private: |
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| 254 | const std::list< std::string > names; |
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| 255 | |
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| 256 | template< typename CallExpr > |
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| 257 | void handleCallExpr( CallExpr * expr ) { |
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| 258 | Parent::visit( expr ); |
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| 259 | std::string fname = getFunctionName( expr ); |
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| 260 | if ( std::find( names.begin(), names.end(), fname ) != names.end() ) { |
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| 261 | matches->push_back( expr ); |
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[cad355a] | 262 | } |
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[64071c2] | 263 | } |
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[4d2434a] | 264 | }; |
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| 265 | |
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| 266 | void collectCtorDtorCalls( Statement * stmt, std::list< Expression * > & matches ) { |
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| 267 | static CallFinder finder( std::list< std::string >{ "?{}", "^?{}" } ); |
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| 268 | finder.matches = &matches; |
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| 269 | maybeAccept( stmt, finder ); |
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[64071c2] | 270 | } |
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[4d2434a] | 271 | |
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| 272 | Expression * getCtorDtorCall( Statement * stmt ) { |
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| 273 | std::list< Expression * > matches; |
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| 274 | collectCtorDtorCalls( stmt, matches ); |
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| 275 | assert( matches.size() <= 1 ); |
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| 276 | return matches.size() == 1 ? matches.front() : NULL; |
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| 277 | } |
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| 278 | |
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[aedfd91] | 279 | namespace { |
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| 280 | VariableExpr * getCalledFunction( ApplicationExpr * appExpr ) { |
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| 281 | assert( appExpr ); |
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[4d2434a] | 282 | // xxx - it's possible this can be other things, e.g. MemberExpr, so this is insufficient |
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[aedfd91] | 283 | return dynamic_cast< VariableExpr * >( appExpr->get_function() ); |
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| 284 | } |
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| 285 | } |
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[70f89d00] | 286 | |
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[aedfd91] | 287 | ApplicationExpr * isIntrinsicCallExpr( Expression * expr ) { |
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| 288 | ApplicationExpr * appExpr = dynamic_cast< ApplicationExpr * >( expr ); |
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| 289 | if ( ! appExpr ) return NULL; |
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| 290 | VariableExpr * function = getCalledFunction( appExpr ); |
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[64071c2] | 291 | assert( function ); |
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| 292 | // check for Intrinsic only - don't want to remove all overridable ctor/dtors because autogenerated ctor/dtor |
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| 293 | // will call all member dtors, and some members may have a user defined dtor. |
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[aedfd91] | 294 | return function->get_var()->get_linkage() == LinkageSpec::Intrinsic ? appExpr : NULL; |
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| 295 | } |
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| 296 | |
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[a465caf] | 297 | namespace { |
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| 298 | template <typename Predicate> |
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| 299 | bool allofCtorDtor( Statement * stmt, const Predicate & pred ) { |
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| 300 | std::list< Expression * > callExprs; |
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| 301 | collectCtorDtorCalls( stmt, callExprs ); |
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| 302 | // if ( callExprs.empty() ) return false; // xxx - do I still need this check? |
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| 303 | return std::all_of( callExprs.begin(), callExprs.end(), pred); |
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| 304 | } |
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| 305 | } |
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| 306 | |
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[f9cebb5] | 307 | bool isIntrinsicSingleArgCallStmt( Statement * stmt ) { |
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[a465caf] | 308 | return allofCtorDtor( stmt, []( Expression * callExpr ){ |
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[4d2434a] | 309 | if ( ApplicationExpr * appExpr = isIntrinsicCallExpr( callExpr ) ) { |
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| 310 | assert( ! appExpr->get_function()->get_results().empty() ); |
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| 311 | FunctionType *funcType = GenPoly::getFunctionType( appExpr->get_function()->get_results().front() ); |
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| 312 | assert( funcType ); |
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| 313 | return funcType->get_parameters().size() == 1; |
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| 314 | } |
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| 315 | return false; |
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| 316 | }); |
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[64071c2] | 317 | } |
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[f1b1e4c] | 318 | |
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[a465caf] | 319 | bool isIntrinsicCallStmt( Statement * stmt ) { |
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| 320 | return allofCtorDtor( stmt, []( Expression * callExpr ) { |
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| 321 | return isIntrinsicCallExpr( callExpr ); |
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| 322 | }); |
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| 323 | } |
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| 324 | |
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[64071c2] | 325 | namespace { |
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| 326 | template<typename CallExpr> |
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| 327 | Expression *& callArg( CallExpr * callExpr, unsigned int pos ) { |
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| 328 | if ( pos >= callExpr->get_args().size() ) assert( false && "asking for argument that doesn't exist. Return NULL/throw exception?" ); |
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| 329 | for ( Expression *& arg : callExpr->get_args() ) { |
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| 330 | if ( pos == 0 ) return arg; |
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| 331 | pos--; |
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| 332 | } |
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| 333 | assert( false ); |
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| 334 | } |
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| 335 | } |
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[f1b1e4c] | 336 | |
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[64071c2] | 337 | Expression *& getCallArg( Expression * callExpr, unsigned int pos ) { |
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| 338 | if ( ApplicationExpr * appExpr = dynamic_cast< ApplicationExpr * >( callExpr ) ) { |
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| 339 | return callArg( appExpr, pos ); |
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| 340 | } else if ( UntypedExpr * untypedExpr = dynamic_cast< UntypedExpr * >( callExpr ) ) { |
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| 341 | return callArg( untypedExpr, pos ); |
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| 342 | } else { |
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| 343 | assert( false && "Unexpected expression type passed to getCallArg" ); |
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| 344 | } |
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| 345 | } |
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[f1b1e4c] | 346 | |
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[64071c2] | 347 | namespace { |
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[c738ca4] | 348 | std::string funcName( Expression * func ) { |
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[64071c2] | 349 | if ( NameExpr * nameExpr = dynamic_cast< NameExpr * >( func ) ) { |
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| 350 | return nameExpr->get_name(); |
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| 351 | } else if ( VariableExpr * varExpr = dynamic_cast< VariableExpr * >( func ) ) { |
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| 352 | return varExpr->get_var()->get_name(); |
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[c738ca4] | 353 | } else if ( CastExpr * castExpr = dynamic_cast< CastExpr * >( func ) ) { |
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| 354 | return funcName( castExpr->get_arg() ); |
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[64071c2] | 355 | } else { |
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| 356 | assert( false && "Unexpected expression type being called as a function in call expression" ); |
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| 357 | } |
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| 358 | } |
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| 359 | } |
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[70f89d00] | 360 | |
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[64071c2] | 361 | std::string getFunctionName( Expression * expr ) { |
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| 362 | if ( ApplicationExpr * appExpr = dynamic_cast< ApplicationExpr * >( expr ) ) { |
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[c738ca4] | 363 | return funcName( appExpr->get_function() ); |
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[64071c2] | 364 | } else if ( UntypedExpr * untypedExpr = dynamic_cast< UntypedExpr * > ( expr ) ) { |
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[c738ca4] | 365 | return funcName( untypedExpr->get_function() ); |
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[64071c2] | 366 | } else { |
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[c738ca4] | 367 | std::cerr << expr << std::endl; |
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[64071c2] | 368 | assert( false && "Unexpected expression type passed to getFunctionName" ); |
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| 369 | } |
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| 370 | } |
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[10a7775] | 371 | |
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[64071c2] | 372 | Type * getPointerBase( Type * type ) { |
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| 373 | if ( PointerType * ptrType = dynamic_cast< PointerType * >( type ) ) { |
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| 374 | return ptrType->get_base(); |
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| 375 | } else if ( ArrayType * arrayType = dynamic_cast< ArrayType * >( type ) ) { |
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| 376 | return arrayType->get_base(); |
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| 377 | } else { |
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| 378 | return NULL; |
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| 379 | } |
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| 380 | } |
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[10a7775] | 381 | |
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[64071c2] | 382 | Type * isPointerType( Type * type ) { |
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| 383 | if ( getPointerBase( type ) ) return type; |
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| 384 | else return NULL; |
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| 385 | } |
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[40e636a] | 386 | |
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| 387 | class ConstExprChecker : public Visitor { |
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| 388 | public: |
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| 389 | ConstExprChecker() : isConstExpr( true ) {} |
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| 390 | |
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| 391 | virtual void visit( ApplicationExpr *applicationExpr ) { isConstExpr = false; } |
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| 392 | virtual void visit( UntypedExpr *untypedExpr ) { isConstExpr = false; } |
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| 393 | virtual void visit( NameExpr *nameExpr ) { isConstExpr = false; } |
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| 394 | virtual void visit( CastExpr *castExpr ) { isConstExpr = false; } |
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| 395 | virtual void visit( LabelAddressExpr *labAddressExpr ) { isConstExpr = false; } |
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| 396 | virtual void visit( UntypedMemberExpr *memberExpr ) { isConstExpr = false; } |
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| 397 | virtual void visit( MemberExpr *memberExpr ) { isConstExpr = false; } |
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| 398 | virtual void visit( VariableExpr *variableExpr ) { isConstExpr = false; } |
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| 399 | virtual void visit( ConstantExpr *constantExpr ) { /* bottom out */ } |
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| 400 | // these might be okay? |
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| 401 | // virtual void visit( SizeofExpr *sizeofExpr ); |
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| 402 | // virtual void visit( AlignofExpr *alignofExpr ); |
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| 403 | // virtual void visit( UntypedOffsetofExpr *offsetofExpr ); |
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| 404 | // virtual void visit( OffsetofExpr *offsetofExpr ); |
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| 405 | // virtual void visit( OffsetPackExpr *offsetPackExpr ); |
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| 406 | // virtual void visit( AttrExpr *attrExpr ); |
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| 407 | // virtual void visit( CommaExpr *commaExpr ); |
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| 408 | // virtual void visit( LogicalExpr *logicalExpr ); |
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| 409 | // virtual void visit( ConditionalExpr *conditionalExpr ); |
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| 410 | virtual void visit( TupleExpr *tupleExpr ) { isConstExpr = false; } |
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| 411 | virtual void visit( SolvedTupleExpr *tupleExpr ) { isConstExpr = false; } |
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| 412 | virtual void visit( TypeExpr *typeExpr ) { isConstExpr = false; } |
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| 413 | virtual void visit( AsmExpr *asmExpr ) { isConstExpr = false; } |
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| 414 | virtual void visit( UntypedValofExpr *valofExpr ) { isConstExpr = false; } |
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| 415 | virtual void visit( CompoundLiteralExpr *compLitExpr ) { isConstExpr = false; } |
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| 416 | |
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| 417 | bool isConstExpr; |
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| 418 | }; |
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| 419 | |
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| 420 | bool isConstExpr( Expression * expr ) { |
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| 421 | if ( expr ) { |
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| 422 | ConstExprChecker checker; |
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| 423 | expr->accept( checker ); |
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| 424 | return checker.isConstExpr; |
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| 425 | } |
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| 426 | return true; |
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| 427 | } |
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| 428 | |
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| 429 | bool isConstExpr( Initializer * init ) { |
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| 430 | if ( init ) { |
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| 431 | ConstExprChecker checker; |
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| 432 | init->accept( checker ); |
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| 433 | return checker.isConstExpr; |
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| 434 | } // if |
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| 435 | // for all intents and purposes, no initializer means const expr |
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| 436 | return true; |
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| 437 | } |
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| 438 | |
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[79970ed] | 439 | bool isConstructor( const std::string & str ) { return str == "?{}"; } |
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| 440 | bool isDestructor( const std::string & str ) { return str == "^?{}"; } |
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| 441 | bool isCtorDtor( const std::string & str ) { return isConstructor( str ) || isDestructor( str ); } |
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[4d4882a] | 442 | |
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| 443 | FunctionDecl * isCopyConstructor( Declaration * decl ) { |
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| 444 | FunctionDecl * function = dynamic_cast< FunctionDecl * >( decl ); |
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| 445 | if ( ! function ) return 0; |
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| 446 | if ( ! isConstructor( function->get_name() ) ) return 0; |
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| 447 | FunctionType * ftype = function->get_functionType(); |
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| 448 | if ( ftype->get_parameters().size() != 2 ) return 0; |
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| 449 | |
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| 450 | Type * t1 = ftype->get_parameters().front()->get_type(); |
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| 451 | Type * t2 = ftype->get_parameters().back()->get_type(); |
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| 452 | PointerType * ptrType = dynamic_cast< PointerType * > ( t1 ); |
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| 453 | assert( ptrType ); |
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| 454 | |
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| 455 | if ( ResolvExpr::typesCompatible( ptrType->get_base(), t2, SymTab::Indexer() ) ) { |
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| 456 | return function; |
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| 457 | } else { |
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| 458 | return 0; |
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| 459 | } |
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| 460 | } |
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[2b46a13] | 461 | } |
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