| 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 | // Visitor.h --
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| 8 | //
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| 9 | // Author           : Richard C. Bilson
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| 10 | // Created On       : Mon May 18 07:44:20 2015
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| 11 | // Last Modified By : Andrew Beach
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| 12 | // Last Modified On : Mon Jul 24 16:28:00 2017
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| 13 | // Update Count     : 13
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| 14 | //
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| 15 | 
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| 16 | #pragma once
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| 17 | 
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| 18 | #include "Common/SemanticError.h"  // for SemanticError
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| 19 | #include "SynTree.h"               // for AST nodes
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| 20 | 
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| 21 | class Visitor {
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| 22 |   protected:
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| 23 |         Visitor() = default;
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| 24 |         virtual ~Visitor() = default;
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| 25 |   public:
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| 26 |         // visit: Default implementation of all functions visits the children
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| 27 |         // of the given syntax node, but performs no other action.
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| 28 | 
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| 29 |         virtual void visit( ObjectDecl * objectDecl ) = 0;
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| 30 |         virtual void visit( FunctionDecl * functionDecl ) = 0;
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| 31 |         virtual void visit( StructDecl * aggregateDecl ) = 0;
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| 32 |         virtual void visit( UnionDecl * aggregateDecl ) = 0;
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| 33 |         virtual void visit( EnumDecl * aggregateDecl ) = 0;
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| 34 |         virtual void visit( TraitDecl * aggregateDecl ) = 0;
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| 35 |         virtual void visit( TypeDecl * typeDecl ) = 0;
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| 36 |         virtual void visit( TypedefDecl * typeDecl ) = 0;
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| 37 |         virtual void visit( AsmDecl * asmDecl ) = 0;
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| 38 |         virtual void visit( StaticAssertDecl * assertDecl ) = 0;
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| 39 | 
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| 40 |         virtual void visit( CompoundStmt * compoundStmt ) = 0;
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| 41 |         virtual void visit( ExprStmt * exprStmt ) = 0;
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| 42 |         virtual void visit( AsmStmt * asmStmt ) = 0;
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| 43 |         virtual void visit( DirectiveStmt * directiveStmt ) = 0;
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| 44 |         virtual void visit( IfStmt * ifStmt ) = 0;
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| 45 |         virtual void visit( WhileStmt * whileStmt ) = 0;
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| 46 |         virtual void visit( ForStmt * forStmt ) = 0;
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| 47 |         virtual void visit( SwitchStmt * switchStmt ) = 0;
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| 48 |         virtual void visit( CaseStmt * caseStmt ) = 0;
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| 49 |         virtual void visit( BranchStmt * branchStmt ) = 0;
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| 50 |         virtual void visit( ReturnStmt * returnStmt ) = 0;
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| 51 |         virtual void visit( ThrowStmt * throwStmt ) = 0;
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| 52 |         virtual void visit( TryStmt * tryStmt ) = 0;
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| 53 |         virtual void visit( CatchStmt * catchStmt ) = 0;
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| 54 |         virtual void visit( FinallyStmt * finallyStmt ) = 0;
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| 55 |         virtual void visit( WaitForStmt * waitforStmt ) = 0;
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| 56 |         virtual void visit( WithStmt * withStmt ) = 0;
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| 57 |         virtual void visit( NullStmt * nullStmt ) = 0;
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| 58 |         virtual void visit( DeclStmt * declStmt ) = 0;
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| 59 |         virtual void visit( ImplicitCtorDtorStmt * impCtorDtorStmt ) = 0;
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| 60 | 
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| 61 |         virtual void visit( ApplicationExpr * applicationExpr ) = 0;
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| 62 |         virtual void visit( UntypedExpr * untypedExpr ) = 0;
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| 63 |         virtual void visit( NameExpr * nameExpr ) = 0;
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| 64 |         virtual void visit( CastExpr * castExpr ) = 0;
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| 65 |         virtual void visit( KeywordCastExpr * castExpr ) = 0;
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| 66 |         virtual void visit( VirtualCastExpr * castExpr ) = 0;
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| 67 |         virtual void visit( AddressExpr * addressExpr ) = 0;
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| 68 |         virtual void visit( LabelAddressExpr * labAddressExpr ) = 0;
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| 69 |         virtual void visit( UntypedMemberExpr * memberExpr ) = 0;
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| 70 |         virtual void visit( MemberExpr * memberExpr ) = 0;
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| 71 |         virtual void visit( VariableExpr * variableExpr ) = 0;
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| 72 |         virtual void visit( ConstantExpr * constantExpr ) = 0;
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| 73 |         virtual void visit( SizeofExpr * sizeofExpr ) = 0;
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| 74 |         virtual void visit( AlignofExpr * alignofExpr ) = 0;
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| 75 |         virtual void visit( UntypedOffsetofExpr * offsetofExpr ) = 0;
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| 76 |         virtual void visit( OffsetofExpr * offsetofExpr ) = 0;
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| 77 |         virtual void visit( OffsetPackExpr * offsetPackExpr ) = 0;
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| 78 |         virtual void visit( AttrExpr * attrExpr ) = 0;
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| 79 |         virtual void visit( LogicalExpr * logicalExpr ) = 0;
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| 80 |         virtual void visit( ConditionalExpr * conditionalExpr ) = 0;
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| 81 |         virtual void visit( CommaExpr * commaExpr ) = 0;
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| 82 |         virtual void visit( TypeExpr * typeExpr ) = 0;
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| 83 |         virtual void visit( AsmExpr * asmExpr ) = 0;
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| 84 |         virtual void visit( ImplicitCopyCtorExpr * impCpCtorExpr ) = 0;
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| 85 |         virtual void visit( ConstructorExpr *  ctorExpr ) = 0;
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| 86 |         virtual void visit( CompoundLiteralExpr * compLitExpr ) = 0;
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| 87 |         virtual void visit( RangeExpr * rangeExpr ) = 0;
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| 88 |         virtual void visit( UntypedTupleExpr * tupleExpr ) = 0;
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| 89 |         virtual void visit( TupleExpr * tupleExpr ) = 0;
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| 90 |         virtual void visit( TupleIndexExpr * tupleExpr ) = 0;
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| 91 |         virtual void visit( TupleAssignExpr * assignExpr ) = 0;
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| 92 |         virtual void visit( StmtExpr *  stmtExpr ) = 0;
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| 93 |         virtual void visit( UniqueExpr *  uniqueExpr ) = 0;
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| 94 |         virtual void visit( UntypedInitExpr *  initExpr ) = 0;
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| 95 |         virtual void visit( InitExpr *  initExpr ) = 0;
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| 96 |         virtual void visit( DeletedExpr * delExpr ) = 0;
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| 97 |         virtual void visit( DefaultArgExpr * argExpr ) = 0;
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| 98 |         virtual void visit( GenericExpr * genExpr ) = 0;
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| 99 | 
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| 100 |         virtual void visit( VoidType * basicType ) = 0;
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| 101 |         virtual void visit( BasicType * basicType ) = 0;
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| 102 |         virtual void visit( PointerType * pointerType ) = 0;
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| 103 |         virtual void visit( ArrayType * arrayType ) = 0;
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| 104 |         virtual void visit( ReferenceType * refType ) = 0;
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| 105 |         virtual void visit( QualifiedType * qualType ) = 0;
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| 106 |         virtual void visit( FunctionType * functionType ) = 0;
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| 107 |         virtual void visit( StructInstType * aggregateUseType ) = 0;
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| 108 |         virtual void visit( UnionInstType * aggregateUseType ) = 0;
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| 109 |         virtual void visit( EnumInstType * aggregateUseType ) = 0;
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| 110 |         virtual void visit( TraitInstType * aggregateUseType ) = 0;
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| 111 |         virtual void visit( TypeInstType * aggregateUseType ) = 0;
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| 112 |         virtual void visit( TupleType * tupleType ) = 0;
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| 113 |         virtual void visit( TypeofType * typeofType ) = 0;
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| 114 |         virtual void visit( AttrType * attrType ) = 0;
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| 115 |         virtual void visit( VarArgsType * varArgsType ) = 0;
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| 116 |         virtual void visit( ZeroType * zeroType ) = 0;
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| 117 |         virtual void visit( OneType * oneType ) = 0;
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| 118 |         virtual void visit( GlobalScopeType * globalType ) = 0;
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| 119 | 
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| 120 |         virtual void visit( Designation * designation ) = 0;
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| 121 |         virtual void visit( SingleInit * singleInit ) = 0;
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| 122 |         virtual void visit( ListInit * listInit ) = 0;
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| 123 |         virtual void visit( ConstructorInit * ctorInit ) = 0;
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| 124 | 
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| 125 |         virtual void visit( Constant * constant ) = 0;
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| 126 | 
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| 127 |         virtual void visit( Attribute * attribute ) = 0;
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| 128 | };
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| 129 | 
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| 130 | template< typename TreeType, typename VisitorType >
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| 131 | inline void maybeAccept( TreeType *tree, VisitorType &visitor ) {
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| 132 |         if ( tree ) {
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| 133 |                 tree->accept( visitor );
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| 134 |         }
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| 135 | }
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| 136 | 
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| 137 | template< typename Container, typename VisitorType >
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| 138 | inline void acceptAll( Container &container, VisitorType &visitor ) {
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| 139 |         SemanticErrorException errors;
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| 140 |         for ( typename Container::iterator i = container.begin(); i != container.end(); ++i ) {
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| 141 |                 try {
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| 142 |                         if ( *i ) {
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| 143 |                                 (*i)->accept( visitor );
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| 144 |                         }
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| 145 |                 } catch( SemanticErrorException &e ) {
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| 146 |                         errors.append( e );
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| 147 |                 }
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| 148 |         }
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| 149 |         if ( ! errors.isEmpty() ) {
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| 150 |                 throw errors;
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| 151 |         }
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| 152 | }
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| 153 | 
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| 154 | // Local Variables: //
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| 155 | // tab-width: 4 //
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| 156 | // mode: c++ //
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| 157 | // compile-command: "make install" //
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| 158 | // End: //
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