[0dd3a2f] | 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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[1e1e15b] | 7 | // Indexer.h --
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[0dd3a2f] | 8 | //
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| 9 | // Author : Richard C. Bilson
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| 10 | // Created On : Sun May 17 21:38:55 2015
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[4040425] | 11 | // Last Modified By : Peter A. Buhr
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| 12 | // Last Modified On : Wed Mar 2 17:34:14 2016
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| 13 | // Update Count : 6
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[0dd3a2f] | 14 | //
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| 15 |
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| 16 | #ifndef INDEXER_H
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| 17 | #define INDEXER_H
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[51b73452] | 18 |
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| 19 | #include <list>
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| 20 | #include <string>
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| 21 |
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| 22 | #include "SynTree/Visitor.h"
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| 23 |
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| 24 | namespace SymTab {
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[a08ba92] | 25 | class Indexer : public Visitor {
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| 26 | public:
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| 27 | Indexer( bool useDebug = false );
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[e8032b0] | 28 |
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| 29 | Indexer( const Indexer &that );
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| 30 | Indexer( Indexer &&that );
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[a08ba92] | 31 | virtual ~Indexer();
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[e8032b0] | 32 | Indexer& operator= ( const Indexer &that );
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| 33 | Indexer& operator= ( Indexer &&that );
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[17cd4eb] | 34 |
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[1e1e15b] | 35 | using Visitor::visit;
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[a08ba92] | 36 | virtual void visit( ObjectDecl *objectDecl );
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| 37 | virtual void visit( FunctionDecl *functionDecl );
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| 38 | virtual void visit( TypeDecl *typeDecl );
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| 39 | virtual void visit( TypedefDecl *typeDecl );
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| 40 | virtual void visit( StructDecl *aggregateDecl );
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| 41 | virtual void visit( UnionDecl *aggregateDecl );
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| 42 | virtual void visit( EnumDecl *aggregateDecl );
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[4040425] | 43 | virtual void visit( TraitDecl *aggregateDecl );
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[17cd4eb] | 44 |
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[a08ba92] | 45 | virtual void visit( CompoundStmt *compoundStmt );
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[17cd4eb] | 46 |
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[ae4c85a] | 47 | virtual void visit( ApplicationExpr *applicationExpr );
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| 48 | virtual void visit( UntypedExpr *untypedExpr );
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| 49 | virtual void visit( NameExpr *nameExpr );
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| 50 | virtual void visit( CastExpr *castExpr );
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| 51 | virtual void visit( AddressExpr *addressExpr );
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| 52 | virtual void visit( LabelAddressExpr *labAddressExpr );
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| 53 | virtual void visit( UntypedMemberExpr *memberExpr );
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| 54 | virtual void visit( MemberExpr *memberExpr );
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| 55 | virtual void visit( VariableExpr *variableExpr );
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[1e1e15b] | 56 | virtual void visit( ConstantExpr *constantExpr );
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[ae4c85a] | 57 | virtual void visit( SizeofExpr *sizeofExpr );
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[47534159] | 58 | virtual void visit( AlignofExpr *alignofExpr );
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[2a4b088] | 59 | virtual void visit( UntypedOffsetofExpr *offsetofExpr );
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[25a054f] | 60 | virtual void visit( OffsetofExpr *offsetofExpr );
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[afc1045] | 61 | virtual void visit( OffsetPackExpr *offsetPackExpr );
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[ae4c85a] | 62 | virtual void visit( AttrExpr *attrExpr );
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| 63 | virtual void visit( LogicalExpr *logicalExpr );
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| 64 | virtual void visit( ConditionalExpr *conditionalExpr );
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| 65 | virtual void visit( CommaExpr *commaExpr );
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| 66 | virtual void visit( TupleExpr *tupleExpr );
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| 67 | virtual void visit( SolvedTupleExpr *tupleExpr );
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| 68 | virtual void visit( TypeExpr *typeExpr );
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| 69 | virtual void visit( AsmExpr *asmExpr );
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| 70 | virtual void visit( UntypedValofExpr *valofExpr );
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| 71 |
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[4040425] | 72 | virtual void visit( TraitInstType *contextInst );
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[a08ba92] | 73 | virtual void visit( StructInstType *contextInst );
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| 74 | virtual void visit( UnionInstType *contextInst );
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[d4778a6] | 75 |
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[a08ba92] | 76 | virtual void visit( ForStmt *forStmt );
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[d4778a6] | 77 |
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[a08ba92] | 78 | // when using an indexer manually (e.g., within a mutator traversal), it is necessary to tell the indexer
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| 79 | // explicitly when scopes begin and end
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| 80 | void enterScope();
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| 81 | void leaveScope();
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[17cd4eb] | 82 |
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[bed4c63e] | 83 | /// Gets all declarations with the given ID
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[e8032b0] | 84 | void lookupId( const std::string &id, std::list< DeclarationWithType* > &out ) const;
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[bed4c63e] | 85 | /// Gets the top-most type declaration with the given ID
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[a08ba92] | 86 | NamedTypeDecl *lookupType( const std::string &id ) const;
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[bed4c63e] | 87 | /// Gets the top-most struct declaration with the given ID
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[a08ba92] | 88 | StructDecl *lookupStruct( const std::string &id ) const;
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[bed4c63e] | 89 | /// Gets the top-most enum declaration with the given ID
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[a08ba92] | 90 | EnumDecl *lookupEnum( const std::string &id ) const;
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[bed4c63e] | 91 | /// Gets the top-most union declaration with the given ID
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[a08ba92] | 92 | UnionDecl *lookupUnion( const std::string &id ) const;
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[bed4c63e] | 93 | /// Gets the top-most trait declaration with the given ID
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[4040425] | 94 | TraitDecl *lookupTrait( const std::string &id ) const;
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[1e1e15b] | 95 |
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[a08ba92] | 96 | void print( std::ostream &os, int indent = 0 ) const;
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| 97 | private:
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[bed4c63e] | 98 | /// looks up a specific mangled ID at the given scope
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| 99 | DeclarationWithType *lookupIdAtScope( const std::string &id, const std::string &mangleName, unsigned long scope ) const;
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[5447e09] | 100 | /// returns true if there exists a declaration with C linkage and the given name with a different mangled name
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[09d1ad0] | 101 | bool hasIncompatibleCDecl( const std::string &id, const std::string &mangleName, unsigned long scope ) const;
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[52c2a72] | 102 | // equivalents to lookup functions that only look at tables at scope `scope` (which should be >= tables->scope)
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| 103 | NamedTypeDecl *lookupTypeAtScope( const std::string &id, unsigned long scope ) const;
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| 104 | StructDecl *lookupStructAtScope( const std::string &id, unsigned long scope ) const;
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| 105 | EnumDecl *lookupEnumAtScope( const std::string &id, unsigned long scope ) const;
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| 106 | UnionDecl *lookupUnionAtScope( const std::string &id, unsigned long scope ) const;
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| 107 | TraitDecl *lookupTraitAtScope( const std::string &id, unsigned long scope ) const;
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[1e1e15b] | 108 |
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[e8032b0] | 109 | void addId( DeclarationWithType *decl );
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| 110 | void addType( NamedTypeDecl *decl );
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| 111 | void addStruct( const std::string &id );
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| 112 | void addStruct( StructDecl *decl );
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| 113 | void addEnum( EnumDecl *decl );
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| 114 | void addUnion( const std::string &id );
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| 115 | void addUnion( UnionDecl *decl );
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| 116 | void addTrait( TraitDecl *decl );
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[1e1e15b] | 117 |
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[e8032b0] | 118 | struct Impl;
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[52c2a72] | 119 | Impl *tables; ///< Copy-on-write instance of table data structure
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| 120 | unsigned long scope; ///< Scope index of this pointer
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| 121 | bool doDebug; ///< Display debugging trace?
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[e8032b0] | 122 |
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| 123 | /// Takes a new ref to a table (returns null if null)
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| 124 | static Impl *newRef( Impl *toClone );
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| 125 | /// Clears a ref to a table (does nothing if null)
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| 126 | static void deleteRef( Impl *toFree );
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| 127 |
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[52c2a72] | 128 | /// Ensures that tables variable is writable (i.e. allocated, uniquely owned by this Indexer, and at the current scope)
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[e8032b0] | 129 | void makeWritable();
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[a08ba92] | 130 | };
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[51b73452] | 131 | } // namespace SymTab
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| 132 |
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[0dd3a2f] | 133 | #endif // INDEXER_H
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| 134 |
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| 135 | // Local Variables: //
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| 136 | // tab-width: 4 //
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| 137 | // mode: c++ //
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| 138 | // compile-command: "make install" //
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| 139 | // End: //
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