source: src/SymTab/Indexer.h @ 0afffee

ADTaaron-thesisarm-ehast-experimentalcleanup-dtorsdeferred_resndemanglerenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprnew-envno_listpersistent-indexerpthread-emulationqualifiedEnumresolv-newwith_gc
Last change on this file since 0afffee was 1ba88a0, checked in by Rob Schluntz <rschlunt@…>, 8 years ago

implement implicit ctor/dtor deletion, track managed types when inserting ConstructorInit? nodes, remove fallbackInit case, update tests

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File size: 5.9 KB
Line 
1//
2// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
7// Indexer.h --
8//
9// Author           : Richard C. Bilson
10// Created On       : Sun May 17 21:38:55 2015
11// Last Modified By : Peter A. Buhr
12// Last Modified On : Wed Mar  2 17:34:14 2016
13// Update Count     : 6
14//
15
16#ifndef INDEXER_H
17#define INDEXER_H
18
19#include <list>
20#include <string>
21
22#include "SynTree/Visitor.h"
23
24namespace SymTab {
25        class Indexer : public Visitor {
26          public:
27                Indexer( bool useDebug = false );
28
29                Indexer( const Indexer &that );
30                Indexer( Indexer &&that );
31                virtual ~Indexer();
32                Indexer& operator= ( const Indexer &that );
33                Indexer& operator= ( Indexer &&that );
34
35                using Visitor::visit;
36                virtual void visit( ObjectDecl *objectDecl );
37                virtual void visit( FunctionDecl *functionDecl );
38                virtual void visit( TypeDecl *typeDecl );
39                virtual void visit( TypedefDecl *typeDecl );
40                virtual void visit( StructDecl *aggregateDecl );
41                virtual void visit( UnionDecl *aggregateDecl );
42                virtual void visit( EnumDecl *aggregateDecl );
43                virtual void visit( TraitDecl *aggregateDecl );
44
45                virtual void visit( CompoundStmt *compoundStmt );
46
47                virtual void visit( ApplicationExpr *applicationExpr );
48                virtual void visit( UntypedExpr *untypedExpr );
49                virtual void visit( NameExpr *nameExpr );
50                virtual void visit( CastExpr *castExpr );
51                virtual void visit( AddressExpr *addressExpr );
52                virtual void visit( LabelAddressExpr *labAddressExpr );
53                virtual void visit( UntypedMemberExpr *memberExpr );
54                virtual void visit( MemberExpr *memberExpr );
55                virtual void visit( VariableExpr *variableExpr );
56                virtual void visit( ConstantExpr *constantExpr );
57                virtual void visit( SizeofExpr *sizeofExpr );
58                virtual void visit( AlignofExpr *alignofExpr );
59                virtual void visit( UntypedOffsetofExpr *offsetofExpr );
60                virtual void visit( OffsetofExpr *offsetofExpr );
61                virtual void visit( OffsetPackExpr *offsetPackExpr );
62                virtual void visit( AttrExpr *attrExpr );
63                virtual void visit( LogicalExpr *logicalExpr );
64                virtual void visit( ConditionalExpr *conditionalExpr );
65                virtual void visit( CommaExpr *commaExpr );
66                virtual void visit( TupleExpr *tupleExpr );
67                virtual void visit( SolvedTupleExpr *tupleExpr );
68                virtual void visit( TypeExpr *typeExpr );
69                virtual void visit( AsmExpr *asmExpr );
70                virtual void visit( UntypedValofExpr *valofExpr );
71
72                virtual void visit( TraitInstType *contextInst );
73                virtual void visit( StructInstType *contextInst );
74                virtual void visit( UnionInstType *contextInst );
75
76                virtual void visit( ForStmt *forStmt );
77
78                // when using an indexer manually (e.g., within a mutator traversal), it is necessary to tell the indexer
79                // explicitly when scopes begin and end
80                void enterScope();
81                void leaveScope();
82
83                /// Gets all declarations with the given ID
84                void lookupId( const std::string &id, std::list< DeclarationWithType* > &out ) const;
85                /// Gets the top-most type declaration with the given ID
86                NamedTypeDecl *lookupType( const std::string &id ) const;
87                /// Gets the top-most struct declaration with the given ID
88                StructDecl *lookupStruct( const std::string &id ) const;
89                /// Gets the top-most enum declaration with the given ID
90                EnumDecl *lookupEnum( const std::string &id ) const;
91                /// Gets the top-most union declaration with the given ID
92                UnionDecl *lookupUnion( const std::string &id ) const;
93                /// Gets the top-most trait declaration with the given ID
94                TraitDecl *lookupTrait( const std::string &id ) const;
95
96                void print( std::ostream &os, int indent = 0 ) const;
97          private:
98                /// looks up a specific mangled ID at the given scope
99                DeclarationWithType *lookupIdAtScope( const std::string &id, const std::string &mangleName, unsigned long scope ) const;
100                /// returns true if there exists a declaration with C linkage and the given name with a different mangled name
101                bool hasIncompatibleCDecl( const std::string &id, const std::string &mangleName, unsigned long scope ) const;
102                /// returns true if there exists a declaration with C linkage and the given name with the same mangled name
103                bool hasCompatibleCDecl( const std::string &id, const std::string &mangleName, unsigned long scope ) const;
104                // equivalents to lookup functions that only look at tables at scope `scope` (which should be >= tables->scope)
105                NamedTypeDecl *lookupTypeAtScope( const std::string &id, unsigned long scope ) const;
106                StructDecl *lookupStructAtScope( const std::string &id, unsigned long scope ) const;
107                EnumDecl *lookupEnumAtScope( const std::string &id, unsigned long scope ) const;
108                UnionDecl *lookupUnionAtScope( const std::string &id, unsigned long scope ) const;
109                TraitDecl *lookupTraitAtScope( const std::string &id, unsigned long scope ) const;
110
111                void addId( DeclarationWithType *decl );
112                void addType( NamedTypeDecl *decl );
113                void addStruct( const std::string &id );
114                void addStruct( StructDecl *decl );
115                void addEnum( EnumDecl *decl );
116                void addUnion( const std::string &id );
117                void addUnion( UnionDecl *decl );
118                void addTrait( TraitDecl *decl );
119
120                struct Impl;
121                Impl *tables;         ///< Copy-on-write instance of table data structure
122                unsigned long scope;  ///< Scope index of this pointer
123                bool doDebug;         ///< Display debugging trace?
124
125                /// Takes a new ref to a table (returns null if null)
126                static Impl *newRef( Impl *toClone );
127                /// Clears a ref to a table (does nothing if null)
128                static void deleteRef( Impl *toFree );
129
130                // Removes matching autogenerated constructors and destructors
131                // so that they will not be selected
132                // void removeSpecialOverrides( FunctionDecl *decl );
133                void removeSpecialOverrides( const std::string &id, std::list< DeclarationWithType * > & out ) const;
134
135                /// Ensures that tables variable is writable (i.e. allocated, uniquely owned by this Indexer, and at the current scope)
136                void makeWritable();
137        };
138} // namespace SymTab
139
140#endif // INDEXER_H
141
142// Local Variables: //
143// tab-width: 4 //
144// mode: c++ //
145// compile-command: "make install" //
146// End: //
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