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 |
|
---|
24 | namespace 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 | // equivalents to lookup functions that only look at tables at scope `scope` (which should be >= tables->scope)
|
---|
103 | NamedTypeDecl *lookupTypeAtScope( const std::string &id, unsigned long scope ) const;
|
---|
104 | StructDecl *lookupStructAtScope( const std::string &id, unsigned long scope ) const;
|
---|
105 | EnumDecl *lookupEnumAtScope( const std::string &id, unsigned long scope ) const;
|
---|
106 | UnionDecl *lookupUnionAtScope( const std::string &id, unsigned long scope ) const;
|
---|
107 | TraitDecl *lookupTraitAtScope( const std::string &id, unsigned long scope ) const;
|
---|
108 |
|
---|
109 | void addId( DeclarationWithType *decl );
|
---|
110 | void addType( NamedTypeDecl *decl );
|
---|
111 | void addStruct( const std::string &id );
|
---|
112 | void addStruct( StructDecl *decl );
|
---|
113 | void addEnum( EnumDecl *decl );
|
---|
114 | void addUnion( const std::string &id );
|
---|
115 | void addUnion( UnionDecl *decl );
|
---|
116 | void addTrait( TraitDecl *decl );
|
---|
117 |
|
---|
118 | struct Impl;
|
---|
119 | Impl *tables; ///< Copy-on-write instance of table data structure
|
---|
120 | unsigned long scope; ///< Scope index of this pointer
|
---|
121 | bool doDebug; ///< Display debugging trace?
|
---|
122 |
|
---|
123 | /// Takes a new ref to a table (returns null if null)
|
---|
124 | static Impl *newRef( Impl *toClone );
|
---|
125 | /// Clears a ref to a table (does nothing if null)
|
---|
126 | static void deleteRef( Impl *toFree );
|
---|
127 |
|
---|
128 | /// Ensures that tables variable is writable (i.e. allocated, uniquely owned by this Indexer, and at the current scope)
|
---|
129 | void makeWritable();
|
---|
130 | };
|
---|
131 | } // namespace SymTab
|
---|
132 |
|
---|
133 | #endif // INDEXER_H
|
---|
134 |
|
---|
135 | // Local Variables: //
|
---|
136 | // tab-width: 4 //
|
---|
137 | // mode: c++ //
|
---|
138 | // compile-command: "make install" //
|
---|
139 | // End: //
|
---|