source: src/SymTab/Indexer.h@ 764db43

ADT aaron-thesis arm-eh ast-experimental cleanup-dtors deferred_resn demangler enum forall-pointer-decay jacob/cs343-translation jenkins-sandbox new-ast new-ast-unique-expr new-env no_list persistent-indexer pthread-emulation qualifiedEnum resolv-new with_gc
Last change on this file since 764db43 was 6b0b624, checked in by Peter A. Buhr <pabuhr@…>, 8 years ago

change #ifndef to #pragma once
  • Property mode set to 100644
File size: 6.3 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 : Sat Jul 22 09:46:34 2017
13// Update Count : 7
14//
15
16#pragma once
17
18#include <list>
19#include <string>
20
21#include "SynTree/Visitor.h"
22
23namespace SymTab {
24 class Indexer : public Visitor {
25 public:
26 explicit Indexer( bool useDebug = false );
27
28 Indexer( const Indexer &that );
29 Indexer( Indexer &&that );
30 virtual ~Indexer();
31 Indexer& operator= ( const Indexer &that );
32 Indexer& operator= ( Indexer &&that );
33
34 using Visitor::visit;
35 virtual void visit( ObjectDecl *objectDecl );
36 virtual void visit( FunctionDecl *functionDecl );
37 virtual void visit( TypeDecl *typeDecl );
38 virtual void visit( TypedefDecl *typeDecl );
39 virtual void visit( StructDecl *aggregateDecl );
40 virtual void visit( UnionDecl *aggregateDecl );
41 virtual void visit( EnumDecl *aggregateDecl );
42 virtual void visit( TraitDecl *aggregateDecl );
43
44 virtual void visit( CompoundStmt *compoundStmt );
45
46 virtual void visit( ApplicationExpr *applicationExpr );
47 virtual void visit( UntypedExpr *untypedExpr );
48 virtual void visit( NameExpr *nameExpr );
49 virtual void visit( CastExpr *castExpr );
50 virtual void visit( AddressExpr *addressExpr );
51 virtual void visit( LabelAddressExpr *labAddressExpr );
52 virtual void visit( UntypedMemberExpr *memberExpr );
53 virtual void visit( MemberExpr *memberExpr );
54 virtual void visit( VariableExpr *variableExpr );
55 virtual void visit( ConstantExpr *constantExpr );
56 virtual void visit( SizeofExpr *sizeofExpr );
57 virtual void visit( AlignofExpr *alignofExpr );
58 virtual void visit( UntypedOffsetofExpr *offsetofExpr );
59 virtual void visit( OffsetofExpr *offsetofExpr );
60 virtual void visit( OffsetPackExpr *offsetPackExpr );
61 virtual void visit( AttrExpr *attrExpr );
62 virtual void visit( LogicalExpr *logicalExpr );
63 virtual void visit( ConditionalExpr *conditionalExpr );
64 virtual void visit( CommaExpr *commaExpr );
65 virtual void visit( TypeExpr *typeExpr );
66 virtual void visit( AsmExpr *asmExpr );
67 virtual void visit( ImplicitCopyCtorExpr *impCpCtorExpr );
68 virtual void visit( ConstructorExpr * ctorExpr );
69 virtual void visit( CompoundLiteralExpr *compLitExpr );
70 virtual void visit( RangeExpr *rangeExpr );
71 virtual void visit( UntypedTupleExpr *tupleExpr );
72 virtual void visit( TupleExpr *tupleExpr );
73 virtual void visit( TupleIndexExpr *tupleExpr );
74 virtual void visit( TupleAssignExpr *tupleExpr );
75 virtual void visit( StmtExpr * stmtExpr );
76 virtual void visit( UniqueExpr * uniqueExpr );
77
78 virtual void visit( TraitInstType *contextInst );
79 virtual void visit( StructInstType *contextInst );
80 virtual void visit( UnionInstType *contextInst );
81
82 virtual void visit( ForStmt *forStmt );
83
84 // when using an indexer manually (e.g., within a mutator traversal), it is necessary to tell the indexer
85 // explicitly when scopes begin and end
86 void enterScope();
87 void leaveScope();
88
89 /// Gets all declarations with the given ID
90 void lookupId( const std::string &id, std::list< DeclarationWithType* > &out ) const;
91 /// Gets the top-most type declaration with the given ID
92 NamedTypeDecl *lookupType( const std::string &id ) const;
93 /// Gets the top-most struct declaration with the given ID
94 StructDecl *lookupStruct( const std::string &id ) const;
95 /// Gets the top-most enum declaration with the given ID
96 EnumDecl *lookupEnum( const std::string &id ) const;
97 /// Gets the top-most union declaration with the given ID
98 UnionDecl *lookupUnion( const std::string &id ) const;
99 /// Gets the top-most trait declaration with the given ID
100 TraitDecl *lookupTrait( const std::string &id ) const;
101
102 void print( std::ostream &os, int indent = 0 ) const;
103 private:
104 /// looks up a specific mangled ID at the given scope
105 DeclarationWithType *lookupIdAtScope( const std::string &id, const std::string &mangleName, unsigned long scope ) const;
106 /// returns true if there exists a declaration with C linkage and the given name with a different mangled name
107 bool hasIncompatibleCDecl( const std::string &id, const std::string &mangleName, unsigned long scope ) const;
108 /// returns true if there exists a declaration with C linkage and the given name with the same mangled name
109 bool hasCompatibleCDecl( const std::string &id, const std::string &mangleName, unsigned long scope ) const;
110 // equivalents to lookup functions that only look at tables at scope `scope` (which should be >= tables->scope)
111 NamedTypeDecl *lookupTypeAtScope( const std::string &id, unsigned long scope ) const;
112 StructDecl *lookupStructAtScope( const std::string &id, unsigned long scope ) const;
113 EnumDecl *lookupEnumAtScope( const std::string &id, unsigned long scope ) const;
114 UnionDecl *lookupUnionAtScope( const std::string &id, unsigned long scope ) const;
115 TraitDecl *lookupTraitAtScope( const std::string &id, unsigned long scope ) const;
116
117 void addId( DeclarationWithType *decl );
118 void addType( NamedTypeDecl *decl );
119 void addStruct( const std::string &id );
120 void addStruct( StructDecl *decl );
121 void addEnum( EnumDecl *decl );
122 void addUnion( const std::string &id );
123 void addUnion( UnionDecl *decl );
124 void addTrait( TraitDecl *decl );
125
126 struct Impl;
127 Impl *tables; ///< Copy-on-write instance of table data structure
128 unsigned long scope; ///< Scope index of this pointer
129 bool doDebug; ///< Display debugging trace?
130
131 /// Takes a new ref to a table (returns null if null)
132 static Impl *newRef( Impl *toClone );
133 /// Clears a ref to a table (does nothing if null)
134 static void deleteRef( Impl *toFree );
135
136 // Removes matching autogenerated constructors and destructors
137 // so that they will not be selected
138 // void removeSpecialOverrides( FunctionDecl *decl );
139 void removeSpecialOverrides( const std::string &id, std::list< DeclarationWithType * > & out ) const;
140
141 /// Ensures that tables variable is writable (i.e. allocated, uniquely owned by this Indexer, and at the current scope)
142 void makeWritable();
143 };
144} // namespace SymTab
145
146// Local Variables: //
147// tab-width: 4 //
148// mode: c++ //
149// compile-command: "make install" //
150// End: //
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