source: src/SymTab/Indexer.h@ a7c90d4

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 a7c90d4 was 907eccb, checked in by Rob Schluntz <rschlunt@…>, 9 years ago

added UntypedTupleExpr to better differentiate typed and untyped contexts, simplifying some code
  • Property mode set to 100644
File size: 6.4 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 explicit 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( TypeExpr *typeExpr );
67 virtual void visit( AsmExpr *asmExpr );
68 virtual void visit( ImplicitCopyCtorExpr *impCpCtorExpr );
69 virtual void visit( ConstructorExpr * ctorExpr );
70 virtual void visit( CompoundLiteralExpr *compLitExpr );
71 virtual void visit( UntypedValofExpr *valofExpr );
72 virtual void visit( RangeExpr *rangeExpr );
73 virtual void visit( UntypedTupleExpr *tupleExpr );
74 virtual void visit( TupleExpr *tupleExpr );
75 virtual void visit( TupleIndexExpr *tupleExpr );
76 virtual void visit( MemberTupleExpr *tupleExpr );
77 virtual void visit( TupleAssignExpr *tupleExpr );
78 virtual void visit( StmtExpr * stmtExpr );
79 virtual void visit( UniqueExpr * uniqueExpr );
80
81 virtual void visit( TraitInstType *contextInst );
82 virtual void visit( StructInstType *contextInst );
83 virtual void visit( UnionInstType *contextInst );
84
85 virtual void visit( ForStmt *forStmt );
86
87 // when using an indexer manually (e.g., within a mutator traversal), it is necessary to tell the indexer
88 // explicitly when scopes begin and end
89 void enterScope();
90 void leaveScope();
91
92 /// Gets all declarations with the given ID
93 void lookupId( const std::string &id, std::list< DeclarationWithType* > &out ) const;
94 /// Gets the top-most type declaration with the given ID
95 NamedTypeDecl *lookupType( const std::string &id ) const;
96 /// Gets the top-most struct declaration with the given ID
97 StructDecl *lookupStruct( const std::string &id ) const;
98 /// Gets the top-most enum declaration with the given ID
99 EnumDecl *lookupEnum( const std::string &id ) const;
100 /// Gets the top-most union declaration with the given ID
101 UnionDecl *lookupUnion( const std::string &id ) const;
102 /// Gets the top-most trait declaration with the given ID
103 TraitDecl *lookupTrait( const std::string &id ) const;
104
105 void print( std::ostream &os, int indent = 0 ) const;
106 private:
107 /// looks up a specific mangled ID at the given scope
108 DeclarationWithType *lookupIdAtScope( const std::string &id, const std::string &mangleName, unsigned long scope ) const;
109 /// returns true if there exists a declaration with C linkage and the given name with a different mangled name
110 bool hasIncompatibleCDecl( const std::string &id, const std::string &mangleName, unsigned long scope ) const;
111 /// returns true if there exists a declaration with C linkage and the given name with the same mangled name
112 bool hasCompatibleCDecl( const std::string &id, const std::string &mangleName, unsigned long scope ) const;
113 // equivalents to lookup functions that only look at tables at scope `scope` (which should be >= tables->scope)
114 NamedTypeDecl *lookupTypeAtScope( const std::string &id, unsigned long scope ) const;
115 StructDecl *lookupStructAtScope( const std::string &id, unsigned long scope ) const;
116 EnumDecl *lookupEnumAtScope( const std::string &id, unsigned long scope ) const;
117 UnionDecl *lookupUnionAtScope( const std::string &id, unsigned long scope ) const;
118 TraitDecl *lookupTraitAtScope( const std::string &id, unsigned long scope ) const;
119
120 void addId( DeclarationWithType *decl );
121 void addType( NamedTypeDecl *decl );
122 void addStruct( const std::string &id );
123 void addStruct( StructDecl *decl );
124 void addEnum( EnumDecl *decl );
125 void addUnion( const std::string &id );
126 void addUnion( UnionDecl *decl );
127 void addTrait( TraitDecl *decl );
128
129 struct Impl;
130 Impl *tables; ///< Copy-on-write instance of table data structure
131 unsigned long scope; ///< Scope index of this pointer
132 bool doDebug; ///< Display debugging trace?
133
134 /// Takes a new ref to a table (returns null if null)
135 static Impl *newRef( Impl *toClone );
136 /// Clears a ref to a table (does nothing if null)
137 static void deleteRef( Impl *toFree );
138
139 // Removes matching autogenerated constructors and destructors
140 // so that they will not be selected
141 // void removeSpecialOverrides( FunctionDecl *decl );
142 void removeSpecialOverrides( const std::string &id, std::list< DeclarationWithType * > & out ) const;
143
144 /// Ensures that tables variable is writable (i.e. allocated, uniquely owned by this Indexer, and at the current scope)
145 void makeWritable();
146 };
147} // namespace SymTab
148
149#endif // INDEXER_H
150
151// Local Variables: //
152// tab-width: 4 //
153// mode: c++ //
154// compile-command: "make install" //
155// End: //
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