source: src/SymTab/Indexer.h@ 5ccb10d

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 5ccb10d was 33218c6, checked in by Thierry Delisle <tdelisle@…>, 8 years ago

Merge branch 'master' of plg.uwaterloo.ca:software/cfa/cfa-cc
  • 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 : Sat Jul 22 09:46:34 2017
13// Update Count : 7
14//
15
16#pragma once
17
18#include <iosfwd> // for ostream
19#include <list> // for list
20#include <string> // for string
21
22#include "SynTree/Visitor.h" // for Visitor
23#include "SynTree/SynTree.h" // for AST nodes
24
25namespace SymTab {
26 class Indexer : public Visitor {
27 public:
28 explicit Indexer( bool useDebug = false );
29
30 Indexer( const Indexer &that );
31 Indexer( Indexer &&that );
32 virtual ~Indexer();
33 Indexer& operator= ( const Indexer &that );
34 Indexer& operator= ( Indexer &&that );
35
36 using Visitor::visit;
37 virtual void visit( ObjectDecl *objectDecl );
38 virtual void visit( FunctionDecl *functionDecl );
39 virtual void visit( TypeDecl *typeDecl );
40 virtual void visit( TypedefDecl *typeDecl );
41 virtual void visit( StructDecl *aggregateDecl );
42 virtual void visit( UnionDecl *aggregateDecl );
43 virtual void visit( EnumDecl *aggregateDecl );
44 virtual void visit( TraitDecl *aggregateDecl );
45
46 virtual void visit( CompoundStmt *compoundStmt );
47
48 virtual void visit( ApplicationExpr *applicationExpr );
49 virtual void visit( UntypedExpr *untypedExpr );
50 virtual void visit( NameExpr *nameExpr );
51 virtual void visit( CastExpr *castExpr );
52 virtual void visit( AddressExpr *addressExpr );
53 virtual void visit( LabelAddressExpr *labAddressExpr );
54 virtual void visit( UntypedMemberExpr *memberExpr );
55 virtual void visit( MemberExpr *memberExpr );
56 virtual void visit( VariableExpr *variableExpr );
57 virtual void visit( ConstantExpr *constantExpr );
58 virtual void visit( SizeofExpr *sizeofExpr );
59 virtual void visit( AlignofExpr *alignofExpr );
60 virtual void visit( UntypedOffsetofExpr *offsetofExpr );
61 virtual void visit( OffsetofExpr *offsetofExpr );
62 virtual void visit( OffsetPackExpr *offsetPackExpr );
63 virtual void visit( AttrExpr *attrExpr );
64 virtual void visit( LogicalExpr *logicalExpr );
65 virtual void visit( ConditionalExpr *conditionalExpr );
66 virtual void visit( CommaExpr *commaExpr );
67 virtual void visit( TypeExpr *typeExpr );
68 virtual void visit( AsmExpr *asmExpr );
69 virtual void visit( ImplicitCopyCtorExpr *impCpCtorExpr );
70 virtual void visit( ConstructorExpr * ctorExpr );
71 virtual void visit( CompoundLiteralExpr *compLitExpr );
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( TupleAssignExpr *tupleExpr );
77 virtual void visit( StmtExpr * stmtExpr );
78 virtual void visit( UniqueExpr * uniqueExpr );
79
80 virtual void visit( TraitInstType *contextInst );
81 virtual void visit( StructInstType *contextInst );
82 virtual void visit( UnionInstType *contextInst );
83
84 virtual void visit( ForStmt *forStmt );
85
86 // when using an indexer manually (e.g., within a mutator traversal), it is necessary to tell the indexer
87 // explicitly when scopes begin and end
88 void enterScope();
89 void leaveScope();
90
91 /// Gets all declarations with the given ID
92 void lookupId( const std::string &id, std::list< DeclarationWithType* > &out ) const;
93 /// Gets the top-most type declaration with the given ID
94 NamedTypeDecl *lookupType( const std::string &id ) const;
95 /// Gets the top-most struct declaration with the given ID
96 StructDecl *lookupStruct( const std::string &id ) const;
97 /// Gets the top-most enum declaration with the given ID
98 EnumDecl *lookupEnum( const std::string &id ) const;
99 /// Gets the top-most union declaration with the given ID
100 UnionDecl *lookupUnion( const std::string &id ) const;
101 /// Gets the top-most trait declaration with the given ID
102 TraitDecl *lookupTrait( const std::string &id ) const;
103
104 void print( std::ostream &os, int indent = 0 ) const;
105 private:
106 /// looks up a specific mangled ID at the given scope
107 DeclarationWithType *lookupIdAtScope( 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 a different mangled name
109 bool hasIncompatibleCDecl( const std::string &id, const std::string &mangleName, unsigned long scope ) const;
110 /// returns true if there exists a declaration with C linkage and the given name with the same mangled name
111 bool hasCompatibleCDecl( const std::string &id, const std::string &mangleName, unsigned long scope ) const;
112 // equivalents to lookup functions that only look at tables at scope `scope` (which should be >= tables->scope)
113 NamedTypeDecl *lookupTypeAtScope( const std::string &id, unsigned long scope ) const;
114 StructDecl *lookupStructAtScope( const std::string &id, unsigned long scope ) const;
115 EnumDecl *lookupEnumAtScope( const std::string &id, unsigned long scope ) const;
116 UnionDecl *lookupUnionAtScope( const std::string &id, unsigned long scope ) const;
117 TraitDecl *lookupTraitAtScope( const std::string &id, unsigned long scope ) const;
118
119 void addId( DeclarationWithType *decl );
120 void addType( NamedTypeDecl *decl );
121 void addStruct( const std::string &id );
122 void addStruct( StructDecl *decl );
123 void addEnum( EnumDecl *decl );
124 void addUnion( const std::string &id );
125 void addUnion( UnionDecl *decl );
126 void addTrait( TraitDecl *decl );
127
128 struct Impl;
129
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// Local Variables: //
150// tab-width: 4 //
151// mode: c++ //
152// compile-command: "make install" //
153// End: //
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