source: src/SymTab/Indexer.h @ 81644e0

aaron-thesisarm-ehcleanup-dtorsdeferred_resndemanglerjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprnew-envno_listpersistent-indexerresolv-newwith_gc
Last change on this file since 81644e0 was 81644e0, checked in by Rob Schluntz <rschlunt@…>, 4 years ago

Add Indexer::addWith to insert with expression members into current scope

  • Property mode set to 100644
File size: 4.7 KB
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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 : Thu Aug 17 16:09:12 2017
13// Update Count     : 8
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 {
27          public:
28                explicit Indexer();
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                // when using an indexer manually (e.g., within a mutator traversal), it is necessary to tell the indexer
37                // explicitly when scopes begin and end
38                void enterScope();
39                void leaveScope();
40
41                /// Gets all declarations with the given ID
42                void lookupId( const std::string &id, std::list< DeclarationWithType* > &out ) const;
43                /// Gets the top-most type declaration with the given ID
44                NamedTypeDecl *lookupType( const std::string &id ) const;
45                /// Gets the top-most struct declaration with the given ID
46                StructDecl *lookupStruct( const std::string &id ) const;
47                /// Gets the top-most enum declaration with the given ID
48                EnumDecl *lookupEnum( const std::string &id ) const;
49                /// Gets the top-most union declaration with the given ID
50                UnionDecl *lookupUnion( const std::string &id ) const;
51                /// Gets the top-most trait declaration with the given ID
52                TraitDecl *lookupTrait( const std::string &id ) const;
53
54                void print( std::ostream &os, int indent = 0 ) const;
55
56                /// looks up a specific mangled ID at the given scope
57                DeclarationWithType *lookupIdAtScope( const std::string &id, const std::string &mangleName, unsigned long scope ) const;
58                /// returns true if there exists a declaration with C linkage and the given name with a different mangled name
59                bool hasIncompatibleCDecl( const std::string &id, const std::string &mangleName, unsigned long scope ) const;
60                /// returns true if there exists a declaration with C linkage and the given name with the same mangled name
61                bool hasCompatibleCDecl( const std::string &id, const std::string &mangleName, unsigned long scope ) const;
62                // equivalents to lookup functions that only look at tables at scope `scope` (which should be >= tables->scope)
63                NamedTypeDecl *lookupTypeAtScope( const std::string &id, unsigned long scope ) const;
64                StructDecl *lookupStructAtScope( const std::string &id, unsigned long scope ) const;
65                EnumDecl *lookupEnumAtScope( const std::string &id, unsigned long scope ) const;
66                UnionDecl *lookupUnionAtScope( const std::string &id, unsigned long scope ) const;
67                TraitDecl *lookupTraitAtScope( const std::string &id, unsigned long scope ) const;
68
69                void addId( DeclarationWithType *decl );
70                void addType( NamedTypeDecl *decl );
71                void addStruct( const std::string &id );
72                void addStruct( StructDecl *decl );
73                void addEnum( EnumDecl *decl );
74                void addUnion( const std::string &id );
75                void addUnion( UnionDecl *decl );
76                void addTrait( TraitDecl *decl );
77
78                /// adds all of the IDs from WithStmt exprs
79                void addWith( WithStmt * );
80
81                /// convenience function for adding a list of Ids to the indexer
82                void addIds( const std::list< DeclarationWithType * > & decls );
83
84                /// convenience function for adding a list of forall parameters to the indexer
85                void addTypes( const std::list< TypeDecl * > & tds );
86
87                /// convenience function for adding all of the declarations in a function type to the indexer
88                void addFunctionType( FunctionType * ftype );
89
90                bool doDebug = false; ///< Display debugging trace?
91          private:
92                struct Impl;
93
94                Impl *tables;         ///< Copy-on-write instance of table data structure
95                unsigned long scope;  ///< Scope index of this pointer
96
97                /// Takes a new ref to a table (returns null if null)
98                static Impl *newRef( Impl *toClone );
99                /// Clears a ref to a table (does nothing if null)
100                static void deleteRef( Impl *toFree );
101
102                // Removes matching autogenerated constructors and destructors
103                // so that they will not be selected
104                // void removeSpecialOverrides( FunctionDecl *decl );
105                void removeSpecialOverrides( const std::string &id, std::list< DeclarationWithType * > & out ) const;
106
107                /// Ensures that tables variable is writable (i.e. allocated, uniquely owned by this Indexer, and at the current scope)
108                void makeWritable();
109        };
110} // namespace SymTab
111
112// Local Variables: //
113// tab-width: 4 //
114// mode: c++ //
115// compile-command: "make install" //
116// End: //
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