source: src/Parser/TypedefTable.h @ 7880579

aaron-thesisarm-ehcleanup-dtorsctordeferred_resndemanglerjacob/cs343-translationjenkins-sandboxmemorynew-astnew-ast-unique-exprnew-envno_listpersistent-indexerresolv-newwith_gc
Last change on this file since 7880579 was 7880579, checked in by Peter A. Buhr <pabuhr@…>, 5 years ago

more refactoring of parser code

  • Property mode set to 100644
File size: 2.9 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// TypedefTable.h --
8//
9// Author           : Rodolfo G. Esteves
10// Created On       : Sat May 16 15:24:36 2015
11// Last Modified By : Peter A. Buhr
12// Last Modified On : Mon Aug 15 18:25:04 2016
13// Update Count     : 28
14//
15
16#ifndef TYPEDEFTABLE_H
17#define TYPEDEFTABLE_H
18
19#include <map>
20#include <list>
21#include <string>
22#include <stack>
23
24#include "lex.h"
25#include "parser.h"
26
27class TypedefTable {
28  public:
29        enum kind_t { ID = IDENTIFIER, TD = TYPEDEFname, TG = TYPEGENname };
30  private:
31        struct Entry {
32                int scope;
33                kind_t kind;
34        };
35       
36        struct DeferredEntry {
37                std::string identifier;
38                kind_t kind;
39        };
40
41        typedef std::map< std::string, std::list< Entry > > tableType;
42        tableType table;
43
44        int currentScope;
45        std::string currentTrait;
46        int contextScope;
47       
48        typedef std::list< DeferredEntry > deferListType;
49        std::stack< deferListType > deferListStack;
50        std::map< std::string, deferListType > contexts;
51       
52        std::stack< std::string > nextIdentifiers;
53
54        void addToScope( const std::string &identifier, kind_t kind, int scope );
55  public:
56        TypedefTable();
57
58        bool exists( const std::string &identifier );
59        int isKind( const std::string &identifier ) const;
60        void changeKind( const std::string &identifier, kind_t kind );
61
62        void makeTypedef( const std::string &name );
63
64        // "addToCurrentScope" adds the identifier/type pair to the current scope. This does less than you think it does,
65        // since each declaration is within its own scope.  Mostly useful for type parameters.
66        void addToCurrentScope( const std::string &identifier, kind_t kind );
67        void addToCurrentScope( kind_t kind );                  // use nextIdentifiers.top()
68
69        // "addToEnclosingScope" adds the identifier/type pair to the scope that encloses the current one.  This is the
70        // right way to handle type and typedef names
71        void addToEnclosingScope( const std::string &identifier, kind_t kind );
72        void addToEnclosingScope( kind_t kind );                // use nextIdentifiers.top()
73       
74        // "addToEnclosingScope2" adds the identifier/type pair to the scope that encloses the scope enclosing the the
75        // current one.  This is the right way to handle assertion names
76        void addToEnclosingScope2( const std::string &identifier, kind_t kind );
77        void addToEnclosingScope2( kind_t kind );               // use nextIdentifiers.top()
78       
79        // set the next identifier to be used by an "add" operation without an identifier parameter within the current scope
80        void setNextIdentifier( const std::string &identifier );
81       
82        // dump the definitions from a pre-defined context into the current scope
83        void openTrait( const std::string &contextName );
84       
85        void enterScope();
86        void leaveScope();
87        void enterTrait( const std::string &contextName );
88        void leaveTrait();
89
90        void print() const;
91};
92
93#endif // TYPEDEFTABLE_H
94
95// Local Variables: //
96// tab-width: 4 //
97// mode: c++ //
98// compile-command: "make install" //
99// End: //
Note: See TracBrowser for help on using the repository browser.