source: src/GenPoly/GenPoly.h @ c2ad3c9

aaron-thesisarm-ehcleanup-dtorsctordeferred_resndemanglerenumforall-pointer-decaygc_noraiijacob/cs343-translationjenkins-sandboxmemorynew-astnew-ast-unique-exprnew-envno_listpersistent-indexerpthread-emulationqualifiedEnumresolv-newwith_gc
Last change on this file since c2ad3c9 was c2ad3c9, checked in by Aaron Moss <a3moss@…>, 6 years ago

fix explicit cast error for returning polymorphic types, also potential infinite loop in findGeneric

  • Property mode set to 100644
File size: 4.3 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// GenPoly.h --
8//
9// Author           : Richard C. Bilson
10// Created On       : Mon May 18 07:44:20 2015
11// Last Modified By : Rob Schluntz
12// Last Modified On : Tue Nov 24 15:24:38 2015
13// Update Count     : 6
14//
15
16#ifndef GENPOLY_H
17#define GENPOLY_H
18
19#include <string>
20#include <iostream>
21#include <utility>
22
23#include "ErasableScopedMap.h"
24
25#include "SymTab/Mangler.h"
26
27#include "SynTree/Declaration.h"
28#include "SynTree/Type.h"
29#include "SynTree/TypeSubstitution.h"
30
31namespace GenPoly {
32        typedef ErasableScopedMap< std::string, TypeDecl::Kind > TyVarMap;
33       
34        /// A function needs an adapter if it returns a polymorphic value or if any of its
35        /// parameters have polymorphic type
36        bool needsAdapter( FunctionType *adaptee, const TyVarMap &tyVarr );
37
38        /// true iff function has polymorphic return type
39        ReferenceToType *isPolyRet( FunctionType *function );
40
41        /// Replaces a TypeInstType by its referrent in the environment, if applicable
42        Type* replaceTypeInst( Type* type, const TypeSubstitution* env );
43       
44        /// returns polymorphic type if is polymorphic type, NULL otherwise; will look up substitution in env if provided
45        Type *isPolyType( Type *type, const TypeSubstitution *env = 0 );
46       
47        /// returns polymorphic type if is polymorphic type in tyVars, NULL otherwise; will look up substitution in env if provided
48        Type *isPolyType( Type *type, const TyVarMap &tyVars, const TypeSubstitution *env = 0 );
49
50        /// returns polymorphic type if is pointer to polymorphic type, NULL otherwise; will look up substitution in env if provided
51        Type *isPolyPtr( Type *type, const TypeSubstitution *env = 0 );
52       
53        /// returns polymorphic type if is pointer to polymorphic type in tyVars, NULL otherwise; will look up substitution in env if provided
54        Type *isPolyPtr( Type *type, const TyVarMap &tyVars, const TypeSubstitution *env = 0 );
55
56        /// if the base type (after dereferencing N >= 0 pointers) is a polymorphic type, returns the base type, NULL otherwise;
57        /// N will be stored in levels, if provided, will look up substitution in env if provided
58        Type *hasPolyBase( Type *type, int *levels = 0, const TypeSubstitution *env = 0 );
59
60        /// if the base type (after dereferencing N >= 0 pointers) is a polymorphic type in tyVars, returns the base type, NULL otherwise;
61        /// N will be stored in levels, if provided, will look up substitution in env if provided
62        Type *hasPolyBase( Type *type, const TyVarMap &tyVars, int *levels = 0, const TypeSubstitution *env = 0 );
63
64        /// Returns a pointer to the base FunctionType if ty is the type of a function (or pointer to one), NULL otherwise
65        FunctionType *getFunctionType( Type *ty );
66
67        /// If expr (after dereferencing N >= 0 pointers) is a variable expression, returns the variable expression, NULL otherwise;
68        /// N will be stored in levels, if provided
69        VariableExpr *getBaseVar( Expression *expr, int *levels = 0 );
70
71        /// Adds the declarations in the forall list of type (and its pointed-to type if it's a pointer type) to `tyVarMap`
72        void makeTyVarMap( Type *type, TyVarMap &tyVarMap );
73       
74        /// Prints type variable map
75        void printTyVarMap( std::ostream &os, const TyVarMap &tyVarMap );
76
77        /// Gets the mangled name of this type; alias for SymTab::Mangler::mangleType().
78        inline std::string mangleType( Type *ty ) { return SymTab::Mangler::mangleType( ty ); }
79       
80        /// Gets the name of the sizeof parameter for the type, given its mangled name
81        inline std::string sizeofName( const std::string &name ) { return std::string( "_sizeof_" ) + name; }
82
83        /// Gets the name of the alignof parameter for the type, given its mangled name
84        inline std::string alignofName( const std::string &name ) { return std::string( "_alignof_" ) + name; }
85
86        /// Gets the name of the offsetof parameter for the type, given its mangled name
87        inline std::string offsetofName( const std::string &name ) { return std::string( "_offsetof_" ) + name; }
88
89        /// Gets the name of the layout function for a given aggregate type, given its declaration
90        inline std::string layoutofName( AggregateDecl *decl ) { return std::string( "_layoutof_" ) + decl->get_name(); }
91       
92} // namespace GenPoly
93
94#endif // GENPOLY_H
95
96// Local Variables: //
97// tab-width: 4 //
98// mode: c++ //
99// compile-command: "make install" //
100// End: //
Note: See TracBrowser for help on using the repository browser.