source: src/GenPoly/GenPoly.h @ 6b0b624

aaron-thesisarm-ehcleanup-dtorsdeferred_resndemanglerjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprnew-envno_listpersistent-indexerresolv-newwith_gc
Last change on this file since 6b0b624 was 6b0b624, checked in by Peter A. Buhr <pabuhr@…>, 4 years ago

change #ifndef to #pragma once

  • Property mode set to 100644
File size: 5.6 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 : Peter A. Buhr
12// Last Modified On : Sat Jul 22 09:22:57 2017
13// Update Count     : 7
14//
15
16#pragma once
17
18#include <string>
19#include <iostream>
20#include <utility>
21
22#include "ErasableScopedMap.h"
23
24#include "SymTab/Mangler.h"
25
26#include "SynTree/Declaration.h"
27#include "SynTree/Type.h"
28#include "SynTree/TypeSubstitution.h"
29
30namespace GenPoly {
31        typedef ErasableScopedMap< std::string, TypeDecl::Data > TyVarMap;
32
33        /// Replaces a TypeInstType by its referrent in the environment, if applicable
34        Type* replaceTypeInst( Type* type, const TypeSubstitution* env );
35
36        /// returns polymorphic type if is polymorphic type, NULL otherwise; will look up substitution in env if provided
37        Type *isPolyType( Type *type, const TypeSubstitution *env = 0 );
38
39        /// returns polymorphic type if is polymorphic type in tyVars, NULL otherwise; will look up substitution in env if provided
40        Type *isPolyType( Type *type, const TyVarMap &tyVars, const TypeSubstitution *env = 0 );
41
42        /// returns dynamic-layout type if is dynamic-layout type in tyVars, NULL otherwise; will look up substitution in env if provided
43        ReferenceToType *isDynType( Type *type, const TyVarMap &tyVars, const TypeSubstitution *env = 0 );
44
45        /// true iff function has dynamic-layout return type under the given type variable map
46        ReferenceToType *isDynRet( FunctionType *function, const TyVarMap &tyVars );
47
48        /// true iff function has dynamic-layout return type under the type variable map generated from its forall-parameters
49        ReferenceToType *isDynRet( FunctionType *function );
50
51        /// A function needs an adapter if it returns a dynamic-layout value or if any of its parameters have dynamic-layout type
52        bool needsAdapter( FunctionType *adaptee, const TyVarMap &tyVarr );
53
54        /// returns polymorphic type if is pointer to polymorphic type, NULL otherwise; will look up substitution in env if provided
55        Type *isPolyPtr( Type *type, const TypeSubstitution *env = 0 );
56
57        /// returns polymorphic type if is pointer to polymorphic type in tyVars, NULL otherwise; will look up substitution in env if provided
58        Type *isPolyPtr( Type *type, const TyVarMap &tyVars, const TypeSubstitution *env = 0 );
59
60        /// if the base type (after dereferencing N >= 0 pointers) is a polymorphic type, 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, int *levels = 0, const TypeSubstitution *env = 0 );
63
64        /// if the base type (after dereferencing N >= 0 pointers) is a polymorphic type in tyVars, returns the base type, NULL otherwise;
65        /// N will be stored in levels, if provided, will look up substitution in env if provided
66        Type *hasPolyBase( Type *type, const TyVarMap &tyVars, int *levels = 0, const TypeSubstitution *env = 0 );
67
68        /// true iff this type or some base of this type after dereferencing pointers is either polymorphic or a generic type with at least one
69        /// polymorphic parameter; will look up substitution in env if provided.
70        bool includesPolyType( Type *type, const TypeSubstitution *env = 0 );
71
72        /// true iff this type or some base of this type after dereferencing pointers is either polymorphic in tyVars, or a generic type with
73        /// at least one polymorphic parameter in tyVars; will look up substitution in env if provided.
74        bool includesPolyType( Type *type, const TyVarMap &tyVars, const TypeSubstitution *env = 0 );
75
76        /// Returns a pointer to the base FunctionType if ty is the type of a function (or pointer to one), NULL otherwise
77        FunctionType *getFunctionType( Type *ty );
78
79        /// If expr (after dereferencing N >= 0 pointers) is a variable expression, returns the variable expression, NULL otherwise;
80        /// N will be stored in levels, if provided
81        VariableExpr *getBaseVar( Expression *expr, int *levels = 0 );
82
83        /// true iff types are structurally identical, where TypeInstType's match any type.
84        bool typesPolyCompatible( Type *aty, Type *bty );
85
86        /// Adds the type variable `tyVar` to `tyVarMap`
87        void addToTyVarMap( TypeDecl * tyVar, TyVarMap &tyVarMap );
88
89        /// Adds the declarations in the forall list of type (and its pointed-to type if it's a pointer type) to `tyVarMap`
90        void makeTyVarMap( Type *type, TyVarMap &tyVarMap );
91
92        /// Prints type variable map
93        void printTyVarMap( std::ostream &os, const TyVarMap &tyVarMap );
94
95        /// Gets the mangled name of this type; alias for SymTab::Mangler::mangleType().
96        inline std::string mangleType( Type *ty ) { return SymTab::Mangler::mangleType( ty ); }
97
98        /// Gets the name of the sizeof parameter for the type, given its mangled name
99        inline std::string sizeofName( const std::string &name ) { return std::string( "_sizeof_" ) + name; }
100
101        /// Gets the name of the alignof parameter for the type, given its mangled name
102        inline std::string alignofName( const std::string &name ) { return std::string( "_alignof_" ) + name; }
103
104        /// Gets the name of the offsetof parameter for the type, given its mangled name
105        inline std::string offsetofName( const std::string &name ) { return std::string( "_offsetof_" ) + name; }
106
107        /// Gets the name of the layout function for a given aggregate type, given its declaration
108        inline std::string layoutofName( AggregateDecl *decl ) { return std::string( "_layoutof_" ) + decl->get_name(); }
109
110} // namespace GenPoly
111
112// Local Variables: //
113// tab-width: 4 //
114// mode: c++ //
115// compile-command: "make install" //
116// End: //
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