source: src/GenPoly/GenPoly.h @ 33a7b6d

ADTaaron-thesisarm-ehast-experimentalcleanup-dtorsdeferred_resndemanglerenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprnew-envno_listpersistent-indexerpthread-emulationqualifiedEnumresolv-newwith_gc
Last change on this file since 33a7b6d was 33a7b6d, checked in by Rob Schluntz <rschlunt@…>, 7 years ago

changed use of formal types to actual types for boxing return parameters and passing type variables, fix bug where generic struct's members would change types when a member is accessed on a concrete instantiation

  • Property mode set to 100644
File size: 4.8 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// 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        /// Replaces a TypeInstType by its referrent in the environment, if applicable
35        Type* replaceTypeInst( Type* type, const TypeSubstitution* env );
36
37        /// returns polymorphic type if is polymorphic type, NULL otherwise; will look up substitution in env if provided
38        Type *isPolyType( Type *type, const TypeSubstitution *env = 0 );
39
40        /// returns polymorphic type if is polymorphic type in tyVars, NULL otherwise; will look up substitution in env if provided
41        Type *isPolyType( Type *type, const TyVarMap &tyVars, const TypeSubstitution *env = 0 );
42
43        /// returns dynamic-layout type if is dynamic-layout type in tyVars, NULL otherwise; will look up substitution in env if provided
44        ReferenceToType *isDynType( Type *type, const TyVarMap &tyVars, const TypeSubstitution *env = 0 );
45
46        /// true iff function has dynamic-layout return type under the given type variable map
47        ReferenceToType *isDynRet( FunctionType *function, const TyVarMap &tyVars );
48
49        /// true iff function has dynamic-layout return type under the type variable map generated from its forall-parameters
50        ReferenceToType *isDynRet( FunctionType *function );
51
52        /// A function needs an adapter if it returns a dynamic-layout value or if any of its parameters have dynamic-layout type
53        bool needsAdapter( FunctionType *adaptee, const TyVarMap &tyVarr );
54
55        /// returns polymorphic type if is pointer to polymorphic type, NULL otherwise; will look up substitution in env if provided
56        Type *isPolyPtr( Type *type, const TypeSubstitution *env = 0 );
57
58        /// returns polymorphic type if is pointer to polymorphic type in tyVars, NULL otherwise; will look up substitution in env if provided
59        Type *isPolyPtr( Type *type, const TyVarMap &tyVars, const TypeSubstitution *env = 0 );
60
61        /// if the base type (after dereferencing N >= 0 pointers) is a polymorphic type, returns the base type, NULL otherwise;
62        /// N will be stored in levels, if provided, will look up substitution in env if provided
63        Type *hasPolyBase( Type *type, int *levels = 0, const TypeSubstitution *env = 0 );
64
65        /// if the base type (after dereferencing N >= 0 pointers) is a polymorphic type in tyVars, returns the base type, NULL otherwise;
66        /// N will be stored in levels, if provided, will look up substitution in env if provided
67        Type *hasPolyBase( Type *type, const TyVarMap &tyVars, int *levels = 0, const TypeSubstitution *env = 0 );
68
69        /// Returns a pointer to the base FunctionType if ty is the type of a function (or pointer to one), NULL otherwise
70        FunctionType *getFunctionType( Type *ty );
71
72        /// If expr (after dereferencing N >= 0 pointers) is a variable expression, returns the variable expression, NULL otherwise;
73        /// N will be stored in levels, if provided
74        VariableExpr *getBaseVar( Expression *expr, int *levels = 0 );
75
76        /// Adds the declarations in the forall list of type (and its pointed-to type if it's a pointer type) to `tyVarMap`
77        void makeTyVarMap( Type *type, TyVarMap &tyVarMap );
78
79        /// Prints type variable map
80        void printTyVarMap( std::ostream &os, const TyVarMap &tyVarMap );
81
82        /// Gets the mangled name of this type; alias for SymTab::Mangler::mangleType().
83        inline std::string mangleType( Type *ty ) { return SymTab::Mangler::mangleType( ty ); }
84
85        /// Gets the name of the sizeof parameter for the type, given its mangled name
86        inline std::string sizeofName( const std::string &name ) { return std::string( "_sizeof_" ) + name; }
87
88        /// Gets the name of the alignof parameter for the type, given its mangled name
89        inline std::string alignofName( const std::string &name ) { return std::string( "_alignof_" ) + name; }
90
91        /// Gets the name of the offsetof parameter for the type, given its mangled name
92        inline std::string offsetofName( const std::string &name ) { return std::string( "_offsetof_" ) + name; }
93
94        /// Gets the name of the layout function for a given aggregate type, given its declaration
95        inline std::string layoutofName( AggregateDecl *decl ) { return std::string( "_layoutof_" ) + decl->get_name(); }
96
97} // namespace GenPoly
98
99#endif // GENPOLY_H
100
101// Local Variables: //
102// tab-width: 4 //
103// mode: c++ //
104// compile-command: "make install" //
105// End: //
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