source: src/ResolvExpr/ConversionCost.h @ 1d17939

arm-ehenumforall-pointer-decayjacob/cs343-translationnew-astnew-ast-unique-exprpthread-emulationqualifiedEnum
Last change on this file since 1d17939 was 1d17939, checked in by Andrew Beach <ajbeach@…>, 2 years ago

Implemented the recomented fix for #204, added at test that would have failed without it.

  • Property mode set to 100644
File size: 4.3 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// ConversionCost.h --
8//
9// Author           : Richard C. Bilson
10// Created On       : Sun May 17 09:37:28 2015
11// Last Modified By : Andrew Beach
12// Last Modified On : Wed Jul 29 16:12:00 2020
13// Update Count     : 7
14//
15
16#pragma once
17
18#include <functional>         // for function
19
20#include "Cost.h"             // for Cost
21
22#include "AST/Fwd.hpp"
23#include "AST/Pass.hpp"       // for WithShortCircuiting
24#include "Common/PassVisitor.h"
25#include "SynTree/Visitor.h"  // for Visitor
26#include "SynTree/SynTree.h"  // for Visitor Nodes
27
28namespace SymTab {
29        class Indexer;
30}  // namespace SymTab
31
32namespace ResolvExpr {
33        class TypeEnvironment;
34
35        typedef std::function<Cost(const Type *, const Type *, bool,
36                const SymTab::Indexer &, const TypeEnvironment &)> CostFunction;
37
38        struct ConversionCost : public WithShortCircuiting {
39          public:
40                ConversionCost( const Type * dest, bool srcIsLvalue,
41                        const SymTab::Indexer &indexer, const TypeEnvironment &env, CostFunction );
42
43                Cost get_cost() const { return cost; }
44
45                void previsit( const BaseSyntaxNode * ) { visit_children = false; }
46
47                void postvisit( const VoidType * voidType );
48                void postvisit( const BasicType * basicType );
49                void postvisit( const PointerType * pointerType );
50                void postvisit( const ArrayType * arrayType );
51                void postvisit( const ReferenceType * refType );
52                void postvisit( const FunctionType * functionType );
53                void postvisit( const EnumInstType * aggregateUseType );
54                void postvisit( const TraitInstType * aggregateUseType );
55                void postvisit( const TypeInstType * aggregateUseType );
56                void postvisit( const TupleType * tupleType );
57                void postvisit( const VarArgsType * varArgsType );
58                void postvisit( const ZeroType * zeroType );
59                void postvisit( const OneType * oneType );
60          protected:
61                const Type * dest;
62                bool srcIsLvalue;
63                const SymTab::Indexer &indexer;
64                Cost cost;
65                const TypeEnvironment &env;
66                CostFunction costFunc;
67        };
68
69        typedef std::function<int(const Type *, const Type *, const SymTab::Indexer &, const TypeEnvironment &)> PtrsFunction;
70        Cost convertToReferenceCost( const Type * src, const ReferenceType * dest, bool srcIsLvalue,
71                const SymTab::Indexer & indexer, const TypeEnvironment & env, PtrsFunction func );
72
73// Some function pointer types, differ in return type.
74using CostCalculation = std::function<Cost(const ast::Type *, const ast::Type *,
75        const ast::SymbolTable &, const ast::TypeEnvironment &)>;
76using NumCostCalculation = std::function<int(const ast::Type *, const ast::Type *,
77        const ast::SymbolTable &, const ast::TypeEnvironment &)>;
78
79#warning when the old ConversionCost is removed, get ride of the _new suffix.
80class ConversionCost_new : public ast::WithShortCircuiting {
81protected:
82        const ast::Type * dst;
83        const ast::SymbolTable & symtab;
84        const ast::TypeEnvironment & env;
85        CostCalculation costCalc;
86public:
87        Cost cost;
88
89        ConversionCost_new( const ast::Type * dst, const ast::SymbolTable & symtab,
90                        const ast::TypeEnvironment & env, CostCalculation costCalc ) :
91                dst( dst ), symtab( symtab ), env( env ), costCalc( costCalc ), cost( Cost::infinity )
92        {}
93
94        void previsit( const ast::Node * ) { visit_children = false; }
95
96        void postvisit( const ast::VoidType * voidType );
97        void postvisit( const ast::BasicType * basicType );
98        void postvisit( const ast::PointerType * pointerType );
99        void postvisit( const ast::ArrayType * arrayType );
100        void postvisit( const ast::ReferenceType * refType );
101        void postvisit( const ast::FunctionType * functionType );
102        void postvisit( const ast::EnumInstType * enumInstType );
103        void postvisit( const ast::TraitInstType * traitInstType );
104        void postvisit( const ast::TypeInstType * typeInstType );
105        void postvisit( const ast::TupleType * tupleType );
106        void postvisit( const ast::VarArgsType * varArgsType );
107        void postvisit( const ast::ZeroType * zeroType );
108        void postvisit( const ast::OneType * oneType );
109};
110
111Cost convertToReferenceCost( const ast::Type * src, const ast::ReferenceType * dest,
112        const ast::SymbolTable & indexer, const ast::TypeEnvironment & env, NumCostCalculation func );
113
114} // namespace ResolvExpr
115
116// Local Variables: //
117// tab-width: 4 //
118// mode: c++ //
119// compile-command: "make install" //
120// End: //
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