source: src/ResolvExpr/CandidateFinder.hpp @ e5c3811

ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
Last change on this file since e5c3811 was e5c3811, checked in by Fangren Yu <f37yu@…>, 4 years ago

create dedicated symbol tables for big 3 operators
note: arbitrary this param type is not supported; it is currently allowed although never used

  • Property mode set to 100644
File size: 2.2 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// CandidateFinder.hpp --
8//
9// Author           : Aaron B. Moss
10// Created On       : Wed Jun 5 14:30:00 2019
11// Last Modified By : Andrew Beach
12// Last Modified On : Tue Oct  1  9:51:00 2019
13// Update Count     : 2
14//
15
16#pragma once
17
18#include "Candidate.hpp"
19#include "ResolvMode.h"
20#include "AST/Fwd.hpp"
21#include "AST/Node.hpp"
22#include "AST/SymbolTable.hpp"
23#include "AST/TypeEnvironment.hpp"
24
25namespace ResolvExpr {
26
27/// Data to perform expression resolution
28struct CandidateFinder {
29        CandidateList candidates;          ///< List of candidate resolutions
30        const ast::SymbolTable & localSyms;   ///< Symbol table to lookup candidates
31        const ast::TypeEnvironment & env;  ///< Substitutions performed in this resolution
32        ast::ptr< ast::Type > targetType;  ///< Target type for resolution
33        std::set< std::string > otypeKeys;  /// different type may map to same key
34
35        CandidateFinder(
36                const ast::SymbolTable & syms, const ast::TypeEnvironment & env,
37                const ast::Type * tt = nullptr )
38        : candidates(), localSyms( syms ), env( env ), targetType( tt ) {}
39
40        /// Fill candidates with feasible resolutions for `expr`
41        void find( const ast::Expr * expr, ResolvMode mode = {} );
42
43        /// Runs new candidate finder on each element in xs, returning the list of finders
44        std::vector< CandidateFinder > findSubExprs( const std::vector< ast::ptr< ast::Expr > > & xs );
45
46        using value_type = CandidateList::value_type;
47        using iterator = CandidateList::iterator;
48        using const_iterator = CandidateList::const_iterator;
49
50        iterator begin() { return candidates.begin(); }
51        const_iterator begin() const { return candidates.begin(); }
52
53        iterator end() { return candidates.end(); }
54        const_iterator end() const { return candidates.end(); }
55};
56
57/// Computes conversion cost between two types
58Cost computeConversionCost(
59        const ast::Type * argType, const ast::Type * paramType, bool argIsLvalue,
60        const ast::SymbolTable & symtab, const ast::TypeEnvironment & env );
61
62} // namespace ResolvExpr
63
64// Local Variables: //
65// tab-width: 4 //
66// mode: c++ //
67// compile-command: "make install" //
68// End: //
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