| 1 | //
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
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| 3 | //
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| 4 | // The contents of this file are covered under the licence agreement in the
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| 5 | // file "LICENCE" distributed with Cforall.
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| 6 | //
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| 7 | // CurrentObject.hpp --
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| 8 | //
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| 9 | // Author           : Rob Schluntz
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| 10 | // Created On       : Thu Jun  8 11:07:25 2017
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| 11 | // Last Modified By : Andrew Beach
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| 12 | // Last Modified On : Thu Apr  6 16:14:00 2023
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| 13 | // Update Count     : 4
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| 14 | //
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| 15 | 
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| 16 | #pragma once
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| 17 | 
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| 18 | #include <deque>
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| 19 | #include <memory> // for unique_ptr
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| 20 | #include <vector>
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| 21 | 
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| 22 | #include "AST/Node.hpp"  // for ptr
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| 23 | #include "Common/CodeLocation.hpp"
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| 24 | 
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| 25 | namespace ast {
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| 26 | 
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| 27 | // AST class types:
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| 28 | class Designation;
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| 29 | class Type;
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| 30 | struct InitAlternative;
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| 31 | 
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| 32 | /// Iterates members of a type by initializer
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| 33 | class MemberIterator;
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| 34 | 
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| 35 | /// Builds initializer lists in resolution
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| 36 | class CurrentObject final {
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| 37 |         std::vector<std::shared_ptr<MemberIterator>> objStack;
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| 38 | 
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| 39 | public:
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| 40 |         CurrentObject() = default;
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| 41 |         CurrentObject( const CodeLocation & loc, const Type * type );
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| 42 | 
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| 43 |         /// Resolves unresolved designation.
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| 44 |         const Designation * findNext( const Designation * designation );
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| 45 |         /// Sets current position using the resolved designation.
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| 46 |         void setNext( const Designation * designation );
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| 47 |         /// Steps to next sub-object of current object.
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| 48 |         void increment();
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| 49 |         /// Sets new current object for the duration of this brace-enclosed intializer-list.
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| 50 |         void enterListInit( const CodeLocation & loc );
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| 51 |         /// Restores previous current object.
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| 52 |         void exitListInit();
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| 53 |         /// Produces a list of alternatives (Type *, Designation *)
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| 54 |         /// for the current sub-object's initializer.
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| 55 |         std::deque< InitAlternative > getOptions();
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| 56 |         /// Produces the type of the current object but no subobjects.
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| 57 |         const Type * getCurrentType();
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| 58 | };
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| 59 | 
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| 60 | } // namespace ast
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| 61 | 
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| 62 | // Local Variables: //
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| 63 | // tab-width: 4 //
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| 64 | // mode: c++ //
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| 65 | // compile-command: "make install" //
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| 66 | // End: //
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| 67 | 
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