source: src/InitTweak/InitTweak.h @ 207c7e1d

aaron-thesisarm-ehcleanup-dtorsdeferred_resndemanglerjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprnew-envno_listpersistent-indexerresolv-newwith_gc
Last change on this file since 207c7e1d was 207c7e1d, checked in by Rob Schluntz <rschlunt@…>, 5 years ago

disable autogeneration of ctor/dtor/assign when a member's corresponding operation is missing

  • Property mode set to 100644
File size: 4.2 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// RemoveInit.h --
8//
9// Author           : Rob Schluntz
10// Created On       : Fri May 13 11:26:36 2016
11// Last Modified By : Rob Schluntz
12// Last Modified On : Fri May 13 11:35:36 2016
13// Update Count     : 3
14//
15
16#ifndef INIT_TWEAK_H
17#define INIT_TWEAK_H
18
19#include <string>
20#include <list>
21
22#include "SynTree/SynTree.h"
23#include "SynTree/Declaration.h"
24#include "SynTree/Mutator.h"
25
26// helper functions for initialization
27namespace InitTweak {
28        bool isConstructor( const std::string & );
29        bool isDestructor( const std::string & );
30        bool isAssignment( const std::string & );
31        bool isCtorDtor( const std::string & );
32        bool isCtorDtorAssign( const std::string & );
33
34        FunctionDecl * isAssignment( Declaration * decl );
35        FunctionDecl * isDestructor( Declaration * decl );
36        FunctionDecl * isDefaultConstructor( Declaration * decl );
37        FunctionDecl * isCopyConstructor( Declaration * decl );
38        FunctionDecl * isCopyFunction( Declaration * decl, const std::string & fname );
39
40        /// transform Initializer into an argument list that can be passed to a call expression
41        std::list< Expression * > makeInitList( Initializer * init );
42
43        /// True if the resolver should try to construct objDecl
44        bool tryConstruct( ObjectDecl * objDecl );
45
46        /// True if the Initializer contains designations
47        bool isDesignated( Initializer * init );
48
49        /// True if the ObjectDecl's Initializer nesting level is not deeper than the depth of its
50        /// type, where the depth of its type is the number of nested ArrayTypes + 1
51        bool checkInitDepth( ObjectDecl * objDecl );
52
53  /// Non-Null if expr is a call expression whose target function is intrinsic
54  ApplicationExpr * isIntrinsicCallExpr( Expression * expr );
55
56        /// True if stmt is a call statement where the function called is intrinsic and takes one parameter.
57        /// Intended to be used for default ctor/dtor calls, but might have use elsewhere.
58        /// Currently has assertions that make it less than fully general.
59        bool isIntrinsicSingleArgCallStmt( Statement * stmt );
60
61        /// True if stmt is a call statement where the function called is intrinsic.
62        bool isIntrinsicCallStmt( Statement * stmt );
63
64        /// get all Ctor/Dtor call expressions from a Statement
65        void collectCtorDtorCalls( Statement * stmt, std::list< Expression * > & matches );
66
67        /// get the Ctor/Dtor call expression from a Statement that looks like a generated ctor/dtor call
68        Expression * getCtorDtorCall( Statement * stmt );
69
70        /// returns the name of the function being called
71        std::string getFunctionName( Expression * expr );
72
73        /// returns the argument to a call expression in position N indexed from 0
74        Expression *& getCallArg( Expression * callExpr, unsigned int pos );
75
76        /// returns the base type of a PointerType or ArrayType, else returns NULL
77        Type * getPointerBase( Type * );
78
79        /// returns the argument if it is a PointerType or ArrayType, else returns NULL
80        Type * isPointerType( Type * );
81
82        /// returns true if expr is trivially a compile-time constant
83        bool isConstExpr( Expression * expr );
84        bool isConstExpr( Initializer * init );
85
86        class InitExpander {
87        public:
88                // expand by stepping through init to get each list of arguments
89                InitExpander( Initializer * init );
90
91                // always expand to expr
92                InitExpander( Expression * expr );
93
94                // iterator-like interface
95                std::list< Expression * > operator*();
96                InitExpander & operator++();
97
98                // builds statement which has the same semantics as a C-style list initializer
99                // (for array initializers) using callExpr as the base expression to perform initialization
100                Statement * buildListInit( UntypedExpr * callExpr );
101                void addArrayIndex( Expression * index, Expression * dimension );
102                void clearArrayIndices();
103
104                class ExpanderImpl;
105                typedef std::list< Expression * > IndexList;
106        private:
107                std::shared_ptr< ExpanderImpl > expander;
108                std::list< Expression * > cur;
109
110                // invariant: list of size 2N (elements come in pairs [index, dimension])
111                IndexList indices;
112        };
113} // namespace
114
115#endif // INITTWEAK_GENINIT_H
116
117// Local Variables: //
118// tab-width: 4 //
119// mode: c++ //
120// compile-command: "make install" //
121// End: //
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