source: src/InitTweak/InitTweak.h @ dcd73d1

ADTaaron-thesisarm-ehast-experimentalcleanup-dtorsctordeferred_resndemanglerenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprnew-envno_listpersistent-indexerpthread-emulationqualifiedEnumresolv-newwith_gc
Last change on this file since dcd73d1 was dcd73d1, checked in by Rob Schluntz <rschlunt@…>, 8 years ago

add error checking for managed object's initializer depth

  • Property mode set to 100644
File size: 3.8 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 isCtorDtor( const std::string & );
31
32        FunctionDecl * isCopyConstructor( Declaration * decl );
33
34        /// transform Initializer into an argument list that can be passed to a call expression
35        std::list< Expression * > makeInitList( Initializer * init );
36
37        /// True if the resolver should try to construct objDecl
38        bool tryConstruct( ObjectDecl * objDecl );
39
40        /// True if the Initializer contains designations
41        bool isDesignated( Initializer * init );
42
43        /// True if the ObjectDecl's Initializer nesting level is not deeper than the depth of its
44        /// type, where the depth of its type is the number of nested ArrayTypes + 1
45        bool checkInitDepth( ObjectDecl * objDecl );
46
47  /// Non-Null if expr is a call expression whose target function is intrinsic
48  ApplicationExpr * isIntrinsicCallExpr( Expression * expr );
49
50        /// True if stmt is a call statement where the function called is intrinsic and takes one parameter.
51        /// Intended to be used for default ctor/dtor calls, but might have use elsewhere.
52        /// Currently has assertions that make it less than fully general.
53        bool isIntrinsicSingleArgCallStmt( Statement * stmt );
54
55        /// True if stmt is a call statement where the function called is intrinsic.
56        bool isIntrinsicCallStmt( Statement * stmt );
57
58        /// get all Ctor/Dtor call expressions from a Statement
59        void collectCtorDtorCalls( Statement * stmt, std::list< Expression * > & matches );
60
61        /// get the Ctor/Dtor call expression from a Statement that looks like a generated ctor/dtor call
62        Expression * getCtorDtorCall( Statement * stmt );
63
64        /// returns the name of the function being called
65        std::string getFunctionName( Expression * expr );
66
67        /// returns the argument to a call expression in position N indexed from 0
68        Expression *& getCallArg( Expression * callExpr, unsigned int pos );
69
70        /// returns the base type of a PointerType or ArrayType, else returns NULL
71        Type * getPointerBase( Type * );
72
73        /// returns the argument if it is a PointerType or ArrayType, else returns NULL
74        Type * isPointerType( Type * );
75
76        /// returns true if expr is trivially a compile-time constant
77        bool isConstExpr( Expression * expr );
78        bool isConstExpr( Initializer * init );
79
80        class InitExpander {
81        public:
82                // expand by stepping through init to get each list of arguments
83                InitExpander( Initializer * init );
84
85                // always expand to expr
86                InitExpander( Expression * expr );
87
88                // iterator-like interface
89                std::list< Expression * > operator*();
90                InitExpander & operator++();
91
92                // builds statement which has the same semantics as a C-style list initializer
93                // (for array initializers) using callExpr as the base expression to perform initialization
94                Statement * buildListInit( UntypedExpr * callExpr );
95                void addArrayIndex( Expression * index, Expression * dimension );
96                void clearArrayIndices();
97
98                class ExpanderImpl;
99        private:
100                std::shared_ptr< ExpanderImpl > expander;
101                std::list< Expression * > cur;
102
103                // invariant: list of size 2N (elements come in pairs [index, dimension])
104                typedef std::list< Expression * > IndexList;
105                IndexList indices;
106        };
107} // namespace
108
109#endif // INITTWEAK_GENINIT_H
110
111// Local Variables: //
112// tab-width: 4 //
113// mode: c++ //
114// compile-command: "make install" //
115// End: //
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