source: src/InitTweak/InitTweak.h @ 8135d4c

aaron-thesisarm-ehcleanup-dtorsdeferred_resndemanglerjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprnew-envno_listpersistent-indexerresolv-newwith_gc
Last change on this file since 8135d4c was 8135d4c, checked in by Rob Schluntz <rschlunt@…>, 4 years ago

Merge branch 'master' into references

  • Property mode set to 100644
File size: 4.1 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 : Peter A. Buhr
12// Last Modified On : Sat Jul 22 09:30:33 2017
13// Update Count     : 4
14//
15
16#pragma once
17
18#include <list>               // for list
19#include <memory>             // for shared_ptr
20#include <string>             // for string, allocator
21
22#include "SynTree/SynTree.h"  // for Visitor Nodes
23
24// helper functions for initialization
25namespace InitTweak {
26        FunctionDecl * isAssignment( Declaration * decl );
27        FunctionDecl * isDestructor( Declaration * decl );
28        FunctionDecl * isDefaultConstructor( Declaration * decl );
29        FunctionDecl * isCopyConstructor( Declaration * decl );
30        FunctionDecl * isCopyFunction( Declaration * decl, const std::string & fname );
31
32        /// transform Initializer into an argument list that can be passed to a call expression
33        std::list< Expression * > makeInitList( Initializer * init );
34
35        /// True if the resolver should try to construct objDecl
36        bool tryConstruct( ObjectDecl * objDecl );
37
38        /// True if the Initializer contains designations
39        bool isDesignated( Initializer * init );
40
41        /// True if the ObjectDecl's Initializer nesting level is not deeper than the depth of its
42        /// type, where the depth of its type is the number of nested ArrayTypes + 1
43        bool checkInitDepth( ObjectDecl * objDecl );
44
45        /// returns the declaration of the function called by the expr (must be ApplicationExpr or UntypedExpr)
46        DeclarationWithType * getFunction( Expression * expr );
47
48        /// Non-Null if expr is a call expression whose target function is intrinsic
49        ApplicationExpr * isIntrinsicCallExpr( Expression * expr );
50
51        /// True if stmt is a call statement where the function called is intrinsic and takes one parameter.
52        /// Intended to be used for default ctor/dtor calls, but might have use elsewhere.
53        /// Currently has assertions that make it less than fully general.
54        bool isIntrinsicSingleArgCallStmt( Statement * stmt );
55
56        /// True if stmt is a call statement where the function called is intrinsic.
57        bool isIntrinsicCallStmt( Statement * stmt );
58
59        /// get all Ctor/Dtor call expressions from a Statement
60        void collectCtorDtorCalls( Statement * stmt, std::list< Expression * > & matches );
61
62        /// get the Ctor/Dtor call expression from a Statement that looks like a generated ctor/dtor call
63        Expression * getCtorDtorCall( Statement * stmt );
64
65        /// returns the name of the function being called
66        std::string getFunctionName( Expression * expr );
67
68        /// returns the argument to a call expression in position N indexed from 0
69        Expression *& getCallArg( Expression * callExpr, unsigned int pos );
70
71        /// returns the base type of a PointerType or ArrayType, else returns NULL
72        Type * getPointerBase( Type * );
73
74        /// returns the argument if it is a PointerType or ArrayType, else returns NULL
75        Type * isPointerType( Type * );
76
77        /// returns true if expr is trivially a compile-time constant
78        bool isConstExpr( Expression * expr );
79        bool isConstExpr( Initializer * init );
80
81        class InitExpander {
82        public:
83                // expand by stepping through init to get each list of arguments
84                InitExpander( Initializer * init );
85
86                // always expand to expr
87                InitExpander( Expression * expr );
88
89                // iterator-like interface
90                std::list< Expression * > operator*();
91                InitExpander & operator++();
92
93                // builds statement which has the same semantics as a C-style list initializer
94                // (for array initializers) using callExpr as the base expression to perform initialization
95                Statement * buildListInit( UntypedExpr * callExpr );
96                void addArrayIndex( Expression * index, Expression * dimension );
97                void clearArrayIndices();
98
99                class ExpanderImpl;
100
101                typedef std::list< Expression * > IndexList;
102        private:
103                std::shared_ptr< ExpanderImpl > expander;
104                std::list< Expression * > cur;
105
106                // invariant: list of size 2N (elements come in pairs [index, dimension])
107                IndexList indices;
108        };
109} // namespace
110
111// Local Variables: //
112// tab-width: 4 //
113// mode: c++ //
114// compile-command: "make install" //
115// End: //
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