source: src/InitTweak/InitTweak.h @ d7aa12c

arm-ehcleanup-dtorsjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-expr
Last change on this file since d7aa12c was d7aa12c, checked in by Thierry Delisle <tdelisle@…>, 3 years ago

Implemented eval for new AST

  • Property mode set to 100644
File size: 4.9 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 "AST/Fwd.hpp"        // for AST nodes
23#include "SynTree/SynTree.h"  // for Visitor Nodes
24
25// helper functions for initialization
26namespace InitTweak {
27        FunctionDecl * isAssignment( Declaration * decl );
28        FunctionDecl * isDestructor( Declaration * decl );
29        FunctionDecl * isDefaultConstructor( Declaration * decl );
30        FunctionDecl * isCopyConstructor( Declaration * decl );
31        FunctionDecl * isCopyFunction( Declaration * decl, const std::string & fname );
32
33        /// returns the base type of the first parameter to a constructor/destructor/assignment function
34        Type * getTypeofThis( FunctionType * ftype );
35
36        /// returns the first parameter of a constructor/destructor/assignment function
37        ObjectDecl * getParamThis( FunctionType * ftype );
38
39        /// generate a bitwise assignment operation.
40        ApplicationExpr * createBitwiseAssignment( Expression * dst, Expression * src );
41
42        /// transform Initializer into an argument list that can be passed to a call expression
43        std::list< Expression * > makeInitList( Initializer * init );
44
45        /// True if the resolver should try to construct dwt
46        bool tryConstruct( DeclarationWithType * dwt );
47
48        /// True if the type can have a user-defined constructor
49        bool isConstructable( Type * t );
50
51        /// True if the Initializer contains designations
52        bool isDesignated( Initializer * init );
53
54        /// True if the ObjectDecl's Initializer nesting level is not deeper than the depth of its
55        /// type, where the depth of its type is the number of nested ArrayTypes + 1
56        bool checkInitDepth( ObjectDecl * objDecl );
57
58        /// returns the declaration of the function called by the expr (must be ApplicationExpr or UntypedExpr)
59        DeclarationWithType * getFunction( Expression * expr );
60        const ast::DeclWithType * getFunction( const ast::Expr * expr );
61
62        /// Non-Null if expr is a call expression whose target function is intrinsic
63        ApplicationExpr * isIntrinsicCallExpr( Expression * expr );
64
65        /// True if stmt is a call statement where the function called is intrinsic and takes one parameter.
66        /// Intended to be used for default ctor/dtor calls, but might have use elsewhere.
67        /// Currently has assertions that make it less than fully general.
68        bool isIntrinsicSingleArgCallStmt( Statement * stmt );
69
70        /// True if stmt is a call statement where the function called is intrinsic.
71        bool isIntrinsicCallStmt( Statement * stmt );
72
73        /// get all Ctor/Dtor call expressions from a Statement
74        void collectCtorDtorCalls( Statement * stmt, std::list< Expression * > & matches );
75
76        /// get the Ctor/Dtor call expression from a Statement that looks like a generated ctor/dtor call
77        Expression * getCtorDtorCall( Statement * stmt );
78
79        /// returns the name of the function being called
80        std::string getFunctionName( Expression * expr );
81        std::string getFunctionName( const ast::Expr * expr );
82
83        /// returns the argument to a call expression in position N indexed from 0
84        Expression *& getCallArg( Expression * callExpr, unsigned int pos );
85        const ast::Expr * getCallArg( const ast::Expr * call, unsigned pos );
86
87        /// returns the base type of a PointerType or ArrayType, else returns NULL
88        Type * getPointerBase( Type * );
89        const ast::Type* getPointerBase( const ast::Type* );
90
91        /// returns the argument if it is a PointerType or ArrayType, else returns NULL
92        Type * isPointerType( Type * );
93
94        /// returns true if expr is trivially a compile-time constant
95        bool isConstExpr( Expression * expr );
96        bool isConstExpr( Initializer * init );
97
98        class InitExpander {
99        public:
100                // expand by stepping through init to get each list of arguments
101                InitExpander( Initializer * init );
102
103                // always expand to expr
104                InitExpander( Expression * expr );
105
106                // iterator-like interface
107                std::list< Expression * > operator*();
108                InitExpander & operator++();
109
110                // builds statement which has the same semantics as a C-style list initializer
111                // (for array initializers) using callExpr as the base expression to perform initialization
112                Statement * buildListInit( UntypedExpr * callExpr );
113                void addArrayIndex( Expression * index, Expression * dimension );
114                void clearArrayIndices();
115                bool addReference();
116
117                class ExpanderImpl;
118
119                typedef std::list< Expression * > IndexList;
120        private:
121                std::shared_ptr< ExpanderImpl > expander;
122                std::list< Expression * > cur;
123
124                // invariant: list of size 2N (elements come in pairs [index, dimension])
125                IndexList indices;
126        };
127} // namespace
128
129// Local Variables: //
130// tab-width: 4 //
131// mode: c++ //
132// compile-command: "make install" //
133// End: //
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