source: src/InitTweak/InitTweak.h@ 696bf6e

ADT aaron-thesis arm-eh ast-experimental cleanup-dtors deferred_resn demangler enum forall-pointer-decay jacob/cs343-translation jenkins-sandbox new-ast new-ast-unique-expr new-env no_list persistent-indexer pthread-emulation qualifiedEnum resolv-new with_gc
Last change on this file since 696bf6e was 29bc63e, checked in by Rob Schluntz <rschlunt@…>, 8 years ago

Add isConstructable helper to InitTweak

  • Property mode set to 100644
File size: 4.2 KB
RevLine 
[2b46a13]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
[6b0b624]11// Last Modified By : Peter A. Buhr
12// Last Modified On : Sat Jul 22 09:30:33 2017
13// Update Count : 4
[2b46a13]14//
15
[6b0b624]16#pragma once
[2b46a13]17
[d180746]18#include <list> // for list
[be9288a]19#include <memory> // for shared_ptr
[d180746]20#include <string> // for string, allocator
[2b46a13]21
[d180746]22#include "SynTree/SynTree.h" // for Visitor Nodes
[2b46a13]23
24// helper functions for initialization
25namespace InitTweak {
[207c7e1d]26 FunctionDecl * isAssignment( Declaration * decl );
27 FunctionDecl * isDestructor( Declaration * decl );
28 FunctionDecl * isDefaultConstructor( Declaration * decl );
[4d4882a]29 FunctionDecl * isCopyConstructor( Declaration * decl );
[ee1635c8]30 FunctionDecl * isCopyFunction( Declaration * decl, const std::string & fname );
[4d4882a]31
[b81adcc4]32 /// transform Initializer into an argument list that can be passed to a call expression
33 std::list< Expression * > makeInitList( Initializer * init );
[2b46a13]34
[22bc276]35 /// True if the resolver should try to construct dwt
36 bool tryConstruct( DeclarationWithType * dwt );
[2b46a13]37
[29bc63e]38 /// True if the type can have a user-defined constructor
39 bool isConstructable( Type * t );
40
[b81adcc4]41 /// True if the Initializer contains designations
42 bool isDesignated( Initializer * init );
[2b46a13]43
[dcd73d1]44 /// True if the ObjectDecl's Initializer nesting level is not deeper than the depth of its
45 /// type, where the depth of its type is the number of nested ArrayTypes + 1
46 bool checkInitDepth( ObjectDecl * objDecl );
47
[b7b8674]48 /// returns the declaration of the function called by the expr (must be ApplicationExpr or UntypedExpr)
49 DeclarationWithType * getFunction( Expression * expr );
50
51 /// Non-Null if expr is a call expression whose target function is intrinsic
52 ApplicationExpr * isIntrinsicCallExpr( Expression * expr );
[aedfd91]53
[b81adcc4]54 /// True if stmt is a call statement where the function called is intrinsic and takes one parameter.
55 /// Intended to be used for default ctor/dtor calls, but might have use elsewhere.
56 /// Currently has assertions that make it less than fully general.
[a465caff]57 bool isIntrinsicSingleArgCallStmt( Statement * stmt );
58
59 /// True if stmt is a call statement where the function called is intrinsic.
60 bool isIntrinsicCallStmt( Statement * stmt );
[70f89d00]61
[4d2434a]62 /// get all Ctor/Dtor call expressions from a Statement
63 void collectCtorDtorCalls( Statement * stmt, std::list< Expression * > & matches );
64
[b81adcc4]65 /// get the Ctor/Dtor call expression from a Statement that looks like a generated ctor/dtor call
66 Expression * getCtorDtorCall( Statement * stmt );
[f1b1e4c]67
[b81adcc4]68 /// returns the name of the function being called
69 std::string getFunctionName( Expression * expr );
[f1b1e4c]70
[b81adcc4]71 /// returns the argument to a call expression in position N indexed from 0
72 Expression *& getCallArg( Expression * callExpr, unsigned int pos );
[10a7775]73
[b81adcc4]74 /// returns the base type of a PointerType or ArrayType, else returns NULL
75 Type * getPointerBase( Type * );
[64071c2]76
[b81adcc4]77 /// returns the argument if it is a PointerType or ArrayType, else returns NULL
78 Type * isPointerType( Type * );
[5f98ce5]79
[b81adcc4]80 /// returns true if expr is trivially a compile-time constant
81 bool isConstExpr( Expression * expr );
82 bool isConstExpr( Initializer * init );
[39f84a4]83
84 class InitExpander {
85 public:
86 // expand by stepping through init to get each list of arguments
87 InitExpander( Initializer * init );
88
89 // always expand to expr
90 InitExpander( Expression * expr );
91
92 // iterator-like interface
93 std::list< Expression * > operator*();
94 InitExpander & operator++();
95
96 // builds statement which has the same semantics as a C-style list initializer
97 // (for array initializers) using callExpr as the base expression to perform initialization
98 Statement * buildListInit( UntypedExpr * callExpr );
99 void addArrayIndex( Expression * index, Expression * dimension );
[4d2434a]100 void clearArrayIndices();
[39f84a4]101
102 class ExpanderImpl;
[d180746]103
[62e5546]104 typedef std::list< Expression * > IndexList;
[39f84a4]105 private:
106 std::shared_ptr< ExpanderImpl > expander;
107 std::list< Expression * > cur;
108
109 // invariant: list of size 2N (elements come in pairs [index, dimension])
110 IndexList indices;
111 };
[2b46a13]112} // namespace
113
114// Local Variables: //
115// tab-width: 4 //
116// mode: c++ //
117// compile-command: "make install" //
118// End: //
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