[2b46a13] | 1 | // |
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo |
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| 3 | // |
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| 4 | // The contents of this file are covered under the licence agreement in the |
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| 5 | // file "LICENCE" distributed with Cforall. |
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| 6 | // |
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| 7 | // RemoveInit.h -- |
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| 8 | // |
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| 9 | // Author : Rob Schluntz |
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| 10 | // Created On : Fri May 13 11:26:36 2016 |
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[6b0b624] | 11 | // Last Modified By : Peter A. Buhr |
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| 12 | // Last Modified On : Sat Jul 22 09:30:33 2017 |
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| 13 | // Update Count : 4 |
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[2b46a13] | 14 | // |
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| 15 | |
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[6b0b624] | 16 | #pragma once |
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[2b46a13] | 17 | |
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[d180746] | 18 | #include <list> // for list |
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[be9288a] | 19 | #include <memory> // for shared_ptr |
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[d180746] | 20 | #include <string> // for string, allocator |
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[2b46a13] | 21 | |
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[9e1d485] | 22 | #include "AST/Fwd.hpp" // for AST nodes |
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[d180746] | 23 | #include "SynTree/SynTree.h" // for Visitor Nodes |
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[2b46a13] | 24 | |
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| 25 | // helper functions for initialization |
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| 26 | namespace InitTweak { |
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[207c7e1d] | 27 | FunctionDecl * isAssignment( Declaration * decl ); |
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| 28 | FunctionDecl * isDestructor( Declaration * decl ); |
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| 29 | FunctionDecl * isDefaultConstructor( Declaration * decl ); |
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[4d4882a] | 30 | FunctionDecl * isCopyConstructor( Declaration * decl ); |
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[ee1635c8] | 31 | FunctionDecl * isCopyFunction( Declaration * decl, const std::string & fname ); |
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[d76c588] | 32 | bool isCopyFunction( const ast::FunctionDecl * decl ); |
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[4d4882a] | 33 | |
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[7fc7cdb] | 34 | /// returns the base type of the first parameter to a constructor/destructor/assignment function |
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[549c006] | 35 | Type * getTypeofThis( FunctionType * ftype ); |
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[7fc7cdb] | 36 | |
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| 37 | /// returns the first parameter of a constructor/destructor/assignment function |
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[549c006] | 38 | ObjectDecl * getParamThis( FunctionType * ftype ); |
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[7fc7cdb] | 39 | |
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[f5c3b6c] | 40 | /// generate a bitwise assignment operation. |
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| 41 | ApplicationExpr * createBitwiseAssignment( Expression * dst, Expression * src ); |
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| 42 | |
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[b81adcc4] | 43 | /// transform Initializer into an argument list that can be passed to a call expression |
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| 44 | std::list< Expression * > makeInitList( Initializer * init ); |
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[2b46a13] | 45 | |
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[22bc276] | 46 | /// True if the resolver should try to construct dwt |
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| 47 | bool tryConstruct( DeclarationWithType * dwt ); |
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[2b46a13] | 48 | |
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[29bc63e] | 49 | /// True if the type can have a user-defined constructor |
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| 50 | bool isConstructable( Type * t ); |
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| 51 | |
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[b81adcc4] | 52 | /// True if the Initializer contains designations |
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| 53 | bool isDesignated( Initializer * init ); |
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[2b46a13] | 54 | |
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[dcd73d1] | 55 | /// True if the ObjectDecl's Initializer nesting level is not deeper than the depth of its |
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| 56 | /// type, where the depth of its type is the number of nested ArrayTypes + 1 |
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| 57 | bool checkInitDepth( ObjectDecl * objDecl ); |
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| 58 | |
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[b7b8674] | 59 | /// returns the declaration of the function called by the expr (must be ApplicationExpr or UntypedExpr) |
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| 60 | DeclarationWithType * getFunction( Expression * expr ); |
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[9d6e7fa9] | 61 | const ast::DeclWithType * getFunction( const ast::Expr * expr ); |
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[b7b8674] | 62 | |
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| 63 | /// Non-Null if expr is a call expression whose target function is intrinsic |
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| 64 | ApplicationExpr * isIntrinsicCallExpr( Expression * expr ); |
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[aedfd91] | 65 | |
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[b81adcc4] | 66 | /// True if stmt is a call statement where the function called is intrinsic and takes one parameter. |
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| 67 | /// Intended to be used for default ctor/dtor calls, but might have use elsewhere. |
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| 68 | /// Currently has assertions that make it less than fully general. |
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[a465caf] | 69 | bool isIntrinsicSingleArgCallStmt( Statement * stmt ); |
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| 70 | |
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| 71 | /// True if stmt is a call statement where the function called is intrinsic. |
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| 72 | bool isIntrinsicCallStmt( Statement * stmt ); |
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[70f89d00] | 73 | |
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[4d2434a] | 74 | /// get all Ctor/Dtor call expressions from a Statement |
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| 75 | void collectCtorDtorCalls( Statement * stmt, std::list< Expression * > & matches ); |
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| 76 | |
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[b81adcc4] | 77 | /// get the Ctor/Dtor call expression from a Statement that looks like a generated ctor/dtor call |
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| 78 | Expression * getCtorDtorCall( Statement * stmt ); |
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[f1b1e4c] | 79 | |
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[b81adcc4] | 80 | /// returns the name of the function being called |
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| 81 | std::string getFunctionName( Expression * expr ); |
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[d7aa12c] | 82 | std::string getFunctionName( const ast::Expr * expr ); |
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[f1b1e4c] | 83 | |
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[b81adcc4] | 84 | /// returns the argument to a call expression in position N indexed from 0 |
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| 85 | Expression *& getCallArg( Expression * callExpr, unsigned int pos ); |
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[9b4f329] | 86 | const ast::Expr * getCallArg( const ast::Expr * call, unsigned pos ); |
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[10a7775] | 87 | |
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[b81adcc4] | 88 | /// returns the base type of a PointerType or ArrayType, else returns NULL |
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| 89 | Type * getPointerBase( Type * ); |
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[9e1d485] | 90 | const ast::Type* getPointerBase( const ast::Type* ); |
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[64071c2] | 91 | |
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[b81adcc4] | 92 | /// returns the argument if it is a PointerType or ArrayType, else returns NULL |
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| 93 | Type * isPointerType( Type * ); |
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[5f98ce5] | 94 | |
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[b81adcc4] | 95 | /// returns true if expr is trivially a compile-time constant |
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| 96 | bool isConstExpr( Expression * expr ); |
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| 97 | bool isConstExpr( Initializer * init ); |
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[39f84a4] | 98 | |
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| 99 | class InitExpander { |
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| 100 | public: |
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| 101 | // expand by stepping through init to get each list of arguments |
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| 102 | InitExpander( Initializer * init ); |
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| 103 | |
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| 104 | // always expand to expr |
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| 105 | InitExpander( Expression * expr ); |
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| 106 | |
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| 107 | // iterator-like interface |
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| 108 | std::list< Expression * > operator*(); |
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| 109 | InitExpander & operator++(); |
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| 110 | |
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| 111 | // builds statement which has the same semantics as a C-style list initializer |
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| 112 | // (for array initializers) using callExpr as the base expression to perform initialization |
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| 113 | Statement * buildListInit( UntypedExpr * callExpr ); |
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| 114 | void addArrayIndex( Expression * index, Expression * dimension ); |
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[4d2434a] | 115 | void clearArrayIndices(); |
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[1a5ad8c] | 116 | bool addReference(); |
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[39f84a4] | 117 | |
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| 118 | class ExpanderImpl; |
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[d180746] | 119 | |
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[62e5546] | 120 | typedef std::list< Expression * > IndexList; |
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[39f84a4] | 121 | private: |
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| 122 | std::shared_ptr< ExpanderImpl > expander; |
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| 123 | std::list< Expression * > cur; |
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| 124 | |
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| 125 | // invariant: list of size 2N (elements come in pairs [index, dimension]) |
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| 126 | IndexList indices; |
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| 127 | }; |
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[2b46a13] | 128 | } // namespace |
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| 129 | |
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| 130 | // Local Variables: // |
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| 131 | // tab-width: 4 // |
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| 132 | // mode: c++ // |
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| 133 | // compile-command: "make install" // |
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| 134 | // End: // |
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