[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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| 11 | // Last Modified By : Rob Schluntz |
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| 12 | // Last Modified On : Fri May 13 11:35:36 2016 |
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| 13 | // Update Count : 3 |
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| 14 | // |
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| 15 | |
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| 16 | #ifndef INIT_TWEAK_H |
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| 17 | #define INIT_TWEAK_H |
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| 18 | |
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| 19 | #include <string> |
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| 20 | #include <list> |
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| 21 | |
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| 22 | #include "SynTree/SynTree.h" |
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| 23 | #include "SynTree/Declaration.h" |
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| 24 | #include "SynTree/Mutator.h" |
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| 25 | |
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| 26 | // helper functions for initialization |
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| 27 | namespace InitTweak { |
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[b81adcc4] | 28 | /// transform Initializer into an argument list that can be passed to a call expression |
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| 29 | std::list< Expression * > makeInitList( Initializer * init ); |
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[2b46a13] | 30 | |
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[b81adcc4] | 31 | /// True if the resolver should try to construct objDecl |
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| 32 | bool tryConstruct( ObjectDecl * objDecl ); |
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[2b46a13] | 33 | |
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[b81adcc4] | 34 | /// True if the Initializer contains designations |
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| 35 | bool isDesignated( Initializer * init ); |
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[2b46a13] | 36 | |
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[aedfd91] | 37 | /// Non-Null if expr is a call expression whose target function is intrinsic |
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| 38 | ApplicationExpr * isIntrinsicCallExpr( Expression * expr ); |
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| 39 | |
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[b81adcc4] | 40 | /// True if stmt is a call statement where the function called is intrinsic and takes one parameter. |
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| 41 | /// Intended to be used for default ctor/dtor calls, but might have use elsewhere. |
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| 42 | /// Currently has assertions that make it less than fully general. |
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[a465caf] | 43 | bool isIntrinsicSingleArgCallStmt( Statement * stmt ); |
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| 44 | |
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| 45 | /// True if stmt is a call statement where the function called is intrinsic. |
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| 46 | bool isIntrinsicCallStmt( Statement * stmt ); |
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[70f89d00] | 47 | |
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[4d2434a] | 48 | /// get all Ctor/Dtor call expressions from a Statement |
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| 49 | void collectCtorDtorCalls( Statement * stmt, std::list< Expression * > & matches ); |
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| 50 | |
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[b81adcc4] | 51 | /// get the Ctor/Dtor call expression from a Statement that looks like a generated ctor/dtor call |
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| 52 | Expression * getCtorDtorCall( Statement * stmt ); |
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[f1b1e4c] | 53 | |
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[b81adcc4] | 54 | /// returns the name of the function being called |
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| 55 | std::string getFunctionName( Expression * expr ); |
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[f1b1e4c] | 56 | |
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[b81adcc4] | 57 | /// returns the argument to a call expression in position N indexed from 0 |
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| 58 | Expression *& getCallArg( Expression * callExpr, unsigned int pos ); |
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[10a7775] | 59 | |
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[b81adcc4] | 60 | /// returns the base type of a PointerType or ArrayType, else returns NULL |
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| 61 | Type * getPointerBase( Type * ); |
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[64071c2] | 62 | |
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[b81adcc4] | 63 | /// returns the argument if it is a PointerType or ArrayType, else returns NULL |
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| 64 | Type * isPointerType( Type * ); |
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[5f98ce5] | 65 | |
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[b81adcc4] | 66 | /// returns true if expr is trivially a compile-time constant |
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| 67 | bool isConstExpr( Expression * expr ); |
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| 68 | bool isConstExpr( Initializer * init ); |
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[39f84a4] | 69 | |
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| 70 | class InitExpander { |
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| 71 | public: |
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| 72 | // expand by stepping through init to get each list of arguments |
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| 73 | InitExpander( Initializer * init ); |
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| 74 | |
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| 75 | // always expand to expr |
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| 76 | InitExpander( Expression * expr ); |
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| 77 | |
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| 78 | // iterator-like interface |
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| 79 | std::list< Expression * > operator*(); |
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| 80 | InitExpander & operator++(); |
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| 81 | |
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| 82 | // builds statement which has the same semantics as a C-style list initializer |
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| 83 | // (for array initializers) using callExpr as the base expression to perform initialization |
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| 84 | Statement * buildListInit( UntypedExpr * callExpr ); |
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| 85 | void addArrayIndex( Expression * index, Expression * dimension ); |
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[4d2434a] | 86 | void clearArrayIndices(); |
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[39f84a4] | 87 | |
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| 88 | class ExpanderImpl; |
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| 89 | private: |
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| 90 | std::shared_ptr< ExpanderImpl > expander; |
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| 91 | std::list< Expression * > cur; |
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| 92 | |
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| 93 | // invariant: list of size 2N (elements come in pairs [index, dimension]) |
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| 94 | typedef std::list< Expression * > IndexList; |
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| 95 | IndexList indices; |
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| 96 | }; |
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[2b46a13] | 97 | } // namespace |
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| 98 | |
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| 99 | #endif // INITTWEAK_GENINIT_H |
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| 100 | |
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| 101 | // Local Variables: // |
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| 102 | // tab-width: 4 // |
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| 103 | // mode: c++ // |
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| 104 | // compile-command: "make install" // |
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| 105 | // End: // |
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