[0dd3a2f] | 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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[3be261a] | 7 | // Expression.h -- |
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[0dd3a2f] | 8 | // |
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| 9 | // Author : Richard C. Bilson |
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| 10 | // Created On : Mon May 18 07:44:20 2015 |
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[2d80111] | 11 | // Last Modified By : Andrew Beach |
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[5d00425] | 12 | // Last Modified On : Thr Aug 15 13:46:00 2019 |
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| 13 | // Update Count : 54 |
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[0dd3a2f] | 14 | // |
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[e612146c] | 15 | |
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[6b0b624] | 16 | #pragma once |
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[51b7345] | 17 | |
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[ea6332d] | 18 | #include <iosfwd> // for ostream |
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| 19 | #include <list> // for list, list<>::iterator |
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| 20 | #include <map> // for map, map<>::value_compare |
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| 21 | #include <memory> // for allocator, unique_ptr |
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| 22 | #include <string> // for string |
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[0b00df0] | 23 | #include <vector> // for vector |
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[ea6332d] | 24 | |
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| 25 | #include "BaseSyntaxNode.h" // for BaseSyntaxNode |
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| 26 | #include "Constant.h" // for Constant |
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| 27 | #include "Initializer.h" // for Designation (ptr only), Initializer |
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[5809461] | 28 | #include "Label.h" // for Label |
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[ea6332d] | 29 | #include "Mutator.h" // for Mutator |
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| 30 | #include "SynTree.h" // for UniqueId |
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| 31 | #include "Visitor.h" // for Visitor |
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[294647b] | 32 | |
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[51b7345] | 33 | |
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[df626eb] | 34 | struct ParamEntry; |
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| 35 | |
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| 36 | typedef std::map< UniqueId, ParamEntry > InferredParams; |
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| 37 | |
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| 38 | /// ParamEntry contains the i.d. of a declaration and a type that is derived from that declaration, |
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| 39 | /// but subject to decay-to-pointer and type parameter renaming |
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| 40 | struct ParamEntry { |
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[462a7c7] | 41 | ParamEntry(): decl( 0 ), declptr( nullptr ), actualType( nullptr ), formalType( nullptr ), expr( nullptr ) {} |
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| 42 | ParamEntry( UniqueId decl, Declaration * declptr, Type * actualType, Type * formalType, Expression* expr ); |
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[df626eb] | 43 | ParamEntry( const ParamEntry & other ); |
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[4d6d62e] | 44 | ParamEntry( ParamEntry && other ); |
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[df626eb] | 45 | ~ParamEntry(); |
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[4d6d62e] | 46 | ParamEntry & operator=( ParamEntry && other ); |
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[df626eb] | 47 | |
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[aaeacf4] | 48 | UniqueId const decl; |
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| 49 | Declaration * const declptr; |
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| 50 | Type * const actualType; |
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| 51 | Type * const formalType; |
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[df626eb] | 52 | Expression * expr; |
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| 53 | }; |
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| 54 | |
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[47534159] | 55 | /// Expression is the root type for all expressions |
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[df626eb] | 56 | class Expression : public BaseSyntaxNode { |
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[0dd3a2f] | 57 | public: |
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[65cdc1e] | 58 | Type * result; |
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| 59 | TypeSubstitution * env; |
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| 60 | bool extension = false; |
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[0b00df0] | 61 | InferredParams inferParams; ///< Post-resolution inferred parameter slots |
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| 62 | std::vector<UniqueId> resnSlots; ///< Pre-resolution inferred parameter slots |
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[0e315a5] | 63 | |
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[0b00df0] | 64 | // xxx - should turn inferParams+resnSlots into a union to save some memory |
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[65cdc1e] | 65 | |
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[bf4b4cf] | 66 | Expression(); |
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[5ded739] | 67 | Expression( const Expression & other ); |
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[0dd3a2f] | 68 | virtual ~Expression(); |
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| 69 | |
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[906e24d] | 70 | Type *& get_result() { return result; } |
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[fbcde64] | 71 | const Type * get_result() const { return result; } |
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[5ded739] | 72 | void set_result( Type * newValue ) { result = newValue; } |
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[14388c1] | 73 | virtual bool get_lvalue() const; |
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[0dd3a2f] | 74 | |
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[5ded739] | 75 | TypeSubstitution * get_env() const { return env; } |
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| 76 | void set_env( TypeSubstitution * newValue ) { env = newValue; } |
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[e04ef3a] | 77 | bool get_extension() const { return extension; } |
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[8e9cbb2] | 78 | Expression * set_extension( bool exten ) { extension = exten; return this; } |
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[0dd3a2f] | 79 | |
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[cdb990a] | 80 | // move other's inferParams to this |
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| 81 | void spliceInferParams( Expression * other ); |
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| 82 | |
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[fa16264] | 83 | virtual Expression * clone() const override = 0; |
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| 84 | virtual void accept( Visitor & v ) override = 0; |
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[7870799] | 85 | virtual void accept( Visitor & v ) const override = 0; |
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[fa16264] | 86 | virtual Expression * acceptMutator( Mutator & m ) override = 0; |
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[50377a4] | 87 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 88 | }; |
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| 89 | |
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[9706554] | 90 | /// ApplicationExpr represents the application of a function to a set of parameters. This is the result of running an |
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| 91 | /// UntypedExpr through the expression analyzer. |
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[0dd3a2f] | 92 | class ApplicationExpr : public Expression { |
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| 93 | public: |
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[65cdc1e] | 94 | Expression * function; |
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[871cdb4] | 95 | std::list<Expression *> args; |
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[65cdc1e] | 96 | |
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[a5f0529] | 97 | ApplicationExpr( Expression * function, const std::list<Expression *> & args = std::list< Expression * >() ); |
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[5ded739] | 98 | ApplicationExpr( const ApplicationExpr & other ); |
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[0dd3a2f] | 99 | virtual ~ApplicationExpr(); |
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| 100 | |
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[14388c1] | 101 | bool get_lvalue() const final; |
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| 102 | |
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[5ded739] | 103 | Expression * get_function() const { return function; } |
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| 104 | void set_function( Expression * newValue ) { function = newValue; } |
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[0dd3a2f] | 105 | std::list<Expression *>& get_args() { return args; } |
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| 106 | |
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[7870799] | 107 | virtual ApplicationExpr * clone() const override { return new ApplicationExpr( * this ); } |
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| 108 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 109 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 110 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 111 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 112 | }; |
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| 113 | |
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[9706554] | 114 | /// UntypedExpr represents the application of a function to a set of parameters, but where the particular overload for |
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| 115 | /// the function name has not yet been determined. Most operators are converted into functional form automatically, to |
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| 116 | /// permit operator overloading. |
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[0dd3a2f] | 117 | class UntypedExpr : public Expression { |
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| 118 | public: |
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[65cdc1e] | 119 | Expression * function; |
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| 120 | std::list<Expression*> args; |
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| 121 | |
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[bf4b4cf] | 122 | UntypedExpr( Expression * function, const std::list<Expression *> & args = std::list< Expression * >() ); |
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[5ded739] | 123 | UntypedExpr( const UntypedExpr & other ); |
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[0dd3a2f] | 124 | virtual ~UntypedExpr(); |
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| 125 | |
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[14388c1] | 126 | bool get_lvalue() const final; |
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| 127 | |
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[5ded739] | 128 | Expression * get_function() const { return function; } |
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| 129 | void set_function( Expression * newValue ) { function = newValue; } |
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[0dd3a2f] | 130 | |
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| 131 | std::list<Expression*>::iterator begin_args() { return args.begin(); } |
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| 132 | std::list<Expression*>::iterator end_args() { return args.end(); } |
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| 133 | std::list<Expression*>& get_args() { return args; } |
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| 134 | |
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[b3b2077] | 135 | static UntypedExpr * createDeref( Expression * arg ); |
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| 136 | static UntypedExpr * createAssign( Expression * arg1, Expression * arg2 ); |
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| 137 | |
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[7870799] | 138 | virtual UntypedExpr * clone() const override { return new UntypedExpr( * this ); } |
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| 139 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 140 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 141 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 142 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 143 | }; |
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| 144 | |
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[47534159] | 145 | /// NameExpr contains a name whose meaning is still not determined |
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[0dd3a2f] | 146 | class NameExpr : public Expression { |
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| 147 | public: |
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[65cdc1e] | 148 | std::string name; |
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| 149 | |
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[bf4b4cf] | 150 | NameExpr( std::string name ); |
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[5ded739] | 151 | NameExpr( const NameExpr & other ); |
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[0dd3a2f] | 152 | virtual ~NameExpr(); |
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| 153 | |
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[5ded739] | 154 | const std::string & get_name() const { return name; } |
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[0dd3a2f] | 155 | void set_name( std::string newValue ) { name = newValue; } |
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| 156 | |
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[7870799] | 157 | virtual NameExpr * clone() const override { return new NameExpr( * this ); } |
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| 158 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 159 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 160 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 161 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 162 | }; |
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| 163 | |
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| 164 | // The following classes are used to represent expression types that cannot be converted into |
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| 165 | // function-call format. |
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| 166 | |
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[5ded739] | 167 | /// AddressExpr represents a address-of expression, e.g. & e |
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[0dd3a2f] | 168 | class AddressExpr : public Expression { |
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| 169 | public: |
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[65cdc1e] | 170 | Expression * arg; |
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| 171 | |
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[bf4b4cf] | 172 | AddressExpr( Expression * arg ); |
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[5ded739] | 173 | AddressExpr( const AddressExpr & other ); |
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[0dd3a2f] | 174 | virtual ~AddressExpr(); |
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| 175 | |
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[5ded739] | 176 | Expression * get_arg() const { return arg; } |
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| 177 | void set_arg(Expression * newValue ) { arg = newValue; } |
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[0dd3a2f] | 178 | |
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[7870799] | 179 | virtual AddressExpr * clone() const override { return new AddressExpr( * this ); } |
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| 180 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 181 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 182 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 183 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 184 | }; |
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| 185 | |
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[5809461] | 186 | // GCC &&label |
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| 187 | // https://gcc.gnu.org/onlinedocs/gcc-3.4.2/gcc/Labels-as-Values.html |
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[0dd3a2f] | 188 | class LabelAddressExpr : public Expression { |
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| 189 | public: |
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[5809461] | 190 | Label arg; |
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[65cdc1e] | 191 | |
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[5809461] | 192 | LabelAddressExpr( const Label &arg ); |
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[5ded739] | 193 | LabelAddressExpr( const LabelAddressExpr & other ); |
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[0dd3a2f] | 194 | virtual ~LabelAddressExpr(); |
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| 195 | |
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[7870799] | 196 | virtual LabelAddressExpr * clone() const override { return new LabelAddressExpr( * this ); } |
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| 197 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 198 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 199 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 200 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 201 | }; |
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| 202 | |
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[47534159] | 203 | /// CastExpr represents a type cast expression, e.g. (int)e |
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[0dd3a2f] | 204 | class CastExpr : public Expression { |
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| 205 | public: |
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[65cdc1e] | 206 | Expression * arg; |
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[5170d95] | 207 | bool isGenerated = true; // cast generated implicitly by code generation or explicit in program |
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[65cdc1e] | 208 | |
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[c0bf94e] | 209 | CastExpr( Expression * arg, bool isGenerated = true ); |
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| 210 | CastExpr( Expression * arg, Type * toType, bool isGenerated = true ); |
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[9a705dc8] | 211 | CastExpr( Expression * arg, void * ) = delete; // prevent accidentally passing pointers for isGenerated in the first constructor |
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[5ded739] | 212 | CastExpr( const CastExpr & other ); |
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[0dd3a2f] | 213 | virtual ~CastExpr(); |
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| 214 | |
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[14388c1] | 215 | bool get_lvalue() const final; |
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| 216 | |
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[5ded739] | 217 | Expression * get_arg() const { return arg; } |
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[a5f0529] | 218 | void set_arg( Expression * newValue ) { arg = newValue; } |
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[0dd3a2f] | 219 | |
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[7870799] | 220 | virtual CastExpr * clone() const override { return new CastExpr( * this ); } |
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| 221 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 222 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 223 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 224 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 225 | }; |
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| 226 | |
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[9a705dc8] | 227 | /// KeywordCastExpr represents a cast to 'keyword types', e.g. (thread &)t |
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| 228 | class KeywordCastExpr : public Expression { |
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| 229 | public: |
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| 230 | Expression * arg; |
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| 231 | enum Target { |
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| 232 | Coroutine, Thread, Monitor, NUMBER_OF_TARGETS |
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| 233 | } target; |
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| 234 | |
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| 235 | KeywordCastExpr( Expression * arg, Target target ); |
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| 236 | KeywordCastExpr( const KeywordCastExpr & other ); |
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| 237 | virtual ~KeywordCastExpr(); |
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| 238 | |
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| 239 | const std::string & targetString() const; |
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| 240 | |
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[7870799] | 241 | virtual KeywordCastExpr * clone() const override { return new KeywordCastExpr( * this ); } |
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| 242 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 243 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 244 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 245 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[9a705dc8] | 246 | }; |
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| 247 | |
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[a5f0529] | 248 | /// VirtualCastExpr repersents a virtual dynamic cast, e.g. (virtual exception)e |
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| 249 | class VirtualCastExpr : public Expression { |
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| 250 | public: |
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[5ded739] | 251 | Expression * arg; |
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[65cdc1e] | 252 | |
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[a5f0529] | 253 | VirtualCastExpr( Expression * arg, Type * toType ); |
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| 254 | VirtualCastExpr( const VirtualCastExpr & other ); |
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| 255 | virtual ~VirtualCastExpr(); |
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| 256 | |
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| 257 | Expression * get_arg() const { return arg; } |
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| 258 | void set_arg( Expression * newValue ) { arg = newValue; } |
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| 259 | |
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[7870799] | 260 | virtual VirtualCastExpr * clone() const override { return new VirtualCastExpr( * this ); } |
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| 261 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 262 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 263 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 264 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 265 | }; |
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| 266 | |
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[47534159] | 267 | /// UntypedMemberExpr represents a member selection operation, e.g. q.p before processing by the expression analyzer |
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[0dd3a2f] | 268 | class UntypedMemberExpr : public Expression { |
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| 269 | public: |
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[65cdc1e] | 270 | Expression * member; |
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| 271 | Expression * aggregate; |
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| 272 | |
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[bf4b4cf] | 273 | UntypedMemberExpr( Expression * member, Expression * aggregate ); |
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[5ded739] | 274 | UntypedMemberExpr( const UntypedMemberExpr & other ); |
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[0dd3a2f] | 275 | virtual ~UntypedMemberExpr(); |
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| 276 | |
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[849720f] | 277 | bool get_lvalue() const final; |
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| 278 | |
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[3b58d91] | 279 | Expression * get_member() const { return member; } |
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| 280 | void set_member( Expression * newValue ) { member = newValue; } |
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[5ded739] | 281 | Expression * get_aggregate() const { return aggregate; } |
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| 282 | void set_aggregate( Expression * newValue ) { aggregate = newValue; } |
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[0dd3a2f] | 283 | |
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[7870799] | 284 | virtual UntypedMemberExpr * clone() const override { return new UntypedMemberExpr( * this ); } |
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| 285 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 286 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 287 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 288 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 289 | }; |
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| 290 | |
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[4551a6e] | 291 | /// MemberExpr represents a member selection operation, e.g. q.p after processing by the expression analyzer. |
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| 292 | /// Does not take ownership of member. |
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[0dd3a2f] | 293 | class MemberExpr : public Expression { |
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| 294 | public: |
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[65cdc1e] | 295 | DeclarationWithType * member; |
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| 296 | Expression * aggregate; |
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| 297 | |
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[bf4b4cf] | 298 | MemberExpr( DeclarationWithType * member, Expression * aggregate ); |
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[5ded739] | 299 | MemberExpr( const MemberExpr & other ); |
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[0dd3a2f] | 300 | virtual ~MemberExpr(); |
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| 301 | |
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[14388c1] | 302 | bool get_lvalue() const final; |
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| 303 | |
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[5ded739] | 304 | DeclarationWithType * get_member() const { return member; } |
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| 305 | void set_member( DeclarationWithType * newValue ) { member = newValue; } |
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| 306 | Expression * get_aggregate() const { return aggregate; } |
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| 307 | void set_aggregate( Expression * newValue ) { aggregate = newValue; } |
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[0dd3a2f] | 308 | |
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[7870799] | 309 | virtual MemberExpr * clone() const override { return new MemberExpr( * this ); } |
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| 310 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 311 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 312 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 313 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 314 | }; |
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| 315 | |
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[4551a6e] | 316 | /// VariableExpr represents an expression that simply refers to the value of a named variable. |
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| 317 | /// Does not take ownership of var. |
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[0dd3a2f] | 318 | class VariableExpr : public Expression { |
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| 319 | public: |
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[65cdc1e] | 320 | DeclarationWithType * var; |
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| 321 | |
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[546e712] | 322 | VariableExpr(); |
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[bf4b4cf] | 323 | VariableExpr( DeclarationWithType * var ); |
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[5ded739] | 324 | VariableExpr( const VariableExpr & other ); |
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[0dd3a2f] | 325 | virtual ~VariableExpr(); |
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| 326 | |
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[14388c1] | 327 | bool get_lvalue() const final; |
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| 328 | |
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[5ded739] | 329 | DeclarationWithType * get_var() const { return var; } |
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| 330 | void set_var( DeclarationWithType * newValue ) { var = newValue; } |
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[0dd3a2f] | 331 | |
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[8a6cf7e] | 332 | static VariableExpr * functionPointer( FunctionDecl * decl ); |
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| 333 | |
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[7870799] | 334 | virtual VariableExpr * clone() const override { return new VariableExpr( * this ); } |
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| 335 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 336 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 337 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 338 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 339 | }; |
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| 340 | |
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[3be261a] | 341 | /// ConstantExpr represents an expression that simply refers to the value of a constant |
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[0dd3a2f] | 342 | class ConstantExpr : public Expression { |
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| 343 | public: |
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[65cdc1e] | 344 | Constant constant; |
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| 345 | |
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[bf4b4cf] | 346 | ConstantExpr( Constant constant ); |
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[5ded739] | 347 | ConstantExpr( const ConstantExpr & other ); |
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[0dd3a2f] | 348 | virtual ~ConstantExpr(); |
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| 349 | |
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[5ded739] | 350 | Constant * get_constant() { return & constant; } |
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[ddb80bd] | 351 | const Constant * get_constant() const { return & constant; } |
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[5ded739] | 352 | void set_constant( const Constant & newValue ) { constant = newValue; } |
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[0dd3a2f] | 353 | |
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[ddb80bd] | 354 | long long int intValue() const; |
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| 355 | |
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[7870799] | 356 | virtual ConstantExpr * clone() const override { return new ConstantExpr( * this ); } |
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| 357 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 358 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 359 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 360 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 361 | }; |
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| 362 | |
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[47534159] | 363 | /// SizeofExpr represents a sizeof expression (could be sizeof(int) or sizeof 3+4) |
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[0dd3a2f] | 364 | class SizeofExpr : public Expression { |
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| 365 | public: |
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[65cdc1e] | 366 | Expression * expr; |
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| 367 | Type * type; |
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| 368 | bool isType; |
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| 369 | |
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[bf4b4cf] | 370 | SizeofExpr( Expression * expr ); |
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[5ded739] | 371 | SizeofExpr( const SizeofExpr & other ); |
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[bf4b4cf] | 372 | SizeofExpr( Type * type ); |
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[0dd3a2f] | 373 | virtual ~SizeofExpr(); |
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| 374 | |
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[5ded739] | 375 | Expression * get_expr() const { return expr; } |
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| 376 | void set_expr( Expression * newValue ) { expr = newValue; } |
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| 377 | Type * get_type() const { return type; } |
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| 378 | void set_type( Type * newValue ) { type = newValue; } |
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[0dd3a2f] | 379 | bool get_isType() const { return isType; } |
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| 380 | void set_isType( bool newValue ) { isType = newValue; } |
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| 381 | |
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[7870799] | 382 | virtual SizeofExpr * clone() const override { return new SizeofExpr( * this ); } |
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| 383 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 384 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 385 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 386 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 387 | }; |
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| 388 | |
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[47534159] | 389 | /// AlignofExpr represents an alignof expression |
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| 390 | class AlignofExpr : public Expression { |
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| 391 | public: |
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[65cdc1e] | 392 | Expression * expr; |
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| 393 | Type * type; |
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| 394 | bool isType; |
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| 395 | |
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[bf4b4cf] | 396 | AlignofExpr( Expression * expr ); |
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[5ded739] | 397 | AlignofExpr( const AlignofExpr & other ); |
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[bf4b4cf] | 398 | AlignofExpr( Type * type ); |
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[47534159] | 399 | virtual ~AlignofExpr(); |
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| 400 | |
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[5ded739] | 401 | Expression * get_expr() const { return expr; } |
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| 402 | void set_expr( Expression * newValue ) { expr = newValue; } |
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| 403 | Type * get_type() const { return type; } |
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| 404 | void set_type( Type * newValue ) { type = newValue; } |
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[47534159] | 405 | bool get_isType() const { return isType; } |
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| 406 | void set_isType( bool newValue ) { isType = newValue; } |
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| 407 | |
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[7870799] | 408 | virtual AlignofExpr * clone() const override { return new AlignofExpr( * this ); } |
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| 409 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 410 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 411 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 412 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[47534159] | 413 | }; |
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| 414 | |
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[2a4b088] | 415 | /// UntypedOffsetofExpr represents an offsetof expression before resolution |
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| 416 | class UntypedOffsetofExpr : public Expression { |
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| 417 | public: |
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[65cdc1e] | 418 | Type * type; |
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| 419 | std::string member; |
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| 420 | |
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[bf4b4cf] | 421 | UntypedOffsetofExpr( Type * type, const std::string & member ); |
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[5ded739] | 422 | UntypedOffsetofExpr( const UntypedOffsetofExpr & other ); |
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[2a4b088] | 423 | virtual ~UntypedOffsetofExpr(); |
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| 424 | |
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| 425 | std::string get_member() const { return member; } |
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[5ded739] | 426 | void set_member( const std::string & newValue ) { member = newValue; } |
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| 427 | Type * get_type() const { return type; } |
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| 428 | void set_type( Type * newValue ) { type = newValue; } |
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| 429 | |
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[7870799] | 430 | virtual UntypedOffsetofExpr * clone() const override { return new UntypedOffsetofExpr( * this ); } |
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| 431 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 432 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 433 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 434 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[2a4b088] | 435 | }; |
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| 436 | |
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[25a054f] | 437 | /// OffsetofExpr represents an offsetof expression |
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| 438 | class OffsetofExpr : public Expression { |
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| 439 | public: |
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[65cdc1e] | 440 | Type * type; |
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| 441 | DeclarationWithType * member; |
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| 442 | |
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[bf4b4cf] | 443 | OffsetofExpr( Type * type, DeclarationWithType * member ); |
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[5ded739] | 444 | OffsetofExpr( const OffsetofExpr & other ); |
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[25a054f] | 445 | virtual ~OffsetofExpr(); |
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| 446 | |
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[5ded739] | 447 | Type * get_type() const { return type; } |
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| 448 | void set_type( Type * newValue ) { type = newValue; } |
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| 449 | DeclarationWithType * get_member() const { return member; } |
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| 450 | void set_member( DeclarationWithType * newValue ) { member = newValue; } |
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| 451 | |
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[7870799] | 452 | virtual OffsetofExpr * clone() const override { return new OffsetofExpr( * this ); } |
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| 453 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 454 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 455 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 456 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[25a054f] | 457 | }; |
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| 458 | |
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[afc1045] | 459 | /// Expression representing a pack of field-offsets for a generic type |
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| 460 | class OffsetPackExpr : public Expression { |
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| 461 | public: |
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[65cdc1e] | 462 | StructInstType * type; |
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| 463 | |
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[bf4b4cf] | 464 | OffsetPackExpr( StructInstType * type ); |
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[5ded739] | 465 | OffsetPackExpr( const OffsetPackExpr & other ); |
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[afc1045] | 466 | virtual ~OffsetPackExpr(); |
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| 467 | |
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[5ded739] | 468 | StructInstType * get_type() const { return type; } |
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| 469 | void set_type( StructInstType * newValue ) { type = newValue; } |
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[afc1045] | 470 | |
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[7870799] | 471 | virtual OffsetPackExpr * clone() const override { return new OffsetPackExpr( * this ); } |
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| 472 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 473 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 474 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 475 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[afc1045] | 476 | }; |
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| 477 | |
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[47534159] | 478 | /// LogicalExpr represents a short-circuit boolean expression (&& or ||) |
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[0dd3a2f] | 479 | class LogicalExpr : public Expression { |
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| 480 | public: |
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[65cdc1e] | 481 | Expression * arg1; |
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| 482 | Expression * arg2; |
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| 483 | |
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[bf4b4cf] | 484 | LogicalExpr( Expression * arg1, Expression * arg2, bool andp = true ); |
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[5ded739] | 485 | LogicalExpr( const LogicalExpr & other ); |
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[0dd3a2f] | 486 | virtual ~LogicalExpr(); |
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| 487 | |
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| 488 | bool get_isAnd() const { return isAnd; } |
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[5ded739] | 489 | Expression * get_arg1() { return arg1; } |
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| 490 | void set_arg1( Expression * newValue ) { arg1 = newValue; } |
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| 491 | Expression * get_arg2() const { return arg2; } |
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| 492 | void set_arg2( Expression * newValue ) { arg2 = newValue; } |
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| 493 | |
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[7870799] | 494 | virtual LogicalExpr * clone() const override { return new LogicalExpr( * this ); } |
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| 495 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 496 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 497 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 498 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[65cdc1e] | 499 | |
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[0dd3a2f] | 500 | private: |
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| 501 | bool isAnd; |
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[51b7345] | 502 | }; |
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| 503 | |
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[47534159] | 504 | /// ConditionalExpr represents the three-argument conditional ( p ? a : b ) |
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[0dd3a2f] | 505 | class ConditionalExpr : public Expression { |
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| 506 | public: |
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[65cdc1e] | 507 | Expression * arg1; |
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| 508 | Expression * arg2; |
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| 509 | Expression * arg3; |
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| 510 | |
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[bf4b4cf] | 511 | ConditionalExpr( Expression * arg1, Expression * arg2, Expression * arg3 ); |
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[5ded739] | 512 | ConditionalExpr( const ConditionalExpr & other ); |
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[0dd3a2f] | 513 | virtual ~ConditionalExpr(); |
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| 514 | |
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[14388c1] | 515 | bool get_lvalue() const final; |
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| 516 | |
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[5ded739] | 517 | Expression * get_arg1() const { return arg1; } |
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| 518 | void set_arg1( Expression * newValue ) { arg1 = newValue; } |
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| 519 | Expression * get_arg2() const { return arg2; } |
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| 520 | void set_arg2( Expression * newValue ) { arg2 = newValue; } |
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| 521 | Expression * get_arg3() const { return arg3; } |
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| 522 | void set_arg3( Expression * newValue ) { arg3 = newValue; } |
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| 523 | |
---|
[7870799] | 524 | virtual ConditionalExpr * clone() const override { return new ConditionalExpr( * this ); } |
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| 525 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 526 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 527 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 528 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 529 | }; |
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| 530 | |
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[47534159] | 531 | /// CommaExpr represents the sequence operator ( a, b ) |
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[0dd3a2f] | 532 | class CommaExpr : public Expression { |
---|
| 533 | public: |
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[65cdc1e] | 534 | Expression * arg1; |
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| 535 | Expression * arg2; |
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| 536 | |
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[bf4b4cf] | 537 | CommaExpr( Expression * arg1, Expression * arg2 ); |
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[5ded739] | 538 | CommaExpr( const CommaExpr & other ); |
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[0dd3a2f] | 539 | virtual ~CommaExpr(); |
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| 540 | |
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[14388c1] | 541 | bool get_lvalue() const final; |
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| 542 | |
---|
[5ded739] | 543 | Expression * get_arg1() const { return arg1; } |
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| 544 | void set_arg1( Expression * newValue ) { arg1 = newValue; } |
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| 545 | Expression * get_arg2() const { return arg2; } |
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| 546 | void set_arg2( Expression * newValue ) { arg2 = newValue; } |
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[0dd3a2f] | 547 | |
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[7870799] | 548 | virtual CommaExpr * clone() const override { return new CommaExpr( * this ); } |
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| 549 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 550 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 551 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
---|
| 552 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 553 | }; |
---|
| 554 | |
---|
[47534159] | 555 | /// TypeExpr represents a type used in an expression (e.g. as a type generator parameter) |
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[0dd3a2f] | 556 | class TypeExpr : public Expression { |
---|
| 557 | public: |
---|
[65cdc1e] | 558 | Type * type; |
---|
| 559 | |
---|
[5ded739] | 560 | TypeExpr( Type * type ); |
---|
| 561 | TypeExpr( const TypeExpr & other ); |
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[0dd3a2f] | 562 | virtual ~TypeExpr(); |
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| 563 | |
---|
[5ded739] | 564 | Type * get_type() const { return type; } |
---|
| 565 | void set_type( Type * newValue ) { type = newValue; } |
---|
[0dd3a2f] | 566 | |
---|
[7870799] | 567 | virtual TypeExpr * clone() const override { return new TypeExpr( * this ); } |
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| 568 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 569 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 570 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
---|
| 571 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
---|
[51b7345] | 572 | }; |
---|
| 573 | |
---|
[47534159] | 574 | /// AsmExpr represents a GCC 'asm constraint operand' used in an asm statement: [output] "=f" (result) |
---|
[7f5566b] | 575 | class AsmExpr : public Expression { |
---|
| 576 | public: |
---|
[665f432] | 577 | std::string inout; |
---|
[e612146c] | 578 | Expression * constraint; |
---|
[65cdc1e] | 579 | Expression * operand; |
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| 580 | |
---|
[665f432] | 581 | AsmExpr( const std::string * _inout, Expression * constraint, Expression * operand ) : inout( _inout ? *_inout : "" ), constraint( constraint ), operand( operand ) { delete _inout; } |
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[3be261a] | 582 | AsmExpr( const AsmExpr & other ); |
---|
[665f432] | 583 | virtual ~AsmExpr() { delete constraint; delete operand; }; |
---|
[7f5566b] | 584 | |
---|
[7870799] | 585 | virtual AsmExpr * clone() const override { return new AsmExpr( * this ); } |
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| 586 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
---|
| 587 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
---|
| 588 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
---|
| 589 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
---|
[65cdc1e] | 590 | |
---|
[7f5566b] | 591 | // https://gcc.gnu.org/onlinedocs/gcc-4.7.1/gcc/Machine-Constraints.html#Machine-Constraints |
---|
| 592 | }; |
---|
| 593 | |
---|
[db4ecc5] | 594 | /// ImplicitCopyCtorExpr represents the application of a function to a set of parameters, |
---|
| 595 | /// along with a set of copy constructor calls, one for each argument. |
---|
| 596 | class ImplicitCopyCtorExpr : public Expression { |
---|
| 597 | public: |
---|
[2f86ddf] | 598 | ApplicationExpr * callExpr = nullptr; |
---|
[65cdc1e] | 599 | |
---|
[db4ecc5] | 600 | ImplicitCopyCtorExpr( ApplicationExpr * callExpr ); |
---|
| 601 | ImplicitCopyCtorExpr( const ImplicitCopyCtorExpr & other ); |
---|
| 602 | virtual ~ImplicitCopyCtorExpr(); |
---|
| 603 | |
---|
[7870799] | 604 | virtual ImplicitCopyCtorExpr * clone() const override { return new ImplicitCopyCtorExpr( * this ); } |
---|
| 605 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
---|
| 606 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
---|
| 607 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
---|
| 608 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
---|
[db4ecc5] | 609 | }; |
---|
| 610 | |
---|
[b6fe7e6] | 611 | /// ConstructorExpr represents the use of a constructor in an expression context, e.g. int * x = malloc() { 5 }; |
---|
| 612 | class ConstructorExpr : public Expression { |
---|
| 613 | public: |
---|
[65cdc1e] | 614 | Expression * callExpr; |
---|
| 615 | |
---|
[b6fe7e6] | 616 | ConstructorExpr( Expression * callExpr ); |
---|
| 617 | ConstructorExpr( const ConstructorExpr & other ); |
---|
| 618 | ~ConstructorExpr(); |
---|
[0dd3a2f] | 619 | |
---|
[14388c1] | 620 | bool get_lvalue() const final; |
---|
| 621 | |
---|
[5ded739] | 622 | Expression * get_callExpr() const { return callExpr; } |
---|
| 623 | void set_callExpr( Expression * newValue ) { callExpr = newValue; } |
---|
[0dd3a2f] | 624 | |
---|
[7870799] | 625 | virtual ConstructorExpr * clone() const override { return new ConstructorExpr( * this ); } |
---|
| 626 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
---|
| 627 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
---|
| 628 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
---|
| 629 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
---|
[51b7345] | 630 | }; |
---|
| 631 | |
---|
[630a82a] | 632 | /// CompoundLiteralExpr represents a C99 'compound literal' |
---|
| 633 | class CompoundLiteralExpr : public Expression { |
---|
| 634 | public: |
---|
[65cdc1e] | 635 | Initializer * initializer; |
---|
| 636 | |
---|
[630a82a] | 637 | CompoundLiteralExpr( Type * type, Initializer * initializer ); |
---|
[5ded739] | 638 | CompoundLiteralExpr( const CompoundLiteralExpr & other ); |
---|
[3b58d91] | 639 | virtual ~CompoundLiteralExpr(); |
---|
[630a82a] | 640 | |
---|
[14388c1] | 641 | bool get_lvalue() const final; |
---|
| 642 | |
---|
[630a82a] | 643 | Initializer * get_initializer() const { return initializer; } |
---|
| 644 | void set_initializer( Initializer * i ) { initializer = i; } |
---|
| 645 | |
---|
[7870799] | 646 | virtual CompoundLiteralExpr * clone() const override { return new CompoundLiteralExpr( * this ); } |
---|
| 647 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
---|
| 648 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
---|
| 649 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
---|
| 650 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
---|
[630a82a] | 651 | }; |
---|
| 652 | |
---|
[b6fe7e6] | 653 | /// RangeExpr represents a range e.g. '3 ... 5' or '1~10' |
---|
[8688ce1] | 654 | class RangeExpr : public Expression { |
---|
| 655 | public: |
---|
[65cdc1e] | 656 | Expression * low, * high; |
---|
| 657 | |
---|
[5ded739] | 658 | RangeExpr( Expression * low, Expression * high ); |
---|
| 659 | RangeExpr( const RangeExpr & other ); |
---|
[8688ce1] | 660 | |
---|
[d9e2280] | 661 | Expression * get_low() const { return low; } |
---|
| 662 | Expression * get_high() const { return high; } |
---|
[5ded739] | 663 | RangeExpr * set_low( Expression * low ) { RangeExpr::low = low; return this; } |
---|
| 664 | RangeExpr * set_high( Expression * high ) { RangeExpr::high = high; return this; } |
---|
[8688ce1] | 665 | |
---|
[7870799] | 666 | virtual RangeExpr * clone() const override { return new RangeExpr( * this ); } |
---|
| 667 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
---|
| 668 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
---|
| 669 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
---|
| 670 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
---|
[8688ce1] | 671 | }; |
---|
| 672 | |
---|
[907eccb] | 673 | /// UntypedTupleExpr represents a tuple expression ( [a, b, c] ) before resolution |
---|
| 674 | class UntypedTupleExpr : public Expression { |
---|
| 675 | public: |
---|
[65cdc1e] | 676 | std::list<Expression*> exprs; |
---|
| 677 | |
---|
[bf4b4cf] | 678 | UntypedTupleExpr( const std::list< Expression * > & exprs ); |
---|
[5ded739] | 679 | UntypedTupleExpr( const UntypedTupleExpr & other ); |
---|
[907eccb] | 680 | virtual ~UntypedTupleExpr(); |
---|
| 681 | |
---|
| 682 | std::list<Expression*>& get_exprs() { return exprs; } |
---|
| 683 | |
---|
[7870799] | 684 | virtual UntypedTupleExpr * clone() const override { return new UntypedTupleExpr( * this ); } |
---|
| 685 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
---|
| 686 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
---|
| 687 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
---|
| 688 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
---|
[907eccb] | 689 | }; |
---|
| 690 | |
---|
[6eb8948] | 691 | /// TupleExpr represents a tuple expression ( [a, b, c] ) |
---|
| 692 | class TupleExpr : public Expression { |
---|
| 693 | public: |
---|
[65cdc1e] | 694 | std::list<Expression*> exprs; |
---|
| 695 | |
---|
[bf4b4cf] | 696 | TupleExpr( const std::list< Expression * > & exprs ); |
---|
[5ded739] | 697 | TupleExpr( const TupleExpr & other ); |
---|
[6eb8948] | 698 | virtual ~TupleExpr(); |
---|
| 699 | |
---|
[3c7f01b] | 700 | bool get_lvalue() const final; |
---|
| 701 | |
---|
[6eb8948] | 702 | std::list<Expression*>& get_exprs() { return exprs; } |
---|
| 703 | |
---|
[7870799] | 704 | virtual TupleExpr * clone() const override { return new TupleExpr( * this ); } |
---|
| 705 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
---|
| 706 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
---|
| 707 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
---|
| 708 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
---|
[6eb8948] | 709 | }; |
---|
| 710 | |
---|
[3b58d91] | 711 | /// TupleIndexExpr represents an element selection operation on a tuple value, e.g. t.3 after processing by the expression analyzer |
---|
| 712 | class TupleIndexExpr : public Expression { |
---|
| 713 | public: |
---|
[65cdc1e] | 714 | Expression * tuple; |
---|
| 715 | unsigned int index; |
---|
| 716 | |
---|
[3b58d91] | 717 | TupleIndexExpr( Expression * tuple, unsigned int index ); |
---|
[5ded739] | 718 | TupleIndexExpr( const TupleIndexExpr & other ); |
---|
[3b58d91] | 719 | virtual ~TupleIndexExpr(); |
---|
| 720 | |
---|
[14388c1] | 721 | bool get_lvalue() const final; |
---|
| 722 | |
---|
[3b58d91] | 723 | Expression * get_tuple() const { return tuple; } |
---|
| 724 | int get_index() const { return index; } |
---|
[5ded739] | 725 | TupleIndexExpr * set_tuple( Expression * newValue ) { tuple = newValue; return this; } |
---|
[3b58d91] | 726 | TupleIndexExpr * set_index( unsigned int newValue ) { index = newValue; return this; } |
---|
| 727 | |
---|
[7870799] | 728 | virtual TupleIndexExpr * clone() const override { return new TupleIndexExpr( * this ); } |
---|
| 729 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
---|
| 730 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
---|
| 731 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
---|
| 732 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
---|
[3b58d91] | 733 | }; |
---|
| 734 | |
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[65660bd] | 735 | /// TupleAssignExpr represents a multiple assignment operation, where both sides of the assignment have tuple type, e.g. [a, b, c] = [d, e, f];, a mass assignment operation, where the left hand side has tuple type and the right hand side does not, e.g. [a, b, c] = 5.0;, or a tuple ctor/dtor expression |
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[6eb8948] | 736 | class TupleAssignExpr : public Expression { |
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[3b58d91] | 737 | public: |
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[65cdc1e] | 738 | StmtExpr * stmtExpr = nullptr; |
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| 739 | |
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[bf4b4cf] | 740 | TupleAssignExpr( const std::list< Expression * > & assigns, const std::list< ObjectDecl * > & tempDecls ); |
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[5ded739] | 741 | TupleAssignExpr( const TupleAssignExpr & other ); |
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[6eb8948] | 742 | virtual ~TupleAssignExpr(); |
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[3b58d91] | 743 | |
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[d5556a3] | 744 | TupleAssignExpr * set_stmtExpr( StmtExpr * newValue ) { stmtExpr = newValue; return this; } |
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| 745 | StmtExpr * get_stmtExpr() const { return stmtExpr; } |
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[3b58d91] | 746 | |
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[7870799] | 747 | virtual TupleAssignExpr * clone() const override { return new TupleAssignExpr( * this ); } |
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| 748 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 749 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 750 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 751 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[20de6fb] | 752 | |
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| 753 | friend class ConverterNewToOld; |
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| 754 | private: |
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| 755 | TupleAssignExpr( StmtExpr * stmts ); |
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[3b58d91] | 756 | }; |
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| 757 | |
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[6eb8948] | 758 | /// StmtExpr represents a GCC 'statement expression', e.g. ({ int x = 5; x; }) |
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| 759 | class StmtExpr : public Expression { |
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| 760 | public: |
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[65cdc1e] | 761 | CompoundStmt * statements; |
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| 762 | std::list< ObjectDecl * > returnDecls; // return variable(s) for stmt expression |
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| 763 | std::list< Expression * > dtors; // destructor(s) for return variable(s) |
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| 764 | |
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[0e315a5] | 765 | // readonly |
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| 766 | ExprStmt * resultExpr = nullptr; |
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| 767 | |
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[5ded739] | 768 | StmtExpr( CompoundStmt * statements ); |
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[6eb8948] | 769 | StmtExpr( const StmtExpr & other ); |
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| 770 | virtual ~StmtExpr(); |
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[3b58d91] | 771 | |
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[5d00425] | 772 | bool get_lvalue() const final; |
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| 773 | |
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[6eb8948] | 774 | CompoundStmt * get_statements() const { return statements; } |
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| 775 | StmtExpr * set_statements( CompoundStmt * newValue ) { statements = newValue; return this; } |
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[3b58d91] | 776 | |
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[5e2c348] | 777 | // call to set the result type of this StmtExpr based on its body |
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| 778 | void computeResult(); |
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| 779 | |
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[d5556a3] | 780 | std::list< ObjectDecl * > & get_returnDecls() { return returnDecls; } |
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| 781 | std::list< Expression * > & get_dtors() { return dtors; } |
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| 782 | |
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[7870799] | 783 | virtual StmtExpr * clone() const override { return new StmtExpr( * this ); } |
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| 784 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 785 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 786 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 787 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[3b58d91] | 788 | }; |
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| 789 | |
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[3c13c03] | 790 | class UniqueExpr : public Expression { |
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| 791 | public: |
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[65cdc1e] | 792 | Expression * expr; |
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| 793 | ObjectDecl * object; |
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| 794 | VariableExpr * var; |
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| 795 | |
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[bf32bb8] | 796 | UniqueExpr( Expression * expr, long long idVal = -1 ); |
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[3c13c03] | 797 | UniqueExpr( const UniqueExpr & other ); |
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| 798 | ~UniqueExpr(); |
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| 799 | |
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[141b786] | 800 | Expression * get_expr() const { return expr; } |
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| 801 | UniqueExpr * set_expr( Expression * newValue ) { expr = newValue; return this; } |
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[3c13c03] | 802 | |
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[141b786] | 803 | ObjectDecl * get_object() const { return object; } |
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| 804 | UniqueExpr * set_object( ObjectDecl * newValue ) { object = newValue; return this; } |
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| 805 | |
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| 806 | VariableExpr * get_var() const { return var; } |
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| 807 | UniqueExpr * set_var( VariableExpr * newValue ) { var = newValue; return this; } |
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[77971f6] | 808 | |
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[bf32bb8] | 809 | int get_id() const { return id; } |
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| 810 | |
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[7870799] | 811 | virtual UniqueExpr * clone() const override { return new UniqueExpr( * this ); } |
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| 812 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 813 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 814 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 815 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[65cdc1e] | 816 | |
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[3c13c03] | 817 | private: |
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[bf32bb8] | 818 | int id; |
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| 819 | static long long count; |
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[3c13c03] | 820 | }; |
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| 821 | |
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[e4d829b] | 822 | struct InitAlternative { |
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| 823 | public: |
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| 824 | Type * type = nullptr; |
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| 825 | Designation * designation = nullptr; |
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| 826 | InitAlternative( Type * type, Designation * designation ); |
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| 827 | InitAlternative( const InitAlternative & other ); |
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| 828 | InitAlternative & operator=( const Initializer & other ) = delete; // at the moment this isn't used, and I don't want to implement it |
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| 829 | ~InitAlternative(); |
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| 830 | }; |
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| 831 | |
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| 832 | class UntypedInitExpr : public Expression { |
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| 833 | public: |
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[65cdc1e] | 834 | Expression * expr; |
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| 835 | std::list<InitAlternative> initAlts; |
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| 836 | |
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[e4d829b] | 837 | UntypedInitExpr( Expression * expr, const std::list<InitAlternative> & initAlts ); |
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| 838 | UntypedInitExpr( const UntypedInitExpr & other ); |
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| 839 | ~UntypedInitExpr(); |
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| 840 | |
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| 841 | Expression * get_expr() const { return expr; } |
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| 842 | UntypedInitExpr * set_expr( Expression * newValue ) { expr = newValue; return this; } |
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| 843 | |
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| 844 | std::list<InitAlternative> & get_initAlts() { return initAlts; } |
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| 845 | |
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[7870799] | 846 | virtual UntypedInitExpr * clone() const override { return new UntypedInitExpr( * this ); } |
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| 847 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 848 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 849 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 850 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[e4d829b] | 851 | }; |
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| 852 | |
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| 853 | class InitExpr : public Expression { |
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| 854 | public: |
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[65cdc1e] | 855 | Expression * expr; |
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| 856 | Designation * designation; |
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| 857 | |
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[62423350] | 858 | InitExpr( Expression * expr, Designation * designation ); |
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[e4d829b] | 859 | InitExpr( const InitExpr & other ); |
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| 860 | ~InitExpr(); |
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| 861 | |
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| 862 | Expression * get_expr() const { return expr; } |
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| 863 | InitExpr * set_expr( Expression * newValue ) { expr = newValue; return this; } |
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| 864 | |
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| 865 | Designation * get_designation() const { return designation; } |
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| 866 | InitExpr * set_designation( Designation * newValue ) { designation = newValue; return this; } |
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| 867 | |
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[7870799] | 868 | virtual InitExpr * clone() const override { return new InitExpr( * this ); } |
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| 869 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 870 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 871 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 872 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[e4d829b] | 873 | }; |
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| 874 | |
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[44b4114] | 875 | /// expression that contains a deleted identifier - should never make it past the resolver. |
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| 876 | class DeletedExpr : public Expression { |
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| 877 | public: |
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| 878 | Expression * expr; |
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[e67991f] | 879 | Declaration * deleteStmt; |
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[44b4114] | 880 | |
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[e67991f] | 881 | DeletedExpr( Expression * expr, Declaration * deleteStmt ); |
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[44b4114] | 882 | DeletedExpr( const DeletedExpr & other ); |
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| 883 | ~DeletedExpr(); |
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| 884 | |
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[7870799] | 885 | virtual DeletedExpr * clone() const override { return new DeletedExpr( * this ); } |
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| 886 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 887 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 888 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 889 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[44b4114] | 890 | }; |
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| 891 | |
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[0f79853] | 892 | /// expression wrapping the use of a default argument - should never make it past the resolver. |
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| 893 | class DefaultArgExpr : public Expression { |
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| 894 | public: |
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| 895 | Expression * expr; |
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| 896 | |
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| 897 | DefaultArgExpr( Expression * expr ); |
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| 898 | DefaultArgExpr( const DefaultArgExpr & other ); |
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| 899 | ~DefaultArgExpr(); |
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| 900 | |
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[7870799] | 901 | virtual DefaultArgExpr * clone() const override { return new DefaultArgExpr( * this ); } |
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| 902 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 903 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 904 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 905 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[0f79853] | 906 | }; |
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| 907 | |
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[d807ca28] | 908 | /// C11 _Generic expression |
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| 909 | class GenericExpr : public Expression { |
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| 910 | public: |
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| 911 | struct Association { |
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| 912 | Type * type = nullptr; |
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| 913 | Expression * expr = nullptr; |
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| 914 | bool isDefault = false; |
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| 915 | |
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| 916 | Association( Type * type, Expression * expr ); |
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| 917 | Association( Expression * expr ); |
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| 918 | Association( const Association & other ); |
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| 919 | Association & operator=( const Association & other ) = delete; // at the moment this isn't used, and I don't want to implement it |
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| 920 | ~Association(); |
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| 921 | }; |
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| 922 | |
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| 923 | Expression * control; |
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| 924 | std::list<Association> associations; |
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| 925 | |
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| 926 | GenericExpr( Expression * control, const std::list<Association> & assoc ); |
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| 927 | GenericExpr( const GenericExpr & other ); |
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| 928 | virtual ~GenericExpr(); |
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| 929 | |
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[7870799] | 930 | virtual GenericExpr * clone() const override { return new GenericExpr( * this ); } |
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| 931 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 932 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 933 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 934 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[d807ca28] | 935 | }; |
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| 936 | |
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[0dd3a2f] | 937 | // Local Variables: // |
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| 938 | // tab-width: 4 // |
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| 939 | // mode: c++ // |
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| 940 | // compile-command: "make install" // |
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| 941 | // End: // |
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