[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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[312029a] | 11 | // Last Modified By : Peter A. Buhr |
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| 12 | // Last Modified On : Wed Dec 11 16:50:19 2019 |
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| 13 | // Update Count : 60 |
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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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[312029a] | 30 | #include "Declaration.h" // for Aggregate |
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[ea6332d] | 31 | #include "SynTree.h" // for UniqueId |
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| 32 | #include "Visitor.h" // for Visitor |
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[294647b] | 33 | |
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[51b7345] | 34 | |
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[df626eb] | 35 | struct ParamEntry; |
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| 36 | |
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| 37 | typedef std::map< UniqueId, ParamEntry > InferredParams; |
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| 38 | |
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| 39 | /// ParamEntry contains the i.d. of a declaration and a type that is derived from that declaration, |
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| 40 | /// but subject to decay-to-pointer and type parameter renaming |
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| 41 | struct ParamEntry { |
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[462a7c7] | 42 | ParamEntry(): decl( 0 ), declptr( nullptr ), actualType( nullptr ), formalType( nullptr ), expr( nullptr ) {} |
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| 43 | ParamEntry( UniqueId decl, Declaration * declptr, Type * actualType, Type * formalType, Expression* expr ); |
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[df626eb] | 44 | ParamEntry( const ParamEntry & other ); |
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[4d6d62e] | 45 | ParamEntry( ParamEntry && other ); |
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[df626eb] | 46 | ~ParamEntry(); |
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[4d6d62e] | 47 | ParamEntry & operator=( ParamEntry && other ); |
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[df626eb] | 48 | |
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[aaeacf4] | 49 | UniqueId const decl; |
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| 50 | Declaration * const declptr; |
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| 51 | Type * const actualType; |
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| 52 | Type * const formalType; |
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[df626eb] | 53 | Expression * expr; |
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| 54 | }; |
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| 55 | |
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[47534159] | 56 | /// Expression is the root type for all expressions |
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[df626eb] | 57 | class Expression : public BaseSyntaxNode { |
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[0dd3a2f] | 58 | public: |
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[65cdc1e] | 59 | Type * result; |
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| 60 | TypeSubstitution * env; |
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| 61 | bool extension = false; |
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[0b00df0] | 62 | InferredParams inferParams; ///< Post-resolution inferred parameter slots |
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| 63 | std::vector<UniqueId> resnSlots; ///< Pre-resolution inferred parameter slots |
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[0e315a5] | 64 | |
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[0b00df0] | 65 | // xxx - should turn inferParams+resnSlots into a union to save some memory |
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[65cdc1e] | 66 | |
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[bf4b4cf] | 67 | Expression(); |
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[5ded739] | 68 | Expression( const Expression & other ); |
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[0dd3a2f] | 69 | virtual ~Expression(); |
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| 70 | |
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[906e24d] | 71 | Type *& get_result() { return result; } |
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[fbcde64] | 72 | const Type * get_result() const { return result; } |
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[5ded739] | 73 | void set_result( Type * newValue ) { result = newValue; } |
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[14388c1] | 74 | virtual bool get_lvalue() const; |
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[0dd3a2f] | 75 | |
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[5ded739] | 76 | TypeSubstitution * get_env() const { return env; } |
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| 77 | void set_env( TypeSubstitution * newValue ) { env = newValue; } |
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[e04ef3a] | 78 | bool get_extension() const { return extension; } |
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[8e9cbb2] | 79 | Expression * set_extension( bool exten ) { extension = exten; return this; } |
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[0dd3a2f] | 80 | |
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[cdb990a] | 81 | // move other's inferParams to this |
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| 82 | void spliceInferParams( Expression * other ); |
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| 83 | |
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[fa16264] | 84 | virtual Expression * clone() const override = 0; |
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| 85 | virtual void accept( Visitor & v ) override = 0; |
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[7870799] | 86 | virtual void accept( Visitor & v ) const override = 0; |
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[fa16264] | 87 | virtual Expression * acceptMutator( Mutator & m ) override = 0; |
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[50377a4] | 88 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 89 | }; |
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| 90 | |
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[9706554] | 91 | /// ApplicationExpr represents the application of a function to a set of parameters. This is the result of running an |
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| 92 | /// UntypedExpr through the expression analyzer. |
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[0dd3a2f] | 93 | class ApplicationExpr : public Expression { |
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| 94 | public: |
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[65cdc1e] | 95 | Expression * function; |
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[871cdb4] | 96 | std::list<Expression *> args; |
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[65cdc1e] | 97 | |
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[a5f0529] | 98 | ApplicationExpr( Expression * function, const std::list<Expression *> & args = std::list< Expression * >() ); |
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[5ded739] | 99 | ApplicationExpr( const ApplicationExpr & other ); |
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[0dd3a2f] | 100 | virtual ~ApplicationExpr(); |
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| 101 | |
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[14388c1] | 102 | bool get_lvalue() const final; |
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| 103 | |
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[5ded739] | 104 | Expression * get_function() const { return function; } |
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| 105 | void set_function( Expression * newValue ) { function = newValue; } |
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[0dd3a2f] | 106 | std::list<Expression *>& get_args() { return args; } |
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| 107 | |
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[7870799] | 108 | virtual ApplicationExpr * clone() const override { return new ApplicationExpr( * this ); } |
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| 109 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 110 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 111 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 112 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 113 | }; |
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| 114 | |
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[9706554] | 115 | /// UntypedExpr represents the application of a function to a set of parameters, but where the particular overload for |
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| 116 | /// the function name has not yet been determined. Most operators are converted into functional form automatically, to |
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| 117 | /// permit operator overloading. |
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[0dd3a2f] | 118 | class UntypedExpr : public Expression { |
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| 119 | public: |
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[65cdc1e] | 120 | Expression * function; |
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| 121 | std::list<Expression*> args; |
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| 122 | |
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[bf4b4cf] | 123 | UntypedExpr( Expression * function, const std::list<Expression *> & args = std::list< Expression * >() ); |
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[5ded739] | 124 | UntypedExpr( const UntypedExpr & other ); |
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[0dd3a2f] | 125 | virtual ~UntypedExpr(); |
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| 126 | |
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[14388c1] | 127 | bool get_lvalue() const final; |
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| 128 | |
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[5ded739] | 129 | Expression * get_function() const { return function; } |
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| 130 | void set_function( Expression * newValue ) { function = newValue; } |
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[0dd3a2f] | 131 | |
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| 132 | std::list<Expression*>::iterator begin_args() { return args.begin(); } |
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| 133 | std::list<Expression*>::iterator end_args() { return args.end(); } |
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| 134 | std::list<Expression*>& get_args() { return args; } |
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| 135 | |
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[b3b2077] | 136 | static UntypedExpr * createDeref( Expression * arg ); |
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| 137 | static UntypedExpr * createAssign( Expression * arg1, Expression * arg2 ); |
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| 138 | |
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[7870799] | 139 | virtual UntypedExpr * clone() const override { return new UntypedExpr( * this ); } |
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| 140 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 141 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 142 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 143 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 144 | }; |
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| 145 | |
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[47534159] | 146 | /// NameExpr contains a name whose meaning is still not determined |
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[0dd3a2f] | 147 | class NameExpr : public Expression { |
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| 148 | public: |
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[65cdc1e] | 149 | std::string name; |
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| 150 | |
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[bf4b4cf] | 151 | NameExpr( std::string name ); |
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[5ded739] | 152 | NameExpr( const NameExpr & other ); |
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[0dd3a2f] | 153 | virtual ~NameExpr(); |
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| 154 | |
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[5ded739] | 155 | const std::string & get_name() const { return name; } |
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[0dd3a2f] | 156 | void set_name( std::string newValue ) { name = newValue; } |
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| 157 | |
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[7870799] | 158 | virtual NameExpr * clone() const override { return new NameExpr( * this ); } |
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| 159 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 160 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 161 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 162 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 163 | }; |
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| 164 | |
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[bbf17d5] | 165 | // [Qualifier].name; Qualifier is the type_name from the parser |
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| 166 | class QualifiedNameExpr : public Expression { |
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| 167 | public: |
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[b0d9ff7] | 168 | Declaration * type_decl; |
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| 169 | std::string name; |
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[bbf17d5] | 170 | |
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[b0d9ff7] | 171 | QualifiedNameExpr( Declaration * decl, std::string name): Expression(), type_decl(decl), name(name) {} |
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[5408b59] | 172 | QualifiedNameExpr( const QualifiedNameExpr & other): Expression(other), type_decl(other.type_decl), name(other.name) {} |
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[bbf17d5] | 173 | |
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| 174 | virtual ~QualifiedNameExpr() { |
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[b0d9ff7] | 175 | delete type_decl; |
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[bbf17d5] | 176 | } |
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| 177 | |
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| 178 | virtual QualifiedNameExpr * clone() const override { |
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| 179 | return new QualifiedNameExpr( * this ); |
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| 180 | } |
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[b0d9ff7] | 181 | virtual void accept( Visitor & v ) override { v.visit(this); } |
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| 182 | virtual void accept( Visitor & v ) const override { v.visit(this); } |
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| 183 | virtual Expression * acceptMutator( Mutator & m ) override { |
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| 184 | return m.mutate( this ); |
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| 185 | } |
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| 186 | |
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[bbf17d5] | 187 | virtual void print( std::ostream & os, Indenter indent = {} ) const override { |
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[b0d9ff7] | 188 | type_decl->print( os, indent ); |
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| 189 | os << name << std::endl; |
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[bbf17d5] | 190 | } |
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| 191 | }; |
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| 192 | |
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[d5631b3] | 193 | /// VariableExpr represents an expression that simply refers to the value of a named variable. |
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| 194 | /// Does not take ownership of var. |
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| 195 | class VariableExpr : public Expression { |
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| 196 | public: |
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| 197 | DeclarationWithType * var; |
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| 198 | |
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| 199 | VariableExpr(); |
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| 200 | VariableExpr( DeclarationWithType * var ); |
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| 201 | VariableExpr( const VariableExpr & other ); |
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| 202 | virtual ~VariableExpr(); |
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| 203 | |
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| 204 | bool get_lvalue() const final; |
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| 205 | |
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| 206 | DeclarationWithType * get_var() const { return var; } |
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| 207 | void set_var( DeclarationWithType * newValue ) { var = newValue; } |
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| 208 | |
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| 209 | static VariableExpr * functionPointer( FunctionDecl * decl ); |
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| 210 | |
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| 211 | virtual VariableExpr * clone() const override { return new VariableExpr( * this ); } |
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| 212 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 213 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 214 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 215 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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| 216 | }; |
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| 217 | |
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[51b7345] | 218 | // The following classes are used to represent expression types that cannot be converted into |
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| 219 | // function-call format. |
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| 220 | |
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[5ded739] | 221 | /// AddressExpr represents a address-of expression, e.g. & e |
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[0dd3a2f] | 222 | class AddressExpr : public Expression { |
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| 223 | public: |
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[65cdc1e] | 224 | Expression * arg; |
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| 225 | |
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[bf4b4cf] | 226 | AddressExpr( Expression * arg ); |
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[5ded739] | 227 | AddressExpr( const AddressExpr & other ); |
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[0dd3a2f] | 228 | virtual ~AddressExpr(); |
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| 229 | |
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[5ded739] | 230 | Expression * get_arg() const { return arg; } |
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| 231 | void set_arg(Expression * newValue ) { arg = newValue; } |
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[0dd3a2f] | 232 | |
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[7870799] | 233 | virtual AddressExpr * clone() const override { return new AddressExpr( * this ); } |
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| 234 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 235 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 236 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 237 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 238 | }; |
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| 239 | |
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[5809461] | 240 | // GCC &&label |
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| 241 | // https://gcc.gnu.org/onlinedocs/gcc-3.4.2/gcc/Labels-as-Values.html |
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[0dd3a2f] | 242 | class LabelAddressExpr : public Expression { |
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| 243 | public: |
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[5809461] | 244 | Label arg; |
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[65cdc1e] | 245 | |
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[5809461] | 246 | LabelAddressExpr( const Label &arg ); |
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[5ded739] | 247 | LabelAddressExpr( const LabelAddressExpr & other ); |
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[0dd3a2f] | 248 | virtual ~LabelAddressExpr(); |
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| 249 | |
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[7870799] | 250 | virtual LabelAddressExpr * clone() const override { return new LabelAddressExpr( * this ); } |
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| 251 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 252 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 253 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 254 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 255 | }; |
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| 256 | |
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[47534159] | 257 | /// CastExpr represents a type cast expression, e.g. (int)e |
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[0dd3a2f] | 258 | class CastExpr : public Expression { |
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| 259 | public: |
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[65cdc1e] | 260 | Expression * arg; |
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[b81fd95] | 261 | |
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| 262 | // Inidicates cast is introduced by the CFA type system. |
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| 263 | // true for casts that the resolver introduces to force a return type |
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| 264 | // false for casts from user code |
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| 265 | // false for casts from desugaring advanced CFA features into simpler CFA |
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| 266 | // example |
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| 267 | // int * p; // declaration |
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| 268 | // (float *) p; // use, with subject cast |
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| 269 | // subject cast isGenerated means we are considering an interpretation with a type mismatch |
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| 270 | // subject cast not isGenerated means someone in charge wants it that way |
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| 271 | bool isGenerated = true; |
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[65cdc1e] | 272 | |
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[c0bf94e] | 273 | CastExpr( Expression * arg, bool isGenerated = true ); |
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| 274 | CastExpr( Expression * arg, Type * toType, bool isGenerated = true ); |
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[9a705dc8] | 275 | CastExpr( Expression * arg, void * ) = delete; // prevent accidentally passing pointers for isGenerated in the first constructor |
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[5ded739] | 276 | CastExpr( const CastExpr & other ); |
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[0dd3a2f] | 277 | virtual ~CastExpr(); |
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| 278 | |
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[14388c1] | 279 | bool get_lvalue() const final; |
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| 280 | |
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[5ded739] | 281 | Expression * get_arg() const { return arg; } |
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[a5f0529] | 282 | void set_arg( Expression * newValue ) { arg = newValue; } |
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[0dd3a2f] | 283 | |
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[7870799] | 284 | virtual CastExpr * clone() const override { return new CastExpr( * 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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[9a705dc8] | 291 | /// KeywordCastExpr represents a cast to 'keyword types', e.g. (thread &)t |
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| 292 | class KeywordCastExpr : public Expression { |
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| 293 | public: |
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| 294 | Expression * arg; |
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[3b0c8cb] | 295 | struct Concrete { |
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| 296 | std::string field; |
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| 297 | std::string getter; |
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| 298 | }; |
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[312029a] | 299 | AggregateDecl::Aggregate target; |
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[3b0c8cb] | 300 | Concrete concrete_target; |
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[9a705dc8] | 301 | |
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[312029a] | 302 | KeywordCastExpr( Expression * arg, AggregateDecl::Aggregate target ); |
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[4ef08f7] | 303 | KeywordCastExpr( Expression * arg, AggregateDecl::Aggregate target, const Concrete & concrete_target ); |
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[9a705dc8] | 304 | KeywordCastExpr( const KeywordCastExpr & other ); |
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| 305 | virtual ~KeywordCastExpr(); |
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| 306 | |
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[312029a] | 307 | const char * targetString() const; |
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[9a705dc8] | 308 | |
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[7870799] | 309 | virtual KeywordCastExpr * clone() const override { return new KeywordCastExpr( * 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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[9a705dc8] | 314 | }; |
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| 315 | |
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[a5f0529] | 316 | /// VirtualCastExpr repersents a virtual dynamic cast, e.g. (virtual exception)e |
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| 317 | class VirtualCastExpr : public Expression { |
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| 318 | public: |
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[5ded739] | 319 | Expression * arg; |
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[65cdc1e] | 320 | |
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[a5f0529] | 321 | VirtualCastExpr( Expression * arg, Type * toType ); |
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| 322 | VirtualCastExpr( const VirtualCastExpr & other ); |
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| 323 | virtual ~VirtualCastExpr(); |
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| 324 | |
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| 325 | Expression * get_arg() const { return arg; } |
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| 326 | void set_arg( Expression * newValue ) { arg = newValue; } |
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| 327 | |
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[7870799] | 328 | virtual VirtualCastExpr * clone() const override { return new VirtualCastExpr( * this ); } |
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| 329 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 330 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 331 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 332 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 333 | }; |
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| 334 | |
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[47534159] | 335 | /// UntypedMemberExpr represents a member selection operation, e.g. q.p before processing by the expression analyzer |
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[0dd3a2f] | 336 | class UntypedMemberExpr : public Expression { |
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| 337 | public: |
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[65cdc1e] | 338 | Expression * member; |
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| 339 | Expression * aggregate; |
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| 340 | |
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[bf4b4cf] | 341 | UntypedMemberExpr( Expression * member, Expression * aggregate ); |
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[5ded739] | 342 | UntypedMemberExpr( const UntypedMemberExpr & other ); |
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[0dd3a2f] | 343 | virtual ~UntypedMemberExpr(); |
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| 344 | |
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[849720f] | 345 | bool get_lvalue() const final; |
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| 346 | |
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[3b58d91] | 347 | Expression * get_member() const { return member; } |
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| 348 | void set_member( Expression * newValue ) { member = newValue; } |
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[5ded739] | 349 | Expression * get_aggregate() const { return aggregate; } |
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| 350 | void set_aggregate( Expression * newValue ) { aggregate = newValue; } |
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[0dd3a2f] | 351 | |
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[7870799] | 352 | virtual UntypedMemberExpr * clone() const override { return new UntypedMemberExpr( * this ); } |
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| 353 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 354 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 355 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 356 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 357 | }; |
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| 358 | |
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[4551a6e] | 359 | /// MemberExpr represents a member selection operation, e.g. q.p after processing by the expression analyzer. |
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| 360 | /// Does not take ownership of member. |
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[0dd3a2f] | 361 | class MemberExpr : public Expression { |
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| 362 | public: |
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[65cdc1e] | 363 | DeclarationWithType * member; |
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| 364 | Expression * aggregate; |
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| 365 | |
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[bf4b4cf] | 366 | MemberExpr( DeclarationWithType * member, Expression * aggregate ); |
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[5ded739] | 367 | MemberExpr( const MemberExpr & other ); |
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[0dd3a2f] | 368 | virtual ~MemberExpr(); |
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| 369 | |
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[14388c1] | 370 | bool get_lvalue() const final; |
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| 371 | |
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[5ded739] | 372 | DeclarationWithType * get_member() const { return member; } |
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| 373 | void set_member( DeclarationWithType * newValue ) { member = newValue; } |
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| 374 | Expression * get_aggregate() const { return aggregate; } |
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| 375 | void set_aggregate( Expression * newValue ) { aggregate = newValue; } |
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[0dd3a2f] | 376 | |
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[7870799] | 377 | virtual MemberExpr * clone() const override { return new MemberExpr( * this ); } |
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| 378 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 379 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 380 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 381 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 382 | }; |
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| 383 | |
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[3be261a] | 384 | /// ConstantExpr represents an expression that simply refers to the value of a constant |
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[0dd3a2f] | 385 | class ConstantExpr : public Expression { |
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| 386 | public: |
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[65cdc1e] | 387 | Constant constant; |
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| 388 | |
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[bf4b4cf] | 389 | ConstantExpr( Constant constant ); |
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[5ded739] | 390 | ConstantExpr( const ConstantExpr & other ); |
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[0dd3a2f] | 391 | virtual ~ConstantExpr(); |
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| 392 | |
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[5ded739] | 393 | Constant * get_constant() { return & constant; } |
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[ddb80bd] | 394 | const Constant * get_constant() const { return & constant; } |
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[5ded739] | 395 | void set_constant( const Constant & newValue ) { constant = newValue; } |
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[0dd3a2f] | 396 | |
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[ddb80bd] | 397 | long long int intValue() const; |
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| 398 | |
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[7870799] | 399 | virtual ConstantExpr * clone() const override { return new ConstantExpr( * this ); } |
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| 400 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 401 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 402 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 403 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 404 | }; |
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| 405 | |
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[47534159] | 406 | /// SizeofExpr represents a sizeof expression (could be sizeof(int) or sizeof 3+4) |
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[0dd3a2f] | 407 | class SizeofExpr : public Expression { |
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| 408 | public: |
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[65cdc1e] | 409 | Expression * expr; |
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| 410 | Type * type; |
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| 411 | bool isType; |
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| 412 | |
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[bf4b4cf] | 413 | SizeofExpr( Expression * expr ); |
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[5ded739] | 414 | SizeofExpr( const SizeofExpr & other ); |
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[bf4b4cf] | 415 | SizeofExpr( Type * type ); |
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[0dd3a2f] | 416 | virtual ~SizeofExpr(); |
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| 417 | |
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[5ded739] | 418 | Expression * get_expr() const { return expr; } |
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| 419 | void set_expr( Expression * newValue ) { expr = newValue; } |
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| 420 | Type * get_type() const { return type; } |
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| 421 | void set_type( Type * newValue ) { type = newValue; } |
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[0dd3a2f] | 422 | bool get_isType() const { return isType; } |
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| 423 | void set_isType( bool newValue ) { isType = newValue; } |
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| 424 | |
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[7870799] | 425 | virtual SizeofExpr * clone() const override { return new SizeofExpr( * this ); } |
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| 426 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 427 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 428 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 429 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 430 | }; |
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| 431 | |
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[47534159] | 432 | /// AlignofExpr represents an alignof expression |
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| 433 | class AlignofExpr : public Expression { |
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| 434 | public: |
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[65cdc1e] | 435 | Expression * expr; |
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| 436 | Type * type; |
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| 437 | bool isType; |
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| 438 | |
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[bf4b4cf] | 439 | AlignofExpr( Expression * expr ); |
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[5ded739] | 440 | AlignofExpr( const AlignofExpr & other ); |
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[bf4b4cf] | 441 | AlignofExpr( Type * type ); |
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[47534159] | 442 | virtual ~AlignofExpr(); |
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| 443 | |
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[5ded739] | 444 | Expression * get_expr() const { return expr; } |
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| 445 | void set_expr( Expression * newValue ) { expr = newValue; } |
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| 446 | Type * get_type() const { return type; } |
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| 447 | void set_type( Type * newValue ) { type = newValue; } |
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[47534159] | 448 | bool get_isType() const { return isType; } |
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| 449 | void set_isType( bool newValue ) { isType = newValue; } |
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| 450 | |
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[7870799] | 451 | virtual AlignofExpr * clone() const override { return new AlignofExpr( * this ); } |
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| 452 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 453 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 454 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 455 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[47534159] | 456 | }; |
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| 457 | |
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[2a4b088] | 458 | /// UntypedOffsetofExpr represents an offsetof expression before resolution |
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| 459 | class UntypedOffsetofExpr : public Expression { |
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| 460 | public: |
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[65cdc1e] | 461 | Type * type; |
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| 462 | std::string member; |
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| 463 | |
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[bf4b4cf] | 464 | UntypedOffsetofExpr( Type * type, const std::string & member ); |
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[5ded739] | 465 | UntypedOffsetofExpr( const UntypedOffsetofExpr & other ); |
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[2a4b088] | 466 | virtual ~UntypedOffsetofExpr(); |
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| 467 | |
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| 468 | std::string get_member() const { return member; } |
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[5ded739] | 469 | void set_member( const std::string & newValue ) { member = newValue; } |
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| 470 | Type * get_type() const { return type; } |
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| 471 | void set_type( Type * newValue ) { type = newValue; } |
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| 472 | |
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[7870799] | 473 | virtual UntypedOffsetofExpr * clone() const override { return new UntypedOffsetofExpr( * this ); } |
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| 474 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 475 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 476 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 477 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[2a4b088] | 478 | }; |
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| 479 | |
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[25a054f] | 480 | /// OffsetofExpr represents an offsetof expression |
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| 481 | class OffsetofExpr : public Expression { |
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| 482 | public: |
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[65cdc1e] | 483 | Type * type; |
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| 484 | DeclarationWithType * member; |
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| 485 | |
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[bf4b4cf] | 486 | OffsetofExpr( Type * type, DeclarationWithType * member ); |
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[5ded739] | 487 | OffsetofExpr( const OffsetofExpr & other ); |
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[25a054f] | 488 | virtual ~OffsetofExpr(); |
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| 489 | |
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[5ded739] | 490 | Type * get_type() const { return type; } |
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| 491 | void set_type( Type * newValue ) { type = newValue; } |
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| 492 | DeclarationWithType * get_member() const { return member; } |
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| 493 | void set_member( DeclarationWithType * newValue ) { member = newValue; } |
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| 494 | |
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[7870799] | 495 | virtual OffsetofExpr * clone() const override { return new OffsetofExpr( * this ); } |
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| 496 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 497 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 498 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 499 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[25a054f] | 500 | }; |
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| 501 | |
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[afc1045] | 502 | /// Expression representing a pack of field-offsets for a generic type |
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| 503 | class OffsetPackExpr : public Expression { |
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| 504 | public: |
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[65cdc1e] | 505 | StructInstType * type; |
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| 506 | |
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[bf4b4cf] | 507 | OffsetPackExpr( StructInstType * type ); |
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[5ded739] | 508 | OffsetPackExpr( const OffsetPackExpr & other ); |
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[afc1045] | 509 | virtual ~OffsetPackExpr(); |
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| 510 | |
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[5ded739] | 511 | StructInstType * get_type() const { return type; } |
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| 512 | void set_type( StructInstType * newValue ) { type = newValue; } |
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[afc1045] | 513 | |
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[7870799] | 514 | virtual OffsetPackExpr * clone() const override { return new OffsetPackExpr( * this ); } |
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| 515 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 516 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 517 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 518 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[afc1045] | 519 | }; |
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| 520 | |
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[47534159] | 521 | /// LogicalExpr represents a short-circuit boolean expression (&& or ||) |
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[0dd3a2f] | 522 | class LogicalExpr : public Expression { |
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| 523 | public: |
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[65cdc1e] | 524 | Expression * arg1; |
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| 525 | Expression * arg2; |
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| 526 | |
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[bf4b4cf] | 527 | LogicalExpr( Expression * arg1, Expression * arg2, bool andp = true ); |
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[5ded739] | 528 | LogicalExpr( const LogicalExpr & other ); |
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[0dd3a2f] | 529 | virtual ~LogicalExpr(); |
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| 530 | |
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| 531 | bool get_isAnd() const { return isAnd; } |
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[5ded739] | 532 | Expression * get_arg1() { return arg1; } |
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| 533 | void set_arg1( Expression * newValue ) { arg1 = newValue; } |
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| 534 | Expression * get_arg2() const { return arg2; } |
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| 535 | void set_arg2( Expression * newValue ) { arg2 = newValue; } |
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| 536 | |
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[7870799] | 537 | virtual LogicalExpr * clone() const override { return new LogicalExpr( * this ); } |
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| 538 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 539 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 540 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 541 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[65cdc1e] | 542 | |
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[0dd3a2f] | 543 | private: |
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| 544 | bool isAnd; |
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[51b7345] | 545 | }; |
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| 546 | |
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[47534159] | 547 | /// ConditionalExpr represents the three-argument conditional ( p ? a : b ) |
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[0dd3a2f] | 548 | class ConditionalExpr : public Expression { |
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| 549 | public: |
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[65cdc1e] | 550 | Expression * arg1; |
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| 551 | Expression * arg2; |
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| 552 | Expression * arg3; |
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| 553 | |
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[bf4b4cf] | 554 | ConditionalExpr( Expression * arg1, Expression * arg2, Expression * arg3 ); |
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[5ded739] | 555 | ConditionalExpr( const ConditionalExpr & other ); |
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[0dd3a2f] | 556 | virtual ~ConditionalExpr(); |
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| 557 | |
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[14388c1] | 558 | bool get_lvalue() const final; |
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| 559 | |
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[5ded739] | 560 | Expression * get_arg1() const { return arg1; } |
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| 561 | void set_arg1( Expression * newValue ) { arg1 = newValue; } |
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| 562 | Expression * get_arg2() const { return arg2; } |
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| 563 | void set_arg2( Expression * newValue ) { arg2 = newValue; } |
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| 564 | Expression * get_arg3() const { return arg3; } |
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| 565 | void set_arg3( Expression * newValue ) { arg3 = newValue; } |
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| 566 | |
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[7870799] | 567 | virtual ConditionalExpr * clone() const override { return new ConditionalExpr( * 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 ); } |
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| 571 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 572 | }; |
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| 573 | |
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[47534159] | 574 | /// CommaExpr represents the sequence operator ( a, b ) |
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[0dd3a2f] | 575 | class CommaExpr : public Expression { |
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| 576 | public: |
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[65cdc1e] | 577 | Expression * arg1; |
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| 578 | Expression * arg2; |
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| 579 | |
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[bf4b4cf] | 580 | CommaExpr( Expression * arg1, Expression * arg2 ); |
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[5ded739] | 581 | CommaExpr( const CommaExpr & other ); |
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[0dd3a2f] | 582 | virtual ~CommaExpr(); |
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| 583 | |
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[14388c1] | 584 | bool get_lvalue() const final; |
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| 585 | |
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[5ded739] | 586 | Expression * get_arg1() const { return arg1; } |
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| 587 | void set_arg1( Expression * newValue ) { arg1 = newValue; } |
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| 588 | Expression * get_arg2() const { return arg2; } |
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| 589 | void set_arg2( Expression * newValue ) { arg2 = newValue; } |
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[0dd3a2f] | 590 | |
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[7870799] | 591 | virtual CommaExpr * clone() const override { return new CommaExpr( * this ); } |
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| 592 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 593 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 594 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 595 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[51b7345] | 596 | }; |
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| 597 | |
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[47534159] | 598 | /// TypeExpr represents a type used in an expression (e.g. as a type generator parameter) |
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[0dd3a2f] | 599 | class TypeExpr : public Expression { |
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| 600 | public: |
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[65cdc1e] | 601 | Type * type; |
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| 602 | |
---|
[5ded739] | 603 | TypeExpr( Type * type ); |
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| 604 | TypeExpr( const TypeExpr & other ); |
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[0dd3a2f] | 605 | virtual ~TypeExpr(); |
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| 606 | |
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[5ded739] | 607 | Type * get_type() const { return type; } |
---|
| 608 | void set_type( Type * newValue ) { type = newValue; } |
---|
[0dd3a2f] | 609 | |
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[7870799] | 610 | virtual TypeExpr * clone() const override { return new TypeExpr( * this ); } |
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| 611 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 612 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
---|
| 613 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
---|
[6e50a6b] | 614 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
---|
| 615 | }; |
---|
| 616 | |
---|
| 617 | /// DimensionExpr represents a type-system provided value used in an expression ( forrall([N]) ... N + 1 ) |
---|
| 618 | class DimensionExpr : public Expression { |
---|
| 619 | public: |
---|
| 620 | std::string name; |
---|
| 621 | |
---|
| 622 | DimensionExpr( std::string name ); |
---|
| 623 | DimensionExpr( const DimensionExpr & other ); |
---|
| 624 | virtual ~DimensionExpr(); |
---|
| 625 | |
---|
| 626 | const std::string & get_name() const { return name; } |
---|
| 627 | void set_name( std::string newValue ) { name = newValue; } |
---|
| 628 | |
---|
| 629 | virtual DimensionExpr * clone() const override { return new DimensionExpr( * this ); } |
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| 630 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
---|
| 631 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
---|
| 632 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
---|
[7870799] | 633 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
---|
[51b7345] | 634 | }; |
---|
| 635 | |
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[47534159] | 636 | /// AsmExpr represents a GCC 'asm constraint operand' used in an asm statement: [output] "=f" (result) |
---|
[7f5566b] | 637 | class AsmExpr : public Expression { |
---|
| 638 | public: |
---|
[665f432] | 639 | std::string inout; |
---|
[e612146c] | 640 | Expression * constraint; |
---|
[65cdc1e] | 641 | Expression * operand; |
---|
| 642 | |
---|
[665f432] | 643 | AsmExpr( const std::string * _inout, Expression * constraint, Expression * operand ) : inout( _inout ? *_inout : "" ), constraint( constraint ), operand( operand ) { delete _inout; } |
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[3be261a] | 644 | AsmExpr( const AsmExpr & other ); |
---|
[665f432] | 645 | virtual ~AsmExpr() { delete constraint; delete operand; }; |
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[7f5566b] | 646 | |
---|
[7870799] | 647 | virtual AsmExpr * clone() const override { return new AsmExpr( * this ); } |
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| 648 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
---|
| 649 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
---|
| 650 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 651 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[65cdc1e] | 652 | |
---|
[7f5566b] | 653 | // https://gcc.gnu.org/onlinedocs/gcc-4.7.1/gcc/Machine-Constraints.html#Machine-Constraints |
---|
| 654 | }; |
---|
| 655 | |
---|
[db4ecc5] | 656 | /// ImplicitCopyCtorExpr represents the application of a function to a set of parameters, |
---|
| 657 | /// along with a set of copy constructor calls, one for each argument. |
---|
| 658 | class ImplicitCopyCtorExpr : public Expression { |
---|
| 659 | public: |
---|
[2f86ddf] | 660 | ApplicationExpr * callExpr = nullptr; |
---|
[65cdc1e] | 661 | |
---|
[db4ecc5] | 662 | ImplicitCopyCtorExpr( ApplicationExpr * callExpr ); |
---|
| 663 | ImplicitCopyCtorExpr( const ImplicitCopyCtorExpr & other ); |
---|
| 664 | virtual ~ImplicitCopyCtorExpr(); |
---|
| 665 | |
---|
[7870799] | 666 | virtual ImplicitCopyCtorExpr * clone() const override { return new ImplicitCopyCtorExpr( * this ); } |
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| 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; |
---|
[db4ecc5] | 671 | }; |
---|
| 672 | |
---|
[b6fe7e6] | 673 | /// ConstructorExpr represents the use of a constructor in an expression context, e.g. int * x = malloc() { 5 }; |
---|
| 674 | class ConstructorExpr : public Expression { |
---|
| 675 | public: |
---|
[65cdc1e] | 676 | Expression * callExpr; |
---|
| 677 | |
---|
[b6fe7e6] | 678 | ConstructorExpr( Expression * callExpr ); |
---|
| 679 | ConstructorExpr( const ConstructorExpr & other ); |
---|
| 680 | ~ConstructorExpr(); |
---|
[0dd3a2f] | 681 | |
---|
[14388c1] | 682 | bool get_lvalue() const final; |
---|
| 683 | |
---|
[5ded739] | 684 | Expression * get_callExpr() const { return callExpr; } |
---|
| 685 | void set_callExpr( Expression * newValue ) { callExpr = newValue; } |
---|
[0dd3a2f] | 686 | |
---|
[7870799] | 687 | virtual ConstructorExpr * clone() const override { return new ConstructorExpr( * this ); } |
---|
| 688 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
---|
| 689 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
---|
| 690 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
---|
| 691 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
---|
[51b7345] | 692 | }; |
---|
| 693 | |
---|
[630a82a] | 694 | /// CompoundLiteralExpr represents a C99 'compound literal' |
---|
| 695 | class CompoundLiteralExpr : public Expression { |
---|
| 696 | public: |
---|
[65cdc1e] | 697 | Initializer * initializer; |
---|
| 698 | |
---|
[630a82a] | 699 | CompoundLiteralExpr( Type * type, Initializer * initializer ); |
---|
[5ded739] | 700 | CompoundLiteralExpr( const CompoundLiteralExpr & other ); |
---|
[3b58d91] | 701 | virtual ~CompoundLiteralExpr(); |
---|
[630a82a] | 702 | |
---|
[14388c1] | 703 | bool get_lvalue() const final; |
---|
| 704 | |
---|
[630a82a] | 705 | Initializer * get_initializer() const { return initializer; } |
---|
| 706 | void set_initializer( Initializer * i ) { initializer = i; } |
---|
| 707 | |
---|
[7870799] | 708 | virtual CompoundLiteralExpr * clone() const override { return new CompoundLiteralExpr( * this ); } |
---|
| 709 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
---|
| 710 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
---|
| 711 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
---|
| 712 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
---|
[630a82a] | 713 | }; |
---|
| 714 | |
---|
[b6fe7e6] | 715 | /// RangeExpr represents a range e.g. '3 ... 5' or '1~10' |
---|
[8688ce1] | 716 | class RangeExpr : public Expression { |
---|
| 717 | public: |
---|
[65cdc1e] | 718 | Expression * low, * high; |
---|
| 719 | |
---|
[5ded739] | 720 | RangeExpr( Expression * low, Expression * high ); |
---|
| 721 | RangeExpr( const RangeExpr & other ); |
---|
[8688ce1] | 722 | |
---|
[d9e2280] | 723 | Expression * get_low() const { return low; } |
---|
| 724 | Expression * get_high() const { return high; } |
---|
[5ded739] | 725 | RangeExpr * set_low( Expression * low ) { RangeExpr::low = low; return this; } |
---|
| 726 | RangeExpr * set_high( Expression * high ) { RangeExpr::high = high; return this; } |
---|
[8688ce1] | 727 | |
---|
[7870799] | 728 | virtual RangeExpr * clone() const override { return new RangeExpr( * 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; |
---|
[8688ce1] | 733 | }; |
---|
| 734 | |
---|
[907eccb] | 735 | /// UntypedTupleExpr represents a tuple expression ( [a, b, c] ) before resolution |
---|
| 736 | class UntypedTupleExpr : public Expression { |
---|
| 737 | public: |
---|
[65cdc1e] | 738 | std::list<Expression*> exprs; |
---|
| 739 | |
---|
[bf4b4cf] | 740 | UntypedTupleExpr( const std::list< Expression * > & exprs ); |
---|
[5ded739] | 741 | UntypedTupleExpr( const UntypedTupleExpr & other ); |
---|
[907eccb] | 742 | virtual ~UntypedTupleExpr(); |
---|
| 743 | |
---|
| 744 | std::list<Expression*>& get_exprs() { return exprs; } |
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| 745 | |
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[7870799] | 746 | virtual UntypedTupleExpr * clone() const override { return new UntypedTupleExpr( * this ); } |
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| 747 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 748 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 749 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 750 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[907eccb] | 751 | }; |
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| 752 | |
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[6eb8948] | 753 | /// TupleExpr represents a tuple expression ( [a, b, c] ) |
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| 754 | class TupleExpr : public Expression { |
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| 755 | public: |
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[65cdc1e] | 756 | std::list<Expression*> exprs; |
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| 757 | |
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[bf4b4cf] | 758 | TupleExpr( const std::list< Expression * > & exprs ); |
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[5ded739] | 759 | TupleExpr( const TupleExpr & other ); |
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[6eb8948] | 760 | virtual ~TupleExpr(); |
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| 761 | |
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[3c7f01b] | 762 | bool get_lvalue() const final; |
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| 763 | |
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[6eb8948] | 764 | std::list<Expression*>& get_exprs() { return exprs; } |
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| 765 | |
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[7870799] | 766 | virtual TupleExpr * clone() const override { return new TupleExpr( * this ); } |
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| 767 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 768 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 769 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 770 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[6eb8948] | 771 | }; |
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| 772 | |
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[3b58d91] | 773 | /// TupleIndexExpr represents an element selection operation on a tuple value, e.g. t.3 after processing by the expression analyzer |
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| 774 | class TupleIndexExpr : public Expression { |
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| 775 | public: |
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[65cdc1e] | 776 | Expression * tuple; |
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| 777 | unsigned int index; |
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| 778 | |
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[3b58d91] | 779 | TupleIndexExpr( Expression * tuple, unsigned int index ); |
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[5ded739] | 780 | TupleIndexExpr( const TupleIndexExpr & other ); |
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[3b58d91] | 781 | virtual ~TupleIndexExpr(); |
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| 782 | |
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[14388c1] | 783 | bool get_lvalue() const final; |
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| 784 | |
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[3b58d91] | 785 | Expression * get_tuple() const { return tuple; } |
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| 786 | int get_index() const { return index; } |
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[5ded739] | 787 | TupleIndexExpr * set_tuple( Expression * newValue ) { tuple = newValue; return this; } |
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[3b58d91] | 788 | TupleIndexExpr * set_index( unsigned int newValue ) { index = newValue; return this; } |
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| 789 | |
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[7870799] | 790 | virtual TupleIndexExpr * clone() const override { return new TupleIndexExpr( * this ); } |
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| 791 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 792 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 793 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 794 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[3b58d91] | 795 | }; |
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| 796 | |
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[65660bd] | 797 | /// 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] | 798 | class TupleAssignExpr : public Expression { |
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[3b58d91] | 799 | public: |
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[65cdc1e] | 800 | StmtExpr * stmtExpr = nullptr; |
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| 801 | |
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[bf4b4cf] | 802 | TupleAssignExpr( const std::list< Expression * > & assigns, const std::list< ObjectDecl * > & tempDecls ); |
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[5ded739] | 803 | TupleAssignExpr( const TupleAssignExpr & other ); |
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[6eb8948] | 804 | virtual ~TupleAssignExpr(); |
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[3b58d91] | 805 | |
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[d5556a3] | 806 | TupleAssignExpr * set_stmtExpr( StmtExpr * newValue ) { stmtExpr = newValue; return this; } |
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| 807 | StmtExpr * get_stmtExpr() const { return stmtExpr; } |
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[3b58d91] | 808 | |
---|
[7870799] | 809 | virtual TupleAssignExpr * clone() const override { return new TupleAssignExpr( * this ); } |
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| 810 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 811 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 812 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 813 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[20de6fb] | 814 | |
---|
| 815 | friend class ConverterNewToOld; |
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| 816 | private: |
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| 817 | TupleAssignExpr( StmtExpr * stmts ); |
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[3b58d91] | 818 | }; |
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| 819 | |
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[6eb8948] | 820 | /// StmtExpr represents a GCC 'statement expression', e.g. ({ int x = 5; x; }) |
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| 821 | class StmtExpr : public Expression { |
---|
| 822 | public: |
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[65cdc1e] | 823 | CompoundStmt * statements; |
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| 824 | std::list< ObjectDecl * > returnDecls; // return variable(s) for stmt expression |
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| 825 | std::list< Expression * > dtors; // destructor(s) for return variable(s) |
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| 826 | |
---|
[0e315a5] | 827 | // readonly |
---|
| 828 | ExprStmt * resultExpr = nullptr; |
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| 829 | |
---|
[5ded739] | 830 | StmtExpr( CompoundStmt * statements ); |
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[6eb8948] | 831 | StmtExpr( const StmtExpr & other ); |
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| 832 | virtual ~StmtExpr(); |
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[3b58d91] | 833 | |
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[5d00425] | 834 | bool get_lvalue() const final; |
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| 835 | |
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[6eb8948] | 836 | CompoundStmt * get_statements() const { return statements; } |
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| 837 | StmtExpr * set_statements( CompoundStmt * newValue ) { statements = newValue; return this; } |
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[3b58d91] | 838 | |
---|
[5e2c348] | 839 | // call to set the result type of this StmtExpr based on its body |
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| 840 | void computeResult(); |
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| 841 | |
---|
[d5556a3] | 842 | std::list< ObjectDecl * > & get_returnDecls() { return returnDecls; } |
---|
| 843 | std::list< Expression * > & get_dtors() { return dtors; } |
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| 844 | |
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[7870799] | 845 | virtual StmtExpr * clone() const override { return new StmtExpr( * this ); } |
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| 846 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 847 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 848 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
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| 849 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[3b58d91] | 850 | }; |
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| 851 | |
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[3c13c03] | 852 | class UniqueExpr : public Expression { |
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| 853 | public: |
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[65cdc1e] | 854 | Expression * expr; |
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| 855 | ObjectDecl * object; |
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| 856 | VariableExpr * var; |
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| 857 | |
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[bf32bb8] | 858 | UniqueExpr( Expression * expr, long long idVal = -1 ); |
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[3c13c03] | 859 | UniqueExpr( const UniqueExpr & other ); |
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| 860 | ~UniqueExpr(); |
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| 861 | |
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[141b786] | 862 | Expression * get_expr() const { return expr; } |
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| 863 | UniqueExpr * set_expr( Expression * newValue ) { expr = newValue; return this; } |
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[3c13c03] | 864 | |
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[141b786] | 865 | ObjectDecl * get_object() const { return object; } |
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| 866 | UniqueExpr * set_object( ObjectDecl * newValue ) { object = newValue; return this; } |
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| 867 | |
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| 868 | VariableExpr * get_var() const { return var; } |
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| 869 | UniqueExpr * set_var( VariableExpr * newValue ) { var = newValue; return this; } |
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[77971f6] | 870 | |
---|
[bf32bb8] | 871 | int get_id() const { return id; } |
---|
| 872 | |
---|
[7870799] | 873 | virtual UniqueExpr * clone() const override { return new UniqueExpr( * this ); } |
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| 874 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 875 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 876 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
---|
| 877 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
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[65cdc1e] | 878 | |
---|
[3c13c03] | 879 | private: |
---|
[bf32bb8] | 880 | int id; |
---|
| 881 | static long long count; |
---|
[3c13c03] | 882 | }; |
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| 883 | |
---|
[e4d829b] | 884 | struct InitAlternative { |
---|
| 885 | public: |
---|
| 886 | Type * type = nullptr; |
---|
| 887 | Designation * designation = nullptr; |
---|
| 888 | InitAlternative( Type * type, Designation * designation ); |
---|
| 889 | InitAlternative( const InitAlternative & other ); |
---|
| 890 | InitAlternative & operator=( const Initializer & other ) = delete; // at the moment this isn't used, and I don't want to implement it |
---|
| 891 | ~InitAlternative(); |
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| 892 | }; |
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| 893 | |
---|
| 894 | class UntypedInitExpr : public Expression { |
---|
| 895 | public: |
---|
[65cdc1e] | 896 | Expression * expr; |
---|
| 897 | std::list<InitAlternative> initAlts; |
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| 898 | |
---|
[e4d829b] | 899 | UntypedInitExpr( Expression * expr, const std::list<InitAlternative> & initAlts ); |
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| 900 | UntypedInitExpr( const UntypedInitExpr & other ); |
---|
| 901 | ~UntypedInitExpr(); |
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| 902 | |
---|
| 903 | Expression * get_expr() const { return expr; } |
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| 904 | UntypedInitExpr * set_expr( Expression * newValue ) { expr = newValue; return this; } |
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| 905 | |
---|
| 906 | std::list<InitAlternative> & get_initAlts() { return initAlts; } |
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| 907 | |
---|
[7870799] | 908 | virtual UntypedInitExpr * clone() const override { return new UntypedInitExpr( * this ); } |
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| 909 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
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| 910 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
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| 911 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
---|
| 912 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
---|
[e4d829b] | 913 | }; |
---|
| 914 | |
---|
| 915 | class InitExpr : public Expression { |
---|
| 916 | public: |
---|
[65cdc1e] | 917 | Expression * expr; |
---|
| 918 | Designation * designation; |
---|
| 919 | |
---|
[62423350] | 920 | InitExpr( Expression * expr, Designation * designation ); |
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[e4d829b] | 921 | InitExpr( const InitExpr & other ); |
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| 922 | ~InitExpr(); |
---|
| 923 | |
---|
| 924 | Expression * get_expr() const { return expr; } |
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| 925 | InitExpr * set_expr( Expression * newValue ) { expr = newValue; return this; } |
---|
| 926 | |
---|
| 927 | Designation * get_designation() const { return designation; } |
---|
| 928 | InitExpr * set_designation( Designation * newValue ) { designation = newValue; return this; } |
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| 929 | |
---|
[7870799] | 930 | virtual InitExpr * clone() const override { return new InitExpr( * this ); } |
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| 931 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
---|
| 932 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
---|
| 933 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
---|
| 934 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
---|
[e4d829b] | 935 | }; |
---|
| 936 | |
---|
[44b4114] | 937 | /// expression that contains a deleted identifier - should never make it past the resolver. |
---|
| 938 | class DeletedExpr : public Expression { |
---|
| 939 | public: |
---|
| 940 | Expression * expr; |
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[e67991f] | 941 | Declaration * deleteStmt; |
---|
[44b4114] | 942 | |
---|
[e67991f] | 943 | DeletedExpr( Expression * expr, Declaration * deleteStmt ); |
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[44b4114] | 944 | DeletedExpr( const DeletedExpr & other ); |
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| 945 | ~DeletedExpr(); |
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| 946 | |
---|
[7870799] | 947 | virtual DeletedExpr * clone() const override { return new DeletedExpr( * this ); } |
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| 948 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
---|
| 949 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
---|
| 950 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
---|
| 951 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
---|
[44b4114] | 952 | }; |
---|
| 953 | |
---|
[0f79853] | 954 | /// expression wrapping the use of a default argument - should never make it past the resolver. |
---|
| 955 | class DefaultArgExpr : public Expression { |
---|
| 956 | public: |
---|
| 957 | Expression * expr; |
---|
| 958 | |
---|
| 959 | DefaultArgExpr( Expression * expr ); |
---|
| 960 | DefaultArgExpr( const DefaultArgExpr & other ); |
---|
| 961 | ~DefaultArgExpr(); |
---|
| 962 | |
---|
[7870799] | 963 | virtual DefaultArgExpr * clone() const override { return new DefaultArgExpr( * this ); } |
---|
| 964 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
---|
| 965 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
---|
| 966 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
---|
| 967 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
---|
[0f79853] | 968 | }; |
---|
| 969 | |
---|
[d807ca28] | 970 | /// C11 _Generic expression |
---|
| 971 | class GenericExpr : public Expression { |
---|
| 972 | public: |
---|
| 973 | struct Association { |
---|
| 974 | Type * type = nullptr; |
---|
| 975 | Expression * expr = nullptr; |
---|
| 976 | bool isDefault = false; |
---|
| 977 | |
---|
| 978 | Association( Type * type, Expression * expr ); |
---|
| 979 | Association( Expression * expr ); |
---|
| 980 | Association( const Association & other ); |
---|
| 981 | Association & operator=( const Association & other ) = delete; // at the moment this isn't used, and I don't want to implement it |
---|
| 982 | ~Association(); |
---|
| 983 | }; |
---|
| 984 | |
---|
| 985 | Expression * control; |
---|
| 986 | std::list<Association> associations; |
---|
| 987 | |
---|
| 988 | GenericExpr( Expression * control, const std::list<Association> & assoc ); |
---|
| 989 | GenericExpr( const GenericExpr & other ); |
---|
| 990 | virtual ~GenericExpr(); |
---|
| 991 | |
---|
[7870799] | 992 | virtual GenericExpr * clone() const override { return new GenericExpr( * this ); } |
---|
| 993 | virtual void accept( Visitor & v ) override { v.visit( this ); } |
---|
| 994 | virtual void accept( Visitor & v ) const override { v.visit( this ); } |
---|
| 995 | virtual Expression * acceptMutator( Mutator & m ) override { return m.mutate( this ); } |
---|
| 996 | virtual void print( std::ostream & os, Indenter indent = {} ) const override; |
---|
[d807ca28] | 997 | }; |
---|
| 998 | |
---|
[0dd3a2f] | 999 | // Local Variables: // |
---|
| 1000 | // tab-width: 4 // |
---|
| 1001 | // mode: c++ // |
---|
| 1002 | // compile-command: "make install" // |
---|
| 1003 | // End: // |
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