[64adb03] | 1 | // -*- Mode: CPP -*- |
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| 2 | // |
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| 3 | // Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo |
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| 4 | // |
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| 5 | // The contents of this file are covered under the licence agreement in the |
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| 6 | // file "LICENCE" distributed with Cforall. |
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| 7 | // |
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| 8 | // Keywords.cc -- |
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| 9 | // |
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| 10 | // Author : Thierry Delisle |
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| 11 | // Created On : Mon Mar 13 12:41:22 2017 |
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| 12 | // Last Modified By : |
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| 13 | // Last Modified On : |
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[615a096] | 14 | // Update Count : 3 |
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[64adb03] | 15 | // |
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| 16 | |
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| 17 | #include "Concurrency/Keywords.h" |
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| 18 | |
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[bd4d011] | 19 | #include "InitTweak/InitTweak.h" |
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[b32ada31] | 20 | #include "SymTab/AddVisit.h" |
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[64adb03] | 21 | #include "SynTree/Declaration.h" |
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| 22 | #include "SynTree/Expression.h" |
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| 23 | #include "SynTree/Initializer.h" |
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| 24 | #include "SynTree/Statement.h" |
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| 25 | #include "SynTree/Type.h" |
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| 26 | #include "SynTree/Visitor.h" |
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| 27 | |
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| 28 | namespace Concurrency { |
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| 29 | |
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| 30 | namespace { |
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| 31 | const std::list<Label> noLabels; |
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[b32ada31] | 32 | const std::list< Attribute * > noAttributes; |
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[68fe077a] | 33 | Type::StorageClasses noStorage; |
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[64adb03] | 34 | Type::Qualifiers noQualifiers; |
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| 35 | } |
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| 36 | |
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| 37 | //============================================================================================= |
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| 38 | // Visitors declaration |
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| 39 | //============================================================================================= |
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| 40 | |
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[bcda04c] | 41 | //----------------------------------------------------------------------------- |
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| 42 | //Handles sue type declarations : |
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| 43 | // sue MyType { struct MyType { |
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| 44 | // int data; int data; |
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| 45 | // a_struct_t more_data; a_struct_t more_data; |
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| 46 | // => NewField_t newField; |
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| 47 | // }; }; |
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| 48 | // static inline NewField_t * getter_name( MyType * this ) { return &this->newField; } |
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| 49 | // |
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| 50 | class ConcurrentSueKeyword : public Visitor { |
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| 51 | protected: |
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| 52 | template< typename Visitor > |
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| 53 | friend void SymTab::acceptAndAdd( std::list< Declaration * > &translationUnit, Visitor &visitor ); |
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| 54 | public: |
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| 55 | |
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[bd4d011] | 56 | ConcurrentSueKeyword( std::string&& type_name, std::string&& field_name, std::string&& getter_name, std::string&& context_error, bool needs_main ) : |
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| 57 | type_name( type_name ), field_name( field_name ), getter_name( getter_name ), context_error( context_error ), needs_main( needs_main ) {} |
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[bcda04c] | 58 | |
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| 59 | virtual ~ConcurrentSueKeyword() {} |
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| 60 | |
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| 61 | using Visitor::visit; |
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| 62 | virtual void visit( StructDecl * decl ) override final; |
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| 63 | |
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| 64 | void handle( StructDecl * ); |
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| 65 | FunctionDecl * forwardDeclare( StructDecl * ); |
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| 66 | ObjectDecl * addField( StructDecl * ); |
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| 67 | void addRoutines( StructDecl *, ObjectDecl *, FunctionDecl * ); |
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| 68 | |
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| 69 | virtual bool is_target( StructDecl * decl ) = 0; |
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| 70 | |
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| 71 | private: |
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| 72 | const std::string type_name; |
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| 73 | const std::string field_name; |
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| 74 | const std::string getter_name; |
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| 75 | const std::string context_error; |
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[bd4d011] | 76 | bool needs_main; |
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[bcda04c] | 77 | |
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| 78 | std::list< Declaration * > declsToAdd, declsToAddAfter; |
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| 79 | StructDecl* type_decl = nullptr; |
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| 80 | }; |
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| 81 | |
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| 82 | |
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[64adb03] | 83 | //----------------------------------------------------------------------------- |
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| 84 | //Handles thread type declarations : |
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| 85 | // thread Mythread { struct MyThread { |
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| 86 | // int data; int data; |
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| 87 | // a_struct_t more_data; a_struct_t more_data; |
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| 88 | // => thread_desc __thrd_d; |
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| 89 | // }; }; |
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| 90 | // static inline thread_desc * get_thread( MyThread * this ) { return &this->__thrd_d; } |
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| 91 | // |
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[bcda04c] | 92 | class ThreadKeyword final : public ConcurrentSueKeyword { |
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[64adb03] | 93 | public: |
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| 94 | |
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[bcda04c] | 95 | ThreadKeyword() : ConcurrentSueKeyword( |
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| 96 | "thread_desc", |
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| 97 | "__thrd", |
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| 98 | "get_thread", |
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[bd4d011] | 99 | "thread keyword requires threads to be in scope, add #include <thread>", |
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| 100 | true |
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[bcda04c] | 101 | ) |
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| 102 | {} |
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| 103 | |
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| 104 | virtual ~ThreadKeyword() {} |
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| 105 | |
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| 106 | virtual bool is_target( StructDecl * decl ) override final { return decl->is_thread(); } |
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| 107 | |
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| 108 | static void implement( std::list< Declaration * > & translationUnit ) { |
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| 109 | ThreadKeyword impl; |
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| 110 | SymTab::acceptAndAdd( translationUnit, impl ); |
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| 111 | } |
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[64adb03] | 112 | }; |
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| 113 | |
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| 114 | //----------------------------------------------------------------------------- |
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| 115 | //Handles coroutine type declarations : |
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| 116 | // coroutine MyCoroutine { struct MyCoroutine { |
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| 117 | // int data; int data; |
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| 118 | // a_struct_t more_data; a_struct_t more_data; |
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| 119 | // => coroutine_desc __cor_d; |
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| 120 | // }; }; |
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| 121 | // static inline coroutine_desc * get_coroutine( MyCoroutine * this ) { return &this->__cor_d; } |
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| 122 | // |
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[bcda04c] | 123 | class CoroutineKeyword final : public ConcurrentSueKeyword { |
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[64adb03] | 124 | public: |
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| 125 | |
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[bcda04c] | 126 | CoroutineKeyword() : ConcurrentSueKeyword( |
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| 127 | "coroutine_desc", |
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| 128 | "__cor", |
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| 129 | "get_coroutine", |
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[bd4d011] | 130 | "coroutine keyword requires coroutines to be in scope, add #include <coroutine>", |
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| 131 | true |
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[bcda04c] | 132 | ) |
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| 133 | {} |
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[b32ada31] | 134 | |
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[bcda04c] | 135 | virtual ~CoroutineKeyword() {} |
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| 136 | |
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| 137 | virtual bool is_target( StructDecl * decl ) override final { return decl->is_coroutine(); } |
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[b32ada31] | 138 | |
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| 139 | static void implement( std::list< Declaration * > & translationUnit ) { |
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| 140 | CoroutineKeyword impl; |
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| 141 | SymTab::acceptAndAdd( translationUnit, impl ); |
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| 142 | } |
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[64adb03] | 143 | }; |
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| 144 | |
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| 145 | //----------------------------------------------------------------------------- |
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| 146 | //Handles monitor type declarations : |
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| 147 | // monitor MyMonitor { struct MyMonitor { |
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| 148 | // int data; int data; |
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| 149 | // a_struct_t more_data; a_struct_t more_data; |
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| 150 | // => monitor_desc __mon_d; |
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| 151 | // }; }; |
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| 152 | // static inline monitor_desc * get_coroutine( MyMonitor * this ) { return &this->__cor_d; } |
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| 153 | // |
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[bcda04c] | 154 | class MonitorKeyword final : public ConcurrentSueKeyword { |
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[64adb03] | 155 | public: |
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| 156 | |
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[bcda04c] | 157 | MonitorKeyword() : ConcurrentSueKeyword( |
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| 158 | "monitor_desc", |
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| 159 | "__mon", |
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| 160 | "get_monitor", |
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[bd4d011] | 161 | "monitor keyword requires monitors to be in scope, add #include <monitor>", |
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| 162 | false |
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[bcda04c] | 163 | ) |
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| 164 | {} |
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| 165 | |
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| 166 | virtual ~MonitorKeyword() {} |
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| 167 | |
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| 168 | virtual bool is_target( StructDecl * decl ) override final { return decl->is_monitor(); } |
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| 169 | |
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| 170 | static void implement( std::list< Declaration * > & translationUnit ) { |
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| 171 | MonitorKeyword impl; |
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| 172 | SymTab::acceptAndAdd( translationUnit, impl ); |
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| 173 | } |
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[64adb03] | 174 | }; |
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| 175 | |
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| 176 | //----------------------------------------------------------------------------- |
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| 177 | //Handles mutex routines definitions : |
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| 178 | // void foo( A * mutex a, B * mutex b, int i ) { void foo( A * a, B * b, int i ) { |
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[9243cc91] | 179 | // monitor_desc * __monitors[] = { get_monitor(a), get_monitor(b) }; |
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[64adb03] | 180 | // monitor_guard_t __guard = { __monitors, 2 }; |
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| 181 | // /*Some code*/ => /*Some code*/ |
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| 182 | // } } |
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| 183 | // |
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| 184 | class MutexKeyword final : public Visitor { |
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| 185 | public: |
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| 186 | |
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| 187 | using Visitor::visit; |
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[b32ada31] | 188 | virtual void visit( FunctionDecl * decl ) override final; |
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| 189 | virtual void visit( StructDecl * decl ) override final; |
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[64adb03] | 190 | |
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| 191 | std::list<DeclarationWithType*> findMutexArgs( FunctionDecl* ); |
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| 192 | void validate( DeclarationWithType * ); |
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| 193 | void addStatments( CompoundStmt *, const std::list<DeclarationWithType * > &); |
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| 194 | |
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| 195 | static void implement( std::list< Declaration * > & translationUnit ) { |
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| 196 | MutexKeyword impl; |
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| 197 | acceptAll( translationUnit, impl ); |
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| 198 | } |
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[9243cc91] | 199 | |
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| 200 | private: |
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| 201 | StructDecl* monitor_decl = nullptr; |
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[ef42b143] | 202 | StructDecl* guard_decl = nullptr; |
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[64adb03] | 203 | }; |
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| 204 | |
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[bd4d011] | 205 | //----------------------------------------------------------------------------- |
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| 206 | //Handles mutex routines definitions : |
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| 207 | // void foo( A * mutex a, B * mutex b, int i ) { void foo( A * a, B * b, int i ) { |
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| 208 | // monitor_desc * __monitors[] = { get_monitor(a), get_monitor(b) }; |
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| 209 | // monitor_guard_t __guard = { __monitors, 2 }; |
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| 210 | // /*Some code*/ => /*Some code*/ |
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| 211 | // } } |
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| 212 | // |
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| 213 | class ThreadStarter final : public Visitor { |
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| 214 | public: |
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| 215 | |
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| 216 | using Visitor::visit; |
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| 217 | virtual void visit( FunctionDecl * decl ) override final; |
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| 218 | |
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| 219 | void addStartStatement( FunctionDecl * decl, DeclarationWithType * param ); |
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| 220 | |
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| 221 | static void implement( std::list< Declaration * > & translationUnit ) { |
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| 222 | ThreadStarter impl; |
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| 223 | acceptAll( translationUnit, impl ); |
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| 224 | } |
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| 225 | }; |
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| 226 | |
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[64adb03] | 227 | //============================================================================================= |
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| 228 | // General entry routine |
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| 229 | //============================================================================================= |
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| 230 | void applyKeywords( std::list< Declaration * > & translationUnit ) { |
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| 231 | ThreadKeyword ::implement( translationUnit ); |
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| 232 | CoroutineKeyword ::implement( translationUnit ); |
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| 233 | MonitorKeyword ::implement( translationUnit ); |
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[bcda04c] | 234 | } |
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| 235 | |
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| 236 | void implementMutexFuncs( std::list< Declaration * > & translationUnit ) { |
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[64adb03] | 237 | MutexKeyword ::implement( translationUnit ); |
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| 238 | } |
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| 239 | |
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[bcda04c] | 240 | void implementThreadStarter( std::list< Declaration * > & translationUnit ) { |
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[bd4d011] | 241 | ThreadStarter ::implement( translationUnit ); |
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[bcda04c] | 242 | } |
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| 243 | |
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[b32ada31] | 244 | //============================================================================================= |
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[bcda04c] | 245 | // Generic keyword implementation |
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[b32ada31] | 246 | //============================================================================================= |
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[bcda04c] | 247 | void ConcurrentSueKeyword::visit(StructDecl * decl) { |
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| 248 | if( decl->get_name() == type_name ) { |
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| 249 | assert( !type_decl ); |
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| 250 | type_decl = decl; |
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[b32ada31] | 251 | } |
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[bcda04c] | 252 | else if ( is_target(decl) ) { |
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[b32ada31] | 253 | handle( decl ); |
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| 254 | } |
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| 255 | |
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| 256 | } |
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| 257 | |
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[bcda04c] | 258 | void ConcurrentSueKeyword::handle( StructDecl * decl ) { |
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[b32ada31] | 259 | if( ! decl->has_body() ) return; |
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| 260 | |
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[bcda04c] | 261 | if( !type_decl ) throw SemanticError( context_error, decl ); |
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[b32ada31] | 262 | |
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[bcda04c] | 263 | FunctionDecl * func = forwardDeclare( decl ); |
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| 264 | ObjectDecl * field = addField( decl ); |
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| 265 | addRoutines( decl, field, func ); |
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[b32ada31] | 266 | } |
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| 267 | |
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[bcda04c] | 268 | FunctionDecl * ConcurrentSueKeyword::forwardDeclare( StructDecl * decl ) { |
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| 269 | |
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| 270 | StructDecl * forward = decl->clone(); |
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| 271 | forward->set_body( false ); |
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| 272 | deleteAll( forward->get_members() ); |
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| 273 | forward->get_members().clear(); |
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| 274 | |
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[bd4d011] | 275 | FunctionType * get_type = new FunctionType( noQualifiers, false ); |
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[bcda04c] | 276 | ObjectDecl * this_decl = new ObjectDecl( |
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| 277 | "this", |
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[b32ada31] | 278 | noStorage, |
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| 279 | LinkageSpec::Cforall, |
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| 280 | nullptr, |
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[bcda04c] | 281 | new PointerType( |
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[b32ada31] | 282 | noQualifiers, |
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[bcda04c] | 283 | new StructInstType( |
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| 284 | noQualifiers, |
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| 285 | decl |
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| 286 | ) |
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[b32ada31] | 287 | ), |
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| 288 | nullptr |
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| 289 | ); |
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| 290 | |
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[bd4d011] | 291 | get_type->get_parameters().push_back( this_decl ); |
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| 292 | get_type->get_returnVals().push_back( |
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[e04b636] | 293 | new ObjectDecl( |
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| 294 | "ret", |
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| 295 | noStorage, |
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| 296 | LinkageSpec::Cforall, |
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| 297 | nullptr, |
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| 298 | new PointerType( |
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| 299 | noQualifiers, |
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| 300 | new StructInstType( |
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| 301 | noQualifiers, |
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[bcda04c] | 302 | type_decl |
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[e04b636] | 303 | ) |
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| 304 | ), |
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| 305 | nullptr |
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| 306 | ) |
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| 307 | ); |
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[b32ada31] | 308 | |
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[bcda04c] | 309 | FunctionDecl * get_decl = new FunctionDecl( |
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| 310 | getter_name, |
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| 311 | Type::Static, |
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| 312 | LinkageSpec::Cforall, |
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[bd4d011] | 313 | get_type, |
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[bcda04c] | 314 | nullptr, |
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| 315 | noAttributes, |
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| 316 | Type::Inline |
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| 317 | ); |
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| 318 | |
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[bd4d011] | 319 | FunctionDecl * main_decl = nullptr; |
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| 320 | |
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| 321 | if( needs_main ) { |
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| 322 | FunctionType * main_type = new FunctionType( noQualifiers, false ); |
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| 323 | |
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| 324 | main_type->get_parameters().push_back( this_decl->clone() ); |
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| 325 | |
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| 326 | main_decl = new FunctionDecl( |
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| 327 | "main", |
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| 328 | noStorage, |
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| 329 | LinkageSpec::Cforall, |
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| 330 | main_type, |
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| 331 | nullptr |
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| 332 | ); |
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| 333 | } |
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| 334 | |
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[bcda04c] | 335 | declsToAdd.push_back( forward ); |
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[bd4d011] | 336 | if( needs_main ) declsToAdd.push_back( main_decl ); |
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[bcda04c] | 337 | declsToAdd.push_back( get_decl ); |
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| 338 | |
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| 339 | return get_decl; |
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| 340 | } |
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| 341 | |
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| 342 | ObjectDecl * ConcurrentSueKeyword::addField( StructDecl * decl ) { |
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| 343 | ObjectDecl * field = new ObjectDecl( |
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| 344 | field_name, |
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| 345 | noStorage, |
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| 346 | LinkageSpec::Cforall, |
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| 347 | nullptr, |
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| 348 | new StructInstType( |
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| 349 | noQualifiers, |
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| 350 | type_decl |
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| 351 | ), |
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| 352 | nullptr |
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| 353 | ); |
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| 354 | |
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| 355 | decl->get_members().push_back( field ); |
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| 356 | |
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| 357 | return field; |
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| 358 | } |
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| 359 | |
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| 360 | void ConcurrentSueKeyword::addRoutines( StructDecl * decl, ObjectDecl * field, FunctionDecl * func ) { |
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[b32ada31] | 361 | CompoundStmt * statement = new CompoundStmt( noLabels ); |
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| 362 | statement->push_back( |
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| 363 | new ReturnStmt( |
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| 364 | noLabels, |
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[e04b636] | 365 | new AddressExpr( |
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[bcda04c] | 366 | new MemberExpr( |
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| 367 | field, |
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| 368 | UntypedExpr::createDeref( new VariableExpr( func->get_functionType()->get_parameters().front() ) ) |
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[e04b636] | 369 | ) |
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[b32ada31] | 370 | ) |
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| 371 | ) |
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| 372 | ); |
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| 373 | |
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[bcda04c] | 374 | FunctionDecl * get_decl = func->clone(); |
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| 375 | |
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| 376 | get_decl->set_statements( statement ); |
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[e04b636] | 377 | |
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| 378 | declsToAddAfter.push_back( get_decl ); |
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| 379 | |
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[bcda04c] | 380 | // get_decl->fixUniqueId(); |
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[b32ada31] | 381 | } |
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| 382 | |
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[64adb03] | 383 | //============================================================================================= |
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| 384 | // Mutex keyword implementation |
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| 385 | //============================================================================================= |
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| 386 | void MutexKeyword::visit(FunctionDecl* decl) { |
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| 387 | std::list<DeclarationWithType*> mutexArgs = findMutexArgs( decl ); |
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| 388 | if( mutexArgs.empty() ) return; |
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| 389 | |
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| 390 | for(auto arg : mutexArgs) { |
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| 391 | validate( arg ); |
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| 392 | } |
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| 393 | |
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| 394 | CompoundStmt* body = decl->get_statements(); |
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| 395 | if( ! body ) return; |
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| 396 | |
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[b32ada31] | 397 | if( !monitor_decl ) throw SemanticError( "mutex keyword requires monitors to be in scope, add #include <monitor>", decl ); |
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| 398 | if( !guard_decl ) throw SemanticError( "mutex keyword requires monitors to be in scope, add #include <monitor>", decl ); |
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| 399 | |
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[64adb03] | 400 | addStatments( body, mutexArgs ); |
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| 401 | } |
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| 402 | |
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[9243cc91] | 403 | void MutexKeyword::visit(StructDecl* decl) { |
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| 404 | if( decl->get_name() == "monitor_desc" ) { |
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| 405 | assert( !monitor_decl ); |
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| 406 | monitor_decl = decl; |
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| 407 | } |
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[ef42b143] | 408 | else if( decl->get_name() == "monitor_guard_t" ) { |
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| 409 | assert( !guard_decl ); |
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| 410 | guard_decl = decl; |
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| 411 | } |
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[9243cc91] | 412 | } |
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| 413 | |
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[64adb03] | 414 | std::list<DeclarationWithType*> MutexKeyword::findMutexArgs( FunctionDecl* decl ) { |
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| 415 | std::list<DeclarationWithType*> mutexArgs; |
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| 416 | |
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| 417 | for( auto arg : decl->get_functionType()->get_parameters()) { |
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| 418 | //Find mutex arguments |
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| 419 | Type* ty = arg->get_type(); |
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[615a096] | 420 | if( ! ty->get_mutex() ) continue; |
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[64adb03] | 421 | |
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| 422 | //Append it to the list |
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| 423 | mutexArgs.push_back( arg ); |
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| 424 | } |
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| 425 | |
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| 426 | return mutexArgs; |
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| 427 | } |
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| 428 | |
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| 429 | void MutexKeyword::validate( DeclarationWithType * arg ) { |
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| 430 | Type* ty = arg->get_type(); |
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| 431 | |
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| 432 | //Makes sure it's not a copy |
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| 433 | PointerType* pty = dynamic_cast< PointerType * >( ty ); |
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| 434 | if( ! pty ) throw SemanticError( "Mutex argument must be of pointer/reference type ", arg ); |
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| 435 | |
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| 436 | //Make sure the we are pointing directly to a type |
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| 437 | Type* base = pty->get_base(); |
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| 438 | if( dynamic_cast< PointerType * >( base ) ) throw SemanticError( "Mutex argument have exactly one level of indirection ", arg ); |
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| 439 | |
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| 440 | //Make sure that typed isn't mutex |
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[e04b636] | 441 | if( base->get_mutex() ) throw SemanticError( "mutex keyword may only appear once per argument ", arg ); |
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[64adb03] | 442 | } |
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| 443 | |
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| 444 | void MutexKeyword::addStatments( CompoundStmt * body, const std::list<DeclarationWithType * > & args ) { |
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[9243cc91] | 445 | ObjectDecl * monitors = new ObjectDecl( |
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| 446 | "__monitors", |
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| 447 | noStorage, |
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| 448 | LinkageSpec::Cforall, |
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| 449 | nullptr, |
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| 450 | new ArrayType( |
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| 451 | noQualifiers, |
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| 452 | new PointerType( |
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| 453 | noQualifiers, |
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| 454 | new StructInstType( |
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| 455 | noQualifiers, |
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| 456 | monitor_decl |
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| 457 | ) |
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| 458 | ), |
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| 459 | new ConstantExpr( Constant::from_ulong( args.size() ) ), |
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| 460 | false, |
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| 461 | false |
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| 462 | ), |
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| 463 | new ListInit( |
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[cb0e6de] | 464 | map_range < std::list<Initializer*> > ( args, [this](DeclarationWithType * var ){ |
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| 465 | Type * type = var->get_type()->clone(); |
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| 466 | type->set_mutex( false ); |
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[9243cc91] | 467 | return new SingleInit( new UntypedExpr( |
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| 468 | new NameExpr( "get_monitor" ), |
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[cb0e6de] | 469 | { new CastExpr( new VariableExpr( var ), type ) } |
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[9243cc91] | 470 | ) ); |
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| 471 | }) |
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| 472 | ) |
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| 473 | ); |
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| 474 | |
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[64adb03] | 475 | //in reverse order : |
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| 476 | // monitor_guard_t __guard = { __monitors, # }; |
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| 477 | body->push_front( |
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| 478 | new DeclStmt( noLabels, new ObjectDecl( |
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| 479 | "__guard", |
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| 480 | noStorage, |
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| 481 | LinkageSpec::Cforall, |
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| 482 | nullptr, |
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| 483 | new StructInstType( |
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| 484 | noQualifiers, |
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[ef42b143] | 485 | guard_decl |
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[64adb03] | 486 | ), |
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| 487 | new ListInit( |
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| 488 | { |
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[9243cc91] | 489 | new SingleInit( new VariableExpr( monitors ) ), |
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[64adb03] | 490 | new SingleInit( new ConstantExpr( Constant::from_ulong( args.size() ) ) ) |
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[ef42b143] | 491 | }, |
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| 492 | noDesignators, |
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| 493 | true |
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[64adb03] | 494 | ) |
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| 495 | )) |
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| 496 | ); |
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| 497 | |
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[ef42b143] | 498 | //monitor_desc * __monitors[] = { get_monitor(a), get_monitor(b) }; |
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[9243cc91] | 499 | body->push_front( new DeclStmt( noLabels, monitors) ); |
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[64adb03] | 500 | } |
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[bd4d011] | 501 | |
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| 502 | //============================================================================================= |
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| 503 | // General entry routine |
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| 504 | //============================================================================================= |
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| 505 | void ThreadStarter::visit(FunctionDecl * decl) { |
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| 506 | if( ! InitTweak::isConstructor(decl->get_name()) ) return; |
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| 507 | |
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| 508 | DeclarationWithType * param = decl->get_functionType()->get_parameters().front(); |
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| 509 | auto ptr = dynamic_cast< PointerType * >( param->get_type() ); |
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| 510 | // if( ptr ) std::cerr << "FRED1" << std::endl; |
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| 511 | auto type = dynamic_cast< StructInstType * >( ptr->get_base() ); |
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| 512 | // if( type ) std::cerr << "FRED2" << std::endl; |
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| 513 | if( type && type->get_baseStruct()->is_thread() ) { |
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| 514 | addStartStatement( decl, param ); |
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| 515 | } |
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| 516 | } |
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| 517 | |
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| 518 | void ThreadStarter::addStartStatement( FunctionDecl * decl, DeclarationWithType * param ) { |
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| 519 | CompoundStmt * stmt = decl->get_statements(); |
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| 520 | |
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| 521 | if( ! stmt ) return; |
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| 522 | |
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| 523 | stmt->push_back( |
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| 524 | new ExprStmt( |
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| 525 | noLabels, |
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| 526 | new UntypedExpr( |
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| 527 | new NameExpr( "__thrd_start" ), |
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| 528 | { new VariableExpr( param ) } |
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| 529 | ) |
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| 530 | ) |
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| 531 | ); |
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| 532 | } |
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[68fe077a] | 533 | }; |
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