[64adb03] | 1 | // |
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo |
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| 3 | // |
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| 4 | // The contents of this file are covered under the licence agreement in the |
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| 5 | // file "LICENCE" distributed with Cforall. |
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| 6 | // |
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| 7 | // Keywords.cc -- |
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| 8 | // |
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| 9 | // Author : Thierry Delisle |
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| 10 | // Created On : Mon Mar 13 12:41:22 2017 |
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| 11 | // Last Modified By : |
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| 12 | // Last Modified On : |
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[6b0b624] | 13 | // Update Count : 5 |
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[64adb03] | 14 | // |
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| 15 | |
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| 16 | #include "Concurrency/Keywords.h" |
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| 17 | |
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[bf2438c] | 18 | #include <cassert> // for assert |
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| 19 | #include <string> // for string, operator== |
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| 20 | |
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| 21 | #include "Common/SemanticError.h" // for SemanticError |
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| 22 | #include "Common/utility.h" // for deleteAll, map_range |
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[bff227f] | 23 | #include "CodeGen/OperatorTable.h" // for isConstructor |
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| 24 | #include "InitTweak/InitTweak.h" // for getPointerBase |
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[bf2438c] | 25 | #include "Parser/LinkageSpec.h" // for Cforall |
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| 26 | #include "SymTab/AddVisit.h" // for acceptAndAdd |
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| 27 | #include "SynTree/Constant.h" // for Constant |
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| 28 | #include "SynTree/Declaration.h" // for StructDecl, FunctionDecl, ObjectDecl |
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| 29 | #include "SynTree/Expression.h" // for VariableExpr, ConstantExpr, Untype... |
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| 30 | #include "SynTree/Initializer.h" // for SingleInit, ListInit, Initializer ... |
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| 31 | #include "SynTree/Label.h" // for Label |
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| 32 | #include "SynTree/Statement.h" // for CompoundStmt, DeclStmt, ExprStmt |
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| 33 | #include "SynTree/Type.h" // for StructInstType, Type, PointerType |
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| 34 | #include "SynTree/Visitor.h" // for Visitor, acceptAll |
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| 35 | |
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| 36 | class Attribute; |
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[64adb03] | 37 | |
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| 38 | namespace Concurrency { |
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| 39 | |
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| 40 | namespace { |
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| 41 | const std::list<Label> noLabels; |
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[b32ada31] | 42 | const std::list< Attribute * > noAttributes; |
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[68fe077a] | 43 | Type::StorageClasses noStorage; |
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[64adb03] | 44 | Type::Qualifiers noQualifiers; |
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| 45 | } |
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| 46 | |
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| 47 | //============================================================================================= |
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| 48 | // Visitors declaration |
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| 49 | //============================================================================================= |
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| 50 | |
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[bcda04c] | 51 | //----------------------------------------------------------------------------- |
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| 52 | //Handles sue type declarations : |
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| 53 | // sue MyType { struct MyType { |
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| 54 | // int data; int data; |
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| 55 | // a_struct_t more_data; a_struct_t more_data; |
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| 56 | // => NewField_t newField; |
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| 57 | // }; }; |
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| 58 | // static inline NewField_t * getter_name( MyType * this ) { return &this->newField; } |
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| 59 | // |
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| 60 | class ConcurrentSueKeyword : public Visitor { |
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| 61 | protected: |
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| 62 | template< typename Visitor > |
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| 63 | friend void SymTab::acceptAndAdd( std::list< Declaration * > &translationUnit, Visitor &visitor ); |
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| 64 | public: |
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| 65 | |
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[bd4d011] | 66 | ConcurrentSueKeyword( std::string&& type_name, std::string&& field_name, std::string&& getter_name, std::string&& context_error, bool needs_main ) : |
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| 67 | 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] | 68 | |
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| 69 | virtual ~ConcurrentSueKeyword() {} |
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| 70 | |
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| 71 | using Visitor::visit; |
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| 72 | virtual void visit( StructDecl * decl ) override final; |
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| 73 | |
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| 74 | void handle( StructDecl * ); |
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| 75 | FunctionDecl * forwardDeclare( StructDecl * ); |
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| 76 | ObjectDecl * addField( StructDecl * ); |
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[2f9a722] | 77 | void addRoutines( ObjectDecl *, FunctionDecl * ); |
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[bcda04c] | 78 | |
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| 79 | virtual bool is_target( StructDecl * decl ) = 0; |
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| 80 | |
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| 81 | private: |
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| 82 | const std::string type_name; |
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| 83 | const std::string field_name; |
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| 84 | const std::string getter_name; |
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| 85 | const std::string context_error; |
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[bd4d011] | 86 | bool needs_main; |
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[bcda04c] | 87 | |
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| 88 | std::list< Declaration * > declsToAdd, declsToAddAfter; |
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| 89 | StructDecl* type_decl = nullptr; |
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| 90 | }; |
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| 91 | |
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| 92 | |
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[64adb03] | 93 | //----------------------------------------------------------------------------- |
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| 94 | //Handles thread type declarations : |
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| 95 | // thread Mythread { struct MyThread { |
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| 96 | // int data; int data; |
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| 97 | // a_struct_t more_data; a_struct_t more_data; |
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| 98 | // => thread_desc __thrd_d; |
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| 99 | // }; }; |
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| 100 | // static inline thread_desc * get_thread( MyThread * this ) { return &this->__thrd_d; } |
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| 101 | // |
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[bcda04c] | 102 | class ThreadKeyword final : public ConcurrentSueKeyword { |
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[64adb03] | 103 | public: |
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| 104 | |
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[bcda04c] | 105 | ThreadKeyword() : ConcurrentSueKeyword( |
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| 106 | "thread_desc", |
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| 107 | "__thrd", |
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| 108 | "get_thread", |
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[bd4d011] | 109 | "thread keyword requires threads to be in scope, add #include <thread>", |
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| 110 | true |
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[bcda04c] | 111 | ) |
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| 112 | {} |
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| 113 | |
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| 114 | virtual ~ThreadKeyword() {} |
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| 115 | |
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| 116 | virtual bool is_target( StructDecl * decl ) override final { return decl->is_thread(); } |
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| 117 | |
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| 118 | static void implement( std::list< Declaration * > & translationUnit ) { |
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| 119 | ThreadKeyword impl; |
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| 120 | SymTab::acceptAndAdd( translationUnit, impl ); |
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| 121 | } |
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[64adb03] | 122 | }; |
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| 123 | |
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| 124 | //----------------------------------------------------------------------------- |
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| 125 | //Handles coroutine type declarations : |
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| 126 | // coroutine MyCoroutine { struct MyCoroutine { |
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| 127 | // int data; int data; |
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| 128 | // a_struct_t more_data; a_struct_t more_data; |
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| 129 | // => coroutine_desc __cor_d; |
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| 130 | // }; }; |
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| 131 | // static inline coroutine_desc * get_coroutine( MyCoroutine * this ) { return &this->__cor_d; } |
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| 132 | // |
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[bcda04c] | 133 | class CoroutineKeyword final : public ConcurrentSueKeyword { |
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[64adb03] | 134 | public: |
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| 135 | |
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[bcda04c] | 136 | CoroutineKeyword() : ConcurrentSueKeyword( |
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| 137 | "coroutine_desc", |
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| 138 | "__cor", |
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| 139 | "get_coroutine", |
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[bd4d011] | 140 | "coroutine keyword requires coroutines to be in scope, add #include <coroutine>", |
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| 141 | true |
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[bcda04c] | 142 | ) |
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| 143 | {} |
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[b32ada31] | 144 | |
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[bcda04c] | 145 | virtual ~CoroutineKeyword() {} |
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| 146 | |
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| 147 | virtual bool is_target( StructDecl * decl ) override final { return decl->is_coroutine(); } |
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[b32ada31] | 148 | |
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| 149 | static void implement( std::list< Declaration * > & translationUnit ) { |
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| 150 | CoroutineKeyword impl; |
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| 151 | SymTab::acceptAndAdd( translationUnit, impl ); |
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| 152 | } |
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[64adb03] | 153 | }; |
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| 154 | |
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| 155 | //----------------------------------------------------------------------------- |
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| 156 | //Handles monitor type declarations : |
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| 157 | // monitor MyMonitor { struct MyMonitor { |
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| 158 | // int data; int data; |
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| 159 | // a_struct_t more_data; a_struct_t more_data; |
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| 160 | // => monitor_desc __mon_d; |
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| 161 | // }; }; |
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| 162 | // static inline monitor_desc * get_coroutine( MyMonitor * this ) { return &this->__cor_d; } |
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| 163 | // |
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[bcda04c] | 164 | class MonitorKeyword final : public ConcurrentSueKeyword { |
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[64adb03] | 165 | public: |
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| 166 | |
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[bcda04c] | 167 | MonitorKeyword() : ConcurrentSueKeyword( |
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| 168 | "monitor_desc", |
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| 169 | "__mon", |
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| 170 | "get_monitor", |
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[bd4d011] | 171 | "monitor keyword requires monitors to be in scope, add #include <monitor>", |
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| 172 | false |
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[bcda04c] | 173 | ) |
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| 174 | {} |
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| 175 | |
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| 176 | virtual ~MonitorKeyword() {} |
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| 177 | |
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| 178 | virtual bool is_target( StructDecl * decl ) override final { return decl->is_monitor(); } |
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| 179 | |
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| 180 | static void implement( std::list< Declaration * > & translationUnit ) { |
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| 181 | MonitorKeyword impl; |
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| 182 | SymTab::acceptAndAdd( translationUnit, impl ); |
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| 183 | } |
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[64adb03] | 184 | }; |
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| 185 | |
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| 186 | //----------------------------------------------------------------------------- |
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| 187 | //Handles mutex routines definitions : |
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| 188 | // void foo( A * mutex a, B * mutex b, int i ) { void foo( A * a, B * b, int i ) { |
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[9243cc91] | 189 | // monitor_desc * __monitors[] = { get_monitor(a), get_monitor(b) }; |
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[64adb03] | 190 | // monitor_guard_t __guard = { __monitors, 2 }; |
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| 191 | // /*Some code*/ => /*Some code*/ |
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| 192 | // } } |
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| 193 | // |
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| 194 | class MutexKeyword final : public Visitor { |
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| 195 | public: |
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| 196 | |
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| 197 | using Visitor::visit; |
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[b32ada31] | 198 | virtual void visit( FunctionDecl * decl ) override final; |
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| 199 | virtual void visit( StructDecl * decl ) override final; |
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[64adb03] | 200 | |
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| 201 | std::list<DeclarationWithType*> findMutexArgs( FunctionDecl* ); |
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| 202 | void validate( DeclarationWithType * ); |
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| 203 | void addStatments( CompoundStmt *, const std::list<DeclarationWithType * > &); |
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| 204 | |
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| 205 | static void implement( std::list< Declaration * > & translationUnit ) { |
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| 206 | MutexKeyword impl; |
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| 207 | acceptAll( translationUnit, impl ); |
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| 208 | } |
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[9243cc91] | 209 | |
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| 210 | private: |
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| 211 | StructDecl* monitor_decl = nullptr; |
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[ef42b143] | 212 | StructDecl* guard_decl = nullptr; |
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[64adb03] | 213 | }; |
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| 214 | |
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[bd4d011] | 215 | //----------------------------------------------------------------------------- |
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| 216 | //Handles mutex routines definitions : |
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| 217 | // void foo( A * mutex a, B * mutex b, int i ) { void foo( A * a, B * b, int i ) { |
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| 218 | // monitor_desc * __monitors[] = { get_monitor(a), get_monitor(b) }; |
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| 219 | // monitor_guard_t __guard = { __monitors, 2 }; |
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| 220 | // /*Some code*/ => /*Some code*/ |
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| 221 | // } } |
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| 222 | // |
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| 223 | class ThreadStarter final : public Visitor { |
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| 224 | public: |
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| 225 | |
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| 226 | using Visitor::visit; |
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| 227 | virtual void visit( FunctionDecl * decl ) override final; |
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| 228 | |
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| 229 | void addStartStatement( FunctionDecl * decl, DeclarationWithType * param ); |
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| 230 | |
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| 231 | static void implement( std::list< Declaration * > & translationUnit ) { |
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| 232 | ThreadStarter impl; |
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| 233 | acceptAll( translationUnit, impl ); |
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| 234 | } |
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| 235 | }; |
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| 236 | |
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[64adb03] | 237 | //============================================================================================= |
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| 238 | // General entry routine |
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| 239 | //============================================================================================= |
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| 240 | void applyKeywords( std::list< Declaration * > & translationUnit ) { |
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| 241 | ThreadKeyword ::implement( translationUnit ); |
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| 242 | CoroutineKeyword ::implement( translationUnit ); |
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| 243 | MonitorKeyword ::implement( translationUnit ); |
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[bcda04c] | 244 | } |
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| 245 | |
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| 246 | void implementMutexFuncs( std::list< Declaration * > & translationUnit ) { |
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[64adb03] | 247 | MutexKeyword ::implement( translationUnit ); |
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| 248 | } |
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| 249 | |
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[bcda04c] | 250 | void implementThreadStarter( std::list< Declaration * > & translationUnit ) { |
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[bd4d011] | 251 | ThreadStarter ::implement( translationUnit ); |
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[bcda04c] | 252 | } |
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| 253 | |
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[b32ada31] | 254 | //============================================================================================= |
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[bcda04c] | 255 | // Generic keyword implementation |
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[b32ada31] | 256 | //============================================================================================= |
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[bcda04c] | 257 | void ConcurrentSueKeyword::visit(StructDecl * decl) { |
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[102a58b] | 258 | Visitor::visit(decl); |
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[2f9a722] | 259 | if( decl->get_name() == type_name && decl->has_body() ) { |
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[bcda04c] | 260 | assert( !type_decl ); |
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| 261 | type_decl = decl; |
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[b32ada31] | 262 | } |
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[bcda04c] | 263 | else if ( is_target(decl) ) { |
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[b32ada31] | 264 | handle( decl ); |
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| 265 | } |
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| 266 | |
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| 267 | } |
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| 268 | |
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[bcda04c] | 269 | void ConcurrentSueKeyword::handle( StructDecl * decl ) { |
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[b32ada31] | 270 | if( ! decl->has_body() ) return; |
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| 271 | |
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[bcda04c] | 272 | if( !type_decl ) throw SemanticError( context_error, decl ); |
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[b32ada31] | 273 | |
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[bcda04c] | 274 | FunctionDecl * func = forwardDeclare( decl ); |
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| 275 | ObjectDecl * field = addField( decl ); |
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[2f9a722] | 276 | addRoutines( field, func ); |
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[b32ada31] | 277 | } |
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| 278 | |
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[bcda04c] | 279 | FunctionDecl * ConcurrentSueKeyword::forwardDeclare( StructDecl * decl ) { |
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| 280 | |
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| 281 | StructDecl * forward = decl->clone(); |
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| 282 | forward->set_body( false ); |
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| 283 | deleteAll( forward->get_members() ); |
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| 284 | forward->get_members().clear(); |
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| 285 | |
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[bd4d011] | 286 | FunctionType * get_type = new FunctionType( noQualifiers, false ); |
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[bcda04c] | 287 | ObjectDecl * this_decl = new ObjectDecl( |
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| 288 | "this", |
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[b32ada31] | 289 | noStorage, |
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| 290 | LinkageSpec::Cforall, |
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| 291 | nullptr, |
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[83a071f9] | 292 | new ReferenceType( |
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[b32ada31] | 293 | noQualifiers, |
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[bcda04c] | 294 | new StructInstType( |
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| 295 | noQualifiers, |
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| 296 | decl |
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| 297 | ) |
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[b32ada31] | 298 | ), |
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| 299 | nullptr |
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| 300 | ); |
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| 301 | |
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[bd4d011] | 302 | get_type->get_parameters().push_back( this_decl ); |
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| 303 | get_type->get_returnVals().push_back( |
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[e04b636] | 304 | new ObjectDecl( |
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| 305 | "ret", |
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| 306 | noStorage, |
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| 307 | LinkageSpec::Cforall, |
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| 308 | nullptr, |
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| 309 | new PointerType( |
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| 310 | noQualifiers, |
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| 311 | new StructInstType( |
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| 312 | noQualifiers, |
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[bcda04c] | 313 | type_decl |
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[e04b636] | 314 | ) |
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| 315 | ), |
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| 316 | nullptr |
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| 317 | ) |
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| 318 | ); |
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[b32ada31] | 319 | |
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[bcda04c] | 320 | FunctionDecl * get_decl = new FunctionDecl( |
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| 321 | getter_name, |
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| 322 | Type::Static, |
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| 323 | LinkageSpec::Cforall, |
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[bd4d011] | 324 | get_type, |
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[bcda04c] | 325 | nullptr, |
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| 326 | noAttributes, |
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| 327 | Type::Inline |
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| 328 | ); |
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| 329 | |
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[bd4d011] | 330 | FunctionDecl * main_decl = nullptr; |
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| 331 | |
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| 332 | if( needs_main ) { |
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| 333 | FunctionType * main_type = new FunctionType( noQualifiers, false ); |
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[ce8c12f] | 334 | |
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[bd4d011] | 335 | main_type->get_parameters().push_back( this_decl->clone() ); |
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| 336 | |
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| 337 | main_decl = new FunctionDecl( |
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| 338 | "main", |
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| 339 | noStorage, |
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| 340 | LinkageSpec::Cforall, |
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| 341 | main_type, |
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| 342 | nullptr |
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| 343 | ); |
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| 344 | } |
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| 345 | |
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[bcda04c] | 346 | declsToAdd.push_back( forward ); |
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[bd4d011] | 347 | if( needs_main ) declsToAdd.push_back( main_decl ); |
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[bcda04c] | 348 | declsToAdd.push_back( get_decl ); |
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| 349 | |
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| 350 | return get_decl; |
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| 351 | } |
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| 352 | |
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| 353 | ObjectDecl * ConcurrentSueKeyword::addField( StructDecl * decl ) { |
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| 354 | ObjectDecl * field = new ObjectDecl( |
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| 355 | field_name, |
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| 356 | noStorage, |
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| 357 | LinkageSpec::Cforall, |
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| 358 | nullptr, |
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| 359 | new StructInstType( |
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| 360 | noQualifiers, |
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| 361 | type_decl |
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| 362 | ), |
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| 363 | nullptr |
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| 364 | ); |
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| 365 | |
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| 366 | decl->get_members().push_back( field ); |
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| 367 | |
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| 368 | return field; |
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| 369 | } |
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| 370 | |
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[2f9a722] | 371 | void ConcurrentSueKeyword::addRoutines( ObjectDecl * field, FunctionDecl * func ) { |
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[b32ada31] | 372 | CompoundStmt * statement = new CompoundStmt( noLabels ); |
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[ce8c12f] | 373 | statement->push_back( |
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[b32ada31] | 374 | new ReturnStmt( |
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| 375 | noLabels, |
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[e04b636] | 376 | new AddressExpr( |
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[bcda04c] | 377 | new MemberExpr( |
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| 378 | field, |
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| 379 | UntypedExpr::createDeref( new VariableExpr( func->get_functionType()->get_parameters().front() ) ) |
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[e04b636] | 380 | ) |
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[b32ada31] | 381 | ) |
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| 382 | ) |
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| 383 | ); |
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| 384 | |
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[bcda04c] | 385 | FunctionDecl * get_decl = func->clone(); |
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| 386 | |
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| 387 | get_decl->set_statements( statement ); |
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[e04b636] | 388 | |
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| 389 | declsToAddAfter.push_back( get_decl ); |
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| 390 | |
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[bcda04c] | 391 | // get_decl->fixUniqueId(); |
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[b32ada31] | 392 | } |
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| 393 | |
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[64adb03] | 394 | //============================================================================================= |
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| 395 | // Mutex keyword implementation |
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| 396 | //============================================================================================= |
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| 397 | void MutexKeyword::visit(FunctionDecl* decl) { |
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[ce8c12f] | 398 | Visitor::visit(decl); |
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[102a58b] | 399 | |
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[64adb03] | 400 | std::list<DeclarationWithType*> mutexArgs = findMutexArgs( decl ); |
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| 401 | if( mutexArgs.empty() ) return; |
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| 402 | |
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| 403 | for(auto arg : mutexArgs) { |
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| 404 | validate( arg ); |
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| 405 | } |
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| 406 | |
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| 407 | CompoundStmt* body = decl->get_statements(); |
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| 408 | if( ! body ) return; |
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| 409 | |
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[b32ada31] | 410 | if( !monitor_decl ) throw SemanticError( "mutex keyword requires monitors to be in scope, add #include <monitor>", decl ); |
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| 411 | if( !guard_decl ) throw SemanticError( "mutex keyword requires monitors to be in scope, add #include <monitor>", decl ); |
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| 412 | |
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[64adb03] | 413 | addStatments( body, mutexArgs ); |
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| 414 | } |
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| 415 | |
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[9243cc91] | 416 | void MutexKeyword::visit(StructDecl* decl) { |
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[102a58b] | 417 | Visitor::visit(decl); |
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| 418 | |
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[9243cc91] | 419 | if( decl->get_name() == "monitor_desc" ) { |
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| 420 | assert( !monitor_decl ); |
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| 421 | monitor_decl = decl; |
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| 422 | } |
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[ef42b143] | 423 | else if( decl->get_name() == "monitor_guard_t" ) { |
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| 424 | assert( !guard_decl ); |
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| 425 | guard_decl = decl; |
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| 426 | } |
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[9243cc91] | 427 | } |
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| 428 | |
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[64adb03] | 429 | std::list<DeclarationWithType*> MutexKeyword::findMutexArgs( FunctionDecl* decl ) { |
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| 430 | std::list<DeclarationWithType*> mutexArgs; |
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| 431 | |
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| 432 | for( auto arg : decl->get_functionType()->get_parameters()) { |
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| 433 | //Find mutex arguments |
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| 434 | Type* ty = arg->get_type(); |
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[615a096] | 435 | if( ! ty->get_mutex() ) continue; |
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[64adb03] | 436 | |
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| 437 | //Append it to the list |
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| 438 | mutexArgs.push_back( arg ); |
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| 439 | } |
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| 440 | |
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| 441 | return mutexArgs; |
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| 442 | } |
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| 443 | |
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| 444 | void MutexKeyword::validate( DeclarationWithType * arg ) { |
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| 445 | Type* ty = arg->get_type(); |
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| 446 | |
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| 447 | //Makes sure it's not a copy |
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[870d1f0] | 448 | ReferenceType* rty = dynamic_cast< ReferenceType * >( ty ); |
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[83a071f9] | 449 | if( ! rty ) throw SemanticError( "Mutex argument must be of reference type ", arg ); |
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[64adb03] | 450 | |
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| 451 | //Make sure the we are pointing directly to a type |
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[83a071f9] | 452 | Type* base = rty->get_base(); |
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| 453 | if( dynamic_cast< ReferenceType * >( base ) ) throw SemanticError( "Mutex argument have exactly one level of indirection ", arg ); |
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| 454 | if( dynamic_cast< PointerType * >( base ) ) throw SemanticError( "Mutex argument have exactly one level of indirection ", arg ); |
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[64adb03] | 455 | |
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| 456 | //Make sure that typed isn't mutex |
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[e04b636] | 457 | if( base->get_mutex() ) throw SemanticError( "mutex keyword may only appear once per argument ", arg ); |
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[64adb03] | 458 | } |
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| 459 | |
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| 460 | void MutexKeyword::addStatments( CompoundStmt * body, const std::list<DeclarationWithType * > & args ) { |
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[9243cc91] | 461 | ObjectDecl * monitors = new ObjectDecl( |
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| 462 | "__monitors", |
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| 463 | noStorage, |
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| 464 | LinkageSpec::Cforall, |
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| 465 | nullptr, |
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| 466 | new ArrayType( |
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| 467 | noQualifiers, |
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| 468 | new PointerType( |
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| 469 | noQualifiers, |
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| 470 | new StructInstType( |
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| 471 | noQualifiers, |
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| 472 | monitor_decl |
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| 473 | ) |
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| 474 | ), |
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| 475 | new ConstantExpr( Constant::from_ulong( args.size() ) ), |
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| 476 | false, |
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| 477 | false |
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| 478 | ), |
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| 479 | new ListInit( |
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[cb0e6de] | 480 | map_range < std::list<Initializer*> > ( args, [this](DeclarationWithType * var ){ |
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| 481 | Type * type = var->get_type()->clone(); |
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| 482 | type->set_mutex( false ); |
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[9243cc91] | 483 | return new SingleInit( new UntypedExpr( |
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| 484 | new NameExpr( "get_monitor" ), |
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[cb0e6de] | 485 | { new CastExpr( new VariableExpr( var ), type ) } |
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[9243cc91] | 486 | ) ); |
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| 487 | }) |
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| 488 | ) |
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| 489 | ); |
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| 490 | |
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[64adb03] | 491 | //in reverse order : |
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| 492 | // monitor_guard_t __guard = { __monitors, # }; |
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| 493 | body->push_front( |
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| 494 | new DeclStmt( noLabels, new ObjectDecl( |
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| 495 | "__guard", |
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| 496 | noStorage, |
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| 497 | LinkageSpec::Cforall, |
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| 498 | nullptr, |
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| 499 | new StructInstType( |
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| 500 | noQualifiers, |
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[ef42b143] | 501 | guard_decl |
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[64adb03] | 502 | ), |
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| 503 | new ListInit( |
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| 504 | { |
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[9243cc91] | 505 | new SingleInit( new VariableExpr( monitors ) ), |
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[64adb03] | 506 | new SingleInit( new ConstantExpr( Constant::from_ulong( args.size() ) ) ) |
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[ef42b143] | 507 | }, |
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| 508 | noDesignators, |
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| 509 | true |
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[64adb03] | 510 | ) |
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| 511 | )) |
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| 512 | ); |
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| 513 | |
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[ef42b143] | 514 | //monitor_desc * __monitors[] = { get_monitor(a), get_monitor(b) }; |
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[9243cc91] | 515 | body->push_front( new DeclStmt( noLabels, monitors) ); |
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[64adb03] | 516 | } |
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[bd4d011] | 517 | |
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| 518 | //============================================================================================= |
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| 519 | // General entry routine |
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| 520 | //============================================================================================= |
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| 521 | void ThreadStarter::visit(FunctionDecl * decl) { |
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[102a58b] | 522 | Visitor::visit(decl); |
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[ce8c12f] | 523 | |
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[bff227f] | 524 | if( ! CodeGen::isConstructor(decl->get_name()) ) return; |
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[bd4d011] | 525 | |
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| 526 | DeclarationWithType * param = decl->get_functionType()->get_parameters().front(); |
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[ce8c12f] | 527 | auto type = dynamic_cast< StructInstType * >( InitTweak::getPointerBase( param->get_type() ) ); |
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[bd4d011] | 528 | // if( type ) std::cerr << "FRED2" << std::endl; |
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| 529 | if( type && type->get_baseStruct()->is_thread() ) { |
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| 530 | addStartStatement( decl, param ); |
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| 531 | } |
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| 532 | } |
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| 533 | |
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| 534 | void ThreadStarter::addStartStatement( FunctionDecl * decl, DeclarationWithType * param ) { |
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| 535 | CompoundStmt * stmt = decl->get_statements(); |
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| 536 | |
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| 537 | if( ! stmt ) return; |
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| 538 | |
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[ce8c12f] | 539 | stmt->push_back( |
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[bd4d011] | 540 | new ExprStmt( |
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| 541 | noLabels, |
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| 542 | new UntypedExpr( |
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| 543 | new NameExpr( "__thrd_start" ), |
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| 544 | { new VariableExpr( param ) } |
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| 545 | ) |
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| 546 | ) |
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| 547 | ); |
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| 548 | } |
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[68fe077a] | 549 | }; |
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[6b0b624] | 550 | |
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| 551 | // Local Variables: // |
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| 552 | // mode: c // |
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| 553 | // tab-width: 4 // |
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| 554 | // End: // |
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