[3dd8f42] | 1 | // |
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo |
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| 3 | // |
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| 4 | // The contents of this file are covered under the licence agreement in the |
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| 5 | // file "LICENCE" distributed with Cforall. |
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| 6 | // |
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| 7 | // Actors.cpp -- generate code needed by the actor system |
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| 8 | // |
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| 9 | // Author : Colby Parsons |
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| 10 | // Created On : Thurs Jan 19 15:34:00 2023 |
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| 11 | // Last Modified By : Colby Parsons |
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| 12 | // Last Modified On : Thurs Jan 19 15:34:00 2023 |
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| 13 | // Update Count : 0 |
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| 14 | // |
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| 15 | |
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| 16 | #include "AST/Print.hpp" |
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| 17 | #include "AST/Decl.hpp" |
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| 18 | #include "AST/Pass.hpp" |
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| 19 | #include "AST/Type.hpp" |
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| 20 | #include "AST/Stmt.hpp" |
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| 21 | #include "AST/TranslationUnit.hpp" |
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| 22 | #include "AST/Expr.hpp" |
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[96ddc62] | 23 | #include <algorithm> |
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[3dd8f42] | 24 | using namespace ast; |
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[96ddc62] | 25 | using namespace std; |
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[3dd8f42] | 26 | |
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| 27 | namespace Concurrency { |
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| 28 | |
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| 29 | struct CollectactorStructDecls : public ast::WithGuards { |
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[96ddc62] | 30 | unordered_set<const StructDecl *> & actorStructDecls; |
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| 31 | unordered_set<const StructDecl *> & messageStructDecls; |
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[3dd8f42] | 32 | const StructDecl ** requestDecl; |
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| 33 | const EnumDecl ** allocationDecl; |
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| 34 | const StructDecl ** actorDecl; |
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| 35 | const StructDecl ** msgDecl; |
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| 36 | StructDecl * parentDecl; |
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| 37 | bool insideStruct = false; |
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[a8e8c67] | 38 | bool namedDecl = false; |
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[3dd8f42] | 39 | |
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[a8e8c67] | 40 | // finds and sets a ptr to the Allocation enum, which is needed in the next pass |
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[3dd8f42] | 41 | void previsit( const EnumDecl * decl ) { |
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| 42 | if( decl->name == "Allocation" ) *allocationDecl = decl; |
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| 43 | } |
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| 44 | |
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[a8e8c67] | 45 | // finds and sets a ptr to the actor, message, and request structs, which are needed in the next pass |
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[3dd8f42] | 46 | void previsit( const StructDecl * decl ) { |
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[3830c84] | 47 | if ( !decl->body ) return; |
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| 48 | if ( decl->name == "actor" ) { |
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| 49 | actorStructDecls.insert( decl ); // skip inserting fwd decl |
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[231e1ae] | 50 | *actorDecl = decl; |
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[3830c84] | 51 | } else if( decl->name == "message" ) { |
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| 52 | messageStructDecls.insert( decl ); // skip inserting fwd decl |
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[231e1ae] | 53 | *msgDecl = decl; |
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[3830c84] | 54 | } else if( decl->name == "request" ) *requestDecl = decl; |
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| 55 | else { |
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| 56 | GuardValue(insideStruct); |
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| 57 | insideStruct = true; |
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| 58 | parentDecl = mutate( decl ); |
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[231e1ae] | 59 | } |
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[3dd8f42] | 60 | } |
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| 61 | |
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[a8e8c67] | 62 | // this catches structs of the form: |
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| 63 | // struct dummy_actor { actor a; }; |
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| 64 | // since they should be: |
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| 65 | // struct dummy_actor { inline actor; }; |
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| 66 | void previsit ( const ObjectDecl * decl ) { |
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| 67 | if ( insideStruct && ! decl->name.empty() ) { |
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| 68 | GuardValue(namedDecl); |
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| 69 | namedDecl = true; |
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| 70 | } |
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| 71 | } |
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| 72 | |
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[3830c84] | 73 | // this collects the derived actor and message struct decl ptrs |
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[3dd8f42] | 74 | void postvisit( const StructInstType * node ) { |
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| 75 | if ( ! *actorDecl || ! *msgDecl ) return; |
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[a8e8c67] | 76 | if ( insideStruct && !namedDecl ) { |
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[3830c84] | 77 | auto actorIter = actorStructDecls.find( node->aggr() ); |
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| 78 | if ( actorIter != actorStructDecls.end() ) { |
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[96ddc62] | 79 | actorStructDecls.insert( parentDecl ); |
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[3830c84] | 80 | return; |
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| 81 | } |
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| 82 | auto messageIter = messageStructDecls.find( node->aggr() ); |
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| 83 | if ( messageIter != messageStructDecls.end() ) { |
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[96ddc62] | 84 | messageStructDecls.insert( parentDecl ); |
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[3dd8f42] | 85 | } |
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| 86 | } |
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| 87 | } |
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| 88 | |
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| 89 | public: |
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[96ddc62] | 90 | CollectactorStructDecls( unordered_set<const StructDecl *> & actorStructDecls, unordered_set<const StructDecl *> & messageStructDecls, |
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[3dd8f42] | 91 | const StructDecl ** requestDecl, const EnumDecl ** allocationDecl, const StructDecl ** actorDecl, const StructDecl ** msgDecl ) |
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| 92 | : actorStructDecls( actorStructDecls ), messageStructDecls( messageStructDecls ), requestDecl( requestDecl ), |
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| 93 | allocationDecl( allocationDecl ), actorDecl(actorDecl), msgDecl(msgDecl) {} |
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| 94 | }; |
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| 95 | |
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[96ddc62] | 96 | // keeps track of all fwdDecls of message routines so that we can hoist them to right after the appropriate decls |
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| 97 | class FwdDeclTable { |
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| 98 | |
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| 99 | // tracks which decls we have seen so that we can hoist the FunctionDecl to the highest point possible |
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| 100 | struct FwdDeclData { |
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| 101 | const StructDecl * actorDecl; |
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| 102 | const StructDecl * msgDecl; |
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| 103 | FunctionDecl * fwdDecl; |
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| 104 | bool actorFound; |
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| 105 | bool msgFound; |
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| 106 | |
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| 107 | bool readyToInsert() { return actorFound && msgFound; } |
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| 108 | bool foundActor() { actorFound = true; return readyToInsert(); } |
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| 109 | bool foundMsg() { msgFound = true; return readyToInsert(); } |
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| 110 | |
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| 111 | FwdDeclData( const StructDecl * actorDecl, const StructDecl * msgDecl, FunctionDecl * fwdDecl ) : |
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| 112 | actorDecl(actorDecl), msgDecl(msgDecl), fwdDecl(fwdDecl), actorFound(false), msgFound(false) {} |
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| 113 | }; |
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| 114 | |
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| 115 | // map indexed by actor struct ptr |
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| 116 | // value is map of all FwdDeclData that contains said actor struct ptr |
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| 117 | // inner map is indexed by the message struct ptr of FwdDeclData |
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| 118 | unordered_map<const StructDecl *, unordered_map<const StructDecl *, FwdDeclData *>> actorMap; |
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| 119 | |
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| 120 | // this map is the same except the outer map is indexed by message ptr and the inner is indexed by actor ptr |
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| 121 | unordered_map<const StructDecl *, unordered_map<const StructDecl *, FwdDeclData *>> msgMap; |
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| 122 | |
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| 123 | void insert( const StructDecl * decl, const StructDecl * otherDecl, unordered_map<const StructDecl *, unordered_map<const StructDecl *, FwdDeclData *>> & map, FwdDeclData * data ) { |
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| 124 | auto iter = map.find( decl ); |
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| 125 | if ( iter != map.end() ) { // if decl exists in map append data to existing inner map |
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| 126 | iter->second.emplace( make_pair( otherDecl, data ) ); |
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| 127 | } else { // else create inner map for key |
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[a8e8c67] | 128 | map.emplace( make_pair( decl, unordered_map<const StructDecl *, FwdDeclData *>( { make_pair( otherDecl, data ) } ) ) ); |
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[96ddc62] | 129 | } |
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| 130 | } |
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| 131 | |
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| 132 | public: |
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| 133 | // insert decl into table so that we can fwd declare it later (average cost: O(1)) |
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| 134 | void insertDecl( const StructDecl * actorDecl, const StructDecl * msgDecl, FunctionDecl * fwdDecl ) { |
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| 135 | FwdDeclData * declToInsert = new FwdDeclData( actorDecl, msgDecl, fwdDecl ); |
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| 136 | insert( actorDecl, msgDecl, actorMap, declToInsert ); |
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| 137 | insert( msgDecl, actorDecl, msgMap, declToInsert ); |
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| 138 | } |
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| 139 | |
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| 140 | // returns list of decls to insert after current struct decl |
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| 141 | // Over the entire pass the runtime of this routine is O(r) where r is the # of receive routines |
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| 142 | list<FunctionDecl *> updateDecl( const StructDecl * decl, bool isMsg ) { |
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| 143 | unordered_map<const StructDecl *, unordered_map<const StructDecl *, FwdDeclData *>> & map = isMsg ? msgMap : actorMap; |
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| 144 | unordered_map<const StructDecl *, unordered_map<const StructDecl *, FwdDeclData *>> & otherMap = isMsg ? actorMap : msgMap; |
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| 145 | auto iter = map.find( decl ); |
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| 146 | list<FunctionDecl *> toInsertAfter; // this is populated with decls that are ready to insert |
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| 147 | if ( iter == map.end() ) return toInsertAfter; |
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| 148 | |
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| 149 | // iterate over inner map |
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[a8e8c67] | 150 | unordered_map<const StructDecl *, FwdDeclData *> & currInnerMap = iter->second; |
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[96ddc62] | 151 | for ( auto innerIter = currInnerMap.begin(); innerIter != currInnerMap.end(); ) { |
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| 152 | FwdDeclData * currentDatum = innerIter->second; |
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| 153 | bool readyToInsert = isMsg ? currentDatum->foundMsg() : currentDatum->foundActor(); |
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| 154 | if ( ! readyToInsert ) { ++innerIter; continue; } |
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| 155 | |
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| 156 | // readyToInsert is true so we are good to insert the forward decl of the message fn |
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| 157 | toInsertAfter.push_back( currentDatum->fwdDecl ); |
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| 158 | |
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| 159 | // need to remove from other map before deleting |
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[a8e8c67] | 160 | // find inner map in other map ( other map is actor map if original is msg map and vice versa ) |
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| 161 | const StructDecl * otherDecl = isMsg ? currentDatum->actorDecl : currentDatum->msgDecl; |
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[96ddc62] | 162 | auto otherMapIter = otherMap.find( otherDecl ); |
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| 163 | |
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| 164 | unordered_map<const StructDecl *, FwdDeclData *> & otherInnerMap = otherMapIter->second; |
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| 165 | |
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| 166 | // find the FwdDeclData we need to remove in the other inner map |
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| 167 | auto otherInnerIter = otherInnerMap.find( decl ); |
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| 168 | |
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| 169 | // remove references to deleted FwdDeclData from current inner map |
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| 170 | innerIter = currInnerMap.erase( innerIter ); // this does the increment so no explicit inc needed |
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| 171 | |
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| 172 | // remove references to deleted FwdDeclData from other inner map |
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| 173 | otherInnerMap.erase( otherInnerIter ); |
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| 174 | |
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| 175 | // if other inner map is now empty, remove key from other outer map |
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| 176 | if ( otherInnerMap.empty() ) |
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| 177 | otherMap.erase( otherDecl ); |
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[a8e8c67] | 178 | |
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| 179 | // now we are safe to delete the FwdDeclData since we are done with it |
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| 180 | // and we have removed all references to it from our data structures |
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| 181 | delete currentDatum; |
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[96ddc62] | 182 | } |
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| 183 | |
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| 184 | // if current inner map is now empty, remove key from outer map. |
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| 185 | // Have to do this after iterating for safety |
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| 186 | if ( currInnerMap.empty() ) |
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| 187 | map.erase( decl ); |
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| 188 | |
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| 189 | return toInsertAfter; |
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| 190 | } |
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| 191 | }; |
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| 192 | |
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[3830c84] | 193 | // generates the definitions of send operators for actors |
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| 194 | // collects data needed for next pass that does the circular defn resolution |
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| 195 | // for message send operators (via table above) |
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| 196 | struct GenFuncsCreateTables : public ast::WithDeclsToAdd<> { |
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[96ddc62] | 197 | unordered_set<const StructDecl *> & actorStructDecls; |
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| 198 | unordered_set<const StructDecl *> & messageStructDecls; |
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[3dd8f42] | 199 | const StructDecl ** requestDecl; |
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| 200 | const EnumDecl ** allocationDecl; |
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| 201 | const StructDecl ** actorDecl; |
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| 202 | const StructDecl ** msgDecl; |
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[96ddc62] | 203 | FwdDeclTable & forwardDecls; |
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[3dd8f42] | 204 | |
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[3830c84] | 205 | // generates the operator for actor message sends |
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[3dd8f42] | 206 | void postvisit( const FunctionDecl * decl ) { |
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[34ed17b] | 207 | // return if not of the form receive( param1, param2 ) or if it is a forward decl |
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| 208 | if ( decl->name != "receive" || decl->params.size() != 2 || !decl->stmts ) return; |
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[3dd8f42] | 209 | |
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| 210 | // the params should be references |
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| 211 | const ReferenceType * derivedActorRef = dynamic_cast<const ReferenceType *>(decl->params.at(0)->get_type()); |
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| 212 | const ReferenceType * derivedMsgRef = dynamic_cast<const ReferenceType *>(decl->params.at(1)->get_type()); |
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| 213 | if ( !derivedActorRef || !derivedMsgRef ) return; |
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| 214 | |
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| 215 | // the references should be to struct instances |
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| 216 | const StructInstType * arg1InstType = dynamic_cast<const StructInstType *>(derivedActorRef->base.get()); |
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| 217 | const StructInstType * arg2InstType = dynamic_cast<const StructInstType *>(derivedMsgRef->base.get()); |
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| 218 | if ( !arg1InstType || !arg2InstType ) return; |
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| 219 | |
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| 220 | // If the struct instances are derived actor and message types then generate the message send routine |
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[96ddc62] | 221 | auto actorIter = actorStructDecls.find( arg1InstType->aggr() ); |
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| 222 | auto messageIter = messageStructDecls.find( arg2InstType->aggr() ); |
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| 223 | if ( actorIter != actorStructDecls.end() && messageIter != messageStructDecls.end() ) { |
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[3dd8f42] | 224 | ////////////////////////////////////////////////////////////////////// |
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| 225 | // The following generates this send message operator routine for all receive(derived_actor &, derived_msg &) functions |
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| 226 | /* |
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| 227 | static inline derived_actor & ?|?( derived_actor & receiver, derived_msg & msg ) { |
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[2d028039] | 228 | request new_req; |
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[3dd8f42] | 229 | Allocation (*my_work_fn)( derived_actor &, derived_msg & ) = receive; |
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| 230 | __receive_fn fn = (__receive_fn)my_work_fn; |
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[2d028039] | 231 | new_req{ &receiver, &msg, fn }; |
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| 232 | send( receiver, new_req ); |
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[3dd8f42] | 233 | return receiver; |
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| 234 | } |
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[046ba23] | 235 | */ |
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[3dd8f42] | 236 | CompoundStmt * sendBody = new CompoundStmt( decl->location ); |
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| 237 | |
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[a64137f] | 238 | // Generates: request new_req; |
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| 239 | sendBody->push_back( new DeclStmt( |
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| 240 | decl->location, |
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| 241 | new ObjectDecl( |
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| 242 | decl->location, |
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| 243 | "new_req", |
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| 244 | new StructInstType( *requestDecl ) |
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| 245 | ) |
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| 246 | )); |
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[3dd8f42] | 247 | |
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| 248 | // Function type is: Allocation (*)( derived_actor &, derived_msg & ) |
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| 249 | FunctionType * derivedReceive = new FunctionType(); |
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| 250 | derivedReceive->params.push_back( ast::deepCopy( derivedActorRef ) ); |
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| 251 | derivedReceive->params.push_back( ast::deepCopy( derivedMsgRef ) ); |
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| 252 | derivedReceive->returns.push_back( new EnumInstType( *allocationDecl ) ); |
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| 253 | |
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| 254 | // Generates: Allocation (*my_work_fn)( derived_actor &, derived_msg & ) = receive; |
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| 255 | sendBody->push_back( new DeclStmt( |
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| 256 | decl->location, |
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| 257 | new ObjectDecl( |
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| 258 | decl->location, |
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| 259 | "my_work_fn", |
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| 260 | new PointerType( derivedReceive ), |
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| 261 | new SingleInit( decl->location, new NameExpr( decl->location, "receive" ) ) |
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| 262 | ) |
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| 263 | )); |
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| 264 | |
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[046ba23] | 265 | // Function type is: Allocation (*)( actor &, message & ) |
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[3dd8f42] | 266 | FunctionType * genericReceive = new FunctionType(); |
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| 267 | genericReceive->params.push_back( new ReferenceType( new StructInstType( *actorDecl ) ) ); |
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| 268 | genericReceive->params.push_back( new ReferenceType( new StructInstType( *msgDecl ) ) ); |
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| 269 | genericReceive->returns.push_back( new EnumInstType( *allocationDecl ) ); |
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| 270 | |
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[046ba23] | 271 | // Generates: Allocation (*fn)( actor &, message & ) = (Allocation (*)( actor &, message & ))my_work_fn; |
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[3dd8f42] | 272 | // More readable synonymous code: |
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| 273 | // typedef Allocation (*__receive_fn)(actor &, message &); |
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| 274 | // __receive_fn fn = (__receive_fn)my_work_fn; |
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| 275 | sendBody->push_back( new DeclStmt( |
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| 276 | decl->location, |
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| 277 | new ObjectDecl( |
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| 278 | decl->location, |
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| 279 | "fn", |
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| 280 | new PointerType( genericReceive ), |
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| 281 | new SingleInit( decl->location, |
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| 282 | new CastExpr( decl->location, new NameExpr( decl->location, "my_work_fn" ), new PointerType( genericReceive ), ExplicitCast ) |
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| 283 | ) |
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| 284 | ) |
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| 285 | )); |
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| 286 | |
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[a64137f] | 287 | // Generates: new_req{ &receiver, &msg, fn }; |
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| 288 | sendBody->push_back( new ExprStmt( |
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| 289 | decl->location, |
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| 290 | new UntypedExpr ( |
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| 291 | decl->location, |
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| 292 | new NameExpr( decl->location, "?{}" ), |
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| 293 | { |
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| 294 | new NameExpr( decl->location, "new_req" ), |
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| 295 | new AddressExpr( new NameExpr( decl->location, "receiver" ) ), |
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| 296 | new AddressExpr( new NameExpr( decl->location, "msg" ) ), |
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| 297 | new NameExpr( decl->location, "fn" ) |
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| 298 | } |
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| 299 | ) |
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| 300 | )); |
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| 301 | |
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| 302 | // Generates: send( receiver, new_req ); |
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| 303 | sendBody->push_back( new ExprStmt( |
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| 304 | decl->location, |
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| 305 | new UntypedExpr ( |
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| 306 | decl->location, |
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| 307 | new NameExpr( decl->location, "send" ), |
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| 308 | { |
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| 309 | { |
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| 310 | new NameExpr( decl->location, "receiver" ), |
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| 311 | new NameExpr( decl->location, "new_req" ) |
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| 312 | } |
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| 313 | } |
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| 314 | ) |
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| 315 | )); |
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[3dd8f42] | 316 | |
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| 317 | // Generates: return receiver; |
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| 318 | sendBody->push_back( new ReturnStmt( decl->location, new NameExpr( decl->location, "receiver" ) ) ); |
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| 319 | |
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| 320 | // put it all together into the complete function decl from above |
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[34ed17b] | 321 | FunctionDecl * sendOperatorFunction = new FunctionDecl( |
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[3dd8f42] | 322 | decl->location, |
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[231e1ae] | 323 | "?<<?", |
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[3dd8f42] | 324 | {}, // forall |
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| 325 | { |
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| 326 | new ObjectDecl( |
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| 327 | decl->location, |
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| 328 | "receiver", |
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| 329 | ast::deepCopy( derivedActorRef ) |
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| 330 | ), |
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| 331 | new ObjectDecl( |
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| 332 | decl->location, |
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| 333 | "msg", |
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| 334 | ast::deepCopy( derivedMsgRef ) |
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| 335 | ) |
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| 336 | }, // params |
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| 337 | { |
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| 338 | new ObjectDecl( |
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| 339 | decl->location, |
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| 340 | "receiver_ret", |
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| 341 | ast::deepCopy( derivedActorRef ) |
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| 342 | ) |
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| 343 | }, |
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[34ed17b] | 344 | nullptr, // body |
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[3dd8f42] | 345 | { Storage::Static }, // storage |
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| 346 | Linkage::Cforall, // linkage |
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| 347 | {}, // attributes |
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| 348 | { Function::Inline } |
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[34ed17b] | 349 | ); |
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| 350 | |
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| 351 | // forward decls to resolve use before decl problem for '|' routines |
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[96ddc62] | 352 | forwardDecls.insertDecl( *actorIter, *messageIter , ast::deepCopy( sendOperatorFunction ) ); |
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[34ed17b] | 353 | |
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| 354 | sendOperatorFunction->stmts = sendBody; |
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| 355 | declsToAddAfter.push_back( sendOperatorFunction ); |
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[3dd8f42] | 356 | } |
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| 357 | } |
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| 358 | |
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| 359 | public: |
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[3830c84] | 360 | GenFuncsCreateTables( unordered_set<const StructDecl *> & actorStructDecls, unordered_set<const StructDecl *> & messageStructDecls, |
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[34ed17b] | 361 | const StructDecl ** requestDecl, const EnumDecl ** allocationDecl, const StructDecl ** actorDecl, const StructDecl ** msgDecl, |
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[96ddc62] | 362 | FwdDeclTable & forwardDecls ) : actorStructDecls(actorStructDecls), messageStructDecls(messageStructDecls), |
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[34ed17b] | 363 | requestDecl(requestDecl), allocationDecl(allocationDecl), actorDecl(actorDecl), msgDecl(msgDecl), forwardDecls(forwardDecls) {} |
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| 364 | }; |
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| 365 | |
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[3830c84] | 366 | |
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| 367 | // separate pass is needed since this pass resolves circular defn issues |
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| 368 | // generates the forward declarations of the send operator for actor routines |
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| 369 | struct FwdDeclOperator : public ast::WithDeclsToAdd<> { |
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[96ddc62] | 370 | unordered_set<const StructDecl *> & actorStructDecls; |
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| 371 | unordered_set<const StructDecl *> & messageStructDecls; |
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| 372 | FwdDeclTable & forwardDecls; |
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| 373 | |
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[3830c84] | 374 | // handles forward declaring the message operator |
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[96ddc62] | 375 | void postvisit( const StructDecl * decl ) { |
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| 376 | list<FunctionDecl *> toAddAfter; |
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| 377 | auto actorIter = actorStructDecls.find( decl ); |
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| 378 | if ( actorIter != actorStructDecls.end() ) { // this is a derived actor decl |
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| 379 | // get list of fwd decls that we can now insert |
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| 380 | toAddAfter = forwardDecls.updateDecl( decl, false ); |
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| 381 | |
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| 382 | // get rid of decl from actorStructDecls since we no longer need it |
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| 383 | actorStructDecls.erase( actorIter ); |
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| 384 | } else { |
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| 385 | auto messageIter = messageStructDecls.find( decl ); |
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| 386 | if ( messageIter == messageStructDecls.end() ) return; |
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| 387 | |
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| 388 | toAddAfter = forwardDecls.updateDecl( decl, true ); |
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| 389 | |
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| 390 | // get rid of decl from messageStructDecls since we no longer need it |
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| 391 | messageStructDecls.erase( messageIter ); |
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| 392 | } |
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[34ed17b] | 393 | |
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[96ddc62] | 394 | // add the fwd decls to declsToAddAfter |
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| 395 | for ( FunctionDecl * func : toAddAfter ) { |
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| 396 | declsToAddAfter.push_back( func ); |
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[34ed17b] | 397 | } |
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| 398 | } |
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| 399 | |
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| 400 | public: |
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[3830c84] | 401 | FwdDeclOperator( unordered_set<const StructDecl *> & actorStructDecls, unordered_set<const StructDecl *> & messageStructDecls, |
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| 402 | FwdDeclTable & forwardDecls ) : actorStructDecls(actorStructDecls), messageStructDecls(messageStructDecls), forwardDecls(forwardDecls) {} |
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[3dd8f42] | 403 | }; |
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| 404 | |
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| 405 | void implementActors( TranslationUnit & translationUnit ) { |
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[96ddc62] | 406 | // unordered_maps to collect all derived actor and message types |
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| 407 | unordered_set<const StructDecl *> actorStructDecls; |
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| 408 | unordered_set<const StructDecl *> messageStructDecls; |
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| 409 | FwdDeclTable forwardDecls; |
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[3dd8f42] | 410 | |
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[34ed17b] | 411 | // for storing through the passes |
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| 412 | // these are populated with various important struct decls |
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[3dd8f42] | 413 | const StructDecl * requestDeclPtr = nullptr; |
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| 414 | const EnumDecl * allocationDeclPtr = nullptr; |
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| 415 | const StructDecl * actorDeclPtr = nullptr; |
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| 416 | const StructDecl * msgDeclPtr = nullptr; |
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| 417 | |
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| 418 | // double pointer to modify local ptrs above |
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| 419 | const StructDecl ** requestDecl = &requestDeclPtr; |
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| 420 | const EnumDecl ** allocationDecl = &allocationDeclPtr; |
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| 421 | const StructDecl ** actorDecl = &actorDeclPtr; |
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| 422 | const StructDecl ** msgDecl = &msgDeclPtr; |
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| 423 | |
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| 424 | // first pass collects ptrs to Allocation enum, request type, and generic receive fn typedef |
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| 425 | // also populates maps of all derived actors and messages |
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| 426 | Pass<CollectactorStructDecls>::run( translationUnit, actorStructDecls, messageStructDecls, requestDecl, |
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| 427 | allocationDecl, actorDecl, msgDecl ); |
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[3830c84] | 428 | |
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| 429 | // check that we have found all the decls we need from <actor.hfa>, if not no need to run the rest of this pass |
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| 430 | if ( !allocationDeclPtr || !requestDeclPtr || !actorDeclPtr || !msgDeclPtr ) |
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| 431 | return; |
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| 432 | |
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[3dd8f42] | 433 | // second pass locates all receive() routines that overload the generic receive fn |
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| 434 | // it then generates the appropriate operator '|' send routines for the receive routines |
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[3830c84] | 435 | Pass<GenFuncsCreateTables>::run( translationUnit, actorStructDecls, messageStructDecls, requestDecl, |
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[34ed17b] | 436 | allocationDecl, actorDecl, msgDecl, forwardDecls ); |
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| 437 | |
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| 438 | // The third pass forward declares operator '|' send routines |
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[3830c84] | 439 | Pass<FwdDeclOperator>::run( translationUnit, actorStructDecls, messageStructDecls, forwardDecls ); |
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[3dd8f42] | 440 | } |
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| 441 | |
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| 442 | |
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| 443 | } // namespace Concurrency |
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| 444 | |
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| 445 | // Local Variables: // |
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| 446 | // tab-width: 4 // |
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| 447 | // mode: c++ // |
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| 448 | // compile-command: "make install" // |
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| 449 | // End: // |
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| 450 | |
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