[eb779d5] | 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 | // Corun.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 : Monday October 9 15:16:42 2023 |
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| 11 | // Last Modified By : Colby Parsons |
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| 12 | // Last Modified On : Monday October 9 15:16:42 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/Decl.hpp" |
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| 17 | #include "AST/Expr.hpp" |
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| 18 | #include "AST/Pass.hpp" |
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| 19 | #include "AST/Stmt.hpp" |
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| 20 | #include "AST/TranslationUnit.hpp" |
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| 21 | #include "Common/UniqueName.h" |
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| 22 | using namespace ast; |
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| 23 | using namespace std; |
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| 24 | |
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| 25 | namespace Concurrency { |
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| 26 | |
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| 27 | struct CorunKeyword : public WithDeclsToAdd<>, public WithStmtsToAdd<> { |
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| 28 | UniqueName CorunFnNamer = "__CFA_corun_lambda_"s; |
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| 29 | UniqueName RunnerBlockNamer = "__CFA_corun_block_"s; |
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| 30 | |
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| 31 | const StructDecl * runnerBlockDecl = nullptr; |
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| 32 | |
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| 33 | // Finds select_node decl |
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| 34 | void previsit( const StructDecl * decl ) { |
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| 35 | if ( !decl->body ) { |
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| 36 | return; |
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| 37 | } else if ( "runner_block" == decl->name ) { |
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| 38 | assert( !runnerBlockDecl ); |
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| 39 | runnerBlockDecl = decl; |
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| 40 | } |
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| 41 | } |
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| 42 | |
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| 43 | Stmt * postvisit( const CorunStmt * stmt ) { |
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[cf3da24] | 44 | if ( !runnerBlockDecl ) |
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[72b518fc] | 45 | SemanticError( stmt->location, "To use corun statements add #include <cofor.hfa>\n" ); |
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| 46 | |
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[eb779d5] | 47 | if ( !stmt->stmt ) |
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| 48 | return nullptr; |
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[cf3da24] | 49 | |
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[eb779d5] | 50 | const CodeLocation & loc = stmt->location; |
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| 51 | const string fnName = CorunFnNamer.newName(); |
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| 52 | const string objName = RunnerBlockNamer.newName(); |
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| 53 | |
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| 54 | // Generates: |
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| 55 | // void __CFA_corun_lambda_() { ... stmt->stmt ... } |
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| 56 | Stmt * runnerLambda = new DeclStmt( loc, |
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| 57 | new FunctionDecl( loc, |
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| 58 | fnName, // name |
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| 59 | {}, // forall |
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| 60 | {}, // params |
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| 61 | {}, // return |
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| 62 | new CompoundStmt( loc, { deepCopy(stmt->stmt) } ) // body |
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| 63 | ) |
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| 64 | ); |
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| 65 | |
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| 66 | // Generates: |
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| 67 | // runner_block __CFA_corun_block_; |
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| 68 | Stmt * objDecl = new DeclStmt( loc, |
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| 69 | new ObjectDecl( loc, |
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| 70 | objName, |
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| 71 | new StructInstType( runnerBlockDecl ) |
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| 72 | ) |
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| 73 | ); |
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| 74 | |
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| 75 | // Generates: |
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| 76 | // __CFA_corun_block_{ __CFA_corun_lambda_ }; |
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| 77 | Stmt * threadStart = new ExprStmt( loc, |
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[cf3da24] | 78 | new UntypedExpr ( loc, |
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[eb779d5] | 79 | new NameExpr( loc, "?{}" ), |
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| 80 | { |
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| 81 | new NameExpr( loc, objName ), |
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| 82 | new NameExpr( loc, fnName ) |
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| 83 | } |
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| 84 | ) |
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| 85 | ); |
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| 86 | |
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| 87 | stmtsToAddBefore.push_back( runnerLambda ); |
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| 88 | stmtsToAddBefore.push_back( objDecl ); |
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| 89 | |
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| 90 | return threadStart; |
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| 91 | } |
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| 92 | }; |
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| 93 | |
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| 94 | void implementCorun( TranslationUnit & translationUnit ) { |
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| 95 | Pass<CorunKeyword>::run( translationUnit ); |
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| 96 | } |
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| 97 | |
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[cf3da24] | 98 | } // namespace Concurrency |
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