| 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 | // DeclMutator.h -- | 
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| 8 | // | 
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| 9 | // Author           : Aaron B. Moss | 
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| 10 | // Created On       : Fri Nov 27 14:44:00 2015 | 
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| 11 | // Last Modified By : Peter A. Buhr | 
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| 12 | // Last Modified On : Tue Jul 12 17:39:01 2016 | 
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| 13 | // Update Count     : 2 | 
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| 14 | // | 
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| 15 |  | 
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| 16 | #ifndef _DECLMUTATOR_H | 
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| 17 | #define _DECLMUTATOR_H | 
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| 18 |  | 
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| 19 | #include <list> | 
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| 20 | #include <vector> | 
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| 21 |  | 
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| 22 | #include "SynTree/SynTree.h" | 
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| 23 | #include "SynTree/Declaration.h" | 
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| 24 | #include "SynTree/Mutator.h" | 
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| 25 |  | 
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| 26 | namespace GenPoly { | 
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| 27 | /// Mutates a list of declarations, providing a means of adding new declarations into the list | 
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| 28 | class DeclMutator : public Mutator { | 
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| 29 | public: | 
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| 30 | typedef Mutator Parent; | 
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| 31 |  | 
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| 32 | DeclMutator(); | 
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| 33 | virtual ~DeclMutator(); | 
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| 34 |  | 
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| 35 | using Parent::mutate; | 
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| 36 | virtual CompoundStmt* mutate(CompoundStmt *compoundStmt); | 
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| 37 | virtual Statement* mutate(IfStmt *ifStmt); | 
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| 38 | virtual Statement* mutate(WhileStmt *whileStmt); | 
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| 39 | virtual Statement* mutate(ForStmt *forStmt); | 
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| 40 | virtual Statement* mutate(SwitchStmt *switchStmt); | 
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| 41 | virtual Statement* mutate(CaseStmt *caseStmt); | 
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| 42 | virtual Statement* mutate(TryStmt *tryStmt); | 
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| 43 | virtual Statement* mutate(CatchStmt *catchStmt); | 
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| 44 |  | 
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| 45 | /// Mutates a list of declarations with this visitor | 
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| 46 | void mutateDeclarationList(std::list< Declaration* >& decls); | 
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| 47 |  | 
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| 48 | /// Called on entry to a new scope; overriders should call this as a super-class call | 
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| 49 | virtual void doBeginScope(); | 
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| 50 | /// Called on exit from a scope; overriders should call this as a super-class call | 
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| 51 | virtual void doEndScope(); | 
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| 52 | protected: | 
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| 53 | /// Mutate a statement that forms its own scope | 
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| 54 | Statement* mutateStatement( Statement *stmt ); | 
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| 55 | /// Mutate a list of statements that form a scope | 
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| 56 | void mutateStatementList( std::list< Statement* > &stmts ); | 
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| 57 | /// Add a declaration to the list to be added before the current position | 
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| 58 | void addDeclaration( Declaration* decl ); | 
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| 59 | /// Add a declaration to the list to be added after the current position | 
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| 60 | void addDeclarationAfter( Declaration* decl ); | 
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| 61 | private: | 
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| 62 | /// A stack of declarations to add before the current declaration or statement | 
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| 63 | std::vector< std::list< Declaration* > > declsToAdd; | 
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| 64 | /// A stack of declarations to add after the current declaration or statement | 
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| 65 | std::vector< std::list< Declaration* > > declsToAddAfter; | 
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| 66 | }; | 
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| 67 | } // namespace | 
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| 68 |  | 
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| 69 | #endif // _DECLMUTATOR_H | 
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| 70 |  | 
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| 71 | // Local Variables: // | 
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| 72 | // tab-width: 4 // | 
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| 73 | // mode: c++ // | 
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| 74 | // compile-command: "make install" // | 
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| 75 | // End: // | 
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