| 1 | //
|
|---|
| 2 | // Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
|
|---|
| 3 | //
|
|---|
| 4 | // The contents of this file are covered under the licence agreement in the
|
|---|
| 5 | // file "LICENCE" distributed with Cforall.
|
|---|
| 6 | //
|
|---|
| 7 | // FindFunction.cc --
|
|---|
| 8 | //
|
|---|
| 9 | // Author : Richard C. Bilson
|
|---|
| 10 | // Created On : Mon May 18 07:44:20 2015
|
|---|
| 11 | // Last Modified By : Rob Schluntz
|
|---|
| 12 | // Last Modified On : Fri Feb 05 12:22:20 2016
|
|---|
| 13 | // Update Count : 6
|
|---|
| 14 | //
|
|---|
| 15 |
|
|---|
| 16 | #include "FindFunction.h"
|
|---|
| 17 | #include "SynTree/Type.h"
|
|---|
| 18 | #include "SynTree/Declaration.h"
|
|---|
| 19 | #include "SynTree/Visitor.h"
|
|---|
| 20 |
|
|---|
| 21 | #include "ScrubTyVars.h"
|
|---|
| 22 |
|
|---|
| 23 | namespace GenPoly {
|
|---|
| 24 | class FindFunction : public Mutator {
|
|---|
| 25 | public:
|
|---|
| 26 | FindFunction( std::list< FunctionType* > &functions, const TyVarMap &tyVars, bool replaceMode, FindFunctionPredicate predicate );
|
|---|
| 27 |
|
|---|
| 28 | virtual Type *mutate( FunctionType *functionType );
|
|---|
| 29 | virtual Type *mutate( PointerType *pointerType );
|
|---|
| 30 | private:
|
|---|
| 31 | void handleForall( const std::list< TypeDecl* > &forall );
|
|---|
| 32 |
|
|---|
| 33 | std::list< FunctionType* > &functions;
|
|---|
| 34 | TyVarMap tyVars;
|
|---|
| 35 | bool replaceMode;
|
|---|
| 36 | FindFunctionPredicate predicate;
|
|---|
| 37 | };
|
|---|
| 38 |
|
|---|
| 39 | void findFunction( Type *type, std::list< FunctionType* > &functions, const TyVarMap &tyVars, FindFunctionPredicate predicate ) {
|
|---|
| 40 | FindFunction finder( functions, tyVars, false, predicate );
|
|---|
| 41 | type->acceptMutator( finder );
|
|---|
| 42 | }
|
|---|
| 43 |
|
|---|
| 44 | void findAndReplaceFunction( Type *&type, std::list< FunctionType* > &functions, const TyVarMap &tyVars, FindFunctionPredicate predicate ) {
|
|---|
| 45 | FindFunction finder( functions, tyVars, true, predicate );
|
|---|
| 46 | type = type->acceptMutator( finder );
|
|---|
| 47 | }
|
|---|
| 48 |
|
|---|
| 49 | FindFunction::FindFunction( std::list< FunctionType* > &functions, const TyVarMap &tyVars, bool replaceMode, FindFunctionPredicate predicate )
|
|---|
| 50 | : functions( functions ), tyVars( tyVars ), replaceMode( replaceMode ), predicate( predicate ) {
|
|---|
| 51 | }
|
|---|
| 52 |
|
|---|
| 53 | void FindFunction::handleForall( const std::list< TypeDecl* > &forall ) {
|
|---|
| 54 | for ( std::list< TypeDecl* >::const_iterator i = forall.begin(); i != forall.end(); ++i ) {
|
|---|
| 55 | TyVarMap::iterator var = tyVars.find( (*i)->get_name() );
|
|---|
| 56 | if ( var != tyVars.end() ) {
|
|---|
| 57 | tyVars.erase( var->first );
|
|---|
| 58 | } // if
|
|---|
| 59 | } // for
|
|---|
| 60 | }
|
|---|
| 61 |
|
|---|
| 62 | Type * FindFunction::mutate( FunctionType *functionType ) {
|
|---|
| 63 | tyVars.beginScope();
|
|---|
| 64 | handleForall( functionType->get_forall() );
|
|---|
| 65 | mutateAll( functionType->get_returnVals(), *this );
|
|---|
| 66 | Type *ret = functionType;
|
|---|
| 67 | if ( predicate( functionType, tyVars ) ) {
|
|---|
| 68 | functions.push_back( functionType );
|
|---|
| 69 | if ( replaceMode ) {
|
|---|
| 70 | // replace type parameters in function type with void*
|
|---|
| 71 | ret = ScrubTyVars::scrub( functionType->clone(), tyVars );
|
|---|
| 72 | } // if
|
|---|
| 73 | } // if
|
|---|
| 74 | tyVars.endScope();
|
|---|
| 75 | return ret;
|
|---|
| 76 | }
|
|---|
| 77 |
|
|---|
| 78 | Type * FindFunction::mutate( PointerType *pointerType ) {
|
|---|
| 79 | tyVars.beginScope();
|
|---|
| 80 | handleForall( pointerType->get_forall() );
|
|---|
| 81 | Type *ret = Mutator::mutate( pointerType );
|
|---|
| 82 | tyVars.endScope();
|
|---|
| 83 | return ret;
|
|---|
| 84 | }
|
|---|
| 85 | } // namespace GenPoly
|
|---|
| 86 |
|
|---|
| 87 | // Local Variables: //
|
|---|
| 88 | // tab-width: 4 //
|
|---|
| 89 | // mode: c++ //
|
|---|
| 90 | // compile-command: "make install" //
|
|---|
| 91 | // End: //
|
|---|
