| 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 | // FixFunction.cc -- |
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| 8 | // |
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| 9 | // Author : Richard C. Bilson |
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| 10 | // Created On : Sun May 17 16:19:49 2015 |
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| 11 | // Last Modified By : Peter A. Buhr |
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| 12 | // Last Modified On : Mon Mar 6 23:36:59 2017 |
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| 13 | // Update Count : 6 |
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| 14 | // |
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| 15 | |
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| 16 | #include "FixFunction.h" |
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| 17 | |
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| 18 | #include <list> // for list |
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| 19 | |
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| 20 | #include "Common/utility.h" // for maybeClone |
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| 21 | #include "SynTree/Declaration.h" // for FunctionDecl, ObjectDecl, Declarati... |
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| 22 | #include "SynTree/Expression.h" // for Expression |
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| 23 | #include "SynTree/Type.h" // for ArrayType, PointerType, Type, Basic... |
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| 24 | |
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| 25 | namespace SymTab { |
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| 26 | FixFunction::FixFunction() : isVoid( false ) {} |
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| 27 | |
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| 28 | |
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| 29 | DeclarationWithType * FixFunction::postmutate(FunctionDecl *functionDecl) { |
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| 30 | return new ObjectDecl{ |
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| 31 | functionDecl->name, functionDecl->get_storageClasses(), functionDecl->linkage, nullptr, |
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| 32 | new PointerType{ Type::Qualifiers(), functionDecl->type }, |
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| 33 | nullptr, functionDecl->attributes }; |
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| 34 | } |
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| 35 | |
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| 36 | // xxx - this passes on void[], e.g. |
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| 37 | // void foo(void [10]); |
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| 38 | // does not cause an error |
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| 39 | |
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| 40 | Type * FixFunction::postmutate(ArrayType *arrayType) { |
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| 41 | // need to recursively mutate the base type in order for multi-dimensional arrays to work. |
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| 42 | return new PointerType{ arrayType->get_qualifiers(), arrayType->base, arrayType->dimension, arrayType->isVarLen, arrayType->isStatic }; |
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| 43 | } |
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| 44 | |
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| 45 | void FixFunction::premutate(VoidType *) { |
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| 46 | isVoid = true; |
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| 47 | } |
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| 48 | |
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| 49 | void FixFunction::premutate(FunctionDecl *) { visit_children = false; } |
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| 50 | void FixFunction::premutate(ArrayType *) { visit_children = false; } |
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| 51 | void FixFunction::premutate(BasicType *) { visit_children = false; } |
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| 52 | void FixFunction::premutate(PointerType *) { visit_children = false; } |
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| 53 | void FixFunction::premutate(StructInstType *) { visit_children = false; } |
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| 54 | void FixFunction::premutate(UnionInstType *) { visit_children = false; } |
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| 55 | void FixFunction::premutate(EnumInstType *) { visit_children = false; } |
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| 56 | void FixFunction::premutate(TraitInstType *) { visit_children = false; } |
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| 57 | void FixFunction::premutate(TypeInstType *) { visit_children = false; } |
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| 58 | void FixFunction::premutate(TupleType *) { visit_children = false; } |
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| 59 | void FixFunction::premutate(VarArgsType *) { visit_children = false; } |
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| 60 | void FixFunction::premutate(ZeroType *) { visit_children = false; } |
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| 61 | void FixFunction::premutate(OneType *) { visit_children = false; } |
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| 62 | |
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| 63 | bool fixFunction( DeclarationWithType *& dwt ) { |
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| 64 | PassVisitor<FixFunction> fixer; |
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| 65 | dwt = dwt->acceptMutator( fixer ); |
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| 66 | return fixer.pass.isVoid; |
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| 67 | } |
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| 68 | } // namespace SymTab |
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| 69 | |
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| 70 | // Local Variables: // |
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| 71 | // tab-width: 4 // |
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| 72 | // mode: c++ // |
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| 73 | // compile-command: "make install" // |
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| 74 | // End: // |
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