[1931bb01] | 1 | // |
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2018 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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[11df881] | 7 | // HoistTypeDecls.cpp -- Hoists declarations of implicitly declared types. |
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[1931bb01] | 8 | // |
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| 9 | // Author : Andrew Beach |
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| 10 | // Created On : Mon Jul 4 9:52:00 2022 |
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| 11 | // Last Modified By : Andrew Beach |
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| 12 | // Last Modified On : Mon Jul 12 14:07:00 2022 |
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| 13 | // Update Count : 0 |
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| 14 | // |
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| 15 | |
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| 16 | #include "HoistTypeDecls.hpp" |
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| 17 | |
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| 18 | #include "AST/Pass.hpp" |
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| 19 | |
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| 20 | namespace Validate { |
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| 21 | |
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| 22 | namespace { |
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| 23 | |
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| 24 | struct HoistTypeDecls final : public ast::WithDeclsToAdd<> { |
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| 25 | void previsit( ast::SizeofExpr const * ); |
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| 26 | void previsit( ast::AlignofExpr const * ); |
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| 27 | void previsit( ast::UntypedOffsetofExpr const * ); |
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| 28 | void previsit( ast::CompoundLiteralExpr const * ); |
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| 29 | void handleType( ast::Type const * ); |
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| 30 | }; |
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| 31 | |
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| 32 | void HoistTypeDecls::previsit( ast::SizeofExpr const * expr ) { |
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| 33 | handleType( expr->type ); |
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| 34 | } |
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| 35 | |
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| 36 | void HoistTypeDecls::previsit( ast::AlignofExpr const * expr ) { |
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| 37 | handleType( expr->type ); |
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| 38 | } |
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| 39 | |
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| 40 | void HoistTypeDecls::previsit( ast::UntypedOffsetofExpr const * expr ) { |
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| 41 | handleType( expr->type ); |
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| 42 | } |
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| 43 | |
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| 44 | void HoistTypeDecls::previsit( ast::CompoundLiteralExpr const * expr ) { |
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| 45 | handleType( expr->result ); |
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| 46 | } |
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| 47 | |
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| 48 | void HoistTypeDecls::handleType( ast::Type const * type ) { |
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| 49 | // Some type declarations are buried in expressions and not easy to |
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| 50 | // hoist during parsing; so they are hoisted here instead. |
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| 51 | // This also where some missing code locations come in. |
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| 52 | ast::AggregateDecl const * aggr = nullptr; |
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| 53 | if ( auto inst = dynamic_cast<ast::StructInstType const *>( type ) ) { |
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| 54 | aggr = inst->base; |
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| 55 | } else if ( auto inst = dynamic_cast<ast::UnionInstType const *>( type ) ) { |
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| 56 | aggr = inst->base; |
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| 57 | } else if ( auto inst = dynamic_cast<ast::EnumInstType const *>( type ) ) { |
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| 58 | aggr = inst->base; |
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| 59 | } |
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| 60 | if ( aggr && aggr->body ) { |
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| 61 | declsToAddBefore.push_front( aggr ); |
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| 62 | } |
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| 63 | } |
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| 64 | |
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| 65 | } // namespace |
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| 66 | |
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| 67 | void hoistTypeDecls( ast::TranslationUnit & translationUnit ) { |
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| 68 | ast::Pass<HoistTypeDecls>::run( translationUnit ); |
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| 69 | } |
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| 70 | |
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| 71 | } // namespace Validate |
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| 72 | |
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| 73 | // Local Variables: // |
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| 74 | // tab-width: 4 // |
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| 75 | // mode: c++ // |
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| 76 | // compile-command: "make install" // |
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| 77 | // End: // |
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