| 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 | // DeclarationNode.hpp --
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| 8 | //
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| 9 | // Author           : Andrew Beach
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| 10 | // Created On       : Wed Apr  5 11:38:00 2023
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| 11 | // Last Modified By : Peter A. Buhr
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| 12 | // Last Modified On : Sat Feb 17 09:24:12 2024
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| 13 | // Update Count     : 4
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| 14 | //
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| 15 | 
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| 16 | #pragma once
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| 17 | 
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| 18 | #include "ParseNode.hpp"
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| 19 | 
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| 20 | struct TypeData;
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| 21 | struct InitializerNode;
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| 22 | 
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| 23 | struct DeclarationNode final : public ParseList<DeclarationNode> {
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| 24 |         static DeclarationNode * newFromTypeData( TypeData * );
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| 25 |         static DeclarationNode * newStorageClass( ast::Storage::Classes );
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| 26 |         static DeclarationNode * newFuncSpecifier( ast::Function::Specs );
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| 27 |         static DeclarationNode * newFunction( const std::string * name, DeclarationNode * ret, DeclarationNode * param, StatementNode * body );
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| 28 |         static DeclarationNode * newAggregate( ast::AggregateDecl::Aggregate kind, const std::string * name, ExpressionNode * actuals, DeclarationNode * fields, bool body );
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| 29 |         static DeclarationNode * newEnum( const std::string * name, DeclarationNode * constants, bool body, bool typed, DeclarationNode * base = nullptr, EnumHiding hiding = EnumHiding::Visible );
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| 30 |         static DeclarationNode * newEnumConstant( const std::string * name, ExpressionNode * constant );
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| 31 |         static DeclarationNode * newEnumValueGeneric( const std::string * name, InitializerNode * init );
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| 32 |         static DeclarationNode * newEnumInLine( const std::string * name );
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| 33 |         static DeclarationNode * newName( const std::string * );
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| 34 |         static DeclarationNode * newTypeParam( ast::TypeDecl::Kind, const std::string * );
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| 35 |         static DeclarationNode * newTrait( const std::string * name, DeclarationNode * params, DeclarationNode * asserts );
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| 36 |         static DeclarationNode * newTraitUse( const std::string * name, ExpressionNode * params );
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| 37 |         static DeclarationNode * newTypeDecl( const std::string * name, DeclarationNode * typeParams );
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| 38 |         static DeclarationNode * newPointer( DeclarationNode * qualifiers, OperKinds kind );
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| 39 |         static DeclarationNode * newArray( ExpressionNode * size, DeclarationNode * qualifiers, bool isStatic );
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| 40 |         static DeclarationNode * newVarArray( DeclarationNode * qualifiers );
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| 41 |         static DeclarationNode * newBitfield( ExpressionNode * size );
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| 42 |         static DeclarationNode * newTuple( DeclarationNode * members );
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| 43 |         static DeclarationNode * newTypeof( ExpressionNode * expr, bool basetypeof = false );
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| 44 |         static DeclarationNode * newAttribute( const std::string *, ExpressionNode * expr = nullptr ); // gcc attributes
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| 45 |         static DeclarationNode * newDirectiveStmt( StatementNode * stmt ); // gcc external directive statement
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| 46 |         static DeclarationNode * newAsmStmt( StatementNode * stmt ); // gcc external asm statement
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| 47 |         static DeclarationNode * newStaticAssert( ExpressionNode * condition, ast::Expr * message );
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| 48 | 
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| 49 |         DeclarationNode();
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| 50 |         ~DeclarationNode();
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| 51 |         DeclarationNode * clone() const override;
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| 52 | 
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| 53 |         DeclarationNode * addQualifiers( DeclarationNode * );
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| 54 |         void checkQualifiers( const TypeData *, const TypeData * );
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| 55 |         void checkSpecifiers( DeclarationNode * );
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| 56 |         DeclarationNode * copySpecifiers( DeclarationNode *, bool = true );
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| 57 |         DeclarationNode * addType( DeclarationNode *, bool = true );
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| 58 |         DeclarationNode * addTypedef();
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| 59 |         DeclarationNode * addEnumBase( DeclarationNode * );
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| 60 |         DeclarationNode * addAssertions( DeclarationNode * );
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| 61 |         DeclarationNode * addName( std::string * );
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| 62 |         DeclarationNode * addAsmName( DeclarationNode * );
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| 63 |         DeclarationNode * addBitfield( ExpressionNode * size );
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| 64 |         DeclarationNode * addVarArgs();
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| 65 |         DeclarationNode * addFunctionBody( StatementNode * body, ExpressionNode * with = nullptr );
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| 66 |         DeclarationNode * addOldDeclList( DeclarationNode * list );
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| 67 |         DeclarationNode * setBase( TypeData * newType );
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| 68 |         DeclarationNode * copyAttribute( DeclarationNode * attr );
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| 69 |         DeclarationNode * addPointer( DeclarationNode * qualifiers );
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| 70 |         DeclarationNode * addArray( DeclarationNode * array );
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| 71 |         DeclarationNode * addNewPointer( DeclarationNode * pointer );
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| 72 |         DeclarationNode * addNewArray( DeclarationNode * array );
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| 73 |         DeclarationNode * addParamList( DeclarationNode * list );
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| 74 |         DeclarationNode * addIdList( DeclarationNode * list ); // old-style functions
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| 75 |         DeclarationNode * addInitializer( InitializerNode * init );
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| 76 |         DeclarationNode * addTypeInitializer( DeclarationNode * init );
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| 77 | 
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| 78 |         DeclarationNode * cloneType( std::string * newName );
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| 79 |         DeclarationNode * cloneBaseType( DeclarationNode * newdecl, bool = true );
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| 80 | 
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| 81 |         virtual void print( __attribute__((unused)) std::ostream & os, __attribute__((unused)) int indent = 0 ) const override;
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| 82 |         virtual void printList( __attribute__((unused)) std::ostream & os, __attribute__((unused)) int indent = 0 ) const override;
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| 83 | 
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| 84 |         ast::Decl * build() const;
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| 85 |         ast::Type * buildType() const;
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| 86 | 
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| 87 |         ast::Linkage::Spec get_linkage() const { return linkage; }
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| 88 |         DeclarationNode * extractAggregate() const;
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| 89 |         bool has_enumeratorValue() const { return (bool)enumeratorValue; }
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| 90 |         ExpressionNode * consume_enumeratorValue() const { return const_cast<DeclarationNode *>(this)->enumeratorValue.release(); }
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| 91 | 
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| 92 |         bool get_extension() const { return extension; }
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| 93 |         DeclarationNode * set_extension( bool exten ) { extension = exten; return this; }
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| 94 | 
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| 95 |         bool get_inLine() const { return inLine; }
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| 96 |         DeclarationNode * set_inLine( bool inL ) { inLine = inL; return this; }
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| 97 | 
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| 98 |         const std::string * name = nullptr;
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| 99 | 
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| 100 |         struct Variable_t {
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| 101 |                 ast::TypeDecl::Kind tyClass;
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| 102 |                 DeclarationNode * assertions;
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| 103 |                 DeclarationNode * initializer;
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| 104 |         };
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| 105 |         Variable_t variable;
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| 106 | 
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| 107 |         struct StaticAssert_t {
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| 108 |                 ExpressionNode * condition;
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| 109 |                 ast::Expr * message;
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| 110 |         };
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| 111 |         StaticAssert_t assert;
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| 112 | 
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| 113 |         TypeData * type = nullptr;
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| 114 | 
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| 115 |         bool inLine = false;
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| 116 |         bool enumInLine = false;
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| 117 |         ast::Function::Specs funcSpecs;
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| 118 |         ast::Storage::Classes storageClasses;
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| 119 | 
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| 120 |         ExpressionNode * bitfieldWidth = nullptr;
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| 121 |         std::unique_ptr<ExpressionNode> enumeratorValue;
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| 122 |         bool hasEllipsis = false;
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| 123 |         ast::Linkage::Spec linkage;
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| 124 |         ast::Expr * asmName = nullptr;
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| 125 |         std::vector<ast::ptr<ast::Attribute>> attributes;
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| 126 |         InitializerNode * initializer = nullptr;
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| 127 |         bool extension = false;
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| 128 |         std::string error;
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| 129 |         StatementNode * asmStmt = nullptr;
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| 130 |         StatementNode * directiveStmt = nullptr;
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| 131 | 
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| 132 |         static UniqueName anonymous;
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| 133 | }; // DeclarationNode
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| 134 | 
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| 135 | static inline ast::Type * maybeMoveBuildType( const DeclarationNode * orig ) {
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| 136 |         ast::Type * ret = orig ? orig->buildType() : nullptr;
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| 137 |         delete orig;
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| 138 |         return ret;
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| 139 | }
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| 140 | 
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| 141 | // This generic buildList is here along side its overloads.
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| 142 | template<typename AstType, typename NodeType,
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| 143 |                 template<typename, typename...> class Container, typename... Args>
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| 144 | void buildList( NodeType * firstNode,
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| 145 |                 Container<ast::ptr<AstType>, Args...> & output ) {
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| 146 |         SemanticErrorException errors;
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| 147 |         std::back_insert_iterator<Container<ast::ptr<AstType>, Args...>> out( output );
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| 148 | 
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| 149 |         for ( NodeType * cur = firstNode ; cur ; cur = cur->next ) {
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| 150 |                 try {
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| 151 |                         AstType * node = dynamic_cast<AstType *>( maybeBuild( cur ) );
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| 152 |                         assertf( node, "buildList: Did not build node of correct type." );
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| 153 |                         *out++ = node;
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| 154 |                 } catch ( SemanticErrorException & e ) {
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| 155 |                         errors.append( e );
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| 156 |                 } // try
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| 157 |         } // for
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| 158 |         if ( ! errors.isEmpty() ) {
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| 159 |                 throw errors;
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| 160 |         } // if
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| 161 | }
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| 162 | 
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| 163 | void buildList( DeclarationNode * firstNode, std::vector<ast::ptr<ast::Decl>> & outputList );
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| 164 | void buildList( DeclarationNode * firstNode, std::vector<ast::ptr<ast::DeclWithType>> & outputList );
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| 165 | void buildTypeList( const DeclarationNode * firstNode, std::vector<ast::ptr<ast::Type>> & outputList );
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| 166 | 
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| 167 | template<typename AstType, typename NodeType,
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| 168 |                 template<typename, typename...> class Container, typename... Args>
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| 169 | void buildMoveList( NodeType * firstNode,
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| 170 |                 Container<ast::ptr<AstType>, Args...> & output ) {
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| 171 |         buildList<AstType, NodeType, Container, Args...>( firstNode, output );
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| 172 |         delete firstNode;
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| 173 | }
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