source: src/Parser/DeclarationNode.h @ b78c54f

//
// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
//
// The contents of this file are covered under the licence agreement in the
// file "LICENCE" distributed with Cforall.
//
// DeclarationNode.h --
//
// Author           : Andrew Beach
// Created On       : Wed Apr  5 11:38:00 2023
// Last Modified By : Peter A. Buhr
// Last Modified On : Sat Feb 17 09:24:12 2024
// Update Count     : 4
//

#pragma once

#include "ParseNode.h"

struct TypeData;
struct InitializerNode;

struct DeclarationNode final : public ParseList<DeclarationNode> {
        static DeclarationNode * newFromTypeData( TypeData * );
        static DeclarationNode * newStorageClass( ast::Storage::Classes );
        static DeclarationNode * newFuncSpecifier( ast::Function::Specs );
        static DeclarationNode * newFunction( const std::string * name, DeclarationNode * ret, DeclarationNode * param, StatementNode * body );
        static DeclarationNode * newAggregate( ast::AggregateDecl::Aggregate kind, const std::string * name, ExpressionNode * actuals, DeclarationNode * fields, bool body );
        static DeclarationNode * newEnum( const std::string * name, DeclarationNode * constants, bool body, bool typed, DeclarationNode * base = nullptr, EnumHiding hiding = EnumHiding::Visible );
        static DeclarationNode * newEnumConstant( const std::string * name, ExpressionNode * constant );
        static DeclarationNode * newEnumValueGeneric( const std::string * name, InitializerNode * init );
        static DeclarationNode * newEnumInLine( const std::string * name );
        static DeclarationNode * newName( const std::string * );
        static DeclarationNode * newTypeParam( ast::TypeDecl::Kind, const std::string * );
        static DeclarationNode * newTrait( const std::string * name, DeclarationNode * params, DeclarationNode * asserts );
        static DeclarationNode * newTraitUse( const std::string * name, ExpressionNode * params );
        static DeclarationNode * newTypeDecl( const std::string * name, DeclarationNode * typeParams );
        static DeclarationNode * newPointer( DeclarationNode * qualifiers, OperKinds kind );
        static DeclarationNode * newArray( ExpressionNode * size, DeclarationNode * qualifiers, bool isStatic );
        static DeclarationNode * newVarArray( DeclarationNode * qualifiers );
        static DeclarationNode * newBitfield( ExpressionNode * size );
        static DeclarationNode * newTuple( DeclarationNode * members );
        static DeclarationNode * newTypeof( ExpressionNode * expr, bool basetypeof = false );
        static DeclarationNode * newAttribute( const std::string *, ExpressionNode * expr = nullptr ); // gcc attributes
        static DeclarationNode * newDirectiveStmt( StatementNode * stmt ); // gcc external directive statement
        static DeclarationNode * newAsmStmt( StatementNode * stmt ); // gcc external asm statement
        static DeclarationNode * newStaticAssert( ExpressionNode * condition, ast::Expr * message );

        DeclarationNode();
        ~DeclarationNode();
        DeclarationNode * clone() const override;

        DeclarationNode * addQualifiers( DeclarationNode * );
        void checkQualifiers( const TypeData *, const TypeData * );
        void checkSpecifiers( DeclarationNode * );
        DeclarationNode * copySpecifiers( DeclarationNode *, bool = true );
        DeclarationNode * addType( DeclarationNode *, bool = true );
        DeclarationNode * addTypedef();
        DeclarationNode * addEnumBase( DeclarationNode * );
        DeclarationNode * addAssertions( DeclarationNode * );
        DeclarationNode * addName( std::string * );
        DeclarationNode * addAsmName( DeclarationNode * );
        DeclarationNode * addBitfield( ExpressionNode * size );
        DeclarationNode * addVarArgs();
        DeclarationNode * addFunctionBody( StatementNode * body, ExpressionNode * with = nullptr );
        DeclarationNode * addOldDeclList( DeclarationNode * list );
        DeclarationNode * setBase( TypeData * newType );
        DeclarationNode * copyAttribute( DeclarationNode * attr );
        DeclarationNode * addPointer( DeclarationNode * qualifiers );
        DeclarationNode * addArray( DeclarationNode * array );
        DeclarationNode * addNewPointer( DeclarationNode * pointer );
        DeclarationNode * addNewArray( DeclarationNode * array );
        DeclarationNode * addParamList( DeclarationNode * list );
        DeclarationNode * addIdList( DeclarationNode * list ); // old-style functions
        DeclarationNode * addInitializer( InitializerNode * init );
        DeclarationNode * addTypeInitializer( DeclarationNode * init );

        DeclarationNode * cloneType( std::string * newName );
        DeclarationNode * cloneBaseType( DeclarationNode * newdecl, bool = true );

        virtual void print( __attribute__((unused)) std::ostream & os, __attribute__((unused)) int indent = 0 ) const override;
        virtual void printList( __attribute__((unused)) std::ostream & os, __attribute__((unused)) int indent = 0 ) const override;

        ast::Decl * build() const;
        ast::Type * buildType() const;

        ast::Linkage::Spec get_linkage() const { return linkage; }
        DeclarationNode * extractAggregate() const;
        bool has_enumeratorValue() const { return (bool)enumeratorValue; }
        ExpressionNode * consume_enumeratorValue() const { return const_cast<DeclarationNode *>(this)->enumeratorValue.release(); }

        bool get_extension() const { return extension; }
        DeclarationNode * set_extension( bool exten ) { extension = exten; return this; }

        bool get_inLine() const { return inLine; }
        DeclarationNode * set_inLine( bool inL ) { inLine = inL; return this; }

        const std::string * name = nullptr;

        struct Variable_t {
                ast::TypeDecl::Kind tyClass;
                DeclarationNode * assertions;
                DeclarationNode * initializer;
        };
        Variable_t variable;

        struct StaticAssert_t {
                ExpressionNode * condition;
                ast::Expr * message;
        };
        StaticAssert_t assert;

        TypeData * type = nullptr;

        bool inLine = false;
        bool enumInLine = false;
        ast::Function::Specs funcSpecs;
        ast::Storage::Classes storageClasses;

        ExpressionNode * bitfieldWidth = nullptr;
        std::unique_ptr<ExpressionNode> enumeratorValue;
        bool hasEllipsis = false;
        ast::Linkage::Spec linkage;
        ast::Expr * asmName = nullptr;
        std::vector<ast::ptr<ast::Attribute>> attributes;
        InitializerNode * initializer = nullptr;
        bool extension = false;
        std::string error;
        StatementNode * asmStmt = nullptr;
        StatementNode * directiveStmt = nullptr;

        static UniqueName anonymous;
}; // DeclarationNode

static inline ast::Type * maybeMoveBuildType( const DeclarationNode * orig ) {
        ast::Type * ret = orig ? orig->buildType() : nullptr;
        delete orig;
        return ret;
}

// This generic buildList is here along side its overloads.
template<typename AstType, typename NodeType,
                template<typename, typename...> class Container, typename... Args>
void buildList( NodeType * firstNode,
                Container<ast::ptr<AstType>, Args...> & output ) {
        SemanticErrorException errors;
        std::back_insert_iterator<Container<ast::ptr<AstType>, Args...>> out( output );

        for ( NodeType * cur = firstNode ; cur ; cur = cur->next ) {
                try {
                        AstType * node = dynamic_cast<AstType *>( maybeBuild( cur ) );
                        assertf( node, "buildList: Did not build node of correct type." );
                        *out++ = node;
                } catch ( SemanticErrorException & e ) {
                        errors.append( e );
                } // try
        } // for
        if ( ! errors.isEmpty() ) {
                throw errors;
        } // if
}

void buildList( DeclarationNode * firstNode, std::vector<ast::ptr<ast::Decl>> & outputList );
void buildList( DeclarationNode * firstNode, std::vector<ast::ptr<ast::DeclWithType>> & outputList );
void buildTypeList( const DeclarationNode * firstNode, std::vector<ast::ptr<ast::Type>> & outputList );

template<typename AstType, typename NodeType,
                template<typename, typename...> class Container, typename... Args>
void buildMoveList( NodeType * firstNode,
                Container<ast::ptr<AstType>, Args...> & output ) {
        buildList<AstType, NodeType, Container, Args...>( firstNode, output );
        delete firstNode;
}