source: src/Parser/TypeData.h @ ef7d253

//
// 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.
//
// TypeData.h -- 
//
// Author           : Rodolfo G. Esteves
// Created On       : Sat May 16 15:18:36 2015
// Last Modified By : Peter A. Buhr
// Last Modified On : Fri Feb 26 14:21:38 2016
// Update Count     : 19
//

#ifndef TYPEDATA_H
#define TYPEDATA_H

#include <list>

#include "ParseNode.h"
#include "SynTree/Type.h"

struct TypeData {
        enum Kind { Unknown, Basic, Pointer, Array, Function, Aggregate, AggregateInst,
                                Enum, EnumConstant, Symbolic, SymbolicInst, Variable, Tuple, Typeof, Builtin, Attr } kind;

        TypeData( Kind k = Unknown );
        ~TypeData();
        void print( std::ostream &, int indent = 0 ) const;
        TypeData * clone() const;

        Type * build() const;
        FunctionType * buildFunction() const;

        TypeData * base;
        std::list< DeclarationNode::Qualifier > qualifiers;
        DeclarationNode * forall;

        struct Basic_t {
                std::list< DeclarationNode::BasicType > typeSpec;
                std::list< DeclarationNode::Modifier > modifiers;
        };

        struct Aggregate_t {
                DeclarationNode::Aggregate kind;
                std::string name;
                DeclarationNode * params;
                ExpressionNode  * actuals;                                              // holds actual parameters later applied to AggInst
                DeclarationNode * fields;
        };

        struct AggInst_t {
                TypeData * aggregate;
                ExpressionNode * params;
        };

        struct Array_t {
                ExpressionNode * dimension;
                bool isVarLen;
                bool isStatic;
        };

        struct Enumeration_t {
                std::string name;
                DeclarationNode * constants;
        };

        struct Function_t {
                DeclarationNode * params;
                DeclarationNode * idList;                                               // old-style
                DeclarationNode * oldDeclList;
                StatementNode * body;
                bool hasBody;
                bool newStyle;
        };

        struct Symbolic_t {
                std::string name;
                bool isTypedef;                                                                 // false => TYPEGENname, true => TYPEDEFname
                DeclarationNode * params;
                ExpressionNode * actuals;
                DeclarationNode * assertions;
        };

        struct Variable_t {
                DeclarationNode::TypeClass tyClass;
                std::string name;
                DeclarationNode * assertions;
        };

        struct Tuple_t {
                DeclarationNode * members;
        };
  
        struct Typeof_t {
                ExpressionNode * expr;
        };

        struct Builtin_t {
                DeclarationNode::BuiltinType type;
        };

        struct Attr_t {
                std::string name;
                ExpressionNode * expr;
                DeclarationNode * type;
        };

        union {
                Basic_t * basic;
                Aggregate_t * aggregate;
                AggInst_t * aggInst;
                Array_t * array;
                Enumeration_t * enumeration;
                Function_t * function;
                Symbolic_t * symbolic;
                Variable_t * variable;
                Tuple_t * tuple;
                Typeof_t * typeexpr;
                Attr_t * attr;
                Builtin_t * builtin;
        };

        TypeData * extractAggregate( bool toplevel = true ) const;
        // helper function for DeclNodeImpl::build
        Declaration * buildDecl( std::string name, DeclarationNode::StorageClass sc, Expression * bitfieldWidth, bool isInline, bool isNoreturn, LinkageSpec::Type linkage, Initializer * init = 0 ) const;
        // helper functions for build()
        Type::Qualifiers buildQualifiers() const;
        Type * buildBasicType() const;
        PointerType * buildPointer() const;
        ArrayType * buildArray() const;
        AggregateDecl * buildAggregate() const;
        ReferenceToType * buildAggInst() const;
        NamedTypeDecl * buildSymbolic( const std::string &name, DeclarationNode::StorageClass sc ) const;
        TypeDecl* buildVariable() const;
        EnumDecl* buildEnum() const;
        TypeInstType * buildSymbolicInst() const;
        TupleType * buildTuple() const;
        TypeofType * buildTypeof() const;
        AttrType * buildAttr() const;
};

#endif // TYPEDATA_H

// Local Variables: //
// tab-width: 4 //
// mode: c++ //
// compile-command: "make install" //
// End: //