F:/My Projects/LSEngine/Modules/LSGraphicsLib/Src/PreProc/LSGPreProcSyntaxNodes.h

#ifndef __LSG_PREPROCSYNTAXNODES_H__
#define __LSG_PREPROCSYNTAXNODES_H__

#include "../LSGGraphicsLib.h"


// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
// MACROS
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
#ifndef yy
#define yy                                                                                                                              lsg
#endif  // #ifndef yy
#ifdef YYSTYPE
#undef YYSTYPE
#endif  // #ifdef YYSTYPE
#define YYSTYPE                                                                                                                 LSG_PREPROC_SYNTAX_NODES

namespace lsg {

        enum LSG_PREPROC_NODE {
                LSG_PPN_IDENTIFIER,
                LSG_PPN_NUMERICCONSTANT,
                LSG_PPN_UNARY,
                LSG_PPN_MATH,
                LSG_PPN_TERTIARY,
                LSG_PPN_DEFINED,
                LSG_PPN_TU
        };

        enum LSG_PREPROC_NUM_CONSTANTS {
                LSG_PPNC_SIGNED,
                LSG_PPNC_UNSIGNED,
                LSG_PPNC_FLOATING,
                LSG_PPNC_INVALID,
        };

        union YYSTYPE {
                LSUINT64                                                                                                                ui64Op;                         // Operators (mainly unary).

                struct LSG_NODE_DATA {
                        LSG_PREPROC_NODE                                                                                        ppnNodeType;            // One of the LSG_PPN_* constants.
                        LSUINT32                                                                                                        ui32NodeIndex;          // Index of the node within the stack of nodes.
                        union LSG_NODE_UNION {
                                LSUINT32                                                                                                ui32IdentifierIndex;// Index of an identifier in the master list of identifiers.
                                LSUINT64                                                                                                ui64Const;                      // Value of unsigned constant numeric.
                                LSINT64                                                                                                 i64Const;                       // Value of signed constant numeric.
                                LSDOUBLE                                                                                                dConst;                         // Value of floating-point numeric.
                                LSUINT32                                                                                                ui32UnaryOp;            // Unary operator.
                                LSUINT32                                                                                                ui32NodeIndex;          // Index of a node.  Multi-purpose.
                        }                                                                                                                       nuNodeData;                     // Node data.
                        union LSG_NODE_UNION_EX {
                                LSG_PREPROC_NUM_CONSTANTS                                                               ncConstantType;         // Whether the given numeric constant is signed, unsigned, or floating.
                                LSUINT32                                                                                                ui32NodeIndexEx;        // Index of a node.  Multi-purpose.
                        }                                                                                                                       nueNodeDataEx;
                        union LSG_NODE_UNION_OP {
                                LSUINT32                                                                                                ui32Op;                         // Operator.
                                LSUINT32                                                                                                ui32NodeIndex3;         // Tertiary expression and initializer index in single declarations.
                        }                                                                                                                       nuoOp;
                }                                                                                                                               ndData;
        };


}       // namespace lsg

#endif  // __LSG_PREPROCSYNTAXNODES_H__