#ifndef COMPILER_ENODE_H
#define COMPILER_ENODE_H

#include "compiler/common.h"

#ifdef __MWERKS__
#pragma options align=mac68k
#endif

typedef enum ENodeType {
    EPOSTINC,
    EPOSTDEC,
    EPREINC,
    EPREDEC,
    EINDIRECT,
    EMONMIN,
    EBINNOT,
    ELOGNOT,
    EFORCELOAD,
    EMUL,
    EMULV,
    EDIV,
    EMODULO,
    EADDV,
    ESUBV,
    EADD,
    ESUB,
    ESHL,
    ESHR,
    ELESS,
    EGREATER,
    ELESSEQU,
    EGREATEREQU,
    EEQU,
    ENOTEQU,
    EAND,
    EXOR,
    EOR,
    ELAND,
    ELOR,
    EASS,
    EMULASS,
    EDIVASS,
    EMODASS,
    EADDASS,
    ESUBASS,
    ESHLASS,
    ESHRASS,
    EANDASS,
    EXORASS,
    EORASS,
    ECOMMA,
    EPMODULO,
    EROTL,
    EROTR,
    EBCLR,
    EBTST,
    EBSET,
    ETYPCON,
    EBITFIELD,
    EINTCONST,
    EFLOATCONST,
    ESTRINGCONST,
    ECOND,
    EFUNCCALL,
    EFUNCCALLP,
    EOBJREF,
    EMFPOINTER,
    ENULLCHECK,
    EPRECOMP,
    ETEMP,
    EARGOBJ,
    ELOCOBJ,
    ELABEL,
    ESETCONST,
    ENEWEXCEPTION,
    ENEWEXCEPTIONARRAY,
    EOBJLIST,
    EMEMBER,
    ETEMPLDEP,
    EINSTRUCTION,
    EDEFINE,
    EREUSE,
    EASSBLK,
    EVECTOR128CONST,
    ECONDASS,
    MAXEXPR
} ENodeType;


struct ENodeList {
    ENodeList *next;
    ENode *node;
};


typedef union ENodeUnion {
    CInt64 intval;
    Float floatval;
    SInt32 longval;
    ENode *monadic;
    Object *objref;
    CLabel *label;
    MWVector128 vector128val;
    struct {
        ENode *left;
        ENode *right;
    } diadic;
    struct {
        ENode *cond;
        ENode *expr1;
        ENode *expr2;
    } cond;
    struct {
        ENode *funcref;
        ENodeList *args;
        TypeFunc *functype;
    } funccall;
    ObjAccess objaccess;
    struct {
        ENode *accessnode;
        ENode *mfpointer;
    } mfpointer;
    struct {
        ENode *nullcheckexpr;
        ENode *condexpr;
        SInt32 precompid;
    } nullcheck;
    SInt32 precompid;
    struct {
        Type *type;
        SInt32 uniqueid;
        Boolean needs_dtor;
    } temp;
    struct {
        SInt32 size;
        char *data;
        SInt32 segnum;
        char ispascal;
        char ispacked;
    } string;
    struct {
        SInt32 size;
        char *data;
    } set;
    struct {
        ENode *initexpr;
        ENode *tryexpr;
        Object *pointertemp;
        Object *deletefunc;
    } newexception;
    struct {
        ENode *initexpr;
        ENode *tryexpr;
        ENode *catchexpr;
        ENode *result;
    } itc;
    struct {
        Object *objref;
        SInt32 offset;
    } addr;
    void *inst;
    MemInitializer *ctorinit;
    Statement *stmt;
    struct {
        union {
            TemplParamID pid;
            struct {
                union {
                    Type *type;
                    ENode *expr;
                } u;
                TEFuncSel sel;
                Boolean is_expr;
            } typeexpr;
            struct {
                ENodeList *args;
                Type *type;
                UInt32 qual;
            } cast;
            struct {
                TypeTemplDep *type;
                HashNameNode *name;
            } qual;
            struct {
                TypeTemplDep *type;
                HashNameNode *name;
                TemplArg *args;
            } qualtempl;
            ObjAccess objaccess;
            struct {
                ENode *expr;
                TStreamElement *token;
            } sourceref;
            ENode *monadic;
            struct {
                ENode *expr;
                ENodeList *args;
            } funccall;
            struct {
                Type *type;
                UInt32 qual;
                ENode *arraydim;
                ENodeList *placement;
                ENodeList *initlist;
                Boolean is_global;
                Boolean has_init;
            } nw;
            struct {
                ENode *expr;
                Boolean is_global;
                Boolean is_array;
            } del;
            struct {
                ENode *left;
                ENode *right;
            } dyadic;
            struct {
                ENode *expr;
                Type *type;
                UInt32 qual;
            } newcast;
            struct {
                ENode *expr;
                DepName *dname;
                Boolean is_pointer;
            } member;
            struct {
                Object *object;
                Object *info;
            } exinit;
            struct {
                Object *obj;
                Initializer *init;
            } varinit;
            Object *obj;
        } u;
        TemplDepSubType subtype;
    } templdep;
} ENodeUnion;

struct ENode {
    ENodeType type;
    UInt8 cost;
    UInt16 flags; // &1, &2 correspond to quals
    Boolean ignored;
    Boolean hascall;
    // void *loc; - might not be in pro7?
    Type *rtype;
    PointsToFunction *pointsTo;
    ENodeUnion data;
};

enum {
    ENODE_FLAG_CONST = Q_CONST,
    ENODE_FLAG_VOLATILE = Q_VOLATILE,
    ENODE_FLAG_QUALS = Q_CONST | Q_VOLATILE
};

#ifdef __MWERKS__
#pragma options align=reset
#endif

#endif