tree_ty.h

#ifndef TREETY_H_INCLUDED
#define TREETY_H_INCLUDED
/*-
 * Copyright (c) 1980, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)tree_ty.h	8.1 (Berkeley) 6/6/93
 */

#ifdef PXP
typedef struct          /* T_LINEINFO (pxp) */
{
    int                 line_no;        /* line number */
    int                 Seqid1;
    int                 Col1;
    int                 Seqid2; 
    int                 Col2;
    int                 LSeqid;
} LINE_NODE;

typedef struct tnode *LineInfo_t;
#else
typedef int LineInfo_t;
#endif

typedef struct          /* T_FORU, T_FORD */
{
    LineInfo_t          line_no;        /* line number of for */
    struct      tnode   *init_asg;      /* initialization */
    struct      tnode   *term_expr;     /* termination expresssion */
    struct      tnode   *for_stmnt;     /* for statement */
} FOR_NODE;

typedef struct          /* T_ASGN */
{
    LineInfo_t          line_no;        /* line number of := */
    struct      tnode   *lhs_var;
    struct      tnode   *rhs_expr;
} ASG_NODE;

#ifndef PTREE
    typedef struct      /* T_VAR */
    {
        LineInfo_t      line_no;
        char            *cptr;
        struct tnode    *qual;          /* list node */
    } VAR_NODE;

    typedef struct      /* T_FIELD */
    {
        char            *id_ptr;
        struct tnode    *other;         
    } FIELD_NODE;

#else
   typedef struct       /* T_VAR */
   {
        LineInfo_t      line_no;
        char            *cptr;
        struct tnode    *qual;
        struct nl       *nl_entry;
    } VAR_NODE;
    
    typedef struct      /* T_FIELD */
    {
        char            *id_ptr;
        struct tnode    *other;         
        struct nl       *nl_entry;
    } FIELD_NODE;
#endif

typedef struct          /* T_MOD, T_MULT, T_DIVD, T_DIV,
                         * T_AND, T_ADD, T_SUB, T_OR,
                         * T_EQ, T_LT, T_GT, T_NE, T_LE
                         * T_GE, T_IN */
{
    int                 const_tag;
    struct      tnode   *lhs;
    struct      tnode   *rhs;
} EXPR_NODE;

typedef struct          /* T_LISTPP */
{
    struct tnode        *list;          /* check the types on these,
                                         * this is used in pclvalue and lvalue */
    struct tnode        *next;
} LIST_NODE;

typedef struct          /* T_IF, T_IFEL, T_IFX */
{
    LineInfo_t          line_no;
    struct tnode        *cond_expr;
    struct tnode        *then_stmnt;
    struct tnode        *else_stmnt;
} IF_NODE;

typedef struct          /* T_MINUS, T_PLUS, T_NOT */
{
    int                 const_tag;
    struct tnode        *expr;
} UN_EXPR;

typedef struct          /* T_PDEC, T_FDEC, T_PROG */
{
    LineInfo_t          line_no;
    char                *id_ptr;
    struct tnode        *param_list;
    struct tnode        *type;
} P_DEC;

typedef struct          /* T_PVAL, T_PVAR */
{
    struct tnode        *id_list;
    struct tnode        *type;
} PARAM;

typedef struct          /* T_PFUNC, T_PPROC */
{
    struct tnode        *id_list,
                        *type,
                        *param_list;
    LineInfo_t          line_no;
} PFUNC_NODE;

typedef struct          /* T_NIL */
{
    int                 const_tag;
} NIL_NODE;

typedef struct          /* T_STRNG, T_INT, T_FINT, T_BINT */
{
    int                 const_tag;
    char                *cptr;
} CONST_NODE;

typedef struct          /* T_CSTRNG, T_ID, T_CFINT, T_CINT, T_CBINT */
{
    char                *cptr;
} CHAR_CONST;

typedef struct          /* T_PLUSC, T_MINUSC */
{
    struct tnode        *number;
} SIGN_CONST;

#ifdef PTREE
    typedef struct
    {
        LineInfo_t      line_no;
        struct tnode    *type;
        struct nl       *nl_entry;
    } COMP_TY;
#else
    typedef struct      /* T_TYPACK, T_TYSCAL, T_TYFILE, T_TYSET, T_TYREC */
    {
        LineInfo_t      line_no;
        struct tnode    *type;
    } COMP_TY;
#endif

typedef struct          /* T_TYPTR */
{
    LineInfo_t          line_no;
    struct tnode        *id_node;
} PTR_TY;

typedef struct          /* T_TYRANG */
{
    LineInfo_t          line_no;
    struct tnode        *const1;
    struct tnode        *const2;
} RANG_TY;

typedef struct          /* T_TYCRANG */
{
    LineInfo_t          line_no;
    struct tnode        *lwb_var;
    struct tnode        *upb_var;
    struct tnode        *type;
} CRANG_TY;

typedef struct          /* T_TYARY, T_TYCARY */
{
    LineInfo_t          line_no;
    struct tnode        *type_list;
    struct tnode        *type;
} ARY_TY;

typedef struct          /* T_TYVARNT */
{
    LineInfo_t          line_no;
    struct tnode        *const_list;
    struct tnode        *fld_list;
} TYVARNT;

typedef struct          /* T_TYVARPT */
{
    LineInfo_t          line_no;
    char                *cptr;
    struct tnode        *type_id;
    struct tnode        *var_list;
} VARPT;

typedef struct          /* T_CSTAT */
{
    LineInfo_t          line_no;
    struct tnode        *const_list;
    struct tnode        *stmnt;
} C_STMNT;

typedef struct          /* T_BSTL, T_BLOCK */
{
    LineInfo_t          line_no;
    struct tnode        *stmnt_list;
} STMNT_BLCK;

typedef struct          /* T_FLDLST */
{
    LineInfo_t          line_no;
    struct tnode        *fix_list;
    struct tnode        *variant;
} FLDLST;

typedef struct          /* T_RFIELD */
{
    LineInfo_t          line_no;
    struct tnode        *id_list;
    struct tnode        *type;
} RFIELD;

typedef struct          /* T_LABEL */
{
    LineInfo_t          line_no;
    char                *lbl_ptr;
    struct tnode        *stmnt;
} LABEL_NODE;

typedef struct          /* T_GOTO */
{
    LineInfo_t          line_no;
    char                *lbl_ptr;
} GOTO_NODE;

typedef struct          /* T_PCALL, T_FCALL */
{
    LineInfo_t          line_no;
    char                *proc_id;
    struct tnode        *arg;
} PCALL_NODE;

typedef struct          /* T_CASE, T_WHILE */
{
    LineInfo_t          line_no;
    struct tnode        *expr;
    struct tnode        *stmnt_list;
} WHI_CAS;

typedef struct          /* T_WITH */
{
    LineInfo_t          line_no;
    struct tnode        *var_list;
    struct tnode        *stmnt;
} WITH_NODE;

typedef struct          /* T_REPEAT */
{
    LineInfo_t          line_no;
    struct tnode        *stmnt_list;
    struct tnode        *term_expr;
} REPEAT;

typedef struct          /* T_RANG */
{
    struct tnode        *expr1;
    struct tnode        *expr2;
} RANG;

typedef struct          /* T_CSET */
{
    int                 const_tag;
    struct tnode        *el_list;
} CSET_NODE;

typedef struct          /* T_ARY */
{
    struct tnode        *expr_list;
} ARY_NODE;

typedef struct          /* T_WEXPR */
{
    struct tnode        *expr1;
    struct tnode        *expr2;
    struct tnode        *expr3;
} WEXPR_NODE;

typedef struct          /* T_TYID */
{
    LineInfo_t          line_no;
    char                *idptr;
} TYID_NODE;

typedef struct          /* anything with linenumber in first field */
{
    LineInfo_t          line_no;
} LINED;

struct tnode
{
    int                 tag;
    union
    {
        FOR_NODE        t_for_node;     
        ASG_NODE        t_asg_node;
        VAR_NODE        t_var_node;
        EXPR_NODE       t_expr_node;
        LIST_NODE       t_list_node;
        IF_NODE         t_if_node;
        UN_EXPR         t_un_expr;
        P_DEC           t_p_dec;
        PARAM           t_param;
        PFUNC_NODE      t_pfunc_node;
        NIL_NODE        t_nil_node;
        CONST_NODE      t_const_node;
        CHAR_CONST      t_char_const;
        SIGN_CONST      t_sign_const;
        COMP_TY         t_comp_ty;
        PTR_TY          t_ptr_ty;
        RANG_TY         t_rang_ty;
        CRANG_TY        t_crang_ty;
        ARY_TY          t_ary_ty;
        VARPT           t_varpt;
        TYVARNT         t_tyvarnt;
        C_STMNT         t_c_stmnt;
        STMNT_BLCK      t_stmnt_blck;
        FLDLST          t_fldlst;
        RFIELD          t_rfield;
        LABEL_NODE      t_label_node;
        PCALL_NODE      t_pcall_node;
        WHI_CAS         t_whi_cas;
        WITH_NODE       t_with_node;
        REPEAT          t_repeat;
        RANG            t_rang;
        CSET_NODE       t_cset_node;
        ARY_NODE        t_ary_node;
        WEXPR_NODE      t_wexpr_node;
        FIELD_NODE      t_field_node;
        TYID_NODE       t_tyid_node;
        LINED           t_lined;
        GOTO_NODE       t_goto_node;
#ifdef PXP
        LINE_NODE       t_line_node;
#endif
    } tree_ele;
};

#define for_node        tree_ele.t_for_node     
#define asg_node        tree_ele.t_asg_node
#define var_node        tree_ele.t_var_node
#define expr_node       tree_ele.t_expr_node
#define list_node       tree_ele.t_list_node
#define if_node         tree_ele.t_if_node
#define un_expr         tree_ele.t_un_expr
#define p_dec           tree_ele.t_p_dec
#define param           tree_ele.t_param
#define pfunc_node      tree_ele.t_pfunc_node
#define nil_node        tree_ele.t_nil_node
#define const_node      tree_ele.t_const_node
#define char_const      tree_ele.t_char_const
#define sign_const      tree_ele.t_sign_const
#define comp_ty         tree_ele.t_comp_ty
#define ptr_ty          tree_ele.t_ptr_ty
#define rang_ty         tree_ele.t_rang_ty
#define crang_ty        tree_ele.t_crang_ty
#define ary_ty          tree_ele.t_ary_ty
#define varpt           tree_ele.t_varpt
#define tyvarnt         tree_ele.t_tyvarnt
#define c_stmnt         tree_ele.t_c_stmnt
#define stmnt_blck      tree_ele.t_stmnt_blck
#define fldlst          tree_ele.t_fldlst
#define rfield          tree_ele.t_rfield
#define label_node      tree_ele.t_label_node
#define pcall_node      tree_ele.t_pcall_node
#define whi_cas         tree_ele.t_whi_cas
#define with_node       tree_ele.t_with_node
#define repeat          tree_ele.t_repeat
#define rang            tree_ele.t_rang
#define cset_node       tree_ele.t_cset_node
#define ary_node        tree_ele.t_ary_node
#define wexpr_node      tree_ele.t_wexpr_node
#define field_node      tree_ele.t_field_node
#define tyid_node       tree_ele.t_tyid_node
#define lined           tree_ele.t_lined
#define goto_node       tree_ele.t_goto_node
#define lineinfo        tree_ele.t_line_node

#endif  /*TREETY_H_INCLUDED*/