63 lines
1.8 KiB
Text
63 lines
1.8 KiB
Text
/*
|
|
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
|
|
* See the copyright notice in the ACK home directory, in the file "Copyright".
|
|
*
|
|
* Author: Ceriel J.H. Jacobs
|
|
*/
|
|
|
|
/* N O D E O F A N A B S T R A C T P A R S E T R E E */
|
|
|
|
/* $Id$ */
|
|
|
|
struct node {
|
|
char nd_class; /* kind of node */
|
|
#define Value 0 /* constant */
|
|
#define Arrsel 1 /* array selection */
|
|
#define Oper 2 /* binary operator */
|
|
#define Uoper 3 /* unary operator */
|
|
#define Arrow 4 /* ^ construction */
|
|
#define Call 5 /* cast or procedure - or function call */
|
|
#define Name 6 /* an identifier */
|
|
#define Set 7 /* a set constant */
|
|
#define Xset 8 /* a set */
|
|
#define Def 9 /* an identified name */
|
|
#define Stat 10 /* a statement */
|
|
#define Select 11 /* a '.' selection */
|
|
#define Link 12
|
|
/* do NOT change the order or the numbers!!! */
|
|
char nd_flags; /* options */
|
|
#define ROPTION 1
|
|
#define AOPTION 2
|
|
struct type *nd_type; /* type of this node */
|
|
struct token nd_token;
|
|
#define nd_set nd_token.tk_data.tk_set
|
|
#define nd_def nd_token.tk_data.tk_def
|
|
#define nd_LEFT nd_token.tk_data.tk_left
|
|
#define nd_RIGHT nd_token.tk_data.tk_right
|
|
#define nd_NEXT nd_token.tk_data.tk_next
|
|
#define nd_symb nd_token.tk_symb
|
|
#define nd_lineno nd_token.tk_lineno
|
|
#define nd_IDF nd_token.TOK_IDF
|
|
#define nd_SSTR nd_token.TOK_SSTR
|
|
#define nd_STR nd_token.TOK_STR
|
|
#define nd_SLE nd_token.TOK_SLE
|
|
#define nd_INT nd_token.TOK_INT
|
|
#define nd_REAL nd_token.TOK_REAL
|
|
#define nd_RSTR nd_token.TOK_RSTR
|
|
#define nd_RVAL nd_token.TOK_RVAL
|
|
};
|
|
|
|
typedef struct node t_node;
|
|
|
|
/* ALLOCDEF "node" 50 */
|
|
|
|
extern t_node *dot2node(), *dot2leaf(), *getnode();
|
|
|
|
#define NULLNODE ((t_node *) 0)
|
|
|
|
#define HASSELECTORS 002
|
|
#define VARIABLE 004
|
|
#define VALUE 010
|
|
|
|
#define IsCast(lnd) ((lnd)->nd_class == Def && is_type((lnd)->nd_def))
|
|
#define IsProc(lnd) ((lnd)->nd_type->tp_fund == T_PROCEDURE)
|