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#include <math.h>
#include <stdio.h>
/*
* these are important Minc tuning parameters
*/
#define YYLMAX 1000 /* maximum yacc line length */
#define MAXDISPARGS 500 /* max arguments passed to dispatcher*/
#define EPS 0.0000005 /* epsilon used in float comparisons */
#define MAXSTACK 15 /* depth of function calls as args */
#define HASHSIZE 107 /* number of buckets in string table */
typedef union{
int ival;
struct tree *trees;
char *str;
} YYSTYPE;
extern flerror; /* don't execute if set = 1 */
#define S_LOCAL 3 /* scopes */
#define S_PARAM 4
#define S_GLOBAL 5
#define S_RESERVED 10 /* the smallest number the newscope returns */
#define T_INT 'i' /* types */
#define T_FLOAT 'f'
#define T_COND '?'
#define T_SCALAR 0 /* shapes */
#define T_ARRAY 1
#define T_FUNC 2
/* type manipulation macros; saves bytes in symbol tables */
#define mktype(type, shape) ((type)|(shape)<<8)
#define xtype(type) (type&0177)
#define xshape(type) ((type>>8)&03)
typedef
struct symbol { /* symbol table entries */
struct symbol *next; /* next entry on hash chain */
char *name; /* string name */
short scope; /* scope */
short type; /* type */
union {
double fval; /* floating point value */
int ival; /* integer representation */
double (*fnct) (); /* built in functions */
} v;
#ifdef never
/* the following are not use at this moment */
short defined; /* set when function defined */
short offset; /* offset in activation frame */
SYMBOL *list; /* next parameter in parameter list */
#endif
}SYMBOL;
extern char *emalloc();
extern SYMBOL *lookup();
extern SYMBOL *install();
extern SYMBOL *new();
extern char *strsave();
/*
* intermediate representation
*/
#define PROC 20
#define SEQ 21
#define LABEL 22
#define JUMP 23
#define CJUMP 24
#define OP 25
#define UNOP 26
#define CONVERT 27
#define FETCH 28
#define STORE 29
#define MOVE 30
#define ESEG 31
#define BOOL 32
#define NAME 33
#define CONST 34
#define CONSTF 35
#define ALLOC 36
#define TEMP 37
#define CALL 38
#define CAND 39
#define NOT 40
#define REL 41
#define ARG 42
#define NOARGS 43
#define PLUS 44
#define MINUS 45
#define MUL 46
#define DIV 47
#define MOD 48
#define AND 49
#define OR 50
#define LSHIFT 51
#define RSHIFT 52
#define XOR 53
#define EQ 54
#define NEQ 55
#define LT 56
#define GT 57
#define GEQ 58
#define NEG 59
#define COMP 60
#define FREE 66
#define POW 67
#define COR 68
#define TIF 69
#define TWHILE 70
#define TFOR 71
#define TIFELSE 72
#define LEQ 73
#define CVTCO 74
#define CVTCL 75
#define CVTOL 76
#define CVTOC 77
#define CVTLC 78
#define CVTLO 79
#define TNOOP 80
typedef struct tree {
char op; /* the operator */
char kind; /* what kind of node is this */
char type; /* at execution time: type of value*/
union {
char *fctname; /* name to dispatcher function */
} x;
union {
double fval;
int ival;
}v;
union {
struct tree *child[4];
SYMBOL *sym;
int ival;
float fval;
}u;
}*Tree;
extern Tree program; /* return value of yyparse */
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.