[unix-history] / usr / src / usr.bin / awk / code.h


/********************************************
code.h
copyright 1991, Michael D. Brennan

This is a source file for mawk, an implementation of
the AWK programming language.

Mawk is distributed without warranty under the terms of
the GNU General Public License, version 2, 1991.
********************************************/


/* $Log:	code.h,v $
 * Revision 5.1  91/12/05  07:59:07  brennan
 * 1.1 pre-release
 * 
*/


/*  code.h  */

#ifndef  CODE_H
#define  CODE_H

#include "memory.h"

/* coding scope */
#define   SCOPE_MAIN    0
#define   SCOPE_BEGIN   1  
#define   SCOPE_END     2
#define   SCOPE_FUNCT   3


extern  INST  *code_ptr ;
extern  INST  *main_start, *main_code_ptr ;
extern  unsigned main_size ;

extern struct be_code {
INST *start , *ptr ;
unsigned size ; } begin_code , end_code ;

void PROTO(be_shrink, (struct be_code *)) ;
void PROTO(be_expand, (struct be_code *)) ;

#define INST_BYTES(x) (sizeof(INST)*(x))

extern  CELL  eval_stack[] ;


#define  code1(x)  code_ptr++ -> op = (x)

#define  code2(x,y)    (void)( code_ptr++ -> op = (x) ,\
                         code_ptr++ -> ptr = (PTR)(y) )

extern int exit_code ;

/*  the machine opcodes  */
/* to avoid confusion with a ptr FE_PUSHA must have op code 0 */
/* unfortunately enums are less portable than defines */

#define  FE_PUSHA     0
#define  FE_PUSHI     1
#define  F_PUSHA      2
#define  F_PUSHI      3
#define  NF_PUSHI     4
#define  _HALT        5
#define  _STOP        6
#define  _PUSHC       7
#define  _PUSHD       8
#define  _PUSHS       9
#define  _PUSHINT    10
#define  _PUSHA      11
#define  _PUSHI      12
#define  L_PUSHA     13
#define  L_PUSHI     14
#define  AE_PUSHA    15
#define  AE_PUSHI    16
#define  A_PUSHA     17
#define  LAE_PUSHA   18
#define  LAE_PUSHI   19
#define  LA_PUSHA    20
#define  _POP        21
#define  _DUP        22
#define  _ADD        23
#define  _SUB        24
#define  _MUL        25
#define  _DIV        26
#define  _MOD        27
#define  _POW        28
#define  _NOT        29
#define  _TEST       30
#define  A_TEST      31
#define  A_DEL       32
#define  ALOOP       33
#define  A_CAT       34
#define  _UMINUS     35
#define  _UPLUS      36
#define  _ASSIGN     37
#define  _ADD_ASG    38
#define  _SUB_ASG    39
#define  _MUL_ASG    40
#define  _DIV_ASG    41
#define  _MOD_ASG    42
#define  _POW_ASG    43
#define  F_ASSIGN    44
#define  F_ADD_ASG   45
#define  F_SUB_ASG   46
#define  F_MUL_ASG   47
#define  F_DIV_ASG   48
#define  F_MOD_ASG   49
#define  F_POW_ASG   50
#define  _CAT        51
#define  _BUILTIN    52
#define  _PRINT      53
#define  _POST_INC   54
#define  _POST_DEC   55
#define  _PRE_INC    56
#define  _PRE_DEC    57
#define  F_POST_INC  58
#define  F_POST_DEC  59
#define  F_PRE_INC   60
#define  F_PRE_DEC   61
#define  _JMP        62
#define  _JNZ        63
#define  _JZ         64
#define  _EQ         65
#define  _NEQ        66
#define  _LT         67
#define  _LTE        68
#define  _GT         69
#define  _GTE        70
#define  _MATCH0     71
#define  _MATCH1     72
#define  _MATCH2     73
#define  _EXIT       74
#define  _EXIT0      75
#define  _NEXT       76
#define  _RANGE      77
#define  _CALL       78
#define  _RET        79
#define  _RET0       80
#define  SET_ALOOP   81
#define  OL_GL       82
#define  OL_GL_NR    83
#define  _OMAIN      84
#define  _JMAIN      85


#endif  /* CODE_H */
Commit	Line	Data
a7e60862 WJ	1
	2	/********************************************
	3	code.h
	4	copyright 1991, Michael D. Brennan
	5
	6	This is a source file for mawk, an implementation of
	7	the AWK programming language.
	8
	9	Mawk is distributed without warranty under the terms of
	10	the GNU General Public License, version 2, 1991.
	11	********************************************/
	12
	13
	14	/* $Log: code.h,v $
	15	* Revision 5.1 91/12/05 07:59:07 brennan
	16	* 1.1 pre-release
	17	*
	18	*/
	19
	20
	21	/* code.h */
	22
	23	#ifndef CODE_H
	24	#define CODE_H
	25
	26	#include "memory.h"
	27
	28	/* coding scope */
	29	#define SCOPE_MAIN 0
	30	#define SCOPE_BEGIN 1
	31	#define SCOPE_END 2
	32	#define SCOPE_FUNCT 3
	33
	34
	35	extern INST *code_ptr ;
	36	extern INST main_start, main_code_ptr ;
	37	extern unsigned main_size ;
	38
	39	extern struct be_code {
	40	INST start , ptr ;
	41	unsigned size ; } begin_code , end_code ;
	42
	43	void PROTO(be_shrink, (struct be_code *)) ;
	44	void PROTO(be_expand, (struct be_code *)) ;
	45
	46	#define INST_BYTES(x) (sizeof(INST)*(x))
	47
	48	extern CELL eval_stack[] ;
	49
	50
	51	#define code1(x) code_ptr++ -> op = (x)
	52
	53	#define code2(x,y) (void)( code_ptr++ -> op = (x) ,\
	54	code_ptr++ -> ptr = (PTR)(y) )
	55
	56	extern int exit_code ;
	57
	58	/* the machine opcodes */
	59	/* to avoid confusion with a ptr FE_PUSHA must have op code 0 */
	60	/* unfortunately enums are less portable than defines */
	61
	62	#define FE_PUSHA 0
	63	#define FE_PUSHI 1
	64	#define F_PUSHA 2
65	#define F_PUSHI 3
66	#define NF_PUSHI 4
67	#define _HALT 5
68	#define _STOP 6
69	#define _PUSHC 7
70	#define _PUSHD 8
71	#define _PUSHS 9
72	#define _PUSHINT 10
73	#define _PUSHA 11
74	#define _PUSHI 12
75	#define L_PUSHA 13
76	#define L_PUSHI 14
77	#define AE_PUSHA 15
78	#define AE_PUSHI 16
79	#define A_PUSHA 17
80	#define LAE_PUSHA 18
81	#define LAE_PUSHI 19
82	#define LA_PUSHA 20
83	#define _POP 21
84	#define _DUP 22
85	#define _ADD 23
86	#define _SUB 24
87	#define _MUL 25
88	#define _DIV 26
89	#define _MOD 27
90	#define _POW 28
91	#define _NOT 29
92	#define _TEST 30
93	#define A_TEST 31
94	#define A_DEL 32
95	#define ALOOP 33
96	#define A_CAT 34
97	#define _UMINUS 35
98	#define _UPLUS 36
99	#define _ASSIGN 37
100	#define _ADD_ASG 38
101	#define _SUB_ASG 39
102	#define _MUL_ASG 40
103	#define _DIV_ASG 41
104	#define _MOD_ASG 42
105	#define _POW_ASG 43
106	#define F_ASSIGN 44
107	#define F_ADD_ASG 45
108	#define F_SUB_ASG 46
109	#define F_MUL_ASG 47
110	#define F_DIV_ASG 48
111	#define F_MOD_ASG 49
112	#define F_POW_ASG 50
113	#define _CAT 51
114	#define _BUILTIN 52
115	#define _PRINT 53
116	#define _POST_INC 54
117	#define _POST_DEC 55
118	#define _PRE_INC 56
119	#define _PRE_DEC 57
120	#define F_POST_INC 58
121	#define F_POST_DEC 59
122	#define F_PRE_INC 60
123	#define F_PRE_DEC 61
124	#define _JMP 62
125	#define _JNZ 63
126	#define _JZ 64
127	#define _EQ 65
128	#define _NEQ 66
129	#define _LT 67
130	#define _LTE 68
131	#define _GT 69
132	#define _GTE 70
133	#define _MATCH0 71
134	#define _MATCH1 72
135	#define _MATCH2 73
136	#define _EXIT 74
137	#define _EXIT0 75
138	#define _NEXT 76
139	#define _RANGE 77
140	#define _CALL 78
141	#define _RET 79
142	#define _RET0 80
143	#define SET_ALOOP 81
144	#define OL_GL 82
145	#define OL_GL_NR 83
146	#define _OMAIN 84
147	#define _JMAIN 85
148
149
150	#endif /* CODE_H */