commit 8c37d3b9d6e9960fb2a81e2218c28206d4e5298c
parent 0af581f0bf5a7d0d67803a1a25959a53d5bb6cda
Author: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Thu, 26 Sep 1996 18:08:21 -0300
documentation of opcode meanings (thanks to lhf)
Diffstat:
| M | opcode.h | | | 129 | ++++++++++++++++++++++++++++++++++++++++++++++--------------------------------- |
1 file changed, 76 insertions(+), 53 deletions(-)
diff --git a/opcode.h b/opcode.h
@@ -1,6 +1,6 @@
/*
** TeCGraf - PUC-Rio
-** $Id: opcode.h,v 3.21 1996/05/28 21:07:32 roberto Exp roberto $
+** $Id: opcode.h,v 3.22 1996/09/24 21:46:44 roberto Exp roberto $
*/
#ifndef opcode_h
@@ -15,60 +15,83 @@
#define FIELDS_PER_FLUSH 40
-typedef enum
-{
- PUSHNIL,
- PUSH0, PUSH1, PUSH2,
- PUSHBYTE,
- PUSHWORD,
- PUSHFLOAT,
- PUSHSTRING,
- PUSHFUNCTION,
- PUSHLOCAL0, PUSHLOCAL1, PUSHLOCAL2, PUSHLOCAL3, PUSHLOCAL4,
- PUSHLOCAL5, PUSHLOCAL6, PUSHLOCAL7, PUSHLOCAL8, PUSHLOCAL9,
- PUSHLOCAL,
- PUSHGLOBAL,
- PUSHINDEXED,
- PUSHSELF,
- STORELOCAL0, STORELOCAL1, STORELOCAL2, STORELOCAL3, STORELOCAL4,
- STORELOCAL5, STORELOCAL6, STORELOCAL7, STORELOCAL8, STORELOCAL9,
- STORELOCAL,
- STOREGLOBAL,
- STOREINDEXED0,
- STOREINDEXED,
- STORELIST0,
- STORELIST,
- STORERECORD,
- ADJUST0,
- ADJUST,
- CREATEARRAY,
- EQOP,
- LTOP,
- LEOP,
- GTOP,
- GEOP,
- ADDOP,
- SUBOP,
- MULTOP,
- DIVOP,
- POWOP,
- CONCOP,
- MINUSOP,
- NOTOP,
- ONTJMP,
- ONFJMP,
- JMP,
- UPJMP,
- IFFJMP,
- IFFUPJMP,
- POP,
- CALLFUNC,
- RETCODE0,
- RETCODE,
- SETLINE,
- VARARGS
+typedef enum {
+/* name parm before after side effect
+-----------------------------------------------------------------------------*/
+
+PUSHNIL,/* - nil */
+PUSH0,/* - 0.0 */
+PUSH1,/* - 1.0 */
+PUSH2,/* - 2.0 */
+PUSHBYTE,/* b - (float)b */
+PUSHWORD,/* w - (float)w */
+PUSHFLOAT,/* f - f */
+PUSHSTRING,/* w - STR[w] */
+PUSHFUNCTION,/* p - FUN(p) */
+PUSHLOCAL0,/* - LOC[0] */
+PUSHLOCAL1,/* - LOC[1] */
+PUSHLOCAL2,/* - LOC[2] */
+PUSHLOCAL3,/* - LOC[3] */
+PUSHLOCAL4,/* - LOC[4] */
+PUSHLOCAL5,/* - LOC[5] */
+PUSHLOCAL6,/* - LOC[6] */
+PUSHLOCAL7,/* - LOC[7] */
+PUSHLOCAL8,/* - LOC[8] */
+PUSHLOCAL9,/* - LOC[9] */
+PUSHLOCAL,/* w - LOC[w] */
+PUSHGLOBAL,/* w - VAR[w] */
+PUSHINDEXED,/* i t t[i] */
+PUSHSELF,/* w t t t[STR[w]] */
+STORELOCAL0,/* x - LOC[0]=x */
+STORELOCAL1,/* x - LOC[1]=x */
+STORELOCAL2,/* x - LOC[2]=x */
+STORELOCAL3,/* x - LOC[3]=x */
+STORELOCAL4,/* x - LOC[4]=x */
+STORELOCAL5,/* x - LOC[5]=x */
+STORELOCAL6,/* x - LOC[6]=x */
+STORELOCAL7,/* x - LOC[7]=x */
+STORELOCAL8,/* x - LOC[8]=x */
+STORELOCAL9,/* x - LOC[9]=x */
+STORELOCAL,/* w x - LOC[w]=x */
+STOREGLOBAL,/* w x - VAR[w]=x */
+STOREINDEXED0,/* v i t - t[i]=v */
+STOREINDEXED,/* b v a_b...a_1 i t a_b...a_1 i t t[i]=v */
+STORELIST0,/* w v_w...v_1 t - t[i]=v_i */
+STORELIST,/* w n v_w...v_1 t - t[i+n*FPF]=v_i */
+STORERECORD,/* n
+ w_n...w_1 v_n...v_1 t - t[STR[w_i]]=v_i */
+ADJUST0,/* - - TOP=BASE */
+ADJUST,/* b - - TOP=BASE+b */
+CREATEARRAY,/* w - newarray(size = w) */
+EQOP,/* y x (x==y)? 1 : nil */
+LTOP,/* y x (x<y)? 1 : nil */
+LEOP,/* y x (x<y)? 1 : nil */
+GTOP,/* y x (x>y)? 1 : nil */
+GEOP,/* y x (x>=y)? 1 : nil */
+ADDOP,/* y x x+y */
+SUBOP,/* y x x-y */
+MULTOP,/* y x x*y */
+DIVOP,/* y x x/y */
+POWOP,/* y x x^y */
+CONCOP,/* y x x..y */
+MINUSOP,/* x -x */
+NOTOP,/* x (x==nil)? 1 : nil */
+ONTJMP,/* w x - (x!=nil)? PC+=w */
+ONFJMP,/* w x - (x==nil)? PC+=w */
+JMP,/* w - - PC+=w */
+UPJMP,/* w - - PC-=w */
+IFFJMP,/* w x - (x==nil)? PC+=w */
+IFFUPJMP,/* w x - (x==nil)? PC-=w */
+POP,/* x - */
+CALLFUNC,/* n m v_n...v_1 f r_m...r_1 f(v1,...,v_n) */
+RETCODE0,
+RETCODE,/* b - - */
+SETLINE,/* w - - LINE=w */
+VARARGS/* b v_n...v_1 {v_1...v_n;n=n} */
+
} OpCode;
+
#define MULT_RET 255
