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Fix operator precedences and make the most of them when decompiling (350531, r=mrbkap/sayrer).

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This commit is contained in:
brendan%mozilla.org 2006-09-06 06:31:08 +00:00
parent eb9492f511
commit 7debe644bf
2 changed files with 209 additions and 162 deletions
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81
js/src/jsopcode.c
View File

@ -930,7 +930,7 @@ Decompile(SprintStack *ss, jsbytecode *pc, intN nb)
jsbytecode *endpc, *pc2, *done, *forelem_tail, *forelem_done;
ptrdiff_t tail, todo, len, oplen, cond, next;
JSOp op, lastop, saveop;
const JSCodeSpec *cs, *topcs;
const JSCodeSpec *cs;
jssrcnote *sn, *sn2;
const char *lval, *rval, *xval, *fmt;
jsint i, argc;
@ -1019,7 +1019,7 @@ Decompile(SprintStack *ss, jsbytecode *pc, intN nb)
forelem_tail = forelem_done = NULL;
tail = -1;
todo = -2; /* NB: different from Sprint() error return. */
op = JSOP_NOP;
saveop = JSOP_NOP;
sn = NULL;
rval = NULL;
#if JS_HAS_XML_SUPPORT
@ -1027,7 +1027,14 @@ Decompile(SprintStack *ss, jsbytecode *pc, intN nb)
#endif
while (pc < endpc) {
lastop = op;
/*
* Move saveop to lastop so prefixed bytecodes can take special action
* while sharing maximal code. Set op and saveop to the new bytecode,
* use op in POP_STR to trigger automatic parenthesization, but push
* saveop at the bottom of the loop if this op pushes. Thus op may be
* set to nop or otherwise mutated to suppress auto-parens.
*/
lastop = saveop;
op = saveop = (JSOp) *pc;
if (op >= JSOP_LIMIT) {
switch (op) {
@ -1046,12 +1053,22 @@ Decompile(SprintStack *ss, jsbytecode *pc, intN nb)
if (cs->token) {
switch (cs->nuses) {
case 2:
rval = POP_STR();
lval = POP_STR();
sn = js_GetSrcNote(jp->script, pc);
if (sn && SN_TYPE(sn) == SRC_ASSIGNOP) {
/*
* Avoid over-parenthesizing y in x op= y based on its
* expansion: x = x op y (replace y by z = w to see the
* problem).
*/
op = pc[1];
JS_ASSERT(op != saveop);
}
rval = POP_STR();
lval = POP_STR();
if (op != saveop) {
/* Print only the right operand of the assignment-op. */
todo = SprintCString(&ss->sprinter, rval);
op = saveop;
} else if (!inXML) {
todo = Sprint(&ss->sprinter, "%s %s %s",
lval, cs->token, rval);
@ -1205,16 +1222,13 @@ Decompile(SprintStack *ss, jsbytecode *pc, intN nb)
break;
case JSOP_GROUP:
/* Use last real op so PopOff adds parens if needed. */
todo = PopOff(ss, lastop);
/* Now add user-supplied parens only if PopOff did not. */
cs = &js_CodeSpec[lastop];
topcs = &js_CodeSpec[ss->opcodes[ss->top]];
if (topcs->prec >= cs->prec) {
todo = Sprint(&ss->sprinter, "(%s)",
OFF2STR(&ss->sprinter, todo));
}
/*
* Don't explicitly parenthesize -- just fix the top opcode so
* that the auto-parens magic in PopOff can do its thing.
*/
LOCAL_ASSERT(ss->top != 0);
ss->opcodes[ss->top-1] = lastop;
todo = -2;
break;
case JSOP_STARTITER:
@ -1308,6 +1322,15 @@ Decompile(SprintStack *ss, jsbytecode *pc, intN nb)
break;
case JSOP_POP:
/*
* By default, do not automatically parenthesize when popping
* a stacked expression decompilation. We auto-parenthesize
* only when JSOP_POP is annotated with SRC_PCDELTA, meaning
* comma operator.
*/
op = JSOP_POPV;
/* FALL THROUGH */
case JSOP_POPV:
sn = js_GetSrcNote(jp->script, pc);
switch (sn ? SN_TYPE(sn) : SRC_NULL) {
@ -1320,6 +1343,9 @@ Decompile(SprintStack *ss, jsbytecode *pc, intN nb)
goto do_forloop;
case SRC_PCDELTA:
/* Comma operator: use JSOP_POP for correct precedence. */
op = JSOP_POP;
/* Pop and save to avoid blowing stack depth budget. */
lval = JS_strdup(cx, POP_STR());
if (!lval)
@ -1606,8 +1632,6 @@ Decompile(SprintStack *ss, jsbytecode *pc, intN nb)
goto do_forlvalinloop;
case JSOP_SETRVAL:
op = JSOP_RETURN;
/* FALL THROUGH */
case JSOP_RETURN:
rval = POP_STR();
if (*rval != '\0')
@ -2014,7 +2038,7 @@ Decompile(SprintStack *ss, jsbytecode *pc, intN nb)
case JSOP_DUP:
rval = OFF2STR(&ss->sprinter, ss->offsets[ss->top-1]);
op = ss->opcodes[ss->top-1];
saveop = ss->opcodes[ss->top-1];
todo = SprintCString(&ss->sprinter, rval);
break;
@ -2062,7 +2086,6 @@ Decompile(SprintStack *ss, jsbytecode *pc, intN nb)
#if JS_HAS_LVALUE_RETURN
case JSOP_SETCALL:
#endif
saveop = op;
op = JSOP_NOP; /* turn off parens */
argc = GET_ARGC(pc);
argv = (char **)
@ -2084,15 +2107,15 @@ Decompile(SprintStack *ss, jsbytecode *pc, intN nb)
(void) PopOff(ss, op);
/* Get the callee's decompiled image in argv[0]. */
if (saveop == JSOP_NEW)
op = saveop;
op = saveop;
argv[0] = JS_strdup(cx, POP_STR());
op = JSOP_NOP;
if (!argv[i])
ok = JS_FALSE;
lval = "(", rval = ")";
if (saveop == JSOP_NEW) {
if (op == JSOP_NEW) {
if (argc == 0)
lval = rval = "";
todo = Sprint(&ss->sprinter, "%s %s%s",
js_new_str, argv[0], lval);
} else {
@ -2120,7 +2143,6 @@ Decompile(SprintStack *ss, jsbytecode *pc, intN nb)
JS_free(cx, argv);
if (!ok)
return JS_FALSE;
op = saveop;
#if JS_HAS_LVALUE_RETURN
if (op == JSOP_SETCALL) {
if (!PushOff(ss, todo, op))
@ -2361,7 +2383,7 @@ Decompile(SprintStack *ss, jsbytecode *pc, intN nb)
case JSOP_GETXELEM:
op = JSOP_NOP; /* turn off parens */
xval = POP_STR();
op = JSOP_GETELEM;
op = saveop;
lval = POP_STR();
if (*xval == '\0') {
todo = Sprint(&ss->sprinter, "%s", lval);
@ -2378,7 +2400,7 @@ Decompile(SprintStack *ss, jsbytecode *pc, intN nb)
op = JSOP_NOP; /* turn off parens */
rval = POP_STR();
xval = POP_STR();
op = JSOP_SETELEM;
op = saveop;
lval = POP_STR();
if (*xval == '\0')
goto do_setlval;
@ -2455,7 +2477,7 @@ Decompile(SprintStack *ss, jsbytecode *pc, intN nb)
case JSOP_LITOPX:
atomIndex = GET_LITERAL_INDEX(pc);
pc2 = pc + 1 + LITERAL_INDEX_LEN;
op = *pc2;
op = saveop = *pc2;
pc += len - (1 + ATOM_INDEX_LEN);
cs = &js_CodeSpec[op];
len = cs->length;
@ -2804,6 +2826,7 @@ Decompile(SprintStack *ss, jsbytecode *pc, intN nb)
op = JS_GetTrapOpcode(cx, jp->script, pc);
if (op == JSOP_LIMIT)
return JS_FALSE;
saveop = op;
*pc = op;
cs = &js_CodeSpec[op];
len = cs->length;
@ -2836,7 +2859,6 @@ Decompile(SprintStack *ss, jsbytecode *pc, intN nb)
if (SprintCString(&ss->sprinter, "{") < 0)
return JS_FALSE;
}
op = JSOP_NEWINIT; /* mark the stack with this op */
break;
case JSOP_ENDINIT:
@ -2950,6 +2972,7 @@ Decompile(SprintStack *ss, jsbytecode *pc, intN nb)
BEGIN_LITOPX_CASE(JSOP_QNAMEPART)
if (pc[JSOP_QNAMEPART_LENGTH] == JSOP_TOATTRNAME) {
saveop = JSOP_TOATTRNAME;
len += JSOP_TOATTRNAME_LENGTH;
lval = "@";
goto do_qname;
@ -3105,7 +3128,7 @@ Decompile(SprintStack *ss, jsbytecode *pc, intN nb)
if (todo == -1)
return JS_FALSE;
} else {
if (!PushOff(ss, todo, op))
if (!PushOff(ss, todo, saveop))
return JS_FALSE;
}
pc += len;

290
js/src/jsopcode.tbl
View File

@ -63,6 +63,30 @@
* prec Operator precedence, zero if not an operator
* format Bytecode plus immediate operand encoding format
*
* Precedence Operators Opcodes
* 1 let (x = y) z, w JSOP_LEAVEBLOCKEXPR
* 2 , JSOP_POP with SRC_PCDELTA note
* 3 =, +=, etc. JSOP_SETNAME, etc. (all JOF_ASSIGNING)
* 4 ?: JSOP_IFEQ, JSOP_IFEQX
* 5 || JSOP_OR, JSOP_ORX
* 6 && JSOP_AND, JSOP_ANDX
* 7 | JSOP_BITOR
* 8 ^ JSOP_BITXOR
* 9 & JSOP_BITAND
* 10 ==, !=, etc. JSOP_EQ, JSOP_NE, etc.
* 11 <, in, etc. JSOP_LT, JSOP_IN, etc.
* 12 <<, >>, >>> JSOP_LSH, JSOP_RSH, JSOP_URSH
* 13 +, -, etc. JSOP_ADD, JSOP_SUB, etc.
* 14 *, /, % JSOP_MUL, JSOP_DIV, JSOP_MOD
* 15 !, ~, etc. JSOP_NOT, JSOP_BITNOT, etc.
* 16 0, 3.14, etc. JSOP_ZERO, JSOP_NUMBER, etc.
* 17 x.y, f(), etc. JSOP_GETPROP, JSOP_CALL, etc.
* 18 x, null, etc. JSOP_NAME, JSOP_NULL, etc.
*
* The push-numeric-constant operators, JSOP_ZERO, JSOP_NUMBER, etc., have
* lower precedence than the member operators emitted for the . operator, to
* cause the decompiler to parenthesize the . left operand, e.g. (0).foo.
*
* This file is best viewed with 128 columns:
12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678
*/
@ -77,11 +101,11 @@ OPDEF(JSOP_ENTERWITH, 3, "enterwith", NULL, 1, 1, 1, 0, JOF_BYTE)
OPDEF(JSOP_LEAVEWITH, 4, "leavewith", NULL, 1, 1, 0, 0, JOF_BYTE)
OPDEF(JSOP_RETURN, 5, "return", NULL, 1, 1, 0, 0, JOF_BYTE)
OPDEF(JSOP_GOTO, 6, "goto", NULL, 3, 0, 0, 0, JOF_JUMP)
OPDEF(JSOP_IFEQ, 7, "ifeq", NULL, 3, 1, 0, 0, JOF_JUMP|JOF_DETECTING)
OPDEF(JSOP_IFEQ, 7, "ifeq", NULL, 3, 1, 0, 4, JOF_JUMP|JOF_DETECTING)
OPDEF(JSOP_IFNE, 8, "ifne", NULL, 3, 1, 0, 0, JOF_JUMP)
/* Get the arguments object for the current, lightweight function activation. */
OPDEF(JSOP_ARGUMENTS, 9, js_arguments_str, js_arguments_str, 1, 0, 1, 12, JOF_BYTE)
OPDEF(JSOP_ARGUMENTS, 9, js_arguments_str, js_arguments_str, 1, 0, 1, 18, JOF_BYTE)
/* ECMA-compliant for-in loop with argument or local variable loop control. */
OPDEF(JSOP_FORARG, 10, "forarg", NULL, 3, 0, 1, 0, JOF_QARG|JOF_NAME|JOF_FOR)
@ -90,70 +114,70 @@ OPDEF(JSOP_FORVAR, 11, "forvar", NULL, 3, 0, 1, 0, JOF_QVAR|J
/* More longstanding bytecodes. */
OPDEF(JSOP_DUP, 12, "dup", NULL, 1, 1, 2, 0, JOF_BYTE)
OPDEF(JSOP_DUP2, 13, "dup2", NULL, 1, 2, 4, 0, JOF_BYTE)
OPDEF(JSOP_SETCONST, 14, "setconst", NULL, 3, 1, 1, 1, JOF_CONST|JOF_NAME|JOF_SET|JOF_ASSIGNING)
OPDEF(JSOP_BITOR, 15, "bitor", "|", 1, 2, 1, 2, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_BITXOR, 16, "bitxor", "^", 1, 2, 1, 3, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_BITAND, 17, "bitand", "&", 1, 2, 1, 4, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_EQ, 18, "eq", "==", 1, 2, 1, 5, JOF_BYTE|JOF_LEFTASSOC|JOF_DETECTING)
OPDEF(JSOP_NE, 19, "ne", "!=", 1, 2, 1, 5, JOF_BYTE|JOF_LEFTASSOC|JOF_DETECTING)
OPDEF(JSOP_LT, 20, "lt", "<", 1, 2, 1, 6, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_LE, 21, "le", "<=", 1, 2, 1, 6, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_GT, 22, "gt", ">", 1, 2, 1, 6, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_GE, 23, "ge", ">=", 1, 2, 1, 6, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_LSH, 24, "lsh", "<<", 1, 2, 1, 7, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_RSH, 25, "rsh", ">>", 1, 2, 1, 7, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_URSH, 26, "ursh", ">>>", 1, 2, 1, 7, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_ADD, 27, "add", "+", 1, 2, 1, 8, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_SUB, 28, "sub", "-", 1, 2, 1, 8, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_MUL, 29, "mul", "*", 1, 2, 1, 9, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_DIV, 30, "div", "/", 1, 2, 1, 9, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_MOD, 31, "mod", "%", 1, 2, 1, 9, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_NOT, 32, "not", "!", 1, 1, 1, 10, JOF_BYTE|JOF_DETECTING)
OPDEF(JSOP_BITNOT, 33, "bitnot", "~", 1, 1, 1, 10, JOF_BYTE)
OPDEF(JSOP_NEG, 34, "neg", "- ", 1, 1, 1, 10, JOF_BYTE)
OPDEF(JSOP_NEW, 35, js_new_str, NULL, 3, -1, 1, 10, JOF_UINT16)
OPDEF(JSOP_DELNAME, 36, "delname", NULL, 3, 0, 1, 10, JOF_CONST|JOF_NAME|JOF_DEL)
OPDEF(JSOP_DELPROP, 37, "delprop", NULL, 3, 1, 1, 12, JOF_CONST|JOF_PROP|JOF_DEL)
OPDEF(JSOP_DELELEM, 38, "delelem", NULL, 1, 2, 1, 12, JOF_BYTE |JOF_ELEM|JOF_DEL)
OPDEF(JSOP_TYPEOF, 39, js_typeof_str,NULL, 1, 1, 1, 10, JOF_BYTE|JOF_DETECTING)
OPDEF(JSOP_VOID, 40, js_void_str, NULL, 1, 1, 1, 10, JOF_BYTE)
OPDEF(JSOP_INCNAME, 41, "incname", NULL, 3, 0, 1, 10, JOF_CONST|JOF_NAME|JOF_INC)
OPDEF(JSOP_INCPROP, 42, "incprop", NULL, 3, 1, 1, 10, JOF_CONST|JOF_PROP|JOF_INC)
OPDEF(JSOP_INCELEM, 43, "incelem", NULL, 1, 2, 1, 10, JOF_BYTE |JOF_ELEM|JOF_INC)
OPDEF(JSOP_DECNAME, 44, "decname", NULL, 3, 0, 1, 10, JOF_CONST|JOF_NAME|JOF_DEC)
OPDEF(JSOP_DECPROP, 45, "decprop", NULL, 3, 1, 1, 10, JOF_CONST|JOF_PROP|JOF_DEC)
OPDEF(JSOP_DECELEM, 46, "decelem", NULL, 1, 2, 1, 10, JOF_BYTE |JOF_ELEM|JOF_DEC)
OPDEF(JSOP_NAMEINC, 47, "nameinc", NULL, 3, 0, 1, 10, JOF_CONST|JOF_NAME|JOF_INC|JOF_POST)
OPDEF(JSOP_PROPINC, 48, "propinc", NULL, 3, 1, 1, 10, JOF_CONST|JOF_PROP|JOF_INC|JOF_POST)
OPDEF(JSOP_ELEMINC, 49, "eleminc", NULL, 1, 2, 1, 10, JOF_BYTE |JOF_ELEM|JOF_INC|JOF_POST)
OPDEF(JSOP_NAMEDEC, 50, "namedec", NULL, 3, 0, 1, 10, JOF_CONST|JOF_NAME|JOF_DEC|JOF_POST)
OPDEF(JSOP_PROPDEC, 51, "propdec", NULL, 3, 1, 1, 10, JOF_CONST|JOF_PROP|JOF_DEC|JOF_POST)
OPDEF(JSOP_ELEMDEC, 52, "elemdec", NULL, 1, 2, 1, 10, JOF_BYTE |JOF_ELEM|JOF_DEC|JOF_POST)
OPDEF(JSOP_GETPROP, 53, "getprop", NULL, 3, 1, 1, 12, JOF_CONST|JOF_PROP)
OPDEF(JSOP_SETPROP, 54, "setprop", NULL, 3, 2, 1, 1, JOF_CONST|JOF_PROP|JOF_SET|JOF_ASSIGNING|JOF_DETECTING)
OPDEF(JSOP_GETELEM, 55, "getelem", NULL, 1, 2, 1, 12, JOF_BYTE |JOF_ELEM|JOF_LEFTASSOC)
OPDEF(JSOP_SETELEM, 56, "setelem", NULL, 1, 3, 1, 1, JOF_BYTE |JOF_ELEM|JOF_SET|JOF_ASSIGNING|JOF_DETECTING)
OPDEF(JSOP_SETCONST, 14, "setconst", NULL, 3, 1, 1, 3, JOF_CONST|JOF_NAME|JOF_SET|JOF_ASSIGNING)
OPDEF(JSOP_BITOR, 15, "bitor", "|", 1, 2, 1, 7, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_BITXOR, 16, "bitxor", "^", 1, 2, 1, 8, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_BITAND, 17, "bitand", "&", 1, 2, 1, 9, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_EQ, 18, "eq", "==", 1, 2, 1, 10, JOF_BYTE|JOF_LEFTASSOC|JOF_DETECTING)
OPDEF(JSOP_NE, 19, "ne", "!=", 1, 2, 1, 10, JOF_BYTE|JOF_LEFTASSOC|JOF_DETECTING)
OPDEF(JSOP_LT, 20, "lt", "<", 1, 2, 1, 11, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_LE, 21, "le", "<=", 1, 2, 1, 11, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_GT, 22, "gt", ">", 1, 2, 1, 11, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_GE, 23, "ge", ">=", 1, 2, 1, 11, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_LSH, 24, "lsh", "<<", 1, 2, 1, 12, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_RSH, 25, "rsh", ">>", 1, 2, 1, 12, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_URSH, 26, "ursh", ">>>", 1, 2, 1, 12, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_ADD, 27, "add", "+", 1, 2, 1, 13, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_SUB, 28, "sub", "-", 1, 2, 1, 13, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_MUL, 29, "mul", "*", 1, 2, 1, 14, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_DIV, 30, "div", "/", 1, 2, 1, 14, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_MOD, 31, "mod", "%", 1, 2, 1, 14, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_NOT, 32, "not", "!", 1, 1, 1, 15, JOF_BYTE|JOF_DETECTING)
OPDEF(JSOP_BITNOT, 33, "bitnot", "~", 1, 1, 1, 15, JOF_BYTE)
OPDEF(JSOP_NEG, 34, "neg", "- ", 1, 1, 1, 15, JOF_BYTE)
OPDEF(JSOP_NEW, 35, js_new_str, NULL, 3, -1, 1, 15, JOF_UINT16)
OPDEF(JSOP_DELNAME, 36, "delname", NULL, 3, 0, 1, 15, JOF_CONST|JOF_NAME|JOF_DEL)
OPDEF(JSOP_DELPROP, 37, "delprop", NULL, 3, 1, 1, 17, JOF_CONST|JOF_PROP|JOF_DEL)
OPDEF(JSOP_DELELEM, 38, "delelem", NULL, 1, 2, 1, 17, JOF_BYTE |JOF_ELEM|JOF_DEL)
OPDEF(JSOP_TYPEOF, 39, js_typeof_str,NULL, 1, 1, 1, 15, JOF_BYTE|JOF_DETECTING)
OPDEF(JSOP_VOID, 40, js_void_str, NULL, 1, 1, 1, 15, JOF_BYTE)
OPDEF(JSOP_INCNAME, 41, "incname", NULL, 3, 0, 1, 15, JOF_CONST|JOF_NAME|JOF_INC)
OPDEF(JSOP_INCPROP, 42, "incprop", NULL, 3, 1, 1, 15, JOF_CONST|JOF_PROP|JOF_INC)
OPDEF(JSOP_INCELEM, 43, "incelem", NULL, 1, 2, 1, 15, JOF_BYTE |JOF_ELEM|JOF_INC)
OPDEF(JSOP_DECNAME, 44, "decname", NULL, 3, 0, 1, 15, JOF_CONST|JOF_NAME|JOF_DEC)
OPDEF(JSOP_DECPROP, 45, "decprop", NULL, 3, 1, 1, 15, JOF_CONST|JOF_PROP|JOF_DEC)
OPDEF(JSOP_DECELEM, 46, "decelem", NULL, 1, 2, 1, 15, JOF_BYTE |JOF_ELEM|JOF_DEC)
OPDEF(JSOP_NAMEINC, 47, "nameinc", NULL, 3, 0, 1, 15, JOF_CONST|JOF_NAME|JOF_INC|JOF_POST)
OPDEF(JSOP_PROPINC, 48, "propinc", NULL, 3, 1, 1, 15, JOF_CONST|JOF_PROP|JOF_INC|JOF_POST)
OPDEF(JSOP_ELEMINC, 49, "eleminc", NULL, 1, 2, 1, 15, JOF_BYTE |JOF_ELEM|JOF_INC|JOF_POST)
OPDEF(JSOP_NAMEDEC, 50, "namedec", NULL, 3, 0, 1, 15, JOF_CONST|JOF_NAME|JOF_DEC|JOF_POST)
OPDEF(JSOP_PROPDEC, 51, "propdec", NULL, 3, 1, 1, 15, JOF_CONST|JOF_PROP|JOF_DEC|JOF_POST)
OPDEF(JSOP_ELEMDEC, 52, "elemdec", NULL, 1, 2, 1, 15, JOF_BYTE |JOF_ELEM|JOF_DEC|JOF_POST)
OPDEF(JSOP_GETPROP, 53, "getprop", NULL, 3, 1, 1, 17, JOF_CONST|JOF_PROP)
OPDEF(JSOP_SETPROP, 54, "setprop", NULL, 3, 2, 1, 3, JOF_CONST|JOF_PROP|JOF_SET|JOF_ASSIGNING|JOF_DETECTING)
OPDEF(JSOP_GETELEM, 55, "getelem", NULL, 1, 2, 1, 17, JOF_BYTE |JOF_ELEM|JOF_LEFTASSOC)
OPDEF(JSOP_SETELEM, 56, "setelem", NULL, 1, 3, 1, 3, JOF_BYTE |JOF_ELEM|JOF_SET|JOF_ASSIGNING|JOF_DETECTING)
OPDEF(JSOP_PUSHOBJ, 57, "pushobj", NULL, 1, 0, 1, 0, JOF_BYTE)
OPDEF(JSOP_CALL, 58, "call", NULL, 3, -1, 1, 12, JOF_UINT16)
OPDEF(JSOP_NAME, 59, "name", NULL, 3, 0, 1, 13, JOF_CONST|JOF_NAME)
OPDEF(JSOP_NUMBER, 60, "number", NULL, 3, 0, 1, 11, JOF_CONST)
OPDEF(JSOP_STRING, 61, "string", NULL, 3, 0, 1, 13, JOF_CONST)
OPDEF(JSOP_ZERO, 62, "zero", "0", 1, 0, 1, 11, JOF_BYTE)
OPDEF(JSOP_ONE, 63, "one", "1", 1, 0, 1, 11, JOF_BYTE)
OPDEF(JSOP_NULL, 64, js_null_str, js_null_str, 1, 0, 1, 13, JOF_BYTE)
OPDEF(JSOP_THIS, 65, js_this_str, js_this_str, 1, 0, 1, 13, JOF_BYTE)
OPDEF(JSOP_FALSE, 66, js_false_str, js_false_str, 1, 0, 1, 13, JOF_BYTE)
OPDEF(JSOP_TRUE, 67, js_true_str, js_true_str, 1, 0, 1, 13, JOF_BYTE)
OPDEF(JSOP_OR, 68, "or", NULL, 3, 1, 0, 0, JOF_JUMP|JOF_DETECTING)
OPDEF(JSOP_AND, 69, "and", NULL, 3, 1, 0, 0, JOF_JUMP|JOF_DETECTING)
OPDEF(JSOP_CALL, 58, "call", NULL, 3, -1, 1, 17, JOF_UINT16)
OPDEF(JSOP_NAME, 59, "name", NULL, 3, 0, 1, 18, JOF_CONST|JOF_NAME)
OPDEF(JSOP_NUMBER, 60, "number", NULL, 3, 0, 1, 16, JOF_CONST)
OPDEF(JSOP_STRING, 61, "string", NULL, 3, 0, 1, 18, JOF_CONST)
OPDEF(JSOP_ZERO, 62, "zero", "0", 1, 0, 1, 16, JOF_BYTE)
OPDEF(JSOP_ONE, 63, "one", "1", 1, 0, 1, 16, JOF_BYTE)
OPDEF(JSOP_NULL, 64, js_null_str, js_null_str, 1, 0, 1, 18, JOF_BYTE)
OPDEF(JSOP_THIS, 65, js_this_str, js_this_str, 1, 0, 1, 18, JOF_BYTE)
OPDEF(JSOP_FALSE, 66, js_false_str, js_false_str, 1, 0, 1, 18, JOF_BYTE)
OPDEF(JSOP_TRUE, 67, js_true_str, js_true_str, 1, 0, 1, 18, JOF_BYTE)
OPDEF(JSOP_OR, 68, "or", NULL, 3, 1, 0, 5, JOF_JUMP|JOF_DETECTING)
OPDEF(JSOP_AND, 69, "and", NULL, 3, 1, 0, 6, JOF_JUMP|JOF_DETECTING)
/* The switch bytecodes have variable length. */
OPDEF(JSOP_TABLESWITCH, 70, "tableswitch", NULL, -1, 1, 0, 0, JOF_TABLESWITCH|JOF_DETECTING)
OPDEF(JSOP_LOOKUPSWITCH, 71, "lookupswitch", NULL, -1, 1, 0, 0, JOF_LOOKUPSWITCH|JOF_DETECTING)
/* New, infallible/transitive identity ops. */
OPDEF(JSOP_NEW_EQ, 72, "eq", NULL, 1, 2, 1, 5, JOF_BYTE|JOF_DETECTING)
OPDEF(JSOP_NEW_NE, 73, "ne", NULL, 1, 2, 1, 5, JOF_BYTE|JOF_DETECTING)
OPDEF(JSOP_NEW_EQ, 72, "eq", NULL, 1, 2, 1, 10, JOF_BYTE|JOF_DETECTING)
OPDEF(JSOP_NEW_NE, 73, "ne", NULL, 1, 2, 1, 10, JOF_BYTE|JOF_DETECTING)
/* Lexical closure constructor. */
OPDEF(JSOP_CLOSURE, 74, "closure", NULL, 3, 0, 0, 0, JOF_CONST)
@ -166,28 +190,28 @@ OPDEF(JSOP_IMPORTPROP,78, "importprop", NULL, 3, 1, 0, 0, JOF_CONST|
OPDEF(JSOP_IMPORTELEM,79, "importelem", NULL, 1, 2, 0, 0, JOF_BYTE |JOF_ELEM|JOF_IMPORT)
/* Push object literal. */
OPDEF(JSOP_OBJECT, 80, "object", NULL, 3, 0, 1, 13, JOF_CONST)
OPDEF(JSOP_OBJECT, 80, "object", NULL, 3, 0, 1, 18, JOF_CONST)
/* Pop value and discard it. */
OPDEF(JSOP_POP, 81, "pop", NULL, 1, 1, 0, 0, JOF_BYTE)
OPDEF(JSOP_POP, 81, "pop", NULL, 1, 1, 0, 2, JOF_BYTE)
/* Convert value to number, for unary +. */
OPDEF(JSOP_POS, 82, "pos", "+ ", 1, 1, 1, 10, JOF_BYTE)
OPDEF(JSOP_POS, 82, "pos", "+ ", 1, 1, 1, 15, JOF_BYTE)
/* Trap into debugger for breakpoint, etc. */
OPDEF(JSOP_TRAP, 83, "trap", NULL, 1, 0, 0, 0, JOF_BYTE)
/* Fast get/set ops for function arguments and local variables. */
OPDEF(JSOP_GETARG, 84, "getarg", NULL, 3, 0, 1, 13, JOF_QARG |JOF_NAME)
OPDEF(JSOP_SETARG, 85, "setarg", NULL, 3, 1, 1, 1, JOF_QARG |JOF_NAME|JOF_SET|JOF_ASSIGNING)
OPDEF(JSOP_GETVAR, 86, "getvar", NULL, 3, 0, 1, 13, JOF_QVAR |JOF_NAME)
OPDEF(JSOP_SETVAR, 87, "setvar", NULL, 3, 1, 1, 1, JOF_QVAR |JOF_NAME|JOF_SET|JOF_ASSIGNING|JOF_DETECTING)
OPDEF(JSOP_GETARG, 84, "getarg", NULL, 3, 0, 1, 18, JOF_QARG |JOF_NAME)
OPDEF(JSOP_SETARG, 85, "setarg", NULL, 3, 1, 1, 3, JOF_QARG |JOF_NAME|JOF_SET|JOF_ASSIGNING)
OPDEF(JSOP_GETVAR, 86, "getvar", NULL, 3, 0, 1, 18, JOF_QVAR |JOF_NAME)
OPDEF(JSOP_SETVAR, 87, "setvar", NULL, 3, 1, 1, 3, JOF_QVAR |JOF_NAME|JOF_SET|JOF_ASSIGNING|JOF_DETECTING)
/* Push unsigned 16-bit int constant. */
OPDEF(JSOP_UINT16, 88, "uint16", NULL, 3, 0, 1, 11, JOF_UINT16)
OPDEF(JSOP_UINT16, 88, "uint16", NULL, 3, 0, 1, 16, JOF_UINT16)
/* Object and array literal support. */
OPDEF(JSOP_NEWINIT, 89, "newinit", NULL, 1, 2, 1, 10, JOF_BYTE)
OPDEF(JSOP_NEWINIT, 89, "newinit", NULL, 1, 2, 1, 15, JOF_BYTE)
OPDEF(JSOP_ENDINIT, 90, "endinit", NULL, 1, 0, 0, 0, JOF_BYTE)
OPDEF(JSOP_INITPROP, 91, "initprop", NULL, 3, 1, 0, 0, JOF_CONST|JOF_PROP|JOF_DETECTING)
OPDEF(JSOP_INITELEM, 92, "initelem", NULL, 1, 2, 0, 0, JOF_BYTE |JOF_ELEM|JOF_DETECTING)
@ -195,14 +219,14 @@ OPDEF(JSOP_DEFSHARP, 93, "defsharp", NULL, 3, 0, 0, 0, JOF_UINT16
OPDEF(JSOP_USESHARP, 94, "usesharp", NULL, 3, 0, 1, 0, JOF_UINT16)
/* Fast inc/dec ops for args and local vars. */
OPDEF(JSOP_INCARG, 95, "incarg", NULL, 3, 0, 1, 10, JOF_QARG |JOF_NAME|JOF_INC)
OPDEF(JSOP_INCVAR, 96, "incvar", NULL, 3, 0, 1, 10, JOF_QVAR |JOF_NAME|JOF_INC)
OPDEF(JSOP_DECARG, 97, "decarg", NULL, 3, 0, 1, 10, JOF_QARG |JOF_NAME|JOF_DEC)
OPDEF(JSOP_DECVAR, 98, "decvar", NULL, 3, 0, 1, 10, JOF_QVAR |JOF_NAME|JOF_DEC)
OPDEF(JSOP_ARGINC, 99, "arginc", NULL, 3, 0, 1, 10, JOF_QARG |JOF_NAME|JOF_INC|JOF_POST)
OPDEF(JSOP_VARINC, 100,"varinc", NULL, 3, 0, 1, 10, JOF_QVAR |JOF_NAME|JOF_INC|JOF_POST)
OPDEF(JSOP_ARGDEC, 101,"argdec", NULL, 3, 0, 1, 10, JOF_QARG |JOF_NAME|JOF_DEC|JOF_POST)
OPDEF(JSOP_VARDEC, 102,"vardec", NULL, 3, 0, 1, 10, JOF_QVAR |JOF_NAME|JOF_DEC|JOF_POST)
OPDEF(JSOP_INCARG, 95, "incarg", NULL, 3, 0, 1, 15, JOF_QARG |JOF_NAME|JOF_INC)
OPDEF(JSOP_INCVAR, 96, "incvar", NULL, 3, 0, 1, 15, JOF_QVAR |JOF_NAME|JOF_INC)
OPDEF(JSOP_DECARG, 97, "decarg", NULL, 3, 0, 1, 15, JOF_QARG |JOF_NAME|JOF_DEC)
OPDEF(JSOP_DECVAR, 98, "decvar", NULL, 3, 0, 1, 15, JOF_QVAR |JOF_NAME|JOF_DEC)
OPDEF(JSOP_ARGINC, 99, "arginc", NULL, 3, 0, 1, 15, JOF_QARG |JOF_NAME|JOF_INC|JOF_POST)
OPDEF(JSOP_VARINC, 100,"varinc", NULL, 3, 0, 1, 15, JOF_QVAR |JOF_NAME|JOF_INC|JOF_POST)
OPDEF(JSOP_ARGDEC, 101,"argdec", NULL, 3, 0, 1, 15, JOF_QARG |JOF_NAME|JOF_DEC|JOF_POST)
OPDEF(JSOP_VARDEC, 102,"vardec", NULL, 3, 0, 1, 15, JOF_QVAR |JOF_NAME|JOF_DEC|JOF_POST)
/* ECMA-compliant for/in ops. */
OPDEF(JSOP_TOOBJECT, 103,"toobject", NULL, 1, 1, 1, 0, JOF_BYTE)
@ -213,14 +237,14 @@ OPDEF(JSOP_POP2, 107,"pop2", NULL, 1, 2, 0, 0, JOF_BYTE)
/* ECMA-compliant assignment ops. */
OPDEF(JSOP_BINDNAME, 108,"bindname", NULL, 3, 0, 1, 0, JOF_CONST|JOF_NAME|JOF_SET|JOF_ASSIGNING)
OPDEF(JSOP_SETNAME, 109,"setname", NULL, 3, 2, 1, 1, JOF_CONST|JOF_NAME|JOF_SET|JOF_ASSIGNING|JOF_DETECTING)
OPDEF(JSOP_SETNAME, 109,"setname", NULL, 3, 2, 1, 3, JOF_CONST|JOF_NAME|JOF_SET|JOF_ASSIGNING|JOF_DETECTING)
/* Exception handling ops. */
OPDEF(JSOP_THROW, 110,"throw", NULL, 1, 1, 0, 0, JOF_BYTE)
/* 'in' and 'instanceof' ops. */
OPDEF(JSOP_IN, 111,js_in_str, js_in_str, 1, 2, 1, 6, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_INSTANCEOF,112,js_instanceof_str,js_instanceof_str,1,2,1,6,JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_IN, 111,js_in_str, js_in_str, 1, 2, 1, 11, JOF_BYTE|JOF_LEFTASSOC)
OPDEF(JSOP_INSTANCEOF,112,js_instanceof_str,js_instanceof_str,1,2,1,11,JOF_BYTE|JOF_LEFTASSOC)
/* debugger op */
OPDEF(JSOP_DEBUGGER, 113,"debugger", NULL, 1, 0, 0, 0, JOF_BYTE)
@ -245,12 +269,12 @@ OPDEF(JSOP_DEFAULT, 120,"default", NULL, 3, 1, 0, 0, JOF_JUMP)
/*
* ECMA-compliant call to eval op
*/
OPDEF(JSOP_EVAL, 121,"eval", NULL, 3, -1, 1, 12, JOF_UINT16)
OPDEF(JSOP_EVAL, 121,"eval", NULL, 3, -1, 1, 17, JOF_UINT16)
/*
* ECMA-compliant helper for 'for (x[i] in o)' loops.
*/
OPDEF(JSOP_ENUMELEM, 122,"enumelem", NULL, 1, 3, 0, 1, JOF_BYTE |JOF_SET|JOF_ASSIGNING)
OPDEF(JSOP_ENUMELEM, 122,"enumelem", NULL, 1, 3, 0, 3, JOF_BYTE |JOF_SET|JOF_ASSIGNING)
/*
* Getter and setter prefix bytecodes. These modify the next bytecode, either
@ -268,22 +292,22 @@ OPDEF(JSOP_DEFCONST, 126,"defconst", NULL, 3, 0, 0, 0, JOF_CONST|
OPDEF(JSOP_DEFVAR, 127,"defvar", NULL, 3, 0, 0, 0, JOF_CONST|JOF_NAME|JOF_DECLARING)
/* Auto-clone (if needed due to re-parenting) and push an anonymous function. */
OPDEF(JSOP_ANONFUNOBJ, 128, "anonfunobj", NULL, 3, 0, 1, 13, JOF_CONST)
OPDEF(JSOP_ANONFUNOBJ, 128, "anonfunobj", NULL, 3, 0, 1, 18, JOF_CONST)
/* ECMA ed. 3 named function expression. */
OPDEF(JSOP_NAMEDFUNOBJ, 129, "namedfunobj", NULL, 3, 0, 1, 13, JOF_CONST)
OPDEF(JSOP_NAMEDFUNOBJ, 129, "namedfunobj", NULL, 3, 0, 1, 18, JOF_CONST)
/*
* Like JSOP_SETLOCAL, but specialized to avoid requiring JSOP_POP immediately
* after to throw away the exception value.
*/
OPDEF(JSOP_SETLOCALPOP, 130, "setlocalpop", NULL, 3, 1, 0, 0, JOF_LOCAL|JOF_NAME|JOF_SET)
OPDEF(JSOP_SETLOCALPOP, 130, "setlocalpop", NULL, 3, 1, 0, 3, JOF_LOCAL|JOF_NAME|JOF_SET)
/* ECMA-mandated parenthesization opcode, which nulls the reference base register, obj; see jsinterp.c. */
OPDEF(JSOP_GROUP, 131, "group", NULL, 1, 0, 0, 0, JOF_BYTE)
/* Host object extension: given 'o.item(i) = j', the left-hand side compiles JSOP_SETCALL, rather than JSOP_CALL. */
OPDEF(JSOP_SETCALL, 132, "setcall", NULL, 3, -1, 2, 12, JOF_UINT16|JOF_SET|JOF_ASSIGNING)
OPDEF(JSOP_SETCALL, 132, "setcall", NULL, 3, -1, 2, 17, JOF_UINT16|JOF_SET|JOF_ASSIGNING)
/*
* Exception handling no-ops, for more economical byte-coding than SRC_TRYFIN
@ -303,8 +327,8 @@ OPDEF(JSOP_SWAP, 135,"swap", NULL, 1, 2, 2, 0, JOF_BYTE)
* JSOP_ARGSUB gets arguments[i] from fp->argv, iff i is in [0, fp->argc-1].
* JSOP_ARGCNT returns fp->argc.
*/
OPDEF(JSOP_ARGSUB, 136,"argsub", NULL, 3, 0, 1, 13, JOF_QARG |JOF_NAME)
OPDEF(JSOP_ARGCNT, 137,"argcnt", NULL, 1, 0, 1, 13, JOF_BYTE)
OPDEF(JSOP_ARGSUB, 136,"argsub", NULL, 3, 0, 1, 17, JOF_QARG |JOF_NAME)
OPDEF(JSOP_ARGCNT, 137,"argcnt", NULL, 1, 0, 1, 17, JOF_BYTE)
/*
* Define a local function object as a local variable.
@ -315,10 +339,10 @@ OPDEF(JSOP_DEFLOCALFUN, 138,"deflocalfun",NULL, 5, 0, 0, 0, JOF_INDEXC
/* Extended jumps. */
OPDEF(JSOP_GOTOX, 139,"gotox", NULL, 5, 0, 0, 0, JOF_JUMPX)
OPDEF(JSOP_IFEQX, 140,"ifeqx", NULL, 5, 1, 0, 0, JOF_JUMPX|JOF_DETECTING)
OPDEF(JSOP_IFEQX, 140,"ifeqx", NULL, 5, 1, 0, 3, JOF_JUMPX|JOF_DETECTING)
OPDEF(JSOP_IFNEX, 141,"ifnex", NULL, 5, 1, 0, 0, JOF_JUMPX)
OPDEF(JSOP_ORX, 142,"orx", NULL, 5, 1, 0, 0, JOF_JUMPX|JOF_DETECTING)
OPDEF(JSOP_ANDX, 143,"andx", NULL, 5, 1, 0, 0, JOF_JUMPX|JOF_DETECTING)
OPDEF(JSOP_ORX, 142,"orx", NULL, 5, 1, 0, 5, JOF_JUMPX|JOF_DETECTING)
OPDEF(JSOP_ANDX, 143,"andx", NULL, 5, 1, 0, 6, JOF_JUMPX|JOF_DETECTING)
OPDEF(JSOP_GOSUBX, 144,"gosubx", NULL, 5, 0, 0, 0, JOF_JUMPX)
OPDEF(JSOP_CASEX, 145,"casex", NULL, 5, 1, 0, 0, JOF_JUMPX)
OPDEF(JSOP_DEFAULTX, 146,"defaultx", NULL, 5, 1, 0, 0, JOF_JUMPX)
@ -337,44 +361,44 @@ OPDEF(JSOP_SETRVAL, 152,"setrval", NULL, 1, 1, 0, 0, JOF_BYTE)
OPDEF(JSOP_RETRVAL, 153,"retrval", NULL, 1, 0, 0, 0, JOF_BYTE)
/* Optimized global variable ops (we don't bother doing a JSOP_FORGVAR op). */
OPDEF(JSOP_GETGVAR, 154,"getgvar", NULL, 3, 0, 1, 13, JOF_CONST|JOF_NAME)
OPDEF(JSOP_SETGVAR, 155,"setgvar", NULL, 3, 1, 1, 1, JOF_CONST|JOF_NAME|JOF_SET|JOF_ASSIGNING|JOF_DETECTING)
OPDEF(JSOP_INCGVAR, 156,"incgvar", NULL, 3, 0, 1, 10, JOF_CONST|JOF_NAME|JOF_INC)
OPDEF(JSOP_DECGVAR, 157,"decgvar", NULL, 3, 0, 1, 10, JOF_CONST|JOF_NAME|JOF_DEC)
OPDEF(JSOP_GVARINC, 158,"gvarinc", NULL, 3, 0, 1, 10, JOF_CONST|JOF_NAME|JOF_INC|JOF_POST)
OPDEF(JSOP_GVARDEC, 159,"gvardec", NULL, 3, 0, 1, 10, JOF_CONST|JOF_NAME|JOF_DEC|JOF_POST)
OPDEF(JSOP_GETGVAR, 154,"getgvar", NULL, 3, 0, 1, 18, JOF_CONST|JOF_NAME)
OPDEF(JSOP_SETGVAR, 155,"setgvar", NULL, 3, 1, 1, 3, JOF_CONST|JOF_NAME|JOF_SET|JOF_ASSIGNING|JOF_DETECTING)
OPDEF(JSOP_INCGVAR, 156,"incgvar", NULL, 3, 0, 1, 15, JOF_CONST|JOF_NAME|JOF_INC)
OPDEF(JSOP_DECGVAR, 157,"decgvar", NULL, 3, 0, 1, 15, JOF_CONST|JOF_NAME|JOF_DEC)
OPDEF(JSOP_GVARINC, 158,"gvarinc", NULL, 3, 0, 1, 15, JOF_CONST|JOF_NAME|JOF_INC|JOF_POST)
OPDEF(JSOP_GVARDEC, 159,"gvardec", NULL, 3, 0, 1, 15, JOF_CONST|JOF_NAME|JOF_DEC|JOF_POST)
/* Regular expression literal requiring special "fork on exec" handling. */
OPDEF(JSOP_REGEXP, 160,"regexp", NULL, 3, 0, 1, 13, JOF_CONST)
OPDEF(JSOP_REGEXP, 160,"regexp", NULL, 3, 0, 1, 18, JOF_CONST)
/* XML (ECMA-357, a.k.a. "E4X") support. */
OPDEF(JSOP_DEFXMLNS, 161,"defxmlns", NULL, 1, 1, 0, 0, JOF_BYTE)
OPDEF(JSOP_ANYNAME, 162,"anyname", NULL, 1, 0, 1, 13, JOF_BYTE|JOF_XMLNAME)
OPDEF(JSOP_QNAMEPART, 163,"qnamepart", NULL, 3, 0, 1, 13, JOF_CONST|JOF_XMLNAME)
OPDEF(JSOP_QNAMECONST, 164,"qnameconst", NULL, 3, 1, 1, 13, JOF_CONST|JOF_XMLNAME)
OPDEF(JSOP_ANYNAME, 162,"anyname", NULL, 1, 0, 1, 18, JOF_BYTE|JOF_XMLNAME)
OPDEF(JSOP_QNAMEPART, 163,"qnamepart", NULL, 3, 0, 1, 18, JOF_CONST|JOF_XMLNAME)
OPDEF(JSOP_QNAMECONST, 164,"qnameconst", NULL, 3, 1, 1, 18, JOF_CONST|JOF_XMLNAME)
OPDEF(JSOP_QNAME, 165,"qname", NULL, 1, 2, 1, 0, JOF_BYTE|JOF_XMLNAME)
OPDEF(JSOP_TOATTRNAME, 166,"toattrname", NULL, 1, 1, 1, 13, JOF_BYTE|JOF_XMLNAME)
OPDEF(JSOP_TOATTRVAL, 167,"toattrval", NULL, 1, 1, 1, 13, JOF_BYTE)
OPDEF(JSOP_ADDATTRNAME, 168,"addattrname",NULL, 1, 2, 1, 8, JOF_BYTE)
OPDEF(JSOP_ADDATTRVAL, 169,"addattrval", NULL, 1, 2, 1, 8, JOF_BYTE)
OPDEF(JSOP_TOATTRNAME, 166,"toattrname", NULL, 1, 1, 1, 18, JOF_BYTE|JOF_XMLNAME)
OPDEF(JSOP_TOATTRVAL, 167,"toattrval", NULL, 1, 1, 1, 18, JOF_BYTE)
OPDEF(JSOP_ADDATTRNAME, 168,"addattrname",NULL, 1, 2, 1, 13, JOF_BYTE)
OPDEF(JSOP_ADDATTRVAL, 169,"addattrval", NULL, 1, 2, 1, 13, JOF_BYTE)
OPDEF(JSOP_BINDXMLNAME, 170,"bindxmlname",NULL, 1, 1, 2, 0, JOF_BYTE|JOF_XMLNAME|JOF_SET|JOF_ASSIGNING)
OPDEF(JSOP_SETXMLNAME, 171,"setxmlname", NULL, 1, 3, 1, 1, JOF_BYTE|JOF_XMLNAME|JOF_SET|JOF_ASSIGNING|JOF_DETECTING)
OPDEF(JSOP_XMLNAME, 172,"xmlname", NULL, 1, 1, 1, 13, JOF_BYTE|JOF_XMLNAME)
OPDEF(JSOP_DESCENDANTS, 173,"descendants",NULL, 1, 2, 1, 12, JOF_BYTE)
OPDEF(JSOP_SETXMLNAME, 171,"setxmlname", NULL, 1, 3, 1, 3, JOF_BYTE|JOF_XMLNAME|JOF_SET|JOF_ASSIGNING|JOF_DETECTING)
OPDEF(JSOP_XMLNAME, 172,"xmlname", NULL, 1, 1, 1, 18, JOF_BYTE|JOF_XMLNAME)
OPDEF(JSOP_DESCENDANTS, 173,"descendants",NULL, 1, 2, 1, 17, JOF_BYTE)
OPDEF(JSOP_FILTER, 174,"filter", NULL, 3, 1, 1, 0, JOF_JUMP)
OPDEF(JSOP_ENDFILTER, 175,"endfilter", NULL, 1, 1, 0, 12, JOF_BYTE)
OPDEF(JSOP_TOXML, 176,"toxml", NULL, 1, 1, 1, 13, JOF_BYTE)
OPDEF(JSOP_TOXMLLIST, 177,"toxmllist", NULL, 1, 1, 1, 13, JOF_BYTE)
OPDEF(JSOP_ENDFILTER, 175,"endfilter", NULL, 1, 1, 0, 17, JOF_BYTE)
OPDEF(JSOP_TOXML, 176,"toxml", NULL, 1, 1, 1, 18, JOF_BYTE)
OPDEF(JSOP_TOXMLLIST, 177,"toxmllist", NULL, 1, 1, 1, 18, JOF_BYTE)
OPDEF(JSOP_XMLTAGEXPR, 178,"xmltagexpr", NULL, 1, 1, 1, 0, JOF_BYTE)
OPDEF(JSOP_XMLELTEXPR, 179,"xmleltexpr", NULL, 1, 1, 1, 0, JOF_BYTE)
OPDEF(JSOP_XMLOBJECT, 180,"xmlobject", NULL, 3, 0, 1, 13, JOF_CONST)
OPDEF(JSOP_XMLCDATA, 181,"xmlcdata", NULL, 3, 0, 1, 13, JOF_CONST)
OPDEF(JSOP_XMLCOMMENT, 182,"xmlcomment", NULL, 3, 0, 1, 13, JOF_CONST)
OPDEF(JSOP_XMLPI, 183,"xmlpi", NULL, 3, 1, 1, 13, JOF_CONST)
OPDEF(JSOP_GETMETHOD, 184,"getmethod", NULL, 3, 1, 1, 12, JOF_CONST|JOF_PROP)
OPDEF(JSOP_GETFUNNS, 185,"getfunns", NULL, 1, 0, 1, 13, JOF_BYTE)
OPDEF(JSOP_XMLOBJECT, 180,"xmlobject", NULL, 3, 0, 1, 18, JOF_CONST)
OPDEF(JSOP_XMLCDATA, 181,"xmlcdata", NULL, 3, 0, 1, 18, JOF_CONST)
OPDEF(JSOP_XMLCOMMENT, 182,"xmlcomment", NULL, 3, 0, 1, 18, JOF_CONST)
OPDEF(JSOP_XMLPI, 183,"xmlpi", NULL, 3, 1, 1, 18, JOF_CONST)
OPDEF(JSOP_GETMETHOD, 184,"getmethod", NULL, 3, 1, 1, 17, JOF_CONST|JOF_PROP)
OPDEF(JSOP_GETFUNNS, 185,"getfunns", NULL, 1, 0, 1, 18, JOF_BYTE)
OPDEF(JSOP_FOREACH, 186,"foreach", NULL, 1, 0, 0, 0, JOF_BYTE)
OPDEF(JSOP_DELDESC, 187,"deldesc", NULL, 1, 2, 1, 12, JOF_BYTE |JOF_ELEM|JOF_DEL)
OPDEF(JSOP_DELDESC, 187,"deldesc", NULL, 1, 2, 1, 17, JOF_BYTE |JOF_ELEM|JOF_DEL)
/*
* Opcodes for extended literal addressing, using unsigned 24-bit immediate
@ -382,17 +406,17 @@ OPDEF(JSOP_DELDESC, 187,"deldesc", NULL, 1, 2, 1, 12, JOF_BYTE |
* script->atomMap (JSOP_LITERAL, JSOP_FINDNAME), and ops prefixed by such
* atom index immediates (JSOP_LITOPX). See jsemit.c, EmitAtomIndexOp.
*/
OPDEF(JSOP_UINT24, 188,"uint24", NULL, 4, 0, 1, 11, JOF_UINT24)
OPDEF(JSOP_LITERAL, 189,"literal", NULL, 4, 0, 1, 13, JOF_UINT24)
OPDEF(JSOP_UINT24, 188,"uint24", NULL, 4, 0, 1, 16, JOF_UINT24)
OPDEF(JSOP_LITERAL, 189,"literal", NULL, 4, 0, 1, 18, JOF_UINT24)
OPDEF(JSOP_FINDNAME, 190,"findname", NULL, 4, 0, 2, 0, JOF_UINT24)
OPDEF(JSOP_LITOPX, 191,"litopx", NULL, 5, 0, 0, 13, JOF_LITOPX)
OPDEF(JSOP_LITOPX, 191,"litopx", NULL, 5, 0, 0, 0, JOF_LITOPX)
/*
* Opcodes to help the decompiler deal with XML.
*/
OPDEF(JSOP_STARTXML, 192,"startxml", NULL, 1, 0, 0, 0, JOF_BYTE)
OPDEF(JSOP_STARTXMLEXPR, 193,"startxmlexpr",NULL, 1, 0, 0, 0, JOF_BYTE)
OPDEF(JSOP_SETMETHOD, 194,"setmethod", NULL, 3, 2, 1, 1, JOF_CONST|JOF_PROP)
OPDEF(JSOP_SETMETHOD, 194,"setmethod", NULL, 3, 2, 1, 3, JOF_CONST|JOF_PROP|JOF_SET|JOF_ASSIGNING|JOF_DETECTING)
/*
* Stop interpretation, emitted at end of script to save the threaded bytecode
@ -404,25 +428,25 @@ OPDEF(JSOP_STOP, 195,"stop", NULL, 1, 0, 0, 0, JOF_BYTE)
* Get an extant property or element value, throwing ReferenceError if the
* identified property does not exist.
*/
OPDEF(JSOP_GETXPROP, 196,"getxprop", NULL, 3, 1, 1, 12, JOF_CONST|JOF_PROP)
OPDEF(JSOP_GETXELEM, 197,"getxelem", NULL, 1, 2, 1, 12, JOF_BYTE |JOF_ELEM|JOF_LEFTASSOC)
OPDEF(JSOP_GETXPROP, 196,"getxprop", NULL, 3, 1, 1, 17, JOF_CONST|JOF_PROP)
OPDEF(JSOP_GETXELEM, 197,"getxelem", NULL, 1, 2, 1, 17, JOF_BYTE |JOF_ELEM|JOF_LEFTASSOC)
/*
* Specialized JSOP_TYPEOF to avoid reporting undefined for typeof(0, undef).
*/
OPDEF(JSOP_TYPEOFEXPR, 198,js_typeof_str, NULL, 1, 1, 1, 10, JOF_BYTE|JOF_DETECTING)
OPDEF(JSOP_TYPEOFEXPR, 198,js_typeof_str, NULL, 1, 1, 1, 15, JOF_BYTE|JOF_DETECTING)
/*
* Block-local scope support.
*/
OPDEF(JSOP_ENTERBLOCK, 199,"enterblock", NULL, 3, 0, 0, 0, JOF_CONST)
OPDEF(JSOP_LEAVEBLOCK, 200,"leaveblock", NULL, 3, 0, 0, 0, JOF_UINT16)
OPDEF(JSOP_GETLOCAL, 201,"getlocal", NULL, 3, 0, 1, 13, JOF_LOCAL|JOF_NAME)
OPDEF(JSOP_SETLOCAL, 202,"setlocal", NULL, 3, 1, 1, 1, JOF_LOCAL|JOF_NAME|JOF_SET)
OPDEF(JSOP_INCLOCAL, 203,"inclocal", NULL, 3, 0, 1, 10, JOF_LOCAL|JOF_NAME|JOF_INC)
OPDEF(JSOP_DECLOCAL, 204,"declocal", NULL, 3, 0, 1, 10, JOF_LOCAL|JOF_NAME|JOF_DEC)
OPDEF(JSOP_LOCALINC, 205,"localinc", NULL, 3, 0, 1, 10, JOF_LOCAL|JOF_NAME|JOF_INC|JOF_POST)
OPDEF(JSOP_LOCALDEC, 206,"localdec", NULL, 3, 0, 1, 10, JOF_LOCAL|JOF_NAME|JOF_DEC|JOF_POST)
OPDEF(JSOP_GETLOCAL, 201,"getlocal", NULL, 3, 0, 1, 18, JOF_LOCAL|JOF_NAME)
OPDEF(JSOP_SETLOCAL, 202,"setlocal", NULL, 3, 1, 1, 3, JOF_LOCAL|JOF_NAME|JOF_SET)
OPDEF(JSOP_INCLOCAL, 203,"inclocal", NULL, 3, 0, 1, 15, JOF_LOCAL|JOF_NAME|JOF_INC)
OPDEF(JSOP_DECLOCAL, 204,"declocal", NULL, 3, 0, 1, 15, JOF_LOCAL|JOF_NAME|JOF_DEC)
OPDEF(JSOP_LOCALINC, 205,"localinc", NULL, 3, 0, 1, 15, JOF_LOCAL|JOF_NAME|JOF_INC|JOF_POST)
OPDEF(JSOP_LOCALDEC, 206,"localdec", NULL, 3, 0, 1, 15, JOF_LOCAL|JOF_NAME|JOF_DEC|JOF_POST)
OPDEF(JSOP_FORLOCAL, 207,"forlocal", NULL, 3, 0, 1, 0, JOF_LOCAL|JOF_NAME|JOF_FOR)
/*
@ -439,10 +463,10 @@ OPDEF(JSOP_FOREACHKEYVAL, 213,"foreachkeyval",NULL, 1, 0, 0, 0, JOF_BYTE)
/*
* Variant of JSOP_ENUMELEM for destructuring const (const [a, b] = ...).
*/
OPDEF(JSOP_ENUMCONSTELEM, 214,"enumconstelem",NULL, 1, 3, 0, 1, JOF_BYTE|JOF_SET|JOF_ASSIGNING)
OPDEF(JSOP_ENUMCONSTELEM, 214,"enumconstelem",NULL, 1, 3, 0, 3, JOF_BYTE|JOF_SET|JOF_ASSIGNING)
/*
* LEAVEBLOCKEXPR's precedence is 1 to help the decompiler with new let (...)
* expressions. See bug 349499.
* Variant of JSOP_LEAVEBLOCK has a result on the stack above the locals,
* which must be moved down when the block pops.
*/
OPDEF(JSOP_LEAVEBLOCKEXPR,215,"leaveblockexpr",NULL, 3, 0, 0, 1, JOF_UINT16)