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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- |
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* vim: set ts=8 sw=4 et tw=0 ft=c: |
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* |
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* ***** BEGIN LICENSE BLOCK ***** |
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1 |
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* |
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* The contents of this file are subject to the Mozilla Public License Version |
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* 1.1 (the "License"); you may not use this file except in compliance with |
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* the License. You may obtain a copy of the License at |
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* http://www.mozilla.org/MPL/ |
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* |
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* Software distributed under the License is distributed on an "AS IS" basis, |
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License |
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* for the specific language governing rights and limitations under the |
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* License. |
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* |
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* The Original Code is Mozilla Communicator client code, released |
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* March 31, 1998. |
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* |
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* The Initial Developer of the Original Code is |
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* Netscape Communications Corporation. |
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* Portions created by the Initial Developer are Copyright (C) 1998 |
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* the Initial Developer. All Rights Reserved. |
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* |
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* Contributor(s): |
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* |
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* Alternatively, the contents of this file may be used under the terms of |
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* either of the GNU General Public License Version 2 or later (the "GPL"), |
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), |
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* in which case the provisions of the GPL or the LGPL are applicable instead |
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* of those above. If you wish to allow use of your version of this file only |
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* under the terms of either the GPL or the LGPL, and not to allow others to |
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* use your version of this file under the terms of the MPL, indicate your |
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* decision by deleting the provisions above and replace them with the notice |
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* and other provisions required by the GPL or the LGPL. If you do not delete |
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* the provisions above, a recipient may use your version of this file under |
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* the terms of any one of the MPL, the GPL or the LGPL. |
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* |
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* ***** END LICENSE BLOCK ***** */ |
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|
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/* |
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* JavaScript operation bytecodes. If you need to allocate a bytecode, look |
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* for a name of the form JSOP_UNUSED* and claim it. Otherwise, always add at |
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* the end of the table. |
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* |
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* Includers must define an OPDEF macro of the following form: |
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* |
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* #define OPDEF(op,val,name,image,length,nuses,ndefs,prec,format) ... |
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* |
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* Selected arguments can be expanded in initializers. The op argument is |
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* expanded followed by comma in the JSOp enum (jsopcode.h), e.g. The value |
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* field must be dense for now, because jsopcode.c uses an OPDEF() expansion |
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* inside the js_CodeSpec[] initializer. |
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* |
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* Field Description |
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* op Bytecode name, which is the JSOp enumerator name |
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* value Bytecode value, which is the JSOp enumerator value |
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* name C string containing name for disassembler |
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* image C string containing "image" for pretty-printer, null if ugly |
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* length Number of bytes including any immediate operands |
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* nuses Number of stack slots consumed by bytecode, -1 if variadic |
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* ndefs Number of stack slots produced by bytecode, -1 if variadic |
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* prec Operator precedence, zero if not an operator |
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* format Bytecode plus immediate operand encoding format |
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* |
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* Precedence Operators Opcodes |
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* 1 yield w JSOP_YIELD |
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* 2 , JSOP_POP with SRC_PCDELTA, JSOP_RETURN |
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* 3 =, +=, etc. JSOP_SETNAME, etc. (all JOF_SET); |
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* let (...) ... and JSOP_LEAVEBLOCKEXPR |
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* 4 ?: JSOP_IFEQ, JSOP_IFEQX |
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* 5 || JSOP_OR, JSOP_ORX |
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* 6 && JSOP_AND, JSOP_ANDX |
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* 7 | JSOP_BITOR |
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* 8 ^ JSOP_BITXOR |
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* 9 & JSOP_BITAND |
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* 10 ==, !=, etc. JSOP_EQ, JSOP_NE, etc. |
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* 11 <, in, etc. JSOP_LT, JSOP_IN, etc. |
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* 12 <<, >>, >>> JSOP_LSH, JSOP_RSH, JSOP_URSH |
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* 13 +, -, etc. JSOP_ADD, JSOP_SUB, etc. |
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* 14 *, /, % JSOP_MUL, JSOP_DIV, JSOP_MOD |
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* 15 !, ~, delete, etc. JSOP_NOT, JSOP_BITNOT, JSOP_DEL*, etc. |
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* 16 3.14, 0, etc. JSOP_DOUBLE, JSOP_ZERO, etc. |
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* 17 new JSOP_NEW |
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* 18 x.y, f(), etc. JSOP_GETPROP, JSOP_CALL, etc. |
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* 19 x, null, JSOP_NAME, JSOP_NULL, etc.; |
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* function (...) ... and JSOP_LAMBDA |
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* |
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* The push-numeric-constant operators, JSOP_ZERO, JSOP_DOUBLE, etc., have |
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* lower precedence than the member operators emitted for the . operator, to |
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* cause the decompiler to parenthesize the . left operand, e.g. (0).foo. |
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* Otherwise the . could be taken as a decimal point. |
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* |
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* Let expressions are "primary" when viewed from the left, but they eat up ops |
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* to the right as if assignment expressions and therefore have precedence 3. |
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* This makes the decompiler retain the parentheses in (let (a=0) x) ? a : 0 |
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* but omit the superfluous ones in (let (a=0) x), a. |
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* |
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* Yield expressions must be parenthesized even in comma-expressions and |
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* argument lists, so they have the lowest precedence. |
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* |
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* This file is best viewed with 128 columns: |
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12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678 |
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*/ |
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|
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/* legend: op val name image len use def prec format */ |
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|
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/* |
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* Generic nop for the decompiler. |
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*/ |
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OPDEF(JSOP_NOP, 0, "nop", NULL, 1, 0, 0, 0, JOF_BYTE) |
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|
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/* Long-standing JavaScript bytecodes. */ |
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OPDEF(JSOP_PUSH, 1, "push", NULL, 1, 0, 1, 0, JOF_BYTE) |
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OPDEF(JSOP_POPV, 2, "popv", NULL, 1, 1, 0, 2, JOF_BYTE) |
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OPDEF(JSOP_ENTERWITH, 3, "enterwith", NULL, 1, 1, 1, 0, JOF_BYTE|JOF_PARENHEAD) |
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OPDEF(JSOP_LEAVEWITH, 4, "leavewith", NULL, 1, 1, 0, 0, JOF_BYTE) |
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OPDEF(JSOP_RETURN, 5, "return", NULL, 1, 1, 0, 2, JOF_BYTE) |
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OPDEF(JSOP_GOTO, 6, "goto", NULL, 3, 0, 0, 0, JOF_JUMP) |
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OPDEF(JSOP_IFEQ, 7, "ifeq", NULL, 3, 1, 0, 4, JOF_JUMP|JOF_DETECTING) |
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OPDEF(JSOP_IFNE, 8, "ifne", NULL, 3, 1, 0, 0, JOF_JUMP|JOF_PARENHEAD) |
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|
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/* Get the arguments object for the current, lightweight function activation. */ |
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OPDEF(JSOP_ARGUMENTS, 9, js_arguments_str, js_arguments_str, 1, 0, 1, 18, JOF_BYTE) |
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|
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/* ECMA-compliant for-in loop with argument or local loop control. */ |
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OPDEF(JSOP_FORARG, 10, "forarg", NULL, 3, 2, 2, 19, JOF_QARG|JOF_NAME|JOF_FOR) |
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OPDEF(JSOP_FORLOCAL, 11, "forlocal", NULL, 3, 2, 2, 19, JOF_LOCAL|JOF_NAME|JOF_FOR) |
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|
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/* More long-standing bytecodes. */ |
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OPDEF(JSOP_DUP, 12, "dup", NULL, 1, 1, 2, 0, JOF_BYTE) |
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OPDEF(JSOP_DUP2, 13, "dup2", NULL, 1, 2, 4, 0, JOF_BYTE) |
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OPDEF(JSOP_SETCONST, 14, "setconst", NULL, 3, 1, 1, 3, JOF_ATOM|JOF_NAME|JOF_SET) |
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OPDEF(JSOP_BITOR, 15, "bitor", "|", 1, 2, 1, 7, JOF_BYTE|JOF_LEFTASSOC) |
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OPDEF(JSOP_BITXOR, 16, "bitxor", "^", 1, 2, 1, 8, JOF_BYTE|JOF_LEFTASSOC) |
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OPDEF(JSOP_BITAND, 17, "bitand", "&", 1, 2, 1, 9, JOF_BYTE|JOF_LEFTASSOC) |
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OPDEF(JSOP_EQ, 18, "eq", "==", 1, 2, 1, 10, JOF_BYTE|JOF_LEFTASSOC|JOF_DETECTING) |
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OPDEF(JSOP_NE, 19, "ne", "!=", 1, 2, 1, 10, JOF_BYTE|JOF_LEFTASSOC|JOF_DETECTING) |
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OPDEF(JSOP_LT, 20, "lt", "<", 1, 2, 1, 11, JOF_BYTE|JOF_LEFTASSOC) |
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OPDEF(JSOP_LE, 21, "le", "<=", 1, 2, 1, 11, JOF_BYTE|JOF_LEFTASSOC) |
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OPDEF(JSOP_GT, 22, "gt", ">", 1, 2, 1, 11, JOF_BYTE|JOF_LEFTASSOC) |
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OPDEF(JSOP_GE, 23, "ge", ">=", 1, 2, 1, 11, JOF_BYTE|JOF_LEFTASSOC) |
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OPDEF(JSOP_LSH, 24, "lsh", "<<", 1, 2, 1, 12, JOF_BYTE|JOF_LEFTASSOC) |
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OPDEF(JSOP_RSH, 25, "rsh", ">>", 1, 2, 1, 12, JOF_BYTE|JOF_LEFTASSOC) |
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OPDEF(JSOP_URSH, 26, "ursh", ">>>", 1, 2, 1, 12, JOF_BYTE|JOF_LEFTASSOC) |
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OPDEF(JSOP_ADD, 27, "add", "+", 1, 2, 1, 13, JOF_BYTE|JOF_LEFTASSOC) |
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OPDEF(JSOP_SUB, 28, "sub", "-", 1, 2, 1, 13, JOF_BYTE|JOF_LEFTASSOC) |
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OPDEF(JSOP_MUL, 29, "mul", "*", 1, 2, 1, 14, JOF_BYTE|JOF_LEFTASSOC) |
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OPDEF(JSOP_DIV, 30, "div", "/", 1, 2, 1, 14, JOF_BYTE|JOF_LEFTASSOC) |
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OPDEF(JSOP_MOD, 31, "mod", "%", 1, 2, 1, 14, JOF_BYTE|JOF_LEFTASSOC) |
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OPDEF(JSOP_NOT, 32, "not", "!", 1, 1, 1, 15, JOF_BYTE|JOF_DETECTING) |
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OPDEF(JSOP_BITNOT, 33, "bitnot", "~", 1, 1, 1, 15, JOF_BYTE) |
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OPDEF(JSOP_NEG, 34, "neg", "- ", 1, 1, 1, 15, JOF_BYTE) |
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OPDEF(JSOP_POS, 35, "pos", "+ ", 1, 1, 1, 15, JOF_BYTE) |
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OPDEF(JSOP_DELNAME, 36, "delname", NULL, 3, 0, 1, 15, JOF_ATOM|JOF_NAME|JOF_DEL) |
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OPDEF(JSOP_DELPROP, 37, "delprop", NULL, 3, 1, 1, 15, JOF_ATOM|JOF_PROP|JOF_DEL) |
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OPDEF(JSOP_DELELEM, 38, "delelem", NULL, 1, 2, 1, 15, JOF_BYTE |JOF_ELEM|JOF_DEL) |
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OPDEF(JSOP_TYPEOF, 39, js_typeof_str,NULL, 1, 1, 1, 15, JOF_BYTE|JOF_DETECTING) |
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OPDEF(JSOP_VOID, 40, js_void_str, NULL, 1, 1, 1, 15, JOF_BYTE) |
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|
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OPDEF(JSOP_INCNAME, 41, "incname", NULL, 3, 0, 1, 15, JOF_ATOM|JOF_NAME|JOF_INC|JOF_TMPSLOT2) |
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OPDEF(JSOP_INCPROP, 42, "incprop", NULL, 3, 1, 1, 15, JOF_ATOM|JOF_PROP|JOF_INC|JOF_TMPSLOT2) |
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OPDEF(JSOP_INCELEM, 43, "incelem", NULL, 1, 2, 1, 15, JOF_BYTE |JOF_ELEM|JOF_INC|JOF_TMPSLOT2) |
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OPDEF(JSOP_DECNAME, 44, "decname", NULL, 3, 0, 1, 15, JOF_ATOM|JOF_NAME|JOF_DEC|JOF_TMPSLOT2) |
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OPDEF(JSOP_DECPROP, 45, "decprop", NULL, 3, 1, 1, 15, JOF_ATOM|JOF_PROP|JOF_DEC|JOF_TMPSLOT2) |
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OPDEF(JSOP_DECELEM, 46, "decelem", NULL, 1, 2, 1, 15, JOF_BYTE |JOF_ELEM|JOF_DEC|JOF_TMPSLOT2) |
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OPDEF(JSOP_NAMEINC, 47, "nameinc", NULL, 3, 0, 1, 15, JOF_ATOM|JOF_NAME|JOF_INC|JOF_POST|JOF_TMPSLOT2) |
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OPDEF(JSOP_PROPINC, 48, "propinc", NULL, 3, 1, 1, 15, JOF_ATOM|JOF_PROP|JOF_INC|JOF_POST|JOF_TMPSLOT2) |
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OPDEF(JSOP_ELEMINC, 49, "eleminc", NULL, 1, 2, 1, 15, JOF_BYTE |JOF_ELEM|JOF_INC|JOF_POST|JOF_TMPSLOT2) |
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OPDEF(JSOP_NAMEDEC, 50, "namedec", NULL, 3, 0, 1, 15, JOF_ATOM|JOF_NAME|JOF_DEC|JOF_POST|JOF_TMPSLOT2) |
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OPDEF(JSOP_PROPDEC, 51, "propdec", NULL, 3, 1, 1, 15, JOF_ATOM|JOF_PROP|JOF_DEC|JOF_POST|JOF_TMPSLOT2) |
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OPDEF(JSOP_ELEMDEC, 52, "elemdec", NULL, 1, 2, 1, 15, JOF_BYTE |JOF_ELEM|JOF_DEC|JOF_POST|JOF_TMPSLOT2) |
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|
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OPDEF(JSOP_GETPROP, 53, "getprop", NULL, 3, 1, 1, 18, JOF_ATOM|JOF_PROP) |
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OPDEF(JSOP_SETPROP, 54, "setprop", NULL, 3, 2, 1, 3, JOF_ATOM|JOF_PROP|JOF_SET|JOF_DETECTING) |
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OPDEF(JSOP_GETELEM, 55, "getelem", NULL, 1, 2, 1, 18, JOF_BYTE |JOF_ELEM|JOF_LEFTASSOC) |
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OPDEF(JSOP_SETELEM, 56, "setelem", NULL, 1, 3, 1, 3, JOF_BYTE |JOF_ELEM|JOF_SET|JOF_DETECTING) |
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OPDEF(JSOP_CALLNAME, 57, "callname", NULL, 3, 0, 2, 19, JOF_ATOM|JOF_NAME|JOF_CALLOP) |
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OPDEF(JSOP_CALL, 58, "call", NULL, 3, -1, 1, 18, JOF_UINT16|JOF_INVOKE) |
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OPDEF(JSOP_NAME, 59, "name", NULL, 3, 0, 1, 19, JOF_ATOM|JOF_NAME) |
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OPDEF(JSOP_DOUBLE, 60, "double", NULL, 3, 0, 1, 16, JOF_ATOM) |
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OPDEF(JSOP_STRING, 61, "string", NULL, 3, 0, 1, 19, JOF_ATOM) |
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OPDEF(JSOP_ZERO, 62, "zero", "0", 1, 0, 1, 16, JOF_BYTE) |
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OPDEF(JSOP_ONE, 63, "one", "1", 1, 0, 1, 16, JOF_BYTE) |
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OPDEF(JSOP_NULL, 64, js_null_str, js_null_str, 1, 0, 1, 19, JOF_BYTE) |
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OPDEF(JSOP_THIS, 65, js_this_str, js_this_str, 1, 0, 1, 19, JOF_BYTE) |
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OPDEF(JSOP_FALSE, 66, js_false_str, js_false_str, 1, 0, 1, 19, JOF_BYTE) |
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OPDEF(JSOP_TRUE, 67, js_true_str, js_true_str, 1, 0, 1, 19, JOF_BYTE) |
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OPDEF(JSOP_OR, 68, "or", NULL, 3, 1, 0, 5, JOF_JUMP|JOF_DETECTING|JOF_LEFTASSOC) |
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OPDEF(JSOP_AND, 69, "and", NULL, 3, 1, 0, 6, JOF_JUMP|JOF_DETECTING|JOF_LEFTASSOC) |
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|
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/* The switch bytecodes have variable length. */ |
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OPDEF(JSOP_TABLESWITCH, 70, "tableswitch", NULL, -1, 1, 0, 0, JOF_TABLESWITCH|JOF_DETECTING|JOF_PARENHEAD) |
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OPDEF(JSOP_LOOKUPSWITCH, 71, "lookupswitch", NULL, -1, 1, 0, 0, JOF_LOOKUPSWITCH|JOF_DETECTING|JOF_PARENHEAD) |
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|
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/* New, infallible/transitive identity ops. */ |
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OPDEF(JSOP_STRICTEQ, 72, "stricteq", "===", 1, 2, 1, 10, JOF_BYTE|JOF_DETECTING|JOF_LEFTASSOC) |
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OPDEF(JSOP_STRICTNE, 73, "strictne", "!==", 1, 2, 1, 10, JOF_BYTE|JOF_DETECTING|JOF_LEFTASSOC) |
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|
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/* |
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* Host object extension: given 'o.item(i) = j', the left-hand side compiles |
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* JSOP_SETCALL, rather than JSOP_CALL. |
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*/ |
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OPDEF(JSOP_SETCALL, 74, "setcall", NULL, 3, -1, 2, 18, JOF_UINT16|JOF_SET) |
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|
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/* |
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* JSOP_ITER sets up a for-in or for-each-in loop using the JSITER_* flag bits |
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* in this op's uint8 immediate operand. It replaces the top of stack object |
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* with an iterator for that object, and pushes a slot used by JSOP_NEXTITER. |
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* |
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* JSOP_NEXTITER stores the next iterated value in the top of stack slot which |
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* was allocated by JSOP_ITER and pushes true, or stores JSVAL_HOLE and pushes |
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* false. It is followed immediately by JSOP_IFNE{,X}. |
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* |
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* JSOP_ENDITER cleans up after the loop. It uses the slot above the iterator |
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* for temporary GC rooting. |
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*/ |
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OPDEF(JSOP_ITER, 75, "iter", NULL, 2, 1, 2, 0, JOF_UINT8) |
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OPDEF(JSOP_NEXTITER, 76, "nextiter", NULL, 1, 2, 3, 0, JOF_BYTE) |
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OPDEF(JSOP_ENDITER, 77, "enditer", NULL, 1, 2, 0, 0, JOF_BYTE) |
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|
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OPDEF(JSOP_APPLY, 78, "apply", NULL, 3, -1, 1, 18, JOF_UINT16|JOF_INVOKE) |
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OPDEF(JSOP_SWAP, 79, "swap", NULL, 1, 2, 2, 0, JOF_BYTE) |
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|
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/* Push object literal. */ |
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OPDEF(JSOP_OBJECT, 80, "object", NULL, 3, 0, 1, 19, JOF_OBJECT) |
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|
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/* Pop value and discard it. */ |
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OPDEF(JSOP_POP, 81, "pop", NULL, 1, 1, 0, 2, JOF_BYTE) |
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|
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/* Convert value to number, for unary +. */ |
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OPDEF(JSOP_NEW, 82, js_new_str, NULL, 3, -1, 1, 17, JOF_UINT16|JOF_INVOKE) |
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|
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/* Trap into debugger for breakpoint, etc. */ |
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OPDEF(JSOP_TRAP, 83, "trap", NULL, 1, 0, 0, 0, JOF_BYTE) |
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|
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/* Fast get/set ops for function arguments and local variables. */ |
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OPDEF(JSOP_GETARG, 84, "getarg", NULL, 3, 0, 1, 19, JOF_QARG |JOF_NAME) |
| 239 |
OPDEF(JSOP_SETARG, 85, "setarg", NULL, 3, 1, 1, 3, JOF_QARG |JOF_NAME|JOF_SET) |
| 240 |
OPDEF(JSOP_GETLOCAL, 86,"getlocal", NULL, 3, 0, 1, 19, JOF_LOCAL|JOF_NAME) |
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OPDEF(JSOP_SETLOCAL, 87,"setlocal", NULL, 3, 1, 1, 3, JOF_LOCAL|JOF_NAME|JOF_SET|JOF_DETECTING) |
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|
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/* Push unsigned 16-bit int constant. */ |
| 244 |
OPDEF(JSOP_UINT16, 88, "uint16", NULL, 3, 0, 1, 16, JOF_UINT16) |
| 245 |
|
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/* Object and array literal support. */ |
| 247 |
OPDEF(JSOP_NEWINIT, 89, "newinit", NULL, 2, 0, 1, 19, JOF_INT8) |
| 248 |
OPDEF(JSOP_ENDINIT, 90, "endinit", NULL, 1, 0, 0, 19, JOF_BYTE) |
| 249 |
OPDEF(JSOP_INITPROP, 91, "initprop", NULL, 3, 1, 0, 3, JOF_ATOM|JOF_PROP|JOF_SET|JOF_DETECTING) |
| 250 |
OPDEF(JSOP_INITELEM, 92, "initelem", NULL, 1, 2, 0, 3, JOF_BYTE |JOF_ELEM|JOF_SET|JOF_DETECTING) |
| 251 |
OPDEF(JSOP_DEFSHARP, 93, "defsharp", NULL, 3, 0, 0, 0, JOF_UINT16) |
| 252 |
OPDEF(JSOP_USESHARP, 94, "usesharp", NULL, 3, 0, 1, 0, JOF_UINT16) |
| 253 |
|
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/* Fast inc/dec ops for args and locals. */ |
| 255 |
OPDEF(JSOP_INCARG, 95, "incarg", NULL, 3, 0, 1, 15, JOF_QARG |JOF_NAME|JOF_INC) |
| 256 |
OPDEF(JSOP_DECARG, 96, "decarg", NULL, 3, 0, 1, 15, JOF_QARG |JOF_NAME|JOF_DEC) |
| 257 |
OPDEF(JSOP_ARGINC, 97, "arginc", NULL, 3, 0, 1, 15, JOF_QARG |JOF_NAME|JOF_INC|JOF_POST) |
| 258 |
OPDEF(JSOP_ARGDEC, 98, "argdec", NULL, 3, 0, 1, 15, JOF_QARG |JOF_NAME|JOF_DEC|JOF_POST) |
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|
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OPDEF(JSOP_INCLOCAL, 99, "inclocal", NULL, 3, 0, 1, 15, JOF_LOCAL|JOF_NAME|JOF_INC) |
| 261 |
OPDEF(JSOP_DECLOCAL, 100,"declocal", NULL, 3, 0, 1, 15, JOF_LOCAL|JOF_NAME|JOF_DEC) |
| 262 |
OPDEF(JSOP_LOCALINC, 101,"localinc", NULL, 3, 0, 1, 15, JOF_LOCAL|JOF_NAME|JOF_INC|JOF_POST) |
| 263 |
OPDEF(JSOP_LOCALDEC, 102,"localdec", NULL, 3, 0, 1, 15, JOF_LOCAL|JOF_NAME|JOF_DEC|JOF_POST) |
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|
| 265 |
OPDEF(JSOP_IMACOP, 103,"imacop", NULL, 1, 0, 0, 0, JOF_BYTE) |
| 266 |
|
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/* ECMA-compliant for/in ops. */ |
| 268 |
OPDEF(JSOP_FORNAME, 104,"forname", NULL, 3, 2, 2, 19, JOF_ATOM|JOF_NAME|JOF_FOR) |
| 269 |
OPDEF(JSOP_FORPROP, 105,"forprop", NULL, 3, 3, 2, 18, JOF_ATOM|JOF_PROP|JOF_FOR) |
| 270 |
OPDEF(JSOP_FORELEM, 106,"forelem", NULL, 1, 2, 3, 18, JOF_BYTE |JOF_ELEM|JOF_FOR) |
| 271 |
OPDEF(JSOP_POPN, 107,"popn", NULL, 3, -1, 0, 0, JOF_UINT16) |
| 272 |
|
| 273 |
/* ECMA-compliant assignment ops. */ |
| 274 |
OPDEF(JSOP_BINDNAME, 108,"bindname", NULL, 3, 0, 1, 0, JOF_ATOM|JOF_NAME|JOF_SET) |
| 275 |
OPDEF(JSOP_SETNAME, 109,"setname", NULL, 3, 2, 1, 3, JOF_ATOM|JOF_NAME|JOF_SET|JOF_DETECTING) |
| 276 |
|
| 277 |
/* Exception handling ops. */ |
| 278 |
OPDEF(JSOP_THROW, 110,js_throw_str, NULL, 1, 1, 0, 0, JOF_BYTE) |
| 279 |
|
| 280 |
/* 'in' and 'instanceof' ops. */ |
| 281 |
OPDEF(JSOP_IN, 111,js_in_str, js_in_str, 1, 2, 1, 11, JOF_BYTE|JOF_LEFTASSOC) |
| 282 |
OPDEF(JSOP_INSTANCEOF,112,js_instanceof_str,js_instanceof_str,1,2,1,11,JOF_BYTE|JOF_LEFTASSOC) |
| 283 |
|
| 284 |
/* debugger op */ |
| 285 |
OPDEF(JSOP_DEBUGGER, 113,"debugger", NULL, 1, 0, 0, 0, JOF_BYTE) |
| 286 |
|
| 287 |
/* gosub/retsub for finally handling */ |
| 288 |
OPDEF(JSOP_GOSUB, 114,"gosub", NULL, 3, 0, 0, 0, JOF_JUMP) |
| 289 |
OPDEF(JSOP_RETSUB, 115,"retsub", NULL, 1, 2, 0, 0, JOF_BYTE) |
| 290 |
|
| 291 |
/* More exception handling ops. */ |
| 292 |
OPDEF(JSOP_EXCEPTION, 116,"exception", NULL, 1, 0, 1, 0, JOF_BYTE) |
| 293 |
|
| 294 |
/* Embedded lineno to speedup pc->line mapping. */ |
| 295 |
OPDEF(JSOP_LINENO, 117,"lineno", NULL, 3, 0, 0, 0, JOF_UINT16) |
| 296 |
|
| 297 |
/* |
| 298 |
* ECMA-compliant switch statement ops. |
| 299 |
* CONDSWITCH is a decompilable NOP; CASE is ===, POP, jump if true, re-push |
| 300 |
* lval if false; and DEFAULT is POP lval and GOTO. |
| 301 |
*/ |
| 302 |
OPDEF(JSOP_CONDSWITCH,118,"condswitch", NULL, 1, 0, 0, 0, JOF_BYTE|JOF_PARENHEAD) |
| 303 |
OPDEF(JSOP_CASE, 119,"case", NULL, 3, 2, 1, 0, JOF_JUMP) |
| 304 |
OPDEF(JSOP_DEFAULT, 120,"default", NULL, 3, 1, 0, 0, JOF_JUMP) |
| 305 |
|
| 306 |
/* |
| 307 |
* ECMA-compliant call to eval op |
| 308 |
*/ |
| 309 |
OPDEF(JSOP_EVAL, 121,"eval", NULL, 3, -1, 1, 18, JOF_UINT16|JOF_INVOKE) |
| 310 |
|
| 311 |
/* |
| 312 |
* ECMA-compliant helper for 'for (x[i] in o)' loops. |
| 313 |
*/ |
| 314 |
OPDEF(JSOP_ENUMELEM, 122,"enumelem", NULL, 1, 3, 0, 3, JOF_BYTE |JOF_SET) |
| 315 |
|
| 316 |
/* |
| 317 |
* Getter and setter prefix bytecodes. These modify the next bytecode, either |
| 318 |
* an assignment or a property initializer code, which then defines a property |
| 319 |
* getter or setter. |
| 320 |
*/ |
| 321 |
OPDEF(JSOP_GETTER, 123,js_getter_str,NULL, 1, 0, 0, 0, JOF_BYTE) |
| 322 |
OPDEF(JSOP_SETTER, 124,js_setter_str,NULL, 1, 0, 0, 0, JOF_BYTE) |
| 323 |
|
| 324 |
/* |
| 325 |
* Prolog bytecodes for defining function, var, and const names. |
| 326 |
*/ |
| 327 |
OPDEF(JSOP_DEFFUN, 125,"deffun", NULL, 3, 0, 0, 0, JOF_OBJECT|JOF_DECLARING) |
| 328 |
OPDEF(JSOP_DEFCONST, 126,"defconst", NULL, 3, 0, 0, 0, JOF_ATOM|JOF_DECLARING) |
| 329 |
OPDEF(JSOP_DEFVAR, 127,"defvar", NULL, 3, 0, 0, 0, JOF_ATOM|JOF_DECLARING) |
| 330 |
|
| 331 |
/* Push a closure for a named or anonymous function expression. */ |
| 332 |
OPDEF(JSOP_LAMBDA, 128, "lambda", NULL, 3, 0, 1, 19, JOF_OBJECT) |
| 333 |
|
| 334 |
/* Used for named function expression self-naming, if lightweight. */ |
| 335 |
OPDEF(JSOP_CALLEE, 129, "callee", NULL, 1, 0, 1, 19, JOF_BYTE) |
| 336 |
|
| 337 |
/* |
| 338 |
* Like JSOP_SETLOCAL, but specialized to avoid requiring JSOP_POP immediately |
| 339 |
* after to throw away the exception value. |
| 340 |
*/ |
| 341 |
OPDEF(JSOP_SETLOCALPOP, 130, "setlocalpop", NULL, 3, 1, 0, 3, JOF_LOCAL|JOF_NAME|JOF_SET) |
| 342 |
|
| 343 |
/* Pick an element from the stack. */ |
| 344 |
OPDEF(JSOP_PICK, 131, "pick", NULL, 2, 0, 0, 0, JOF_UINT8) |
| 345 |
|
| 346 |
/* |
| 347 |
* Exception handling no-op, for more economical byte-coding than SRC_TRYFIN |
| 348 |
* srcnote-annotated JSOP_NOPs and to simply stack balance handling. |
| 349 |
*/ |
| 350 |
OPDEF(JSOP_TRY, 132,"try", NULL, 1, 0, 0, 0, JOF_BYTE) |
| 351 |
OPDEF(JSOP_FINALLY, 133,"finally", NULL, 1, 0, 2, 0, JOF_BYTE) |
| 352 |
|
| 353 |
/* |
| 354 |
* Get a dynamic slot from an object known to have at least one greater than |
| 355 |
* the slot index number of values at obj->dslots. The CALL variant computes |
| 356 |
* the callee and this-object in preparation for a JSOP_CALL. |
| 357 |
*/ |
| 358 |
OPDEF(JSOP_GETDSLOT, 134,"getdslot", NULL, 3, 0, 1, 19, JOF_UINT16|JOF_NAME) |
| 359 |
OPDEF(JSOP_CALLDSLOT, 135,"calldslot", NULL, 3, 0, 2, 19, JOF_UINT16|JOF_NAME|JOF_CALLOP) |
| 360 |
|
| 361 |
/* |
| 362 |
* Bytecodes that avoid making an arguments object in most cases: |
| 363 |
* JSOP_ARGSUB gets arguments[i] from fp->argv, iff i is in [0, fp->argc-1]. |
| 364 |
* JSOP_ARGCNT returns fp->argc. |
| 365 |
*/ |
| 366 |
OPDEF(JSOP_ARGSUB, 136,"argsub", NULL, 3, 0, 1, 18, JOF_QARG |JOF_NAME) |
| 367 |
OPDEF(JSOP_ARGCNT, 137,"argcnt", NULL, 1, 0, 1, 18, JOF_BYTE) |
| 368 |
|
| 369 |
/* |
| 370 |
* Define a local function object as a local variable. |
| 371 |
* The local variable's slot number is the first immediate two-byte operand. |
| 372 |
* The function object's atom index is the second immediate operand. |
| 373 |
*/ |
| 374 |
OPDEF(JSOP_DEFLOCALFUN, 138,"deflocalfun",NULL, 5, 0, 0, 0, JOF_SLOTOBJECT|JOF_DECLARING) |
| 375 |
|
| 376 |
/* Extended jumps. */ |
| 377 |
OPDEF(JSOP_GOTOX, 139,"gotox", NULL, 5, 0, 0, 0, JOF_JUMPX) |
| 378 |
OPDEF(JSOP_IFEQX, 140,"ifeqx", NULL, 5, 1, 0, 4, JOF_JUMPX|JOF_DETECTING) |
| 379 |
OPDEF(JSOP_IFNEX, 141,"ifnex", NULL, 5, 1, 0, 0, JOF_JUMPX|JOF_PARENHEAD) |
| 380 |
OPDEF(JSOP_ORX, 142,"orx", NULL, 5, 1, 0, 5, JOF_JUMPX|JOF_DETECTING) |
| 381 |
OPDEF(JSOP_ANDX, 143,"andx", NULL, 5, 1, 0, 6, JOF_JUMPX|JOF_DETECTING) |
| 382 |
OPDEF(JSOP_GOSUBX, 144,"gosubx", NULL, 5, 0, 0, 0, JOF_JUMPX) |
| 383 |
OPDEF(JSOP_CASEX, 145,"casex", NULL, 5, 2, 1, 0, JOF_JUMPX) |
| 384 |
OPDEF(JSOP_DEFAULTX, 146,"defaultx", NULL, 5, 1, 0, 0, JOF_JUMPX) |
| 385 |
OPDEF(JSOP_TABLESWITCHX, 147,"tableswitchx",NULL, -1, 1, 0, 0, JOF_TABLESWITCHX|JOF_DETECTING|JOF_PARENHEAD) |
| 386 |
OPDEF(JSOP_LOOKUPSWITCHX, 148,"lookupswitchx",NULL, -1, 1, 0, 0, JOF_LOOKUPSWITCHX|JOF_DETECTING|JOF_PARENHEAD) |
| 387 |
|
| 388 |
/* Placeholders for a real jump opcode set during backpatch chain fixup. */ |
| 389 |
OPDEF(JSOP_BACKPATCH, 149,"backpatch",NULL, 3, 0, 0, 0, JOF_JUMP|JOF_BACKPATCH) |
| 390 |
OPDEF(JSOP_BACKPATCH_POP, 150,"backpatch_pop",NULL, 3, 1, 0, 0, JOF_JUMP|JOF_BACKPATCH) |
| 391 |
|
| 392 |
/* Set pending exception from the stack, to trigger rethrow. */ |
| 393 |
OPDEF(JSOP_THROWING, 151,"throwing", NULL, 1, 1, 0, 0, JOF_BYTE) |
| 394 |
|
| 395 |
/* Set and get return value pseudo-register in stack frame. */ |
| 396 |
OPDEF(JSOP_SETRVAL, 152,"setrval", NULL, 1, 1, 0, 2, JOF_BYTE) |
| 397 |
OPDEF(JSOP_RETRVAL, 153,"retrval", NULL, 1, 0, 0, 0, JOF_BYTE) |
| 398 |
|
| 399 |
/* Optimized global variable ops (we don't bother doing a JSOP_FORGVAR op). */ |
| 400 |
OPDEF(JSOP_GETGVAR, 154,"getgvar", NULL, 3, 0, 1, 19, JOF_ATOM|JOF_NAME) |
| 401 |
OPDEF(JSOP_SETGVAR, 155,"setgvar", NULL, 3, 1, 1, 3, JOF_ATOM|JOF_NAME|JOF_SET|JOF_DETECTING) |
| 402 |
OPDEF(JSOP_INCGVAR, 156,"incgvar", NULL, 3, 0, 1, 15, JOF_ATOM|JOF_NAME|JOF_INC|JOF_TMPSLOT2) |
| 403 |
OPDEF(JSOP_DECGVAR, 157,"decgvar", NULL, 3, 0, 1, 15, JOF_ATOM|JOF_NAME|JOF_DEC|JOF_TMPSLOT2) |
| 404 |
OPDEF(JSOP_GVARINC, 158,"gvarinc", NULL, 3, 0, 1, 15, JOF_ATOM|JOF_NAME|JOF_INC|JOF_POST|JOF_TMPSLOT2) |
| 405 |
OPDEF(JSOP_GVARDEC, 159,"gvardec", NULL, 3, 0, 1, 15, JOF_ATOM|JOF_NAME|JOF_DEC|JOF_POST|JOF_TMPSLOT2) |
| 406 |
|
| 407 |
/* Regular expression literal requiring special "fork on exec" handling. */ |
| 408 |
OPDEF(JSOP_REGEXP, 160,"regexp", NULL, 3, 0, 1, 19, JOF_REGEXP) |
| 409 |
|
| 410 |
/* XML (ECMA-357, a.k.a. "E4X") support. */ |
| 411 |
OPDEF(JSOP_DEFXMLNS, 161,"defxmlns", NULL, 1, 1, 0, 0, JOF_BYTE) |
| 412 |
OPDEF(JSOP_ANYNAME, 162,"anyname", NULL, 1, 0, 1, 19, JOF_BYTE|JOF_XMLNAME) |
| 413 |
OPDEF(JSOP_QNAMEPART, 163,"qnamepart", NULL, 3, 0, 1, 19, JOF_ATOM|JOF_XMLNAME) |
| 414 |
OPDEF(JSOP_QNAMECONST, 164,"qnameconst", NULL, 3, 1, 1, 19, JOF_ATOM|JOF_XMLNAME) |
| 415 |
OPDEF(JSOP_QNAME, 165,"qname", NULL, 1, 2, 1, 0, JOF_BYTE|JOF_XMLNAME) |
| 416 |
OPDEF(JSOP_TOATTRNAME, 166,"toattrname", NULL, 1, 1, 1, 19, JOF_BYTE|JOF_XMLNAME) |
| 417 |
OPDEF(JSOP_TOATTRVAL, 167,"toattrval", NULL, 1, 1, 1, 19, JOF_BYTE) |
| 418 |
OPDEF(JSOP_ADDATTRNAME, 168,"addattrname",NULL, 1, 2, 1, 13, JOF_BYTE) |
| 419 |
OPDEF(JSOP_ADDATTRVAL, 169,"addattrval", NULL, 1, 2, 1, 13, JOF_BYTE) |
| 420 |
OPDEF(JSOP_BINDXMLNAME, 170,"bindxmlname",NULL, 1, 1, 2, 3, JOF_BYTE|JOF_SET) |
| 421 |
OPDEF(JSOP_SETXMLNAME, 171,"setxmlname", NULL, 1, 3, 1, 3, JOF_BYTE|JOF_SET|JOF_DETECTING) |
| 422 |
OPDEF(JSOP_XMLNAME, 172,"xmlname", NULL, 1, 1, 1, 19, JOF_BYTE) |
| 423 |
OPDEF(JSOP_DESCENDANTS, 173,"descendants",NULL, 1, 2, 1, 18, JOF_BYTE) |
| 424 |
OPDEF(JSOP_FILTER, 174,"filter", NULL, 3, 1, 1, 0, JOF_JUMP) |
| 425 |
OPDEF(JSOP_ENDFILTER, 175,"endfilter", NULL, 3, 2, 1, 18, JOF_JUMP) |
| 426 |
OPDEF(JSOP_TOXML, 176,"toxml", NULL, 1, 1, 1, 19, JOF_BYTE) |
| 427 |
OPDEF(JSOP_TOXMLLIST, 177,"toxmllist", NULL, 1, 1, 1, 19, JOF_BYTE) |
| 428 |
OPDEF(JSOP_XMLTAGEXPR, 178,"xmltagexpr", NULL, 1, 1, 1, 0, JOF_BYTE) |
| 429 |
OPDEF(JSOP_XMLELTEXPR, 179,"xmleltexpr", NULL, 1, 1, 1, 0, JOF_BYTE) |
| 430 |
OPDEF(JSOP_XMLOBJECT, 180,"xmlobject", NULL, 3, 0, 1, 19, JOF_OBJECT) |
| 431 |
OPDEF(JSOP_XMLCDATA, 181,"xmlcdata", NULL, 3, 0, 1, 19, JOF_ATOM) |
| 432 |
OPDEF(JSOP_XMLCOMMENT, 182,"xmlcomment", NULL, 3, 0, 1, 19, JOF_ATOM) |
| 433 |
OPDEF(JSOP_XMLPI, 183,"xmlpi", NULL, 3, 1, 1, 19, JOF_ATOM) |
| 434 |
OPDEF(JSOP_CALLPROP, 184,"callprop", NULL, 3, 1, 2, 18, JOF_ATOM|JOF_PROP|JOF_CALLOP) |
| 435 |
|
| 436 |
/* |
| 437 |
* Get a display (free) variable from the closure's reserved slots. |
| 438 |
*/ |
| 439 |
OPDEF(JSOP_GETUPVAR, 185,"getupvar", NULL, 3, 0, 1, 19, JOF_UINT16|JOF_NAME) |
| 440 |
OPDEF(JSOP_CALLUPVAR, 186,"callupvar", NULL, 3, 0, 2, 19, JOF_UINT16|JOF_NAME|JOF_CALLOP) |
| 441 |
|
| 442 |
OPDEF(JSOP_DELDESC, 187,"deldesc", NULL, 1, 2, 1, 15, JOF_BYTE|JOF_ELEM|JOF_DEL) |
| 443 |
|
| 444 |
/* |
| 445 |
* Opcode to hold 24-bit immediate integer operands. |
| 446 |
*/ |
| 447 |
OPDEF(JSOP_UINT24, 188,"uint24", NULL, 4, 0, 1, 16, JOF_UINT24) |
| 448 |
|
| 449 |
/* |
| 450 |
* Opcodes to allow 24-bit atom or object indexes. Whenever an index exceeds |
| 451 |
* the 16-bit limit, the index-accessing bytecode must be bracketed by |
| 452 |
* JSOP_INDEXBASE and JSOP_RESETBASE to provide the upper bits of the index. |
| 453 |
* See jsemit.c, EmitIndexOp. |
| 454 |
*/ |
| 455 |
OPDEF(JSOP_INDEXBASE, 189,"atombase", NULL, 2, 0, 0, 0, JOF_UINT8|JOF_INDEXBASE) |
| 456 |
OPDEF(JSOP_RESETBASE, 190,"resetbase", NULL, 1, 0, 0, 0, JOF_BYTE) |
| 457 |
OPDEF(JSOP_RESETBASE0, 191,"resetbase0", NULL, 1, 0, 0, 0, JOF_BYTE) |
| 458 |
|
| 459 |
/* |
| 460 |
* Opcodes to help the decompiler deal with XML. |
| 461 |
*/ |
| 462 |
OPDEF(JSOP_STARTXML, 192,"startxml", NULL, 1, 0, 0, 0, JOF_BYTE) |
| 463 |
OPDEF(JSOP_STARTXMLEXPR, 193,"startxmlexpr",NULL, 1, 0, 0, 0, JOF_BYTE) |
| 464 |
|
| 465 |
OPDEF(JSOP_CALLELEM, 194, "callelem", NULL, 1, 2, 2, 18, JOF_BYTE |JOF_ELEM|JOF_LEFTASSOC|JOF_CALLOP) |
| 466 |
|
| 467 |
/* |
| 468 |
* Stop interpretation, emitted at end of script to save the threaded bytecode |
| 469 |
* interpreter an extra branch test on every DO_NEXT_OP (see jsinterp.c). |
| 470 |
*/ |
| 471 |
OPDEF(JSOP_STOP, 195,"stop", NULL, 1, 0, 0, 0, JOF_BYTE) |
| 472 |
|
| 473 |
/* |
| 474 |
* Get an extant property value, throwing ReferenceError if the identified |
| 475 |
* property does not exist. |
| 476 |
*/ |
| 477 |
OPDEF(JSOP_GETXPROP, 196,"getxprop", NULL, 3, 1, 1, 18, JOF_ATOM|JOF_PROP) |
| 478 |
|
| 479 |
OPDEF(JSOP_CALLXMLNAME, 197, "callxmlname", NULL, 1, 1, 2, 19, JOF_BYTE|JOF_CALLOP) |
| 480 |
|
| 481 |
/* |
| 482 |
* Specialized JSOP_TYPEOF to avoid reporting undefined for typeof(0, undef). |
| 483 |
*/ |
| 484 |
OPDEF(JSOP_TYPEOFEXPR, 198,"typeofexpr", NULL, 1, 1, 1, 15, JOF_BYTE|JOF_DETECTING) |
| 485 |
|
| 486 |
/* |
| 487 |
* Block-local scope support. |
| 488 |
*/ |
| 489 |
OPDEF(JSOP_ENTERBLOCK, 199,"enterblock", NULL, 3, 0, -1, 0, JOF_OBJECT) |
| 490 |
OPDEF(JSOP_LEAVEBLOCK, 200,"leaveblock", NULL, 3, -1, 0, 0, JOF_UINT16) |
| 491 |
|
| 492 |
/* Jump to target if top of stack value is of primitive type. */ |
| 493 |
OPDEF(JSOP_IFPRIMTOP, 201,"ifprimtop", NULL, 3, 1, 1, 0, JOF_JUMP|JOF_DETECTING) |
| 494 |
|
| 495 |
/* Throws a TypeError if the value at the top of the stack is not primitive. */ |
| 496 |
OPDEF(JSOP_PRIMTOP, 202,"primtop", NULL, 2, 1, 1, 0, JOF_INT8) |
| 497 |
|
| 498 |
/* |
| 499 |
* Generator and array comprehension support. |
| 500 |
*/ |
| 501 |
OPDEF(JSOP_GENERATOR, 203,"generator", NULL, 1, 0, 0, 0, JOF_BYTE) |
| 502 |
OPDEF(JSOP_YIELD, 204,"yield", NULL, 1, 1, 1, 1, JOF_BYTE) |
| 503 |
OPDEF(JSOP_ARRAYPUSH, 205,"arraypush", NULL, 3, 1, 0, 3, JOF_LOCAL) |
| 504 |
|
| 505 |
/* |
| 506 |
* Get the built-in function::foo namespace and push it. |
| 507 |
*/ |
| 508 |
OPDEF(JSOP_GETFUNNS, 206,"getfunns", NULL, 1, 0, 1, 19, JOF_BYTE) |
| 509 |
|
| 510 |
/* |
| 511 |
* Variant of JSOP_ENUMELEM for destructuring const (const [a, b] = ...). |
| 512 |
*/ |
| 513 |
OPDEF(JSOP_ENUMCONSTELEM, 207,"enumconstelem",NULL, 1, 3, 0, 3, JOF_BYTE|JOF_SET) |
| 514 |
|
| 515 |
/* |
| 516 |
* Variant of JSOP_LEAVEBLOCK has a result on the stack above the locals, |
| 517 |
* which must be moved down when the block pops. |
| 518 |
*/ |
| 519 |
OPDEF(JSOP_LEAVEBLOCKEXPR,208,"leaveblockexpr",NULL, 3, -1, 1, 3, JOF_UINT16) |
| 520 |
|
| 521 |
/* |
| 522 |
* Optimize common JSOP_{THIS,GET{ARG,LOCAL}} -> JSOP_GETPROP cliches. |
| 523 |
*/ |
| 524 |
OPDEF(JSOP_GETTHISPROP, 209,"getthisprop", NULL, 3, 0, 1, 18, JOF_ATOM|JOF_VARPROP) |
| 525 |
OPDEF(JSOP_GETARGPROP, 210,"getargprop", NULL, 5, 0, 1, 18, JOF_SLOTATOM|JOF_VARPROP) |
| 526 |
OPDEF(JSOP_GETLOCALPROP, 211,"getlocalprop", NULL, 5, 0, 1, 18, JOF_SLOTATOM|JOF_VARPROP) |
| 527 |
|
| 528 |
/* |
| 529 |
* Optimize atom segments 1-3. These must be followed by JSOP_RESETBASE0 after |
| 530 |
* the opcode that they prefix. |
| 531 |
*/ |
| 532 |
OPDEF(JSOP_INDEXBASE1, 212,"atombase1", NULL, 1, 0, 0, 0, JOF_BYTE |JOF_INDEXBASE) |
| 533 |
OPDEF(JSOP_INDEXBASE2, 213,"atombase2", NULL, 1, 0, 0, 0, JOF_BYTE |JOF_INDEXBASE) |
| 534 |
OPDEF(JSOP_INDEXBASE3, 214,"atombase3", NULL, 1, 0, 0, 0, JOF_BYTE |JOF_INDEXBASE) |
| 535 |
|
| 536 |
OPDEF(JSOP_CALLGVAR, 215, "callgvar", NULL, 3, 0, 2, 19, JOF_ATOM|JOF_NAME|JOF_CALLOP) |
| 537 |
OPDEF(JSOP_CALLLOCAL, 216, "calllocal", NULL, 3, 0, 2, 19, JOF_LOCAL|JOF_NAME|JOF_CALLOP) |
| 538 |
OPDEF(JSOP_CALLARG, 217, "callarg", NULL, 3, 0, 2, 19, JOF_QARG |JOF_NAME|JOF_CALLOP) |
| 539 |
OPDEF(JSOP_CALLBUILTIN, 218, "callbuiltin", NULL, 3, 1, 2, 0, JOF_UINT16) |
| 540 |
|
| 541 |
/* |
| 542 |
* Opcodes to hold 8-bit and 32-bit immediate integer operands. |
| 543 |
*/ |
| 544 |
OPDEF(JSOP_INT8, 219, "int8", NULL, 2, 0, 1, 16, JOF_INT8) |
| 545 |
OPDEF(JSOP_INT32, 220, "int32", NULL, 5, 0, 1, 16, JOF_INT32) |
| 546 |
|
| 547 |
/* |
| 548 |
* Get the value of the 'length' property from a stacked object. |
| 549 |
*/ |
| 550 |
OPDEF(JSOP_LENGTH, 221, "length", NULL, 1, 1, 1, 18, JOF_BYTE|JOF_PROP) |
| 551 |
|
| 552 |
/* |
| 553 |
* Construct a new dense array whose contents are the values provided on the |
| 554 |
* stack, consuming those values and replacing them with the newly-constructed |
| 555 |
* array. The topmost value is the last value in the new array, and the |
| 556 |
* bottommost value is the first value in the array; the array length is a |
| 557 |
* 16-bit immediate operand to the instruction. |
| 558 |
*/ |
| 559 |
OPDEF(JSOP_NEWARRAY, 222, "newarray", NULL, 3, -1, 1, 19, JOF_UINT16) |
| 560 |
|
| 561 |
/* |
| 562 |
* Push a JSVAL_HOLE value onto the stack, representing an omitted property in |
| 563 |
* an array literal (e.g. property 0 in the array [, 1]). This opcode is used |
| 564 |
* with the JSOP_NEWARRAY and JSOP_NEWINIT opcodes. |
| 565 |
*/ |
| 566 |
OPDEF(JSOP_HOLE, 223, "hole", NULL, 1, 0, 1, 0, JOF_BYTE) |
| 567 |
|
| 568 |
/* |
| 569 |
* Variants of JSOP_{DEF{,LOCAL}FUN,LAMBDA} optimized for the flat closure case. |
| 570 |
*/ |
| 571 |
OPDEF(JSOP_DEFFUN_FC, 224,"deffun_fc", NULL, 3, 0, 0, 0, JOF_OBJECT|JOF_DECLARING) |
| 572 |
OPDEF(JSOP_DEFLOCALFUN_FC,225,"deflocalfun_fc",NULL, 5, 0, 0, 0, JOF_SLOTOBJECT|JOF_DECLARING) |
| 573 |
OPDEF(JSOP_LAMBDA_FC, 226,"lambda_fc", NULL, 3, 0, 1, 19, JOF_OBJECT) |
| 574 |
|
| 575 |
/* |
| 576 |
* Ensure that the value on the top of the stack is an object. The one |
| 577 |
* argument is an error message, defined in js.msg, that takes one parameter |
| 578 |
* (the decompilation of the primitive value). |
| 579 |
*/ |
| 580 |
OPDEF(JSOP_OBJTOP, 227,"objtop", NULL, 3, 0, 0, 0, JOF_UINT16) |
| 581 |
|
| 582 |
OPDEF(JSOP_TRACE, 228, "trace", NULL, 1, 0, 0, 0, JOF_BYTE) |
| 583 |
|
| 584 |
/* |
| 585 |
* Debugger versions of JSOP_{GET,CALL}UPVAR. |
| 586 |
*/ |
| 587 |
OPDEF(JSOP_GETUPVAR_DBG, 229,"getupvar_dbg", NULL, 3, 0, 1, 19, JOF_UINT16|JOF_NAME) |
| 588 |
OPDEF(JSOP_CALLUPVAR_DBG, 230,"callupvar_dbg", NULL, 3, 0, 2, 19, JOF_UINT16|JOF_NAME|JOF_CALLOP) |
| 589 |
OPDEF(JSOP_DEFFUN_DBGFC, 231,"deffun_dbgfc", NULL, 3, 0, 0, 0, JOF_OBJECT|JOF_DECLARING) |
| 590 |
OPDEF(JSOP_DEFLOCALFUN_DBGFC,232,"deflocalfun_dbgfc",NULL, 5, 0, 0, 0, JOF_SLOTOBJECT|JOF_DECLARING) |
| 591 |
OPDEF(JSOP_LAMBDA_DBGFC, 233,"lambda_dbgfc", NULL, 3, 0, 1, 19, JOF_OBJECT) |
| 592 |
|
| 593 |
/* |
| 594 |
* Concatenate N values, coercing to string if necessary, where N is concatn's |
| 595 |
* immediate. See record_JSOP_CONCATN for recording behavior. |
| 596 |
*/ |
| 597 |
OPDEF(JSOP_CONCATN, 234,"concatn", NULL, 3, -1, 1, 13, JOF_UINT16|JOF_TMPSLOT2) |
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