418 lines
15 KiB
C++
418 lines
15 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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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 the JavaScript 2 Prototype.
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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 the GNU General Public License Version 2 or later (the "GPL"), or
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* 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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// Read a multiname property from a base object, push the value onto the stack
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case eDotRead:
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{
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Multiname *mn = bCon->mMultinameList[BytecodeContainer::getShort(pc)];
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pc += sizeof(short);
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b = pop();
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if (JS2VAL_IS_NULL(b))
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meta->reportError(Exception::referenceError, "Null base", errorPos());
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if (JS2VAL_IS_OBJECT(b) && (JS2VAL_TO_OBJECT(b)->kind == LimitedInstanceKind)) {
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LimitedInstance *li = checked_cast<LimitedInstance *>(JS2VAL_TO_OBJECT(b));
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b = OBJECT_TO_JS2VAL(li->instance);
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if (!li->limit->Read(meta, &b, mn, NULL, RunPhase, &a))
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meta->reportError(Exception::propertyAccessError, "No property named {0}", errorPos(), mn->name);
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}
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else {
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JS2Class *limit = meta->objectType(b);
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if (!limit->Read(meta, &b, mn, NULL, RunPhase, &a))
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meta->reportError(Exception::propertyAccessError, "No property named {0}", errorPos(), mn->name);
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}
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push(a);
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}
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break;
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case eDotDelete:
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{
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Multiname *mn = bCon->mMultinameList[BytecodeContainer::getShort(pc)];
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pc += sizeof(short);
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b = pop();
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bool result;
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JS2Class *limit = meta->objectType(b);
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if (!limit->Delete(meta, b, mn, NULL, &result))
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push(JS2VAL_FALSE);
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else
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push(BOOLEAN_TO_JS2VAL(result));
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}
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break;
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// Write the top value to a multiname property in a base object, leave
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// the value on the stack top
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case eDotWrite:
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{
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a = pop();
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Multiname *mn = bCon->mMultinameList[BytecodeContainer::getShort(pc)];
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pc += sizeof(short);
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b = pop();
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if (JS2VAL_IS_NULL(b))
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meta->reportError(Exception::referenceError, "Null base", errorPos());
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if (JS2VAL_IS_OBJECT(b) && (JS2VAL_TO_OBJECT(b)->kind == LimitedInstanceKind)) {
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LimitedInstance *li = checked_cast<LimitedInstance *>(JS2VAL_TO_OBJECT(b));
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b = OBJECT_TO_JS2VAL(li->instance);
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if (!li->limit->Write(meta, b, mn, NULL, true, a, false)) {
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if (!meta->cxt.E3compatibility)
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meta->reportError(Exception::propertyAccessError, "No property named {0}", errorPos(), mn->name);
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}
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}
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else {
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JS2Class *limit = meta->objectType(b);
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if (!limit->Write(meta, b, mn, NULL, true, a, false)) {
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if (!meta->cxt.E3compatibility)
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meta->reportError(Exception::propertyAccessError, "No property named {0}", errorPos(), mn->name);
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}
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}
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push(a);
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}
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break;
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// Read the multiname property, but leave the base and the value on the stack
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case eDotRef:
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{
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Multiname *mn = bCon->mMultinameList[BytecodeContainer::getShort(pc)];
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pc += sizeof(short);
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b = pop();
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JS2Class *limit = meta->objectType(b);
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if (!limit->Read(meta, &b, mn, NULL, RunPhase, &a))
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meta->reportError(Exception::propertyAccessError, "No property named {0}", errorPos(), mn->name);
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push(b);
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push(a);
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}
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break;
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// Read the multiname from the current environment, push it's value on the stack
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case eLexicalRead:
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{
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Multiname *mn = bCon->mMultinameList[BytecodeContainer::getShort(pc)];
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pc += sizeof(short);
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meta->env->lexicalRead(meta, mn, phase, &a, NULL);
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push(a);
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}
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break;
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case eLexicalDelete:
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{
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Multiname *mn = bCon->mMultinameList[BytecodeContainer::getShort(pc)];
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pc += sizeof(short);
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push(BOOLEAN_TO_JS2VAL(meta->env->lexicalDelete(meta, mn, phase)));
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}
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break;
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// Write the top value to the multiname in the environment, leave
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// the value on the stack top.
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case eLexicalWrite:
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{
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a = top();
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Multiname *mn = bCon->mMultinameList[BytecodeContainer::getShort(pc)];
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pc += sizeof(short);
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// XXX The value of 'createIfMissing' should come from the reference's copy
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// of the !environment.strict at the time the reference was constructed.
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// Have eLexicalWriteCreate ?
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meta->env->lexicalWrite(meta, mn, a, true);
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}
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break;
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// Write the top value to the multiname in the environment, leave
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// the value on the stack top.
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case eLexicalInit:
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{
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a = pop();
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Multiname *mn = bCon->mMultinameList[BytecodeContainer::getShort(pc)];
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pc += sizeof(short);
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meta->env->lexicalInit(meta, mn, a);
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}
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break;
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// Construct a reference pair consisting of a NULL base and the read value
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case eLexicalRef:
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{
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Multiname *mn = bCon->mMultinameList[BytecodeContainer::getShort(pc)];
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pc += sizeof(short);
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b = JS2VAL_NULL;
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meta->env->lexicalRead(meta, mn, phase, &a, &b);
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push(b);
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push(a);
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}
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break;
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// Read an index property from a base object, push the value onto the stack
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case eBracketRead:
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{
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indexVal = pop();
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b = pop();
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JS2Class *limit = meta->objectType(b);
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if (!limit->BracketRead(meta, &b, indexVal, RunPhase, &a))
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meta->reportError(Exception::propertyAccessError, "No property named {0}", errorPos(), meta->toString(indexVal));
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push(a);
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indexVal = JS2VAL_VOID;
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}
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break;
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case eBracketDelete:
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{
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indexVal = pop();
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b = pop();
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bool result;
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JS2Class *limit = meta->objectType(b);
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if (!limit->BracketDelete(meta, b, indexVal, &result))
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push(JS2VAL_FALSE);
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else
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push(BOOLEAN_TO_JS2VAL(result));
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indexVal = JS2VAL_VOID;
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}
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break;
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// Write the top value to an index property in a base object, leave
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// the value on the stack top
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case eBracketWrite:
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{
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a = pop();
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indexVal = pop();
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b = pop();
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JS2Class *limit = meta->objectType(b);
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if (!limit->BracketWrite(meta, b, indexVal, a)) {
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if (!meta->cxt.E3compatibility)
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meta->reportError(Exception::propertyAccessError, "No property named {0}", errorPos(), meta->toString(indexVal));
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}
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push(a);
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indexVal = JS2VAL_VOID;
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}
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break;
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// Leave the base object on the stack and push the property value
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case eBracketRef:
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{
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indexVal = pop();
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b = top();
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JS2Class *limit = meta->objectType(b);
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if (!limit->BracketRead(meta, &b, indexVal, RunPhase, &a))
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meta->reportError(Exception::propertyAccessError, "No property named {0}", errorPos(), meta->toString(indexVal));
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push(a);
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indexVal = JS2VAL_VOID;
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}
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break;
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// Leave the base object and index value, push the value
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case eBracketReadForRef:
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{
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indexVal = pop();
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b = top();
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astr = meta->toString(indexVal);
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indexVal = STRING_TO_JS2VAL(astr);
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push(indexVal);
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JS2Class *limit = meta->objectType(b);
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if (!limit->BracketRead(meta, &b, indexVal, RunPhase, &a))
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meta->reportError(Exception::propertyAccessError, "No property named {0}", errorPos(), astr);
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push(a);
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indexVal = JS2VAL_VOID;
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astr = NULL;
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}
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break;
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// Beneath the value is a reference pair (base and index), write to that location but leave just the value
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case eBracketWriteRef:
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{
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a = pop();
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indexVal = pop();
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ASSERT(JS2VAL_IS_STRING(indexVal)); // because the readForRef above will have executed first
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b = pop();
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JS2Class *limit = meta->objectType(b);
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if (!limit->BracketWrite(meta, b, indexVal, a)) {
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if (!meta->cxt.E3compatibility)
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meta->reportError(Exception::propertyAccessError, "No property named {0}", errorPos(), JS2VAL_TO_STRING(indexVal));
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}
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push(a);
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indexVal = JS2VAL_VOID;
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}
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break;
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case eFrameSlotWrite:
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{
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uint16 slotIndex = BytecodeContainer::getShort(pc);
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pc += sizeof(short);
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ASSERT(slotIndex < localFrame->frameSlots->size());
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a = top();
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(*localFrame->frameSlots)[slotIndex] = a;
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}
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break;
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case eFrameSlotDelete:
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{
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uint16 slotIndex = BytecodeContainer::getShort(pc);
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pc += sizeof(short);
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ASSERT(slotIndex < localFrame->frameSlots->size());
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// XXX some kind of code here?
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}
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break;
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case eFrameSlotRead:
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{
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uint16 slotIndex = BytecodeContainer::getShort(pc);
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pc += sizeof(short);
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ASSERT(slotIndex < localFrame->frameSlots->size());
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push((*localFrame->frameSlots)[slotIndex]);
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}
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break;
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case eFrameSlotRef:
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{
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uint16 slotIndex = BytecodeContainer::getShort(pc);
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pc += sizeof(short);
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push(JS2VAL_NULL);
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ASSERT(slotIndex < localFrame->frameSlots->size());
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push((*localFrame->frameSlots)[slotIndex]);
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}
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break;
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case ePackageSlotWrite:
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{
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uint16 slotIndex = BytecodeContainer::getShort(pc);
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pc += sizeof(short);
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a = top();
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ASSERT(slotIndex < packageFrame->frameSlots->size());
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(*packageFrame->frameSlots)[slotIndex] = a;
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}
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break;
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case ePackageSlotDelete:
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{
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uint16 slotIndex = BytecodeContainer::getShort(pc);
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pc += sizeof(short);
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ASSERT(slotIndex < packageFrame->frameSlots->size());
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// XXX some kind of code here?
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}
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break;
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case ePackageSlotRead:
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{
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uint16 slotIndex = BytecodeContainer::getShort(pc);
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pc += sizeof(short);
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ASSERT(slotIndex < packageFrame->frameSlots->size());
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push((*packageFrame->frameSlots)[slotIndex]);
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}
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break;
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case ePackageSlotRef:
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{
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uint16 slotIndex = BytecodeContainer::getShort(pc);
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pc += sizeof(short);
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push(JS2VAL_NULL);
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ASSERT(slotIndex < packageFrame->frameSlots->size());
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push((*packageFrame->frameSlots)[slotIndex]);
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}
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break;
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case eParameterSlotWrite:
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{
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uint16 slotIndex = BytecodeContainer::getShort(pc);
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pc += sizeof(short);
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a = top();
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ASSERT(parameterSlots && slotIndex < parameterCount);
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parameterSlots[slotIndex] = a;
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}
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break;
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case eParameterSlotDelete:
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{
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uint16 slotIndex = BytecodeContainer::getShort(pc);
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pc += sizeof(short);
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ASSERT(parameterSlots && slotIndex < parameterCount);
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// XXX some kind of code here?
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push(JS2VAL_TRUE);
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}
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break;
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case eParameterSlotRead:
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{
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uint16 slotIndex = BytecodeContainer::getShort(pc);
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pc += sizeof(short);
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ASSERT(parameterSlots && slotIndex < parameterCount);
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push(parameterSlots[slotIndex]);
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}
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break;
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case eParameterSlotRef:
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{
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uint16 slotIndex = BytecodeContainer::getShort(pc);
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pc += sizeof(short);
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push(JS2VAL_NULL);
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ASSERT(parameterSlots && slotIndex < parameterCount);
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push(parameterSlots[slotIndex]);
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}
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break;
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case eSlotWrite:
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{
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a = pop();
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uint16 slotIndex = BytecodeContainer::getShort(pc);
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pc += sizeof(short);
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b = pop();
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ASSERT(JS2VAL_IS_OBJECT(b));
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JS2Object *obj = JS2VAL_TO_OBJECT(b);
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ASSERT(obj->kind == SimpleInstanceKind);
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checked_cast<SimpleInstance *>(obj)->fixedSlots[slotIndex].value = a;
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push(a);
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}
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break;
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case eSlotRead:
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{
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uint16 slotIndex = BytecodeContainer::getShort(pc);
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pc += sizeof(short);
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b = pop();
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ASSERT(JS2VAL_IS_OBJECT(b));
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JS2Object *obj = JS2VAL_TO_OBJECT(b);
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ASSERT(obj->kind == SimpleInstanceKind);
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push(checked_cast<SimpleInstance *>(obj)->fixedSlots[slotIndex].value);
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}
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break;
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case eSlotRef:
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{
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uint16 slotIndex = BytecodeContainer::getShort(pc);
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pc += sizeof(short);
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b = top();
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ASSERT(JS2VAL_IS_OBJECT(b));
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JS2Object *obj = JS2VAL_TO_OBJECT(b);
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ASSERT(obj->kind == SimpleInstanceKind);
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push(checked_cast<SimpleInstance *>(obj)->fixedSlots[slotIndex].value);
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}
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break;
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