tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

BytecodeLocation-inl.h (3820B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
      2 * vim: set ts=8 sts=2 et sw=2 tw=80:
      3 * This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #ifndef vm_BytecodeLocation_inl_h
      8 #define vm_BytecodeLocation_inl_h
      9 
     10 #include "vm/BytecodeLocation.h"
     11 
     12 #include "vm/JSScript.h"
     13 
     14 #include "vm/BytecodeUtil-inl.h"
     15 #include "vm/JSScript-inl.h"
     16 
     17 namespace js {
     18 
     19 inline uint32_t BytecodeLocation::bytecodeToOffset(
     20    const JSScript* script) const {
     21  MOZ_ASSERT(this->isInBounds());
     22  return script->pcToOffset(this->rawBytecode_);
     23 }
     24 
     25 inline JSAtom* BytecodeLocation::getAtom(const JSScript* script) const {
     26  MOZ_ASSERT(this->isValid());
     27  return script->getAtom(this->rawBytecode_);
     28 }
     29 
     30 inline JSString* BytecodeLocation::getString(const JSScript* script) const {
     31  MOZ_ASSERT(this->isValid());
     32  return script->getString(this->rawBytecode_);
     33 }
     34 
     35 inline bool BytecodeLocation::atomizeString(JSContext* cx, JSScript* script) {
     36  MOZ_ASSERT(this->isValid());
     37  return script->atomizeString(cx, this->rawBytecode_);
     38 }
     39 
     40 inline PropertyName* BytecodeLocation::getPropertyName(
     41    const JSScript* script) const {
     42  MOZ_ASSERT(this->isValid());
     43  return script->getName(this->rawBytecode_);
     44 }
     45 
     46 inline JS::BigInt* BytecodeLocation::getBigInt(const JSScript* script) const {
     47  MOZ_ASSERT(this->isValid());
     48  MOZ_ASSERT(is(JSOp::BigInt));
     49  return script->getBigInt(this->rawBytecode_);
     50 }
     51 
     52 inline JSObject* BytecodeLocation::getObject(const JSScript* script) const {
     53  MOZ_ASSERT(this->isValid());
     54  MOZ_ASSERT(is(JSOp::CallSiteObj) || is(JSOp::Object));
     55  return script->getObject(this->rawBytecode_);
     56 }
     57 
     58 inline JSFunction* BytecodeLocation::getFunction(const JSScript* script) const {
     59  MOZ_ASSERT(this->isValid());
     60  MOZ_ASSERT(is(JSOp::Lambda) || is(JSOp::FunWithProto));
     61  return script->getFunction(this->rawBytecode_);
     62 }
     63 
     64 inline js::RegExpObject* BytecodeLocation::getRegExp(
     65    const JSScript* script) const {
     66  MOZ_ASSERT(this->isValid());
     67  MOZ_ASSERT(is(JSOp::RegExp));
     68  return script->getRegExp(this->rawBytecode_);
     69 }
     70 
     71 inline js::Scope* BytecodeLocation::getScope(const JSScript* script) const {
     72  MOZ_ASSERT(this->isValid());
     73  return script->getScope(this->rawBytecode_);
     74 }
     75 
     76 inline Scope* BytecodeLocation::innermostScope(const JSScript* script) const {
     77  MOZ_ASSERT(this->isValid());
     78  return script->innermostScope(this->rawBytecode_);
     79 }
     80 
     81 inline uint32_t BytecodeLocation::tableSwitchCaseOffset(
     82    const JSScript* script, uint32_t caseIndex) const {
     83  return script->tableSwitchCaseOffset(this->rawBytecode_, caseIndex);
     84 }
     85 
     86 inline uint32_t BytecodeLocation::getJumpTargetOffset(
     87    const JSScript* script) const {
     88  MOZ_ASSERT(this->isJump());
     89  return this->bytecodeToOffset(script) + GET_JUMP_OFFSET(this->rawBytecode_);
     90 }
     91 
     92 inline uint32_t BytecodeLocation::getTableSwitchDefaultOffset(
     93    const JSScript* script) const {
     94  MOZ_ASSERT(this->is(JSOp::TableSwitch));
     95  return this->bytecodeToOffset(script) + GET_JUMP_OFFSET(this->rawBytecode_);
     96 }
     97 
     98 BytecodeLocation BytecodeLocation::getTableSwitchDefaultTarget() const {
     99  MOZ_ASSERT(is(JSOp::TableSwitch));
    100  return BytecodeLocation(*this, rawBytecode_ + GET_JUMP_OFFSET(rawBytecode_));
    101 }
    102 
    103 BytecodeLocation BytecodeLocation::getTableSwitchCaseTarget(
    104    const JSScript* script, uint32_t caseIndex) const {
    105  MOZ_ASSERT(is(JSOp::TableSwitch));
    106  jsbytecode* casePC = script->tableSwitchCasePC(rawBytecode_, caseIndex);
    107  return BytecodeLocation(*this, casePC);
    108 }
    109 
    110 inline uint32_t BytecodeLocation::useCount() const {
    111  return GetUseCount(this->rawBytecode_);
    112 }
    113 
    114 inline uint32_t BytecodeLocation::defCount() const {
    115  return GetDefCount(this->rawBytecode_);
    116 }
    117 
    118 }  // namespace js
    119 
    120 #endif