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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set ts=8 sts=2 et sw=2 tw=80:
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#include "frontend/LabelEmitter.h"
#include "mozilla/Assertions.h" // MOZ_ASSERT
#include "frontend/BytecodeEmitter.h" // BytecodeEmitter
using namespace js;
using namespace js::frontend;
void LabelEmitter::emitLabel(TaggedParserAtomIndex name) {
MOZ_ASSERT(state_ == State::Start);
controlInfo_.emplace(bce_, name, bce_->bytecodeSection().offset());
#ifdef DEBUG
state_ = State::Label;
#endif
}
bool LabelEmitter::emitEnd() {
MOZ_ASSERT(state_ == State::Label);
// Patch the break/continue to this label.
if (!controlInfo_->patchBreaks(bce_)) {
return false;
}
controlInfo_.reset();
#ifdef DEBUG
state_ = State::End;
#endif
return true;
}