C++ (Cpp) WasmActivation::cx示例

示例#1

文件： WasmFrameIterator.cpp 项目： JefferyQ/spidernode

FrameIterator::FrameIterator(const WasmActivation& activation)
  : cx_(activation.cx()),
    instance_(&activation.instance()),
    callsite_(nullptr),
    codeRange_(nullptr),
    fp_(activation.fp()),
    missingFrameMessage_(false)
{
    if (fp_) {
        settle();
        return;
    }

    void* pc = activation.resumePC();
    if (!pc)
        return;

    const CodeRange* codeRange = instance_->lookupCodeRange(pc);
    MOZ_ASSERT(codeRange);

    if (codeRange->kind() == CodeRange::Function)
        codeRange_ = codeRange;
    else
        missingFrameMessage_ = true;

    MOZ_ASSERT(!done());
}

示例#2

文件： WasmTypes.cpp 项目： bslassey/spidernode

// Use an int32_t return type instead of bool since bool does not have a
// specified width and the caller is assuming a word-sized return.
static int32_t
InvokeImport_Void(int32_t importIndex, int32_t argc, Value* argv)
{
    WasmActivation* activation = JSRuntime::innermostWasmActivation();
    JSContext* cx = activation->cx();

    RootedValue rval(cx);
    return activation->module().callImport(cx, importIndex, argc, argv, &rval);
}

示例#3

文件： WasmFrameIterator.cpp 项目： Nazi-Nigger/gecko-dev

FrameIterator::FrameIterator(const WasmActivation& activation)
  : cx_(activation.cx()),
    module_(&activation.module()),
    callsite_(nullptr),
    codeRange_(nullptr),
    fp_(activation.fp())
{
    if (fp_)
        settle();
}

示例#4

文件： WasmTypes.cpp 项目： bzbarsky/spidernode

static int32_t
InvokeImport_I64(int32_t importIndex, int32_t argc, uint64_t* argv)
{
    WasmActivation* activation = JSRuntime::innermostWasmActivation();
    JSContext* cx = activation->cx();

    RootedValue rval(cx);
    if (!activation->module().callImport(cx, importIndex, argc, argv, &rval))
        return false;

    if (!ReadI64Object(cx, rval, (int64_t*)argv))
        return false;

    return true;
}

示例#5

文件： WasmTypes.cpp 项目： bslassey/spidernode

// Use an int32_t return type instead of bool since bool does not have a
// specified width and the caller is assuming a word-sized return.
static int32_t
InvokeImport_F64(int32_t importIndex, int32_t argc, Value* argv)
{
    WasmActivation* activation = JSRuntime::innermostWasmActivation();
    JSContext* cx = activation->cx();

    RootedValue rval(cx);
    if (!activation->module().callImport(cx, importIndex, argc, argv, &rval))
        return false;

    double dbl;
    if (!ToNumber(cx, rval, &dbl))
        return false;

    argv[0] = DoubleValue(dbl);
    return true;
}

示例#6

文件： WasmTypes.cpp 项目： bslassey/spidernode

// Use an int32_t return type instead of bool since bool does not have a
// specified width and the caller is assuming a word-sized return.
static int32_t
InvokeImport_I32(int32_t importIndex, int32_t argc, Value* argv)
{
    WasmActivation* activation = JSRuntime::innermostWasmActivation();
    JSContext* cx = activation->cx();

    RootedValue rval(cx);
    if (!activation->module().callImport(cx, importIndex, argc, argv, &rval))
        return false;

    int32_t i32;
    if (!ToInt32(cx, rval, &i32))
        return false;

    argv[0] = Int32Value(i32);
    return true;
}