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JsVm

Struct JsVm 

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pub struct JsVm {
    pub stack: Vec<JsValue>,
    pub call_stack: Vec<CallFrame>,
    pub globals: BTreeMap<String, JsValue>,
    pub object_arena: Vec<JsObject>,
    pub function_arena: Vec<FunctionTemplate>,
    pub output: Vec<String>,
    /* private fields */
}
Expand description

JavaScript virtual machine

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§stack: Vec<JsValue>

Operand stack

§call_stack: Vec<CallFrame>

Call stack

§globals: BTreeMap<String, JsValue>

Global variables

§object_arena: Vec<JsObject>

Object arena

§function_arena: Vec<FunctionTemplate>

Function templates

§output: Vec<String>

Output buffer (from console.log)

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impl JsVm

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pub fn new() -> Self

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pub fn alloc_object(&mut self, obj: JsObject) -> ObjectId

Allocate an object in the arena

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pub fn register_function(&mut self, template: FunctionTemplate) -> FunctionId

Register a function template

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pub fn run_chunk(&mut self, chunk: &Chunk) -> Result<JsValue, JsVmError>

Execute a compiled chunk (top-level code)

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impl Default for JsVm

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fn default() -> Self

Returns the “default value” for a type. Read more

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impl Freeze for JsVm

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impl RefUnwindSafe for JsVm

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impl Send for JsVm

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impl Sync for JsVm

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impl Unpin for JsVm

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impl UnwindSafe for JsVm

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of [From]<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.