boa_engine 0.17.0

/// Represents the limits of different runtime operations.
#[derive(Debug, Clone, Copy)]
pub struct RuntimeLimits {
    /// Max stack size before an error is thrown.
    stack_size_limit: usize,

    /// Max loop iterations before an error is thrown.
    loop_iteration_limit: u64,

    /// Max function recursion limit
    resursion_limit: usize,
}

impl Default for RuntimeLimits {
    #[inline]
    fn default() -> Self {
        Self {
            loop_iteration_limit: u64::MAX,
            resursion_limit: 400,
            stack_size_limit: 1024,
        }
    }
}

impl RuntimeLimits {
    /// Return the loop iteration limit.
    ///
    /// If the limit is exceeded in a loop it will throw and errror.
    ///
    /// The limit value [`u64::MAX`] means that there is no limit.
    #[inline]
    #[must_use]
    pub const fn loop_iteration_limit(&self) -> u64 {
        self.loop_iteration_limit
    }

    /// Set the loop iteration limit.
    ///
    /// If the limit is exceeded in a loop it will throw and errror.
    ///
    /// Setting the limit to [`u64::MAX`] means that there is no limit.
    #[inline]
    pub fn set_loop_iteration_limit(&mut self, value: u64) {
        self.loop_iteration_limit = value;
    }

    /// Disable loop iteration limit.
    #[inline]
    pub fn disable_loop_iteration_limit(&mut self) {
        self.loop_iteration_limit = u64::MAX;
    }

    /// Get max stack size.
    #[inline]
    #[must_use]
    pub const fn stack_size_limit(&self) -> usize {
        self.stack_size_limit
    }

    /// Set max stack size before an error is thrown.
    #[inline]
    pub fn set_stack_size_limit(&mut self, value: usize) {
        self.stack_size_limit = value;
    }

    /// Get recursion limit.
    #[inline]
    #[must_use]
    pub const fn recursion_limit(&self) -> usize {
        self.resursion_limit
    }

    /// Set recursion limit before an error is thrown.
    #[inline]
    pub fn set_recursion_limit(&mut self, value: usize) {
        self.resursion_limit = value;
    }
}