pub enum Root {
    Global(GlobalKey),
    Formal(TempIndex),
    Local(TempIndex),
    Return(usize),
}
Expand description

Root of an access path: a global, local, or return variable

Variants§

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Global(GlobalKey)

A key in global storage

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Formal(TempIndex)

A formal parameter

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Local(TempIndex)

A local variable

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Return(usize)

A return variable

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impl Root

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pub fn from_index(index: TempIndex, fun: &FunctionEnv<'_>) -> Self

Create a Root from local index index

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pub fn global(key: GlobalKey) -> Self

Create a Root from global storage key key

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pub fn ret(index: usize) -> Self

Create a Root from return variable index

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pub fn get_type(&self, fun: &FunctionEnv<'_>) -> Type

Return the type of self in fun

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pub fn is_formal(&self) -> bool

Return true if this variable is a formal parameter

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pub fn is_return(&self) -> bool

Return true if this variable is a return value

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pub fn is_local(&self) -> bool

Return true if this variable is a lol

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pub fn is_statically_known(&self) -> bool

Return true if self can be determined statically

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pub fn substitute_footprint( &mut self, actuals: &[TempIndex], type_actuals: &[Type], func_env: &FunctionEnv<'_>, sub_map: &dyn AccessPathMap<AbsAddr> )

Replace all footprint paths in self using actuals and sub_map. Bind free type variables to type_actuals.

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pub fn display<'a>(&'a self, env: &'a FunctionEnv<'_>) -> RootDisplay<'a>

Return a wrapper of self that implements Display using env

Trait Implementations§

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impl Clone for Root

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fn clone(&self) -> Root

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Root

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Ord for Root

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fn cmp(&self, other: &Root) -> Ordering

This method returns an Ordering between self and other. Read more
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fn max(self, other: Self) -> Selfwhere Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Selfwhere Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Selfwhere Self: Sized + PartialOrd<Self>,

Restrict a value to a certain interval. Read more
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impl PartialEq<Root> for Root

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fn eq(&self, other: &Root) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl PartialOrd<Root> for Root

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fn partial_cmp(&self, other: &Root) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more
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fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator. Read more
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fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl Eq for Root

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impl StructuralEq for Root

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impl StructuralPartialEq for Root

Auto Trait Implementations§

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impl RefUnwindSafe for Root

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impl Send for Root

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impl Sync for Root

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impl Unpin for Root

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impl UnwindSafe for Root

Blanket Implementations§

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impl<T> Any for Twhere 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 Twhere T: ?Sized,

const: unstable · source§

fn borrow(&self) -> &T

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

const: unstable · source§

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

Mutably borrows from an owned value. Read more
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impl<Q, K> Equivalent<K> for Qwhere Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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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 Twhere 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> Same<T> for T

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type Output = T

Should always be Self
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impl<T> ToOwned for Twhere T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for Twhere 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 Twhere 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.
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impl<V, T> VZip<V> for Twhere V: MultiLane<T>,

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fn vzip(self) -> V