Enum falcon::il::Operation

pub enum Operation {
    Assign {
        dst: Scalar,
        src: Expression,
    },
    Store {
        dst: Array,
        index: Expression,
        src: Expression,
    },
    Load {
        dst: Scalar,
        index: Expression,
        src: Array,
    },
    Brc {
        target: Expression,
        condition: Expression,
    },
    Raise {
        expr: Expression,
    },
}

An IL Operation updates some state.

Variants

Assign

Assign the value given in expression to the variable indicated.

Fields of Assign

dst: Scalar
src: Expression

Store

Store the value given by expression at the address given.

Fields of Store

dst: Array
index: Expression
src: Expression

Load

Load the value given by address and place the result in the variable dst.

Fields of Load

dst: Scalar
index: Expression
src: Array

Brc

If condition is non-zero, branch to the value given by dst.

Fields of Brc

target: Expression
condition: Expression

Raise

Raise operation for handling things such as system calls

Fields of Raise

expr: Expression

Methods

impl Operation

fn assign(dst: Scalar, src: Expression) -> Operation

Create a new Operation::Assign.

fn store(dst: Array, index: Expression, src: Expression) -> Operation

Create a new Operation::Store.

fn load(dst: Scalar, index: Expression, src: Array) -> Operation

Create a new Operation::Load.

fn brc(target: Expression, condition: Expression) -> Operation

Create a new Operation::Brc.

fn raise(expr: Expression) -> Operation

Create a new Operation::Raise.

fn variables_read(&self) -> Vec<&Variable>

Get eacn Variable read by this Operation.

fn variables_read_mut(&mut self) -> Vec<&mut Variable>

Get a mutable reference to each Variable read by this Operation.

fn variable_written(&self) -> Option<&Variable>

Get a reference to the Variable written by this Operation, or None if no Variable is written.

fn variable_written_mut(&mut self) -> Option<&mut Variable>

Get a mutable reference to the Variable written by this Operation, or None, if no Variable is written.

Trait Implementations

impl Clone for Operation

fn clone(&self) -> Operation

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Operation

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Eq for Operation

impl Hash for Operation

fn hash<__H: Hasher>(&self, __arg_0: &mut __H)

Feeds this value into the given [Hasher].

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, 

Feeds a slice of this type into the given [Hasher].

impl Ord for Operation

fn cmp(&self, __arg_0: &Operation) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

impl PartialEq for Operation

fn eq(&self, __arg_0: &Operation) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, __arg_0: &Operation) -> bool

This method tests for !=.

impl PartialOrd for Operation

fn partial_cmp(&self, __arg_0: &Operation) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, __arg_0: &Operation) -> bool

This method tests less than (for self and other) and is used by the < operator.

fn le(&self, __arg_0: &Operation) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, __arg_0: &Operation) -> bool

This method tests greater than (for self and other) and is used by the > operator.

fn ge(&self, __arg_0: &Operation) -> bool

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

impl Display for Operation

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

Formats the value using the given formatter.