Enum rtlola_frontend::mir::ExpressionKind
source · pub enum ExpressionKind {
LoadConstant(Constant),
ArithLog(ArithLogOp, Vec<Expression>),
StreamAccess {
target: StreamReference,
parameters: Vec<Expression>,
access_kind: StreamAccessKind,
},
ParameterAccess(StreamReference, usize),
Ite {
condition: Box<Expression>,
consequence: Box<Expression>,
alternative: Box<Expression>,
},
Tuple(Vec<Expression>),
TupleAccess(Box<Expression>, usize),
Function(String, Vec<Expression>),
Convert {
expr: Box<Expression>,
},
Default {
expr: Box<Expression>,
default: Box<Expression>,
},
}
Expand description
This enum contains all possible kinds of expressions and their relevant information.
Variants§
LoadConstant(Constant)
Load a constant value
ArithLog(ArithLogOp, Vec<Expression>)
Apply an arithmetic or logic operation. The function is monomorphized.
Note: Arguments never need to be coerced. Unary: 1st argument -> operand Binary: 1st argument -> lhs, 2nd argument -> rhs n-ary: kth argument -> kth operand
StreamAccess
Fields
target: StreamReference
The target stream to be accessed
parameters: Vec<Expression>
The parameters of the specific stream instance that is accessed.
If the stream behind target
is not parametrized, this collection is empty.
access_kind: StreamAccessKind
The kind of access
Access another stream
ParameterAccess(StreamReference, usize)
Access to the parameter of a stream represented by a stream reference, referencing the target stream and the index of the parameter that should be accessed.
Ite
Fields
condition: Box<Expression>
The condition under which either consequence
or alternative
is selected.
consequence: Box<Expression>
The consequence should be evaluated and returned if the condition evaluates to true.
alternative: Box<Expression>
The alternative should be evaluated and returned if the condition evaluates to false.
A conditional (if-then-else) expression
Tuple(Vec<Expression>)
A tuple expression
TupleAccess(Box<Expression>, usize)
Represents a tuple projections, i.e., it accesses a specific tuple element.
Function(String, Vec<Expression>)
Represents a function call. The function is monomorphized.
Note: Arguments never need to be coerced. Unary: 1st argument -> operand Binary: 1st argument -> lhs, 2nd argument -> rhs n-ary: kth argument -> kth operand
Convert
Fields
expr: Box<Expression>
The expression that produces a value. The type of the expression indicates the source of the conversion.
Converting a value to a different type
The result type is indicated in the expression with the Convert
kind.
Default
Fields
expr: Box<Expression>
The expression that results in an optional value.
default: Box<Expression>
An infallible expression providing the default value if expr
fails to produce a value.
Transforms an optional value into a definitive one
Trait Implementations§
source§impl Clone for ExpressionKind
impl Clone for ExpressionKind
source§fn clone(&self) -> ExpressionKind
fn clone(&self) -> ExpressionKind
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source
. Read moresource§impl Debug for ExpressionKind
impl Debug for ExpressionKind
source§impl<'de> Deserialize<'de> for ExpressionKind
impl<'de> Deserialize<'de> for ExpressionKind
source§fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
source§impl PartialEq<ExpressionKind> for ExpressionKind
impl PartialEq<ExpressionKind> for ExpressionKind
source§fn eq(&self, other: &ExpressionKind) -> bool
fn eq(&self, other: &ExpressionKind) -> bool
self
and other
values to be equal, and is used
by ==
.