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Add TryFrom<Expr> for _ and From<_> for Expr #34

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merged 1 commit into from
Mar 25, 2024
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Add TryFrom<Expr> for _ and From<_> for Expr #34

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168 changes: 168 additions & 0 deletions src/expressions.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -302,6 +302,27 @@ fn be_var_par_identifier<'a, E: ParserError<&'a str>>(input: &mut &'a str) -> PR
Ok(BoolExpr::VarParIdentifier(id))
}

impl TryFrom<Expr> for BoolExpr {
type Error = ();

fn try_from(expr: Expr) -> Result<Self, Self::Error> {
match expr {
Expr::VarParIdentifier(id) => Ok(Self::VarParIdentifier(id)),
Expr::Bool(value) => Ok(Self::Bool(value)),
_ => Err(()),
}
}
}

impl From<BoolExpr> for Expr {
fn from(expr: BoolExpr) -> Self {
match expr {
BoolExpr::Bool(value) => Self::Bool(value),
BoolExpr::VarParIdentifier(id) => self::Expr::VarParIdentifier(id),
}
}
}

#[derive(PartialEq, Clone, Debug)]
pub enum IntExpr {
Int(i128),
Expand Down Expand Up @@ -330,6 +351,27 @@ fn ie_var_par_identifier<'a, E: ParserError<&'a str>>(input: &mut &'a str) -> PR
Ok(IntExpr::VarParIdentifier(id))
}

impl TryFrom<Expr> for IntExpr {
type Error = ();

fn try_from(expr: Expr) -> Result<Self, Self::Error> {
match expr {
Expr::VarParIdentifier(id) => Ok(Self::VarParIdentifier(id)),
Expr::Int(value) => Ok(Self::Int(value)),
_ => Err(()),
}
}
}

impl From<IntExpr> for Expr {
fn from(expr: IntExpr) -> Self {
match expr {
IntExpr::Int(value) => Self::Int(value),
IntExpr::VarParIdentifier(id) => self::Expr::VarParIdentifier(id),
}
}
}

#[derive(PartialEq, Clone, Debug)]
pub enum FloatExpr {
Float(f64),
Expand Down Expand Up @@ -358,6 +400,27 @@ fn fe_var_par_identifier<'a, E: ParserError<&'a str>>(
Ok(FloatExpr::VarParIdentifier(id))
}

impl TryFrom<Expr> for FloatExpr {
type Error = ();

fn try_from(expr: Expr) -> Result<Self, Self::Error> {
match expr {
Expr::VarParIdentifier(id) => Ok(Self::VarParIdentifier(id)),
Expr::Float(value) => Ok(Self::Float(value)),
_ => Err(()),
}
}
}

impl From<FloatExpr> for Expr {
fn from(expr: FloatExpr) -> Self {
match expr {
FloatExpr::Float(value) => Self::Float(value),
FloatExpr::VarParIdentifier(id) => self::Expr::VarParIdentifier(id),
}
}
}

#[derive(PartialEq, Clone, Debug)]
pub enum SetExpr {
Set(SetLiteralExpr),
Expand Down Expand Up @@ -386,6 +449,27 @@ fn se_var_par_identifier<'a, E: ParserError<&'a str>>(input: &mut &'a str) -> PR
Ok(SetExpr::VarParIdentifier(id))
}

impl TryFrom<Expr> for SetExpr {
type Error = ();

fn try_from(expr: Expr) -> Result<Self, Self::Error> {
match expr {
Expr::VarParIdentifier(id) => Ok(Self::VarParIdentifier(id)),
Expr::Set(value) => Ok(Self::Set(value)),
_ => Err(()),
}
}
}

impl From<SetExpr> for Expr {
fn from(expr: SetExpr) -> Self {
match expr {
SetExpr::Set(value) => Self::Set(value),
SetExpr::VarParIdentifier(id) => self::Expr::VarParIdentifier(id),
}
}
}

#[derive(PartialEq, Clone, Debug)]
pub enum Expr {
VarParIdentifier(String),
Expand Down Expand Up @@ -683,6 +767,27 @@ pub fn array_of_bool_literal<'a, E: ParserError<&'a str>>(
Ok(al)
}

impl TryFrom<Expr> for ArrayOfBoolExpr {
type Error = ();

fn try_from(expr: Expr) -> Result<Self, Self::Error> {
match expr {
Expr::VarParIdentifier(id) => Ok(Self::VarParIdentifier(id)),
Expr::ArrayOfBool(value) => Ok(Self::Array(value)),
_ => Err(()),
}
}
}

impl From<ArrayOfBoolExpr> for Expr {
fn from(expr: ArrayOfBoolExpr) -> Self {
match expr {
ArrayOfBoolExpr::Array(value) => Self::ArrayOfBool(value),
ArrayOfBoolExpr::VarParIdentifier(id) => self::Expr::VarParIdentifier(id),
}
}
}

#[derive(PartialEq, Clone, Debug)]
pub enum ArrayOfIntExpr {
Array(Vec<IntExpr>),
Expand Down Expand Up @@ -732,6 +837,27 @@ where
Ok(al)
}

impl TryFrom<Expr> for ArrayOfIntExpr {
type Error = ();

fn try_from(expr: Expr) -> Result<Self, Self::Error> {
match expr {
Expr::VarParIdentifier(id) => Ok(Self::VarParIdentifier(id)),
Expr::ArrayOfInt(value) => Ok(Self::Array(value)),
_ => Err(()),
}
}
}

impl From<ArrayOfIntExpr> for Expr {
fn from(expr: ArrayOfIntExpr) -> Self {
match expr {
ArrayOfIntExpr::Array(value) => Self::ArrayOfInt(value),
ArrayOfIntExpr::VarParIdentifier(id) => self::Expr::VarParIdentifier(id),
}
}
}

#[derive(PartialEq, Clone, Debug)]
pub enum ArrayOfFloatExpr {
Array(Vec<FloatExpr>),
Expand Down Expand Up @@ -781,6 +907,27 @@ where
Ok(al)
}

impl TryFrom<Expr> for ArrayOfFloatExpr {
type Error = ();

fn try_from(expr: Expr) -> Result<Self, Self::Error> {
match expr {
Expr::VarParIdentifier(id) => Ok(Self::VarParIdentifier(id)),
Expr::ArrayOfFloat(value) => Ok(Self::Array(value)),
_ => Err(()),
}
}
}

impl From<ArrayOfFloatExpr> for Expr {
fn from(expr: ArrayOfFloatExpr) -> Self {
match expr {
ArrayOfFloatExpr::Array(value) => Self::ArrayOfFloat(value),
ArrayOfFloatExpr::VarParIdentifier(id) => self::Expr::VarParIdentifier(id),
}
}
}

#[derive(PartialEq, Clone, Debug)]
pub enum ArrayOfSetExpr {
Array(Vec<SetExpr>),
Expand Down Expand Up @@ -832,3 +979,24 @@ where
']'.parse_next(input)?;
Ok(al)
}

impl TryFrom<Expr> for ArrayOfSetExpr {
type Error = ();

fn try_from(expr: Expr) -> Result<Self, Self::Error> {
match expr {
Expr::VarParIdentifier(id) => Ok(Self::VarParIdentifier(id)),
Expr::ArrayOfSet(value) => Ok(Self::Array(value)),
_ => Err(()),
}
}
}

impl From<ArrayOfSetExpr> for Expr {
fn from(expr: ArrayOfSetExpr) -> Self {
match expr {
ArrayOfSetExpr::Array(value) => Self::ArrayOfSet(value),
ArrayOfSetExpr::VarParIdentifier(id) => self::Expr::VarParIdentifier(id),
}
}
}